CN114856144B

CN114856144B - Scaffold for building construction and use method

Info

Publication number: CN114856144B
Application number: CN202210541810.2A
Authority: CN
Inventors: 周露露
Original assignee: Beijing Jingneng Construction Group Co ltd
Current assignee: Beijing Jingneng Construction Group Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-03-24
Anticipated expiration: 2042-05-18
Also published as: CN114856144A

Abstract

The invention provides a scaffold for building construction and a using method thereof, wherein the scaffold comprises support plates which are oppositely arranged, the bottom ends of the support plates are fixedly connected with support legs, a supporting part is arranged between the two support plates, the supporting part comprises a telescopic supporting part, two ends of the telescopic supporting part are fixedly connected with the support plates, the top ends of the telescopic supporting parts are detachably connected with a plurality of pedals, and one side of the telescopic supporting part, which is close to any one support plate, is provided with an inlet; a lifting part is arranged below the supporting piece and comprises a plurality of groups of lifting pieces, the lifting pieces are respectively arranged corresponding to the pedal, and the top end of each lifting piece is detachably connected with the pedal through a connecting piece; each group of lifting pieces is correspondingly provided with ladders with different heights. The invention can realize convenient mounting and dismounting of the scaffold, improves the construction efficiency, supports the pedal, and simultaneously sets the ladder stands with different heights, so that constructors do not need to climb along the vertical ladder, and does not need to build another scaffold or place articles with a certain height when needing to adjust the local height, thereby shortening the construction time and improving the construction safety.

Description

Scaffold for building construction and use method

Technical Field

The invention relates to the technical field of building construction, in particular to a scaffold for building construction and a using method thereof.

Background

The scaffold is a temporary building tool which is erected for workers to operate and solve vertical and horizontal transportation on a construction site, is mainly used in an outer wall, interior decoration or a place where the floor height is high and cannot be directly constructed, is used for facilitating the maintenance of a safety net on the upper part and the lower part of a constructor or a peripheral safety net, mounting components at high altitude and the like, is made of bamboo, wood, steel pipes or synthetic materials and the like, is fixed through the scaffold bracket when in use, and can play a role of stable support when in use.

Various scaffolds exist in the prior art, but some problems still exist when in use. Firstly, the existing scaffold is complex to install and disassemble, and the construction time is prolonged. Secondly, when the scaffold frame was used, need constructor to climb up to footboard department along the vertical ladder usually, vertical climbing is comparatively dangerous, therefore remains to be improved. Finally, current scaffold frame installation finishes the back, and its highly difficult fine setting when needs adjust local height, newly builds another scaffold frame on scaffold frame basis usually, or places the article that have a take the altitude as the support, and the setting of above-mentioned two kinds of modes has all led to the scaffold frame to increase weight, and it has the potential safety hazard, therefore awaits a great deal of a scaffold frame to solve above-mentioned problem.

Disclosure of Invention

The embodiment of the invention provides a scaffold for building construction and a using method thereof, which can realize the convenience in mounting and dismounting the scaffold, improve the construction efficiency, support a pedal and simultaneously arrange crawling ladders with different heights, so that constructors do not need to crawl along the vertical ladders, and ensure the safety.

In order to solve the above object, the embodiments of the present invention provide the following technical solutions:

a scaffold for construction, comprising:

the lower end of each support plate is provided with two support legs oppositely;

the supporting part is arranged between the two support plates and comprises a telescopic supporting part, two ends of the supporting part are respectively and fixedly connected with the two support plates, a plurality of pedals are detachably mounted at the top end of the supporting part, and an inlet is formed at a position close to the support plates;

the lifting part comprises a plurality of groups of lifting parts, each group of lifting parts is respectively arranged in a one-to-one correspondence mode with the pedals, each group of lifting parts is provided with a lifting plate, the top end of each lifting part is detachably connected with the pedals, each group of lifting parts is provided with a ladder plate, and the ladder plates form a ladder stand.

Preferably, the support member includes long members and short members arranged at intervals, the short members are located on the inner side of the long members, one end of each short member is fixedly connected with one end of the adjacent long member, the other end of each short member is slidably adjusted relative to the other adjacent long member, the long members on the two outermost sides are fixedly connected with the two support plates respectively, and the inlet is formed in the long member on any outermost side.

Preferably, the long piece comprises two long plates which are arranged oppositely, the short piece comprises two short plates which are arranged oppositely, the two short plates are positioned between the two long plates, one end of each short plate is fixedly connected with one adjacent long plate through a fixing bolt, the other end of each short plate is detachably connected with the other adjacent long plate through an adjusting bolt, the long plate on the outermost side is fixedly connected with the support plate, the pedal plates are respectively positioned between the two long plates and between the two short plates, and the pedal plate is not arranged between the two long plates on any outermost side to form the inlet;

the inner walls of the long plate and the short plate are fixedly connected with supporting plates, a pedal is positioned above the supporting plates, and the bottom end of the pedal is in contact with the top end of the supporting plates.

Preferably, the lift portion sets up the support piece below, the lift piece includes the bracing piece of two relative settings, be provided with the lifter in the bracing piece, the bracing piece with the connection can be dismantled to the lifter, the lifter top is passed the pedal and with the pedal is connected.

Preferably, the bracing piece top is through supporting shoe fixedly connected with cardboard, lifter outer wall circumference is provided with a plurality of regulating plates, the regulating plate with lifter outer wall fixed connection, the regulating plate is located in the bracing piece, just the lifter passes through the regulating plate with bracing piece sliding connection, a plurality of openings have been seted up in proper order from top to bottom to the regulating plate, the cardboard is located in the opening, just the cardboard with opening looks adaptation, the lifter passes through the opening with the cardboard with the bracing piece is fixed.

Preferably, the connecting piece comprises a connecting strip arranged at the top end of the pedal, the top end of the connecting strip is in threaded connection with a locking bolt and a locking bolt, the connecting strip is fixedly connected with the top end of the lifting rod through the locking bolt, and the connecting strip is fixedly connected with the top end of the pedal through the locking bolt.

Preferably, the top ends of the supporting rods are different in height, a crawling ladder is fixed at the joint of the supporting rods and the lifting rod, and the height from the crawling ladder far away from the inlet to the height from the crawling ladder close to the inlet is sequentially increased.

Preferably, two X-shaped reinforcing plates are arranged between the two support plates, and two ends of each X-shaped reinforcing plate are detachably connected with the support legs below the two support plates respectively.

Preferably, protection plates are arranged on two sides of the ladder plate; the top end of the support plate is provided with a protection plate, and the pedal is positioned in the protection plate.

A method of using a scaffold for construction, the method using the scaffold for construction, the method comprising the steps of:

the support legs are unfolded, and after the long plate and the short plate are located at stretching positions, the long plate and the short plate are fixed through adjusting bolts;

fixing the supporting piece and the crawling ladder at different positions to enable the supporting piece and the pedal to be in one-to-one correspondence, putting the pedal into the supporting piece, installing the pedal at the top of the lifting rod, and sequentially lifting the installed crawling ladder to the height of the inlet;

when the height of the pedal is required to be adjusted, the height of the top end of the lifting rod is adjusted, the lifting rod is locked after the height of the lifting rod is adjusted to a proper height, and the pedal is arranged at the top end of the lifting rod;

when the scaffold is dismantled, the pedal and the lifting rod are firstly dismantled, the ladder stand and the supporting rod which are dismantled are collected and sorted, the two ends of the supporting legs are pushed to move towards the approaching direction, and the short plate moves into the other long plate.

Compared with the prior art, the technical scheme at least has the following beneficial effects:

according to the scheme, the pedal and the lifting piece of the scaffold for building construction are detachable parts, the supporting plate and the supporting legs can move, and the supporting piece can stretch out and draw back, so that the design reduces the occupied area and facilitates transportation;

because the plurality of lifting pieces are arranged in parallel, the ladder stands with different heights are respectively fixed on the plurality of lifting pieces and are matched, so that constructors do not need to lift to the top of the pedal by using the vertical ladder and can support by contacting the lifting pieces when the constructors climb, the design ensures that the constructors are safer when climbing, and the physical strength is saved;

according to the using method of the scaffold for building construction, the lifting piece is arranged below the pedal, the lifting piece supports the pedal, when the local height of the pedal is required to be adjusted, the corresponding lifting piece can be adjusted, a new scaffold does not need to be additionally installed on the pedal, and a padding object does not need to be placed, so that the supporting effect of the pedal is improved, safety is guaranteed, and meanwhile, the height of the lifting piece is simply adjusted, and the practicability is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a perspective view illustrating an operating state of a scaffold of the scaffold for construction of buildings according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a perspective view of the scaffold for construction according to the present invention in a state in which a tread plate portion is raised;

fig. 5 is an exploded view of the scaffolding for construction according to the present invention when disassembled;

fig. 6 is a perspective view showing a scaffold for construction of a building according to the present invention in a state where two legs are not close to each other;

FIG. 7 is a perspective view showing a state in which two legs of the scaffold for construction according to the present invention are close to each other;

fig. 8 is a perspective view of the scaffolding for construction of the present invention according to embodiment 3;

fig. 9 is a work flow chart of a method for using the scaffold for building construction according to the present invention.

Wherein the reference numerals are as follows:

1. support plate, 2, support leg, 3, pedal, 4, inlet, 5, ladder stand, 6, long plate, 7, short plate, 8, fixing bolt, 9, adjusting bolt, 10, supporting plate, 11, supporting rod, 12, lifting rod, 13, supporting block, 14, clamping plate, 15, adjusting plate, 16, opening, 17, connecting strip, 18, locking bolt, 19, locking bolt, 20, X-shaped reinforcing plate, 21, protective plate, 22 and protective plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

It should be noted that "up", "down", "left", "right", "front", "back", and the like used in the present invention are only used to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationship may be changed accordingly.

The invention provides a scaffold for building construction and a using method thereof, aiming at the problems that the scaffold in the market is complex to disassemble, the use safety coefficient is lower, the height is not easy to adjust, and the like.

Example 1

As shown in fig. 1 to 8, an embodiment of the present invention provides a scaffold for building construction, including two oppositely disposed support plates 1, two support legs 2 are oppositely disposed at a lower end of each support plate 1, a support portion is installed between the two support plates 1, the support portion includes a telescopic support member, two ends of the support member are respectively fixedly connected with the support plates 1, a plurality of pedals 3 are detachably installed at a top end of the support member, and an inlet 4 is opened near any one of the support plates 1; a lifting part is arranged below the supporting piece, the lifting part comprises a plurality of groups of lifting pieces, the lifting pieces are arranged in one-to-one correspondence with the positions of the pedal 3, and the top end of each group of lifting pieces is detachably connected with the pedal 3 through a connecting piece; each group of lifting piece is provided with a step plate, the step plates with different heights form a ladder stand 5, and personnel can be positioned on the top end of the pedal 3 through the ladder stand 5 and the inlet 4.

As shown in fig. 1 to 5, the supporting member includes long members and short members arranged at intervals, the short members are located in the long members, one end of each short member is fixedly connected with one end of an adjacent long member, the other end of each short member is slidably connected with another adjacent long member, the two outermost long members are respectively and fixedly connected with the supporting plates 1 at the two ends, and the inlet 4 is arranged on any one of the outermost long members; the long piece is positioned outside the short piece and can support the short piece, and the two support plates 1 can move close to or away from each other through the movement of the plurality of short pieces.

The long part includes two relative long boards 6 that set up, the short part includes two relative short boards 7 that set up, two short boards 7 are located between two long boards 6, short board 7 one end and an adjacent long board 6 pass through fixing bolt 8 fixed connection, the other end can be dismantled through adjusting bolt 9 with another adjacent long board 6 and be connected, long board 6 in the outside and extension board 1 fixed connection, step board 3 is located respectively between two long boards 6 and between two short boards 7, do not set up step board 3 in order to form import 4 between two long boards 6 in arbitrary outside, constructor is climbed by 5 cat ladders of step board 3 below in proper order, finally get into step board 3 top by import 4. When scaffold frame normal use, through adjusting bolt 9 fixed short slab 7 and long slab 6, the both ends of short slab 7 all are fixed with long slab 6 this moment, and short slab 7 supports pedal 3 with the cooperation of long slab 6, improves its fastness.

The pedal 3 has two specifications, one is matched with the two long plates 6, and the other is matched with the two short plates 7. The inner walls of the long plate 6 and the short plate 7 are fixedly connected with a supporting plate 10, the pedal 3 is positioned above the supporting plate 10, and the bottom end of the pedal 3 is contacted with the top end of the supporting plate 10. The existence of layer board 10 for long board 6 and short board 7 support step board 3, and when step board 3 was in initial height, step board 3 was located between two long boards 6 or two short boards 7, carried on spacingly through two long boards 6 or two short boards 7 to step board 3, made its difficult rotation, thereby improved its fastness.

The lifting piece comprises two oppositely arranged supporting rods 11, a lifting rod 12 is arranged in each supporting rod 11, each supporting rod 11 is detachably connected with the corresponding lifting rod 12, the top end of each lifting rod 12 penetrates through the corresponding pedal 3, and the top end of each lifting rod 12 is detachably connected with the corresponding pedal 3 through a connecting piece. The setting of a plurality of bracing pieces 11 has not only played the effect highly adjusting pedal 3, and a plurality of bracing pieces 11 support pedal 3 with the 2 cooperations of landing leg simultaneously to the bulk strength of scaffold has been improved. In addition, when a constructor climbs, the constructor can hold the lifting rod 12, and the lifting rod 12 supports the constructor, so that the construction safety is further improved.

Supporting rod 11 top is through supporting shoe 13 fixedly connected with cardboard 14, lifter 12 outer wall circumference is provided with a plurality of regulating plates 15, regulating plate 15 and lifter 12 outer wall fixed connection, regulating plate 15 is located supporting rod 11, and lifter 12 is through regulating plate 15 and supporting rod 11 sliding connection, a plurality of openings 16 have been seted up in proper order from top to bottom to regulating plate 15, cardboard 14 is located opening 16, and cardboard 14 and opening 16 looks adaptation, lifter 12 is fixed with supporting rod 11 through opening 16 and cardboard 14. The clamping plates 14 and the adjusting plates 15 are four in the four directions of the south, the east and the north of the lifting rod 12, so that the lifting rod 12 can be conveniently adjusted in height and fixed on the lifting rod 12.

The connecting piece is including setting up the connecting strip 17 at step 3 top, and connecting strip 17 top threaded connection has locking bolt 18 and locking bolt 19, and connecting strip 17 passes through locking bolt 18 and lifter 12 top fixed connection, and connecting strip 17 passes through locking bolt 19 and step 3 top fixed connection. Set up on pedal 3 with lifter 12 assorted through-hole, lifter 12 stretches out pedal 3 top through the through-hole, through 18 fixed connection strip 17 of locking bolt and lifter 12 afterwards, fixed back that finishes, rethread locking bolt 19 fixed connection strip 17 and pedal 3 to realize pedal 3 and lifter 12's fixed connection, it is all comparatively convenient that its installation is dismantled.

The top height difference of bracing piece 11, the handing-over department of 5 fixed support poles 13 of cat ladder and lifter 12, cat ladder 5 keep away from import 4 and rise in proper order to the height that cat ladder 5 is close to import 4, and the effect of adjusting the height of step board 3 has not only been played in the existence of bracing piece 11, can be at the not co-altitude fixed cat ladder 5 of bracing piece 11 simultaneously to make constructor need not climb the vertical ladder.

The heights of the ladder stands 5 close to the inlet 4 can be the same, so that on one hand, constructors can conveniently enter the inlet 4, and on the other hand, the comfort of the constructors is improved, and the climbing difficulty caused by the small distance between the ladder stands 5 and the pedal 3 can be avoided.

Example 2

As shown in fig. 1 to 7, two X-shaped reinforcing plates 20 are disposed between the two support plates 1, and two ends of the X-shaped reinforcing plates 20 are detachably connected to the support legs 2 below the two support plates 1. When the scaffold is used, the X-shaped reinforcing plate 20 may be fixed between the two legs 2, thereby improving a supporting effect of the step plate 3.

Example 3

As shown in fig. 8, the both sides of step are provided with protection shield 21, and protection shield 22 is installed on extension board 1 top, and step on board 3 is located protection shield 22, through setting up protection shield 21, improves the security when constructor climbs, through setting up protection shield 22, improves the security in the constructor work progress.

As shown in fig. 9, an embodiment of the present invention provides a method for using a scaffold for building construction, including the following steps:

firstly, the supporting legs 1 are unfolded, the long plate 6 and the short plate 7 are placed in a stretching position, and then the long plate 6 and the short plate 7 are fixed through adjusting bolts 9.

And secondly, fixing the support piece and the ladder stand 5 at different positions, enabling the support piece and the pedal 3 to be in one-to-one correspondence, putting the pedal 3 into the support piece, rotating the lifting rod 12, lifting the lifting rod 12 to a preset height, installing the pedal 3 at the top of the lifting rod 12 through a connecting strip 17, and sequentially lifting the installed ladder stand 5 towards the direction of an inlet 4.

Thirdly, when the height of the pedal 3 needs to be adjusted, a constructor moves to the position of the lifting piece corresponding to the pedal 3 to be lifted through the ladder 5, removes the connection between the lifting rod 12 and the support rod 11 and takes down the pedal 3, then rotates the lifting rod 12 to enable the clamping plate 14 to leave the opening 16, moves the lifting rod 12 upwards, adjusts the height of the top end of the lifting rod 12, rotates the lifting rod 12 again to enable the clamping plate 14 to be located in the other opening 16 after the height is adjusted to be proper, locks the lifting rod 12, and installs the pedal 3 at the top end of the lifting rod 12.

And fourthly, when the scaffold is dismantled, firstly dismantling the pedal 3 and the adjusting bolt 9, then rotating the lifting rod 12 to enable the clamping plate 14 to leave the notch 16, enabling the lifting rod 12 to shrink under the action of gravity and fall back into the supporting rod 11, then collecting and arranging the dismantled crawling ladder 5 and the supporting rod 11, pushing the supporting legs 2 at two ends to move towards the approaching direction to drive the support plate 1 to move, and driving the long plate 6 at the outermost side and the short plate 7 fixed with the long plate 6 at the outermost side to move by the support plate 1 so as to enable the short plate 7 to move into the other long plate 6.

The invention has the technical effects that the scaffold is convenient to mount and dismount, so that the construction efficiency is improved, the ladder stands with different heights are arranged while the pedal is supported, so that constructors do not need to climb along the vertical ladder, and in addition, when the local height needs to be adjusted, another scaffold does not need to be built or articles with a certain height are not needed to be placed, so that the construction time is shortened on one hand, and the construction safety is improved on the other hand.

As shown in fig. 9, the scaffold for construction according to the present invention is operated as follows:

example 1:

s1, expanding the supporting legs 2, and fixing the long plate 6 and the short plate 7 through adjusting bolts 9 after the long plate 6 and the short plate 7 are located at stretching positions.

S2, fixing the support piece and the ladder stand 5 at different positions, enabling the support piece and the pedal 3 to be in one-to-one correspondence, placing the pedal 3 into the support piece, rotating the lifting rod 12, lifting the lifting rod 12 to a preset height, installing the pedal 3 at the top of the lifting rod 12 through a connecting strip 17, and sequentially lifting the installed ladder stand 5 towards the direction of an inlet 4.

S3, when the height of the pedal 3 needs to be adjusted, a constructor moves to the position of the lifting piece 12 corresponding to the pedal 3 to be lifted through the ladder 5, removes the connection between the lifting rod 12 and the support rod 11, takes off the pedal 3, then rotates the lifting rod 12 to enable the clamping plate 14 to leave the notch 16, moves the lifting rod 12 upwards, adjusts the height of the top end of the lifting rod 12, rotates the lifting rod 12 again to enable the clamping plate 14 to be located in the other notch 16 after the lifting rod is adjusted to be at a proper height, locks the lifting rod 12, and installs the pedal 3 at the top end of the lifting rod 12.

S4, when the scaffold is dismantled, firstly the pedal 3 is dismantled and the adjusting bolt 9 is dismantled, then the lifting rod 12 is rotated to enable the clamping plate 14 to leave the notch 16, the lifting rod 12 contracts under the action of gravity and falls back into the supporting rod 11, then the dismantled ladder stand 5 and the dismantled supporting rod 11 are collected and sorted, the supporting legs 2 at two ends are pushed to move towards the approaching direction to drive the supporting plate 1 to move, the supporting plate 1 drives the long plate 6 at the outermost side and the short plate 7 fixed with the long plate 6 at the outermost side to move, and the short plate 7 moves into the other long plate 6.

Example 2 and example 3

S3, when the height of the pedal 3 needs to be adjusted, a constructor moves to the position of the lifting piece corresponding to the pedal 3 to be lifted through the ladder 5, the connection between the lifting rod 12 and the supporting rod 11 is released, the pedal 3 is taken down, then the lifting rod 12 is rotated to enable the clamping plate 14 to be separated from the opening 16, the lifting rod 12 is moved upwards, the top end height of the lifting rod 12 is adjusted, after the lifting rod is adjusted to be at a proper height, the lifting rod is rotated again to enable the clamping plate 14 to be located in the other opening 16, then the lifting rod 12 is locked, and the pedal 3 is installed at the top end of the lifting rod 12.

S4, when the scaffold is dismantled, firstly dismantling the X-shaped reinforcing plate 20, the protective plate 21 and the protective plate 22, then dismantling the pedal 3 and dismantling the adjusting bolt 9, then rotating the lifting rod 12 to enable the clamping plate 14 to leave the notch 16, enabling the lifting rod 12 to shrink under the action of gravity and fall back into the supporting rod 11, then collecting, arranging and dismantling the dismantled ladder stand 5 and the supporting rod 11, pushing the supporting legs 2 at two ends to move towards the approaching direction, driving the supporting plate 1 to move, and driving the outermost long plate 6 and the short plate 7 fixed with the outermost long plate 6 to move by the supporting plate 1, so that the short plate 7 moves into the other long plate 6.

The following points need to be explained:

(1) The drawings of the embodiments of the invention only relate to the structures related to the embodiments of the invention, and other structures can refer to the common design.

(2) The thickness of layers or regions in the figures used to describe embodiments of the invention may be exaggerated or reduced for clarity, i.e., the figures are not drawn on a true scale. It will be understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.

(3) Without conflict, embodiments of the present invention and features of the embodiments may be combined with each other to arrive at new embodiments.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention is subject to the scope of the claims.

Claims

1. A scaffold for building construction, comprising:

the lifting part comprises a plurality of groups of lifting pieces, each group of lifting pieces is respectively arranged in one-to-one correspondence with the pedal, the top end of each group of lifting pieces is detachably connected with the pedal, each group of lifting pieces is provided with a step board, and the step boards form a ladder;

the lifting part is arranged below the supporting piece, the lifting piece comprises two supporting rods which are arranged oppositely, a lifting rod is arranged in each supporting rod, the supporting rods are detachably connected with the lifting rods, and the top ends of the lifting rods penetrate through the pedal and are connected with the pedal.

2. A scaffold for building construction according to claim 1, wherein the support member comprises a long member and a short member arranged at intervals, the short member is located inside the long member, one end of the short member is fixedly connected with one end of the long member adjacent to the short member, the other end of the short member is slidably adjustable with respect to the other adjacent long member, the two outermost long members are fixedly connected with the two support plates, respectively, and the inlet is arranged on any outermost long member.

3. A scaffold for building construction according to claim 2, wherein the long member comprises two long plates arranged oppositely, the short member comprises two short plates arranged oppositely, the two short plates are arranged between the two long plates, one end of each short plate is fixedly connected with one adjacent long plate through a fixing bolt, the other end of each short plate is detachably connected with the other adjacent long plate through an adjusting bolt, the long plate on the outermost side is fixedly connected with the extension plate, the treading plates are respectively arranged between the two long plates and between the two short plates, and the treading plate is not arranged between the two long plates on any outermost side to form the inlet;

4. The scaffold for building construction according to claim 1, wherein a clamping plate is fixedly connected to the top end of the support rod through a support block, a plurality of adjusting plates are circumferentially arranged on the outer wall of the lifting rod, the adjusting plates are fixedly connected with the outer wall of the lifting rod, the adjusting plates are located in the support rod, the lifting rod is slidably connected with the support rod through the adjusting plates, the adjusting plates are sequentially provided with a plurality of openings from top to bottom, the clamping plate is located in the openings, the clamping plate is matched with the openings, and the lifting rod is fixed with the support rod through the openings and the clamping plate.

5. The scaffold for building construction according to claim 1, wherein each group of the top ends of the lifting members is detachably connected with the pedal through a connecting member, the connecting member comprises a connecting strip arranged at the top end of the pedal, the top end of the connecting strip is in threaded connection with a locking bolt and a locking bolt, the connecting strip is fixedly connected with the top end of the lifting rod through the locking bolt, and the connecting strip is fixedly connected with the top end of the pedal through the locking bolt.

6. A scaffold for building construction according to claim 4 wherein the support bars have different heights at their top ends, a ladder is fixed at the junction of the support bars and the lifting bar, and the height of the ladder from the entrance to the entrance is gradually increased.

7. The scaffold for building construction according to claim 1, wherein two X-shaped reinforcing plates are arranged between the two support plates, and two ends of the X-shaped reinforcing plates are detachably connected with the support legs below the two support plates respectively.

8. The scaffold for construction according to claim 1, wherein protection plates are provided at both sides of the step plate; the top end of the support plate is provided with a protection plate, and the pedal is positioned in the protection plate.

9. A method for using a scaffold for construction, which is characterized by using the scaffold for construction according to claim 3, comprising the steps of: