CN114382275A

CN114382275A - Movable bridge-spanning type scaffold and construction method

Info

Publication number: CN114382275A
Application number: CN202210090164.2A
Authority: CN
Inventors: 张振华; 于涛
Original assignee: Beijing Yisheng Tongda Engineering Technology Co ltd
Current assignee: Beijing Yisheng Tongda Engineering Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-04-22

Abstract

The invention relates to a movable bridge-spanning type scaffold and a building method thereof. The movable bridge-spanning scaffold comprises a first support, a second support and an operation truss, wherein two ends of the operation truss are respectively overlapped on the first support and the second support, so that a bridge-spanning platform is formed. The movable cross-bridge scaffold has the advantages of flexible assembly, convenient movement, easy assembly and disassembly, safe and reliable construction and excellent use effect. The movable bridge-spanning scaffold overcomes the defects of incomplete internal decoration, cleaning and maintenance construction in the prior art, can normally operate a construction site in a construction period, protects the integrity and the attractiveness of a wall body, reduces construction damage, and has low construction cost and strong practicability. The movable bridge-spanning scaffold can be suitable for operation of the upper end part of a suspended area between floors, and is particularly suitable for a construction environment in a limited space at the upper end.

Description

Movable bridge-spanning type scaffold and construction method

Technical Field

The invention relates to the technical field of scaffolds, in particular to a mobile bridge-spanning scaffold and a construction method thereof.

Background

At present, the operation supporting systems for the construction, maintenance or cleaning of buildings such as office buildings, railway stations, commercial complexes and the like are lifting platforms and spider machines. The lifting platform needs to be installed above the working surface, and due to the spatial relationship, the lifting platform cannot be adopted for construction; the spider machine is suitable for the operation of a high building lobby part and a part with a large open space, but is narrow in operation surface and not suitable for the operation of the upper end part of a suspended area between floors. The phenomenon that the operation surface and the supporting position are staggered or the lower end of the operation surface has no supporting surface exists at the upper end part of the suspended area between floors, so that the lifting platform and the spider machine cannot be used for operation. The scaffold must be erected at the moment to enable the constructors to reach the working face. The existing scaffold must be connected with a wall body in a pulling mode so as to keep the stability of the scaffold, the scaffold is inconvenient to move, the construction speed is low, the scaffold cannot be moved randomly, the scaffold is built and dismantled, time, labor and materials are wasted, and normal operation is affected. The scaffold is not suitable for cleaning buildings at ordinary times, which brings great inconvenience to the cleaning of the buildings, and especially the above parts cannot be cleaned thoroughly.

To this end, we propose a mobile bridge-spanning scaffold to solve the above problems.

Disclosure of Invention

The invention aims to overcome at least one defect in the prior art and provides a mobile bridge-spanning scaffold and a construction method thereof. The movable cross-bridge scaffold has the advantages of flexible assembly, convenient movement, easy assembly and disassembly, safe and reliable construction and excellent use effect.

In order to realize the technical scheme, the invention adopts the following technical scheme:

according to one aspect of the invention, a movable straddle type scaffold is provided, which comprises a first support, a second support and an operation truss, wherein two ends of the operation truss are respectively overlapped on the first support and the second support to form a straddle type platform.

According to one embodiment of the invention, a plurality of bridge-spanning platforms are connected into a bridge-spanning large flat layer structure.

According to one embodiment of the invention, the working truss is provided with pedals, two sides of the working truss are provided with guardrails, and the bottoms of the first support and the second support are provided with casters.

According to an embodiment of the present invention, the number of the working trusses on the bridge-spanning platform may be determined according to actual needs. In a common scheme, the number of the operation trusses is one or two.

According to one embodiment of the invention, the top parts of the first support and the second support are respectively provided with a supporting cross beam, and the supporting cross beams are fixedly connected with the operation truss through quick-rotation fasteners.

According to an embodiment of the invention, the supporting beam is arranged horizontally.

According to an embodiment of the invention, reinforcing support rods are arranged at the tops of the first support and the second support, and the reinforcing support rods are fixedly connected with the operation truss through quick-turning fasteners.

According to an embodiment of the present invention, the reinforcing support bar is disposed obliquely.

According to an embodiment of the present invention, the caster is a caster having a braking function.

According to one embodiment of the invention, the guardrail is fixedly connected with the operation truss through a connecting piece, and the connecting piece is respectively and fixedly connected with the guardrail and the operation truss through a quick-rotating fastener.

According to an embodiment of the invention, the height of the first bracket is greater than or equal to the height of the second bracket;

when the height of the first support is equal to that of the second support, the operation truss is horizontally arranged, and the movable bridge-spanning scaffold is suitable for construction operation on a plane part in a building;

when the height of the first support is larger than that of the second support, the operation truss is arranged in an inclined mode, and the movable bridge-spanning type scaffold is suitable for construction operation on the inner inclined plane of the building.

According to an embodiment of the present invention, the first support comprises a plurality of support units, and adjacent support units are connected by a support beam; the bracket unit comprises two groups of upright posts and transverse supports, and the transverse supports are connected with the upright posts through quick-turning fasteners; the supporting beam comprises a supporting cross beam and a supporting oblique beam, the supporting cross beam is connected with the upright post through a quick rotation fastener, and the supporting oblique beam is connected with the transverse support through a quick rotation fastener; the supporting vertical beams are arranged between the two groups of supporting cross beams to form an I-shaped beam structure, and the two sides of the supporting vertical beams are provided with reinforcing oblique beams which are fixedly connected with the two groups of supporting cross beams respectively.

According to an embodiment of the invention, the first and second brackets are identical in structure.

According to one embodiment of the invention, the operation truss comprises four groups of pipe bodies, and the left ends and the right ends of the four groups of pipe bodies along the length direction are sequentially connected end to end through connecting pipes to form the combined splicing frame. The front end face, the rear end face and the lower end face of the combined splicing frame in the width direction are welded through connecting pipe fittings, and inclined pipe fittings are welded between the adjacent connecting pipe fittings.

According to an embodiment of the present invention, the mobile bridge-spanning scaffold further comprises a protective inflatable cushion, which is arranged at the lower side of the working truss and between the first support and the second support.

According to an embodiment of the present invention, the operation truss is provided with a winch, a fixed pulley and a hanging basket rope, one end of the hanging basket rope is wound on the winch, and the other end of the hanging basket rope is connected with the hanging basket through the fixed pulley.

According to an embodiment of the present invention, the winch and the fixed pulley are disposed on the working truss, and the winch further includes a descent control device disposed on the working truss and located below the fixed pulley.

According to an embodiment of the present invention, the winch is an electric winch, and the winding direction of the basket rope on the electric winch is controlled by a remote controller, so as to realize the lifting of the basket.

According to another aspect of the invention, the building method of the mobile bridge-spanning scaffold is improved, and the method at least comprises the following steps:

respectively placing a first bracket and a second bracket on floors on two sides of a suspended area between floors;

the operation truss strides over the inter-floor suspended area, and both sides of the lower end of the operation truss are respectively fixedly connected with the first support and the second support;

the operation truss is provided with the pedals, and the two sides of the operation truss are provided with the guardrails, so that the construction of the movable cross-bridge type scaffold is completed. The constructor arrives at the working face on the working truss for construction.

According to the technical scheme, the invention has at least one of the following advantages and positive effects:

the movable cross-bridge scaffold has the advantages of flexible assembly, convenient movement, easy assembly and disassembly, safe and reliable construction and excellent use effect.

The movable bridge-spanning scaffold overcomes the defects of incomplete internal decoration, cleaning and maintenance construction in the prior art, can normally operate a construction site in a construction period, protects the integrity and the attractiveness of a wall body, reduces construction damage, and has low construction cost and strong practicability.

The movable bridge-spanning scaffold can be suitable for operation of the upper end part of a suspended area between floors, and is particularly suitable for a construction environment in a limited space at the upper end.

The movable bridge-spanning scaffold can realize the lifting operation of a hanging basket, and can be widely applied to various commercial complexes, and the decoration, maintenance and cleaning construction of multi-shape inner walls of closed cylindrical and square cylinders and the like in buildings.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the mobile straddle scaffold of the present invention;

fig. 2 is a schematic structural view of another embodiment of the mobile straddle scaffold of the present invention;

FIG. 3 is a schematic view of the protective inflatable cushion of the present invention;

fig. 4 is a schematic structural view of a mobile straddle scaffold according to still another embodiment of the present invention;

FIG. 5 is a schematic view showing the connection relationship between the winch, the fixed pulley, the descent control device and the cradle according to the present invention.

The reference numerals are explained below:

1-a first bracket,

11-a bracket unit,

111-upright post,

112-transverse support,

12-a support beam,

121-supporting cross beam,

122-supporting oblique beams,

123-supporting vertical beams,

124-reinforced oblique beam,

2-a second bracket,

3-operation truss,

31-a tube body,

32-connecting pipe fittings,

33-inclined pipe fittings,

4-a pedal,

5-guard bar,

51-connecting piece,

6-caster,

7-supporting cross beam,

8-reinforcing support rods,

9-protective inflatable cushion,

100-a winch,

200-fixed pulley,

300-hanging basket rope,

400-hanging basket,

500-descent control device.

Detailed Description

In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience in describing and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to the attached

drawings

1 and 2, the movable cross-bridge scaffold provided by the invention comprises a first support 1, a second support 2 and an operation truss 3, wherein two ends of the operation truss 3 are respectively overlapped on the first support 1 and the second support 2 to form a cross-bridge platform. Fig. 1 shows a group of bridge-spanning platforms, and a plurality of groups of bridge-spanning platforms are connected to form a bridge-spanning large flat-bed structure, so that the construction working surface on the large flat-bed structure is larger.

According to an embodiment of the present invention, pedals 4 are mounted on the working truss 3, guardrails 5 are arranged on both sides of the working truss, and casters 6 are arranged at the bottoms of the first support 1 and the second support 2. The number of the working trusses 3 on the bridge-spanning platform can be determined according to actual needs. In a common scheme, the number of the operation trusses is one or two. In fig. 1, the working girders 3 are two groups, and in fig. 2, the working girders 3 are one group.

The top of first support 1, second support 2 all is equipped with supporting beam 7, supporting beam 7 is through quick gyration fastener and operation truss 3 fixed connection. In this embodiment, the supporting beam 7 is horizontally disposed. The top of first support 1, second support 2 all is equipped with strengthening support bar 8, strengthening support bar 8 is through quick gyration fastener and 3 fixed connection of operation truss, strengthening support bar 8 slope sets up.

In this embodiment, the caster 6 is a universal wheel having a braking function, and is a conventional art. Guardrail 5 passes through connecting piece 51 fixed connection and on the operation truss 3, connecting piece 51 adopts quick gyration fastener respectively with guardrail 5, operation truss 3 fixed connection.

In this embodiment, the height of the first support 1 is equal to the height of the second support 2, the working truss 3 is horizontally arranged, and the mobile bridge-spanning scaffold is suitable for construction work on a plane part in a building; in another embodiment, when the height of the first support 1 is greater than that of the second support 2, the working truss 3 is disposed in an inclined manner, and the movable bridge-spanning scaffold is suitable for construction work at a slope portion in a building. By adopting the design, the application occasions of the movable cross-bridge scaffold are improved, and the practicability is high.

Specifically, the first support 1 comprises a plurality of support units 11, and adjacent support units 11 are connected through a support beam 12; the bracket unit 11 comprises two groups of upright posts 111 and transverse supports 112, and the transverse supports 112 are connected with the upright posts 111 through quick-turning fasteners; the supporting beam 12 comprises a supporting beam 121 and a supporting oblique beam 122, the supporting beam 121 is connected with the upright post 11 through a quick-turning fastener, and the supporting oblique beam 122 is connected with the transverse support 112 through a quick-turning fastener; and a supporting vertical beam 123 is arranged between the two groups of supporting cross beams 121 to form an I-beam structure. In addition, reinforcing oblique beams 124 are arranged on two sides of the supporting vertical beams 123, and the reinforcing oblique beams 124 are respectively and fixedly connected with the two groups of supporting cross beams 121. The reinforcing oblique beam 124 may be provided as required. The first bracket 1 and the second bracket 2 have the same structure. The operation truss 3 comprises four groups of pipe bodies 31, and the left ends and the right ends of the four groups of pipe bodies 31 in the length direction are sequentially connected end to end through connecting pipes 32 to form a combined splicing frame. The front end face, the rear end face and the lower end face of the combined splicing frame in the width direction are welded through connecting pipe fittings 32, and inclined pipe fittings 33 are welded between the adjacent connecting pipe fittings 32.

In the present embodiment, in fig. 1 and 2, the installation manner of the step 4 is different, and in fig. 1, the step 4 is laid between the two sets of working trusses 3. Specifically, be provided with the footboard crossbeam between adjacent operation truss 3, the both ends of footboard crossbeam all are through quick gyration fastener and operation truss 3 fixed connection, then footboard 4 is laid on the footboard crossbeam, and the distance of adjacent footboard crossbeam is less than the width of footboard 4. In fig. 2, a pedal 4 is provided in a combined splicing frame of an operation truss 3, and the upper end surface of the combined splicing frame is an opening to form a walking channel for constructors. The movable bridge-spanning scaffold shown in fig. 2 is particularly suitable for narrow-passage or single-passage platforms and is suitable for construction environments in limited space at the upper end. Further, in the solution of fig. 2, the width of the tread 4 is 50 cm-80 cm.

As shown in fig. 3, the movable bridge-spanning scaffold further comprises a protective inflatable cushion 9, wherein the protective inflatable cushion 9 is arranged on the lower side of the operation truss 3, so that damage caused by accidental falling can be effectively reduced, personal safety of construction personnel is protected, and safety performance of products is improved. The protective inflatable cushion 9 can adopt an inflatable cushion for fire rescue, and belongs to the prior art.

When the device is used, the first support 1 and the second support 2 are respectively placed on floors on two sides of an inter-floor suspended area, the operation truss 3 spans the inter-floor suspended area, and two sides of the lower end of the operation truss are respectively fixedly connected with the first support 1 and the second support 2; meanwhile, pedals 4 are arranged on the operation truss 3, and guardrails 5 are arranged on two sides of the operation truss 3. The constructor reaches the working face on the working truss 3 to construct.

In another embodiment of the present invention, as shown in fig. 4 and 5, a winch 100, a fixed pulley 200 and a basket rope 300 are provided on the working truss 3, one end of the basket rope 300 is wound on the winch 100, and the other end is connected to a basket 400 by being wound on the fixed pulley 200. Further, the winch 100 is an electric winch, and the winding direction of the basket rope 300 on the electric winch is controlled by a remote controller, so that the lifting of the basket 400 is realized. The winch 100 and the fixed pulley 200 are arranged on the working truss 3, and the winch further comprises a descent control device 500, wherein the descent control device 500 is arranged on the working truss 3 and is positioned below the fixed pulley 200. The fixed pulley 200 is welded on the operation truss 3 through a pulley bracket, and the descent control device 500 and the winch 100 are fixed on the operation truss 3 through a quick rotation fastener. The descent control device 500 is an existing device, can ensure that the hanging basket 400 safely ascends and descends, and has the characteristics of simple installation, convenient use, safety and reliability. The movable bridge-spanning scaffold can realize the lifting operation of a hanging basket, and can be widely applied to various commercial complexes, and the decoration, maintenance and cleaning construction of multi-shape inner walls of closed cylindrical and square cylinders and the like in buildings.

In conclusion, the movable cross-bridge scaffold has the advantages of flexible assembly, convenience in movement, easiness in mounting and dismounting, safety and reliability in construction and excellent using effect. The movable bridge-spanning scaffold can be suitable for operation of the upper end part of a suspended area between floors, and is particularly suitable for a construction environment in a limited space at the upper end.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth herein. The invention is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined herein extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. The embodiments described herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Claims

1. The movable cross-bridge scaffold is characterized by comprising a first support, a second support and an operation truss, wherein two ends of the operation truss are respectively erected on the first support and the second support, so that a cross-bridge platform is formed.

2. The mobile bridge-spanning scaffold according to claim 1, wherein a plurality of bridge-spanning platforms are connected to form a bridge-spanning large flat layer structure.

3. The mobile bridge-spanning scaffold according to claim 1, wherein the working truss is provided with pedals, both sides of the working truss are provided with guardrails, and the bottoms of the first support and the second support are provided with casters.

4. The mobile straddle scaffold according to claim 2, wherein the number of working trusses on the straddle platform is determined according to actual needs.

5. The mobile bridge-spanning scaffold according to claim 1, wherein the top of each of said first and second supports is provided with a supporting beam, said supporting beam is fixedly connected with the working truss by a quick-turn fastener.

6. The mobile straddle scaffold according to claim 1 or 5, wherein reinforcing support bars are arranged at the tops of the first and second supports, and the reinforcing support bars are fixedly connected with the working truss through quick-turning fasteners.

7. The mobile straddle scaffold according to claim 1, 5 or 6, wherein the first support has a height greater than or equal to the height of the second support;

8. The mobile straddle scaffold according to any one of claims 1 to 7, further comprising a protective inflatable cushion disposed on the underside of the working truss between the first and second supports.

9. The mobile bridge-spanning scaffold according to claim 1, wherein the operation truss is provided with a winch, a fixed pulley and a hanging basket rope, one end of the hanging basket rope is wound on the winch, and the other end of the hanging basket rope is connected with the hanging basket through the fixed pulley.

10. The construction method of the movable cross-bridge scaffold is characterized by at least comprising the following steps:

the operation truss is provided with the pedals, and the two sides of the operation truss are provided with the guardrails, so that the construction of the movable cross-bridge type scaffold is completed.