CN201381629Y

CN201381629Y - Light scaffold

Info

Publication number: CN201381629Y
Application number: CN200920126971U
Authority: CN
Inventors: 姚康华
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-10
Filing date: 2009-04-10
Publication date: 2010-01-13
Anticipated expiration: 2019-04-10

Abstract

The utility model discloses a light scaffold located on the periphery of buildings. The light scaffold comprises bases and frame bodies, and is characterized in that the bases are arranged on each floor in intervals of certain distance along the periphery of buildings, the frame bodies are installed on the bases, scaffold boards are connected among the bases, the overall height of the frame body is equal to the height of two or more than two floors, and the function of using the scaffold as a main construction protection frame and a renovation scaffold is realized that the frame bodies are built along the height direction of buildings with the rising of the building in the construction stage of the main body of the building, parts of the bases and the scaffold boards are retained in intervals of certain distance, other frame bodies and the bases can be detached and are moved to the constructed floor, thereby finishing the protection for the main body of the building in the construction stage, and the frame bodies are arranged on the retained bases in the external wall renovation stage, thereby forming the renovation scaffold.

Description

A kind of light scaffold

Technical field

The utility model relates to a kind of scaffold, is specifically related to a kind ofly to save lot of materials, operability is good and have the load-bearing scaffold dual-use function that can be used as main body construction stage protective frame and decoration of exterior wall stage, in assembling and disassembling stage bottom the external scaffolding of safe operation platform is arranged.

Background technology

The tradition scaffold is to be connected to form frame structure with rod member by connectors such as common fastener or bowl fasteners, operates the platform of usefulness by laying material formation such as scaffold floor thereon for the workman; Cover material by on its bottom and outer facade, laying to seal, play the safety effect that prevents that falling object from high altitude from hurting sb.'s feelings.Along with the development in domestic construction market, various types of scaffolds have been emerged in large numbers, such as console mode scaffold, overhanging scaffold, attachment type raise scaffold, protection rack special for building main body construction etc.These several scaffolds respectively have its pluses and minuses, and the console mode scaffold is set up along depth of building direction overall height, and it is huge to consume material, and cost is too high; And overhanging scaffold is to be installed in shaped steel on the building storey as bottom support, only set up the certain altitude support body, be generally 4 to 6 layers, be provided with along the segmentation of depth of building direction, usually be set to two sections, along with the carrying out of construction speed, remove wherein one section scaffold and upwards (main body construction stage) or downwards (exterior wall finishing stage) transfer to the construction floor, set up again.So go round and begin again, finish until construction.Compare the console mode scaffold, overhanging scaffold only need consume and be equivalent to 8 layers of scaffolding to 12 floor floor heights, on material quantity, save to some extent, but because its installation and to set up all be that carry out in high-altitude there not being the bottom security platform, operational risk is huge, and the security incident that falling object from high altitude weighs down the people takes place easily.Attachment type raise scaffold only need set up that certain altitude is generally 4-5 floor floor height and attached in the building structure, rely on jacking equipment and the device of self, can successively climb or descends along building structure, have anti-ly topple, the external scaffolding of falling proof device.Though this scaffold material economy, used device and device are more, and cost is too high, and complicated operation, loses efficacy the security risk that exists the high-altitude to fall as safety device.Protection rack special for building main body construction is the present utility model people research and development, set up the support body of height about 3 layers, adopt tower crane or hoist engine as promoting power, transfer can successively make progress, the highrise building that its suitable external wall decorative material is a coating adopted in the main body construction stage, and the decoration of exterior wall stage need be adopted the aerial work basket coordinative construction.Its shortcoming is, being not suitable for external wall decorative material is the highrise building of ceramic tile because when laying ceramic tile as adopting hanging basket, it rocks big and can't adopt, therefore to this part building, the application of protection rack special for building main body construction just is restricted.

The utility model content

The technical problems to be solved in the utility model provides a kind of material of both having saved, and can guarantee construction safety again, and has the new type scaffold of the dual-use function of main body construction stage protective frame and exterior wall finishing stage load-bearing scaffold.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of light scaffold, be positioned at architecture enclosing, comprise base and support body, it is characterized in that: on each floor, keeping at a certain distance away along building external is provided with base, and support body is installed on the base; Be connected with scaffold floor between the described base; Described support body overall height is two or more story heights, its function as main body construction protective frame and finishing scaffold is achieved in that the main body construction stage at building, along with building raises, set up support body along the depth of building direction, reserve part base and scaffold floor keep at a certain distance away, all the other support bodys and base are dismountable and upwards be transferred to the construction floor, finish the protection in building main body construction stage; In the exterior wall decoration stage, support body is installed on the base of reservation, forms the finishing scaffold.

Adopt such structure, the utility model only consumes a small amount of support body bar material, just can guarantee the function of whole scaffold, because part base and scaffold floor are retained on the building, both can play as effect, prevent that falling object from high altitude from hurting sb.'s feelings at the protection canopy in main body construction stage; Also can be used as the exterior wall finishing stage, when setting up the finishing scaffold, the platform when operating as the workman, eliminated effectively when setting up builder's jack in the past, because the limit operation is faced in the high-altitude, the bottom does not have the security platform protection, and the falling object from high altitude that occurs weighs down people's potential safety hazard easily.

Further, the structure to scaffold floor limits.It is characterized in that: described scaffold floor length is not less than the adjacent pans spacing, and scaffold floor is provided with reinforcing rib, and during installation, described scaffold floor is shelved on the base, and described reinforcing rib end can be used as positioner near base, prevents the scaffold floor slippage.This scaffold floor can play traditional scaffold floor the platform action that the back forms is installed, also because be provided with reinforcing rib, its intensity is strengthened relatively, directly be bearing between the adjacent base, do not need as traditional scaffold, be provided as in addition the scaffold transverse bar member (vertical skin direction) of scaffold floor bearing and vertically rod member in (suitable skin direction), thereby saved lot of materials.

Further, the connected mode of base and building is limited: base one end is connected on the building, and the other end is chosen outside building, describedly chooses end and is connected with and tiltedly draws relief arrangement, tiltedly draws the relief arrangement other end to be connected on the base of a floor.This structure is born the support body deadweight and the working load that are transmitted by the support body that is installed on the base by tiltedly drawing relief arrangement and base to form bogey, and is simple in structure, safe and reliable.Further again, the structure of support body is limited.It is characterized in that: described support body comprises vertical bar and transverse bar member, wherein the connection between vertical bar and the base is such: be provided with mounting groove on described base, adapter sleeve is installed in the mounting groove, described vertical bar is the boundary with the adapter sleeve, be divided into two parts up and down, the adapter sleeve upper end is provided with boss and backstay, the lower end is provided with teeth groove joint cover A, the vertical bar top of bottom is provided with the teeth groove joint cover B that adapts with its profile of tooth, and described teeth groove joint cover A and teeth groove joint cover B are by being threaded.During use, the vertical bar between the base of the adjacent two layers on the same horizontal level of building can be installed or remove easily, and can not influence the vertical bar above or below it.

Further again, the specification of described vertical bar is limited.Vertical bar only has been the effect of structural connection in the said structure, and does not need to bear working load, is different from its effect in traditional scaffold, and its requirement of strength is not high, therefore can choose the rod member of different sizes as required.Described vertical bar can be the general steel pipe of external diameter 48mm, also can be the steel pipe of external diameter 25-80mm.Adopting the general steel pipe of external diameter 48mm, is present the realm of building construction rod member commonly used, has hoarded a large amount of such steel pipes in a lot of units in charge of construction or lease station, can directly select for use, is unlikely to cause idle or waste owing to the popularization of this product; To some emerging construction market, as do not have this situation, can adopt the rod member of other specifications yet.Other rod members of external diameter 25-80mm, the less rod member of external diameter especially, its deadweight is lighter, consumes steel still less, such as having reduced cost, the manipulation strength when having reduced workman's assembling and disassembling,

Adopt following structure when further, base is installed: described base is provided with installing hole, and embedded nut is arranged in the concrete structure of building, and erection bolt passes described installing hole and is connected with embedded nut.This structure is reliable, and further, described embedded nut is two, and described two embedded nuts are welded on the ironware of location by designed distance, and the location ironware is connected by welding or colligation with concrete reinforcing steel.Can prevent effectively like this when vibrated concrete, because the vibration of vibrating head causes embedded nut offset design position.Certainly, base also can adopt other modes to be connected with building, such as adopts service sleeve to add the mode of screw rod through walls, nut, also can take expansion bolt to pass installing hole on the base, and base is fixed on mode on the building etc.

At last, described base can be one of channel-section steel, i iron or rectangular steel pipe, preferentially adopts rectangular steel pipe, its good looking appearance, bear aspect the comprehensive mechanical properties such as moment of flexure, moment of torsion, pressure relatively good.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Fig. 1 is the structural representation of the utility model protective frame;

Fig. 2 is the enlarged drawing of A among Fig. 1;

Fig. 3 is along the sectional view of A-A among Fig. 2;

Fig. 4 is the enlarged drawing of B among Fig. 1;

Fig. 5 is along the sectional view of D-D among Fig. 4

The specific embodiment

As shown in Figure 1, a kind of light scaffold of the utility model, support body 2 are installed on the base 1, and base 1 is arranged on each building storey.The height of support body 1 can be selected the height of 2 floors as required, also can be the above height of four floors, is generally the height of four First Five-Year Plan floor layers.Support body 2 is positioned at architecture enclosing, and mat formation close order safety net and plane of its outer facade laid envelopes such as scaffold floor, bamboo offset plate and covered material.In the main body construction stage of building, along with building raises, along the depth of building direction, reserve part base and scaffold floor keep at a certain distance away, shown in Fig. 1 middle and lower part, all the other support bodys and base are dismountable and upwards be transferred to the construction floor, finish the protection in building main body construction stage; In the exterior wall decoration stage, support body is installed on the base of reservation, forms the finishing scaffold.Base 1 one ends are connected on the building, and the other end is chosen outside building, describedly choose end and are connected with and tiltedly draw relief arrangement 11, tiltedly draw relief arrangement 11 other ends to be connected on the base 1 of a floor.The adjustable length device that tiltedly draws relief arrangement 11 to form by pull bar, flower basket bolt, this structure forms bogey by tiltedly drawing on the relief arrangement with base, bear the support body deadweight and the working load that transmit by the support body that is installed on the base, simple in structure, safe and reliable.It is that 70 * 70 * 4mm rectangular steel pipe is made that base 1 adopts specification.Can directly connect Ei with scaffold floor between the base 1.Scaffold floor length is not less than the adjacent pans spacing, and scaffold floor is provided with reinforcing rib, and during installation, described scaffold floor is shelved on the base, and described reinforcing rib end can be used as positioner near base, prevents the scaffold floor slippage.This scaffold floor can play traditional scaffold floor the platform action that the back forms is installed, also because be provided with reinforcing rib, its intensity is strengthened relatively, directly be bearing between the adjacent base, do not need as traditional scaffold, be provided as in addition the scaffold transverse bar member (vertical skin direction) of scaffold floor bearing and vertically rod member in (suitable skin direction), thereby saved lot of materials.

In Fig. 2, junction plate 5 is connected with embedded nut 52 in being fixed on building concrete by bolt assembly 53.Embedded nut 52 is two, and as shown in Figure 3, it is welded on the ironware 51 of location by designed distance, and location ironware 51 is connected by welding or colligation with concrete reinforcing steel.Base 1 inserts by building one end in the open slot 55 that is welded on the junction plate 5, clamps openend by bolt assembly 56, thereby base 1 is fixed on the building, and can prevent effectively that base 1 from rotating in groove.Unclamp bolt assembly 56, can take out, easy to use.Base 1 can select for use rectangular steel pipe or other shaped steel such as channel-section steel, i iron etc.No matter adopt which kind of model, as long as satisfy the strength and stiffness condition.Junction plate 5 lower ends are welded with closed-loop 54, tiltedly draw the crotch on relief arrangement 2 tops to hook in the ring, and tightening flower basket bolt just can bearing load.

In Fig. 4, Fig. 5, provided the annexation between support body vertical rod 6 and the base.It is that 48mm, wall thickness are the thick steel pipe of 3.5mm that general external diameter is selected in support body vertical rod 6 for use.On base 1, be provided with groove, in adapter sleeve 7 insertion grooves, clamp by bolt assembly 13.Adapter sleeve 7 is external diameters and the identical steel pipe of support body vertical rod 6, and its upper end is welded with an external diameter approximately less than the backstay 71 of the internal diameter of support body vertical rod 6, and its underpart is welded with boss 72, only needs during installation support body vertical rod 6 is inserted in the steel pipe 7 to get final product; Adapter sleeve 7 bottoms are welded with teeth groove joint cover A84, are processed with profile of tooth 83 on it; Support body vertical rod 6 upper end teeth groove joint cover B81 are processed with profile of tooth 82 on it; Profile of tooth 83 and profile of tooth 82 shapes adapt, and fasten mutually during connection, prevent slippage.Clamp by bolt assembly 9 respectively on teeth groove joint cover A84 and the teeth groove joint cover B81.During dismounting, only need unclamp bolt assembly 9, just can from steel pipe 71, upwards extract support body vertical rod 6, finish dismantlement work.

Protection domain of the present utility model includes but not limited to the foregoing description, so long as adopt the technical solution of the utility model or its improvement all to fall among the protection domain of the present utility model.

Claims

1, a kind of light scaffold is positioned at architecture enclosing, comprises base and support body, it is characterized in that: on each floor, keeping at a certain distance away along building external is provided with base, and support body is installed on the base; Be connected with scaffold floor between the described base; Described support body overall height is two or more story heights, its function as main body construction protective frame and finishing scaffold is achieved in that the main body construction stage at building, along with building raises, set up support body along the depth of building direction, reserve part base and scaffold floor keep at a certain distance away, all the other support bodys and base are dismountable and upwards be transferred to the construction floor, finish the protection in building main body construction stage; In the exterior wall decoration stage, support body is installed on the base of reservation, forms the finishing scaffold.

2, light scaffold as claimed in claim 1, it is characterized in that: described scaffold floor length is not less than the adjacent pans spacing, scaffold floor is provided with reinforcing rib, during installation, described scaffold floor is shelved on the base, described reinforcing rib end can be used as positioner near base, prevents the scaffold floor slippage.

3, light scaffold as claimed in claim 1, it is characterized in that: described base is to be installed in like this on the floor: base one end is connected on the building, the other end is chosen outside building, describedly choose end and be connected with and tiltedly draw relief arrangement, tiltedly draw the relief arrangement other end to be connected on the base of a floor.

4, light scaffold as claimed in claim 1, it is characterized in that: described support body comprises vertical bar and transverse bar member, wherein the connection between vertical bar and the base is such: be provided with mounting groove on described base, adapter sleeve is installed in the mounting groove, described vertical bar is the boundary with the adapter sleeve, be divided into two parts up and down, the adapter sleeve upper end is provided with boss and backstay, the lower end is provided with teeth groove joint cover A, the vertical bar top of bottom is provided with the teeth groove joint cover B that adapts with its profile of tooth, and described teeth groove joint cover A and teeth groove joint cover B are by being threaded.

5, light scaffold as claimed in claim 3 is characterized in that: described base is provided with installing hole, and embedded nut is arranged in the concrete structure of building, and erection bolt passes described installing hole and is connected with embedded nut.

6, light scaffold as claimed in claim 5 is characterized in that: described embedded nut is two, and described two embedded nuts are welded on the ironware of location by designed distance, and the location ironware is connected by welding or colligation with concrete reinforcing steel.

7, light scaffold as claimed in claim 5 is characterized in that: described vertical bar can be the general rod member of external diameter 48mm, also can be the special rod member of external diameter 25-80mm.

8, light scaffold as claimed in claim 1 is characterized in that: described base can be one of channel-section steel, i iron or rectangular steel pipe.