CN2844304Y

CN2844304Y - Special protective bracing for construction of main building body

Info

Publication number: CN2844304Y
Application number: CN 200520010416
Authority: CN
Inventors: 姚康华
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-29
Filing date: 2005-11-29
Publication date: 2006-12-06
Anticipated expiration: 2015-11-29

Abstract

The utility model discloses a special protective bracing for construction of a main building body, which comprises a frame body (31) and a truss frame (35), wherein the frame body (31) is a single row frame and is formed by the assembly of a steel pipe and a fastener, shielding materials like a safe net, etc. is paved on the frame body (31), and the side of the frame body (31) abut to a building is connected with the truss frame (35). The utility model is characterized in that the truss frame (35) is provided with a fixing supporting leg (34) and a horizontal pull rod (37), the fixing supporting leg (34) is supported on the building (11) and is provided with a limiting device which can prevent the fixing supporting leg from freely moving towards the building (11); the horizontal pull rod (37) is movably connected with a pin (36) arranged on the floor plate surface of the building (11), the fixing supporting leg is positioned on a first floor surface (111) in the height range of the frame body, and the horizontal pull rod is positioned on a third floor surface (112). The utility model has the advantages of simple operation, high safety and low cost.

Description

Protection rack special for building main body construction

Technical field

The utility model relates to a kind of building operations scaffold, is specifically related to a kind of protection rack special that is applied to the building main body construction stage.

Background technology

At present, especially in China, it has been a kind of trend that the external wall of high-rise building ornament materials changes coating into by face brick, only hangs ship and could satisfy the requirement of coating application technology about repeatedly with adopting.But hang ship and hang on the building roof, can not be applied to the building main body construction stage, therefore must have and its matching used protection rack special that is applied to this stage.In this case, other scaffold is because function of use former thereby increased cost.

At present known comparatively advanced protective frame adopts following structure usually: setting up the formation maximum length with steel pipe, fastener and be no more than 6.0 meters, is the scaffold unit of 2 layer of half left and right sides Lou Gao highly, comprises single about high about four meters double and 3 meters.The bottom is connected with setting bracket therein, and setting bracket is fixed on the building side bar of construction floor by through-wall bolt.A plurality of such scaffold units are arranged on the building, form to cover frame around the envelope in one week of building outline, face frontier defense and protect providing at the building of building, and prevent from that constructional materials etc. from falling the security incidents such as decreasing thing of hurting sb.'s feelings takes place to hit.Along with the every rising one deck of building, utilize tower crane to do to promote power, scaffold unit is risen to a last floor fix.Compare other traditional scaffolds, this technology has certain advance: such as not needing special-purpose lifting means, save materials such as steel tube fastener, cost is relatively low.But, also there is following shortcoming:

1. fixed point for satisfying the construction speed requirement, must be removed the template of this layer side bar in advance on the building side bar of floor of just constructing, and brings inconvenience to building operations; If be fixed on the floor, because slab thickness is much smaller than side bar, and the concrete setting insufficient strength can not satisfy the structural strength requirement.

2. on the building side bar fixedly the time, because the operator needs face the limit operation under unguarded situation, difficulty increases, and security risk can't be avoided, and complicated operation, must the professional technique workman could be competent at;

For above-mentioned reasons, when installing and promote, all need specialized construction team, increased use cost.

The utility model content

Thereby overcome existing protective frame complicated operation, have security risk, need professional construction troop to increase the deficiency of use cost, the utility model provide a kind of safe and reliable, simple to operate, do not need professional construction troop, protection rack special for building main body construction with low cost.

The technical scheme in the invention for solving the technical problem is: a kind of protection rack special for building main body construction is to seal the scaffold that covers around one week of building outline and to it, is divided into a plurality of unit along its length, and each unit uses tower crane to promote separately; Each unit comprises support body, truss and attachment device, support body is set up by steel pipe, fastener and is formed, the envelopes such as safety net is arranged of mating formation are covered material, are connected with truss by building one side on support body, it is characterized in that: also be provided with the fixed supporting leg and the girt that are connected with building on the described truss.Fixed supporting leg and girt respectively be located at building on latch be connected.Wherein, fixed supporting leg is positioned at the second layer flooring of support body altitude range, and girt is positioned at the 3rd floor face.Fixed supporting leg bears the gravity of scaffold, and and girt constitute one group of couple together and come the balance scaffold unit owing to departing from the eccentric moment that building produces, so just realized fixing of scaffold unit.A plurality of such scaffold units are arranged on the building, form to cover support body around the envelope in one week.Adopting tower crane to make to promote power promotes separately scaffold unit.

Useful technique effect of the present utility model is: the truss that is fixed on the scaffold unit middle part has increased rigidity, thereby has increased the ability of lateral loads such as opposing wind load; Do not need to remove in advance the side bar of firm construction floor; Simplified the operation in installation and the lifting process, improved work efficiency, because workman's operation is all carried out indoor, there is not the danger of work high above the ground, do not need very high professional technique technical ability, fully can by the common laborer of civil engineering unit for example the punching block worker utilize the production preparatory stage of the floor of waiting to construct to finish through after the simple training, greatly reduce use cost.Like this, it is simple to operate using the beneficial effects of the utility model, safe and reliable, and the efficient height is with low cost.

When projections such as eaves board were arranged on the building, during tower crane vertical-lift protective frame, fixed supporting leg can interfere with eaves board of a last floor etc., must carry out luffing for this reason, makes the lifting time lengthening, has reduced work efficiency.

In order to address this problem, the technical solution adopted in the utility model is: fixed supporting leg and truss are articulated and connected and can slide up and down along its hinge axes, and truss and fixed supporting leg are provided with the positioner that matches.

Described positioner can be one group of intermeshing fin in plane and groove.

Described positioner can also be ladder boss and end face.

The beneficial effects of the utility model are: when protective frame fixedly the time, fixed supporting leg is bearing on the building, and positioner works, fixed supporting leg and truss relative fixed; When protective frame promotes, fixed supporting leg under its deadweight effect to lower slider, positioner breaks away from, fixed supporting leg can rotate to avoid eaves board around truss, after putting in place, lifting goes back to original position and location again, like this tower crane just can be under the situation of constant amplitude the vertical-lift protective frame, saved the time, improved work efficiency.

Description of drawings

Fig. 1 is the prior art constructions schematic diagram

Fig. 2 is the side elevation schematic diagram of first embodiment of the utility model

Fig. 3 is the enlarged diagram of I among Fig. 2

Fig. 4 is that the K of Fig. 3 is to view

Fig. 5 is the enlarged diagram of II among Fig. 2

Fig. 6 is the side elevation schematic diagram under first embodiment lifting state of the utility model

Fig. 7 is the positive elevational schematic view under first embodiment lifting state of the utility model

Fig. 8 is the front view of second embodiment of the utility model

Fig. 9 is the front view of the 3rd embodiment of the utility model

Figure 10 is that P among Fig. 9 is to view

11. buildings 12. hole 362. nuts 371 bearing pins formation such as 24. single 31 support bodys of 21. double .22. steel brackets of floor, 23. through-wall bolts, 32. legers, 33. fasteners, 34. fixed supporting legs, 35. truss legers, 36. latches, 37. girts, 41. tower crane suspension hooks, 42. tower crane wire rope, 111. second layer floorings 112. the 3rd floor face, 341. positive stops, 342. end faces, 343. grooves, 344. fins, 351. bearing pins, 352. bearing pins, 353. ladder boss 361.PVC pipes or that get out by electric hammer etc. of waiting to construct among the figure

The specific embodiment

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

In conjunction with Fig. 2-Fig. 6 first embodiment of the present utility model is described.

In the present embodiment, the support body 31 of scaffold highly is 3 half building building height, connect truss 35 by fastener 33 on one group of leger 32 of its inboard (by building one side), truss 35 is by bearing pin 351,352 fixed supporting leg 34 that is articulated and connected, and girt 37 is articulated and connected by bearing pin 371 with truss 35.The hole 361 that is formed by pvc pipe etc. or got out by electric hammer is arranged on the building floor.Fixed supporting leg 34 and girt 37 lay respectively at second layer flooring and the 3rd floor face in the support body altitude range.Before fixing, scaffold unit is in suspension status under 41 tractions of tower crane wire rope, the operator only need stand in the building, buttress truss 35, make girt 37 installing hole alignment holes 361, after latch 36 is inserted, transfer tower crane wire rope 81 until loosening fully, fixed supporting leg 34 is bearing on the building 11, and its positive stop 341 withstands on the building 11 side bars outside.As can be seen, the gravity of scaffold unit is directly passed to building 11 by fixed supporting leg 34; And it is owing to depart from the eccentric bending moment that building 11 produces, thereby girt 34 then by being in upper and lower two floors respectively and spacing 341 blocks are delivered to and give balance on the building.So just finished the fixing of scaffold unit.During lifting, under tower crane wire rope 81 promotes, latch 36 and girt 37 are broken away from, be thus lifted to a last floor until scaffold unit and fix.In the present embodiment, fixed supporting leg 34 is articulated and connected by bearing pin 351,352 with truss 35, and can be along 2 slips of its axis sliding panel.Ladder boss 353 is arranged on the truss; After the protective frame lifting puts in place, fixed supporting leg 34 is bearing on the building side bar, under action of gravity, truss 35 is to lower slider, make the end face 342 of fixed supporting leg 34 relative with ladder boss 353 positions, after fixed supporting leg 34 relative truss 35 turned an angle, its end face 342 contacted with ladder boss 352 and realizes the location, as shown in Figure 4.Obviously, fixed supporting leg 34 is determined by the gap between end face 342 and the ladder boss 353 relative to the angular dimension that truss 35 rotates.Generally speaking, this angle can be spent to 60 degree from 0.When protective frame promotes, fixed supporting leg 34 under himself action of gravity to lower slider, its end face 342 breaks away from ladder boss 353, can be about bearing pin 351,352 be done the relatively rotating of 90 degree, be convenient to have at building under the situation of projections such as eaves board, fixed supporting leg 34 is avoided eaves board when promoting protective frame in lifting process.As shown in Figure 6.Tower crane does not need the luffing just can vertical-lift like this, has saved the time.

Fig. 8 second embodiment of the present utility model.

In the present embodiment, be embedded with nut 362 in the concrete floor, there is screw thread latch 36 lower ends, are connected with nut 362 after piercing into the installing hole of girt 37, thereby realize being connected of girt 37 and building 11.

Fig. 9-Figure 10 is the 3rd embodiment of the present utility model.

In the present embodiment, truss 35 and fixed supporting leg 34 are provided with one group of intermeshing fin 344 in plane and groove 343.When protective frame fixedly the time, fin 344 inserts in certain groove 343, thereby positioning action is played in the rotation of restriction fixed supporting leg 34.

Characteristics of the present utility model be simple in structure, easy to operate, use safety, easily processing and manufacturing, with low cost.

Claims

1. protection rack special for building main body construction, comprise support body (31), truss (35), support body (31) is single, by steel pipe, fastener is set up formation, the envelopes such as safety net is arranged of mating formation are covered material, upward be connected with truss (35) at support body (31) by building one side, it is characterized in that: described truss (35) is provided with fixed supporting leg (34) and girt (37), fixed supporting leg (34) is bearing on the building (11), and be provided with the stopping means that prevents that it from moving freely to building (11), girt (37) flexibly connects with the latch (36) that is located on building (11) floor face, fixed supporting leg is positioned at the second layer flooring (111) of support body altitude range, and girt is positioned at the 3rd floor face (112).

2. protection rack special for building main body construction as claimed in claim 1 is characterized in that: described latch (36) is connected with nut (362) or bolt in being embedded in the floor face concrete.

3. protection rack special for building main body construction as claimed in claim 1 is characterized in that: in the hole (361) on described latch (36) the lower end reeve floor.

4. protection rack special for building main body construction as claimed in claim 1 is characterized in that: fixed supporting leg (34) is articulated and connected with truss (35) and is provided with positioner.

5. protection rack special for building main body construction as claimed in claim 4 is characterized in that: described positioner comprises one group of intermeshing fin in plane (344) and groove (343).

6. protection rack special for building main body construction as claimed in claim 4 is characterized in that: described positioner comprises a ladder boss (353) and an end face (342).