Cantilever external scaffold

Abstract

The utility model relates to the technical field of buildings, in particular to a cantilever external scaffold which comprises a plurality of fixing devices, each fixing device comprises a U-shaped clamp, each U-shaped clamp is clamped on a supporting column, a telescopic rod is arranged above each U-shaped clamp and can stretch out and draw back, the upper end of each telescopic rod abuts against the bottom end face of an upper floor, and the lower end of each telescopic rod abuts against the bottom end face of a lower floor. The lower end of the telescopic rod abuts against the top end face of a U-shaped clamp, the lower end of the U-shaped clamp abuts against the top end face of a lower floor, the two ends of the U-shaped clamp are provided with parallel installation holes, I-shaped steel is connected into the installation holes in a sleeved mode, two hanging rods are connected to the I-shaped steel in a sliding mode, and the lower ends of the two hanging rods are connected through a connecting rod. The scaffold is integrally erected on the outer side of the to-be-constructed floor, the fixed points are located on the supporting columns of the upper stair, the scaffold can be installed without damaging the wall, the safety of the building wall is guaranteed, meanwhile, the problem that water leaks due to the fact that an embedded part agrees to generate cracks is solved, and the scaffold is simple and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to building technical field, especially a kind of cantilevered external scaffold. BACKGROUND

[0002] In high-rise building construction, high-altitude operation is inevitable, therefore, cantilevered scaffold becomes common auxiliary facilities.

[0003] Chinese patent for invention with patent announcement No. CN117703048A discloses a flower basket type cantilevered scaffold, which comprises a shaped steel beam, a cable-stayed rod, a connecting rod, a pre-buried sleeve and a construction frame. A linkage block is rotatably connected in the pre-buried sleeve. The connecting rod is connected with a transmission block. A fixed block is arranged on the pre-buried sleeve. A locking screw is slidably connected in the fixed block. A driven bevel gear ring is rotatably connected on the fixed block. The driven bevel gear ring is threadedly connected with the locking screw. A driving bevel gear ring is coaxially fixedly connected with the linkage block. A locking groove is formed in the side surface of the connecting rod. The transmission block is connected with the linkage block and rotated. The bevel gear ring rotates with the linkage block in the same direction. The driving bevel gear ring drives the driven bevel gear ring to rotate, which in turn drives the locking screw to slide towards the connecting rod. The connecting rod is embedded in the locking groove, and can be quickly connected. However, the patent needs to install the structure in the shear wall, the upper turning beam and other parts of the building, regardless of pre-buried or reserved. The pre-buried structure can damage the building. Finally, the hole needs to be repaired, which can cause cracks and water leakage. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a cantilevered external scaffold to solve the problems in the background art.

[0005] A cantilevered external scaffold comprises a building, a floor and a support column. The building comprises a plurality of fixing devices. The fixing device comprises a U-shaped clamp. The U-shaped clamp is clamped on the support column. A telescopic rod is arranged above the U-shaped clamp. The telescopic rod can be telescoped. The upper end of the telescopic rod abuts against the bottom end surface of the upper floor. The lower end of the telescopic rod abuts against the top end surface of the U-shaped clamp. The lower end of the U-shaped clamp abuts against the top end surface of the lower floor. Two end portions of the U-shaped clamp are provided with mounting holes parallel to each other. A I-beam is sleeved and connected in the mounting hole. Two hanging rods are slidably connected on the I-beam. The lower ends of the two hanging rods are connected by a connecting rod.

[0006] Preferably, the telescopic rod comprises a fixed outer rod and a sliding inner rod. The fixed outer rod is threadedly connected with the sliding inner rod. The free ends of the fixed outer rod and the sliding inner rod are rotatably connected with a mounting plate.

[0007] Preferably, a fixing groove is formed in the top end surface of the U-shaped clamp. The fixing groove is correspondingly arranged with the mounting plate.

[0008] Preferably, the suspender comprises a sliding sleeve and a vertical rod, the sliding sleeve is provided with a sliding hole matched with the I-shaped steel in horizontal direction, the I-shaped steel is sleeved in the sliding hole, the top end of the sliding sleeve is provided with a locking hole penetrating the sliding hole, and the locking hole is threadedly connected with a locking bolt.

[0009] Preferably, the vertical rod is connected with the connecting rod through a pipe clamp, the lower end of the vertical rod is provided with a pin hole, and the pin hole is provided with a safety pin.

[0010] Preferably, the fixing device further comprises a diagonal pull rod, the diagonal pull rod is connected with two adjacent vertical rods in cross mode, and the diagonal pull rod is detachably connected with the suspender through the pipe clamp.

[0011] Preferably, the opening of the U-shaped card is directed to the side away from the building.

[0012] Compared with the prior art, the utility model has the beneficial effects that the U-shaped card in the fixing device can be clamped on the support column of the floor, the U-shaped card is hung to the next floor of the floor where the U-shaped card is located through the I-shaped steel and the suspender, and then the support plate for the footrest is erected based on the connecting rod of the suspender, so that the construction of the lower layer can be realized, the support points are all located on the upper layer of the construction floor, the construction sequence from bottom to top is adopted, the scaffold can be erected without pre-buried, the utility model does not need to pre-buried bolt, so that the wall body is not damaged, and the overall waterproof performance and safety of the building are not affected, and the practicality is higher. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the application scenario schematic diagram of the utility model;

[0014] Figure 2 It is the utility model Figure 1 It is the enlarged schematic diagram of A in the utility model;

[0015] Figure 3 It is the overall structure schematic diagram of the fixing device in the utility model;

[0016] Figure 4 It is the disassembly schematic diagram of the telescopic rod and the U-shaped card in the utility model;

[0017] Figure 5 It is the connecting structure schematic diagram of the suspender and the connecting rod in the utility model.

[0018] In the drawing: 1, building wall body; 11, support column; 12, floor slab; 2, U-shaped card; 21, mounting hole; 22, fixed groove; 3, telescopic rod; 31, fixed outer rod; 32, sliding inner rod; 33, fixed plate; 4, I-shaped steel; 5, suspender; 51, sliding sleeve; 52, vertical rod; 53, locking hole; 54, pin hole; 6, safety pin; 7, connecting rod; 8, locking bolt; 9, pipe clamp. DETAILED DESCRIPTION

[0019] The technical solutions of the embodiments of the utility model will be described clearly and completely below in combination with specific examples and drawings. Figures 1-5 The technical solutions of the embodiments of the utility model will be described clearly and completely below in combination with specific examples and drawings.

[0020] A cantilevered outer scaffold comprises a multi-layer building, the building comprises a floor 12 and a support column 11, the floor 12 and the support column 11 constitute the basic structure of the building, the support column 11 is the main weight-bearing body of the building, a fixing device is arranged on the support column 11 at the edge of the building, the fixing device is arranged on the support column 11 at the floor above the floor to be constructed, the fixing device extends downward along the outer side of the building, so that the whole corresponds to the floor to be constructed, and the installation fixing point is located at the upper floor, so that the installation hole 21 does not need to be reserved, and therefore the building wall 1 is not damaged, and the subsequent leakage problem caused by the installation hole 21 does not occur.

[0021] The fixing device is arranged on the outermost support column 11 of the building, so that a whole circle of scaffolds can be erected by means of the fixing device to lay support plates for construction work.

[0022] The fixing device comprises a U-shaped clamp 2, the U-shaped clamp 2 is arranged around the support column 11 by virtue of the concave structure thereof, and the opening of the U-shaped clamp 2 faces away from the building, installation holes 21 for mounting I-shaped steel 4 are arranged at both ends of the U-shaped clamp 2, the two installation holes 21 are arranged in parallel with each other, the installation hole 21 is a through hole, and the I-shaped steel 4 is slidably arranged in the installation hole 21.

[0023] A fixing groove 22 is arranged at the upper end of the U-shaped clamp 2 at the bending position, a telescopic rod 3 is arranged in the fixing groove 22 correspondingly, the telescopic rod 3 can be extended and retracted, the telescopic rod 3 is arranged vertically, so that the telescopic rod 3 is extended, one end of the telescopic rod 3 abuts against the lower end of the floor 12 above, and the other end firmly presses the U-shaped clamp against the upper end face of the floor 12 below, so that the I-shaped steel 4 arranged through the U-shaped clamp 2 is prevented from being tilted at the bending position of the U-shaped clamp 2 and being raised upward, and the U-shaped clamp 2 is fixed.

[0024] The telescopic rod 3 comprises a fixed outer rod 31 and a sliding inner rod 32, the fixed outer rod 31 and the sliding inner rod 32 are threadedly connected, so that the telescopic rod 3 can be extended and retracted, the free ends of the fixed outer rod 31 and the sliding inner rod 32 are rotatably connected to a mounting plate, the fixed outer rod 31 and the sliding inner rod 32 can be freely rotated relative to the mounting plate, a fixed plate 33 is matched with the fixing groove 22, and can be clamped into the fixing groove 22, so as to further enhance the fixing capacity of the telescopic rod 3 to the U-shaped clamp 2, and the outer side of the fixed plate 33 is a rubber surface, so as to prevent sliding.

[0025] Two hanging rods 5 are slidably connected to the I-shaped steel 4, the lower ends of the two hanging rods 5 are connected through a connecting rod 7, the hanging rod 5 comprises a sliding sleeve 51 and a vertical rod 52, the sliding sleeve 51 is fixedly connected to the top end of the vertical rod 52, the sliding sleeve 51 is provided with a sliding hole which is matched with the section of the I-shaped steel 4 in the horizontal direction, the I-shaped steel 4 is sleeved in the sliding hole, the sliding sleeve 51 is provided with a locking hole 53 at the top end, the locking hole 53 is communicated with the sliding hole, the locking hole 53 is threadedly connected with a locking bolt 8, the locking bolt 8 is pressed and fixed by being fastened, so that the sliding sleeve 51 is fixedly connected with the I-shaped steel 4, and relative sliding of the two after installation is prevented.

[0026] The connecting rod 7 is connected with the vertical rod 52 through a pipe buckle 9, the vertical rod 52 is provided with a pin hole 54 in the horizontal direction below the lower end and below the position where the pipe buckle 9 is connected with the vertical rod 52, and a safety pin 6 is arranged in the pin hole 54, the two ends of the safety pin 6 are threadedly connected with safety nuts, and the safety pin 6 is arranged to prevent the pipe buckle 9 from being subjected to excessive pressure and causing the pipe buckle 9 to slide downward along the vertical rod 52 and separate from the vertical rod 52, so as to ensure assembly safety.

[0027] A plurality of fixing devices suspend a plurality of connecting rods 7 outside the floor to be constructed, and a construction platform for standing and storing tools of construction personnel can be built by laying a support plate for treading on the connecting rod 7, so that construction activities are facilitated.

[0028] Preferably, the vertical rods 52 on the two adjacent I-shaped steels 4 are cross-connected through two inclined rods, the inclined rods are detachably connected with the vertical rods 52 through the pipe buckle 9, and the two inclined rods form an X shape, so that the plurality of fixing devices are more firm and shaking is prevented.

[0029] Through the unique structure of the utility model, the fixing point of the scaffold can be arranged on the support column 11 of the upper floor, and the connecting rod 7 is suspended on the floor to be constructed through the structure which is suspended downward, so that the scaffold is fixed and installed without damaging the wall body, and the fixing member does not need to be pre-buried in the building wall body 1, the utility model adopts the detachable technology, can be repeatedly used according to the construction sequence from bottom to top, has strong applicability, and the structural strength of the building wall body 1 is perfectly maintained.

[0030] In addition to the technical features described in the specification, they are known technologies of the professional technicians.

[0031] In the utility model, "upper", "lower", "left", "right", "front" and "rear" are relative positions for the convenience of describing the positional relationship, and therefore cannot be understood as absolute positions for limiting the protection scope.

[0032] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the present claims, which shall belong to the protection scope of the utility model.

Claims

1. A cantilevered external scaffolding comprising a building structure, the building structure comprising a floor and a support column, characterised in that, The fixing device comprises a U-shaped clamp, a telescopic rod, a support column, a mounting hole, a I-shaped steel, a hanging rod, a connecting rod, a vertical rod, a sliding sleeve, a locking hole, a locking bolt, a safety pin, and an inclined pull rod.

2. The cantilevered external scaffolding of claim 1, wherein, The telescopic rod comprises a fixed outer rod and a sliding inner rod.

3. The cantilevered external scaffolding of claim 2, wherein, The U-shaped clamp is provided with a fixing groove on the top end face.

4. The cantilevered external scaffolding of claim 1 or 3, wherein, The hanging rod comprises a sliding sleeve and a vertical rod.

5. A cantilevered external scaffolding arrangement according to claim 4, wherein, The vertical rod is connected with the connecting rod through a pipe buckle.

6. The cantilevered external scaffolding of claim 1 or 5, wherein, The U-shaped clamp is provided with an opening facing away from the building.

7. The cantilevered external scaffolding of claim 1, wherein, ​

Images