Cantilever structure of high-rise building

Abstract

The utility model relates to a high-rise building overhanging structure, which belongs to the technical field of building construction and comprises an overhanging beam, a fixing plate, a fixing screw rod and a hoisting piece, the hoisting piece comprises a hoisting plate, the outer end of the hoisting plate is provided with an L-shaped supporting plate matched with the outer end part of the overhanging beam and the bottom of an upper wing plate of the hoisting plate, and the middle of the supporting plate is provided with an avoiding opening. A chain is hinged to the inner end of the hoisting plate, a supporting seat is hinged to the other end of the chain, a tensioning screw is fixed to the inner end of the supporting seat, the tensioning screw penetrates through the building outer wall to be provided with a locking nut, and a tensioning adjusting mechanism is arranged on the chain. Through the arrangement of the hoisting and pulling plate and the supporting plate which are matched with the top of the outer end of the cantilever beam, the outer end of the cantilever beam can be hoisted and pulled, so that the cantilever beam is more stable, the contact at the hoisting and pulling position is surface contact, the cantilever beam is not easy to break, and in addition, the avoiding opening for avoiding the web of the cantilever beam is formed in the supporting plate. And the supporting plate can be clamped at the end part of the web of the cantilever beam, so that the hoisting effect is better.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, especially relates to a high-rise building cantilever structure. BACKGROUND

[0002] There are many high-altitude large cantilever steel structures in high-rise building modeling design, the traditional cantilever frame installation mode is that a section of sectional steel beam is reserved to extend into the room and is fixed, and another section of sectional steel beam extends to the outside through the wall, the installation mode occupies a large space in the room, and when the sectional steel beam penetrates the wall, the original structure of the wall is damaged, resulting in that a large area of holes needs to be repaired after the sectional steel beam is removed, and the wall is prone to seepage and leakage. Therefore, some cantilever structures currently install cantilever beams on the building outer wall through a base plate, and then use a hoisting and pulling component to pull and fix the cantilever beam, so as to ensure the installation and fixation of the cantilever beam, reduce the damage to the building outer wall, and reduce the occurrence of the seepage and leakage of the building outer wall. However, the hoisting and pulling point of the cantilever structure is welded and fixed with a pulling ring at a position close to the outer end of the cantilever beam, the welding point of the pulling ring is small, the hoisting and pulling point is prone to breakage, and the hoisting and pulling position is away from the end of the cantilever beam by a distance, which affects the stability of the cantilever beam. SUMMARY

[0003] The utility model mainly solves the technical problem in the above background art, and provides a high-rise building cantilever structure.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme, a high-rise building cantilever structure, including the I-shaped cantilever beam for being connected with the building outer wall, the inner end of the cantilever beam is welded and fixed with a fixed plate, the fixed plate is fixed on the building outer wall through a fixed screw rod, the top outer side of the cantilever beam is connected with a hoisting and pulling component, the upper end of the hoisting and pulling component is fixed on the building outer wall, the hoisting and pulling component includes a hoisting and pulling plate installed at the top of the outer end of the cantilever beam, the outer end of the hoisting and pulling plate is provided with an L-shaped supporting plate matched with the outer end of the cantilever beam and the bottom of the upper flange plate, the middle of the supporting plate is provided with an avoiding opening avoiding the web of the cantilever beam, the inner end of the hoisting and pulling plate is hingedly connected with a chain, the other end of the chain is hingedly connected with a supporting seat, the inner end of the supporting seat is fixed with a tensioning screw rod, the tensioning screw rod is installed with a locking nut through the building outer wall, and a tensioning adjusting mechanism is arranged on the chain.

[0005] As a kind of preferred, the chain includes upper chain and lower chain, and the tensioning adjusting mechanism includes square adjusting frame plate, the lower end of the adjusting frame plate is fixed with the lifting lug connected with the lower chain, the upper end of the adjusting frame plate is provided with adjusting hole, adjusting screw rod is arranged in the adjusting hole, adjusting nut is arranged on the adjusting screw rod up and down in the adjusting hole, the upper end of the adjusting screw rod is connected with the upper chain, the position of adjusting nut on the adjusting screw rod can be screwed, so as to adjust the tensioning degree of the chain, and the adjustment is more convenient and fast.

[0006] As a kind of preferred, the upper end of adjusting screw is fixed with pull ring, and connecting pin is arranged in the hole of pull ring, U-shaped connecting frame is fixedly connected with connecting pin, and the upper end of connecting frame is connected with upper chain, and connection is convenient.

[0007] As a kind of preferred, the lower end of lower chain is connected with U-shaped hanging buckle one, and hanging buckle one is rotatably installed on hanging plate by pin, and the upper end of upper chain is connected with U-shaped hanging buckle two, and hanging buckle two is rotatably installed on supporting seat, so that the connection of upper chain and lower chain is facilitated.

[0008] As a kind of preferred, the bottom of supporting plate is provided with limiting column, and limiting column is fixed on web of cantilever beam, so that the falling of supporting plate during use is better prevented.

[0009] As a kind of preferred, reinforcing rib plate is fixed between the inner end of cantilever beam and fixed plate, so that the structure of cantilever beam is more stable.

[0010] As a kind of preferred, the bottom of fixed plate is provided with limiting top plate, the top inner side of limiting top plate is provided with clamping boss, the building outer wall is provided with clamping groove matched with clamping boss, the bottom of limiting top plate is provided with fixed flange, and fastening bolt for fixing the fixed flange on building outer wall is arranged on the fixed flange, the bottom of fixed plate can be pressed by limiting top plate, the limiting top plate is more firm, and the limiting top plate can be clamped in clamping groove through clamping boss, and then fixed through fastening bolt, so that the limiting top plate is more firmly fixed.

[0011] The utility model has the following beneficial effects:

[0012] The outer end of cantilever beam can be hung and pulled by setting hanging plate and supporting plate matched with the top of outer end of cantilever beam, so that the cantilever beam is more stable, and the contact at hanging and pulling position is surface contact, and is not easy to break, and the avoiding opening for avoiding web of cantilever beam is arranged on supporting plate, the supporting plate can be clamped at the position of web end of cantilever beam, and the hanging effect is better. DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in prior art, the following will briefly introduce the drawings needed to be used in the description of embodiments or prior art. Obviously, the drawings in the following description are only exemplary, and other drawings can be obtained by the provided drawings without creative labor for those skilled in the art.

[0014] The structure, proportion, size and the like disclosed in the specification are merely used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not have technical substantive significance, and do not have the function of limiting the conditions that can be implemented by the utility model, so any modification of the structure, change of the proportion relationship or adjustment of the size, which does not affect the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a front view structural schematic diagram of the utility model; Figure 1

[0017] Figure 3 It is a side view structural schematic diagram of the hanging and pulling plate and the supporting plate;

[0018] Legend: 1, building outer wall; 2, tensioning screw rod; 3, fixed screw rod; 4, fixed plate; 5, cantilever beam; 6, supporting seat; 7, hanging buckle two; 8, connecting frame; 9, upper locking chain; 10, adjusting screw rod; 11, adjusting frame plate; 12, lower locking chain; 13, hanging buckle one; 14, hanging and pulling plate; 15, supporting plate; 16, limiting column; 17, reinforcing rib plate; 18, clamping convex table; 19, limiting top plate; 20, fixed flange; 21, fastening bolt; 22, avoiding opening. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment one: as Figure 1 - to Figure 3 ​The utility model discloses a kind of high-rise building cantilever structures, including the I-shaped cantilever beam 5 for being connected with building outer wall 1, the inner end of cantilever beam 5 is welded and fixed with fixed plate 4, fixed plate 4 is fixed on building outer wall 1 by fixed screw rod 3, the top outside of cantilever beam 5 is connected with hanging pull piece, the upper end of hanging pull piece is fixed on building outer wall 1, and hanging pull piece includes the hanging pull plate 14 installed in the top of the outer end of cantilever beam 5, the outer end of hanging pull plate 14 is equipped with the L-shaped supporting plate 15 matched with the outer end of cantilever beam 5 and the bottom of its upper flange, the middle of supporting plate 15 is equipped with the avoiding opening 22 avoiding the web of cantilever beam 5, and the inner end of hanging pull plate 14 is hinged with chain, and the other end of chain is hinged with support seat 6, and the inner end of support seat 6 is fixed with tensioning screw rod 2, and tensioning screw rod 2 is installed with locking nut through building outer wall 1, and tensioning adjusting mechanism is equipped on chain.

[0021] When using, fixed plate 4 is fixed on the outside wall of building outer wall 1 by fixed screw rod 3 after drilling hole on building outer wall 1, then supporting plate 15 is inserted from the top of the outer end of cantilever beam 5, and avoiding opening 22 is aligned at the web of cantilever beam 5, then tensioning screw rod 2 is inserted into the pull hole on building outer wall 1 and the locking nut is tightened, and then tensioning adjusting mechanism is tensioned chain, and the installation and fixation of cantilever beam 5 are completed.

[0022] In the second embodiment, based on the first embodiment, the chain includes upper chain 9 and lower chain 12, and the tensioning adjusting mechanism includes square adjusting frame plate 11, the lower end of adjusting frame plate 11 is fixed with hanging ear connected with lower chain 12, the upper end of adjusting frame plate 11 is provided with adjusting hole, adjusting hole is provided with adjusting screw rod 10, adjusting screw rod 10 is provided with adjusting nut above and below adjusting hole, and the upper end of adjusting screw rod 10 is connected with upper chain 9. Four fixed screw rods 3 are arranged at the four corners of fixed plate 4. When the chain needs to be tensioned, the position of adjusting nut on adjusting screw rod 10 on both sides of adjusting hole is rotated, so that the tension of the chain is adjusted.

[0023] The upper end of adjusting screw rod 10 is fixed with pull ring, the inner hole of pull ring is provided with connecting pin shaft, the connecting pin shaft is fixedly connected with U-shaped connecting frame 8, and the upper end of connecting frame 8 is connected with upper chain 9.

[0024] The lower end of lower chain 12 is connected with U-shaped hanging buckle one 13, and the hanging buckle one 13 is rotatably installed on hanging pull plate 14 through pin shaft, and the upper end of upper chain 9 is connected with U-shaped hanging buckle two 7, and the hanging buckle two 7 is rotatably installed on support seat 6 through pin shaft.

[0025] The bottom of supporting plate 15 is provided with limiting column 16, and the limiting column 16 is fixed on the web of cantilever beam 5.

[0026] The inner end of cantilever beam 5 and fixed plate 4 are fixed with reinforcing rib plate 17.

[0027] The bottom of the fixed plate 4 is provided with a limiting top plate 19, the inner side of the top of the limiting top plate 19 is provided with a clamping boss 18, the building outer wall 1 is provided with a clamping groove matched with the clamping boss 18, the bottom of the limiting top plate 19 is provided with a fixed flange 20, the fixed flange 20 is provided with a fastening bolt 21 for fixing the fixed flange 20 on the building outer wall 1. After the cantilever beam 5 is installed and fixed, the clamping boss 18 of the limiting top plate 19 is clamped into the clamping groove, then the limiting top plate 19 is fixed on the building outer wall 1 by the fastening bolt 21, and the top of the limiting top plate 19 is in contact with the bottom of the fixed plate 4.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed for protection. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cantilever structure for a high-rise building, comprising an I-shaped cantilever beam (5) for connection to an exterior wall (1) of the building, wherein a fixing plate (4) is welded and fixed to the inner end of the cantilever beam (5), the fixing plate (4) is fixed to the exterior wall (1) of the building by fixing screws (3), and a sling is connected to the outer side of the top of the cantilever beam (5), the upper end of the sling being fixed to the exterior wall (1), characterized in that: The hanging and pulling piece comprises a hanging and pulling plate (14) installed on the top of the outer end of the cantilever beam (5), the outer end of the hanging and pulling plate (14) is provided with an L-shaped supporting plate (15) matched with the outer end of the cantilever beam (5) and the bottom of the upper flange plate, the middle of the supporting plate (15) is provided with an avoiding opening (22) avoiding the web plate of the cantilever beam (5), the inner end of the hanging and pulling plate (14) is hingedly connected with a chain, the other end of the chain is hingedly connected with a supporting seat (6), the inner end of the supporting seat (6) is fixedly connected with a tensioning screw (2), the tensioning screw (2) is installed with a locking nut through the building outer wall (1), and the chain is provided with a tensioning adjusting mechanism.

2. A high-rise building overhanging structure according to claim 1, characterized in that: The chain comprises an upper chain (9) and a lower chain (12), the tensioning adjusting mechanism comprises a square adjusting frame plate (11), the lower end of the adjusting frame plate (11) is fixedly connected with a hanging lug connected with the lower chain (12), the upper end of the adjusting frame plate (11) is provided with an adjusting hole, the adjusting hole is provided with an adjusting screw (10), the adjusting screw (10) is provided with adjusting nuts above and below the adjusting hole, and the upper end of the adjusting screw (10) is connected with the upper chain (9).

3. A high-rise building overhanging structure according to claim 2, characterized in that: The upper end of the adjusting screw (10) is fixedly connected with a pull ring, the pull ring is provided with a connecting pin shaft in the hole, the connecting pin shaft is fixedly connected with a U-shaped connecting frame (8), and the upper end of the connecting frame (8) is connected with the upper chain (9).

4. The cantilever structure of a high-rise building according to claim 2, wherein: The lower end of the lower chain (12) is connected with a U-shaped hanging buckle one (13), the hanging buckle one (13) is rotatably installed on the hanging and pulling plate (14) through a pin shaft, the upper end of the upper chain (9) is connected with a U-shaped hanging buckle two (7), and the hanging buckle two (7) is rotatably installed on the supporting seat (6) through a pin shaft.

5. The cantilever structure of a high-rise building according to claim 1, wherein: The bottom of the supporting plate (15) is provided with a limiting column (16), and the limiting column (16) is fixed on the web plate of the cantilever beam (5).

6. The cantilever structure of a high-rise building according to claim 1, wherein: The inner end of the cantilever beam (5) and the fixed plate (4) are fixedly connected with a reinforcing rib plate (17).

7. The cantilever structure of a high-rise building according to claim 1, wherein: The bottom of the fixed plate (4) is provided with a limiting top plate (19), the top inner side of the limiting top plate (19) is provided with a clamping boss (18), the building outer wall (1) is provided with a clamping groove matched with the clamping boss (18), the bottom of the limiting top plate (19) is provided with a fixed flange (20), and the fixed flange (20) is provided with a fastening bolt (21) fixed on the building outer wall (1).

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