CN211447873U

CN211447873U - Chimney reinforcing device

Info

Publication number: CN211447873U
Application number: CN201921766929.XU
Authority: CN
Inventors: 孙晓阳; 于健伟; 边辉; 王延生; 唐鑫坤; 吴光辉; 杨腾; 吉祥
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-09-08
Anticipated expiration: 2029-10-21

Abstract

The utility model relates to a chimney reinforcing device, which comprises a first filling structure filled in a chimney crack; a plurality of vertical straps which are vertically attached and fixed on the outer wall of the chimney; and the horizontal hoops are arranged on a plurality of annular hooping bands of the vertical hooping band, and the circumferences of the annular hooping bands are adjustable. The utility model has the advantages that: the first filling structure is adopted to fill cracks of the chimney, and the vertical strap and the horizontal strap which are attached to and fixed on the outer wall of the chimney are utilized to be hooped on the annular strap of the vertical strap, so that the vertical strap and the annular strap form a net structure wrapping the outer wall of the chimney, and the chimney is reinforced.

Description

Chimney reinforcing device

Technical Field

The utility model relates to a building construction technical field refers in particular to a chimney reinforcing apparatus.

Background

In the last 50 to 80 years, chimneys were largely constructed as indispensable structures for industrial production in order to promote production and national great-rise industrial construction. The brick chimney is widely applied to industrial and civil buildings due to the advantages of local materials, simple and convenient construction and low manufacturing cost, occupies a large proportion in the constructed chimney, and has the phenomena of material aging, barrel body cracks, foundation inclination and the like after long-term use. How to realize restoration and reuse through reinforcing and modifying the existing chimney becomes a difficult problem to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a chimney reinforcing apparatus, can solve and not consolidate the problem of transforming the structure in order to realize recycling to existing chimney among the prior art.

The technical scheme for realizing the purpose is as follows:

the utility model provides a chimney reinforcing apparatus, include:

the first filling structure is filled in the cracks of the chimney;

a plurality of vertical straps which are vertically attached and fixed on the outer wall of the chimney; and

the horizontal hoops are arranged on a plurality of annular hooping bands of the vertical hooping band, and the circumferences of the annular hooping bands are adjustable.

The beneficial effects of the utility model are that, adopt the crack of first filling structure packing chimney to utilize the subsides to establish and be fixed in the vertical strap and the horizontal hoop of chimney outer wall in the hoop strap of vertical strap, make vertical strap and hoop strap constitute the network structure who wraps up the chimney outer wall, thereby consolidate the chimney.

The utility model discloses chimney reinforcing apparatus's further improvement lies in, vertical strap is the BAR spare that leads to the length, and a plurality of vertical strap are followed the circumference interval of chimney outer wall sets up.

The utility model discloses chimney reinforcing apparatus's further improvement lies in, the hoop strap includes two semi-arc's strap sections, and the tip that two strap sections correspond passes through length-adjustable's adjusting part and connects, through adjusting thereby adjusting part's length the girth of hoop strap.

The utility model discloses chimney reinforcing apparatus's further improvement lies in, the adjusting part includes a pair of L shape piece that sets up back to back and connects the screw rod of a pair of L shape piece, the L shape piece is fixed in corresponding strap section tip, just correspond on the L shape piece the connecting hole has been seted up to the screw rod, the tip of screw rod passes corresponding connecting hole and spiral shell and closes a nut, through adjusting thereby the nut spiro union is in thereby the interval between a pair of L shape piece is adjusted to position on the screw rod, and then realizes the regulation of adjusting part length.

The utility model discloses chimney reinforcing apparatus's further improvement lies in, the gasket is filled up between nut and the L shape piece that corresponds.

The utility model discloses chimney reinforcing apparatus's further improvement lies in, still includes the level hoop and locates the hoop that hangs temporarily on the brick cap at chimney top, installs during the vertical strap, the top of vertical strap is hung and is located hang temporarily on the hoop.

The utility model discloses chimney reinforcing apparatus's further improvement lies in, the brick cap that the top of vertical strap corresponds the chimney top is buckled 90 and is formed and be fixed in the bending segment at brick cap top.

The utility model discloses chimney reinforcing apparatus's further improvement lies in, first filling structure is quick-drying cement.

The utility model discloses chimney reinforcing apparatus's further improvement lies in, fill in gap between hoop strap and the vertical strap and the second filling structure in gap between hoop strap and the chimney outer wall.

Drawings

Fig. 1 is a top view of the chimney reinforcing device of the present invention.

Fig. 2 is a side view of the chimney reinforcing apparatus of the present invention.

Fig. 3 is a partially enlarged schematic view of fig. 2.

Fig. 4 is the structure schematic diagram of the adjusting component in the chimney reinforcing apparatus of the present invention.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1, the utility model provides a chimney reinforcing apparatus can consolidate the brick chimney and recycle. The chimney reinforcing device of the present invention is described with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses chimney reinforcing apparatus sets up on chimney 1, and this reinforcing apparatus includes: the first filling structure filled in the cracks of the chimney, the plurality of vertical bands 2 vertically attached to and fixed on the outer wall of the chimney 1, the plurality of annular bands 3 horizontally hooped on the vertical bands 2, and the second filling structure 6 filled in the gaps between the annular bands 3 and the vertical bands 2 and between the annular bands 3 and the outer wall of the chimney 1. Wherein, vertical strap 2 is the BAR member of full length, and a plurality of vertical strap 2 set up along the circumference interval of 1 outer wall of chimney. The vertical band 2 and the circumferential band 3 are both flat steel bands, and are preferably high weather resistant steel bands of type Q355 GNHB.

Referring to fig. 3, chemical anchor bolts 4 are arranged at intervals on each vertical belt 2, and the vertical belt 2 is anchored into the chimney 1 through the chemical anchor bolts 4 so as to be fixed on the outer wall of the chimney 1.

As shown in fig. 1 and 4, the circumferential band 3 has an adjustable circumference. Specifically, the hoop belt 3 includes two semi-arc belt sections, corresponding ends of the two belt sections are connected by an adjustable length adjusting assembly 5, and the circumference of the hoop belt 3 is adjusted by adjusting the length of the adjusting assembly 5.

The adjustment assembly 5 includes a pair of oppositely disposed L-shaped members 10 and a threaded rod 9 connecting the pair of L-shaped members 10. The L-shaped member 10 includes a fixing piece and a connecting piece vertically arranged in an L shape, the fixing piece and the connecting piece are fixed into a whole, and one end of the fixing piece far away from the connecting piece is fixed with the end of the corresponding band section, so that the connecting pieces of the pair of L-shaped members 10 are arranged in parallel. Connecting holes are formed in the connecting pieces of the L-shaped pieces 10 corresponding to the screw rods 9, the end portions of the screw rods 9 penetrate through the corresponding connecting holes and are screwed with a nut 8, the distance between the pair of L-shaped pieces 10 is adjusted by adjusting the position of the nut 8 screwed on the screw rods 9, and then the length of the adjusting assembly 5 is adjusted. Preferably, a pair of L-shaped pieces 10 are connected by two screws 9 distributed up and down. Preferably, a gasket 7 is arranged between the nut 8 and the corresponding L-shaped member 10 to prevent the nut 8 from loosening and falling off.

In a preferred embodiment, the top of the vertical band 2 is bent 90 ° corresponding to the top of the chimney 1 and forms a bent section fixed to the top of the brick cap, and the bent section is pressed against the upper opening of the ring beam by a chemical anchor bolt.

The utility model discloses a reinforcing apparatus still includes the level hoop and locates the interim hoop that hangs on the brick cap at 1 top of chimney, and during vertical strap 2 of installation, vertical strap 2's top is hung and is located on the hoop that hangs temporarily to in fix a position vertical strap 2, and be convenient for follow-up chemical crab-bolt 4 installation fixed vertical strap 2 that utilizes. The structure of the temporary suspension hoop is the same as the hoop band 3 and thus will not be described in detail.

Preferably, the first filling structure is quick setting cement, and the surface of the first filling structure is smooth and flush with the outer wall of the chimney. The second filling structure is polymer mortar, plays the effect of bonding hoop strap and vertical strap and hoop strap and chimney outer wall, then links into an organic whole and with chimney zonulae occludens with the network structure that vertical strap formed, further promotes reinforcing apparatus's fastness.

The construction and the use process of the chimney reinforcing device of the utility model are explained below.

Firstly, the central line of the chimney outer crawling ladder is used as a datum point, ten equal positioning lines are marked on the outer walls of the upper and lower brick chimneys 1 according to an equal division principle to position the vertical strap, and corresponding marks are made on the outer walls of the upper and lower brick chimneys 1. And at the position of the brick cap at the top of the chimney, the temporary suspension hoop is fixed on the outer wall of the brick chimney 1 and serves as a temporary suspension lifting point of the vertical belt 2.

For the installation of the vertical strap 2, the vertical strap 2 above the chimney brick cap is firstly constructed, the bending section at the top of the vertical strap is fixed on the upper opening and the side surface of the top ring beam by M10 chemical anchor bolts 4, and the gap passing through the brick cap is caulked and filled by polymer mortar and quick-drying cement, so that the gap is completely filled by the polymer mortar. For the vertical strap 2 below the brick cap of the brick chimney, cleaning, leveling and repairing the working surface of the chimney adhered with the steel strap, polishing and flattening the convex part, hoisting the vertical strap 2 to the corresponding position, temporarily suspending and fixing, and then installing M10 chemical anchor bolts 4 one by one for fixing and compressing; in the installation process of the vertical strap 2, the position with a larger installation gap after being fixed is timely plugged and filled by caulking materials, so that the steel strap surface is prevented from being separated from the outer wall of the chimney.

After the vertical belt clamp 2 is installed, the annular belt clamp 3 is installed. Each hoop cuff 3 is tensioned using an adjustment assembly 5. The annular strap 3 is installed from top to bottom and is installed and tightened one by one; accurately positioning each annular steel strap, and marking at least three positions; cleaning, leveling and repairing the working surface of the chimney adhered to each annular strap, and polishing and flattening the protruded part; the hoop strap 3 marked with the corresponding marks is transported to a designated position by adopting an automobile crane or a steel wire rope plus a pulley through traction of a top working platform; the worker is conveyed to the corresponding position of the adjusting component 5 through the hanging basket, the position of the annular hoop 3 is adjusted firstly, and then the adjusting component 5 is adjusted until the annular hoop 3 is completely tightened to be tightly hooped on the outer wall of the chimney. After all the annular bands 3 are installed in place, caulking and grouting are carried out; filling polymer mortar 7 into gaps between all the annular bands 3 and the vertical bands 2; and the filling of the gaps between all the annular bands 3 and the outer wall of the chimney 1 is ensured to be compact.

The utility model discloses chimney reinforcing apparatus's beneficial effect does:

adopt the crack of first filling structure filling chimney to utilize the subsides to establish and be fixed in the vertical strap and the horizontal hoop of chimney outer wall in the hoop strap of vertical strap, make vertical strap and hoop strap constitute the network structure who wraps up the chimney outer wall, and fill the gap between hoop strap and the vertical strap and the gap between hoop strap and the chimney outer wall through second filling structure, closely bond network structure and chimney outer wall, thereby consolidate the chimney.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims

1. A chimney reinforcing apparatus, comprising:

the first filling structure is filled in the cracks of the chimney;

2. The chimney reinforcing apparatus according to claim 1, wherein the vertical bands are through-length strips, and a plurality of vertical bands are spaced circumferentially around the outer wall of the chimney.

3. The chimney reinforcing apparatus according to claim 1, wherein each of the vertical straps is provided with chemical anchors spaced apart therefrom for anchoring the vertical strap to the outer wall of the chimney.

4. The chimney reinforcing apparatus according to claim 1, wherein the circumferential band comprises two semi-arcuate band sections, respective ends of the two band sections being connected by an adjustable length adjustment assembly, the circumferential length of the circumferential band being adjusted by adjusting the length of the adjustment assembly.

5. The chimney reinforcing device according to claim 4, wherein the adjusting assembly comprises a pair of L-shaped members disposed opposite to each other and a screw rod connecting the pair of L-shaped members, the L-shaped members are fixed to the ends of the corresponding band sections, the L-shaped members are provided with connecting holes corresponding to the screw rods, the ends of the screw rods pass through the corresponding connecting holes and are screwed with a nut, and the adjusting assembly is adjusted in length by adjusting the position where the nut is screwed on the screw rod to adjust the distance between the pair of L-shaped members.

6. The chimney reinforcing apparatus according to claim 5, wherein a spacer is padded between the nut and the corresponding L-shaped member.

7. The chimney reinforcing apparatus according to claim 1, further comprising a temporary suspension hoop horizontally hooped to the top of the chimney, wherein when the vertical band is installed, the top of the vertical band is hung to the temporary suspension hoop.

8. The chimney reinforcing apparatus according to claim 1, wherein the top of the vertical band is bent 90 ° with respect to the top of the chimney and forms a bent section fixed to the top of the chimney.

9. The chimney reinforcing apparatus according to claim 1, wherein the first filler structure is quick setting cement.

10. The chimney reinforcing apparatus according to claim 1, further comprising a second filler structure filling a gap between the circumferential band and the vertical band and a gap between the circumferential band and an outer wall of the chimney.