CN112922389A

CN112922389A - Support protection device for retaining building in demolition project and construction method

Info

Publication number: CN112922389A
Application number: CN202110101251.9A
Authority: CN
Inventors: 冯大平
Original assignee: Guangdong Shengxin Construction Co ltd
Current assignee: Guangdong Shengxin Construction Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-06-08

Abstract

The invention relates to the technical field of building construction, in particular to a supporting and protecting device and a construction method for retaining a building in a demolition project, wherein the supporting and protecting device for retaining the building in the demolition project comprises a building body and a supporting component; a bottom plate is fixedly connected to the bottom of the building body; the supporting assemblies are arranged at the top of the bottom plate, hinged with the side wall of the building body and provided with a plurality of supporting assemblies; the supporting assembly comprises a rectangular block, a sliding mechanism, a supporting mechanism and a connecting rod; the rectangular block is fixedly connected to the top of the bottom plate, and a groove is formed in the top of the rectangular block; the sliding mechanism is arranged in the groove; one end of the connecting rod is hinged with the side wall of the building body; one end of the supporting mechanism is fixedly connected with the end part of the connecting rod, and the other end of the supporting mechanism is hinged with the sliding mechanism; the supporting assembly provides supporting force for the building body, and the shaking amplitude of the building body is reduced, so that the building body is supported and protected.

Description

Support protection device for retaining building in demolition project and construction method

Technical Field

The invention relates to the technical field of building construction, in particular to a supporting and protecting device for retaining a building in a demolition project and a construction method.

Background

The demolition engineering refers to an engineering for demolishing an already built or partially built building or structure, and is divided into total demolition and partial demolition according to the demolition degree, and as the urban modern construction in China is accelerated, the demolition engineering of old buildings is increased day by day.

In the prior art, in the process of demolishing a building, the demolished building can vibrate greatly when collapsed, the building remained in the demolishing process can shake in the vibrating process, and when the shaking amplitude is large, the remained building is prone to toppling.

Disclosure of Invention

The invention aims to overcome the defects that in the prior art, in the process of dismantling a building, the dismantled building collapses to generate large vibration, the building remained in the dismantling process shakes in the vibration process, and the remained building is easy to topple when the shaking amplitude is large, so that the supporting and protecting device and the construction method for the remained building in the dismantling engineering are provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a supporting and protecting device for retaining a building in a demolition project, which comprises a building body and a supporting component, wherein the building body is provided with a supporting hole; a bottom plate is fixedly connected to the bottom of the building body; the supporting assemblies are arranged at the top of the bottom plate, hinged with the side wall of the building body and provided with a plurality of supporting assemblies; the supporting assembly comprises a rectangular block, a sliding mechanism, a supporting mechanism and a connecting rod; the rectangular block is fixedly connected to the top of the bottom plate, and a groove is formed in the top of the rectangular block; the sliding mechanism is arranged in the groove; one end of the connecting rod is hinged with the side wall of the building body; one end of the supporting mechanism is fixedly connected with the end part of the connecting rod, and the other end of the supporting mechanism is hinged with the sliding mechanism; the during operation, carrying out the in-process of demolising of building, for avoiding causing the destruction to keeping the building, need support the protection to the building that keeps, demolising the in-process, the building collapses and can produce great vibrations, keeps the building and easily emptys at vibrations in-process, supports the building body through setting up supporting component in the building body outside, avoids the building body to produce great rocking and arouses to topple over at vibrations in-process.

Further, the supporting mechanism comprises a bar-shaped block, a motor, a transmission part and a sliding rod; one end of the sliding rod is hinged to the top of the sliding mechanism; the bar-shaped block is sleeved on the outer side wall of the sliding rod, the outer side wall of the bar-shaped block is fixedly connected with the end part of the connecting rod, and a cavity is arranged in the bar-shaped block; a chute is arranged on the side wall of the cavity; the sliding groove is in sliding fit with the outer side wall of the sliding rod; the motor is fixedly connected to the outer side wall of the bar-shaped block; the transmission part is arranged in the cavity, is fixedly connected with the output end of the motor and is connected with the inner side wall of the slide rod through a ball screw nut pair; during operation, when rocking the building body, the motor is started, the motor drives the rotating shaft to rotate, so that the first bevel gear is driven to rotate, the first bevel gear is meshed with the second bevel gear, the second bevel gear and the screw rod are driven to rotate, a sliding rod is sleeved on the outer side wall of the screw rod and is connected with the screw rod through a ball screw nut pair, and the sliding rod is driven to slide along the outer side wall of the screw rod and gradually extend into the sliding groove in the rotating process of the screw rod.

Further, the transmission part comprises a rotating shaft, a first bevel gear, a screw rod and a second bevel gear; the rotating shaft is fixedly connected with the output end of the motor; the first bevel gear is fixedly connected with the end part of the rotating shaft far away from the motor; the screw rod is rotatably connected to the inner side wall of the cavity; the second bevel gear is fixedly connected to the outer side wall of the screw rod and meshed with the first bevel gear; one end of the sliding rod is sleeved on the outer side wall of the screw rod and is connected with the screw rod through a ball screw nut pair; the during operation, in the support protection process that carries out the building body, the starter motor, the motor drives the pivot and rotates, thereby drive first bevel gear and rotate, first bevel gear meshes with second bevel gear again, thereby drive second bevel gear and lead screw and rotate, a slide bar pot head is established on the lead screw lateral wall again, be ball screw nut pair connection with the lead screw, in the lead screw rotation process, drive the slide bar and slide along the lead screw lateral wall, and stretch into inside the spout gradually, the slide bar slides in-process and drives the connecting rod and swing, and make the slider slide along the straight-bar lateral wall, thereby support the building body lateral wall, avoid the building body because the too big empting that causes of rocking range.

Further, the sliding mechanism comprises a straight rod and a sliding block; the straight rods are fixedly connected to the inner side walls of the grooves and are provided with a pair of straight rods; the sliding block is sleeved on the outer side wall of the straight rod and is in sliding fit with the straight rod; the end part of the sliding rod is hinged to the top of the sliding block; the during operation, at the in-process of demolising of building, the building body is owing to receive great vibrations to produce and rock, when the amplitude of rocking is too big, easily cause the building body to empty, rock the in-process at the building body, drive the connecting rod swing, thereby make the slider slide along the direction of keeping away from the building body, drive the slider through supporting mechanism and slide towards the direction of building body, thereby reduce the amplitude that the building body rocked, play the effect of support protection to the building body.

Further, a lubricating mechanism is arranged inside the cavity; the lubricating mechanism comprises a cam, an oil bag, a base plate and an oil nozzle; the base plate is fixedly connected to the inner side wall of the cavity; the oil nozzle is fixedly connected to the bottom of the base plate; the oil bag is fixedly connected to the inner side wall of the bottom end of the cavity, and the inside of the oil bag is communicated with the oil nozzle; the cam is fixedly connected to the outer side wall of the screw rod and is in contact with the oil bag; a sponge block is fixedly connected to the inner side wall of the bottom end of the cavity; the during operation, the lead screw is at the rotation in-process, drive the cam and rotate, thereby extrude the oil bag, make the inside lubricating oil of oil bag spout from the fuel sprayer of backing plate bottom, thereby lubricate second bevel gear, at first bevel gear and second bevel gear meshing's in-process, lubricate first bevel gear, thereby reduce the wearing and tearing of first bevel gear and second bevel gear, improve its life, the sponge piece of cavity bottom inside wall absorbs unnecessary drippage's lubricating oil, thereby keep the inside clean of cavity.

A construction method for retaining a building in a demolition work is suitable for the support and protection device for retaining a building in a demolition work, and comprises the following steps:

s1: exploring the building group to be demolished, distinguishing the building to be demolished from the reserved building, and recording;

s2: arranging a supporting and protecting device of the reserved building on the outer surface of the reserved building to support and protect the reserved building and avoid the reserved building from being damaged in the dismantling process;

s3: and dismantling the building to be dismantled, dismantling the support protection device on the surface of the reserved building after the dismantling is finished, and repairing the surface of the reserved building.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the cooperation of the building body, the bottom plate, the rectangular block, the straight rod, the sliding block, the strip-shaped block, the motor, the rotating shaft, the first bevel gear, the screw rod, the second bevel gear, the sliding rod and the connecting rod, the connecting rod provides supporting force for the building body, so that the shaking amplitude of the building body is reduced, the building body is supported and protected, and the building body is prevented from being toppled due to overlarge shaking amplitude.

2. The lead screw is rotating the in-process, drives the cam and rotates for the inside lubricating oil of cam extrusion oil pocket is from the fuel sprayer blowout of backing plate bottom, thereby lubricates second bevel gear, at first bevel gear and second bevel gear meshing's in-process, lubricates first bevel gear, thereby reduces the wearing and tearing of first bevel gear and second bevel gear, improves its life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a three-dimensional view of the support and protection device of the present invention for retaining a building during a demolition work;

FIG. 2 is a front view of the support and protection device for retaining a building in a demolition work according to the present invention;

FIG. 3 is a partial cross-sectional view of a bar block of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a block flow diagram of a construction method for demolition of a remaining building in a project according to the present invention;

illustration of the drawings:

1. a building body; 11. a base plate; 2. a support assembly; 21. a rectangular block; 211. a groove; 22. a sliding mechanism; 221. a straight rod; 222. a slider; 23. a support mechanism; 231. a bar-shaped block; 232. a motor; 233. a transmission member; 2331. a rotating shaft; 2332. a first bevel gear; 2333. a screw rod; 2334. a second bevel gear; 234. a slide bar; 235. a cavity; 236. a chute; 237. a sponge block; 24. a connecting rod; 3. a lubrication mechanism; 31. a cam; 32. an oil pocket; 33. a base plate; 34. an oil nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1-5, a supporting and protecting device for retaining a building in a demolition work includes a building body 1 and a supporting assembly 2; a bottom plate 11 is fixedly connected to the bottom of the building body 1; the supporting components 2 are arranged at the top of the bottom plate 11, hinged with the side wall of the building body 1 and provided with a plurality of supporting components; the supporting component 2 comprises a rectangular block 21, a sliding mechanism 22, a supporting mechanism 23 and a connecting rod 24; the rectangular block 21 is fixedly connected to the top of the bottom plate 11, and the top of the rectangular block is provided with a groove 211; the sliding mechanism 22 is arranged inside the groove 211; one end of the connecting rod 24 is hinged with the side wall of the building body 1; one end of the supporting mechanism 23 is fixedly connected with the end part of the connecting rod 24, and the other end of the supporting mechanism is hinged with the sliding mechanism 22; the during operation, carrying out the in-process of demolising of building, for avoiding causing the destruction to keeping the building, need support the protection to the building that keeps, demolising the in-process, the building collapses and can produce great vibrations, keeps the building and easily emptys at vibrations in-process, supports building body 1 through setting up supporting component 2 in building body 1 outside, avoids building body 1 to produce great rocking and arouses to empty at vibrations in-process.

As an embodiment of the present invention, the supporting mechanism 23 includes a bar block 231, a motor 232, a transmission member 233, and a slide bar 234; one end of the sliding rod 234 is hinged on the top of the sliding mechanism 22; the bar-shaped block 231 is sleeved on the outer side wall of the sliding rod 234, the outer side wall of the bar-shaped block is fixedly connected with the end part of the connecting rod 24, and a cavity 235 is arranged in the bar-shaped block; a chute 236 is arranged on the side wall of the cavity 235; the sliding groove 236 is in sliding fit with the outer side wall of the sliding rod 234; the motor 232 is fixedly connected to the outer side wall of the bar block 231; the transmission part 233 is arranged in the cavity 235, is fixedly connected with the output end of the motor 232, and is connected with the inner side wall of the slide rod 234 through a ball screw nut pair; when the building body 1 shakes during work, the motor 232 is started, the motor 232 drives the rotating shaft 2331 to rotate, so that the first bevel gear 2332 is driven to rotate, the first bevel gear 2332 is meshed with the second bevel gear 2334, so that the second bevel gear 2334 and the screw rod 2333 are driven to rotate, one end of the sliding rod 234 is sleeved on the outer side wall of the screw rod 2333 and is connected with the screw rod 2333 through a ball screw nut pair, and the sliding rod 234 is driven to slide along the outer side wall of the screw rod 2333 and gradually extend into the sliding groove 236 in the rotating process of the screw rod 2333.

As an embodiment of the present invention, the transmission member 233 includes a rotation shaft 2331, a first bevel gear 2332, a screw 2333, and a second bevel gear 2334; the rotating shaft 2331 is fixedly connected with the output end of the motor 232; the first bevel gear 2332 is fixedly connected with the end part of the rotating shaft 2331 far away from the motor 232; the screw rod 2333 is rotatably connected to the inner side wall of the cavity 235; the second bevel gear 2334 is fixedly connected to the outer side wall of the screw rod 2333 and is meshed with the first bevel gear 2332; one end of the sliding rod 234 is sleeved on the outer side wall of the screw rod 2333 and is connected with the screw rod 2333 through a ball screw nut pair; in the working process, in the process of supporting and protecting the building body 1, the motor 232 is started, the motor 232 drives the rotating shaft 2331 to rotate, so as to drive the first bevel gear 2332 to rotate, the first bevel gear 2332 is meshed with the second bevel gear 2334, so as to drive the second bevel gear 2334 and the screw rod 2333 to rotate, one end of the slide rod 234 is sleeved on the outer side wall of the screw rod 2333 and is connected with the screw rod 2333 through a ball screw nut pair, in the rotating process of the screw rod 2333, the slide rod 234 is driven to slide along the outer side wall of the screw rod 2333 and gradually extend into the chute 236, in the sliding process of the slide rod 234, the connecting rod 24 is driven to swing, and the slide block 222 is driven to slide along the outer side wall of the straight rod 221, so as to support the outer side wall of the building body.

As an embodiment of the present invention, the sliding mechanism 22 includes a straight rod 221 and a slider 222; the straight rods 221 are fixedly connected to the inner side walls of the grooves 211 and are provided with a pair; the sliding block 222 is sleeved on the outer side wall of the straight rod 221 and is in sliding fit with the straight rod 221; the end of the sliding rod 234 is hinged on the top of the sliding block 222; the during operation, at the dismantlement in-process of building, building body 1 is owing to receive great vibrations to produce and rocks, when the amplitude of rocking is too big, easily cause building body 1 to empty, rock the in-process at building body 1, drive connecting rod 24 swing, thereby make slider 222 slide along the direction of keeping away from building body 1, it slides towards building body 1's direction to drive slider 222 through supporting mechanism 23, thereby reduce the amplitude that building body 1 rocked, play the effect of support protection to building body 1.

As an embodiment of the present invention, a lubricating mechanism 3 is disposed inside the cavity 235; the lubricating mechanism 3 comprises a cam 31, an oil bag 32, a backing plate 33 and an oil nozzle 34; the backing plate 33 is fixedly connected to the inner side wall of the cavity 235; the oil nozzle 34 is fixedly connected to the bottom of the backing plate 33; the oil bag 32 is fixedly connected to the inner side wall of the bottom end of the cavity 235, and the inside of the oil bag is communicated with the oil nozzle 34; the cam 31 is fixedly connected to the outer side wall of the screw rod 2333 and is contacted with the oil bag 32; a sponge block 237 is fixedly connected to the inner side wall of the bottom end of the cavity 235; during operation, the screw rod 2333 drives the cam 31 to rotate in the rotating process so as to extrude the oil bag 32, so that the lubricating oil in the oil bag 32 is sprayed out from the oil nozzle 34 at the bottom of the backing plate 33, so as to lubricate the second bevel gear 2334, and in the process of meshing the first bevel gear 2332 with the second bevel gear 2334, the first bevel gear 2332 is lubricated, so as to reduce the abrasion of the first bevel gear 2332 and the second bevel gear 2334, so as to prolong the service life of the lubricating oil, and the sponge block 237 on the inner side wall at the bottom end of the cavity 235 absorbs the excessive dropping lubricating oil, so as to keep the interior of the cavity 235 clean.

The working principle is as follows: in the process of dismantling the building, in order to avoid causing damage to the reserved building, the reserved building needs to be supported and protected, in the process of dismantling, the building collapses to generate large vibration, the reserved building is easy to generate large vibration in the vibration process, when the vibration amplitude is too large, the building body 1 is easy to tilt, in the process of shaking the building body 1, the connecting rod 24 is driven to swing, so that the sliding block 222 slides along the direction away from the building body 1, at the moment, the motor 232 is started, the motor 232 drives the rotating shaft 2331 to rotate, so as to drive the first bevel gear 2332 to rotate, the first bevel gear 2332 is meshed with the second bevel gear 2334, so as to drive the second bevel gear 2334 and the screw rod 2333 to rotate, one end of the sliding rod 234 is sleeved on the outer side wall of the screw rod 2333 and is connected with the screw rod 2333 as a ball screw nut pair, during the rotation of the screw rod 2333, the slide rod 234 is driven to slide along the outer side wall of the screw rod 2333 and gradually extend into the slide groove 236, the slide block 222 is driven to slide towards the building body 1 during the sliding of the slide rod 234, so that the connecting rod 24 has a certain supporting effect on the building body 1, thereby reducing the shaking amplitude of the building body 1, thereby supporting and protecting the building body 1, and during the rotation of the screw rod 2333, the cam 31 is driven to rotate, thereby the cam 31 presses the oil bag 32, so that the lubricating oil in the oil bag 32 is sprayed out from the oil nozzle 34 at the bottom of the backing plate 33, lubricating the second bevel gear 2334, during the meshing of the first bevel gear 2332 and the second bevel gear 2334, the first bevel gear 2332 is lubricated, thereby reducing the wear of the first bevel gear 2332 and the second bevel gear 2334, and prolonging the service life thereof, the sponge block 237 at the inner side wall of the bottom end of the cavity 235 absorbs the excess dripping lubricant, thereby keeping the interior of the cavity 235 clean.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A support and protection device for retaining buildings in demolition works, characterized by comprising a building body (1) and a support assembly (2); a bottom plate (11) is fixedly connected to the bottom of the building body (1); the supporting components (2) are arranged at the top of the bottom plate (11), hinged with the side wall of the building body (1) and provided with a plurality of supporting components;

the supporting component (2) comprises a rectangular block (21), a sliding mechanism (22), a supporting mechanism (23) and a connecting rod (24); the rectangular block (21) is fixedly connected to the top of the bottom plate (11), and a groove (211) is formed in the top of the rectangular block; the sliding mechanism (22) is arranged inside the groove (211); one end of the connecting rod (24) is hinged with the side wall of the building body (1); one end of the supporting mechanism (23) is fixedly connected with the end part of the connecting rod (24), and the other end of the supporting mechanism is hinged with the sliding mechanism (22).

2. A support and protection device for retaining a building in demolition work according to claim 1, characterized in that the support mechanism (23) comprises a bar block (231), a motor (232), a transmission member (233) and a slide bar (234); one end of the sliding rod (234) is hinged to the top of the sliding mechanism (22); the strip-shaped block (231) is sleeved on the outer side wall of the sliding rod (234), the outer side wall of the strip-shaped block is fixedly connected with the end part of the connecting rod (24), and a cavity (235) is arranged in the strip-shaped block; a sliding groove (236) is arranged on the side wall of the cavity (235); the sliding groove (236) is in sliding fit with the outer side wall of the sliding rod (234); the motor (232) is fixedly connected to the outer side wall of the bar-shaped block (231); the transmission component (233) is arranged in the cavity (235), is fixedly connected with the output end of the motor (232), and is connected with the inner side wall of the sliding rod (234) through a ball screw nut pair.

3. The support protector for the retention of buildings in demolition works as claimed in claim 2, characterized by that the transmission part (233) comprises a rotation shaft (2331), a first bevel gear (2332), a lead screw (2333) and a second bevel gear (2334); the rotating shaft (2331) is fixedly connected with the output end of the motor (232); the first bevel gear (2332) is fixedly connected with the end part of the rotating shaft (2331) far away from the motor (232); the screw rod (2333) is rotatably connected to the inner side wall of the cavity (235); the second bevel gear (2334) is fixedly connected to the outer side wall of the screw rod (2333) and is meshed with the first bevel gear (2332); one end of the sliding rod (234) is sleeved on the outer side wall of the screw rod (2333) and is connected with the screw rod (2333) through a ball screw nut pair.

4. A support and protection device for retaining buildings in demolition works according to claim 3, characterized by the fact that the sliding mechanism (22) comprises a straight rod (221) and a sliding block (222); the straight rods (221) are fixedly connected to the inner side walls of the grooves (211) and are provided with a pair; the sliding block (222) is sleeved on the outer side wall of the straight rod (221) and is in sliding fit with the straight rod (221); the end of the sliding rod (234) is hinged on the top of the sliding block (222).

5. A support and protection device for retaining a building in demolition work according to claim 4 characterized in that inside the cavity (235) there are lubricating means (3); the lubricating mechanism (3) comprises a cam (31), an oil bag (32), a base plate (33) and an oil nozzle (34); the backing plate (33) is fixedly connected to the inner side wall of the cavity (235); the oil nozzle (34) is fixedly connected to the bottom of the backing plate (33); the oil bag (32) is fixedly connected to the inner side wall of the bottom end of the cavity (235), and the inside of the oil bag is communicated with the oil nozzle (34); the cam (31) is fixedly connected to the outer side wall of the screw rod (2333) and is in contact with the oil bag (32); a sponge block (237) is fixedly connected to the inner side wall of the bottom end of the cavity (235).

6. A construction method for retaining a building in a demolition work, which is applied to the supporting and protecting apparatus for retaining a building in a demolition work according to any one of claims 1 to 5, and which comprises the steps of: