KR102322954B1 - Support for building removal - Google Patents

Abstract

The present invention relates to a support for building demolition, for solving problems of the prior inventions. The support for the building demolition of the present invention comprises: a first support unit (100) in a shape of a steel pipe in which a hollow unit (110) is formed in a central part; and a second support unit (200) in a form of the steel pipe in which a solid core unit (210) selectively inserted toward the inner periphery of the hollow unit (110) is formed in the central part. An objective of the present invention is to effectively prevent collapse of a lower floor when demolishing a building formed of a plurality of floors.

Description

Support for building removal}

The present invention relates to a support for demolition that prevents the collapse of a lower floor when a building formed of a plurality of floors is demolished.

Patent Document 001 discloses that a column member having a flange at the upper end is coupled to the upper flange of the jack to adjust the length, and it consists of a connecting clamp fixed on the column member and a ball joint and a connecting rod whose length is adjusted, and an anti-slip means In the jack support assembly in which the movable plate formed on this surface is installed with a spring on the end of the column member, the four guide members formed at the free end of the male helix are formed on the rear edge of the movable plate, the flange of the column member and the lower flange edge of the jack provided at positions corresponding to the four holes respectively formed in the A technology related to a jack support assembly for demolition of a building, characterized in that the movable plate is installed with nine independent compression coil springs exposed on the four axes provided by the guide member from the upper side of the flange of the column member and the lower side of the lower flange of the jack is presenting

Patent Document 002 discloses a body in which a rotating handle is provided on one side, a rotating gear whose rotation direction is converted by a gear stopper is installed in a storage chamber connected to the rotating handle, and a screw shaft tube is formed on both sides of the rotating gear exposed to the outside. ; a support bar that is simultaneously extended or reduced in correspondence with the threaded portion of the screw shaft pipe; Supporting portions that are movably installed at each end of the two support rods and are in contact with the wall, respectively; It presents a technology related to a support device comprising a.

Patent Document 003 discloses that, in a high load support for construction that supports a ceiling slab in which a high load is generated, the fixing pin 1 and the fixing pin 2 are inserted at regular intervals on the side of the inner pipe support, through holes 1 and 2, which are inserted while crossing each other. formed, and the inner tube support is inserted into the outer support connected to the adjustment jack for adjusting the micro-interval, and on the side of the outer support, the through hole 1 and the through hole 2 into which the fixing pin 1 and the fixing pin 2 can be inserted are at regular intervals. It is formed as a high-load structure and presents a technology for high-load support for construction that can support high loads while adjusting the height regardless of the floor height.

Patent Document 004 discloses a main control unit disposed at the lower portion of the structure and supporting the structure by adjusting the height according to the height of the structure; a sub control unit coupled to one side of the main control unit, the height of which is adjusted by rotation, and close to the bottom of the structure; It presents a technique for jack support, including

KR 10-2105915 B1 (April 23, 2020) KR 20-0164201 Y1 (October 05, 1999) KR 20-0384393 Y1 (May 06, 2005) KR 10-1778989 B1 (September 11, 2017)

An object of the present invention is to effectively prevent the collapse of the lower floor when a building formed of a plurality of floors is demolished.

The present invention relates to a support for demolition of a building for solving the problems of the prior inventions, and the first support portion 100 in the form of a steel pipe in which a hollow portion 110 is formed in the central portion; a second support part 200 in the form of a steel pipe in which a solid part 210 selectively inserted toward the inner periphery of the hollow part 110 is formed in the central part; includes

The first support part 100 of the present invention is formed on the inner periphery of the hollow part 110, the first coupling part 120 for providing a mutual fastening force with the solid part 210; Including, the second support portion 200 is formed on the outer periphery of the solid portion 210, a second coupling portion 220 for providing a mutual fastening force with the hollow portion (110); includes

The plurality of coupling parts 120 and 220 of the present invention are formed in a structure in which the cross-sectional area of both ends of the cross section is smaller than the reference width compared to the reference width of the central part.

Each of the coupling parts 120 and 220 of the present invention is formed in a structure selectively coupled to the hollow part 110 and the solid part 210 .

The present invention includes a fixing part 300 for fixing the phase in which the first support part 100 and the second support part 200 are disposed; Including, the fixing part 300 includes a first fixing part 310 disposed between the first support part 100 and the second support part 200; includes

The fixing part 300 of the present invention includes a second fixing part 320 selectively penetrating the plurality of support parts 100 and 200; includes

The fixing part 300 of the present invention includes a third fixing part 330 selectively disposed on the upper periphery of the first supporting part 100; includes

The first support part 100 of the present invention is formed so that the cross-sectional area of the upper end is larger than the cross-sectional area of the lower end.

Due to the present invention, it is possible to effectively prevent the phenomenon of the lower floor collapsing by the demolition equipment disposed on the floor where the demolition proceeds.

In addition, it is possible to prevent the unintentional disassembly of the support installed on the lower floor by the load and vibration transmitted by the demolition equipment.

Furthermore, it is possible to further secure the ease of installation and disassembly of the present invention compared to the prior art, thereby reducing the fatigue of the administrator.

1 is an exemplary view showing an installed state of the present invention.
Figure 2 is an exploded perspective view showing the present invention.
3 is an exemplary view showing a plurality of embodiments of the first support of the present invention.
Figure 4 is an exemplary view showing a second support portion of the present invention.
Figure 5 is an exemplary view showing the buffer of the present invention.
6 to 7 are conceptual views showing a cross section and a longitudinal section of the coupling portion of the present invention.
8 to 9 are exploded perspective views showing a hollow portion and a solid portion and each coupling portion.
10 is an exemplary view showing a first fixing part of the present invention.
11 is an exemplary view showing a second fixing part of the present invention.
12 is an exemplary view showing a third fixing part of the present invention.

Hereinafter, the most preferred embodiment of the present invention will be described in detail in order to describe in detail enough that a person of ordinary skill in the art to which the present invention pertains can easily carry out the present invention.

The numbers cited in the examples below are not limited only to the objects of reference, and may be applied to all examples. Objects exhibiting the same purpose and effect as the configuration presented in the examples correspond to equivalent replacement objects. The higher-level concept presented in the examples includes sub-concept objects that are not described.

(Embodiment 1-1) The present invention relates to a support for building demolition, and a first support portion 100 in the form of a steel pipe in which a hollow portion 110 is formed in the central portion; a second support part 200 in the form of a steel pipe in which a solid part 210 selectively inserted toward the inner periphery of the hollow part 110 is formed in the central part; includes

In general, when a building formed of a plurality of floors is demolished, equipment for performing the demolition work is input to the corresponding floor. At this time, considering that the equipment performing the demolition process is heavy equipment such as fork cranes and excavators, it is necessary to support the load by installing appropriate materials and quantity according to the structural review of the building to be demolished.

In particular, considering the functional characteristics of heavy equipment performing the demolition process, it is desirable to install a structure for preventing collapse that is optimized for this, considering that not only static load but also dynamic load, shock, and vibration act in a complex manner.

In order to perform the above function, the present invention provides a second support unit 200 disposed at the lower end of the ceiling slab on which heavy equipment is disposed, and a first support unit 100 disposed at the upper end of the floor slab opposite to the lower end of the ceiling slab. formed into a structure containing At this time, as the first support part 100 and the second support part 200 are coupled to each other, it is possible to prevent the collapse of the ceiling slab in which an external force is applied from the upper end to the lower side by the demolition equipment.

(Example 1-2) The present invention relates to a support for building demolition, and in Example 1-1, the first support part 100 is disposed between the floor surface and the hollow part 110, and the floor surface a first contact portion 130 that is in physical contact with the body; includes

(Example 1-3) The present invention relates to a support for building demolition, and in Example 1-2, the second support 200 is disposed between the ceiling surface and the solid portion 210, the ceiling surface a second contact portion 230 in physical contact with the; includes

The plurality of supports 100 and 200 are arranged under the floor to which the demolition equipment is put, and are configured to prevent the floor slab from collapsing during demolition. In order to perform the above function, it must be formed in a structure that efficiently supports the ceiling slab of the lower floor constituting the floor surface of the floor on which the demolition proceeds.

Therefore, the plurality of support parts 100 and 200 are formed in a structure in close contact with the lower floor ceiling slab and the floor slab, and it is possible to reduce static and dynamic loads transmitted to the lower floor ceiling slab by the demolition equipment. That is, the first support portion 100 disposed on the lower floor slab includes the first contact portion 130 in close contact with the upper end of the floor slab, and the second support portion 200 disposed on the lower floor ceiling slab is the ceiling slab. It is formed in a structure including the second contact portion 230 in close contact with the lower end.

(Example 1-4) The present invention relates to a support for building demolition, and in Example 1-3, the plurality of contact parts 130 and 230 are disposed inside, and a buffer part for alleviating an impact received from the outside ; includes

(Example 1-5) The present invention relates to a support for building demolition, and in Examples 1-4, the buffer part includes an elastic material having a constant elastic modulus; includes

(Example 1-6) The present invention relates to a support for building demolition. In Example 1-5, the elastic material is formed of one of a plate spring, a coil spring, rubber, and a sponge.

Each of the contact parts 130 and 230 can distribute static and dynamic loads transmitted to the ceiling slab to the floor slab as the demolition equipment is put in close contact with the floor slab and the ceiling slab for the lower layer of the corresponding floor. At this time, as the dynamic load transmitted to the ceiling slab of the lower floor by the demolition equipment includes vibration having a certain frequency value, it is preferable that the respective contact parts 130 and 230 have a structure capable of reducing vibration.

In order to perform the above function, each of the contact portions 130 and 230 may be formed in a structure including a separate buffer portion formed of an elastic material having a constant elastic modulus. That is, the frequency of vibration transmitted to the lower end of the ceiling slab is reduced by the buffer unit, and thus the magnitude of the force received by the floor slab is reduced.

The type of elastic material constituting the buffer is not specifically limited, and may be formed of a material that is deformed by an external force and whose shape is restored when the external force is released at the same time, such as a plate spring, a coil spring, rubber, or a sponge.

(Example 2-1) The present invention relates to a support for building demolition, and in Example 1-1, the first support part 100 is formed in the inner periphery of the hollow part 110, and the solid part ( 210) and a first coupling portion 120 for providing a mutual fastening force; Including, the second support portion 200 is formed on the outer periphery of the solid portion 210, a second coupling portion 220 for providing a mutual fastening force with the hollow portion (110); includes

The plurality of supports 100 and 200 disposed on the lower layer of the corresponding floor to which the demolition equipment is put form a mutual coupling structure in close contact with the ceiling slab and the floor slab, thereby preventing the ceiling slab from collapsing. Therefore, each of the supporting parts 100 and 200 disposed in the lower layer of the demolished floor should be formed in a structure that is selectively coupled to each other in a state of supporting the floor slab and the ceiling slab.

In order to realize the above structure, the first support part 100 for supporting the floor slab includes a first coupling part 120 , and the second support part 200 for supporting the ceiling slab includes a second coupling part 220 . It may be formed in a structure comprising a. At this time, due to the structural characteristics in which the solid part 210 of the second support part 200 is inserted into the inner periphery of the hollow part 110 of the first support part 100 , the plurality of coupling parts 120 and 220 are the hollow part 110 . It may be formed on the inner periphery of and the outer periphery of the solid portion 210 .

(Example 2-2) The present invention relates to a support for building demolition, and in Example 2-1, the first coupling part 120 has a structure in which a plurality of predetermined heights protrude from the inner wall of the hollow part 110 is formed with

(Embodiment 2-3) The present invention relates to a support for building demolition, and in Example 2-1, the second coupling part 220 has a structure in which a plurality of predetermined heights protrude from the outer wall of the solid part 210 is formed with

The solid part 210 of the second support part 200 extending from the lower end of the ceiling slab is formed to be inserted into the inner periphery of the hollow part 110 of the first support part 100 extending from the upper end of the floor slab. Accordingly, the first coupling part 120 for providing a mutual fastening force with the second support part 200 is formed in the hollow part 110 , and the second coupling part 220 for providing a mutual fastening force with the first support part 100 . may be formed in the solid portion 210 .

At this time, in order to implement the plurality of support parts 100 and 200 as a selective coupling structure in a state in which the solid part 210 is inserted into the inner periphery of the hollow part 110 , the first coupling part 120 is the hollow part 110 . It is formed in a structure that protrudes a predetermined height from the inner surface of the second coupling portion 220 may be formed in a structure that protrudes a predetermined height from the outer surface of the solid portion (210). That is, as the mutual fastening force is secured between the plurality of support parts 100 and 200 only in the section where the first coupling part 120 and the second coupling part 220 are in contact with each other, the construction manager installs the plurality of support parts 100 and 200 as needed. It can be easily combined and separated.

(Embodiment 2-4) The present invention relates to a support for building demolition, and in Embodiment 2-1, the plurality of coupling portions 120 and 220 include a plurality of threads having a pitch of a predetermined value and a screw trough. is formed with

(Example 2-5) The present invention relates to a support for building demolition, and in Example 2-4, the pitch of the first coupling part 120 is a value greater than the pitch of the second coupling part 220 is formed in a structure with

As the manager adjusts the position of the second coupling part 220 in the hollow part 110 inner periphery, the plurality of support parts 100 and 200 are selectively coupled in the lower layer of the demolished floor. At this time, the first coupling portion 120 formed on the inner circumferential surface of the hollow portion 110 and the second coupling portion 220 formed on the outer circumferential surface of the solid portion 210 have a plurality of pitches having a predetermined value in the section in contact with each other. It may be formed of a structure including a screw thread and a screw bone. That is, as the screw thread of the second coupling part 220 is inserted into the screw trough of the first coupling part 210 , the hollow part 110 and the solid part 210 are selectively coupled to each other.

At this time, considering the site in which a large value of external force is formed from the upper part to the lower part where the ceiling slab is disposed by the load of the demolition equipment and foreign substances generated at the demolition site are injected into the hollow part 110, the first combination It is preferable that the pitch value between the screw thread and the screw-gol constituting the part 120 is formed to a value greater than the pitch value between the screw thread and the screw-gol constituting the second coupling part 220 . That is, it is possible to reduce the occurrence rate of wear and breakage of the plurality of coupling parts 120 and 220 by external force and foreign substances.

(Example 2-6) The present invention relates to a support for building demolition, and in Example 2-1, the plurality of coupling parts 120 and 220 are extended from the hollow part 110 or the solid part 210. It is formed in a one-piece structure.

The plurality of coupling portions 120 and 220 are formed to protrude from the inner circumferential surface of the hollow portion 110 and the outer circumferential surface of the solid portion 210 , thereby selectively providing a mutual fastening force between the plurality of support portions 100 and 200 . At this time, each of the coupling parts 120 and 220 may be integrally formed extending from the inner peripheral surface of the hollow part 110 and the outer peripheral surface of the solid part 210 . As it is formed in the above structure, the plurality of coupling parts 120 and 220 are unintentionally separated from the hollow part 110 and the solid part 210, and the coupling structure formed by the plurality of support parts 100 and 200 is dismantled. can be prevented in advance.

(Example 3-1) The present invention relates to a support for building demolition, and in Example 2-1, the plurality of coupling parts 120 and 220 have a cross-sectional area of both ends of the cross section compared to the reference width of the central portion. It is formed in a structure with a smaller value.

(Example 3-2) The present invention relates to a support for building demolition, and in Example 3-1, both ends of the cross sections of the plurality of coupling parts 120 and 220 include arcs having a curvature of a predetermined value. formed in a structure that

(Example 3-3) The present invention relates to a support for building demolition, and in Example 3-1, both ends of the cross-sections of the plurality of coupling parts 120 and 220 include hypotenuses inclined at a predetermined angle from the corners of the central part. formed into a structure.

The plurality of coupling parts 120 and 220 formed on the inner periphery of the hollow part 110 and the outer periphery of the solid part 210 are selectively coupled to each other, so whether the first support part 100 and the second support part 200 are coupled depending on each other. to decide

Each of the coupling parts 120 and 220 may be composed of a plurality of threads and screws having a pitch of a predetermined value, and may be selectively inserted into any one coupling part screw thread and the other coupling part screw thread to provide a mutual fastening force. have. At this time, if the cross-sectional ends of the respective coupling portions 120 and 220 formed on the inner periphery of the hollow portion 110 and the outer periphery of the solid portion 210 are formed in a shape perpendicular to the inner surface, the stress is applied to the end by the pressure applied from the upper portion. Local concentration may occur. Dependent on this, there is a fear that a phenomenon in which both ends of the cross-section of the respective coupling portions 120 and 220 are damaged may occur.

In order to solve the above problems, both ends in the width direction for receiving a load and an external force separately may be additionally formed in the central portion of the cross-section of each of the coupling portions 120 and 220 . At this time, both ends in the width direction of each of the coupling portions 120 and 220 cross-sections include an arc of a predetermined curvature value or an inner surface of the hollow portion 110 and an edge inclined at a predetermined angle from the outer surface of the solid portion 210 . is formed, and it is possible to solve the coupling part breakage phenomenon due to the stress concentration phenomenon described above.

(Embodiment 3-4) The present invention relates to a support for building demolition, and in Embodiment 3-1, the longitudinal cross-sections of the plurality of coupling portions 120 and 220, the threads and the screw troughs are formed in a triangular shape.

(Example 3-5) The present invention relates to a support for building demolition, and in Example 3-1, the longitudinal cross-sections of the plurality of coupling parts 120 and 220, the threads and the screw valleys are formed in a rectangular shape.

Each of the coupling parts 120 and 220 for selectively providing the mutual coupling force between the plurality of support parts 100 and 200 may be formed in a structure including a plurality of threads having a predetermined pitch value and a screw bone. At this time, the longitudinal cross-sectional shape of the plurality of threads and the screw trough constituting the respective coupling portions 120 and 220 is not specifically limited. That is, the administrator may determine the longitudinal cross-sectional shape of the screw thread and the screw bone for the plurality of coupling parts 120 and 220 in consideration of the magnitude of the load and external force acting on the space in which the present invention is disposed.

(Example 4-1) The present invention relates to a support for building demolition, and in Example 2-1, each of the coupling parts 120 and 220 is selective to the hollow part 110 and the solid part 210. It is formed in a structure that is combined with

(Example 4-2) The present invention relates to a support for building demolition, and in Example 4-1, each of the coupling parts 120 and 220 has a plurality of threads and screw troughs formed on one surface in the thickness direction.

(Example 4-3) The present invention relates to a support for building demolition, and in Example 4-2, each of the coupling parts 120 and 220 is the inner diameter or solid part of the hollow part 110 on the other surface in the thickness direction ( 210) is formed as a curved surface having the same curvature as the outer diameter.

As each coupling part 120 and 220 formed on the inner circumferential surface of the hollow part 110 and the outer circumferential surface of the solid part 210 is selectively coupled to each other, a coupling force between the plurality of support parts 100 and 200 is selectively provided. At this time, if the plurality of coupling parts 120 and 220 are formed in an integral structure extending to the inner circumferential surface of the hollow part 110 and the outer circumferential surface of the solid part 210, an effect can be obtained if the coupling durability is improved, but ease of manufacture There is a problem that it is difficult to obtain.

In order to solve the above problems, each of the coupling parts 120 and 220 may be formed in a structure detachable from the inner peripheral surface of the hollow part 110 and the outer peripheral surface of the solid part 210 .

To this end, a plurality of threads and screw troughs having a predetermined pitch value are processed on one surface in the thickness direction of each coupling part 120 , 220 , and the other surface in the thickness direction is the curvature of the inner surface of the hollow part 110 or the curvature of the outer surface of the solid part 210 . It may be formed as a curved surface having a curvature of the same value as .

(Example 4-4) The present invention relates to a support for building demolition, and in Example 4-1, the first coupling part 120 is formed on the other surface in the thickness direction, and is recessed to a predetermined depth along the thickness direction. a first coupling groove 121; Including, the hollow portion 110 is a first coupling hole 111 for mutually communicating the outer periphery and the inner periphery; includes

As the first coupling part 120 is formed in a structure detachable from the inner circumferential surface of the hollow part 110 , the present invention can additionally secure the ease of manufacture.

In order to realize the above structure, the hollow part 110 of the steel pipe shape includes one or more first coupling holes 111 for mutually communicating the outer periphery and the inner periphery, and the first coupling part 120 is formed from the other surface in the thickness direction. It may be formed in a structure including one or more first coupling grooves 121 recessed to a predetermined depth. At this time, as a separate fastening material, such as a bolt, passes through the inner periphery of the first coupling hole 111 and the first coupling groove 121 disposed to face each other, the hollow part 110 and the first coupling part 120 . may be combined with each other.

(Example 4-5) The present invention relates to a support for building demolition, and in Example 4-1, the second coupling part 220 has a second coupling groove 221 recessed to a predetermined depth from the other surface in the thickness direction. ; Including, the solid portion 210 has a coupling protrusion 211 protruding a predetermined height from the outer periphery; includes

As the second coupling part 220 is formed in a structure detachable from the outer circumferential surface of the solid part 210 , the present invention can additionally secure the easiness of manufacturing.

In order to realize the above structure, the steel pipe-shaped solid portion 210 includes one or more coupling protrusions 211 protruding from the outer periphery at a predetermined height, and the second coupling portion 220 is formed with a predetermined height from the other surface in the thickness direction. At least one first coupling hole 111 for mutually communicating the main part, and the first coupling part 120 may be formed in a structure including one or more second coupling grooves 221 recessed to a predetermined depth in the other surface in the thickness direction. can That is, as the coupling protrusion 211 is inserted into the inner periphery of the second coupling groove 221 , the second coupling part 220 may be selectively coupled to the outer circumferential surface of the solid part 210 .

(Example 4-6) The present invention relates to a support for building demolition. In Example 4-1, the hollow part 110 includes a plurality of first sliding grooves 112 recessed to a predetermined depth from the inner circumferential surface; includes

Due to the structural characteristics between the hollow part 110 and the first coupling part 120 that are mutually coupled by a separate fastening material, the manager accurately recognizes the position where the first coupling part 120 is disposed on the inner circumferential surface of the hollow part 110 . In one state, the fastening material should be inserted from the outer periphery of the hollow part 110 toward the inner periphery.

In order to provide ease of coupling to the manager in the above process, it is preferable that the hollow portion 110 has one or more sliding grooves 112 guiding the position where the first coupling portion 120 is disposed along the height direction. . That is, as the second coupling part 120 is inserted into the sliding groove 112 , the manager can easily recognize the position where the first coupling part 120 is disposed on the inner circumferential surface of the hollow part 110 .

(Example 5-1) The present invention relates to a support for building demolition, and in Example 1-1, a fixing part for fixing the phase in which the first support part 100 and the second support part 200 are disposed (300); Including, the fixing part 300 includes a first fixing part 310 disposed between the first support part 100 and the second support part 200; includes

(Example 5-2) The present invention relates to a support for building demolition, and in Example 5-1, the first fixing part 310 includes a plurality of coupling parts 120 and 220 forming a mutual coupling structure. It is formed in a structure arranged in plurality at both ends in the width direction.

The plurality of support portions 100 and 200 are selectively coupled by fastening between the plurality of coupling portions 120 and 220 formed in the hollow portion 110 and the solid portion 210 . At this time, due to the structural characteristics of the plurality of coupling parts 120 and 220 formed of a plurality of threads and screw troughs, a phenomenon in which the mutual coupling is dismantled may occur due to the misalignment of the alignment by vibration transmitted from the demolition layer.

In order to prevent the above-described phenomenon, the present invention may be formed in a structure including a separate fixing part 300 for limiting the positions of the first support part 100 and the second support part 200 .

In order to limit the position with respect to the plurality of support parts 100 and 200, the fixing part 300 includes a first fixing part 310 disposed at both ends of the coupling part in the width direction in a state in which the plurality of coupling parts 120 and 220 are coupled to each other. It can be formed in a structure that That is, by suppressing the phenomenon that any one coupling part moves along the circumference of the hollow part 110 or the solid part 210 by vibration, it is possible to prevent the coupling structure between the plurality of support parts 100 and 200 from being disassembled. .

(Example 5-3) The present invention relates to a support for building demolition. In Example 5-1, the longitudinal section of the first fixing part 310 has an edge in contact with the first support part 100 as a hypotenuse. It is formed in the shape of a right-angled triangle formed.

(Example 5-4) The present invention relates to a support for building demolition. In Example 5-1, the first fixing part 310 is formed of a material having a constant elastic modulus.

The first fixing part 310 is disposed at both ends in the width direction of the plurality of coupling parts 120 and 220 coupled to each other to prevent the unintentional disassembly of the coupling structure between the plurality of coupling parts 120 and 220 by vibration. At this time, the first fixing part 310 has a right-angled triangle shape in which the hypotenuse is in contact with the upper end of the first support part 100 in order to be easily disposed between the hollow part 110 and the solid part 210 forming the coupling structure. It is preferably formed in a structure having a longitudinal cross-section of In addition, as the first fixing part 310 is formed of an elastic material whose shape is deformed by an external force, it is possible to efficiently achieve the above object.

(Example 6-1) The present invention relates to a support for building demolition, and in Example 5-1, the fixing part 300 includes a second fixing part ( 320); includes

(Example 6-2) The present invention relates to a support for building demolition, and in Example 6-1, the hollow part 110 and the solid part 210 are opposite to each other in the circumferential direction of the steel pipe. A plurality of fixed coupling holes (140, 240) to communicate along; includes

(Example 6-3) The present invention relates to a support for building demolition, and in Example 6-2, the second fixing part 320 is a first fixing coupling hole penetrating a plurality of oppositely disposed fixing coupling holes. Fastener 321; includes

The fixing part 300 is configured to prevent a phenomenon in which the coupling force formed between the plurality of support parts 100 and 200 is unintentionally released. In order to achieve the above object, the fixing part 300 may be formed in a structure including the second fixing part 320 penetrating the plurality of support parts 100 and 200 in which mutual coupling is completed. That is, it is possible to suppress the phenomenon that the plurality of support parts 100 and 200 rotate along the circumference of the hollow part 110 or the solid part 210 , thereby preventing the disintegration of the coupling between the plurality of support parts 100 and 200 .

In order to implement the above technology, the second fixing part 320 may be formed in a structure including the hollow part 110 and the first fastener 321 penetrating the outer diameter and the inner diameter of the solid part 210 . . In order for the first fastening material 321 to penetrate through the plurality of support parts 100 and 200 coupled to each other, the hollow part 110 and the solid part 210 are a plurality of fixed coupling holes 140 and 240 communicating along the circumferential direction of the steel pipe. It may be formed in a structure comprising a. That is, the first fastening material 321 passes through the inner periphery of the plurality of fixing coupling holes 140 and 240 disposed opposite to each other when the plurality of support parts 100 and 200 are coupled, thereby achieving the purpose of the fixing part 300 .

(Example 6-4) The present invention relates to a support for building demolition, and in Example 6-3, the plurality of fixed coupling holes 140 and 240 and the first fastening material 321 are mutually in a screw coupling method. It is formed in a combined structure.

The first fastening material 321 constituting the second fixing part 320 has a structure penetrating the inner periphery of the plurality of fixing coupling holes 140 and 240 disposed to face each other when the plurality of support parts 100 and 200 are coupled to each other. , it is possible to improve the mutual coupling force between the plurality of supports (100,200). At this time, the inner periphery of the plurality of fixed coupling holes 140 and 240 and the outer periphery of the first fastening material 321 have a structure in which a plurality of threads and screw troughs having a pitch of a predetermined value are formed, the first fastening material 321 may be formed in a structure in which the plurality of fixed coupling holes 140 and 240 are screwed when passing through the inner periphery. As the structure is coupled to the above, the mutual coupling force between the plurality of fixed coupling holes 140 and 240 and the first fastening material 321 may be improved.

(Example 7-1) The present invention relates to a support for building demolition, and in Example 5-1, the fixing part 300 is a third selectively disposed on the outer periphery of the upper end of the first support part 100 . fixing part 330; includes

(Example 7-2) The present invention relates to a support for building demolition, and in Example 7-1, the third fixing part 330 has an inner periphery in contact with the upper outer periphery of the first support 100 . a plurality of gripping blocks 331; includes

The fixing part 300 is configured to prevent a phenomenon in which the coupling force formed between the plurality of support parts 100 and 200 is unintentionally released.

In order to achieve the above object, the fixing part 300 is disposed on the upper periphery of the first support part 100 in which the solid part 210 is inserted into the inner periphery of the hollow part 110, and continues from the outer periphery toward the inner periphery. It may be formed in a structure including a third fixing part 330 that applies pressure. In this case, the third fixing part 330 is preferably formed in a structure that is selectively disposed on the upper end of the first support part 100 according to the needs of the administrator. Accordingly, the third fixing part 330 may be formed in a structure including a plurality of gripping blocks 331 having the same inner diameter as the curved surface of the upper end of the first supporting part 100 .

(Embodiment 7-3) The present invention relates to a support for building demolition, and in Embodiment 7-2, each of the holding blocks 331 includes a plurality of second pieces communicating with each other at opposing positions when engaged with each other. coupling hole (331-1); includes

(Example 7-4) The present invention relates to a support for building demolition, and in Example 7-3, the third fixing part 330 penetrates the plurality of third coupling holes 331-1. a second fastener 332; includes

The plurality of gripping blocks 331 are formed in a structure selectively coupled to the upper end of the first support part 100 . Accordingly, the third fixing part 330 may be formed in a structure including a separate second fastening material 332 that provides a mutual fastening force to the plurality of gripping blocks 331 . At this time, the plurality of gripping blocks 331 are formed in a structure including a plurality of second coupling holes 331-1 that communicate at positions disposed opposite to each other when coupled to each other, and the second coupling holes 331-1. Silver may be formed in the structure of a counterboring hole. That is, the second fastening material 332 is penetrated and inserted into the inner peripheral portions of the plurality of second coupling holes 331-1 that are disposed to face each other.

(Example 7-5) The present invention relates to a support for building demolition, and in Example 7-2, each of the holding blocks 331 has a third coupling groove 331-2 recessed to a predetermined depth from the outer periphery. ; includes

(Example 7-6) The present invention relates to a support for building demolition, and in Example 7-5, the third fixing part 330 is selectively disposed inside the third coupling groove 331-2 a third fastener 333 for applying an external force toward the inner periphery of the plurality of gripping blocks 331; includes

As the plurality of gripping blocks 331 are to be formed in a structure selectively coupled at the top of the first support part 100 , the third fixing part 330 is a separate and separate clamping force for the plurality of gripping blocks 331 . It may be formed in a structure including the third fastening material 333 . In this case, the plurality of gripping blocks 331 may be formed to have a structure including a plurality of third coupling grooves 331 - 2 that are recessed to a predetermined depth from the outer periphery at positions opposite to each other when coupled to each other. That is, as the diameter value formed by the third fastening material 332 is reduced in a state in which the third fastening material 332 is disposed on the inner periphery of the plurality of second coupling holes 331-1 that are disposed opposite to each other, the plurality of of the holding block 331 may apply a continuous external force toward the inner periphery from the upper end of the first support unit 100 .

(Example 8-1) The present invention relates to a support for building demolition, and in Example 1-1, the first support part 100 has a cross-sectional area of an upper end greater than a cross-sectional area of a lower end.

(Example 8-2) The present invention relates to a support for building demolition, and in Example 8-1, the first support part 100 has a longitudinal cross-sectional thickness value of the upper end formed with a value greater than the longitudinal cross-sectional thickness value of the lower end. do.

Due to the structural characteristics in which the demolition equipment is disposed at the upper end of the ceiling slab to which the second support part 200 is placed in close contact, a buckling phenomenon may occur in the section in which the mutual fastening force is applied to the plurality of support parts 100 and 200 in which mutual coupling is completed. can

Buckling occurs when a compressive load is applied to both ends of a column in the longitudinal direction, and bending occurs at a point where a value greater than a certain load is measured.

In order to prevent the above-described buckling phenomenon, the diameter value of the upper end of the first support part 100 disposed at the central part in the longitudinal direction when the plurality of support parts 100 and 200 are mutually coupled to each other is a value greater than the diameter value of the central part of the first support part 100 . can be formed with

(Example 8-3) The present invention relates to a support for building demolition. In Example 8-1, the first support part 100 includes a first steel pipe part 101 in the shape of a steel pipe extending from a floor surface; and a second steel pipe section (102) extending from the first steel pipe section (101) and having a thickness greater than a thickness value of the first steel pipe section (101). includes

(Example 8-4) The present invention relates to a support for building demolition, and in Example 8-3, the second steel pipe portion 102 is formed in a structure having the same thickness value along the height direction.

(Example 8-5) The present invention relates to a support for building demolition, and in Example 8-3, the thickness of the second steel pipe part 102 is gradually increased from the lower side to the upper side along the height direction. formed into a structure.

In order to effectively prevent the buckling phenomenon that may occur in the present invention, the first support part 100 is formed from the first steel pipe part 101 extending upward from the first contact part 130 in close contact with the bottom surface and the uppermost part. It may be formed in a structure including the second steel pipe portion 102 extending downward. At this time, the diameter of the second steel pipe portion 102 is formed to be larger than the diameter of the first steel tube portion 101, so that the buckling phenomenon caused by the compressive load can be effectively prevented. The shape of the longitudinal cross-section of the first steel pipe portion 101 is not particularly limited, and may be formed to have the same thickness or to have a tapered inclined surface.

10: demolition equipment
100: first support 101: first steel pipe portion
102: second steel pipe part
110: hollow part 111: first coupling hole
112: sliding groove
120: first coupling portion 121: first coupling groove
130: first contact portion 140: first fixed coupling hole
200: second support 210: solid part
211: bonding protrusion
220: second coupling part 221: second coupling groove
230: second contact portion 240: second fixed coupling hole
300: fixing part 310: first fixing part
320: second fixing part 321: first fastening material
330: third fixing part 331: holding block
331-1: second coupling hole 331-2: third coupling groove
332: second fastening material 333: third fastening material
400: buffer part

Claims (8)

a first support part 100 in the shape of a steel pipe in which a hollow part 110 is formed in the central part;
and a second support part 200 in the form of a steel pipe in which a solid part 210 inserted toward the inner periphery of the hollow part 110 is formed in the central part;
The first support part 100,
A first coupling part 120 formed on the inner periphery of the hollow part 110 and providing a mutual fastening force with the solid part 210; includes,
The second support 200,
a second coupling part 220 formed on the outer periphery of the solid part 210 and providing a mutual fastening force with the hollow part 110;
The first coupling part 120 is
It is formed in a structure protruding a predetermined height from the inner wall of the hollow part 110,
The second coupling part 220,
The solid portion 210 is formed in a structure protruding a predetermined height from the outer wall,
Each of the coupling parts 120 and 220,
Doedoe coupled to the hollow portion 110 and the solid portion 210, a support for building demolition in which a plurality of threads and screw troughs are formed on one surface in the thickness direction.
delete The method according to claim 1,
The plurality of coupling parts 120 and 220 are,
A support for building demolition in which the cross-sectional area of both ends of the cross section is smaller than the standard width of the central section.
delete The method according to claim 1,
a fixing part 300 for fixing a phase in which the first support part 100 and the second support part 200 are disposed; includes,
The fixing part 300,
a first fixing part 310 disposed between the first supporting part 100 and the second supporting part 200; A support for demolition of a building comprising a.
6. The method of claim 5,
The fixing part 300,
a second fixing part 320 penetrating the plurality of support parts 100 and 200; A support for demolition of a building comprising a.
6. The method of claim 5,
The fixing part 300,
a third fixing part 330 disposed on the upper periphery of the first supporting part 100; A support for demolition of a building comprising a.
The method according to claim 1,
The first support part 100,
A support for demolition of a building in which the cross-sectional area of the upper part is larger than the cross-sectional area of the lower part.

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