CN116852545B - Demolition device applied to building - Google Patents
Demolition device applied to building Download PDFInfo
- Publication number
- CN116852545B CN116852545B CN202311052336.8A CN202311052336A CN116852545B CN 116852545 B CN116852545 B CN 116852545B CN 202311052336 A CN202311052336 A CN 202311052336A CN 116852545 B CN116852545 B CN 116852545B
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- Prior art keywords
- cutting
- building
- supporting frame
- driving
- assembly
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- 238000005520 cutting process Methods 0.000 claims abstract description 125
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/045—Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/005—Devices for the automatic drive or the program control of the machines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention provides a demolishing device applied to a building, which belongs to the technical field of demolishing of building bodies and comprises a supporting frame, a cutting assembly, a lifting plate, a first driving assembly and a second driving assembly, wherein the cutting assembly is arranged on one side of the supporting frame, the second driving assembly is arranged on the inner side of the supporting frame and is used for driving the cutting assembly to horizontally move so as to transversely cut the building, and a transverse cutting seam can be formed on one side of the building after the cutting assembly transversely cuts the building. Compared with the prior art, the embodiment of the invention can provide support for the upper building when the building is dismantled and cut, thereby preventing the upper building from sinking, avoiding the weight of the upper building from being applied to the cutting assembly, ensuring that the cutting assembly can smoothly transversely cut the building, further improving the cutting efficiency of the building and prolonging the service life of the cutting assembly.
Description
Technical Field
The invention belongs to the technical field of building dismantling, and particularly relates to a dismantling device applied to a building.
Background
At present, when a tall petrochemical building is dismantled, a semiautomatic mode is mostly adopted, firstly, a building to be cut is transversely cut manually by means of a cutting instrument, and then thrust is applied to an upper petrochemical building, so that the upper petrochemical building is inclined towards a preset direction.
Above-mentioned petrochemical industry building demolishs mode comparatively traditional, when cutting instrument carries out horizontal cutting to petrochemical industry building, the petrochemical industry building can be divided into upper and lower two-layer as the boundary with the cutting gap, the weight of upper petrochemical industry building in the cutting process can be applyed in cutting instrument, because the petrochemical industry building weight on upper strata is great, can lead to cutting instrument's cutting resistance increase when the weight of upper petrochemical industry building acts on cutting instrument, can aggravate cutting instrument's wearing and tearing after cutting resistance increases on the one hand, lead to cutting instrument's life to shorten, on the other hand is unfavorable for the high-efficient cutting of petrochemical industry building after cutting resistance increases.
Disclosure of Invention
In view of the foregoing deficiencies in the prior art, an object of an embodiment of the present invention is to provide a demolition apparatus for a building.
In order to solve the technical problems, the invention provides the following technical scheme:
a demolition device applied to a building comprises a supporting frame, a cutting component, a lifting plate, a first driving component and a second driving component,
the cutting assembly is arranged at one side of the supporting frame,
the second driving component is arranged on the inner side of the supporting frame and is used for driving the cutting component to horizontally move so as to transversely cut the building,
a transverse cutting seam may be formed at one side of the building after the cutting assembly transversely cuts the building,
the lifting plate is movably arranged on the inner side of the supporting frame, the first driving assembly is arranged on the inner side of the supporting frame and used for driving the lifting plate to rotate into the cutting seam and move upwards along the cutting seam.
As a further improvement of the invention: the cutting assembly includes a cutting blade, a drive shaft and a first motor,
one end of the driving shaft is connected with the output end of the first motor, the other end of the driving shaft is connected with the cutting saw blade, one side of the first motor is fixedly provided with a mounting seat,
the second driving component comprises a screw rod and a second motor,
the second motor is fixedly arranged on the inner wall of the supporting frame, one end of the screw rod is connected with the output end of the second motor, and the other end of the screw rod penetrates through the mounting seat and is in threaded fit with the mounting seat.
As a further improvement of the invention: the guide rail is fixedly arranged on the top wall of the inner side of the supporting frame, the guide rail is distributed in parallel with the screw rod, a sliding rod is fixedly arranged on the upper portion of the mounting seat, and a sliding groove matched with the guide rail is formed in the upper end of the sliding rod.
As a further improvement of the invention: the first driving component comprises a rotating shaft, a threaded sleeve, a rack and a gear,
the rotating shaft is vertically distributed at the inner side of the supporting frame, the upper end and the lower end of the rotating shaft are respectively connected with the inner wall of the supporting frame in a rotating way, the rotating shaft is provided with a threaded section, the threaded sleeve is sleeved at the outer part of the rotating shaft and is in threaded fit with the threaded section,
lifting board one end with screw sleeve fixed connection, the gear is fixed to be set up the pivot is outside, rack one end is in through connecting rod fixed mounting the mount pad bottom, the rack can with gear engagement.
As a still further improvement of the invention: the lifting plate and the cutting saw blade are positioned on the same horizontal plane, and the thickness of the lifting plate is smaller than that of the cutting saw blade.
As a still further improvement of the invention: the cutting saw blade is provided with a plurality of groups, the cutting saw blades are sequentially and alternately distributed along the length direction of the driving shaft,
correspondingly, the lifting plates and the cutting saw blades are provided with a plurality of groups, and the lifting plates are sequentially distributed at intervals along the length direction of the rotating shaft.
As a still further improvement of the invention: and the bottom of the supporting frame is provided with a plurality of casters.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, when the building needs to be dismantled, the supporting frame can be arranged at one side of the building to be dismantled, then the second driving component is utilized to drive the cutting component to horizontally move so as to transversely cut the building, a cutting seam can be left at one side of the building when the cutting component transversely cuts the building, the building at the moment can form an upper building and a lower building by taking the cutting seam as a boundary, the first driving component drives the lifting plate to rotate into the cutting seam, and after the lifting plate rotates into the cutting seam, the first driving component drives the lifting plate to move upwards.
Drawings
FIG. 1 is a schematic view of a demolition arrangement for use in a building;
FIG. 2 is a schematic diagram of a demolition arrangement for a building;
FIG. 3 is a schematic view of a demolition arrangement for use in a building;
FIG. 4 is an enlarged schematic view of area A of FIG. 1;
in the figure: 10-supporting frame, 101-castor, 102-guide rail, 20-cutting assembly, 201-cutting saw blade, 202-drive shaft, 203-first motor, 204-mount, 205-slide bar, 30-lift plate, 40-first drive assembly, 401-spindle, 402-threaded section, 403-threaded sleeve, 404-link, 405-rack, 406-gear, 50-second drive assembly, 501-lead screw, 502-second motor.
Detailed Description
The technical scheme of the present application will be described in further detail with reference to the specific embodiments.
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
Referring to fig. 1, the present embodiment provides a demolishing device applied to a building, including a supporting frame 10, a cutting assembly 20, a lifting plate 30, a first driving assembly 40 and a second driving assembly 50, wherein the cutting assembly 20 is disposed at one side of the supporting frame 10, the second driving assembly 50 is mounted at the inner side of the supporting frame 10 and is used for driving the cutting assembly 20 to horizontally move so as to transversely cut the building, the lifting plate 30 is movably disposed at the inner side of the supporting frame 10, the first driving assembly 40 is mounted at the inner side of the supporting frame 10, a transverse cutting seam is formed at one side of the building after the cutting assembly 20 transversely cuts the building, and the first driving assembly 40 is used for driving the lifting plate 30 to rotate into the cutting seam and move upwards along the cutting seam.
When the building needs to be dismantled, the support frame 10 can be placed on one side of the building to be dismantled, then the second driving assembly 50 is utilized to drive the cutting assembly 20 to horizontally move so as to transversely cut the building, a cutting seam can be left on one side of the building when the cutting assembly 20 transversely cuts the building, the building at the moment can form an upper building and a lower building by taking the cutting seam as a boundary, the first driving assembly 40 drives the lifting plate 30 to rotate into the cutting seam, after the lifting plate 30 rotates into the cutting seam, the first driving assembly 40 drives the lifting plate 30 to move upwards so as to provide support for the upper building, so that the upper building is prevented from sinking, the weight of the upper building is prevented from being applied to the cutting assembly 20, the smooth horizontal movement of the cutting assembly 20 is ensured, the cutting efficiency of the building is improved, and the service life of the cutting assembly 20 is prolonged.
Referring to fig. 1, in one embodiment, the cutting assembly 20 includes a cutting saw blade 201, a driving shaft 202, and a first motor 203, one end of the driving shaft 202 is connected to an output end of the first motor 203, the other end is connected to the cutting saw blade 201, a mounting seat 204 is fixedly disposed on one side of the first motor 203, the second driving assembly 50 includes a screw rod 501 and a second motor 502, the second motor 502 is fixedly mounted on an inner wall of the supporting frame 10, one end of the screw rod 501 is connected to an output end of the second motor 502, and the other end penetrates through the mounting seat 204 and is in threaded fit with the mounting seat 204.
The driving shaft 202 is driven to rotate through the first motor 203, the cutting saw blade 201 is driven to rotate, the screw rod 501 is driven to rotate through the second motor 502, the screw rod 501 is matched with the mounting seat 204 through threads to drive the mounting seat 204 to horizontally move, the first motor 203, the driving shaft 202 and the cutting saw blade 201 can be driven to integrally horizontally move when the mounting seat 204 horizontally moves, and the cutting saw blade 201 also rotates when horizontally moves, so that one side of a building is transversely cut.
Referring to fig. 1 and 2, in one embodiment, a guide rail 102 is fixedly disposed on an inner top wall of the support frame 10, the guide rail 102 is parallel to the screw rod 501, a sliding rod 205 is fixedly disposed on an upper portion of the mounting seat 204, and a sliding groove (not shown) adapted to the guide rail 102 is formed at an upper end of the sliding rod 205.
Sliding fit is performed with the guide rail 102 through the chute at the upper end of the sliding rod 205, so that the installation seat 204, the first motor 203, the driving shaft 202 and the cutting saw blade 201 can be smoothly and stably driven to move horizontally as a whole when the screw rod 501 rotates.
Referring to fig. 3 and 4, in one embodiment, the first driving assembly 40 includes a rotating shaft 401, a threaded sleeve 403, a rack 405 and a gear 406, the rotating shaft 401 is vertically distributed inside the supporting frame 10, the upper and lower ends of the rotating shaft 401 are respectively rotatably connected with the inner wall of the supporting frame 10, the rotating shaft 401 is provided with a threaded section 402, the threaded sleeve 403 is sleeved outside the rotating shaft 401 and is in threaded fit with the threaded section 402, one end of the lifting plate 30 is fixedly connected with the threaded sleeve 403, the gear 406 is fixedly arranged outside the rotating shaft 401, one end of the rack 405 is fixedly mounted at the bottom of the mounting seat 204 through a connecting rod 404, and the rack 405 can be meshed with the gear 406.
Initially, lifting plate 30 is located the braced frame 10 inboard and keep parallel with braced frame 10 length direction, after the cutting seam is cut out in building one side to the cutting saw bit 201, along with the continued motion of mount pad 204, mount pad 204 accessible connecting rod 404 drives rack 405 synchronous motion, rack 405 can act on gear 406 and get into the engaged state with gear 406, through the meshing effect of rack 405 and gear 406 drive pivot 401 rotation, accessible screw sleeve 403 drives lifting plate 30 rotation during pivot 401 rotation, make the one end that lifting plate 30 kept away from screw sleeve 403 shift into the cutting seam inside, when the one end that lifting plate 30 kept away from screw sleeve 403 shifts into the cutting seam inside, lifting plate 30 tip butt in the seam depths of cutting seam, lifting plate 30 is the incline state (as shown in fig. 4) this moment, then rack 405 and gear 406 continue to mesh and then drive pivot 401 continue to rotate, this moment, the restriction that this moment is received the cutting seam can't follow pivot 401 and continue to rotate, and drive screw sleeve 403 and compare in pivot 401 rotation, screw sleeve 403 and screw sleeve 402's screw sleeve 403 are passed through, thereby the screw sleeve 403 is kept away from screw sleeve 403 and the vertical moving along outside and the one end of screw sleeve 403 shifts into the cutting seam inside, thereby cut down the cutting blade 201 cut the cutting seam is cut up in the seam is guaranteed to the vertical length of the lifting plate 30 tip is cut up in the seam is cut, and the cutting seam 201 is cut up, and the cutting blade 201 is cut down, and the cutting blade 201 is cut up is cut to the inside in the inside is cut, and the length of course is cut up.
In one embodiment, the lift plate 30 is on the same horizontal plane as the cutting blade 201, and the thickness of the lift plate 30 is less than the thickness of the cutting blade 201.
Because the cutting saw blade 201 and the lifting plate 30 are on the same horizontal plane and the thickness of the lifting plate 30 is smaller than that of the cutting saw blade 201, when the cutting saw blade 201 transversely cuts one side of a building and leaves a cutting seam, the height of the cutting seam is inevitably larger than that of the lifting plate 30, and one end, far away from the threaded sleeve 403, of the lifting plate 30 can be accurately and smoothly transferred into the cutting seam in the subsequent rotation process, so that stable support can be provided for an upper building.
Referring to fig. 1 and fig. 4, in one embodiment, the cutting saw blade 201 is provided with a plurality of groups, the plurality of cutting saw blades 201 are sequentially spaced along the length direction of the driving shaft 202, and correspondingly, the lifting plates 30 and the cutting saw blade 201 are provided with a plurality of groups, and the plurality of lifting plates 30 are sequentially spaced along the length direction of the rotating shaft 401.
When the first motor 203 drives the driving shaft 202 to rotate, the driving shaft 202 can drive the plurality of cutting saw blades 201 to synchronously rotate, and the driving action of the screw rod 501 and the mounting seat 204 is matched to drive the plurality of cutting saw blades 201 to integrally and horizontally move, so that a plurality of cutting slits which are vertically and alternately distributed are cut on one side of a building, a plurality of blocks are cut on one side of the building, after the plurality of cutting saw blades 201 cut a plurality of cutting slits on one side of the building, the rotating shaft 401 is driven to rotate through the meshing of the racks 405 and the gears 406, the rotating shaft 401 can drive the plurality of lifting plates 30 to synchronously rotate when rotating, so that the plurality of lifting plates 30 are correspondingly rotated into the plurality of cutting slits one by one and move upwards along the plurality of cutting slits, and support is provided for a plurality of different upper buildings, thereby reducing the cutting resistance of the plurality of cutting saw blades 201, improving the service life of the plurality of cutting saw blades 201, and ensuring that the plurality of cutting saw blades 201 can smoothly transversely cut a subsequent building.
Referring to fig. 1, in one embodiment, the bottom of the supporting frame 10 is provided with casters 101 to facilitate moving the supporting frame 10 to the front of the building for dismantling when dismantling the building is required.
In the embodiment of the invention, when a building needs to be dismantled, the supporting frame 10 can be placed on one side of the building to be dismantled, then the second driving component 50 is utilized to drive the cutting component 20 to horizontally move so as to transversely cut the building, a cutting seam can be left on one side of the building when the cutting component 20 transversely cuts the building, the building at the moment can form an upper building and a lower building by taking the cutting seam as a boundary, the first driving component 40 drives the lifting plate 30 to rotate into the cutting seam, and after the lifting plate 30 rotates into the cutting seam, the first driving component 40 drives the lifting plate 30 to move upwards.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A demolition device applied to a building is characterized by comprising a supporting frame, a cutting assembly, a lifting plate, a first driving assembly and a second driving assembly,
the cutting assembly is arranged at one side of the supporting frame,
the second driving component is arranged on the inner side of the supporting frame and is used for driving the cutting component to horizontally move so as to transversely cut the building,
a transverse cutting seam may be formed at one side of the building after the cutting assembly transversely cuts the building,
the lifting plate is movably arranged on the inner side of the supporting frame, the first driving component is arranged on the inner side of the supporting frame and is used for driving the lifting plate to rotate into the cutting seam and move upwards along the cutting seam,
the cutting assembly includes a cutting blade, a drive shaft and a first motor,
one end of the driving shaft is connected with the output end of the first motor, the other end of the driving shaft is connected with the cutting saw blade, one side of the first motor is fixedly provided with a mounting seat,
the second driving component comprises a screw rod and a second motor,
the second motor is fixedly arranged on the inner wall of the supporting frame, one end of the screw rod is connected with the output end of the second motor, the other end of the screw rod penetrates through the mounting seat and is in threaded fit with the mounting seat,
the first driving component comprises a rotating shaft, a threaded sleeve, a rack and a gear,
the rotating shaft is vertically distributed at the inner side of the supporting frame, the upper end and the lower end of the rotating shaft are respectively connected with the inner wall of the supporting frame in a rotating way, the rotating shaft is provided with a threaded section, the threaded sleeve is sleeved at the outer part of the rotating shaft and is in threaded fit with the threaded section,
lifting board one end with screw sleeve fixed connection, the gear is fixed to be set up the pivot is outside, rack one end is in through connecting rod fixed mounting the mount pad bottom, the rack can with gear engagement.
2. The dismantling device for the building according to claim 1, wherein a guide rail is fixedly arranged on the top wall of the inner side of the supporting frame, the guide rail is distributed in parallel with the screw rod, a sliding rod is fixedly arranged on the upper portion of the mounting seat, and a sliding groove matched with the guide rail is formed in the upper end of the sliding rod.
3. A demolition arrangement for a building according to claim 1, c h a r a c t e r i z e d in that the lifting plate is on the same level as the cutting blade and the lifting plate has a thickness smaller than the thickness of the cutting blade.
4. The demolition unit for a building according to claim 1, wherein the cutting saw blade is provided with a plurality of groups, a plurality of the cutting saw blades are sequentially spaced apart along the length direction of the driving shaft,
correspondingly, the lifting plates and the cutting saw blades are provided with a plurality of groups, and the lifting plates are sequentially distributed at intervals along the length direction of the rotating shaft.
5. A demolition arrangement for a building according to claim 1, c h a r a c t e r i z e d in that the support frame is provided with casters at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311052336.8A CN116852545B (en) | 2023-08-21 | 2023-08-21 | Demolition device applied to building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311052336.8A CN116852545B (en) | 2023-08-21 | 2023-08-21 | Demolition device applied to building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116852545A CN116852545A (en) | 2023-10-10 |
| CN116852545B true CN116852545B (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311052336.8A Active CN116852545B (en) | 2023-08-21 | 2023-08-21 | Demolition device applied to building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116852545B (en) |
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| EP2907631A1 (en) * | 2014-01-14 | 2015-08-19 | Etablissements Pierre Grehal et Cie SA | Stop with double function for a device for cutting plates |
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| KR102158590B1 (en) * | 2020-05-07 | 2020-09-22 | (주)한강코아 | Brick wall dismantling method |
| CN112854815A (en) * | 2021-01-14 | 2021-05-28 | 滨州学院 | Building wall is with demolising controlling means |
| CN113400499A (en) * | 2021-08-03 | 2021-09-17 | 中国十七冶集团有限公司 | Clamping device for preventing rope saw during concrete cutting operation and using method thereof |
| CN214238895U (en) * | 2020-12-15 | 2021-09-21 | 中建海峡建设发展有限公司 | Attached building cutting machine |
| CN114523151A (en) * | 2022-02-23 | 2022-05-24 | 湖北中昌顺建设工程有限公司 | Building material cutting device for building site |
| CN217196233U (en) * | 2022-01-17 | 2022-08-16 | 重庆华姿装饰工程有限公司 | Wall grooving machine |
| CN115853313A (en) * | 2022-12-29 | 2023-03-28 | 湖北洲天建设集团有限公司 | Existing building floor dismantling, rebuilding and expanding equipment and rebuilding and expanding method thereof |
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2023
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2907631A1 (en) * | 2014-01-14 | 2015-08-19 | Etablissements Pierre Grehal et Cie SA | Stop with double function for a device for cutting plates |
| CN210831008U (en) * | 2019-04-24 | 2020-06-23 | 浙江蓝清市政建设集团有限公司 | Local breaking-in device for non-excavation type pipeline repair |
| CN210817715U (en) * | 2019-09-24 | 2020-06-23 | 南京智华博智能科技有限公司 | Window frame cutting device |
| KR102158590B1 (en) * | 2020-05-07 | 2020-09-22 | (주)한강코아 | Brick wall dismantling method |
| CN214238895U (en) * | 2020-12-15 | 2021-09-21 | 中建海峡建设发展有限公司 | Attached building cutting machine |
| CN112854815A (en) * | 2021-01-14 | 2021-05-28 | 滨州学院 | Building wall is with demolising controlling means |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116852545A (en) | 2023-10-10 |
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