CN114704122A - Method for dismantling roof of existing building - Google Patents
Method for dismantling roof of existing building Download PDFInfo
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- CN114704122A CN114704122A CN202210408762.XA CN202210408762A CN114704122A CN 114704122 A CN114704122 A CN 114704122A CN 202210408762 A CN202210408762 A CN 202210408762A CN 114704122 A CN114704122 A CN 114704122A
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- existing building
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 165
- 239000010959 steel Substances 0.000 claims abstract description 165
- 238000005520 cutting process Methods 0.000 claims abstract description 75
- 238000010276 construction Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims description 27
- 238000001179 sorption measurement Methods 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
- E04G23/082—Wrecking of buildings using shears, breakers, jaws and the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/12—Equipment for indicating where to cut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
- B23D49/02—Hacksaw machines with straight saw blades secured to a rectilinearly-guided frame, e.g. with the frame fed stepwise in the plane of the guide
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (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 application relates to the field of building roof demolition, in particular to a method for demolishing an existing building roof, which comprises the steps of determining the connecting position of a steel plate and a steel structure on a roof so as to determine the position of the steel plate to be cut; cutting steel plates between the steel structures, and leaving the rest steel plates on the steel structures; determining the cutting position of the steel structure, and marking the cutting position; fixing a steel structure to be cut by using a lifting rope; and (3) building a support frame for a worker to stand below the roof, and cutting the steel structure to remove the steel structure, the residual steel plates on the steel structure and the fixed top. This application has the effect that conveniently demolish steel sheet and steel construction constitution roofing.
Description
Technical Field
The invention relates to the field of building roof demolition, in particular to a method for demolishing an existing building roof.
Background
The color steel roof is a common building roof structure, and the steel structure is required to be built between concrete side walls of a building by arranging the color steel roof, and then the steel plates are hung on the steel structure, so that the steel plates are fixed on the steel structure by the fixing top after being arranged in order on the steel structure.
When rebuilding the building, the old steel roof needs to be dismantled, and the dismantling of the color steel roof in the related art usually requires that constructors stand on the color steel roof, dismantle the fixed roof one by one, take off the steel plate, and cut off the steel structure by using cutting equipment.
For the above-mentioned related art, the inventor thinks that there are the following defects, the volume of fixed roof is less relative to the roofing, when the number of fixed roof sets up more, demolish comparatively complicatedly, influence the efficiency that the roofing demolishd.
Disclosure of Invention
In order to facilitate the dismantling operation of the roof formed by the steel plates and the steel structure, the application provides a roof dismantling method for the existing building.
The application provides a method for dismantling the roof of the existing building adopts the following technical scheme:
a method for removing the roof of existing building includes
Determining the connecting position of a steel plate and a steel structure on the roof so as to determine the position of the steel plate to be cut;
cutting steel plates between the steel structures, and leaving the rest steel plates on the steel structures;
determining the cutting position of the steel structure, and marking the cutting position;
fixing a steel structure to be cut by using a lifting rope;
and (3) building a support frame for a worker to stand below the roof, and cutting the steel structure to remove the steel structure, the residual steel plates on the steel structure and the fixed top.
Through adopting above-mentioned technical scheme, cutting the steel sheet back, cutting the steel construction, cutting remaining steel sheet and fixed top and staying on the steel construction, directly dismantling the steel construction, compare in dismantling fixed top one by one, carry out the mode that steel sheet, steel construction demolishd again, improved the efficiency that the roofing was demolishd.
Preferably, the step of cutting the steel plate between the steel structures and before the rest of the steel plate is left on the steel structures further comprises
A safety net with a protection function is erected below the roof;
the method comprises the following steps of building a support frame for construction workers to stand below a roof, cutting a steel structure, and dismantling the steel structure, the remaining steel plates on the steel structure and the fixed roof before dismantling the steel structure, the remaining steel plates on the steel structure and the fixed roof.
Through adopting above-mentioned technical scheme, the setting of safety net for protect constructor's personal safety, when the phenomenon that personnel, object dropped appearing, the safety net can block, with the factor of safety that improves the construction.
Preferably, the cutting of the steel plates between the steel structures is performed, the remaining steel plates are left in the steel structures, and the cutting is performed by an existing building roof removal apparatus, which includes a cutting structure,
the cutting structure comprises a first lifting piece, a first mounting rod and a cutting assembly, the first lifting piece is arranged on the side wall of the building in a sliding mode, the cutting assembly is mounted on the first mounting rod and comprises a cutter, a cutter frame, a driving gear and a driving piece for enabling the driving gear to rotate, a limiting groove for mounting the cutter is formed in the cutter frame, a guide groove is formed in the limiting groove, a guide block is arranged on the cutter frame, and the guide block is in sliding fit in the guide groove;
the cutter includes the framework and fixes the cutting edge in the framework, the fixed at least two racks that are provided with in the framework, drive gear sets up to incomplete gear, drive gear arranges in between two racks, drive wheel and rack meshing, drive gear rotation energy messenger cutter is in the cutting of horizontal direction reciprocating motion.
Through adopting above-mentioned technical scheme, drive gear rotation enables the cutter at the horizontal direction reciprocating motion, and first lifting unit drives the cutter at vertical direction motion when the cutter at the horizontal direction reciprocating motion to realize the purpose to the steel sheet cutting.
Preferably, the existing building roof dismantling device further comprises a placement platform, a conveying structure for automatically conveying the cut steel plates and a storage structure for storing the cut steel plates,
the article placing platform comprises a first article placing plate, a second article placing plate and a third article placing plate, a supporting rod is fixed between the first article placing plate and the second article placing plate, the supporting rod penetrates through the third article placing plate, the third article placing plate is connected with the supporting rod in a sliding manner, an adjusting piece for driving the second article placing plate to reciprocate is arranged below the second article placing plate, and a driving structure for driving the article placing platform to slide is arranged on the article placing platform;
the carrying structure comprises a second mounting rod, an adsorption component for adsorbing the steel plate and a second lifting piece for adjusting the height of the second mounting rod, and the adsorption component is mounted on the second mounting rod;
the cutting structure is arranged on the first object placing plate, the carrying structure is arranged on the second object placing plate, and the accommodating structure is arranged on the third object placing plate.
Through adopting above-mentioned technical scheme, the bearing effect of various steel roofing is relatively poor, and constructor stands and is under construction on the steel sheet, the condition that falls appears easily, and cutting device is used for cutting automatic steel sheet, and transport structure is arranged in automatic steel sheet that will cut off to accomodating and accomodates in the structure, and this process does not need constructor to stand on the steel sheet, has protected constructor's personal safety.
Preferably, the adsorption component comprises an adsorption pipe and a sucker communicated with the adsorption pipe, a cavity communicated with the adsorption pipe is arranged in the second installation rod, and the cavity is further connected with a negative pressure pipe and negative pressure pumping equipment.
Through adopting above-mentioned technical scheme, be negative pressure state in messenger's adsorption tube and the sucking disc to make the sucking disc adsorb on the steel sheet, in order to reach the purpose that makes the automatic steel sheet of taking of sucking disc.
Preferably, the driving structure comprises a winding wheel, a pull rope and a rotating part, wherein the winding wheel is rotatably arranged, the pull rope is wound on the winding wheel, the rotating part is used for driving the winding wheel to rotate, one end of the pull rope is fixed with the first object placing plate, and the other end of the pull rope is fixed with the winding wheel.
Through adopting above-mentioned technical scheme, the rolling wheel rotates, rolls the stay cord, can drive storage platform and slide along the slide rail to the work that the steel sheet excision was carried out in proper order to the device is demolishd on messenger's existing building roof.
Preferably, the accommodating structure comprises a bottom plate and a blocking rod, the blocking rod is fixedly connected with the bottom plate, and the blocking rod is arranged on the bottom plate in an enclosing manner.
Through adopting above-mentioned technical scheme, the steel sheet that the cutting was got off can be accomodate on the bottom plate, and shelves pole is used for restricting the position of steel sheet, reduces the phenomenon that the steel sheet falls out the bottom plate to appear.
Preferably, the cutting structure still includes adjusting part, adjusting part includes solid fixed ring, jib and fastener, gu fixed ring cover establish on first installation pole and with first installation pole sliding connection, jib and solid fixed ring, knife rest fixed connection, the fastener sets up to the bolt, fastener and solid fixed ring threaded connection, fastener and jib butt.
Through adopting above-mentioned technical scheme, solid fixed ring sliding connection on first installation pole to make solid fixed ring adjust the position on first installation pole, the setting of fastener for make solid fixed ring's rigidity.
Drawings
Fig. 1 is a schematic structural view showing a safety net in a roof demolition method of an existing building according to an embodiment of the present application.
Fig. 2 is a schematic view of the overall structure of a roof-dismantling device for an existing building, which is mounted on a roof according to an embodiment of the present application.
Fig. 3 is an exploded view of an existing roof demolition apparatus of a building according to an embodiment of the present disclosure showing a slider and a slide rail.
Fig. 4 is a schematic structural diagram of an existing roof demolition device according to an embodiment of the present application.
Fig. 5 is a schematic structural view of a driving structure in an existing roof demolition apparatus of a building according to an embodiment of the present application.
Fig. 6 is a schematic structural view of a cutting structure in a conventional roof demolition apparatus for a building according to an embodiment of the present application.
Fig. 7 is a schematic structural view of a carrying structure and a receiving structure in an existing roof demolition device of a building according to an embodiment of the present application.
Reference numerals: 10. a side wall; 11. a steel structure; 12. a steel plate; 13. a safety net; 2. a slide rail; 20. a slider; 21. a support; 22. an ear plate; 23. a chute; 3. a placement platform; 30. a first object placing plate; 300. hanging a ring; 31. a second storage plate; 32. a third storage plate; 320. a yielding groove; 33. a support bar; 34. an adjustment member; 35. a drive structure; 350. a winding wheel; 351. pulling a rope; 352. a rotating member; 353. a connecting ring; 4. cutting the structure; 40. a first lifting member; 41. a first mounting bar; 42. an adjustment assembly; 420. a fixing ring; 421. a boom; 422. a fastener; 43. a cutting assembly; 44. a tool holder; 440. a limiting groove; 441. a transverse opening; 442. a longitudinal opening; 443. a guide groove; 444. a guide block; 45. a cutter; 450. a frame body; 451. a blade; 452. a rack; 46. a drive gear; 47. a drive member; 5. a carrying structure; 50. a second lifting member; 51. a second mounting bar; 510. a cavity; 52. an adsorption component; 520. an adsorption tube; 521. a suction cup; 523. a negative pressure tube; 6. a receiving structure; 60. a base plate; 600. a strut; 61. a gear lever.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a method for dismantling the roof of an existing building, which is used for dismantling a steel plate 12 and a steel structure 11 on a color steel roof by referring to fig. 1, and comprises the following steps:
and S1, building a safety net 13 under the roof.
Concretely, fixed safety net 13 on side wall 10 makes the safety net arrange the below of roofing steel construction 11 and steel sheet 12 in, and safety net 13 sets up to the steel material, and safety net 13 plays the effect of protection, and the condition that personnel and article fall appears in one reduction, the construction environment's of protection safety
S2, determining the connecting position of the steel plate 12 on the roof and the steel structure 11, and determining the position of the steel plate 12 to be cut;
s3, cutting off the steel plates 12 between the steel structures 11, and leaving the rest steel plates 12 on the steel structures 11;
s30, cutting the steel plate 12;
specifically, the steel plate 12 is cut according to the position of the steel plate 12 to be cut determined in step S2 to partially cut the steel plate 12, and the remaining steel plate 12 is left on the steel structure 11.
S31, collecting the cut steel plate 12;
s4, dismantling the safety net 13;
s5, determining the cutting position of the steel structure 11 and marking the cutting position;
and S6, binding and fixing the steel structure 11 to be cut by using a lifting rope of the lifting equipment.
S7, building a support frame for workers to stand below the roof, cutting the steel structure 11 to detach the steel structure 11, the residual steel plates 12 on the steel structure 11 and the fixed top, wherein the support frame is a scaffold.
The implementation principle of the existing building roof dismantling method in the embodiment of the application is as follows: cutting steel sheet 12, cutting steel construction 11 again, remaining steel sheet 12 of cutting on the steel construction 11 and fixed top are in the time of dismantling steel construction 11, are demolishd along with steel construction 11 together, compare in removing one by one fixed top, demolish steel sheet 12 and steel construction 11's mode again, have improved the efficiency that the roofing was demolishd.
The application also discloses an existing building roof dismantling device and an application and the existing building roof dismantling method.
Referring to fig. 2, the existing building roof dismantling device includes a slide rail 2, a placement platform 3 slidably connected to the slide rail 2, a cutting structure 4, a carrying structure 5 and a storage structure 6, the cutting structure 4 is arranged on the placement platform 3, the carrying structure 5 is arranged on the placement platform 3, the cutting structure 4 is used for cutting a steel plate 12, and the carrying structure 5 is used for automatically carrying the cut steel plate 12 into the storage structure 6 for storage.
Referring to fig. 2 and 3, the slide rail 2 is fixed on the outer wall of the building side wall 10 through an expansion bolt, the object platform 3 is fixedly provided with a slide block 20, the slide rail 2 is provided with a slide groove 23, the slide block 20 is in sliding fit in the slide groove 23, and the slide block 20 is a T-shaped block.
Referring to fig. 3, the storage platform 3 includes a first storage plate 30, a second storage plate 31 and a third storage plate 32, two support rods 33 are fixedly disposed between the first storage plate 30 and the second storage plate 31, an abdicating groove 320 is disposed on the third storage plate 32, the second storage plate 31 is disposed between the first storage plate 30 and the third storage plate 32, the support rods 33 penetrate through the second storage plate 31, the second storage plate 31 is slidably connected to the support rods 33, adjustment members 34 are disposed on lower surfaces of the first storage plate 30 and the second storage plate 31, the adjustment members 34 are hydraulic cylinders, one ends of the adjustment members 34 are welded to the first storage plate 30, the other ends of the adjustment members 34 are welded to the second storage plate 31, and the adjustment members 34 can enable the second storage plate 31 to slide on the support rods 33 by stretching and retracting.
Referring to fig. 3 and 4, one end of the sliding rail 2 is provided with a driving structure 35 for driving the platform 3 to slide. Drive structure 35 includes rolling wheel 350, stay cord 351 and rotation piece 352, drive structure 35 installs on support 21, support 21 passes through expansion bolts to be fixed on the outer wall of building, vertically on the support 21 be provided with two otic placodes 22, rolling wheel 350 rotates and sets up on otic placode 22, the one end of stay cord 351 is fixed on rolling wheel 350, stay cord 351 twines on rolling wheel 350, the other end of stay cord 351 is provided with go-between 353, the lower surface welding of first thing board 30 of putting has link 300, go-between 353 hangs on link 300, so that stay cord 351 fixes the lower surface at first thing board 30 of putting, rotation piece 352 sets up to the motor, rotation piece 352 fixes on support 21, the motor shaft and the rolling wheel 350 coaxial fixed of rotation piece 352. The rotating member 352 drives the winding wheel 350 to rotate so as to wind and unwind the pull rope 351, so as to drive the platform 3 to move along the sliding rail 2.
Referring to fig. 4 and 6, the cutting structure 4 includes a first lifting member 40, a first mounting rod 41, an adjusting assembly 42 and a cutting assembly 43, the first lifting member 40 is configured as a hydraulic cylinder, the first lifting member 40 is vertically fixed on the first object placing plate 30, the first mounting rod 41 is erected above the steel plate 12, two ends of the first mounting rod 41 are fixed with a cylinder shaft of the first lifting member 40, and the adjusting assembly 42 is used for adjusting the position of the cutting assembly 43 on the first mounting rod 41, and then adjusting the cutting position of the cutting assembly 43.
Referring to fig. 6, the adjusting assembly 42 includes a fixing ring 420, a suspension rod 421 and a fastening piece 422, the fixing ring 420 is sleeved on the first mounting rod 41, the fixing ring 420 is slidably connected to the first mounting rod 41, the fastening piece 422 is provided as a bolt, a threaded hole is formed in the fixing ring 420, the fastening piece 422 is disposed in the threaded hole in a penetrating manner, the fastening piece 422 is in threaded connection with the fixing ring 420, one end of the suspension rod 421 is welded to the fixing ring 420, and the cutting assembly 43 is installed at the other end of the suspension rod 421.
Referring to fig. 6, the cutting assembly 43 includes a tool post 44, a cutting knife 45, a driving gear 46 and a driving member 47, the tool post 44 is welded to one end of the suspension rod 421 away from the fixing ring 420, a limiting groove 440 for limiting the movement of the cutting knife 45 is formed in the tool post 44, a transverse opening 441 and a longitudinal opening 442 are formed in the limiting groove 440 in the tool post 44, the opening direction of the transverse opening 441 is perpendicular to the opening direction of the longitudinal opening 442, and a guide groove 443 is formed in an inner wall of the limiting groove 440.
Referring to fig. 6, the cutting blade 45 includes a frame 450 and a blade 451, the frame 450 is a rectangular frame, the blade 451 is fixedly disposed on the frame 450, the blade 451 is disposed toward the steel plate 12, the frame is disposed in the limiting groove 440, the frame 450 is fixedly disposed with a guide block 444, and the guide block 444 is slidably fitted in the guide groove 443. The driving gear 46 is set to be an incomplete gear, two opposite side faces of the long edge of the frame body 450 are provided with racks 452, the driving gear 46 is rotatably arranged in the limiting groove 440, the driving gear 46 is meshed with the racks 452, the driving part 47 is set to be a motor, and a motor shaft of the driving part 47 is coaxially fixed with the driving gear 46. The driving member 47 rotates the driving gear 46, and the driving gear 46 moves the tool post 44 to reciprocate in the horizontal direction to perform the operation of cutting the steel sheet 12.
Referring to fig. 7, the carrying structure 5 includes a second lifter 50, a second mounting rod 51 and a suction assembly 52, the second lifter 50 is provided as a hydraulic cylinder, the second lifter 50 is vertically provided on the second object placing plate 31, the second mounting rod 51 is erected above the steel plate 12, the second mounting rod 51 is welded to a cylinder shaft of the second lifter 50, and the suction assembly 52 is mounted on the second mounting rod 51 to suck the cut steel plate 12.
Referring to fig. 7, a cavity 510 is formed in the second mounting rod 51, the adsorption component 52 is mounted on the second mounting rod 51 and communicated with the cavity 510, the adsorption component 52 includes an adsorption tube 520 and a suction cup 521, one end of the adsorption tube 520 is fixed on the second mounting rod 51 and communicated with the cavity 510, the suction cup 521 is mounted at the other end of the adsorption tube 520, the cavity 510 is further communicated with a negative pressure tube 523, the other end of the negative pressure tube 523 is connected with a negative pressure pumping device, and the negative pressure pumping device is a vacuum pump. The suction cup 521 is pressed against the steel plate 12, and a vacuum pump is used to pump a negative pressure into the cavity 510 of the second mounting rod 51 and the suction pipe 520, so that the suction cup 521 fixes the steel plate 12 when cutting the steel plate 12. A space for the cutting assembly 43 to pass through is provided between the suction assembly 52 and the second lifter 50 to give way for the cutting work of the cutting assembly 43.
Referring to fig. 7, the storage structure 6 includes a bottom plate 60 and a plurality of blocking rods 61 vertically disposed on the bottom plate 60, the bottom plate 60 is disposed in a rectangular plate-shaped structure, the blocking rods 61 are disposed along the length direction of the bottom plate 60 at intervals, the blocking rods 61 are disposed along the width direction of the bottom plate 60 at intervals, a supporting rod 600 is vertically welded to the lower surface of the bottom plate 60, and the supporting rod 600 is welded to the third object placing plate 32. The cut steel plate 12 is placed on the base plate 60 to temporarily store the steel plate 12.
The implementation principle of the existing building roof demolition device in the embodiment of the application is as follows: the second lifting member 50 drives the suction cup 521 to move towards the steel plate 12 so as to fix the steel plate 12 to be cut, the first lifting member 40 drives the cutting assembly 43 to move towards the steel plate 12, meanwhile, the driving member 47 drives the cutter 45 to reciprocate in the horizontal direction through the driving gear 46 so as to cut the steel plate 12 until the steel plate 12 is cut, the cut steel plate 12 is adsorbed on the suction cup 521, after the second lifting member 50 drives the suction cup 521 to move upwards, the adjusting member 34 drives the second object placing plate 31 to drive the suction cup 521 to move in the horizontal direction until the suction cup 521 and the cut steel plate 12 are placed above the bottom plate 60, so that the pressure in the suction cup 521 is recovered to the standard air pressure, the cut steel plate 12 falls on the bottom plate 60 due to gravity, and the operation is repeated so as to automatically cut the steel plate 12.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A method for removing the roof of an existing building is characterized in that: comprises that
Determining the connecting position of a steel plate (12) and a steel structure (11) on the roof so as to determine the position of the steel plate (12) to be cut;
cutting the steel plates (12) between the steel structures (11), and remaining steel plates (12) and the fixed roof are left on the steel structures (11);
determining the cutting position of the steel structure (11) and marking the cutting position;
fixing a steel structure (11) to be cut by using a lifting rope;
and (3) building a support frame for a constructor to stand under the roof, and cutting the steel structure (11) so as to remove the steel structure (11), the residual steel plates (12) on the steel structure (11) and the fixed roof.
2. The existing building roof demolition method according to claim 1, wherein: the steps are to cut the steel plates (12) between the steel structures (11), and the steps also comprise that the rest steel plates (12) are left on the steel structures (11) before
Step one, a safety net (13) with a protection function is erected below the roof;
the method comprises the following steps of building a support frame for construction workers to stand below a roof, cutting a steel structure (11) to remove the steel structure (11), the residual steel plates (12) on the steel structure (11) and a fixed top, and removing a safety net (13).
3. The existing building roof demolition method according to claim 1 or 2, characterized in that: the cutting of the steel sheets (12) between the steel structures (11) is performed, the remaining steel sheets (12) are left in the steel structures (11) and are cut by an existing building roof removal device, which includes a cutting structure (4),
the cutting structure (4) comprises a first lifting piece (40), a first mounting rod (41) and a cutting assembly (43), the first lifting piece (40) is arranged on the side wall of a building in a sliding mode, the cutting assembly (43) is mounted on the first mounting rod (41), the cutting assembly (43) comprises a cutter (45), a cutter rest (44), a driving gear (46) and a driving piece (47) used for enabling the driving gear (46) to rotate, a limiting groove (440) used for mounting the cutter (45) is formed in the cutter rest (44), a guide groove (443) is formed in the limiting groove (440), a guide block (444) is arranged on the cutter rest (44), and the guide block (444) is in sliding fit in the guide groove (443);
the cutting knife (45) comprises a frame body (450) and a cutting edge (451) fixed on the frame body (450), at least two racks (452) are fixedly arranged on the frame body (450), the driving gear (46) is arranged to be an incomplete gear, the driving gear (46) is arranged between the two racks (452), the driving wheel is meshed with the racks (452), and the driving gear (46) rotates to enable the cutting knife (45) to reciprocate in the horizontal direction to cut.
4. A method of demolishing a roof of an existing building according to claim 3, wherein: the existing building roof dismantling device also comprises a storage platform (3), a carrying structure (5) for automatically carrying the cut steel plate (12) and a containing structure (6) for containing the cut steel plate (12),
the article placing platform (3) comprises a first article placing plate (30), a second article placing plate (31) and a third article placing plate (32), a supporting rod (33) is fixed between the first article placing plate (30) and the second article placing plate (31), the supporting rod (33) penetrates through the third article placing plate (32), the third article placing plate (32) is connected with the supporting rod (33) in a sliding mode, an adjusting piece (34) used for driving the second article placing plate (31) to reciprocate is arranged below the second article placing plate (31), and a driving structure (35) used for driving the article placing platform (3) to slide is arranged on the article placing platform (3);
the carrying structure (5) comprises a second mounting rod (51), an adsorption component (52) for adsorbing the steel plate (12) and a second lifting piece (50) for adjusting the height of the second mounting rod (51), wherein the adsorption component (52) is mounted on the second mounting rod (51);
the cutting structure (4) is installed on the first object placing plate (30), the carrying structure (5) is installed on the second object placing plate (31), and the storage structure (6) is installed on the third object placing plate (32).
5. The existing building roof demolition method according to claim 4, wherein: the adsorption component (52) comprises an adsorption pipe (520) and a suction disc (521) communicated with the adsorption pipe (520), a cavity (510) communicated with the adsorption pipe (520) is arranged in the second installation rod (51), and the cavity (510) is further connected with a negative pressure pipe (523) and negative pressure pumping equipment.
6. The existing building roof demolition method according to claim 4, wherein: drive structure (35) are including rolling wheel (350), the stay cord (351) of winding on rolling wheel (350) that rotate the setting and be used for driving rolling wheel (350) pivoted rotation piece (352), stay cord (351) one end is fixed with first thing board (30) of putting, the other end and rolling wheel (350) of stay cord (351) are fixed.
7. The existing building roof demolition method according to claim 4, wherein: accomodate structure (6) including bottom plate (60) and shelves pole (61), shelves pole (61) and bottom plate (60) fixed connection, shelves pole (61) enclose to be established on bottom plate (60).
8. The existing building roof demolition method according to claim 4, wherein: cutting structure (4) still includes adjustment assembly (42), adjustment assembly (42) are including solid fixed ring (420), jib (421) and fastener (422), gu fixed ring (420) cover establish on first installation pole (41) and with first installation pole (41) sliding connection, jib (421) and solid fixed ring (420), knife rest (44) fixed connection, fastener (422) set up to the bolt, fastener (422) and solid fixed ring (420) threaded connection, fastener (422) and jib (421) butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210408762.XA CN114704122B (en) | 2022-04-19 | 2022-04-19 | Method for dismantling roof of existing building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210408762.XA CN114704122B (en) | 2022-04-19 | 2022-04-19 | Method for dismantling roof of existing building |
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| CN114704122A true CN114704122A (en) | 2022-07-05 |
| CN114704122B CN114704122B (en) | 2023-12-01 |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103145036A (en) * | 2013-03-07 | 2013-06-12 | 中国建筑第八工程局有限公司 | Removing tool and removing method of indoor ultrahigh assembly-type steel structure support system |
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| CN114704122B (en) | 2023-12-01 |
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