CN115853313A - Existing building floor dismantling, rebuilding and expanding equipment and rebuilding and expanding method thereof - Google Patents
Existing building floor dismantling, rebuilding and expanding equipment and rebuilding and expanding method thereof Download PDFInfo
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- CN115853313A CN115853313A CN202211701695.7A CN202211701695A CN115853313A CN 115853313 A CN115853313 A CN 115853313A CN 202211701695 A CN202211701695 A CN 202211701695A CN 115853313 A CN115853313 A CN 115853313A
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Abstract
A dismantling and rebuilding and expanding equipment for an existing building floor and a rebuilding and expanding method thereof are characterized in that: the multi-section combined supporting structure comprises a supporting steel frame, a heightening hydraulic cylinder, a lifting frame and a lifting hydraulic cylinder, has a lifting adjusting function, can move transversely and longitudinally as required, can be accurately adjusted to a floor slab removing marking position, and can realize matrix type block cutting and removing of a floor slab.
Description
Technical Field
The invention relates to dismantling, rebuilding and expanding equipment and a rebuilding and expanding method thereof, in particular to dismantling, rebuilding and expanding equipment and a rebuilding and expanding method thereof for an existing building floor, and belongs to the technical field of building construction equipment.
Background
Through construction and development for many years, old buildings are increased day by day, and meanwhile, as the building functional design cannot meet the current use requirement, more and more buildings need to be rebuilt or expanded, and the rebuilding and expanding projects for the old buildings are increased day by day. If the traditional common construction method is adopted to demolish and rebuild the building with the lower height of the original floor, a lot of construction problems exist, the construction problems are not only limited by the effective construction and expansion space, large-scale demolition equipment cannot be used, and the building can only be demolished by the traditional impact drill and the traditional cutting machine, so that the construction difficulty is high, the construction safety cannot be guaranteed, the construction efficiency is low, and the labor intensity of constructors is very high. In addition, adopt the tradition to break open construction equipment and cause collateral damage to the building very easily, for example destroyed the beam column structure that does not demolish, broken not demolish floor etc. and be unfavorable for the overall structure safety of building, demolish the support of process moreover and strut the cost higher, support through traditional steel pipe scaffold and strut, not only the installation is dismantled the operation process loaded down with trivial details, and it is very big to occupy the indoor space moreover, is unfavorable for demolising the clearance transportation of component. After the demolition members are demolished and separated, manual assistance is needed for hoisting, multiple construction workers are needed to finish the fixation and hoisting of the prefabricated members on site, the hoisting process efficiency is low, the weight of the demolition members in a suspended state is large, and great potential safety hazards are formed for operating personnel for the demolition members with parts broken or cracked in the demolition process. Therefore, the traditional floor slab dismantling operation mode has the problems of low automation degree, high dismantling construction difficulty in a limited indoor space, high hoisting difficulty, high labor intensity of personnel, inconvenience for the safety of the whole structure of a building, high supporting and supporting cost, difficulty in safety guarantee and the like, and the invention aims to solve the technical problem.
Disclosure of Invention
The invention aims at the defects and the defects that the traditional floor slab demolishing operation mode has low automation degree, demolishing construction difficulty in a limited indoor space is high, demolishing and hoisting processes need multiple building workers to cooperate, hoisting difficulty is high, labor intensity of personnel is high, safety of the whole structure of a building is not facilitated, supporting and supporting cost is high, and great potential safety hazards are formed for operating personnel.
The second purpose of the invention is to provide a method for modifying and expanding the existing building floor slab, which has the advantages of reasonable process, safe and reliable equipment use, capability of accurately cutting and removing the floor slab, capability of avoiding the collateral damage to the building caused by the traditional removing construction mode and improvement of the construction safety performance, and aims to overcome the defects that the traditional floor slab removing operation mode has low efficiency, the building is easily damaged by the collateral damage and the building structure is not safe, the traditional steel pipe scaffold is supported and supported to be not beneficial to construction, the labor intensity is high in the removing process, and the safety performance is not good.
In order to achieve the first object, the technical solution of the present invention is: the utility model provides an existing building floor demolishs and reforms enlargement equipment, including supporting the steelframe, supporting the steelframe and shelve on the ground floor, supporting the steelframe and be more than one and set up in pairs, install the crane between two parallel distribution's the support steelframe, install the heightening pneumatic cylinder between the upper end of support steelframe and the upper portion four corners of crane, the bottom left and right sides of crane is provided with horizontal slide rail along the length direction level that supports the steelframe, install the sliding seat on the horizontal slide rail, install hydraulic cylinder on the sliding seat perpendicularly, the upper end of hydraulic cylinder is installed the bearing frame that the level set up, the upper surface of bearing frame is floor shelving face, transverse moving frame and longitudinal movement frame are installed respectively to the bottom of bearing frame, transverse moving frame and longitudinal movement frame are in different horizontal planes and perpendicular distribution with longitudinal movement frame, install the transverse moving device that drives transverse moving frame round trip movement between bearing frame and the transverse moving frame, install the longitudinal movement device that drives longitudinal movement frame round trip movement, install the transverse cutting machine through saw bit height adjustment device on the transverse moving frame.
Furthermore, the transverse moving device and the longitudinal moving device respectively comprise a screw rod, a servo motor and a screw rod nut, the screw rod on the transverse moving device is transversely arranged on a horizontal plane, one end of the screw rod is installed on the bearing frame through a screw rod bearing seat, the other end of the screw rod is coaxially fixed with a rotating shaft of the servo motor, and a shell of the servo motor is installed and fixed on the bearing frame; the lead screw on the longitudinal moving device is longitudinally arranged on a horizontal plane, one end of the lead screw is installed on the bearing frame through a lead screw bearing seat, the other end of the lead screw is coaxially fixed with a rotating shaft of the servo motor, and a shell of the servo motor is installed and fixed on the bearing frame.
Further, a plurality of steel rollers are installed through the universal wheel seat in the bottom of supporting the steelframe, and telescopic landing leg is installed at the bottom four corners or a plurality of atress positions of supporting the steelframe, and the top of supporting the steelframe is provided with floor support piece.
Furthermore, the lower end of the lifting frame extends to the lower parts of the two support steel frames which are arranged in parallel, the front end and the rear end of the lower part of the lifting frame are horizontally connected with bottom cross beams, the upper end of each bottom cross beam is provided with a groove, and a long single roller or a plurality of rollers which are coaxially arranged are arranged in each groove.
Furthermore, the bottom of the bearing frame, the transverse moving frame or the longitudinal moving frame are provided with impact hammers, impact hammer heads of the impact hammers face the inner sides of the floor slab cutting seams to remove the bottom of the floor slab, the floor slab placing surface is provided with a plurality of mounting holes, and elastic supporting pieces capable of temporarily supporting and buffering the floor slab are mounted in the mounting holes.
Furthermore, elastic support piece includes adjustable sleeve, support steel column and damping spring, and adjustable sleeve is installed through the screw thread to the bottom of mounting hole, and adjustable telescopic inside from the top down installs the support steel column, supports and installs damping spring between steel column and the telescopic inboard bottom.
Further, a transverse sliding rail is arranged on the transverse moving frame along the length direction, a transverse sliding seat is mounted on the transverse sliding rail, a transverse cutting machine is mounted on the transverse sliding seat through a saw blade height adjusting device, a rack parallel to the transverse sliding rail is arranged on the transverse moving frame, a sliding seat servo motor is mounted on the transverse sliding seat, a gear is fixed on an output shaft of the sliding seat servo motor 34, and the gear is meshed with the rack.
Furthermore, a longitudinal sliding rail is arranged on the longitudinal moving frame along the length direction, a longitudinal sliding seat is mounted on the longitudinal sliding rail, a longitudinal cutting machine is mounted on the longitudinal sliding seat through a saw blade height adjusting device, a rack parallel to the longitudinal sliding rail is arranged on the longitudinal moving frame, a sliding seat servo motor is mounted on the longitudinal sliding seat, and a gear is fixed on an output shaft of the sliding seat servo motor and is meshed with the rack.
Further, saw bit height adjusting device includes swing seat, oscillating axle, goes up the connecting rod, articulated shaft and telescoping device down, and it is articulated mutually with the one end of swing seat through the oscillating axle on horizontal sliding seat or the vertical sliding seat, and the bottom of swing seat is connected with the one end of last connecting rod through the connecting axle, and the swing seat is connected with the one end of connecting rod down through the connecting axle, and the other end of going up the connecting rod is connected through the articulated shaft with the other end of connecting rod down, and the articulated shaft is connected with the flexible end of telescoping device.
In order to achieve the second object, the technical solution of the present invention is: a method for dismantling, reconstructing and expanding an existing building floor slab is characterized by comprising the following steps:
a. firstly, arranging support steel frames on a ground floor, installing a lifting frame between two adjacent support steel frames to ensure that the lifting frame is positioned under a floor to be dismantled, stably supporting the support steel frames through telescopic support legs, and propping the floor or a cross beam outside the floor to be dismantled by a floor support;
b. then, the bearing frame is arranged on the lifting frame, cutting equipment and accessories thereof are prepared, and the floor slabs to be dismantled are marked in a partitioning manner according to the dismantling sequence;
c. controlling the heightening hydraulic cylinder to extend upwards for a certain distance, so that the lifting frame is lifted to a certain height to ensure that the bearing frame can bear the floor slab to be dismantled from the bottom;
d. then controlling the lifting hydraulic cylinder to act to drive the bearing frame to move upwards for a certain distance, so that the floor slab placing surface on the bearing frame or the upper end of the elastic supporting piece is in contact with the bottom surface of the floor slab to be dismantled;
e. starting the transverse moving device and the longitudinal moving device closely, respectively driving the transverse cutting machine and the longitudinal cutting machine to move to the positions right below the cutting mark lines of the floor slab under the help of the laser calibrator, and controlling the saw blades of the cutting machine to align to the cutting mark lines;
f. after the cutting machine is started, the saw blade height adjusting device is controlled to drive the cutting machine to move upwards for a certain distance, and after cutting is started, the cutting machine moves along the sliding rail and performs moving cutting according to a cutting mark line;
g. after two parallel transverse cutting seams and two longitudinal cutting seams of each floor slab are finished, starting the impact hammer, hammering from bottom to top, and enabling the cut floor slabs to fall to the upper end of the elastic supporting piece under the action of gravity and fall on the floor slab laying surface after being buffered by the elastic supporting piece;
h. and finally, controlling the lifting hydraulic cylinder to drive the bearing frame to move downwards to the bottom of the lifting frame, and simultaneously controlling the heightening hydraulic cylinder to drive the lifting frame to move downwards to finish the dismantling and downward transportation of the single floor slab.
The beneficial effects of the invention are:
1. the multi-section combined supporting structure formed by the supporting steel frame, the heightening hydraulic cylinder, the lifting frame and the lifting hydraulic cylinder has a lifting adjusting function, can move transversely and longitudinally as required, can be accurately adjusted to the position of a floor slab removing marking line, and realizes matrix type block cutting and removing of the floor slab.
2. The movable and liftable bearing frame is adopted, so that the cut and dismantled floor slabs can be borne, the bearing frame can integrally support the cut and dismantled floor slabs from the bottom, and the cut and dismantled floor slabs can be carried to a ground forklift or other transportation equipment, so that the safety risk of suspended hoisting is avoided, and the safety is improved.
3. The invention realizes the accurate cutting of the floor slab by means of the accurately moving transverse moving cutting device and the longitudinally moving cutting device, can quickly cut and fall to the bearing frame with the assistance of the impact hammer after cutting, can adjust the cutting position and the cutting area each time according to the actual construction site, and has strong adaptability.
4. The invention has reasonable structure, reduces the supporting and supporting difficulty, greatly improves the floor slab dismantling efficiency, only needs one to two monitoring aids for dismantling and hoisting, reduces the labor intensity of personnel, has high dismantling precision, avoids the collateral damage of the traditional dismantling construction mode to the building, has good safety performance, and has wide application in the aspects of dismantling, reconstruction and extension of the existing building.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a state diagram of the use of the present invention.
Figure 3 is a bottom view of the load frame assembly of the present invention.
Fig. 4 is a schematic structural view of the elastic supporting member of the present invention mounted on a load-bearing frame.
Fig. 5 is a schematic structural view of the elastic support member of the present invention.
Fig. 6 is a schematic structural view of the transversely moving cutting device of the present invention.
Fig. 7 is a schematic view of the structure of the longitudinal movement cutting device of the present invention.
Fig. 8 is a schematic view showing the structure of the saw blade height adjusting means of the present invention.
In the figure: the floor system comprises a ground floor 1, a bearing wall 2, a floor 3, a supporting steel frame 4, steel rollers 5, telescopic supporting legs 6, a floor supporting piece 7, a heightening hydraulic cylinder 8, a lifting frame 9, horizontal sliding rails 10, sliding seats 11, a bottom cross beam 12, a laser calibrator 13, a bearing frame 14, a lifting hydraulic cylinder 15, a floor placing surface 16, a mounting hole 17, an adjustable sleeve 18, a supporting steel column 19, a damping spring 20, a transverse moving frame 21, a transverse sliding rail 22, a transverse sliding seat 23, a transverse cutting machine 24, a lead screw 25, a servo motor 26, a lead screw nut 27, a longitudinal moving frame 28, a longitudinal sliding rail 29, a longitudinal sliding seat 30, a longitudinal cutting machine 31, a rack 32, a gear 33, a sliding seat servo motor 34, a telescopic device 35, a swinging seat 36, a swinging shaft 37, an upper connecting rod 38, a lower connecting rod 39 and a hinged shaft 40.
Detailed Description
The invention is described in further detail below with reference to the following description of the drawings and the detailed description.
Referring to fig. 1 to 8, the present invention relates to an existing building floor dismantling, reconstructing and expanding apparatus, which includes a supporting steel frame 4, wherein the supporting steel frame 4 is placed on a ground floor 1, and the apparatus is characterized in that: the utility model discloses a saw blade height adjusting device, including support steelframe 4, crane 9, lifting hydraulic cylinder 15, bearing frame 14, the upper surface of bearing frame 14 is floor laying face 16, lateral shifting frame 21 and longitudinal shifting frame 28 are installed respectively to the bottom of bearing frame 14, lateral shifting frame 21 and longitudinal shifting frame 28 are in different horizontal planes and distribute perpendicularly, install the lateral shifting device that drives lateral shifting frame 21 round trip movement between bearing frame 14 and the lateral shifting frame 21, install the longitudinal movement device that drives longitudinal shifting frame 28 round trip movement between bearing frame 14 and the longitudinal shifting frame 28, install horizontal cutting machine 24 through the height adjusting device on the lateral shifting frame 21, install longitudinal cutting machine 31 through saw blade height adjusting device on the longitudinal shifting frame 28, install vertical cutting machine 9 between two parallel distribution's the support steelframe 4, install heightening hydraulic cylinder 8 between the upper end of support steelframe 4 and the upper portion four corners of crane 9, the bottom left and right sides of crane 9 is provided with horizontal sliding rail 10 along the length direction level of support steelframe 4, install sliding seat 11, install the sliding seat 11 perpendicularly, install hydraulic cylinder 15 on the sliding seat, install the sliding seat is equipped with the horizontal shifting frame 21 perpendicularly.
The transverse moving device and the longitudinal moving device respectively comprise a lead screw 25, a servo motor 26 and a lead screw nut 27, the lead screw 25 on the transverse moving device is transversely arranged on a horizontal plane, one end of the lead screw 25 is installed on the bearing frame 14 through a lead screw bearing seat, the other end of the lead screw 25 is coaxially fixed with a rotating shaft of the servo motor 26, a shell of the servo motor 26 is installed and fixed on the bearing frame 14, and the lead screw nut 27 is installed on the lead screw 25 and fixed with the transverse moving frame 21; the lead screw 25 on the longitudinal moving device is arranged longitudinally on a horizontal plane, one end of the lead screw 25 is installed on the bearing frame 14 through a lead screw bearing seat, the other end of the lead screw 25 is coaxially fixed with a rotating shaft of the servo motor 26, a shell of the servo motor 26 is installed and fixed on the bearing frame 14, and a lead screw nut 27 is installed on the lead screw 25 and fixed with the longitudinal moving frame 28.
Support the bottom of steelframe 4 and install a plurality of steel gyro wheels 5 through the universal wheel seat, support the bottom four corners of steelframe 4 or a plurality of atress positions and install telescopic landing leg 6, the top of supporting steelframe 4 is provided with floor support piece 7.
The lower end of the lifting frame 9 extends to the lower parts of the two support steel frames 4 which are arranged in parallel, and the front end and the rear end of the lower part of the lifting frame 9 are horizontally connected with a bottom cross beam 12; the upper end surface of one side of the bottom beam 12 is provided with a groove, and a long single roller 13 or a plurality of rollers 13 which are coaxially arranged are arranged in the groove.
The bottom of the bearing frame 14, the transverse moving frame 21 or the longitudinal moving frame 28 are provided with impact hammers, impact hammer heads of the impact hammers face the bottom of the floor slab, which is arranged on the inner side of the cutting seams of the floor slab and is used for removing the floor slab, the floor slab laying surface 16 is provided with a plurality of mounting holes 17, and elastic supporting pieces capable of temporarily supporting and buffering the floor slab are arranged in the mounting holes 17.
The elastic supporting piece comprises an adjustable sleeve 18, a supporting steel column 19 and a damping spring 20, the adjustable sleeve 18 is installed at the bottom of the installation hole 17 through threads, the supporting steel column 19 is installed inside the adjustable sleeve 18 from top to bottom, and the damping spring 20 is installed between the supporting steel column 19 and the bottom of the inner side of the adjustable sleeve 18.
The transverse moving frame 21 is provided with a transverse sliding rail 22 along the length direction, the transverse sliding rail 22 is provided with a transverse sliding seat 23, the transverse sliding seat 23 is provided with a transverse cutting machine 24 through a saw blade height adjusting device, the transverse moving frame 21 is provided with a rack 32 parallel to the transverse sliding rail 22, the transverse sliding seat 23 is provided with a sliding seat servo motor 34, an output shaft of the sliding seat servo motor 34 is fixed with a gear 33, and the gear 33 is meshed with the rack 32.
The longitudinal moving frame 28 is provided with a longitudinal sliding rail 29 along the length direction, the longitudinal sliding rail 29 is provided with a longitudinal sliding seat 30, the longitudinal sliding seat 30 is provided with a longitudinal cutting machine 31 through a saw blade height adjusting device, the longitudinal moving frame 28 is provided with a rack 32 parallel to the longitudinal sliding rail 29, the longitudinal sliding seat 30 is provided with a sliding seat servo motor 34, an output shaft of the sliding seat servo motor 34 is fixed with a gear 33, and the gear 33 is meshed with the rack 32.
The saw blade height adjusting device comprises a swinging seat 36, a swinging shaft 37, an upper connecting rod 38, a lower connecting rod 39, a hinge shaft 40 and a telescopic device 41, wherein the transverse sliding seat 23 or the longitudinal sliding seat 30 is hinged with one end of the swinging seat 36 through the swinging shaft 37, the bottom of the swinging seat 36 is connected with one end of the upper connecting rod 38 through the connecting shaft, the swinging seat 36 is connected with one end of the lower connecting rod 39 through the connecting shaft, the other end of the upper connecting rod 38 is connected with the other end of the lower connecting rod 39 through the hinge shaft 40, and the hinge shaft 40 is connected with the telescopic end of the telescopic device 41.
A method for dismantling, reconstructing and expanding an existing building floor slab is characterized by comprising the following steps:
a. firstly, arranging support steel frames 4 on a ground floor 1, installing a lifting frame 9 between two adjacent support steel frames 4, enabling the lifting frame 9 to be positioned under a floor slab to be dismantled, stably supporting the support steel frames 4 through telescopic support legs 6, and propping the floor slab or a cross beam outside the floor slab to be dismantled by a floor slab supporting piece 7;
b. then, the bearing frame 14 is installed on the lifting frame 9, cutting equipment and accessories thereof are prepared, and the floor slabs to be removed are marked in a partition mode according to the removal sequence;
c. controlling the height-adjusting hydraulic cylinder 8 to extend upwards for a certain distance, so that the lifting frame 9 is lifted to a certain height to ensure that the bearing frame 14 can bear the floor slab to be dismantled from the bottom;
d. then controlling the action of the lifting hydraulic cylinder 15 to drive the bearing frame 14 to move upwards for a certain distance, so that the floor slab laying surface 16 on the bearing frame 14 or the upper end of the elastic support part is contacted with the bottom surface of the floor slab to be removed;
e. the transverse moving device and the longitudinal moving device are started immediately, the transverse cutting machine 24 and the longitudinal cutting machine 31 are respectively driven to move to the position right below the floor slab cutting marked line under the help of the laser calibration instrument 42, and the saw blade of the cutting machine is controlled to be aligned with the cutting marked line;
f. after the cutting machine is started, the saw blade height adjusting device is controlled to drive the cutting machine to move upwards for a certain distance, and after cutting is started, the cutting machine moves along the sliding rail and performs moving cutting according to cutting mark lines;
g. after two parallel transverse cutting seams and two longitudinal cutting seams of each floor slab are finished, starting the impact hammer, hammering from bottom to top, and enabling the cut floor slabs to fall to the upper end of the elastic supporting piece under the action of gravity and fall on the floor slab placement surface 16 after being buffered by the elastic supporting piece;
h. and finally, controlling the lifting hydraulic cylinder 15 to drive the bearing frame 14 to move downwards to the bottom of the lifting frame 9, and simultaneously controlling the heightening hydraulic cylinder 8 to drive the lifting frame 9 to move downwards to finish the dismantling and downward transportation of a single floor slab.
Referring to fig. 1 to 5, the multi-section combined supporting structure composed of the supporting steel frame 4, the heightening hydraulic cylinder 8, the lifting frame 9 and the lifting hydraulic cylinder 15 is adopted, so that effective supporting and supporting can be provided for a floor to be dismantled, the structural safety of the dismantled building is ensured, floor slabs or beam members which are not dismantled are effectively prevented from shattering, the supporting position can be adjusted according to the construction position in a moving mode, a fixed scaffold is not erected any more by adopting steel pipes, meanwhile, building members such as the floor slabs which are cut and dismantled can be automatically conveyed to the ground or transfer equipment, ascending and hoisting assistance of construction workers are not needed, and the safety risk of suspended hoisting is avoided.
The invention adopts the supporting steel frame 4 to be placed on the ground floor 1, and the height of the supporting steel frame 4 as a ground supporting structure is not lower than half of the height of the existing building floor and lower than the height of the building floor. The supporting steel frames 4 are used by combining a plurality of splices, the horizontal splicing is carried out on the ground according to the size of the floor slab dismantling area, the supporting steel frames 4 are arranged in parallel in pairs, and the top of the area between two adjacent parallel supporting steel frames 4 is right opposite to the floor slab needing to be dismantled. In order to facilitate the movement and accurate adjustment of the supporting steel frame 4 on the ground, a plurality of steel rollers 5 are mounted at the bottom of the supporting steel frame 4 through universal wheel seats, the supporting steel frame 4 can be pushed to move manually, meanwhile, telescopic supporting legs 6 are mounted at four corners or a plurality of stress positions at the bottom of the supporting steel frame 4, the telescopic supporting legs 6 can adopt a common screw type adjusting structure, when the supporting steel frame 4 needs to be moved, the telescopic supporting legs 6 are retracted, so that the bottom of the telescopic supporting legs 6 is separated from the ground, and the steel rollers 5 are in contact with the ground; when the fixed support is needed after the movement is finished, the telescopic supporting leg 6 is put down, so that the bottom of the telescopic supporting leg 6 is supported on the ground. In addition, the top of the supporting steel frame 4 is provided with a floor supporting piece 7, and the floor supporting piece 7 is a small hydraulic cylinder, a jack or other supporting structures and is used for supporting the floor or the beam on the outer side of the floor to be dismantled from the bottom, so that the floor or the beam on the outer side of the floor to be dismantled can be lifted, the stability of the supporting steel frame 4 can be improved, and overturning is avoided.
The crane 9 is installed between the two support steel frames 4 which are distributed in parallel, the lower end of the crane 9 extends to the lower parts of the two support steel frames 4 which are arranged in parallel, the crane 9 is made of a steel structure, the width of the upper end of the crane 9 is larger than the distance between the two support steel frames 4 for installing the crane 9, the width of the lower part of the crane 9 is smaller than the distance between the two support steel frames 4 for installing the crane 9, and therefore the upper end of the crane 9 can be installed on the support steel frames 4 conveniently. The four lifting hydraulic cylinders 8 are arranged between the upper end of the supporting steel frame 4 and the four corners of the upper part of the lifting frame 9, and the four lifting hydraulic cylinders 8 are synchronously telescopic to drive the lifting frame 9 to lift. Both ends horizontally connected has bottom crossbeam 12 around the lower part of crane 9, the upper end of bottom crossbeam 12 is seted up flutedly, install microscler single gyro wheel 13 or a plurality of gyro wheels 13 of coaxial setting in the recess, the last wheel reason of gyro wheel 13 is higher than the upper plane of bottom crossbeam 12, gyro wheel 13's effect is in the outside transportation process in order to cutting the floor after demolising, be convenient for shelve the bottom of floor and outwards slide on gyro wheel 13, it is laborsaving to save labour, can accomplish the transportation inside the building through manpower or miniature hoisting equipment.
The left side and the right side of the bottom of the lifting frame 9 are provided with mutually parallel horizontal sliding rails 10, the horizontal sliding rails 10 are distributed along the length direction of the support steel frame 4, and the horizontal sliding rails 10 are provided with horizontally arranged bearing frames 14 through sliding seats 11. The bearing frame 14 is of a rectangular steel structure frame structure and is high in bearing capacity, the upper surface of the bearing frame 14 is a floor slab placement surface 16, the bottom of the disassembled floor slab can be placed on the floor slab placement surface 16 and can bear the disassembled floor slab, and the whole cut and disassembled floor slab is supported from the bottom. The bottom of the bearing frame 14, the transverse moving frame 21 or the longitudinal moving frame 28 is provided with an impact hammer, the impact hammer is an electric tool commonly used in the prior art, the impact hammer can be an electric impact hammer, an impact hammer head of the impact hammer 35 directly faces to the bottom of the floor slab which is removed from the inner side of the cutting seam of the floor slab, and after the floor slab is cut, the impact hammer 35 is utilized to impact the floor slab to a certain extent, so that the floor slab falls under the action of gravity. A plurality of mounting holes 17 have been seted up on floor shelving face 16, mounting holes 17 distribute on the four corners of floor shelving face 16 and a plurality of equidistant atress position, install in the mounting hole 17 and can play interim support and cushioning effect's elastic support piece to the floor, elastic support piece's effect plays interim supporting role when demolising the floor cutting, and the in-process of falling plays the cushioning effect under the action of gravity at the floor, the floor after can avoiding demolising falls suddenly and produces huge impact force to equipment and lead to the floor fracture and produce the piece that splashes.
The bottom of the bearing frame 14 is respectively provided with a transverse moving frame 21 and a longitudinal moving frame 28, or a long strip-shaped moving beam structure can be adopted, the transverse moving frame 21 and the longitudinal moving frame 28 are positioned on different horizontal planes and are vertically distributed, the transverse moving frame 21 is arranged at the bottom of the bearing frame 14 through a transverse sliding rail or a transverse sliding chute, and the longitudinal moving frame 28 is arranged at the bottom of the bearing frame 14 through a longitudinal sliding rail or a longitudinal sliding chute. A transverse moving device is arranged between the bearing frame 14 and the transverse moving frame 21, and the transverse moving device drives the transverse moving frame 21 to move back and forth at the bottom of the bearing frame 14 along the transverse direction. Similarly, a longitudinal moving device is installed between the carrying frame 14 and the longitudinal moving frame 28, and the longitudinal moving device drives the longitudinal moving frame 28 to precisely move back and forth along the longitudinal direction at the bottom of the carrying frame 14.
The lateral displacement means and the longitudinal displacement means may be of the same construction, which may take a variety of forms, for example: the device mainly comprises a lead screw 25, a servo motor 26 and a lead screw nut 27, wherein the lead screw 25 on the transverse moving device is transversely arranged on a horizontal plane, one end of the lead screw 25 is installed on a bearing frame 14 through a lead screw bearing seat, the other end of the lead screw 25 is coaxially fixed with a rotating shaft of the servo motor 26, a shell of the servo motor 26 is installed and fixed on the bearing frame 14, the lead screw nut 27 is installed on the lead screw 25 and fixed with a transverse moving frame 21, and the servo motor 26 drives the lead screw nut 27 and the transverse moving frame 21 to accurately move through the lead screw 25. The lead screw 25 on the longitudinal moving device is arranged longitudinally on a horizontal plane, one end of the lead screw 25 is installed on the bearing frame 14 through a lead screw bearing seat, the other end of the lead screw 25 is coaxially fixed with a rotating shaft of the servo motor 26, a shell of the servo motor 26 is installed and fixed on the bearing frame 14, a lead screw nut 27 is installed on the lead screw 25 and fixed with the longitudinal moving frame 28, and the servo motor 26 drives the lead screw nut 27 and the longitudinal moving frame 28 to move accurately through the lead screw 25.
In order to realize the accurate movement of the cutting machine in the transverse direction or the longitudinal direction, the invention is provided with a transverse slide rail 22 on a transverse moving frame 21 along the length direction, a transverse slide seat 23 is arranged on the transverse slide rail 22, a cutting machine accurate movement device is arranged between the transverse slide seat 23 and the transverse moving frame 21, and a transverse cutting machine 24 is arranged on the transverse slide seat 23. The longitudinal moving frame 28 is provided with a longitudinal sliding rail 29 along the length direction, the longitudinal sliding rail 29 is provided with a longitudinal sliding seat 30, a cutting machine accurate moving device is arranged between the longitudinal sliding seat 30 and the longitudinal moving frame 28, and the longitudinal sliding seat 30 is provided with a longitudinal cutting machine 31.
The cutting machine accurate moving device can adopt various structural forms, mainly comprises a lead screw accurate moving device and a gear rack moving device, taking the gear rack moving device as an example, a rack 32 parallel to the transverse sliding rail 22 is arranged on the transverse moving frame 21, a sliding seat servo motor 34 is arranged on the transverse sliding seat 23, a gear 33 is fixed on an output shaft of the sliding seat servo motor 34, the gear 33 is meshed with the rack 32, and the sliding seat servo motor 34 drives the gear 33 to rotate, so as to drive the transverse sliding seat 23 to accurately slide along the transverse sliding rail 22. Similarly, a rack 32 parallel to the longitudinal slide rail 29 is disposed on the longitudinal moving frame 28, a slide seat servo motor 34 is mounted on the longitudinal slide seat 30, a gear 33 is fixed on an output shaft of the slide seat servo motor 34, the gear 33 is engaged with the rack 32, and the slide seat servo motor 34 drives the longitudinal slide seat 30 to precisely slide along the longitudinal slide rail 29. The invention can adjust the cutting position and the cutting area at each time according to the actual construction site, for example, the cutting length at each time is 2-3 m, and the weight of the floor slab is 800-2000 kg.
In addition, when the cutting machine cuts the floor slab accurately, in order to realize the vertical adjustment of the cutting machine within a certain height range, a saw blade height adjusting device is arranged between the transverse sliding seat 23 and the transverse cutting machine 24, the saw blade height adjusting device comprises a swinging seat 36, a swinging shaft 37, an upper connecting rod 38, a lower connecting rod 39, a hinged shaft 40 and a telescopic device 41, the transverse sliding seat 23 or the longitudinal sliding seat 30 is hinged with one end of the swinging seat 36 through the swinging shaft 37, the bottom of the swinging seat 36 is connected with one end of the upper connecting rod 38 through the connecting shaft, the swinging seat 36 is connected with one end of the lower connecting rod 39 through the connecting shaft, the other end of the upper connecting rod 38 is connected with the other end of the lower connecting rod 39 through the hinged shaft 40, and the hinged shaft 40 is connected with the telescopic end of the telescopic device 41. The invention realizes the linkage and matching of the actuating components such as the height-adjusting hydraulic cylinder 8, the lifting hydraulic cylinder 15, the transverse moving device, the longitudinal moving device, the saw blade height adjusting device, the cutting machine and the like through the controller.
The demolition construction method mainly comprises the following steps: firstly, arranging support steel frames 4 on a ground floor 1, installing a lifting frame 9 between two adjacent support steel frames 4, enabling the lifting frame 9 to be positioned under a floor slab to be dismantled, stably supporting the support steel frames 4 through telescopic support legs 6, and propping the floor slab or a cross beam outside the floor slab to be dismantled through a floor slab support member 7. The load-bearing frame 14 is then mounted on the crane 9 and the cutting device and its appurtenances are prepared, and the floor slabs to be dismantled are marked zone by zone in the order of removal. The heightening hydraulic cylinder 8 is controlled to extend upwards for a certain distance, so that the lifting frame 9 is lifted to a certain height to ensure that the bearing frame 14 can bear the floor to be dismantled from the bottom. The hydraulic lifting cylinder 15 is then actuated to move the supporting frame 14 upwards a distance such that the floor-resting surface 16 on the supporting frame 14 or the upper ends of the resilient supporting elements are in contact with the bottom surface of the floor to be removed. And starting the transverse moving device and the longitudinal moving device immediately, and driving the transverse cutting machine 24 and the longitudinal cutting machine 31 to move to the positions right below the floor cutting marked lines respectively under the help of the laser calibrator, so as to control the saw blades of the cutting machines to align to the cutting marked lines. After the cutting machine is started, the saw blade height adjusting device is controlled to drive the cutting machine to move upwards for a certain distance, and after cutting is started, the cutting machine moves along the sliding rail and moves to cut according to the cutting mark line. After two parallel transverse cutting joints and two longitudinal cutting joints of each floor slab are finished, the impact hammer is started, and hammering is carried out from bottom to top, so that the cut floor slab falls to the upper end of the elastic support piece under the action of gravity and falls on the floor slab laying surface 16 after being buffered by the elastic support piece. And finally, controlling the lifting hydraulic cylinder 15 to drive the bearing frame 14 to move downwards to the bottom of the lifting frame 9, and simultaneously controlling the heightening hydraulic cylinder 8 to drive the lifting frame 9 to move downwards to finish the dismantling and downward transportation of a single floor slab.
While the invention has been described in further detail with reference to specific embodiments thereof, it will be apparent to one skilled in the art that the invention is not limited to these embodiments, and that various changes, modifications and variations can be made therein without departing from the spirit of the invention.
Claims (10)
1. The utility model provides an existing building floor demolishs and reforms extension equipment, includes support steelframe (4), supports steelframe (4) and shelves on ground floor (1), its characterized in that: the lifting frame is characterized in that the supporting steel frames (4) are more than one and are arranged in pairs, a lifting frame (9) is arranged between the two supporting steel frames (4) which are distributed in parallel, a heightening hydraulic cylinder (8) is arranged between the upper end of each supporting steel frame (4) and the four corners of the upper part of each lifting frame (9), horizontal sliding rails (10) are horizontally arranged on the left side and the right side of the bottom of each lifting frame (9) along the length direction of each supporting steel frame (4), sliding seats (11) are arranged on the horizontal sliding rails (10), lifting hydraulic cylinders (15) are vertically arranged on the sliding seats (11), horizontally-arranged bearing frames (14) are arranged at the upper ends of the lifting hydraulic cylinders (15), and floor slab placing surfaces (16) are arranged on the upper surfaces of the bearing frames (14), a transverse moving frame (21) and a longitudinal moving frame (28) are respectively installed at the bottom of the bearing frame (14), the transverse moving frame (21) and the longitudinal moving frame (28) are positioned on different horizontal planes and are vertically distributed, a transverse moving device for driving the transverse moving frame (21) to move back and forth is installed between the bearing frame (14) and the transverse moving frame (21), a longitudinal moving device for driving the longitudinal moving frame (28) to move back and forth is installed between the bearing frame (14) and the longitudinal moving frame (28), a transverse cutting machine (24) is installed on the transverse moving frame (21) through a saw blade height adjusting device, and a longitudinal cutting machine (31) is installed on the longitudinal moving frame (28) through the saw blade height adjusting device ).
2. An existing building floor demolition and enlargement apparatus according to claim 1, wherein: the transverse moving device and the longitudinal moving device respectively comprise a lead screw (25), a servo motor (26) and a lead screw nut (27), the lead screw (25) on the transverse moving device is transversely arranged on a horizontal plane, one end of the lead screw (25) is installed on the bearing frame (14) through a lead screw bearing seat, the other end of the lead screw (25) is coaxially fixed with a rotating shaft of the servo motor (26), and a shell of the servo motor (26) is installed and fixed on the bearing frame (14); a lead screw (25) on the longitudinal moving device is longitudinally arranged on a horizontal plane, one end of the lead screw (25) is installed on a bearing frame (14) through a lead screw bearing seat, the other end of the lead screw (25) is coaxially fixed with a rotating shaft of a servo motor (26), and a shell of the servo motor (26) is installed and fixed on the bearing frame (14).
3. An existing building floor demolition and enlargement apparatus according to claim 1, wherein: a plurality of steel rollers (5) are installed through the universal wheel seat in the bottom of supporting steelframe (4), and telescopic landing leg (6) are installed at the bottom four corners or a plurality of atress positions of supporting steelframe (4), and the top of supporting steelframe (4) is provided with floor support piece (7).
4. The existing building floor dismantling and expanding apparatus according to claim 1, wherein: the lower extreme of crane (9) extends to the lower part of two parallel arrangement's support steelframe (4), both ends horizontally connected has bottom crossbeam (12) around the lower part of crane (9), and the upper end of bottom crossbeam (12) is seted up flutedly, installs microscler single gyro wheel (13) or a plurality of gyro wheels (13) of coaxial setting in the recess.
5. An existing building floor demolition and enlargement apparatus according to claim 1, wherein: the floor slab temporary supporting and buffering device is characterized in that the impact hammer (35) is mounted on the bottom of the bearing frame (14), the transverse moving frame (21) or the longitudinal moving frame (28), the impact hammer head of the impact hammer (35) faces the bottom, on the inner side of a cutting seam of a floor slab, of the floor slab, the floor slab placing surface (16) is provided with a plurality of mounting holes (17), and elastic supporting pieces capable of temporarily supporting and buffering the floor slab are mounted in the mounting holes (17).
6. The existing building floor dismantling and expanding apparatus according to claim 1, wherein: the elastic support piece comprises an adjustable sleeve (18), a support steel column (19) and a damping spring (20), the adjustable sleeve (18) is installed at the bottom of the installation hole (17) through threads, the support steel column (19) is installed inside the adjustable sleeve (18) from top to bottom, and the damping spring (20) is installed between the support steel column (19) and the bottom of the inner side of the adjustable sleeve (18).
7. The existing building floor dismantling and expanding apparatus according to claim 1, wherein: the saw blade cutting machine is characterized in that a transverse sliding rail (22) is arranged on the transverse moving frame (21) along the length direction, a transverse sliding seat (23) is installed on the transverse sliding rail (22), a transverse cutting machine (24) is installed on the transverse sliding seat (23) through a saw blade height adjusting device, a rack (32) parallel to the transverse sliding rail (22) is arranged on the transverse moving frame (21), a sliding seat servo motor (34) is installed on the transverse sliding seat (23), a gear (33) is fixed on an output shaft of the sliding seat servo motor (34), and the gear (33) is meshed with the rack (32).
8. An existing building floor demolition and enlargement apparatus according to claim 1, wherein: the saw blade cutting machine is characterized in that a longitudinal sliding rail (29) is arranged on the longitudinal moving frame (28) along the length direction, a longitudinal sliding seat (30) is installed on the longitudinal sliding rail (29), a longitudinal cutting machine (31) is installed on the longitudinal sliding seat (30) through a saw blade height adjusting device, a rack (32) parallel to the longitudinal sliding rail (29) is arranged on the longitudinal moving frame (28), a sliding seat servo motor (34) is installed on the longitudinal sliding seat (30), a gear (33) is fixed on an output shaft of the sliding seat servo motor (34), and the gear (33) is meshed with the rack (32).
9. An existing building floor demolition and enlargement apparatus according to claim 1, wherein: the saw blade height adjusting device comprises a swinging seat (36), a swinging shaft (37), an upper connecting rod (38), a lower connecting rod (39), a hinge shaft (40) and a telescopic device (41), wherein the transverse sliding seat (23) or the longitudinal sliding seat (30) is hinged to one end of the swinging seat (36) through the swinging shaft (37), the bottom of the swinging seat (36) is connected with one end of the upper connecting rod (38) through a connecting shaft, the swinging seat (36) is connected with one end of the lower connecting rod (39) through the connecting shaft, the other end of the upper connecting rod (38) is connected with the other end of the lower connecting rod (39) through the hinge shaft (40), and the hinge shaft (40) is connected with the telescopic end of the telescopic device (41).
10. A method for dismantling, reconstructing and expanding an existing building floor slab is characterized by comprising the following steps:
a. firstly, arranging support steel frames (4) on a ground floor (1), installing a lifting frame (9) between two adjacent support steel frames (4), enabling the lifting frame (9) to be positioned under a floor to be dismantled, stably supporting the support steel frames (4) through telescopic support legs (6), and propping the floor or a cross beam outside the floor to be dismantled by a floor support piece (7);
b. then, a bearing frame (14) is arranged on the lifting frame (9), cutting equipment and auxiliary devices thereof are prepared, and the floor slabs to be removed are marked in a partition mode according to the removal sequence;
c. controlling the heightening hydraulic cylinder (8) to extend upwards for a certain distance, so that the lifting frame (9) is lifted to a certain height to ensure that the bearing frame (14) can bear the floor to be dismantled from the bottom;
d. then controlling the action of a lifting hydraulic cylinder (15) to drive the bearing frame (14) to move upwards for a certain distance, so that the floor slab laying surface (16) on the bearing frame (14) or the upper end of the elastic support part is contacted with the bottom surface of the floor slab to be removed;
e. the transverse moving device and the longitudinal moving device are started immediately, the transverse cutting machine (24) and the longitudinal cutting machine (31) are respectively driven to move to the positions right below the floor cutting marked lines under the help of the laser calibrator (42), and the saw blade of the cutting machine is controlled to be aligned with the cutting marked lines;
f. after the cutting machine is started, the saw blade height adjusting device is controlled to drive the cutting machine to move upwards for a certain distance, and after cutting is started, the cutting machine moves along the sliding rail and performs moving cutting according to cutting mark lines;
g. after two parallel transverse cutting seams and two longitudinal cutting seams of each floor slab are finished, starting the impact hammer (35), hammering from bottom to top, so that the cut floor slabs fall to the upper end of the elastic supporting piece under the action of gravity, and fall on the floor slab laying surface (16) after being buffered by the elastic supporting piece;
h. and finally, controlling a lifting hydraulic cylinder (15) to drive the bearing frame (14) to move downwards to the bottom of the lifting frame (9), and simultaneously controlling a heightening hydraulic cylinder (8) to drive the lifting frame (9) to move downwards to finish the dismantling and downward transportation of a single floor slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211701695.7A CN115853313A (en) | 2022-12-29 | 2022-12-29 | Existing building floor dismantling, rebuilding and expanding equipment and rebuilding and expanding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211701695.7A CN115853313A (en) | 2022-12-29 | 2022-12-29 | Existing building floor dismantling, rebuilding and expanding equipment and rebuilding and expanding method thereof |
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| Publication Number | Publication Date |
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| CN115853313A true CN115853313A (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211701695.7A Pending CN115853313A (en) | 2022-12-29 | 2022-12-29 | Existing building floor dismantling, rebuilding and expanding equipment and rebuilding and expanding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852545A (en) * | 2023-08-21 | 2023-10-10 | 海江科技集团有限公司 | Demolition device applied to building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852545A (en) * | 2023-08-21 | 2023-10-10 | 海江科技集团有限公司 | Demolition device applied to building |
| CN116852545B (en) * | 2023-08-21 | 2023-12-19 | 海江科技集团有限公司 | Demolition device applied to building |
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