CN110722418A - Construction method of reinforced concrete bidirectional ribbed floor - Google Patents
Construction method of reinforced concrete bidirectional ribbed floor Download PDFInfo
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- CN110722418A CN110722418A CN201911039794.1A CN201911039794A CN110722418A CN 110722418 A CN110722418 A CN 110722418A CN 201911039794 A CN201911039794 A CN 201911039794A CN 110722418 A CN110722418 A CN 110722418A
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- Prior art keywords
- polishing
- ribbed
- construction method
- reinforced concrete
- supporting seat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0007—Movable machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
- E04B5/21—Cross-ribbed floors
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the field of building construction, and particularly discloses a construction method of a reinforced concrete bidirectional ribbed floor, which comprises the following steps: erecting a scaffold; supporting a formwork; installing a formwork; binding steel bars; pouring and maintaining concrete; dismantling the formwork; adopt the beam bottom plastic equipment of polishing to polish the plastic at the bottom of the dense rib roof beam, push away the removal frame below the dense rib roof beam of treating polishing earlier, rotate certain angle with the connecting rod, the supporting seat moves towards oblique top until polishing set upper surface pastes tight rib roof beam bottom, the workman promotes the removal frame walking, the rotatory mill of polishing is polished to the dense rib roof beam bottom, rotatory toper is polished the post lateral wall and is maintained the deckle edge of dense rib roof beam bottom and get rid of, after the toper is polished the post and is walked a segment of dense rib roof beam, remove the seat and be close to the removal of a thickness of polishing of dense rib roof beam, the workman promotes the removal frame in reverse again, polish and carry out the second time and carry out the edging to the dense rib roof beam bottom, so relapse, the deckle edge of until dense rib roof beam is all polished.
Description
Technical Field
The invention relates to the field of building construction, in particular to a construction method of a reinforced concrete bidirectional ribbed floor.
Background
In general, the multi-ribbed floor system is formed by using one-way or two-way ribs with the rib spacing of less than or equal to 1.5m as multi-ribbed floor, and is suitable for multi-storey and high-rise buildings with large span and load and large space, in particular for multi-storey industrial factory buildings, logistics storage, underground civil air defense engineering, underground garages and the like. And the system is also widely applied to large and medium-sized public buildings such as commercial buildings, office buildings, libraries, exhibition halls, school teaching buildings, airport terminal buildings, bus exhibition waiting rooms, overground three-dimensional parking buildings and the like. The multi-ribbed floor system has the advantages of reduced floor height, simplified template, high structural rigidity, large space, increased number of layers at the same height and the like.
The construction process of the floor plank sheathing support system is as follows: construction preparation → measurement and line laying → scaffold erection → full-paved wood plywood → measurement and line laying → plastic formwork installation → joint filling → primary and secondary rib steel bar binding → embedded pipe → plate steel bar binding → concrete pouring → reinforced concrete slab laser leveling and raw slurry light collecting → formwork removal.
The bottom view of the ribbed beam after the formwork is removed is shown in the attached drawing 1, but the beam bottom of the ribbed beam after the formwork is removed is often uneven, even burrs can be generated on the edges of the beam bottom, and the engineering quality is very influenced.
Disclosure of Invention
The invention provides a construction method of a reinforced concrete bidirectional multi-ribbed floor, which aims to solve the problems of unevenness and burrs at the bottom of a multi-ribbed beam after a formwork is dismantled, so that the engineering quality is improved.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a construction method of a reinforced concrete bidirectional ribbed floor comprises the following steps:
(1) erecting a scaffold;
(2) supporting a formwork;
(3) installing a formwork;
(4) binding steel bars;
(5) pouring and maintaining concrete;
(6) dismantling the formwork;
(7) polishing and shaping the beam bottom of the ribbed beam by adopting beam bottom polishing and shaping equipment, wherein the beam bottom polishing and shaping equipment comprises a moving frame and a supporting seat positioned above the moving frame, at least two parallel connecting rods are hinged between the moving frame and the supporting seat, a moving seat is connected to the supporting seat in a transverse sliding manner, a polishing piece is rotatably connected to the moving seat and comprises a polishing disc and a conical polishing column which are coaxially arranged, and an included angle formed between the top surface of the polishing disc and a bus of the conical polishing column is the same as that of the edge of the ribbed beam; the polishing disc is sleeved with a dust collecting groove, the dust collecting groove is positioned between the polishing disc and the moving seat, the supporting seat is also provided with a dust collector, and the dust collector is communicated with the dust collecting groove through a hose;
when the beam bottom of the ribbed beam is polished and shaped by adopting beam bottom polishing and shaping equipment, firstly, a moving frame is pushed below the ribbed beam to be polished, a connecting rod is rotated by a certain angle, a supporting seat moves towards an oblique upper direction until the upper surface of a polishing disc is attached to the bottom of the ribbed beam, a dust collector switch is turned on, meanwhile, a polishing piece rotates at a high speed, a worker pushes the moving frame to walk along the length direction of the ribbed beam, the rotating polishing disc polishes the beam bottom of the ribbed beam, the side wall of a rotating conical polishing column trims and removes burrs of edges at the bottom of the ribbed beam, after the conical polishing column finishes one section of the ribbed beam, the moving seat is close to the ribbed beam to move by a polishing thickness, the worker pushes the moving frame reversely again to polish the beam bottom of the ribbed beam for the second time and edge the edges of the ribbed beam, and the steps are repeated until the burrs of the edges of the ribbed beam are completely polished; then the connecting rod is rotated reversely to reset the connecting rod, the supporting seat moves towards the oblique lower side to reset, and the section of the next multi-ribbed beam is polished; the dust generated by polishing falls into the dust collecting groove, and the dust collector sucks away the dust in the dust collecting groove.
The technical principle and the beneficial effects of the technical scheme are as follows:
remove the frame and be used for driving the supporting seat walking, thereby drive the removal seat walking on the supporting seat, the plastic of polishing to close girt roof beam of high-speed rotatory, because close girt roof beam shape is down trapezoidal, consequently set up the structure of polishing piece for polishing dish and toper post of polishing, polish to close girt roof beam bottom of the beam through the high-speed rotation of polishing dish, the high-speed rotation of toper post of polishing grinds the deckle edge at close girt roof beam bottom edge, thereby reach the effect of polishing the plastic to close girt roof beam, solve the problem of close girt roof beam bottom unevenness, the roughness at close girt roof beam bottom has been promoted, thereby aesthetic property has been improved.
Articulated have the connecting rod of two piece at least parallels between removal frame and supporting seat, because there is the blockking of other close girt between the section of close girt, consequently close girt's unedged mill of edge needs a section of section to go on one by one, adopts the connecting rod of two piece at least parallels to support the supporting seat, thereby the supporting seat can realize making the polishing piece on the supporting seat to support close girt bottom of the side of moving to the top to one side and realize polishing.
Furthermore, a guide piece is further fixed on the supporting seat, the guide piece comprises a supporting rod fixed on the supporting seat and a conical guide wheel rotatably connected to the top of the supporting rod, and the inclination of the conical guide wheel is the same as that of the conical grinding column. When the moving frame travels to drive the supporting seat to move, the conical guide wheels can abut against the side wall of the ribbed beam to roll, so that the guide effect is achieved on the movement of the moving frame and the supporting seat, and the problem that the polishing effect on the edge burrs of the ribbed beam is not good due to the deflection of the moving frame is avoided.
Further, the number of the guide pieces is two, and the two guide pieces are respectively positioned on two sides of the grinding piece. The two guide pieces have better guide effect on the movement of the movable frame and the supporting seat.
Further, a linear motor is fixed on the supporting seat, and an output shaft of the linear motor is fixedly connected with the movable seat. The linear motor drives the movable seat to move on the supporting seat close to the ribbed beam.
Furthermore, the bottom of the moving frame is hinged with a hydraulic cylinder, and the top of an output rod of the hydraulic cylinder is hinged with one of the connecting rods. The connecting rod can be driven to rotate by extending or shortening the output pipe of the hydraulic cylinder.
Further, remove the seat and be hollow structure, remove the seat internal fixation and have the grinding motor, grinding motor output shaft is fixed with the pivot, and the pivot passes the dust collecting tank bottom and with the coaxial fixed connection in grinding plate bottom. The grinding motor drives the rotating shaft to rotate at a high speed, so that the grinding disc fixedly connected with the rotating shaft and the conical grinding column are driven to rotate at a high speed to realize grinding.
Furthermore, a rotary sealing sleeve is arranged between the rotating shaft and the bottom of the dust collecting tank. The rotary sealing sleeve can realize the sealing between the rotating shaft and the bottom of the dust collecting groove and simultaneously does not influence the rotation of the rotating shaft.
Furthermore, the conical guide wheels are all made of rubber. When the guide wheel made of rubber rolls on the side of the ribbed beam, the side wall of the ribbed beam is not easily damaged.
Further, the number of the connecting rods is four. The supporting effect of the four connecting rods on the supporting seat is better.
Further, the diameter of the bottom of the conical polishing column is 0.5-5 cm. With the tapered grinding columns within the size range, when the tapered grinding columns are ground to the end of the section of the multi-ribbed beam, the internal corner formed between the main beam and the secondary beam of the multi-ribbed beam is easily ground.
Drawings
Fig. 1 is a bottom view of a multi-ribbed beam according to the background of the present invention;
FIG. 2 is a front view of the first embodiment of the present invention;
FIG. 3 is a bottom view of FIG. 2;
fig. 4 is a front view of a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the multi-ribbed beam polishing machine comprises a multi-ribbed beam 1, rough edges 100, a polishing piece 2, a polishing disc 201, a conical polishing column 202, a moving frame 3, a moving wheel 30, a connecting rod 4, a hydraulic cylinder 5, a supporting seat 6, a guide wheel 7, a dust collector 8, a hose 9, a dust collecting groove 10, a moving seat 11, a linear motor 12 and a polishing motor 13.
Example one
As shown in fig. 2 and 3, the construction method of the reinforced concrete bidirectional dense-rib floor slab comprises the following steps:
(1) erecting a scaffold;
(2) supporting a formwork;
(3) installing a formwork;
(4) binding steel bars;
(5) pouring and maintaining concrete;
(6) dismantling the formwork;
(7) and polishing and shaping the beam bottom of the multi-ribbed beam 1 by adopting beam bottom polishing and shaping equipment.
The beam bottom grinding and shaping equipment comprises a movable frame 3 and a supporting seat 6 positioned above the movable frame 3, and the bottom of the movable frame 3 is provided with a movable wheel 30 for moving the movable frame 3. Remove and to have two piece at least parallel connecting rods 4 between 3 and the supporting seat 6, connecting rod 4 quantity is four in this embodiment, and 3 bottoms of removal frame are articulated to have a pneumatic cylinder 5, and the output rod top of pneumatic cylinder 5 is articulated with one of them connecting rod 4, and extension or the shortening through 5 output tubes of pneumatic cylinder can drive connecting rod 4 and rotate.
A hollow moving seat 11 is connected to the supporting seat 6 in a transverse sliding mode, a linear motor 12 is fixed to the supporting seat 6, an output shaft of the linear motor 12 is fixedly connected with the moving seat 11, and the moving seat 11 is driven to move on the supporting seat 6 through the linear motor 12. The top of the movable seat 11 is fixed with a dust collecting groove 10, a polishing part 2 is arranged in the dust collecting groove 10, the polishing part 2 comprises a polishing disc 201 and a conical polishing column 202 which are coaxially arranged, an included angle formed between the top surface of the polishing disc 201 and a bus of the conical polishing column 202 is the same as an included angle of an edge of the dense rib beam 1, and the diameter of the bottom of the conical polishing column 202 is 0.5-5 cm.
A grinding motor 13 is fixed in the movable seat 11, a vertical rotating shaft is fixed on an output shaft of the grinding motor 13, the rotating shaft penetrates through the bottom of the dust collecting groove 10 and is coaxially and fixedly connected with the bottom of the grinding disc 201, and a rotary sealing sleeve is arranged between the rotating shaft and the bottom of the dust collecting groove 10. A dust collector 8 is fixedly arranged on the supporting seat 6, and the dust collector 8 is communicated with the dust collecting groove 10 through a hose 9.
Still be fixed with the guide on the supporting seat 6 for the walking of guide removal frame 3, guide quantity is two, and two guides are located 2 both sides of polishing respectively, and the guide is including fixing the bracing piece on supporting seat 6 and rotating the toper guide wheel 7 of connecting at the bracing piece top, and the inclination of toper guide wheel 7 is the same with the inclination of toper post 202 of polishing, and the mode of rotating between toper guide wheel 7 and the bracing piece top and being connected specifically is: the conical guide wheel 7 is provided with a round hole, the round hole is inserted into the top of the support rod, and the round hole and the support rod are matched to realize the rotation connection of the round hole and the support rod.
Adopt the beam bottom to polish plastic equipment when polishing the plastic to 1 beam bottom of dense rib roof beam, push away moving rack 3 earlier and treat 1 below of dense rib roof beam of polishing, pneumatic cylinder 5 drives connecting rod 4 anticlockwise rotation certain angle, drive supporting seat 6 and move towards oblique top, until two guide wheels 7 support on treating two lateral walls of 1 both sides of dense rib roof beam 1 of polishing, make mill 201 upper surface paste tight rib roof beam 1 bottom just this moment, open 8 switches of dust catcher, grinding motor 13 drives the high-speed rotation of polishing 2 simultaneously, the workman promotes moving rack 3 and walks along 1 length direction of dense rib roof beam, two guide wheels support 7 and roll two 1 lateral walls of dense rib roof beam, play the guide effect to moving rack 3's walking, avoid moving rack 3 skews. The polishing disc 201 rotating at a high speed polishes the bottom of the ribbed beam 1, and the side wall of the conical polishing column 202 rotating at a high speed polishes burrs 100 on the edge of the bottom of the ribbed beam 1. After the toper post 202 of polishing was walked a subsection of dense rib roof beam 1, linear electric motor 12 drives and removes seat 11 and is close to dense rib roof beam 1 and remove a thickness of polishing (the meaning of the thickness of polishing here means toper post 202 of polishing was polished deckle edge 100 once after, with the width that deckle edge 100 ground off), the workman reversely promotes again and removes frame 3, carries out the second time and polishes 1 roof beam bottom of dense rib roof beam and carry out the edging to deckle edge 100, so relapse, deckle edge 100 until 1 edge of dense rib roof beam is all ground off. The dust generated by polishing falls into the dust collecting groove 10, and the dust collector 8 sucks the dust in the dust collecting groove 10.
The output rod of the hydraulic cylinder 5 is shortened again, the connecting rod 4 is driven to rotate reversely to reset the connecting rod 4, the supporting seat 6 moves towards the oblique lower side to reset, the polishing piece 2 is positioned at the right lower side of the bottom of the multi-ribbed beam 1 at the moment, and then the next section of the multi-ribbed beam 1 is polished.
After the beam bottom of the ribbed beam 1 is polished and shaped by the beam bottom polishing and shaping equipment, the flatness of the beam bottom of the ribbed beam 1 is improved, and therefore the attractiveness is improved.
Example two
The difference between this embodiment and the first embodiment is: as shown in fig. 4, the number of the guide members is one in this embodiment, and the guide wheels 7 abut against the side wall of the multi-ribbed beam 1 to be ground.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A construction method of a reinforced concrete bidirectional ribbed floor is characterized by comprising the following steps:
(1) erecting a scaffold;
(2) supporting a formwork;
(3) installing a formwork;
(4) binding steel bars;
(5) pouring and maintaining concrete;
(6) dismantling the formwork;
(7) polishing and shaping the beam bottom of the ribbed beam by using beam bottom polishing and shaping equipment, wherein the beam bottom polishing and shaping equipment comprises a moving frame and a supporting seat positioned above the moving frame, at least two parallel connecting rods are hinged between the moving frame and the supporting seat, a moving seat is transversely and slidably connected onto the supporting seat, a polishing piece is rotatably connected onto the moving seat and comprises a polishing disc and a conical polishing column which are coaxially arranged, and an included angle formed between the top surface of the polishing disc and a bus of the conical polishing column is the same as an included angle of an edge of the ribbed beam; the polishing disc is sleeved with a dust collecting groove, the dust collecting groove is positioned between the polishing disc and the moving seat, the supporting seat is also provided with a dust collector, and the dust collector is communicated with the dust collecting groove through a hose;
when the beam bottom of the ribbed beam is polished and shaped by adopting beam bottom polishing and shaping equipment, firstly, a moving frame is pushed below the ribbed beam to be polished, a connecting rod is rotated by a certain angle, a supporting seat moves towards an oblique upper direction until the upper surface of a polishing disc is attached to the bottom of the ribbed beam, a dust collector switch is turned on, meanwhile, a polishing piece rotates at a high speed, a worker pushes the moving frame to walk along the length direction of the ribbed beam, the rotating polishing disc polishes the beam bottom of the ribbed beam, the side wall of a rotating conical polishing column trims and removes burrs of edges at the bottom of the ribbed beam, after the conical polishing column finishes one section of the ribbed beam, the moving seat is close to the ribbed beam to move by a polishing thickness, the worker pushes the moving frame reversely again to polish the beam bottom of the ribbed beam for the second time and edge the edges of the ribbed beam, and the steps are repeated until the burrs of the edges of the ribbed beam are completely polished; then the connecting rod is rotated reversely to reset the connecting rod, the supporting seat moves towards the oblique lower side to reset, and the section of the next multi-ribbed beam is polished; the dust generated by polishing falls into the dust collecting groove, and the dust collector sucks away the dust in the dust collecting groove.
2. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in claim 1, wherein: the supporting seat is further fixedly provided with a guide piece, the guide piece comprises a supporting rod fixed on the supporting seat and a conical guide wheel rotatably connected to the top of the supporting rod, and the inclination of the conical guide wheel is the same as that of the conical grinding column.
3. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in claim 2, wherein: the guide part quantity is two, and two guide parts are located the piece both sides of polishing respectively.
4. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in claim 3, wherein: and a linear motor is fixed on the supporting seat, and an output shaft of the linear motor is fixedly connected with the movable seat.
5. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in any one of claims 2 or 3, wherein: the bottom of the moving frame is hinged with a hydraulic cylinder, and the top of an output rod of the hydraulic cylinder is hinged with one of the connecting rods.
6. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in claim 5, wherein: the movable base is of a hollow structure, a polishing motor is fixed in the movable base, a rotating shaft is fixed on an output shaft of the polishing motor, and the rotating shaft penetrates through the bottom of the dust collecting tank and is fixedly connected with the bottom of the polishing disc in a coaxial mode.
7. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in claim 6, wherein: and a rotary sealing sleeve is arranged between the rotating shaft and the bottom of the dust collecting tank.
8. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in claim 1 or 2, wherein: the conical guide wheels are all made of rubber.
9. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in claim 5, wherein: the number of the connecting rods is four.
10. The construction method of the reinforced concrete bidirectional multi-ribbed floor as claimed in claim 9, wherein: the diameter of the bottom of the conical polishing column is 0.5-5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911039794.1A CN110722418A (en) | 2019-10-29 | 2019-10-29 | Construction method of reinforced concrete bidirectional ribbed floor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911039794.1A CN110722418A (en) | 2019-10-29 | 2019-10-29 | Construction method of reinforced concrete bidirectional ribbed floor |
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| CN110722418A true CN110722418A (en) | 2020-01-24 |
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| CN107471014A (en) * | 2017-09-08 | 2017-12-15 | 陈慧 | A kind of wall surface grinding machine easy to use |
| CN208099980U (en) * | 2018-02-28 | 2018-11-16 | 山东国建工程集团有限公司 | A kind of roof grinding device |
| CN108890428A (en) * | 2018-08-27 | 2018-11-27 | 北京艺轩吉装饰工程有限公司 | A kind of decorative engineering lift dust-free wall surface sander |
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Application publication date: 20200124 |