CN110385774B - Production device and construction method of bidirectional core-pulling prefabricated hollow anti-seismic wallboard - Google Patents
Production device and construction method of bidirectional core-pulling prefabricated hollow anti-seismic wallboard Download PDFInfo
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- CN110385774B CN110385774B CN201910812137.XA CN201910812137A CN110385774B CN 110385774 B CN110385774 B CN 110385774B CN 201910812137 A CN201910812137 A CN 201910812137A CN 110385774 B CN110385774 B CN 110385774B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000000605 extraction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/026—Feeding the moulding material in measured quantities from a container or silo by using a movable hopper transferring the moulding material to the moulding cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/285—Core puller
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a production device and a construction method of a bidirectional core-pulling prefabricated hollow anti-seismic wallboard, which are used for producing the prefabricated anti-seismic hollow wallboard, and comprise a core pipe platform, a mould platform and auxiliary equipment; the core tube platform is symmetrically arranged on two sides of the mould platform and comprises a core tube frame, a core tube rail and a core pulling oil cylinder, the core pulling oil cylinder pulls the core tube frame to move on the core tube rail, the core tube frame comprises a fixed core tube group, a movable core tube group and a moving frame, the fixed core tube group is fixedly connected to the moving frame, and the movable core tube group is movably connected to the moving frame. The invention adopts a bidirectional core pulling process, reduces the core pulling stroke, reduces the adhesive force of concrete during core pulling, and ensures the pore-forming quality of the hollow pores; the relative movement of the fixed core tube group and the movable core tube group ensures the pore-forming quality during core pulling, and prevents the pore wall from collapsing during core pulling; has the advantages of high mechanization and automation degree and high production efficiency.
Description
Technical Field
The invention relates to the technical field of production of assembled wallboards, in particular to a production device and a construction method of a bidirectional loose core prefabricated hollow anti-seismic wallboard.
Background
At present, the domestic assembled building components are mostly floor slabs, external wall boards, stairs, balconies, air conditioning boards and the like, the bearing wall part comprises a shear wall and a bearing outer wall part which are mostly cast-in-situ, and the individual buildings adopt the solid precast shear wall technology. The prefabricated building based on the traditional cast-in-place concrete structure thinking design has the advantages that the overall building assembly rate is low, along with the progress of construction technology and the requirement on construction progress, more and more prefabricated concrete wallboards are used as building components in construction, the prefabricated concrete wallboards are directly assembled in construction, the construction efficiency can be effectively improved, and various defects exist in the production of the conventional prefabricated wallboards through a production line.
The first prior art is: the prefabricated hollow slab with one-way hole is made up by using circular core pipe, and the core pipe is drawn out from one end of the wall board, and the produced wall board is generally used for building floor, and can not be used for bearing wall board, and its one-way core-pulling length is long, core-pulling time is long, and the wall board made up by using circular core pipe is heavy in weight and low in hollow rate.
And the second prior art is as follows: prefabricating a hollow slab with two-way holes, manually placing a two-way core die to support the die when the production line is used for production, pouring and vibrating concrete by manual assistance after keel steel bars are bound, and carrying out subsequent working procedures such as maintenance, die removal, hoisting and transportation. The production process is complex, the degree of mechanization is low, manual operation is basically relied on, the efficiency is low, the energy consumption is high during maintenance, the hollow slab is only used as a template of the shear wall, and concrete needs to be poured into the core holes in actual use, so that the consumption of the concrete is not saved, and the efficiency is not improved
The third prior art is: processing a hollow wallboard on a production line, namely connecting two sides of the hollow wallboard with the middle of a precast concrete sheet by using a steel reinforcement framework, and filling the hollow part with concrete after the hollow wallboard is installed in place, wherein the hollow wallboard is a solid cast-in-situ slab in practice; this scheme degree of automation is higher, but cavity wallboard transportation cost is high, and the damage rate is high to still need to water the concrete in the scene, only promoted certain assembly efficiency, do not solve the extravagant problem of efficiency of construction and material.
The prior art is four: the technology is mature at home and abroad and is used in a large amount, but the production line can only place longitudinal prestressed tendons, cannot be added with reinforcing steel meshes for bearing shearing force, cannot enable the periphery of the plate to extend out of anchor-pulling steel bars, cannot form a strong assembled integral building, is difficult to resist horizontal force of earthquake, ensures earthquake-resistant safety of the building, and can only be used for floors or maintenance wallboards.
In the building construction process, in order to accelerate the construction efficiency, reduce the material consumption and reduce the labor intensity, a prefabricated concrete hollow anti-seismic wallboard is required to be applied to the assembly construction, and the defects of the prior wallboard are overcome.
Disclosure of Invention
The invention provides a production device and a construction method of a bidirectional core-pulling prefabricated hollow anti-seismic wallboard, which are used for producing a bearing anti-seismic hollow wallboard with front and back surfaces provided with anti-seismic reinforcing steel meshes and four sides extending out of anchor-pulling reinforcing steel bars.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the production device of the two-way loose core prefabricated hollow anti-seismic hollow wallboard is used for producing the prefabricated anti-seismic hollow wallboard, wherein the prefabricated anti-seismic hollow wallboard is a hollow wallboard with reinforcing steel bars arranged on the upper surface and the lower surface, and four side surfaces of the hollow wallboard extend out of anchor-pulling reinforcing steel bars, and the production device comprises a core pipe platform, a mould platform and auxiliary equipment; the die platform comprises a forming die and a workbench, and the forming die is arranged on the workbench; the core tube platforms are symmetrically arranged on two sides of the die platform and comprise a core tube frame, a core tube rail and core pulling oil cylinders, the core tube rail is arranged on two sides of the workbench, the core tube frame is arranged on the core tube rail, the core pulling oil cylinders are fixed on the core tube rail, and the movable ends of the core tube cylinders are connected with the core tube frame;
the core tube frame comprises a fixed core tube group, a movable core tube group and a moving frame, wherein the moving frame is arranged on the core tube rail, the fixed core tube group is fixedly connected to the moving frame, and the movable core tube group is movably connected to the moving frame.
Further, the fixed core tube group and the movable core tube group both comprise a core tube and a core tube vibration device, the core tube vibration device comprises an eccentric motor, a transmission device and a vibration rod core, one end of the vibration rod core is connected with the eccentric motor through the transmission device, and the other end of the vibration rod core is inserted into the core tube.
Further, the core tube is an elliptic hollow tube, the inner end of the core tube is provided with a primary opening and a secondary opening of the core tube, and the left side and the right side of the core tube are matched with the primary opening and the secondary opening of the corresponding core tube.
Further, the core tubes of the movable core tube group and the core tubes of the fixed core tube group are arranged in a staggered mode.
Further, the inner end outer diameter of the core tube is smaller than the root outer diameter by 2mm, and the outer diameter size is gradually reduced.
Further, the core pulling oil cylinders adopt a hydraulic station as a power source, one hydraulic station is arranged, the two core pulling oil cylinders are connected to the hydraulic station, and the hydraulic station comprises an oil tank, an oil pump, a motor, a control system and an oil pipe.
Further, the forming die comprises an end die, a side die and a bottom die, wherein two end dies and two side dies are respectively arranged, and adjacent end dies and side dies are connected through key grooves.
Further, the end mould is provided with a core tube yielding groove and a yielding hole for the anchor bar, and the side mould is provided with a yielding hole for the anchor bar.
Further, the auxiliary equipment comprises a distributing machine, a flat plate vibrator, a rubbing machine, a forklift, a travelling crane, a hopper and a pallet truck.
A construction method of a production device of a bidirectional loose core prefabricated hollow anti-seismic wallboard comprises the following steps:
s1, preparation of production: cleaning a workbench, paving a bottom die and wallboard steel bar keels, positioning and fixing an end die and a side die firmly, binding the steel bar keels, and extending the end parts of the steel bar keels out of the die to form anchor-pulling steel bars;
s2, core tube positioning: the driving hydraulic station drives the core pulling oil cylinder to extend out to push the core tube frame to move inwards until the core tubes on two sides are aligned;
s3, primary material distribution: the fork truck conveys the concrete in the hopper to the distributing machine, the distributing machine starts to distribute the material, when the distributing machine distributes the material to half the height of the forming die, the core tube vibration device is started, and when the distributing machine continues to distribute the material until the concrete is slightly higher than the edge of the forming die, the distributing and vibrating are stopped;
s4, secondary cloth: removing the material distributor, placing the flat plate vibrator in place, lifting the vibrating plate after the vibrating plate covers the concrete surface and vibrates for 20 seconds, manually supplementing material, covering and vibrating for 10 seconds again, and removing the flat plate vibrator;
s5, surface flattening: the rubbing machine is in place, one end of the forming die moves at a uniform speed to the other end of the forming die, the surface of the concrete is rubbed and flattened, and the forming die is finished after being reciprocated twice;
s6, wallboard loose core: the hydraulic station is driven to drive the core pipe frame to move outwards, the fixed core pipe group is pulled out along with the moving frame in the core pulling process, and the movable core pipe group and the moving frame move relatively and are pulled out later;
s7, subsequent production: carrying out subsequent production of the wallboard according to the steps S1-S6;
s8, wallboard transportation: the forklift truck conveys the poured wallboard and the molding die to a curing area for unified curing;
s9, wallboard maintenance and transportation and storage: and after maintenance, the wallboard is subjected to die stripping and then is uniformly stored.
The invention has the following beneficial effects:
the end mould and the side mould are provided with anchor bar abdicating holes for arranging anchor bars, so that prefabricated wallboards with four sides extending out of the anchor bars can be produced;
arranging a core pipe, and arranging reinforcing mesh sheets on the upper side and the lower side of the core pipe, so that the front side and the back side of the prefabricated wallboard are respectively provided with an anti-seismic reinforcing mesh;
the bidirectional core pulling process is adopted, so that the core pulling stroke is reduced, the adhesive force of concrete during core pulling is reduced, and the pore-forming quality of the hollow pore is ensured;
the relative movement of the fixed core tube group and the movable core tube group ensures the pore-forming quality and effectively prevents the pore wall from collapsing during core pulling;
the core tubes of the fixed core tube group and the movable core tube group are arranged in a staggered manner, are sequentially extracted during core pulling, so that the collapse of the wall of the prefabricated wall body caused by simultaneous extraction is avoided, and the interfaces of the core tubes are arranged on different planes in a staggered manner, so that the pore-forming quality and the structural strength of the wall body are ensured;
the invention has high mechanization and automation degree and high production efficiency, and effectively reduces the cost of manpower and equipment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a schematic view of the positions of a fixed core tube set and a movable core tube set according to the present invention;
FIG. 4 is a schematic view of the moving positions of the fixed core tube group and the movable core tube group according to the present invention;
fig. 5 is a schematic view of the core tube of the present invention docked in position.
Reference numerals: the device comprises a 1-core pipe rack, a 11-fixed core pipe group, a 111-core pipe, a 112-core pipe vibrating device, a 12-movable core pipe group, a 13-movable frame, a 2-core pipe track, a 3-core-pulling oil cylinder, a 4-forming die, a 5-workbench and a 6-hydraulic station.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
The wallboard produced by the invention is a prefabricated concrete hollow anti-seismic wallboard, the wallboard comprises two reinforcing steel bars which are respectively arranged at the upper part and the lower part of the wallboard, and the upper reinforcing steel bars and the lower reinforcing steel bars are connected through lacing wires perpendicular to the reinforcing steel bars to form a reinforcing steel bar keel of the wallboard; the four sides of the reinforcing mesh extend out of the wallboard and serve as anchor-pulling reinforcing bars. The wall body of the wallboard is provided with hollow holes in the length direction, the hollow holes are formed through a core pipe 111, and the hollow holes are arranged at intervals in the width direction and parallel to the reinforcing mesh. The wallboard is formed by placing a core tube 111 in a steel bar keel, arranging end dies and side dies around, pouring concrete, withdrawing the core tube 111 after the concrete is initially set, and removing the end dies and the side dies after unified maintenance.
Further, the distance between the reinforcing mesh and the upper and lower surfaces of the wallboard is 20mm, the distance between the anchor pulling reinforcing bars in the length direction and the left and right side surfaces of the wallboard is 500mm, and the distance between the anchor pulling reinforcing bars in the width direction and the front and rear side surfaces of the wallboard is 300mm.
Further, lacing wires and hollow holes between the reinforcement meshes are staggered; the lacing wires are arranged at intervals along the length direction and the width direction, preferably, the lacing wires are arranged at intervals of 450mm along the length direction, and the width direction and the hollow holes are arranged in one-to-one correspondence.
Further, the length of the wallboard is not more than 3000mm, the width is 600-2400mm, and the thickness is 200 or 240mm.
The wallboard has stronger shock resistance by being provided with two layers of reinforcing steel meshes; the anchor-pulling steel bars extending from the periphery of the steel bar mesh can be pulled and anchored with a foundation or an adjacent wallboard to form a stable whole when the wallboard is installed, has stronger shock resistance, and can be applied to assembly type buildings in areas with earthquake intensity of 7 or 8 degrees; the hollow holes of the wallboard enable the hollow rate of the wallboard to be not less than 27%, and compared with the solid wallboard, the wallboard has small in-plane lateral rigidity and light dead weight, reduces the burden of the wall body and a building foundation, and saves resources.
As shown in fig. 1 and 2, a production device of a two-way loose core prefabricated hollow anti-seismic wallboard is used for producing the prefabricated anti-seismic hollow wallboard, wherein the prefabricated anti-seismic hollow wallboard is a hollow wallboard with reinforcing steel bars arranged on the upper surface and the lower surface, and four sides of the hollow wallboard extend out of anchor-pulling reinforcing steel bars, and the production device comprises a core pipe platform, a mould platform and auxiliary equipment; the die platform comprises a forming die 4 and a workbench 5, and the forming die 4 is arranged on the workbench 5; the core tube platforms are symmetrically arranged on two sides of the die platform and comprise a core tube frame 1, a core tube rail 2 and core pulling oil cylinders 3, wherein the core tube rail 2 is arranged on two sides of a workbench 5, the core tube frame 1 is arranged on the core tube rail 2, the core pulling oil cylinders 3 are fixed on the core tube rail 2, and movable ends of the core tube cylinders are connected with the core tube frame 1; the core pipe frame 1 is oppositely arranged at two sides of the workbench 5 and is used for bidirectionally and outwards carrying out core pulling action.
As shown in fig. 1, 3 and 4, the core pipe frame 1 comprises a fixed core pipe group 11, a movable core pipe group 12 and a moving frame 13, wherein the moving frame 13 is arranged on the core pipe rail 2, the fixed core pipe group 11 is fixedly connected to the moving frame 13, and the movable core pipe group 12 is movably connected to the moving frame 13. Preferably, the movable core tube group 12 is arranged at the inner side of the fixed core tube group 11, and when core pulling is performed, the fixed core tube group 11 synchronously moves outwards along with the moving frame 13, the movable core tube group 12 and the fixed core tube group 11 relatively move, and the delay and the extraction speed are slower. Preferably, when the fixed core tube group 11 is withdrawn outwards, the movable core tube group 12 is withdrawn after a certain time, and the withdrawal speed is lower than the withdrawal speed of the fixed core tube group 11.
Further, the movement of the movable core tube group 12 and the fixed core tube group 11 are both powered by the hydraulic station 6, and a hydraulic cylinder is used as an internal and external movement device. The two sets of core tube platforms share one set of hydraulic station 6 as a power source, so that synchronous control is facilitated, synchronization of core pulling actions is ensured, and core pulling quality is ensured.
As shown in fig. 3 and 4, further, the fixed core tube group 11 and the movable core tube group 12 each include a core tube 111 and a core tube vibration device 112, the core tube vibration device 112 includes an eccentric motor, a transmission device, and a vibrating rod core, one end of the vibrating rod core is connected with the eccentric motor through the transmission device, and the other end is inserted into the core tube 111. The eccentric motor generates vibration and is transmitted to the vibrating rod core by the transmission device, the vibrating rod core is inserted into the hollow of the core tube 111 to vibrate, and when one-time distribution is performed, the concrete falls to the lower layer of the forming die 4 through vibration, and the distribution of the concrete in the wall body is uniform.
As shown in fig. 3, 4 and 5, further, the core tube 111 is an oval hollow tube, and the inner end of the core tube is provided with a primary opening and a secondary opening, and the left side and the right side of the core tube are matched with the primary opening and the secondary opening of the core tube 111. The core tubes 111 are in place, the end parts of the core tubes 111 on the two sides are in butt joint through the primary and secondary openings, and are erected on the end mould through the root parts of the core tubes 111, so that the overall stability of the core tubes 111 is ensured. The wallboard with the hollow Kong Xiangjiao circular holes formed by the elliptical core tube 111 has the advantages of larger hollow rate and lighter dead weight under the same external dimension.
As shown in fig. 4, further, the core tubes 111 of the movable core tube group 12 are staggered with the core tubes 111 of the fixed core tube group 11. The core tubes 111 are arranged in a staggered manner, the movable core tube groups 12 and the fixed core tube groups 11 move relatively, core pulling is performed at intervals and in sequence, the stability of the whole structure of the unset concrete is guaranteed, the problems that the adhesive force of the concrete is large, the core pulling difficulty is easy to adsorb and drive the concrete to damage the quality of the inner cavity of a hollow hole due to simultaneous core pulling are avoided, the core tubes 111 are arranged in a staggered manner, the concrete is supported by pulling out in sequence, the collapse of the wall of the hole is prevented, and the quality of a wallboard is guaranteed.
As shown in fig. 5, further, the core tube 111 of the fixed core tube group 11 and the inner end of the core tube 111 of the movable core tube group 12 are staggered, so that damage to the whole structure of unset concrete inside the wall body caused by repeated application of external force to the same plane position when the core tube 111 joint is located on the same plane during core pulling is avoided, and the quality of the wall body is affected.
Further, the inner end outer diameter of the core tube 111 is smaller than the root outer diameter by 2mm, and the outer diameter size is gradually reduced. The core tube 111 is arranged into a structure with a small inside and a large outside, so that core pulling is easier, the outer diameter is gradually reduced, and the hollow rate of the wall body is not influenced while a good extraction effect is ensured.
As shown in fig. 1, further, the core-pulling cylinders 3 adopt a hydraulic station as a power source, one hydraulic station is provided, two core-pulling cylinders 3 are connected to a hydraulic station 6, and the hydraulic station 6 comprises an oil tank, an oil pump, a motor, a control system and an oil pipe. The hydraulic station 6 provides power for the core pulling oil cylinder 3 and controls the movement of the core pulling oil cylinder; the power and control of the fixed core tube group 11 and the movable core tube group 12 are provided by the hydraulic station 6.
As shown in fig. 1, 3 and 4, further, the core pulling cylinder 3 is a hydraulic cylinder, is fixed on the core tube rail 2, is parallel to the moving direction of the core tube frame 1, and acts on the core tube frame 1 by taking the hydraulic station 6 as a power source to make the core tube frame reciprocate. The core-pulling oil cylinder 3 pushes the moving frame 13 to reciprocate on a gear track on the core tube track 2, and the sequential extraction of the movable core tube group 12 and the fixed core tube group 11 is realized by means of a control system of the hydraulic station 6.
Further, the forming mold 4 comprises an end mold, a side mold and a bottom mold, wherein two end molds and two side molds are respectively arranged, and adjacent end molds and side molds are connected by adopting key grooves.
Further, the end mold is provided with a yielding groove of the core pipe 111 and a yielding hole of the anchor bar, and the side mold is provided with a yielding hole of the anchor bar.
Further, the auxiliary equipment comprises a distributing machine, a flat plate vibrator, a rubbing machine, a forklift, a travelling crane, a hopper and a pallet truck.
Further, the core tube vibration device 112 and the vibration compaction mode of the plate vibrator are adopted, so that the concrete in the wallboard is uniform and compact, the appearance surface quality is good, and the manufactured wallboard is high in structural strength, good in stability and good in forming quality.
A construction method of a production device of a bidirectional loose core prefabricated hollow anti-seismic wallboard comprises the following steps:
s1, preparation of production: cleaning a workbench, paving a bottom die and wallboard steel bar keels, positioning and fixing an end die and a side die firmly, binding the steel bar keels, and extending the end parts of the steel bar keels out of the die to form anchor-pulling steel bars;
s2, positioning the core tube 111: the driving hydraulic station drives the core pulling oil cylinder 3 to extend to push the core pipe rack 1 to move inwards until the core pipes 111 on the two sides are butted in place; before the core pipe 111 is butted, the movable core pipe group 12 and the fixed core pipe group 11 are restored to the initial positions, and then the butt joint is carried out;
s3, primary material distribution: the fork truck conveys the concrete in the hopper to the distributing machine, the distributing machine starts to distribute the material, when the distributing machine distributes the material to the half height of the forming die 4, the core pipe vibration device 112 is started, and when the distributing machine continues to distribute the material until the concrete is slightly higher than the edge of the forming die 4, the distributing and vibrating are stopped;
s4, secondary cloth: removing the material distributor, placing the flat plate vibrator in place, lifting the vibrating plate after the vibrating plate covers the concrete surface and vibrates for 20 seconds, manually supplementing material, covering and vibrating for 10 seconds again, and removing the flat plate vibrator;
s5, surface flattening: the rubbing machine is in place, one end of the forming die 4 moves at a uniform speed to the other end of the forming die, the surface of the concrete is rubbed and flattened, and the forming die is finished after two reciprocations;
s6, wallboard loose core: the driving hydraulic station 6 drives the core pipe frame 1 to move outwards, the fixed core pipe group 11 is pulled out along with the moving frame 13 in the core pulling process, and the movable core pipe group 12 and the moving frame 13 move relatively and are pulled out later;
s7, subsequent production: carrying out subsequent production of the wallboard according to the steps S1-S6;
s8, wallboard transportation: the forklift truck conveys the poured wallboard and the molding die 4 to a curing area for unified curing;
s9, wallboard maintenance and transportation and storage: and after maintenance, the wallboard is subjected to die stripping and then is uniformly stored.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The production device of the two-way loose core prefabricated hollow anti-seismic hollow wallboard is used for producing the prefabricated anti-seismic hollow wallboard, wherein the prefabricated anti-seismic hollow wallboard is a hollow wallboard with reinforcing steel bars arranged on the upper surface and the lower surface, and the four side surfaces extend out of anchor-pulling reinforcing steel bars; the mold platform comprises a forming mold (4) and a workbench (5), and the forming mold (4) is arranged on the workbench (5); the core tube platforms are symmetrically arranged on two sides of the die platform and comprise a core tube rack (1), core tube rails (2) and core pulling oil cylinders (3), wherein the core tube rails (2) are arranged on two sides of a workbench (5), the core tube rack (1) is arranged on the core tube rails (2), the core pulling oil cylinders (3) are fixed on the core tube rails (2), and movable ends of the core tube racks are connected with the core tube racks (1);
the core tube frame (1) comprises a fixed core tube group (11), a movable core tube group (12) and a moving frame (13), wherein the moving frame (13) is arranged on the core tube rail (2), the fixed core tube group (11) is fixedly connected to the moving frame (13), and the movable core tube group (12) is movably connected to the moving frame (13);
the fixed core tube group (11) and the movable core tube group (12) comprise a core tube (111) and a core tube vibration device (112), the core tube vibration device (112) comprises an eccentric motor, a transmission device and a vibrating rod core, one end of the vibrating rod core is connected with the eccentric motor through the transmission device, and the other end of the vibrating rod core is inserted into the core tube (111);
the core tube (111) is an elliptic hollow tube, the inner end of the core tube is provided with a primary opening and a secondary opening, and the left side and the right side of the core tube are matched with the primary opening and the secondary opening of the corresponding core tube (111);
the core tubes (111) of the movable core tube group (12) and the core tubes (111) of the fixed core tube group (11) are arranged in a staggered mode;
the inner end outer diameter of the core tube (111) is smaller than the root outer diameter by 2mm, and the outer diameter size is gradually reduced.
2. The production device of the bidirectional core-pulling prefabricated hollow anti-seismic wallboard according to claim 1, wherein the production device is characterized by comprising the following steps of: the core pulling oil cylinders (3) adopt a hydraulic station (6) as a power source, one hydraulic station (6) is provided, the two core pulling oil cylinders (3) are connected to the hydraulic station (6), and the hydraulic station (6) comprises an oil tank, an oil pump, a motor, a control system and an oil pipe.
3. The production device of the bidirectional core-pulling prefabricated hollow anti-seismic wallboard according to claim 1, wherein the production device is characterized by comprising the following steps of: the forming die (4) comprises an end die, a side die and a bottom die, wherein two end dies and two side dies are respectively arranged, and adjacent end dies and side dies are connected through key grooves.
4. The production device of the bidirectional core-pulling prefabricated hollow anti-seismic wallboard according to claim 3, wherein the production device is characterized by comprising the following steps of: the end die is provided with a yielding groove of the core tube (111) and a yielding hole of the anchor bar, and the side die is provided with a yielding hole of the anchor bar.
5. The production device of the bidirectional core-pulling prefabricated hollow anti-seismic wallboard according to claim 1, wherein the production device is characterized by comprising the following steps of: the auxiliary equipment comprises a distributing machine, a flat plate vibrating machine, a rubbing machine, a forklift, a travelling crane, a hopper and a pallet truck.
6. The construction method of the production device of the bidirectional core-pulling prefabricated hollow anti-seismic wallboard according to any one of claims 1 to 5, which is characterized by comprising the following steps: the method comprises the following steps:
s1, preparation of production: cleaning a workbench, paving a bottom die and wallboard steel bar keels, positioning and fixing an end die and a side die firmly, binding the steel bar keels, and extending the end parts of the steel bar keels out of the die to form anchor-pulling steel bars;
s2, positioning a core tube (111): the driving hydraulic station drives the core pulling oil cylinder (3) to extend to push the core pipe frame (1) to move inwards until the core pipes (111) on two sides are butted in place;
s3, primary material distribution: the fork truck conveys the concrete in the hopper to the distributing machine, the distributing machine starts to distribute the material, when the distributing machine distributes the material to the half height of the forming die (4), the core tube vibrating device (112) is started, and when the distributing machine continues to distribute the material to the position slightly higher than the edge of the forming die (4), the distributing and vibrating are stopped;
s4, secondary cloth: removing the material distributor, placing the flat plate vibrator in place, lifting the vibrating plate after the vibrating plate covers the concrete surface and vibrates for 20 seconds, manually supplementing material, covering and vibrating for 10 seconds again, and removing the flat plate vibrator;
s5, surface flattening: the rubbing machine is in place, one end of the forming die (4) moves at a uniform speed to the other end and rubs the surface of the concrete, and the process is finished after the two reciprocating processes;
s6, wallboard loose core: the hydraulic station (6) is driven to drive the core pipe rack (1) to move outwards, the fixed core pipe group (11) is pulled out along with the moving rack (13) in the core pulling process, and the movable core pipe group (12) and the moving rack (13) move relatively and are pulled out later;
s7, subsequent production: carrying out subsequent production of the wallboard according to the steps S1-S6;
s8, wallboard transportation: the forklift truck conveys the poured wallboard and the molding die (4) to a curing area for unified curing;
s9, wallboard maintenance and transportation and storage: and after maintenance, the wallboard is subjected to die stripping and then is uniformly stored.
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| CN111347550A (en) * | 2020-05-02 | 2020-06-30 | 郑州玛纳房屋装备有限公司 | Bidirectional orifice plate production process by using master-slave mold technology |
| CN113084973B (en) * | 2021-04-22 | 2022-11-11 | 北京珠穆朗玛绿色建筑科技有限公司 | L-shaped and T-shaped prefabricated hollow shear wall plate vertical mold production equipment and working method |
| CN113479644A (en) * | 2021-06-25 | 2021-10-08 | 河北新大地机电制造有限公司 | Automatic core pulling and transferring mechanism |
| CN114378932B (en) * | 2021-12-30 | 2023-10-10 | 福建群峰机械有限公司 | Acoustic panel core pulling technology |
| CN117901255A (en) * | 2024-03-19 | 2024-04-19 | 中铁四局集团有限公司 | Standardized feeding mechanism and method for longitudinal bars of prefabricated small box girder steel mesh |
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