CN109203226A - Dual-direction pre-tensioning system prestressed complexes and the production method for using complexes - Google Patents
Dual-direction pre-tensioning system prestressed complexes and the production method for using complexes Download PDFInfo
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- CN109203226A CN109203226A CN201811265607.7A CN201811265607A CN109203226A CN 109203226 A CN109203226 A CN 109203226A CN 201811265607 A CN201811265607 A CN 201811265607A CN 109203226 A CN109203226 A CN 109203226A
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- Prior art keywords
- reinforcing bar
- strand wires
- steel
- composite beam
- steel strand
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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
- 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
-
- 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
- B28B23/043—Wire anchoring or tensioning means for the reinforcements
Abstract
The present invention relates to dual-direction pre-tensioning system prestressed complexes and using the production method of complexes.The device includes the vertical stretch board that steel frame, the horizontal table on steel frame, each side of steel frame are welded, left side stretch board and rear side stretch board offer open slot, further include frame mold, is equipped with two tensioning mechanisms of cross directional stretch and longitudinal stretching with stretch board inside outside frame mold.Due to the presence of steel frame, steel-frame structure intensity meets prestressing force requirement, overcome conventional concrete platform that can only bear the pressure of single direction, the problem of cannot bearing the pressure of another vertical direction, conventional concrete platform is overcome to be restricted short slab by construction site geomorphic feature simultaneously, large-sized concrete pier under avoiding building in depth, in two-way steel strand wires or reinforcing bar recuperation, make the concrete compression of solidification, to which the cracking resistance of composite beam or superimposed sheet, bending stiffness, compression strength and anti-seismic performance are excellent, the field suitable for top load.
Description
Technical field
The present invention relates to superimposed sheet or composite beam production technical fields, more particularly to one kind is for producing composite beam or overlapping
The dual-direction pre-tensioning system prestressed complexes of the packaged type of plate and the method for producing composite beam or superimposed sheet using the complexes.
Background technique
With the development of the society, capital construction industry development is swift and violent, energy saving composite beam, the superimposed sheet of green building are prefabrication and assembly constructions
The critical component of formula structure green energy saving building is the key that building industrialization and green manufacture technology are researched and developed to form prefabricated structure
Part, be suitable for civilian, industrial, quotient live etc. building fields.And factory for prefabrication in plant area produces Prefabricated superposed beam, prefabricated folded at present
Plywood, farther out far from urban district, Prefabricated superposed beam that factory for prefabrication produces, prefabricated superimposed sheet need to grow in the place of capital construction at present
Way is transported, therefore production cost is higher, when Prefabricated superposed beam, prefabricated superimposed sheet are larger, it is difficult to transport, it is therefore desirable to construct
Point nearby builds the workbench for producing Prefabricated superposed beam, prefabricated superimposed sheet, and the workbench of construction site is all first will at present
Two concrete buttress separately is cast in subsurface, then work top is arranged between two concrete buttress separately,
The tensioning mechanism for tension steel strand or reinforcing bar is set on two concrete buttress again, since the concrete buttress on vertical ground is held
By the stretching force for being parallel to ground, i.e., for concrete buttress, shearing force is born, it is according to coagulation soil characteristics it is found that mixed
Solidifying soil can bear high-intensitive pressure, but be difficult to bear lateral shearing force, therefore traditional concrete buttress must pour very
The big scale of construction could carry the significant shear power of prestressed stretch-draw conversion, while in the actual production process, each construction site
State difference is surveyed on ground, when meeting soft soil horizon, it is necessary to concrete buttress be passed through liquidized layer, into firm stratum, to reduce
Opposite lateral displacement under shearing force when underground liquidized layer absolute altitude is higher, generally requires to pour near concrete buttress
A large amount of large-diameter concrete stake is built, the lateral bearing capacity of soil is improved, reduces the lateral displacement of concrete buttress, pour simultaneously
Large-diameter concrete stake is with high costs, it is difficult to bear.
Summary of the invention
The purpose of the present invention is in view of the deficienciess of the prior art, i.e. Prefabricated superposed beam, prefabricated superimposed sheet only one
The prestressing force in direction, it is difficult to be suitable for high-strength building field, while existing workbench is influenced by construction site landforms, is poured
Concrete work platform is difficult, provides a kind of production composite beam by the restriction of construction geomorphic feature, production without two dimension prestressing
Or the dual-direction pre-tensioning system prestressed complexes of packaged type and use complexes production composite beam or superimposed sheet of superimposed sheet
Method.
To achieve the goals above, the present invention is a kind of for producing the packaged type dual-direction pre-tensioning system of composite beam or superimposed sheet
The technical solution that prestressing force complexes are taken:
A kind of dual-direction pre-tensioning system prestressed complexes of packaged type for producing composite beam or superimposed sheet, include to put
The steel frame in level ground upper cage shape is set, the steel frame upper surface is provided with for solidifying and carrying composite beam or overlapping
The horizontal table of plate, each side of steel frame are welded with vertical stretch board, and each stretch board top edge extends to horizontal work
Make above platform, left side stretch board upper surface and rear side stretch board upper surface are spaced apart and are equipped with along corresponding tensioning plate thickness direction
Open slot, it further includes putting that the open slot, which is moved along open slot thickness direction for limiting steel strand wires or reinforcing bar to be tensioned,
The frame mold on horizontal table is set, frame mold goes out concrete hoop to be solidified for holding concrete to be solidified
The shape of meet demand, offers inserting hole separately on each side plate of frame mold, the inserting hole for it is interspersed to
The steel strand wires or reinforcing bar of tensioning are equipped with the tensioning mechanism of longitudinal stretching, position on the outside of frame mold with front side stretch board inside
Tensioning mechanism stretching in the transverse direction is equipped with right side stretch board inside on the outside of frame mold, the tensioning mechanism includes that clamping steel twists
The clamping device of line or reinforcing bar and the anchoring mechanism connecting with clamping device, the clamping device include long along corresponding stretch board
The strip plate of a pair of spaced of direction setting is spent, two strip plates are arranged in upper layer and lower layer, if upper and lower two strip plate passes through bolt stem
It is connected to form load gooseneck, the anchoring mechanism includes the long bolt across corresponding stretch board, and long bolt one end is through connecting
Part is connect with load gooseneck, and the long bolt other end is screwed with nut after passing through corresponding stretch board, and the nut is contradicted in correspondence
On stretch board outer wall, for being tensioned the steel strand wires or reinforcing bar of gripper mechanism grips.
When the invention works, first steel frame is placed on vacant lot, horizontal table is made to face up, by more steel strand wires
Or reinforcing bar is successively punctured into the inserting hole of frame mold, is kept steel strand wires or reinforcing bar longitude and latitude arranged in a crossed manner, is made each steel strand wires or steel
Muscle one end is placed between the gap of two strip plates of a clamping device, and each steel strand wires or the reinforcing bar other end are connected to corresponding opening
In slot, each nut is then rotated, moves each load gooseneck to corresponding stretch board, thus by steel strand wires or steel bar stretching,
Then steel strand wires or reinforcing bar topple over concrete into frame mold again, make concrete and steel strand wires or steel there are a prestressing force
Clamping device is unclamped in muscle solidification, and steel strand wires or reinforcing bar restore, and steel strand wires or reinforcing bar compress concrete.
Compared with prior art, the invention has the benefit that due to steel frame presence, steel frame self structure can
It is enough to bear lateral stretching force, and longitudinal stretching force can be born, avoid the concrete work platform of traditional strip that from can only holding
By the stretching force of length direction, the horizontal stretching force perpendicular to length direction cannot be born, while overcoming conventional concrete platform
By the short slab that construction site geomorphic feature restricts, large-sized concrete pier avoid building in depth under saves human and material resources, contracts
Subtract construction cost, in two-way steel strand wires or reinforcing bar recuperation, makes the concrete compression of solidification, thus composite beam or superimposed sheet
Cracking resistance, bending stiffness, compression strength and anti-seismic performance are excellent, the field suitable for top load.
The steel frame includes several steel structure beams, several steel construction stringers and several steel construction vertical beam cross welds
It forms.
The connector include the first U-shaped fork-join head and the second U-shaped fork-join head, the U-shaped connecting plate of the first U-shaped fork-join head and
The root of second U-shaped fork-join head is hinged, and the root of the first U-shaped fork-join head is connect with long bolt one end, and the load gooseneck is worn
It is inserted in the U-shaped connecting plate of the second U-shaped fork-join head, the U-shaped connecting plate of load gooseneck via pins and the second U-shaped fork-join head is cut with scissors
It connects, the U-shaped connecting plate of the second U-shaped fork-join head is rotated to the U-shaped connecting plate both side plate of the second U-shaped fork-join head.
The root of the first U-shaped fork-join head is threadedly coupled or welds with long bolt.
It offers on the U-shaped hole in open slot cross section, the front side stretch board and right side stretch board convenient for long spiral shell
The interspersed waist-shaped hole of bar, waist-shaped hole length direction are vertically arranged.It is conveniently adjusted the height of steel strand wires or reinforcing bar from horizontal table,
Adapt to the production of composite beam or superimposed sheet.
With a kind of dual-direction pre-tensioning system prestressed complexes phase of above-mentioned packaged type for producing composite beam or superimposed sheet
Corresponding, the present invention also provides the technical solutions that the method using complexes production composite beam or superimposed sheet is taken:
A method of using the dual-direction pre-tensioning system prestressed complexes production composite beam of packaged type or superimposed sheet, including
The following steps:
Step 1: placing steel frame according to the position of job location and find one piece of hard vacant lot of ground even, soil property,
Steel frame is hung on vacant lot, it is ensured that horizontal table is face-up；
Step 2: cleaning horizontal table, by horizontal table surface sweep clean out, it is ensured that workbench surface without
Granule foreign, according to production requirement, if production superimposed sheet selects corresponding frame mold according to the demand of production superimposed sheet,
Determine steel strand wires or reinforcing bar apart from the distance between workbench upper surface, coarse adjustment transverse stretching mechanism and longitudinal tensioning mechanism
Height, if production composite beam, according to production composite beam demand, select corresponding frame mold, determine steel strand wires or steel
Muscle is apart from the distance between workbench upper surface, the height of coarse adjustment transverse stretching mechanism and longitudinal tensioning mechanism；
Step 3: steel strand wires or reinforcing bar to be tensioned are punctured into pair according to production requirement by pre-tensioner steel strand wires or reinforcing bar
In the frame mold answered, each steel strand wires or reinforcing bar one end are made to extend to the outer clamping device connection corresponding with one of frame mold, separately
One end extends to outside frame mold and is clamped with corresponding open slot；
Step 4: being tensioned steel strand wires or reinforcing bar, first tightening nut again, and each long bolt is matched with corresponding open slot, will
Corresponding steel strand wires or reinforcing bar are tightened, and are horizontally disposed with long bolt coaxially with corresponding steel strand wires or reinforcing bar, then use peripheral hardware
Device is connect with long bolt free end, and peripheral device stretches corresponding steel strand wires or reinforcing bar through long bolt, makes corresponding steel strand wires
Or reinforcing bar flexible deformation rotates each nut to after in accordance with deformation requirements, contradicts nut on corresponding stretch board outer wall, it is ensured that steel
Twisted wire or reinforcing bar flexible deformation are kept；
Step 5: the concrete stirred evenly is poured into each frame mold by composite beam or superimposed sheet pre-profiling, it is ensured that
Concrete upper surface and associated frame members mould upper surface maintain an equal level, and concrete is made to dry up coagulation forming；
Step 6: composite beam or superimposed sheet maintenance sprayed the concrete for the coagulation forming that dries up in step 5 every 2 hours
Water drenching, it is ensured that composite beam or superimposed sheet internal drowning, then keep concrete dry, 4 to 5 times repeatedly, obtain molding composite beam or
Superimposed sheet；
Step 7: removing frame mold, and by the corresponding stretch board of each nut whiz, then peripheral device and long bolt are free
End disconnect, unclamp each clamping device, frame mold removed, finally by workbench composite beam or superimposed sheet hang work
Platform；
Step 8: arranging, by step 7 composite beam or superimposed sheet stack neat, cleaning work platform is ready for
The production of next round.
Compared with prior art, the invention has the benefit that not restricted by geomorphic feature since steel frame is easily carried,
Steel frame intensity is higher simultaneously, can bear transverse pressure and bear longitudinal pressure, overcome concrete that cannot bear shearing force
Characteristic.
Detailed description of the invention
Fig. 1 is top view of the invention.
Fig. 2 is the top view of steel frame in Fig. 1.
Wherein, 1 steel frame, 101 steel structure beams, 102 steel construction stringers, 103 steel construction vertical beams, 2 horizontal tables, 3
Stretch board, 301 open slots, 4 frame molds, 5 tensioning mechanisms, 501 clamping devices, 502 anchoring mechanisms, 503 strip plates, 504 hold
Power gooseneck, 505 long bolts, 506 nuts, 6 connectors, 601 first U-shaped fork-join heads, 602 second U-shaped fork-join heads, 7 steel strand wires
Or reinforcing bar.
Specific embodiment
As described in Fig. 1-2, be a kind of packaged type for producing composite beam or superimposed sheet it is dual-direction pre-tensioning system prestressed at
Covering device includes the steel frame 1 for being placed on level ground upper cage shape, if steel frame 1 include several steel structure beams 101,
Dry steel construction stringer 102 and several 103 cross welds of steel construction vertical beam form, and 1 upper surface of steel frame is provided with for solidifying
And the horizontal table 2 of composite beam or superimposed sheet is carried, each side of steel frame 1 is welded with vertical stretch board 3, each tensioning
3 top edge of plate extends to 2 top of horizontal table, and 3 upper surface of left side stretch board and 3 upper surface of rear side stretch board are spaced apart
Equipped with the open slot 301 along corresponding 3 thickness direction of stretch board, the U-shaped hole in 301 cross section of open slot, front side stretch board 3 and right side
The waist-shaped hole interted convenient for long bolt 505 is offered on stretch board 3, waist-shaped hole length direction is vertically arranged.It is conveniently adjusted steel
The height of twisted wire or reinforcing bar 7 from horizontal table 2 adapts to the production of composite beam or superimposed sheet, and open slot 301 is for limiting wait open
The steel strand wires or reinforcing bar 7 of drawing are moved along 301 thickness direction of open slot, further include being placed on frame mold 4 on horizontal table 2,
Concrete hoop to be solidified is gone out the shape of meet demand, frame mold 4 for holding concrete to be solidified by frame mold 4
Each side plate on offer inserting hole separately, inserting hole is located at frame for interting steel strand wires or reinforcing bar 7 to be tensioned
The tensioning mechanism 5 mold 4 outside and be equipped with longitudinal stretching on the inside of front side stretch board 3 is located at 4 outside of frame mold and right side tensioning
On the inside of plate 3 be equipped with tensioning mechanism 5 stretching in the transverse direction, tensioning mechanism 5 include clamping steel strand wires or reinforcing bar 7 clamping device 501 with
And the anchoring mechanism 502 connecting with clamping device 501, clamping device 501 include along the one of corresponding 3 length direction of stretch board setting
To strip plate 503 separately, two strip plates 503 are arranged in upper layer and lower layer, if upper and lower two strip plate 503 warp bolt stem is connected
Load gooseneck 504 is formed, anchoring mechanism 502 includes the long bolt 505 across corresponding stretch board 3, and 505 one end of long bolt is through even
Fitting 6 is connect with load gooseneck 504, and connector 6 includes the first U-shaped fork-join head 601 and the second U-shaped fork-join head 602, the first U
The U-shaped connecting plate of type fork-join head 601 and the root of the second U-shaped fork-join head 602 are hinged, the root of the first U-shaped fork-join head 601 and length
The connection of 505 one end of screw rod, the root of the first U-shaped fork-join head 601 are threadedly coupled or weld with long bolt 505, load gooseneck 504
It is interspersed in the U-shaped connecting plate of the second U-shaped fork-join head 602, the U of 504 via pins of load gooseneck and the second U-shaped fork-join head 602
Type connecting plate is hinged, and the U-shaped connecting plate of the second U-shaped fork-join head 602 turns to the U-shaped connecting plate both side plate of the second U-shaped fork-join head 602
Dynamic, 505 other end of long bolt is screwed with nut 506 after passing through corresponding stretch board 3, and nut 506 is contradicted in corresponding 3 outer wall of stretch board
On, for being tensioned the steel strand wires or reinforcing bar 7 of the clamping of clamping device 501.
When work, first steel frame 1 is placed on vacant lot, horizontal table 2 is made to face up, by more steel strand wires or steel
Muscle 7 is successively punctured into the inserting hole of frame mold 4, is kept steel strand wires or 7 longitude and latitude of reinforcing bar arranged in a crossed manner, is made each steel strand wires or reinforcing bar
7 one end are placed between the gap of two strip plates 503 of a clamping device 501, and each steel strand wires or 7 other end of reinforcing bar are connected to pair
It answers in open slot 301, then rotates each nut 506, move each load gooseneck 504 to corresponding stretch board 3, thus by steel
Twisted wire or reinforcing bar 7 stretch, then steel strand wires or reinforcing bar 7 are toppled over concrete into frame mold 4 again, made there are a prestressing force
Concrete and steel strand wires or reinforcing bar 7 solidify, and unclamp clamping device 501, and steel strand wires or reinforcing bar 7 restore, and steel strand wires or reinforcing bar 7 make to mix
Solidifying soil pressure contracting.
With a kind of dual-direction pre-tensioning system prestressed complexes phase of above-mentioned packaged type for producing composite beam or superimposed sheet
Corresponding, the present invention also provides the technical solutions that the method using complexes production composite beam or superimposed sheet is taken:
A method of using the dual-direction pre-tensioning system prestressed complexes production composite beam of packaged type or superimposed sheet, including
The following steps:
Step 1: placing steel frame according to the position of job location and find one piece of hard vacant lot of ground even, soil property,
Steel frame 1 is hung on vacant lot, it is ensured that horizontal table 2 is face-up；
Step 2: 2 surface of horizontal table is swept and is cleaned out, it is ensured that workbench surface by cleaning horizontal table
Without granule foreign, according to production requirement, if production superimposed sheet selects corresponding frame mould according to the demand of production superimposed sheet
Tool 4 determines steel strand wires or reinforcing bar 7 apart from the distance between workbench upper surface, coarse adjustment transverse stretching mechanism 5 and longitudinal direction
The height of drawing mechanism 5, if production composite beam selects corresponding frame mold 4, determine steel according to the demand of production composite beam
Twisted wire or reinforcing bar 7 are apart from the distance between workbench upper surface, coarse adjustment transverse stretching mechanism 5 and longitudinal tensioning mechanism 5
Highly；
Step 3: steel strand wires or reinforcing bar 7 to be tensioned are punctured by pre-tensioner steel strand wires or reinforcing bar according to production requirement
In corresponding frame mold 4, each steel strand wires or 7 one end of reinforcing bar is made to extend to the outer clamping device 501 corresponding with one of frame mold 4
Connection, the other end are extended to outside frame mold 4 and are clamped with corresponding open slot 301；
Step 4: being tensioned steel strand wires or reinforcing bar again, first tightening nut 506, each long bolt 505 and corresponding open slot 301
It matches, corresponding steel strand wires or reinforcing bar 7 is tightened, set long bolt 505 with corresponding steel strand wires or the coaxial level of reinforcing bar 7
It sets, is then connect using peripheral device with 505 free end of long bolt, peripheral device stretches corresponding steel strand wires through long bolt 505
Or reinforcing bar 7, make corresponding steel strand wires or 7 flexible deformation of reinforcing bar to after in accordance with deformation requirements, rotates each nut 506, make nut 506
It contradicts on corresponding 3 outer wall of stretch board, it is ensured that steel strand wires or 7 flexible deformation of reinforcing bar are kept；
Step 5: the concrete stirred evenly is poured into each frame mold 4, really by composite beam or superimposed sheet pre-profiling
It protects concrete upper surface and 4 upper surface of associated frame members mold to maintain an equal level, concrete is made to dry up coagulation forming；
Step 6: composite beam or superimposed sheet maintenance sprayed the concrete for the coagulation forming that dries up in step 5 every 2 hours
Water drenching, it is ensured that composite beam or superimposed sheet internal drowning, then keep concrete dry, 4 to 5 times repeatedly, obtain molding composite beam or
Superimposed sheet；
Step 7: removing frame mold, by the corresponding stretch board 3 of each 506 whiz of nut, then peripheral device and long bolt
505 free ends disconnect, and unclamp each clamping device 501, frame mold 4 is removed, finally by composite beam on workbench or folded
Plywood hangs workbench；
Step 8: arranging, by step 7 composite beam or superimposed sheet stack neat, cleaning work platform is ready for
The production of next round.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements or deformation, these replacements or deformation are within the scope of the invention.
Claims (6)
1. a kind of dual-direction pre-tensioning system prestressed complexes of packaged type for producing composite beam or superimposed sheet, feature exist
In: it include the steel frame for being placed on level ground upper cage shape, the steel frame upper surface is provided with for solidifying and carrying
The horizontal table of composite beam or superimposed sheet, each side of steel frame are welded with vertical stretch board, each stretch board top edge
It extends to above horizontal table, left side stretch board upper surface and rear side stretch board upper surface are spaced apart and are equipped with along corresponding
The open slot of pulling plate thickness direction, the open slot are moved for limiting steel strand wires or reinforcing bar to be tensioned along open slot thickness direction
It is dynamic, it further include being placed on frame mold on horizontal table, frame mold, will be to be solidified for holding concrete to be solidified
Concrete hoop goes out the shape of meet demand, and inserting hole separately, the inserting hole are offered on each side plate of frame mold
For interting steel strand wires or reinforcing bar to be tensioned, of longitudinal stretching is equipped with front side stretch board inside on the outside of frame mold
Drawing mechanism is located on the outside of frame mold and is equipped with tensioning mechanism stretching in the transverse direction, tensioning mechanism packet on the inside of the stretch board of right side
The anchoring mechanism for including the clamping device of clamping steel strand wires or reinforcing bar and connecting with clamping device, the clamping device includes along right
The strip plate of a pair of spaced for answering stretch board length direction to be arranged, two strip plates are arranged in upper layer and lower layer, upper and lower two strip plate
If being connected to form load gooseneck through bolt stem, the anchoring mechanism includes the long bolt across corresponding stretch board, long bolt
One end is connect through connector with load gooseneck, and the long bolt other end is screwed with nut, the nut after passing through corresponding stretch board
It contradicts on corresponding stretch board outer wall, for being tensioned the steel strand wires or reinforcing bar of gripper mechanism grips.
2. a kind of packaged type for producing composite beam or superimposed sheet according to claim 1 is dual-direction pre-tensioning system prestressed
Complexes, it is characterised in that: the steel frame includes several steel structure beams, several steel construction stringers and several steel constructions
Vertical beam cross weld forms.
3. a kind of packaged type dual-direction pre-tensioning system for producing composite beam or superimposed sheet according to claim 1 or 2 is pre-
Stress complexes, it is characterised in that: the connector includes the first U-shaped fork-join head and the second U-shaped fork-join head, the first U-shaped fork
The U-shaped connecting plate of connector and the root of the second U-shaped fork-join head are hinged, and the root of the first U-shaped fork-join head is connect with long bolt one end,
The load gooseneck is interspersed in the U-shaped connecting plate of the second U-shaped fork-join head, load gooseneck via pins and the second U-shaped fork-join
The U-shaped connecting plate of head is hinged, and the U-shaped connecting plate of the second U-shaped fork-join head is to the U-shaped connecting plate two sides of the second U-shaped fork-join head
Plate rotation.
4. a kind of packaged type for producing composite beam or superimposed sheet according to claim 3 is dual-direction pre-tensioning system prestressed
Complexes, it is characterised in that: the root of the first U-shaped fork-join head is threadedly coupled or welds with long bolt.
5. a kind of packaged type for producing composite beam or superimposed sheet according to claim 4 is dual-direction pre-tensioning system prestressed
Complexes, it is characterised in that: opened on the U-shaped hole in open slot cross section, the front side stretch board and right side stretch board
Equipped with the waist-shaped hole interted convenient for long bolt, waist-shaped hole length direction is vertically arranged.
6. it is according to claim 5 it is a kind of using packaged type dual-direction pre-tensioning system prestressed complexes production composite beam or
The method of superimposed sheet, characterized in that it comprises the following steps:
Step 1: steel frame is placed according to the position of job location and one piece of hard vacant lot of ground even, soil property is found, by steel
Frame is hung on vacant lot, it is ensured that horizontal table is face-up；
Step 2: horizontal table surface is swept and is cleaned out, it is ensured that workbench surface is without particle by cleaning horizontal table
Impurity is determined according to production requirement if production superimposed sheet selects corresponding frame mold according to the demand of production superimposed sheet
Steel strand wires or reinforcing bar are apart from the distance between workbench upper surface, the height of coarse adjustment transverse stretching mechanism and longitudinal tensioning mechanism
Degree, if production composite beam, according to production composite beam demand, select corresponding frame mold, determine steel strand wires or reinforcing bar away from
From the distance between workbench upper surface, the height of coarse adjustment transverse stretching mechanism and longitudinal tensioning mechanism；
Step 3: steel strand wires or reinforcing bar to be tensioned are punctured into corresponding by pre-tensioner steel strand wires or reinforcing bar according to production requirement
In frame mold, each steel strand wires or reinforcing bar one end is made to extend to the outer clamping device connection corresponding with one of frame mold, the other end
It extends to outside frame mold and is clamped with corresponding open slot；
Step 4: being tensioned steel strand wires or reinforcing bar, first tightening nut again, and each long bolt is matched with corresponding open slot, will correspond to
Steel strand wires or reinforcing bar tighten, be horizontally disposed with long bolt coaxially with corresponding steel strand wires or reinforcing bar, then use peripheral device
It is connect with long bolt free end, peripheral device stretches corresponding steel strand wires or reinforcing bar through long bolt, makes corresponding steel strand wires or steel
Muscle flexible deformation rotates each nut to after in accordance with deformation requirements, contradicts nut on corresponding stretch board outer wall, it is ensured that steel strand wires
Or reinforcing bar flexible deformation is kept；
Step 5: the concrete stirred evenly is poured into each frame mold, it is ensured that coagulation by composite beam or superimposed sheet pre-profiling
Native upper surface and associated frame members mould upper surface maintain an equal level, and concrete is made to dry up coagulation forming；
Step 6: composite beam or superimposed sheet maintenance, by the concrete for the coagulation forming that dries up in step 5, every 2 hours shower waters,
Ensure composite beam or superimposed sheet internal drowning, then keep concrete dry, 4 to 5 times repeatedly, obtains molding composite beam or overlapping
Plate；
Step 7: removing frame mold, and by the corresponding stretch board of each nut whiz, then peripheral device and long bolt free end are disconnected
Open, unclamp each clamping device, frame mold is removed, finally by workbench composite beam or superimposed sheet hang work and put down
Platform；
Step 8: arranging, by step 7 composite beam or superimposed sheet stack neat, cleaning work platform is ready for next
The production of wheel.
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| CN201811265607.7A CN109203226A (en) | 2018-10-29 | 2018-10-29 | Dual-direction pre-tensioning system prestressed complexes and the production method for using complexes |
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| CN201811265607.7A CN109203226A (en) | 2018-10-29 | 2018-10-29 | Dual-direction pre-tensioning system prestressed complexes and the production method for using complexes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340474A (en) * | 2018-04-25 | 2018-07-31 | 泰州龙祥现代建筑发展有限公司 | A kind of precast prestressed concrete exterior wall cladding process units and production installation method |
| CN109693309A (en) * | 2019-03-01 | 2019-04-30 | 天津银龙预应力材料股份有限公司 | A kind of novel pre-stressed rail plate tension device |
| CN113070977A (en) * | 2021-03-09 | 2021-07-06 | 三峡大学 | Method for manufacturing prestressed ultrahigh-performance concrete slab |
| CN113263615A (en) * | 2021-06-08 | 2021-08-17 | 吉林建筑大学 | Method for preparing bidirectional prestressed concrete laminated slab bottom plate by using large platform |
| CN114888954A (en) * | 2021-03-09 | 2022-08-12 | 湖北七杰新材料科技有限公司 | Method for manufacturing prestressed concrete slab mould |
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| CN107498703A (en) * | 2017-09-01 | 2017-12-22 | 中天建设集团有限公司 | The two-way automatic Tensioning mould of prestressing force mortar Decorative hanging board |
| CN108340474A (en) * | 2018-04-25 | 2018-07-31 | 泰州龙祥现代建筑发展有限公司 | A kind of precast prestressed concrete exterior wall cladding process units and production installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107498703A (en) * | 2017-09-01 | 2017-12-22 | 中天建设集团有限公司 | The two-way automatic Tensioning mould of prestressing force mortar Decorative hanging board |
| CN108340474A (en) * | 2018-04-25 | 2018-07-31 | 泰州龙祥现代建筑发展有限公司 | A kind of precast prestressed concrete exterior wall cladding process units and production installation method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340474A (en) * | 2018-04-25 | 2018-07-31 | 泰州龙祥现代建筑发展有限公司 | A kind of precast prestressed concrete exterior wall cladding process units and production installation method |
| CN109693309A (en) * | 2019-03-01 | 2019-04-30 | 天津银龙预应力材料股份有限公司 | A kind of novel pre-stressed rail plate tension device |
| CN109693309B (en) * | 2019-03-01 | 2024-02-13 | 天津银龙预应力材料股份有限公司 | Novel prestressing force track board stretch-draw device |
| CN113070977A (en) * | 2021-03-09 | 2021-07-06 | 三峡大学 | Method for manufacturing prestressed ultrahigh-performance concrete slab |
| CN114888954A (en) * | 2021-03-09 | 2022-08-12 | 湖北七杰新材料科技有限公司 | Method for manufacturing prestressed concrete slab mould |
| CN113263615A (en) * | 2021-06-08 | 2021-08-17 | 吉林建筑大学 | Method for preparing bidirectional prestressed concrete laminated slab bottom plate by using large platform |
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