CN210918215U - Cast-in-place slab band suspended formwork installation device for laminated slab - Google Patents
Cast-in-place slab band suspended formwork installation device for laminated slab Download PDFInfo
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- CN210918215U CN210918215U CN201921544373.XU CN201921544373U CN210918215U CN 210918215 U CN210918215 U CN 210918215U CN 201921544373 U CN201921544373 U CN 201921544373U CN 210918215 U CN210918215 U CN 210918215U
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Abstract
The utility model relates to a cast-in-place slab band of superimposed sheet hangs mould installation device, cover the template and a plurality of mould mounting that hang that are used for supporting the template of piece department below between two adjacent superimposed sheets including pasting, it includes the harness cord screw rod to hang the mould mounting, lower part nut, lower butt and last butt, lower part nut threaded connection is on the harness cord screw rod, lower butt suit is on the harness cord screw rod and is located the top of lower part nut, upwards pass the template in stretching into the piece in the upper end of harness cord screw rod, lower part nut is butt under the rotary control on the harness cord screw rod reciprocates, make down butt upper end butt in the below of template or with the template separation, go up the butt and connect the upper end at the harness cord screw rod, and the butt is in the top of superimposed sheet. The utility model discloses the hoist and mount that makes the template can be stable has solved superimposed sheet piece department and has utilized traditional formwork system in superimposed sheet piece department, and the pole setting is unstable, easily causes the defect of mould, hourglass thick liquid that rises, and piece department concrete shaping impression of quality is good after the form removal.
Description
Technical Field
The utility model relates to a cast-in-place slab band suspended formwork installation device of superimposed sheet belongs to superimposed sheet building construction field.
Background
The laminated slab is a better structural form combining prefabricated concrete and cast-in-place concrete. The prefabricated prestressed thin plate (5-8 cm in thickness) and the upper cast-in-place concrete layer are combined into a whole and work together. The prestressed main reinforcement of the precast slab is the main reinforcement of the laminated floor slab, and the cast-in-place concrete layer at the upper part is only provided with negative bending moment reinforcing steel bars and constructional reinforcing steel bars. The precast slab is used as a bottom die of a cast-in-place concrete layer, and a template is not required to be supported by the cast-in-place layer. The bottom surfaces of the prefabricated plates are smooth and flat, and the ceiling can not be plastered any more as long as the abutted seams between the laminated plates are processed. The laminated slab has the advantages of integrity, high rigidity, good crack resistance, no increase of reinforcing steel bar consumption, template saving and the like of a cast-in-place floor slab. Because the cast-in-place floor slab does not need to be provided with a formwork, and the large precast concrete partition boards can be simultaneously hoisted in the structural construction stage, the cast-in-place floor slab can be inserted into decoration engineering in advance, and the construction period of the whole engineering is shortened.
However, during actual construction, the joints between the laminated slabs are often not easy to be processed, before concrete is poured, a template needs to be arranged below the joints to support a cast-in-place layer, the support of the template is often difficult, if a vertical rod is arranged on the ground to support, the difficulty of the whole project can be increased, the vertical rod is unstable and easy to topple, the height of the vertical rod is difficult to be consistent, once a small error occurs, the pouring result can be influenced, the defects of mold expansion and slurry leakage are easily caused, the surface of the poured slab is not smooth, and an additional processing step is also needed. Therefore, a simple and easy low-cost device is urgently needed at present, the template can be conveniently and fast hung on the laminated slab, a good hanging effect is guaranteed, the template is attached to the laminated slab as tightly as possible, and the problems of convenience in template removal, appearance and quality of concrete forming at the abutted seams after pouring are considered.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cast-in-place slab band suspended formwork installation device of superimposed sheet is provided, concrete placement of piece department between the completion superimposed sheet that can be very convenient does not need additionally to set up the pole setting support, also can not produce the defect that rises the mould, leak the thick liquid, simple manufacture practices thrift the cost.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a suspended mould installation device for cast-in-situ slab strips of laminated slabs is arranged at a splicing seam between two adjacent laminated slabs and comprises a template attached below the splicing seam between the two adjacent laminated slabs and a plurality of suspended mould fixing pieces used for abutting against the template, the mould hanging fixing piece comprises a harness cord screw, a lower nut, a lower abutting piece and an upper abutting piece, the lower nut is in threaded connection with the harness cord screw, the lower abutting part is sleeved on the harness cord screw and positioned above the lower nut, the upper end of the harness cord screw upwards penetrates through the template and extends into the splicing seam, the lower nut rotates on the harness cord screw to control the lower abutting part to move up and down, so that the upper end of the lower abutting part abuts against the lower part of the template or is separated from the template, the upper abutting piece is connected to the upper end of the harness cord screw and abuts against the upper portion of the laminated slab.
The utility model has the advantages that: the utility model discloses an installation device is through last butt piece difference butt in superimposed sheet top and template below, and utilize the screw-thread fit of harness cord screw rod and lower part nut to control and adjust, make the hoist and mount that the template can be stable in the piece department of superimposed sheet, the superimposed sheet piece department of having solved utilizes traditional formwork system, the pole setting is unstable, easily cause the mould that rises, the defect of hourglass thick liquid, simple manufacture, save the cost, use simple and convenient, and is swift, compare in traditional formwork mode, the carpenter formwork efficiency has been showing and has been improved, after pouring the completion, pull down lower part nut and lower butt piece on the harness cord screw rod and, go up the butt piece and stay in the superimposed sheet, piece concrete shaping impression of piece department is of high quality after the form removal.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, go up the butt piece and include top reinforcing bar and upper portion nut, top reinforcing bar level sets up, its lower extreme pass through the connecting piece with the welding of upper portion nut to keep the nut screw thread, upper portion nut threaded connection be in the upper end of harness cord screw rod, the both ends of top reinforcing bar butt respectively are being located the piece both sides on the prefabricated plate of superimposed sheet the upper end of harness cord screw rod still overlaps and is equipped with the rubber circle, the rubber circle is located the upper portion nut with between the template.
The further proposal has the advantages that the upper butt piece can be fixedly connected to the upper end of the harness cord screw during construction, and is welded or screwed directly, thus after the construction is finished, the part poured into the upper end of the harness cord screw is directly broken, the rest part can be used next time and is welded or screwed with a new upper butt piece, but the harness cord screw is shorter and shorter, a new harness cord screw needs to be manufactured after the harness cord screw is used for several times, and other problems are easy to occur when the upper end of the harness cord screw is broken, so the utility model is preferable, the upper butt piece is detachably connected with the upper end of the harness cord screw, the mould can not be detached after the construction is finished, thus the mould can be fixed when the mould is hung, and after the construction is finished, the lower harness cord screw, the lower nut and the lower butt piece on the harness cord screw can be detached, the next time, the upper butt piece is remained in the laminated slab, so the form removal is convenient, the concrete forming appearance quality of the splicing seam is good, therefore, the design is needed not to influence the pouring, the structure which does not influence the normal use of the laminated slab is remained in the laminated slab, the detachable connection is also needed, the concrete structure of the upper butt piece meeting the requirements is feasible, the upper butt piece adopts the harness cord screw rod below the utility model, the upper nut threaded connection mode can be selected, in addition, the butt effect is considered, the upper reinforcing steel bar transversely arranged is adopted to span the splicing seam, both ends are butted on the prefabricated slab of the laminated slab, both ends are balanced in stress, the technical proposal is good, the manufacture and the realization are easy, and in order to prevent the concrete from solidifying the threaded connection position during the pouring, a rubber ring can be arranged on the harness cord screw rod between the upper nut and the template, the screw thread connecting part is isolated, so that the screw thread connecting part can not be contacted with concrete, the harness cord screw can be conveniently unscrewed when the mold is removed, and the rubber ring is remained in the laminated slab along with the upper abutting part.
Furthermore, the upper steel bars are perpendicular to the running direction of the splicing seams, the length of the upper steel bars is at least 60mm longer than the distance between the upper ends of the prefabricated plates of the laminated slab on the two sides of the splicing seams, and the parts, abutted against the prefabricated plates of the laminated slab, of the two ends of the upper steel bars are at least 30mm longer respectively.
The beneficial effect who adopts above-mentioned further scheme is that the both sides of top reinforcing bar should be relatively piece symmetry and perpendicular, just so can guarantee the force balance, and specifically according to the width of general superimposed sheet piece upper end, both ends reserve respectively that at least 30mm can realize better butt effect, and the case of reducing again will influence the butt effect, may cause the butt unstability, does not have the problem that the template that brings after the butt supports drops above-mentioned, and long again will increase meaningless cost and construction degree of difficulty, do not have necessity.
Further, the distance from the lower surface of the upper steel bar to the upper nut is 7-15mm smaller than the thickness of the prefabricated plate of the laminated slab.
The further scheme has the advantages that the distance from the lower surface of the upper steel bar to the upper nut is smaller than the thickness of the prefabricated plate of the laminated slab, which is necessary, only in the process that the upper nut is in threaded connection with the upper end of the harness cord screw after the harness cord screw penetrates through the template and extends into the abutted seam, the distance can be smaller than the thickness of the prefabricated plate by 7-15mm according to the construction requirement and the common size of the laminated slab, and preferably, the distance is most suitable for being 10 mm.
Furthermore, 14 # deformed steel bar is selected for the upper steel bar when the width of the abutted seam is smaller than 250mm, and 16 # deformed steel bar is selected for the upper steel bar when the width of the abutted seam is larger than or equal to 250 mm.
The beneficial effect who adopts above-mentioned further scheme is that the top reinforcing bar chooses for use the screw-thread steel more suitable, specifically selects which kind of model, can confirm according to the piece width, and the piece width is big more, and the span of explanation reinforcing bar is big more, and the part of middle unsettled atress is also long more, needs to select the great screw-thread steel that is the diameter of bearing capacity, guarantees to hang the effect of mould, can not appear the phenomenon that top reinforcing bar atress leads to whole installation device to become invalid from middle crooked.
Further, the lower abutting part comprises a wood beam and two steel pipes, the upper end of the wood beam abuts against the lower portion of the template or is separated from the template, the two steel pipes are horizontally arranged side by side and abut against the lower end of the wood beam, the harness cord screw penetrates through the two steel pipes, a mountain-shaped clamp is slidably sleeved on the harness cord screw between the lower nut and the two steel pipes, the lower nut abuts against the lower end of the mountain-shaped clamp, and the two steel pipes abut against the upper end of the mountain-shaped clamp in a sunken position.
The further proposal has the advantages that the lower abutting part is used for transferring the displacement in the vertical direction generated by the rotation of the lower nut to the template, if the lower nut is in direct contact with the template, no intermediate part exists, the contact area is too small, the template is difficult to support only by the upper surface of the lower nut, so the lower abutting part is arranged between the lower nut and the template, the abutting effect can be realized, the contact area can be increased or the abutting is facilitated by a corresponding adaptive structure, in particular to the utility model, wood purlins and two steel pipes are preferably used for staggered abutting, an additionally arranged mountain-shaped card just corresponds to the two steel pipes, thus when the lower nut is rotated, the steel pipes are supported by the depressions of the mountain-shaped card, the template is abutted by the wood purlins, the template can be tightly attached to the abutted seam between the superimposed plates, the abutting is firm, and the template can not be separated due to the weight of the poured concrete in the pouring process, the whole installation part is firm and reliable, and the defects of mold expansion and slurry leakage of the conventional upright support formwork are avoided.
Furthermore, the wood purlin is long-strip-shaped, the two wood purlin are arranged, the two wood purlin are correspondingly located on two sides of the harness cord screw rod respectively and are parallel to the running direction of the splicing seams, and the two steel pipes are perpendicular to the wood purlin.
The beneficial effect of adopting above-mentioned further scheme is that the steel pipe is perpendicular to the wooden purlin and is favorable to the stress balance, considers the gravity influence of concrete when putting together seam department and puts in place, need hold the template in both sides, this utilizes wooden purlin to realize, and the preferred is parallel with the seam trend, and the symmetrical support, the steel pipe that corresponds is preferred to be perpendicular with wooden purlin, and crisscross butt effect is better.
Furthermore, the lower end of the harness cord screw is fixedly connected with a horizontally arranged lower steel bar.
The beneficial effect of adopting above-mentioned further scheme is that the below reinforcing bar is equivalent to the rotatory handle of harness cord screw rod, and the rotation of being convenient for, after going up the butt piece and setting up the position, drives the harness cord screw rod with the below reinforcing bar and rotates, makes harness cord screw rod upper end be connected to last butt piece, and during the form removal, also drive harness cord screw rod antiport with the below reinforcing bar, pull down harness cord screw rod and the part of suit above-mentioned, goes up the butt piece and stays in the superimposed sheet.
Furthermore, a sealing sponge strip is arranged at the contact position of the template and the edge of the abutted seam.
The beneficial effect who adopts above-mentioned further scheme is that the condition of leaking thick liquid appears easily in template and piece edge contact department, and outside concrete that also is concreted flows the template from here easily, is unfavorable for the shaping quality of concrete, on the basis of the technical scheme of above-mentioned upper and lower butt, can also increase sealed sponge strip in the position that corresponds, the hourglass thick liquid of avoiding that can be better.
Furthermore, through holes are formed in the template at intervals of 800mm along the length direction of the template, and each through hole is provided with one template hanging fixing part.
The further scheme has the advantages that according to the general size of the laminated slab and the width of the splicing seams, considering that the splicing seams are usually very long, one mould hanging fixing piece can only ensure the hoisting of the template within a certain range, so that the mould hanging fixing pieces can be arranged at intervals of 400-800mm, and the optimal distance is 600 mm.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the concrete slab comprises a template, 2 parts of abutted seams, 3 parts of prefabricated plates, 4 parts of cast-in-place layers, 5 parts of upper reinforcing steel bars, 6 parts of upper nuts, 7 parts of harness cord screws, 8 parts of mountain-shaped clamps, 9 parts of lower nuts, 10 parts of lower reinforcing steel bars, 11 parts of wood purlin, 12 parts of steel pipes, 13 parts of rubber rings.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the utility model relates to a cast-in-place slab band suspended formwork installation device for laminated slabs, which is arranged at the position of a splicing seam 2 between two adjacent laminated slabs, and comprises a formwork 1 attached below the splicing seam 2 between two adjacent laminated slabs and a plurality of suspended formwork fixing parts used for supporting the formwork 1, wherein the suspended formwork fixing parts comprise a harness cord screw 7, a lower nut 9, a lower abutting part and an upper abutting part, the lower nut 9 is connected with the harness cord screw 7 in a threaded manner, the lower abutting part is sleeved on the harness cord screw 7 and positioned above the lower nut 9, the upper end of the harness cord screw 7 upwards passes through the formwork 1 and extends into the splicing seam 2, the lower nut 9 rotates on the harness cord screw 7 to control the lower abutting part to move up and down, so that the upper end of the lower abutting part abuts below the formwork 1 or is separated from the formwork 1, the upper abutting piece is connected to the upper end of the harness cord screw 7 and abuts against the upper side of the laminated slab.
The utility model discloses an installation device is butt respectively in superimposed sheet top and template 1 below through upper and lower butt piece, and utilize harness cord screw rod 7 and lower part nut 9's screw-thread fit to control and adjust, make the hoist and mount that template 1 can be stable in superimposed sheet's piece 2 departments, the problem of superimposed sheet piece 2 departments utilization tradition formwork system has been solved, the pole setting is unstable, easily cause the mould that rises, leak the defect of thick liquid, the preparation is simple, and the cost is saved, use simple and convenient, and is swift, compare in tradition formwork mode, the carpenter formwork efficiency has been showing and has been improved, after pouring the completion, pull down harness cord screw rod 7 and last lower part nut 9 and lower butt piece, go up the butt piece and stay in the superimposed sheet, the quality is good in the concrete shaping impression of template back piece 2 departments.
The harness cord screw 7 is a full-tooth screw, and the whole body of the harness cord screw is provided with screw teeth, namely the whole root of the screw is provided with teeth, so that the position of a nut can be adjusted at will.
During construction, the upper butt piece can be fixedly connected to the upper end of the harness cord screw 7 and welded or screwed directly, so that after the completion of pouring, the poured part of the upper end of the harness cord screw 7 is directly broken, the rest part can be used next time and is welded or screwed with a new upper butt piece, but the harness cord screw 7 is shorter and shorter, a new harness cord screw 7 needs to be manufactured after being used for several times, and other problems are easy to occur when the upper end of the harness cord screw 7 is broken, so that the upper butt piece is preferably arranged to be detachably connected with the upper end of the harness cord screw 7, the form removal is not influenced, the upper butt piece can be removed after the completion of pouring, the form 1 can be fixed when the form is hung, and after the completion of pouring, the lower harness cord screw 7 and the lower nut 9 and the lower butt piece on the harness cord screw 7 can be removed, the next time of continuous use, the upper butt piece is left in the laminated slab, so that the form removal is convenient, the concrete forming appearance quality at the seam 2 is good, therefore, the structure which does not influence the pouring is required to be designed, the structure which does not influence the normal use of the laminated slab is also left in the laminated slab, the detachable connection is also required, the concrete structure of the upper butt piece which meets the requirements is feasible, such as a buckle or a plug structure, and the like, and the lower part of the utility model adopts a harness screw 7, the upper nut 6 can be selected for screw connection, and the butt effect is also considered, the upper steel bar 5 which is transversely arranged is adopted to cross the seam 2, both ends are butted on the prefabricated slab 3 of the laminated slab, the stress at both ends is balanced, the better technical scheme is provided, the manufacturing and the realization are easy, and in order to prevent the concrete from solidifying the screw connection part during the pouring, can set up rubber circle 13 on harness cord screw rod 7 between upper nut 6 and template 1 to isolated threaded connection department makes it can not contact with the concrete, can be very convenient during form removal twist off harness cord screw rod 7 like this, and rubber circle 13 is stayed the superimposed sheet along with last butt piece together, because rubber circle 13 volume is less, can not pour the effect to the superimposed sheet and bring obvious change, the superimposed sheet after pouring can normal use. Specifically, go up the butt piece and include top reinforcing bar 5 and upper portion nut 6, 5 levels of top reinforcing bar set up, its lower extreme pass through the connecting piece with 6 welding of upper portion nut to keep the nut screw thread, 6 threaded connection of upper portion nut are in the upper end of harness cord screw rod 7, the both ends difference butt of top reinforcing bar 5 are being located 2 both sides of piece on the prefabricated plate 3 of superimposed sheet the upper end of harness cord screw rod 7 still overlaps and is equipped with rubber circle 13, rubber circle 13 is located upper portion nut 6 with between the template 1.
On the basis of the structure of the upper abutting piece, the upper reinforcing steel bar 5 is perpendicular to the running direction of the splicing seams 2, the length of the upper reinforcing steel bar is at least 60mm longer than the distance between the upper ends of the precast slabs 3 of the laminated slab on the two sides of the splicing seams 2, and the parts of the two ends of the upper reinforcing steel bar 5 abutting against the precast slabs 3 of the laminated slab are at least 30mm longer respectively. This is because the both sides of top reinforcing bar 5 should be relative splice 2 symmetry and perpendicular, just can guarantee like this that the atress is balanced, and specifically according to the width (the width of watering the district after the superimposed sheet) of general superimposed sheet splice 2 upper end, both ends leave respectively that at least 30mm can realize better butt effect, reduce again will influence the butt effect, probably cause the butt unstability, the above-mentioned template that does not have to bring after the butt supports problem that drops, and long again will increase meaningless cost and construction degree of difficulty, do not need.
In addition, the distance from the lower surface of the upper steel bar 5 to the upper nut 6 is 7-15mm smaller than the thickness of the precast slab 3 of the laminated slab. This is because the distance from the lower surface of the upper reinforcement 5 to the upper nut 6 is smaller than the thickness of the prefabricated panel 3 of the laminated slab, which is necessary only so that, after the lead screw 7 has been inserted through the formwork 1 into the butt seam 2, the upper nut 6, during the screwing onto the upper end of the lead screw 7, effects the abutment of the upper reinforcement 5 against the prefabricated panel 3 of the laminated slab, which is preferably smaller than 7-15mm, preferably 10mm, than the thickness of the prefabricated panel 3, depending on the construction requirements and the usual dimensions of the laminated slab.
The top reinforcing bar 5 chooses for use the screw-thread steel relatively suitable, specifically selects which kind of model, can confirm according to 2 width of piece together, and 2 width of piece together are big more, and the span of explanation reinforcing bar is big more, and the part of middle unsettled atress is also long more, need select the great screw-thread steel of diameter promptly of bearing capacity, guarantees the effect of hanging the mould, can not appear 5 atress of top reinforcing bar and bend the phenomenon that leads to whole installation device to become invalid from the centre. Specifically, according to the years of construction experience of the inventor and comparison of construction results of a large number of actual projects, it is finally determined that 14-gauge deformed steel bars are selected for the upper reinforcing steel bars 5 when the width of the abutted seam 2 is smaller than 250mm, and 16-gauge deformed steel bars are selected for the abutted seam 2 when the width of the abutted seam 2 is larger than or equal to 250 mm.
Top reinforcing bar 5 and upper portion nut 6's connection, can realize through the welding of connecting piece, concrete connection spare can be a vertical shorter reinforcing bar, the middle part welding of upper end and top reinforcing bar 5, the lower extreme welds the upper end of upper portion nut 6, just so can realize, in actual construction, in the firm consideration of welding, can be with the connecting piece design slightly complicated once, for example, have two vertical and shorter reinforcing bars, the upper end welds top reinforcing bar 5 respectively, the reinforcing bar that a level set up is welded earlier to the lower extreme, go to weld upper portion nut 6 with this reinforcing bar, can be more firm once like this. However, it should be noted that no matter what kind of connecting piece structure and welding method, the upper nut 6 needs to keep the nut screw thread to ensure that the upper end of the harness cord screw 7 can be connected with the upper nut 6 by screw thread.
The utility model discloses a lower butt piece's effect rotates lower part nut 9 and the displacement of the vertical direction that produces switches to on the template 1 board, if lower part nut 9 and template 1 direct contact, there is not the intermediate part, that area of contact undersize, it is difficult to support template 1 only to lean on the upper surface of lower part nut 9, so set up lower butt piece between lower part nut 9 and template 1, it is feasible to increase area of contact or have all that correspond adaptation structure help butt to play the butt effect, for example, some are dull and stereotyped that have certain length and width, pass in proper order by the harness cord screw rod, transmit power in proper order like this, like the inverted pyramid shape, but such technical scheme also has the atress unbalanced, the contact surface is less, unstable problem. Therefore, in the utility model discloses in, preferably, lower butt piece includes wooden purlin 11 and two steel pipes 12, wooden purlin 11 upper end butt is in the below of template 1 or with template 1 separation, two the steel pipe 12 level sets up side by side, and the butt is in wooden purlin 11 lower extreme, harness cord screw rod 7 follows two pass between the steel pipe 12, is located between lower part nut 9 and two the steel pipe 12 between the slip cap is equipped with mountain-shaped card 8 on harness cord screw rod 7, lower part nut 9 butt is in the lower extreme of mountain-shaped card 8, two steel pipe 12 butt is in the sunken department of mountain-shaped card 8 upper end. Such structure, utilize wooden tree in a column 11 and two steel pipes 12, crisscross butt, the mountain type card 8 of extra setting just in time corresponds two steel pipes 12, when rotatory lower part nut 9 like this, hold in the palm steel pipe 12 through the sunken of mountain type card 8, the template is lived to 11 butt of rethread wooden tree in a column, make template 1 can be tight the patchwork 2 departments of laminating between the superimposed sheet, the butt is firm, can not lead to template 1 to break away from because of the weight of concreting at the in-process of pouring, make whole installation component firm reliable, the mould that rises that has had now with pole setting support template 1 existence, the defect of leaking the thick liquid has also been avoided.
Specifically, the wood purlin 11 is a long strip, two wood purlin are provided, the two wood purlin are correspondingly located on two sides of the harness cord screw 7 respectively and are parallel to the running direction of the abutted seam 2, and the two steel pipes 12 are perpendicular to the wood purlin 11. The steel pipes 12 are perpendicular to the wood beam 11, stress balance is facilitated, the formwork 1 needs to be supported on two sides in consideration of the gravity influence of concrete when the abutted seam 2 is poured, the supporting is realized by the aid of the wood beam 11, the supporting is preferably parallel to the direction of the abutted seam 2 and is symmetrical, the corresponding steel pipes 12 are preferably perpendicular to the wood beam 11, and the staggered abutting effect is better. The wood purlin 11 can be very long, 40-50mm wide and 80-100mm high, a plurality of lifting die fixing pieces can share one wood purlin, two steel pipes 12 of each lifting die fixing piece abut against the lower parts of different positions of the wood purlin 11, for example, the two steel pipes are arranged at equal intervals, so that a final structure can be formed, namely, the template 1 is a very long flat plate structure with a certain width (the width is larger than the splicing seam 2) and is thinner, the very long or longer and spliced wood purlin 11 parallel to the direction of the splicing seam 2 is arranged below two sides of the template, and then a group of two steel pipes perpendicular to the direction of the splicing seam 2 support the wood purlin 11 at intervals below the wood purlin 11.
The mountain-type clip 8 is a material for building a cast fastening form, and is called a mountain-type clip because it is shaped like a mountain, and both ends and the middle part are protruded upward when viewed from the side, and the left and right parts in the middle are respectively depressed downward to form a shape similar to a mountain, and there are some structures that are not visible in the drawing because it is a front sectional view, so a rectangular structure is simply drawn, which should be understood according to the structure of the mountain-type clip generally in the art. The utility model discloses in, butt that two steel pipes 12 just in time correspond holds steel pipe 12 through mountain type card 12 like this in two depressed parts of mountain type card 8, lower part nut 9 and mountain type card middle part lower extreme butt because the size of mountain type card 12 itself is not big, and lower part nut 9 is higher rather than area of contact, and the butt is effectual.
The lower end of the harness cord screw 7 is fixedly connected with a horizontally arranged lower steel bar 10. The lower steel bar 10 is equivalent to a rotary handle of the harness cord screw 7 and is convenient to rotate, after the upper abutting part is placed, the lower steel bar 10 is used for driving the harness cord screw 7 to rotate, the upper end of the harness cord screw 7 is connected to the upper abutting part, when the mold is disassembled, the lower steel bar 10 is also used for driving the harness cord screw 7 to reversely rotate, the harness cord screw 7 and a part sleeved on the harness cord screw 7 are disassembled, and the upper abutting part is left in the laminated plate.
And a sealing sponge strip is arranged at the edge contact part of the template 1 and the edge of the abutted seam 2. Template 1 and 2 edge contact departments of piece together appear the condition of leaking thick liquid easily, and the concrete of also pouring flows to template 1 from here easily outside, is unfavorable for the shaping quality of concrete the utility model discloses on the above-mentioned technical scheme's of butt from top to bottom basis, can also increase sealed sponge strip in the position that corresponds, the thick liquid is leaked in the avoidance that can be better.
Through holes are formed in the template 1 at intervals of 800mm along the length direction of the template 1, and each through hole is provided with one template hanging fixing part. According to the general size of the laminated slab and the width of the seam 2, considering that the seam 2 is usually very long, one suspended mould fixing piece can only ensure the hoisting of the template within a certain range, so that the suspended mould fixing piece can be arranged at intervals of 400-800mm, preferably, the optimal distance is 600 mm.
The utility model discloses in, the relevant size of superimposed sheet can rationally be adjusted according to the needs of in-service use, for example in a concrete example, 3 thickness of superimposed sheet's prefabricated plate are 60mm, the cast-in-place layer 4 thickness of superimposed sheet is 70mm, the thickness of template 1 is 15 mm.
The utility model discloses an installation does:
(1) firstly, 14-grade or 16-grade deformed steel bars (the length of the steel bars is equal to the width of the post-cast area and is 100mm) are selected according to the width of the upper end of the splicing seam 2 of the laminated slab and are used as the upper steel bars 5 to be welded with the upper nuts 6 through connecting pieces, the screw threads of the upper nuts 6 are not damaged in the welding process, and the distance from the lower surfaces of the upper steel bars 5 to the upper nuts 6 is ensured to be less than 10mm of the thickness of the prefabricated slabs 3 of the laminated slab after the nuts are welded, for example, when the thickness of the prefabricated slabs 3 is 60mm, the distance from the lower surfaces of the upper steel bars 5 to the upper nuts 6 is 50 mm.
(2) The template 1 is pasted below the abutted seam 2 between two adjacent superimposed sheets, the template 1 completely covers the post-pouring area of the superimposed sheets, a through hole is formed in each 600mm of the template 1, a mountain-shaped clamp 8 and a lower nut 9 are sequentially sleeved on a harness cord screw 7, the harness cord screw 7 is inserted into the through hole from bottom to top, and a rubber ring 13 is sleeved on the top end of the harness cord screw 7.
(3) And two ends of an upper steel bar 5 are vertically erected on the precast slabs 3 of the laminated slab on two sides of the abutted seam 2 respectively.
(4) The lower steel bar 10 is used as a handle, and the harness cord screw 7 is rotated to enable the upper end of the harness cord screw to be in threaded connection with the upper nut 6.
(5) The method comprises the steps that a wood purlin 11 parallel to the direction of a splicing seam 2 and two steel pipes 12 perpendicular to the wood purlin 11 are sequentially arranged on the lower side of a template 1, the two steel pipes 12 are arranged in parallel, are respectively arranged on two sides of a harness cord screw 7 and above a mountain-shaped clamp 8, a lower nut 9 is rotated to enable the lower nut to move upwards, the two steel pipes 12 are upwards abutted through the mountain-shaped clamp 8, and the template is upwards abutted through the wood purlin 11, so that the template lifting step is completed.
(6) And (3) performing concrete pouring in the post-pouring area, after the pouring is finished and the concrete is solidified, performing a form removal step, reversely rotating the harness screw 7 by using the lower steel bar 10 as a handle to separate the upper end of the harness screw 7 from the upper nut 6, downwards taking down the harness screw 7 and the mountain-shaped clamp 8 and the lower nut 9 thereon, removing the two steel pipes 12, the wood beam 11 and the template 1, and leaving the rubber ring 13, the upper steel bar 5, the upper nut 6 and the connecting pieces therebetween in the laminated slab, wherein the formed concrete after the form removal has good appearance quality.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "nested," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A cast-in-place slab strip hanging die mounting device for laminated slabs is arranged at a spliced seam (2) between two adjacent laminated slabs and is characterized by comprising a template (1) attached to the lower portion of the spliced seam (2) between two adjacent laminated slabs and a plurality of hanging die fixing pieces used for abutting against the template (1), wherein each hanging die fixing piece comprises a harness cord screw (7), a lower nut (9), a lower abutting piece and an upper abutting piece, the lower nut (9) is in threaded connection with the harness cord screw (7), the lower abutting piece is sleeved on the harness cord screw (7) and is positioned above the lower nut (9), the upper end of the harness cord screw (7) upwards penetrates through the template (1) and extends into the spliced seam (2), and the lower nut (9) rotates on the harness cord screw (7) to control the lower abutting piece to move up and down, and enabling the upper end of the lower abutting piece to abut against the lower part of the template (1) or to be separated from the template (1), and enabling the upper abutting piece to be connected to the upper end of the harness cord screw (7) and abut against the upper part of the laminated slab.
2. The hanging die installation device for the laminated slab cast-in-place slab band according to claim 1, wherein the upper abutting piece comprises an upper steel bar (5) and an upper nut (6), the upper steel bar (5) is horizontally arranged, the lower end of the upper steel bar is welded with the upper nut (6) through a connecting piece, the nut screw thread is reserved, the upper nut (6) is in threaded connection with the upper end of the through-wire screw rod (7), two ends of the upper steel bar (5) abut against the prefabricated slab (3) of the laminated slab on two sides of the abutted seam (2) respectively, a rubber ring (13) is further sleeved on the upper end of the through-wire screw rod (7), and the rubber ring (13) is located between the upper nut (6) and the formwork (1).
3. The cast-in-place slab band hanging die installation device for the laminated slab as claimed in claim 2, wherein the upper steel bars (5) are perpendicular to the running direction of the abutted seam (2), the length of the upper steel bars is at least 60mm longer than the distance between the upper ends of the precast slabs (3) of the laminated slab on both sides of the abutted seam (2), and the length of the parts, abutted against the precast slabs (3) of the laminated slab, of the upper steel bars (5) is at least 30 mm.
4. A cast-in-place slab band hanging die mounting device for a laminated slab as claimed in claim 2, wherein the distance from the lower surface of the upper reinforcing steel bar (5) to the upper nut (6) is less than 7-15mm of the thickness of the precast slab (3) of the laminated slab.
5. The cast-in-place slab band hanging die installation device for the composite slab as claimed in claim 2, wherein the upper steel bars (5) are made of 14-type screw thread steel when the width of the abutted seam (2) is less than 250mm, and are made of 16-type screw thread steel when the width of the abutted seam (2) is greater than or equal to 250 mm.
6. The cast-in-place slab band hanging die mounting device for the composite slab as claimed in claim 1, wherein the lower abutting piece comprises a wood purlin (11) and two steel pipes (12), the upper end of the wood purlin (11) abuts against the lower portion of the formwork (1) or is separated from the formwork (1), the two steel pipes (12) are horizontally arranged side by side and abut against the lower end of the wood purlin (11), the harness cord screw (7) penetrates through the two steel pipes (12), a mountain-shaped clamp (8) is slidably sleeved on the harness cord screw (7) between the lower nut (9) and the two steel pipes (12), the lower nut (9) abuts against the lower end of the mountain-shaped clamp (8), and the two steel pipes (12) abut against the concave portion of the upper end of the mountain-shaped clamp (8).
7. The laminated slab cast-in-place slab band hanging die mounting device as claimed in claim 6, wherein the wood purlin (11) is long and provided with two corresponding to two sides of the harness cord screw (7) and parallel to the running direction of the abutted seam (2), and the two steel pipes (12) are perpendicular to the wood purlin (11).
8. A superimposed slab cast-in-place slab band suspended formwork installation device as claimed in any one of claims 1 to 7, wherein the lower end of the harness screw (7) is fixedly connected with a horizontally arranged lower steel bar (10).
9. A laminated slab cast-in-place slab band suspended formwork installation device as claimed in any one of claims 1 to 7, wherein a sealing sponge strip is arranged at the contact position of the formwork (1) and the edge of the abutted seam (2).
10. The composite slab cast-in-place slab band suspended formwork installation device as claimed in any one of claims 1 to 7, wherein through holes are formed in the formwork (1) at intervals of 400-800mm along the length direction of the formwork (1), and each through hole is provided with one suspended formwork fixing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544373.XU CN210918215U (en) | 2019-09-17 | 2019-09-17 | Cast-in-place slab band suspended formwork installation device for laminated slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544373.XU CN210918215U (en) | 2019-09-17 | 2019-09-17 | Cast-in-place slab band suspended formwork installation device for laminated slab |
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| CN210918215U true CN210918215U (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459272A (en) * | 2020-11-30 | 2021-03-09 | 中国一冶集团有限公司 | Device for preventing mortar leakage of assembly type external wall insulation board joints and use method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459272A (en) * | 2020-11-30 | 2021-03-09 | 中国一冶集团有限公司 | Device for preventing mortar leakage of assembly type external wall insulation board joints and use method thereof |
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