CN105113787A - Bare-concrete sawtooth-shaped closed type stair steel formwork device - Google Patents
Bare-concrete sawtooth-shaped closed type stair steel formwork device Download PDFInfo
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- CN105113787A CN105113787A CN201510601121.6A CN201510601121A CN105113787A CN 105113787 A CN105113787 A CN 105113787A CN 201510601121 A CN201510601121 A CN 201510601121A CN 105113787 A CN105113787 A CN 105113787A
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Abstract
The invention relates to a bare-concrete sawtooth-shaped closed type stair steel formwork device. The device is characterized in that the device is formed by connecting one side face of a stair bottom face steel formwork and one side face of a stepping steel formwork with an inner-wall steel formwork and an outer-wall steel formwork into a whole and connecting the other side face of the stair bottom face steel formwork and the side face of the stepping steel formwork with stair side formworks; the stair bottom face steel formwork is formed by connecting an upper inside corner formwork, a flat formwork and a lower inside corner formwork and connected with an upper stair beam outer formwork, a lower stair beam outer formwork and a stair beam bottom formwork through the upper inside corner formwork and the lower inside corner formwork. According to the device, due to the fact that the stair bottom formwork is formed by connecting three stair bottom formwork bodies, the stepping steel formwork adopts an integral structure, and therefore construction and assembly are convenient; joint accessories are assembled between two assembled steel formworks to connect two stair sections in a butt-joint mode, and therefore the device can be used as a straight moving and single flight stair device; a shell, a wall part, a beam middle platform part and a beam floor part are all unblocked, therefore, concrete can be successfully poured into an integral structure body for once, and the anti-shock effect is enhanced; the device is simple in structure and can save labor and cost and significantly improve the construction quality.
Description
Technical field
The present invention relates to a kind of construction implement, specifically a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device.
Background technology
Stair template construction one is to more complicated, large family expenses in the past maximum are that the spelling of faling apart of wooden template is constructed, but due to the complexity of construction, often quality can not be guaranteed, mark time a lot of of sideslip, do not reach the requirement of construction, the Construction defect of most stair needs to repair by finishing to cover; In order to solve this technical barrier, prior art also has and adopts aluminum alloy mould plate and GB steel form, but the assembled parts of these metal forms are too many, and take a lot of work very much, mark time uncovered many, be also will rely on manually to plaster, effect is also undesirable; Its just wall form of the large mould of all steel, after interior wall mould be waited to hang out, could assemble stair template, structural capacity is poor, wastes in a large number manually; For this reason, be badly in need of development one and can improve stair construction quality, and reduce the utility of labour cost.
Summary of the invention
The object of the present invention is to provide a kind of above-mentioned prior art shortcoming of overcoming, construction quality to be significantly improved, have simultaneously structure simple, easy to assembly, save artificial, cost-effective, and a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device that stair effective area is increased;
for achieving the above object, the technical solution adopted in the present invention is: this kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, comprise interior wall steel form, exterior wall steel form, floor steel form, angle steel footing, it is characterized in that: this device by vertical beam that 2-6 root is marked time by stair gradient arranged parallel, and have two both sides being placed in stair respectively, respectively by stair step spacing on the downside of 2-6 root marks time vertical beam, cut into right-angled triangle indentation hypotenuse equally spacedly, vertical beam right-angled triangle zigzag hypotenuse of marking time two right-angle sides respectively vertical welding steel plate form and to mark time steel form, the external surface of steel form of marking time also is provided with several perpendicular rib and several assembly hole and several through hole nut,
vertical beam one side of marking time is smooth plane, limit rib is provided with above opposite side, and below welded mark time step surface and limit rib between be provided with several cross rib, two of set limit rib above vertical beam opposite side of marking time is connected with two horizontal edge rib of marking time and is integrally formed, smooth plane is arranged on lateral surface by two vertical beams of marking time respectively that be placed in stair both sides, wherein near a vertical beam of marking time of interior wall steel form side, side is provided with to pulling eye, pass through sleeve plug, sleeve pipe Screw arbor with nut at both-ends is connected with exterior wall steel form connector, be connected with assembly hole connector set on the limit rib of interior wall steel form by assembling elongated hole set on the rib of limit above, another root fitted over outside stair vertical beam of marking time is provided with a row assembly hole on side, be connected with the upper row's assembly hole connector set by stair side template, stair side template is connected with assembly hole connector set on stair soffit steel form one side rib by set lower row's assembly hole, the internal-rib that another side rib of stair soffit steel form is other, by set assembly hole, is connected with the assembly hole corner connector on the limit rib of interior wall steel form, at two of stair side template respectively by set assembling screw, assemble screw with the junction plate be fixed on stair stringer bed die and be connected by Bolted angle connection hole connector,
in stair soffit steel form, left side of face is longitudinally provided with stair soffit water proof line of rabbet joint material; Marking time, left side of face in steel form is longitudinally provided with water proof line of rabbet joint material of marking time; Each horizontal stand terrace of steel form of marking time is respectively equipped with screw plate; The lateral surface of steel form of marking time is provided with several through hole nut marking time in square position;
Mark time steel form and on mark time vertical beam and stair soffit steel form, arrange Screw arbor with nut at both-ends built-in fitting, both sides' pipe back cord, packing ring, nut stationary positioned by the 2-4 settled;
Stair soffit steel form is connected to form by upper inner corner trim mould, flat-die, lower inner corner trim mould; Upper inner corner trim mould top is set to horizontal, and upper inner corner trim mould top is corresponding with upper flight stair beam bottom board, and the bottom of upper inner corner trim mould is parallel with stair gradient; Flat-die and upper inner corner trim mould, lower inner corner trim mould are rectangle with wide; Lower inner corner trim mould top is parallel with stair gradient, and the following of lower inner corner trim mould is set to vertical configuration; Upper inner corner trim mould, flat-die, lower inner corner trim mould and concrete surface are respectively smooth plane, another side surrounding is provided with limit rib, form the frame closed, limit rib is provided with assembly hole, in the rib of limit, be provided with symmetrical perpendicular rib, cross rib, assembly hole and through hole nut, be provided with installing hole near the other internal-rib of dual-side rib;
Bottom stair stringer bed die is by the assembly hole of a side rib and the bottom assembly hole of lower inner corner trim mould following vertical plane fitting over lower bench, and with connector assembling, lower inner corner trim mould is furnished with built-in fitting on the top of its vertical plane respectively by set several pre-buried piece bores; Stair stringer bed die is assembled by the assembly hole of another side rib and bottom stair stringer external mold medial surface assembly hole connector, and the assembly hole of stair stringer outer mold top limit, bottom rib and the assembly hole of bottom floor steel form internal-rib are assembled by corner connector connector; By first placing of concrete on the lower inner corner trim mould bottom after assembling, bottom stair stringer bed die, bottom stair stringer external mold and bottom floor steel form assembly, after concrete setting, again by the assembly hole on lower inner corner trim mould in front on rib, be connected with the assembly hole under flat-die in front on rib with connector, assembly hole on flat-die in front on rib, is connected with the assembly hole under upper inner corner trim mould in front on rib with connector; Upper inner corner trim mould upper end vertical plane is by assembly hole set on the rib of limit, be connected with assembly hole connector set by the medial surface of middle part stair stringer external mold, the end face assembly hole of middle part stair stringer external mold is connected with rib holes connector in the side of middle part floor steel form by corner connector, becomes landing;
The mark time lower surface of steel form of lower bench fits over and to water and above the concrete solidified; To mark time the top of steel form, be fixed on interior wall steel form, exterior wall steel form and stair side template respectively by connector by the assembly hole of mark time vertical beam limit rib and the side top of steel form two sides of marking time, the uncovered shape of upper interruption-forming of the steel form cavity that makes to mark time;
The corner that layer landing is connected therewith upwards goes up flight stair punching block, except built-in fitting is not installed, all the other are the same with lower bench, at the opposite side of middle part floor steel form, middle part stair stringer external mold, install stair stringer bed die, lower inner corner trim mould and all stair templates simultaneously;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, it is characterized in that: described Screw arbor with nut at both-ends built-in fitting, in the inner chamber by containing at mark time steel form and stair soffit steel form, settle 1-5 row, often arrange 2-5 Screw arbor with nut at both-ends built-in fitting, each Screw arbor with nut at both-ends built-in fitting comprises a screw rod, two cone barrel nuts, two bolts, two of screw rod are provided with screw thread, and two are provided with the end of thread and fit in the center screw of the little head end of two cone barrel nuts respectively, one of two bolts is respectively equipped with screw thread, and other end is respectively equipped with turret head, and two bolts establish threaded one to be assigned in the center screw of cone barrel nut stub end respectively, the screw rod that two cone barrel nuts and center screw are joined, be assigned in the cavity of placing of concrete, and make two to bore the big end surface of barrel nuts to be close to below the top, right-angled triangle angle of marking time in steel form and on stair soffit steel form inner face respectively, on the cone barrel nut corresponding to top, steel form triangle angle and stair soffit steel form of marking time, through hole is set, and correspondence mixes one end of bolt in two set through holes, join with screw rod two ends after through hole is stretched in one end of two bolts and bore barrel nut stub end and be connected respectively, the other end of two bolts is each passed through mark time steel form and stair soffit steel form, and by both sides' pipe back cord and connector stationary positioned thereof,
Described built-in fitting, comprises cone barrel nut, 7 font screw rods, bolt; In hook shape, other end is provided with screw thread to of 7 font screw rods, and 7 font screw rods establish threaded one to fit in the center screw of the little head end of cone barrel nut; One of bolt is provided with screw thread, and other end is provided with turret head, and bolt establishes threaded one to be assigned in the center screw of cone barrel nut stub end; The 7 font screw rods that cone barrel nut and center screw are joined, be assigned in the cavity of placing of concrete, and make the big end surface of cone barrel nut be close to the following vertical plane panel of lower inner corner trim mould, bolt other end is by pre-buried piece bores set by lower inner corner trim mould following vertical plane, stretch out the following vertical plane lateral surface at lower inner corner trim mould, and by mixing plain cushion in the shank of bolt section of stretching out of lower inner corner trim mould following vertical plane lateral surface, by cone barrel nut and on 7 font screw rods be tightened on the vertical plane of lower inner corner trim mould following;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, it is characterized in that: junction plate is provided with base, right angle, junction plate is provided with five connecting holes, and wherein four screws are distributed in top, and another hole is located at the central lower of plate; The base, right angle of junction plate fits over the rib bottom surface, limit of stair stringer bed die, and be connected and fixed by the connecting hole of junction plate central lower and stair stringer bed die limit rib assembly hole connector, four, junction plate top screw, by being longitudinally divided into two groups, often organizing upper and lower two screws and being connected to a fixed by Bolted angle connection hole connector respectively with close to assembling screw set on the stair side template of side;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, it is characterized in that: water proof line of rabbet joint material of marking time, stair soffit water proof line of rabbet joint material adopt cross section to be trapezoidal wire rod, the wide face of trapezoidal wire rod is affixed on punching block inner face, joined steel form is provided with connecting hole, water proof line of rabbet joint material of marking time, stair soffit water proof line of rabbet joint material are provided with screw, by connector, water proof line of rabbet joint material of marking time, stair soffit water proof line of rabbet joint material are fixed on the inner face of punching block;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, is characterized in that: screw plate is fillet rectangle steel plate, by the vertical plane solid welding connector of marking time, screw plate is fixed on steel form level of marking time and marks time on vertical plane limit; Screw plate is provided with a two rows bolt installation screw, the horizontal step surface of steel form of marking time that a two rows screw is corresponding is provided with corresponding through hole;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, is characterized in that: stair side template is tabular, and two rows assembly hole set on stair side template is elongated hole; And on stair side template, be provided with array embedded nut handrail connecting screw hole, often organizing embedded nut handrail connecting screw hole is 1-5, and stair side template two is respectively equipped with several assembling screw;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, is characterized in that: stair soffit steel form, steel form of marking time longitudinally are provided with the connection stair soffit water proof line of rabbet joint material longitudinally identical with left side, the prepared hole of water proof line of rabbet joint material of marking time on right side; Fit over the vertical beam of marking time of the steel form left and right sides of marking time, above, limit rib is equipped with identical several assembly and connection elongated holes, lateral surface is equipped with same to pulling eye and a row assembly hole; The other internal-rib of stair soffit steel form dual-side rib is equipped with same assembly hole;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, is characterized in that: described sleeve plug, comprises a cylinder type hollow pipe, two hollow cone cylinders; The little head end of two hollow cone cylinders matches with the centre bore at cylinder type hollow pipe two respectively;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, it is characterized in that: corner connector is unequal angle shape, the length of its minor face is less than or equal to the height of internal-rib, and the width of minor face is about 2 times of the length of minor face; Long edge lengths is about 2 times of bond length, and the width on long limit is less than or equal to the width of limit rib; Corner connector minor face wide go out vertical plane on be provided with connecting hole, on the horizontal plane on the long limit of corner connector, be provided with the elongated hole be convenient to be connected with limit rib holes and regulated;
Described a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, is characterized in that: both sides' pipe back cord, is to form groove by being furnished with spacer block between two square steel pipes, and set groove facilitates screw rod to pass.
The present invention's beneficial effect compared with prior art:
(1), simple and convenient assembly; Stair bed die due to this device adopts and is connected to form by upper inner corner trim mould, flat-die, lower inner corner trim mould, steel form of marking time adopts overall structure, constructability and assembling, after this device erection procedure completes, its housing and body of wall position, beam body halfpace position, beam body floor part are all unimpeded, be convenient to once-pouring of concrete success, become a complete structure, enhance anti seismic efficiency;
(2), structure is simple, and assembling saves time; This device only has 2 large parts, 13 smallclothes, when skilled operation, can save a large amount of artificial, also save material and expense, shorten the duration of a project; The energy-conserving and environment-protective of this device, are applicable to the development of national housing industrialization;
(3) the stair effective area, built up increases; Lin Kong position, stair step side, this device, owing to being provided with embedded nut handrail connecting screw hole, taking full advantage of and faces sky position installation handrail, can vacate like this and install balustrade width, make stairway width increase about 100mm, can show its construction level again;
(4), punching block highly versatile; This device, owing to having set up identical prepared hole at stair bed die, the opposite side that punching block is installing water proof line of rabbet joint material of marking time, therefore, facilitates assembling and uses, improve operating efficiency, further increase the utilization rate of punching block simultaneously;
(5), punching block is by force functional; This device due to join that water proof line of rabbet joint material and anti-slip tank wire rod installation position adopt can detaching structure, therefore, expand the scope of application of this punching block further, make the water proof line of rabbet joint material that is equipped with and anti-slip tank wire rod can adapt to the demand of various structure.
Accompanying drawing illustrates:
Fig. 1 is sectional drawing of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is A-A direction view in Fig. 2;
Fig. 4 is B-B direction view in Fig. 2;
Fig. 5 is the front view of stair side template;
Fig. 6 is craspedodrome straight stair punching block sectional view;
Fig. 7 is the front view of upper inner corner trim mould;
Fig. 8 is the right view of Fig. 7;
Fig. 9 is the front view of flat-die;
Figure 10 is the front view of lower inner corner trim mould;
Figure 11 is the right view of Figure 10;
Figure 12 is the front view of junction plate;
Figure 13 is that two bench are marked time punching block joint fitting;
Figure 14 is two bench side template joint fittings;
Figure 15 is the front view of corner connector;
Figure 16 is the right view of Figure 15;
Figure 17 is the top view of Figure 15;
Figure 18 is the front view of both sides' pipe back cord;
Figure 19 is the right view of Figure 18;
In figure:
1. stair stringer bed die, 2. stair stringer external mold, 3. floor steel form, 4. angle steel footing, 5. interior wall steel form, 6. to mark time steel form, 7. concrete, 8. go up inner corner trim mould, 9. flat-die, 10-1. marks time water proof line of rabbet joint material, 10-2. stair soffit water proof line of rabbet joint material, 11. corner connectors, 12. both sides' pipe back cords, 15. Screw arbor with nut at both-ends built-in fittings, 16. times inner corner trim moulds, 17. built-in fittings, 18. exterior wall steel forms, 19. stair side templates, 20. junction plates, 21. bolt mounting holes, 22. mark time vertical beam, 23. perpendicular ribs, 24. through hole nuts, 25. pairs of pulling eyes, 26. screw plates, 27. sleeve pipe Screw arbor with nut at both-ends, 28. cross ribs, 29. limit ribs, 30. handrail connecting screw holes, 31. assembly holes, 32. sleeve plugs, 33. pre-buried piece bores, 34. bed die connecting holes, 35. screws, 36. side form joint fittings, 37. mark time joint fitting.
Detailed description of the invention:
In order to further illustrate above-mentioned purpose of the present invention, technical scheme and effect, by the following examples by reference to the accompanying drawings and related known technological know-how the present invention is described:
as shown in Fig. 1-5,7-12, this kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device, comprises interior wall steel form 5, exterior wall steel form 18, floor steel form 3, angle steel footing 4; This device by vertical beam 22 that 2-6 root is marked time by stair gradient arranged parallel, and have two both sides being placed in stair respectively, respectively by stair step spacing on the downside of 2-6 root marks time vertical beam 22, cut into right-angled triangle indentation hypotenuse equally spacedly, vertical beam 22 right-angled triangle zigzag hypotenuse of marking time two right-angle sides respectively vertical welding steel plate form and to mark time steel form 6; The external surface of steel form 6 of marking time also is provided with several perpendicular rib 23 and several assembly hole 31 and several through hole nut 24, and described through hole nut 24 i.e. solid welding nut on the through hole set by template, for the dismounting of template;
vertical beam 22 1 side of marking time is smooth plane, limit rib 29 is provided with above opposite side, and below welded mark time step surface and limit rib 29 between be provided with several cross rib 28, two of set limit rib 29 above vertical beam 22 opposite side of marking time is connected with two horizontal edge rib 29 of marking time and is integrally formed, smooth plane is arranged on lateral surface by two vertical beams 22 of marking time respectively that be placed in stair both sides, wherein near a vertical beam 22 of marking time of interior wall steel form 5 side, side is provided with to pulling eye 25, by sleeve plug 32, sleeve pipe Screw arbor with nut at both-ends 27 is connected with connector with exterior wall steel form 18, be connected with assembly hole connector set on the limit rib 29 of interior wall steel form 5 by assembling elongated hole set on limit rib 29 above, another root fitted over outside stair vertical beam 22 of marking time is provided with a row assembly hole on side, be connected with the upper row's assembly hole connector set by stair side template 19, stair side template 19 is connected with assembly hole connector set on stair soffit steel form one side rib 29 by set lower row's assembly hole, the internal-rib that another side rib 29 of stair soffit steel form is other, by set assembly hole, is connected with the assembly hole corner connector 11 on the limit rib 29 of interior wall steel form 5, at two of stair side template 19 respectively by set assembling screw 35, assemble screw 35 with the junction plate 20 be fixed on stair stringer bed die 1 and be connected by Bolted angle connection hole connector,
in stair soffit steel form, left side of face is longitudinally provided with stair soffit water proof line of rabbet joint material 10-2; Marking time, left side of face in steel form 6 is longitudinally provided with the water proof line of rabbet joint material 10-1 that marks time; Each horizontal stand terrace of steel form 6 of marking time is respectively equipped with screw plate 26; The lateral surface of steel form 6 of marking time is provided with several through hole nut 24 marking time in square position;
Mark time steel form 6 and on mark time vertical beam 22 and stair soffit steel form, arrange Screw arbor with nut at both-ends built-in fitting 15, both sides' pipe back cord 12, packing ring, nut stationary positioned by the 2-4 settled;
Stair soffit steel form is connected to form by upper inner corner trim mould 8, flat-die 9, lower inner corner trim mould 16; Upper inner corner trim mould 8 top is set to horizontal, and upper inner corner trim mould 8 top is corresponding with upper flight stair beam bottom board 1, and the bottom of upper inner corner trim mould is parallel with stair gradient; Flat-die 9 and upper inner corner trim mould 8, lower inner corner trim mould 16 are rectangle with wide; Lower inner corner trim mould 16 top is parallel with stair gradient, and the following of lower inner corner trim mould 16 is set to vertical configuration; Upper inner corner trim mould 8, flat-die 9, lower inner corner trim mould 16 are respectively smooth plane with concrete surface, another side surrounding is provided with limit rib 29, form the frame closed, limit rib 29 is provided with assembly hole 31, in limit rib 29, be provided with symmetrical perpendicular rib 23, cross rib 28, assembly hole 31 and through hole nut 24, be provided with installing hole near the other internal-rib of dual-side rib;
Bottom stair stringer bed die 1 is by the assembly hole of a side rib 29 31 and the bottom assembly hole 31 of lower inner corner trim mould 16 following vertical plane fitting over lower bench, with connector assembling, lower inner corner trim mould 16 is furnished with built-in fitting 17 on the top of its vertical plane respectively by set several pre-buried piece bores 33; Stair stringer bed die 1 is assembled with connector with bottom stair stringer external mold 2 medial surface assembly hole 31 by the assembly hole 31 of another side rib 29, and the assembly hole 31 of bottom stair stringer external mold 2 top sides rib 29 is assembled with connector by corner connector 11 with the assembly hole 31 of bottom floor steel form 3 internal-rib; By first placing of concrete 7 on lower inner corner trim mould 16 bottom after assembling, bottom stair stringer bed die 1, bottom stair stringer external mold 2 and bottom floor steel form 3 assembly, after concrete seven solidifies, again by the assembly hole 31 on lower inner corner trim mould 16 in front on rib 29, be connected with the assembly hole 31 on connector and flat-die 9 times in front rib 29, assembly hole 31 on flat-die 9 in front on rib 29, is connected with the assembly hole 31 on connector and upper inner corner trim mould 8 times in front rib 29; Upper inner corner trim mould 8 upper end vertical plane is by assembly hole 31 set on limit rib 29, be connected with connector with assembly hole 31 set by the medial surface of middle part stair stringer external mold 2, the end face assembly hole 31 of middle part stair stringer external mold 2 is connected with rib holes connector in the side of middle part floor steel form 3 by corner connector 11, becomes landing;
The mark time lower surface of steel form 6 of lower bench fits over and to water and above the concrete seven solidified; To mark time the top of steel form 6, be fixed on interior wall steel form 5, exterior wall steel form 18 and stair side template 19 respectively by connector by the assembly hole of mark time vertical beam 22 limit rib 29 and the side top of steel form 6 two sides of marking time, the uncovered shape of upper interruption-forming of steel form 6 cavity that makes to mark time; This device make to mark time steel form 6 housing cavity and body of wall inner chamber, beam body halfpace position is all unimpeded;
The corner that layer landing is connected therewith upwards goes up flight stair punching block, except built-in fitting 17 is not installed, all the other are the same with lower bench, at the opposite side of middle part floor steel form 3, middle part stair stringer external mold 2, install stair stringer bed die 1, lower inner corner trim mould 16 and all stair templates simultaneously;
As Figure 1 and Figure 4, described Screw arbor with nut at both-ends built-in fitting 15, in the inner chamber by containing at mark time steel form 6 and stair soffit steel form, settle 1-5 row, often arrange 2-5 Screw arbor with nut at both-ends built-in fitting 15, each Screw arbor with nut at both-ends built-in fitting 15 comprises a screw rod, two cone barrel nuts, two bolts, two of screw rod are provided with screw thread, and two are provided with the end of thread and fit in the center screw of the little head end of two cone barrel nuts respectively, one of two bolts is respectively equipped with screw thread, and other end is respectively equipped with turret head, and two bolts establish threaded one to be assigned in the center screw of cone barrel nut stub end respectively, the screw rod that two cone barrel nuts and center screw are joined, be assigned in the cavity of placing of concrete, and make two to bore the big end surface of barrel nuts to be close to below the top, right-angled triangle angle of marking time in steel form 6 and on stair soffit steel form inner face respectively, on the cone barrel nut corresponding to top, steel form 6 triangle angle and stair soffit steel form of marking time, through hole is set, and correspondence mixes one end of bolt in two set through holes, join with screw rod two ends after through hole is stretched in one end of two bolts and bore barrel nut stub end and be connected respectively, the other end of two bolts is each passed through mark time steel form 6 and stair soffit steel form, and by both sides' pipe back cord 12 and connector stationary positioned thereof,
As shown in Figure 1, built-in fitting 17 comprises cone barrel nut, 7 font screw rods, bolt; In hook shape, other end is provided with screw thread to of 7 font screw rods, and 7 font screw rods establish threaded one to fit in the center screw of the little head end of cone barrel nut; One of bolt is provided with screw thread, and other end is provided with turret head, and bolt establishes threaded one to be assigned in the center screw of cone barrel nut stub end; The 7 font screw rods that cone barrel nut and center screw are joined, be assigned in the cavity of placing of concrete, and make the big end surface of cone barrel nut be close to the following vertical plane panel of lower inner corner trim mould 16, bolt other end is by pre-buried piece bores 33 set by the following vertical plane of lower inner corner trim mould 16, stretch out the following vertical plane lateral surface at lower inner corner trim mould 16, and by mixing plain cushion in the shank of bolt section of stretching out of lower inner corner trim mould 16 following vertical plane lateral surface, by cone barrel nut and on 7 font screw rods be tightened on the vertical plane of lower inner corner trim mould 16 following;
As shown in Figure 12, Fig. 5, junction plate 20 is provided with base, right angle, and junction plate 20 is provided with five connecting holes, and wherein four screws 35 are distributed in top, and another hole is located at the central lower of plate; The base, right angle of junction plate 20 fits over limit rib 29 bottom surface of stair stringer bed die 1, and be connected and fixed by the limit rib 29 assembly hole connector of junction plate 20 central lower bed die connecting hole 34 with stair stringer bed die 1, four, junction plate 20 top screw 35, by being longitudinally divided into two groups, often organizing upper and lower two screws 35 and being connected to a fixed by Bolted angle connection hole connector respectively with close to assembling screw 35 set on the stair side template 19 of side;
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 8-11, mark time water proof line of rabbet joint material 10-1, stair soffit water proof line of rabbet joint material 10-2 be adopt cross section be trapezoidal wire rod, the wide face of trapezoidal wire rod is affixed on punching block inner face, joined steel form is provided with connecting hole, the water proof line of rabbet joint material 10-1 that marks time, stair soffit water proof line of rabbet joint material 10-2 are provided with screw, by connector, the water proof line of rabbet joint material 10-1 that marks time, stair soffit water proof line of rabbet joint material 10-2 are fixed on the inner face of punching block; The water proof line of rabbet joint material of this device adopts energy detaching structure, according to user's request, being convenient to exchange or remove, can adopting the shutoff of plastics stopple if do not needed connecting hole;
As shown in Fig. 1-2, Fig. 4, the shoe of marking time of marking time on steel form 6, screw plate 26, in fillet rectangle steel plate, by the vertical plane solid welding connector of marking time, is fixed on steel form 6 level of marking time and marks time on vertical plane limit by the screw plate 26 of employing; Screw plate 26 is provided with a two rows bolt installation screw 21, the horizontal step surface of steel form 6 of marking time that a two rows screw is corresponding is provided with corresponding through hole; The anti-slip tank wire rod of marking time of this device also uses energy detaching structure, and first, this screw plate 26 can be dismantled, and can, according to user's request, be convenient to exchange or remove; Secondly, be convenient to install dissimilar Skidproof accessary, mark time as needs are directly equipped with anti-slip tank, the inner face of just marking time in steel form 6 level of marking time is equipped with anti-slip tank wire rod, and anti-slip tank wire rod arranges screw, is connected and fixed by connector and hole of marking time; As needs other accessories equipped on level is marked time, screw need be preset with, by mixing bolt in the screw of screw plate 26, after concrete eight hours to be filled, then bolt be back-outed, can realize presetting screw on level is marked time;
As shown in Figure 5, stair side template 19 is in tabular, and two rows assembly hole set on stair side template 19 is elongated hole; And on stair side template 19, be provided with array embedded nut handrail connecting screw hole 30, often organizing embedded nut handrail connecting screw hole 30 is 3, and stair side template 19 two is respectively equipped with several assembling screw 35; Stair side template 19 is set to tabular, and one is facilitate left-right universal, and two is simplify manufacturing process;
As shown in Fig. 8-11, Fig. 2, stair soffit steel form, steel form 6 of marking time longitudinally are provided with the connection stair soffit water proof line of rabbet joint material 10-2 longitudinally identical with left side, the prepared hole of the water proof line of rabbet joint material 10-1 that marks time on right side, the set prepared hole not used time, adopt the shutoff of plastics stopple, be provided with same prepared hole can increase work efficiency, add the versatility of punching block; As in Figure 2-4, fit over the vertical beam 22 of marking time of steel form 6 left and right sides of marking time, above, limit rib 29 is equipped with identical several assembly and connection elongated holes, lateral surface is equipped with same to pulling eye 25 and a row assembly hole; The internal-rib that stair soffit steel form dual-side rib 29 is other, is equipped with corresponding assembly hole; Can make to fit over steel form about 6 two vertical beams 22 of marking time of marking time and use mutually like this, the structure punching blocks such as stair template not only upper and lower bench is general, the inner, external wall that also can design with the left side are general, facilitate assembling and use, improve operating efficiency, further increase the utilization rate of punching block simultaneously;
Described sleeve plug 32, comprises a cylinder type hollow pipe, two hollow cone cylinders; The little head end of two hollow cone cylinders matches with the centre bore at cylinder type hollow pipe two respectively; When having watered concrete form removal, sleeve pipe Screw arbor with nut at both-ends 27 has taken out from sleeve plug 32, and cylinder type hollow pipe is stayed in concrete, is taken out by two hollow cone cylinders, and with concrete, concave surface is floating;
As seen in figs. 15-17, corner connector 11 is in unequal angle shape, and the length of its minor face is less than or equal to the height of internal-rib, and the width of minor face is about 2 times of the length of minor face; Long edge lengths is about 2 times of bond length, and the width on long limit is less than or equal to the width of limit rib; Corner connector 11 minor face wide go out vertical plane on be provided with connecting hole, on the horizontal plane on the long limit of corner connector 11, be provided with the elongated hole be convenient to be connected with limit rib holes and regulated;
As depicted in figs. 18-19, both sides' pipe back cord 12, be form groove by being furnished with spacer block between two square steel pipes, set groove facilitates screw rod to pass;
Above-mentioned stairway steel formwork is for two race stair device, this device also has another kind of embodiment, as shown in Fig. 6, Figure 13, Figure 14, namely on the vertical beam 22 top horizontal edge rib 29 of marking time of the steel form 6 of marking time of this device and on vertical beam 22 following vertical edges rib 29 of marking time, be respectively equipped with assembly hole, two flight stair are connected by assembly hole and joint fitting 37 of marking time; A single flight docking flat-die 9 separately joined by bottom surface steel form; Stair side template 19 mixes side form joint fitting 36, and this device can be used for straight stair device of keeping straight on again;
If this device faces sky for two race stair, craspedodrome straight stair both sides, with regard to the stair side template 19 that polygamy side is identical, because stair side template 19 left and right side is provided with the assembly hole of identical symmetry, can direct-assembling; If two race stair, craspedodrome straight stair both sides need be assembled with body of wall, just remove the stair side template 19 of both sides, stairway steel formwork left and right side has the assembly hole of identical symmetry, also can directly and body of wall assemble;
This device structural body can use steel manufacture, also can use aluminium alloys, plastic material manufacture;
Construction method
The lower body of wall of halfpace beam body and stair bed die is first installed, upper beam body steel form, use survey tool specification, stair bed die and underbeam body are installed again, underbeam body is as just first removed the lower inner corner trim mould 16 of bed die in Stall underground inconvenience, after stair bed die installs, wall form is installed, then the reinforcing steel bar cage tied is put into stair bed die to get on, be integrally formed with the reinforcing steel bar cage of body of wall, steel form 6 of marking time is lifted again with tower crane, at stair bed die with mark time between steel form 6 and install Screw arbor with nut at both-ends built-in fitting 15, adjust size, stair side template 19 is installed, then, adjust specification again,
The part do not explained in the present invention, is prior art or namely can be realized by prior art, not belonging to protection scope of the present invention; And described in the present invention, concrete case study on implementation is only better case study on implementation of the present invention, is not used for limiting practical range of the present invention; Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, all should as technology category of the present invention.
Claims (10)
1. a clear-water concrete sawtooth pattern enclosed type staircase steel form device, comprise interior wall steel form (5), exterior wall steel form (18), floor steel form (3), angle steel footing (4), it is characterized in that: this device by vertical beam (22) that 2-6 root is marked time by stair gradient arranged parallel, and have two both sides being placed in stair respectively, mark time vertical beam (22) downside respectively by stair step spacing at 2-6 root, cut into right-angled triangle indentation hypotenuse equally spacedly, vertical beam of marking time (22) right-angled triangle zigzag hypotenuse two right-angle sides respectively vertical welding steel plate form and to mark time steel form (6), the external surface of steel form of marking time (6) is also provided with several perpendicular ribs (23) and several assembly hole (31) and several through hole nut (24),
Vertical beam (22) one side of marking time is smooth plane, limit rib (29) is provided with above opposite side, and below welded mark time step surface and limit rib (29) between be provided with several cross rib (28), two on set limit rib (29) above vertical beam (22) opposite side of marking time is connected with two horizontal edge rib (29) of marking time and is integrally formed, smooth plane is arranged on lateral surface by two vertical beams of marking time (22) respectively that be placed in stair both sides, wherein near a vertical beam of marking time (22) of interior wall steel form (5) side, side is provided with to pulling eye (25), by sleeve plug (32), sleeve pipe Screw arbor with nut at both-ends (27) is connected with connector with exterior wall steel form (18), be connected with the upper set assembly hole connector of the limit rib (29) of interior wall steel form (5) by the upper set assembling elongated hole of limit rib (29) above, another root fitted over outside stair vertical beam (22) of marking time is provided with a row assembly hole on side, be connected with the upper row's assembly hole connector set by stair side template (19), stair side template (19) is connected by the upper set assembly hole connector of set lower row's assembly hole and stair soffit steel form one side rib (29), the internal-rib that another side rib (29) of stair soffit steel form is other, by set assembly hole, is connected with the assembly hole corner connector (11) on the limit rib (29) of interior wall steel form (5), at two of stair side template (19) respectively by set assembling screw (35), assemble screw (35) with the junction plate (20) be fixed on stair stringer bed die (1) and be connected by Bolted angle connection hole connector,
In stair soffit steel form, left side of face is longitudinally provided with stair soffit water proof line of rabbet joint material (10-2); In steel form of marking time (6), left side of face is longitudinally provided with water proof line of rabbet joint material (10-1) of marking time; Each horizontal stand terrace of steel form of marking time (6) is respectively equipped with screw plate (26); The lateral surface of steel form (6) of marking time is provided with several through hole nut (24) marking time in square position;
Mark time steel form (6) and on vertical beam of marking time (22) and stair soffit steel form, arrange Screw arbor with nut at both-ends built-in fitting (15), both sides' pipe back cord (12), packing ring, nut stationary positioned by the 2-4 settled;
Stair soffit steel form is connected to form by upper inner corner trim mould (8), flat-die (9), lower inner corner trim mould (16); Upper inner corner trim mould (8) top is set to horizontal, and upper inner corner trim mould (8) top is corresponding with upper flight stair beam bottom board (1), and the bottom of upper inner corner trim mould is parallel with stair gradient; Flat-die (9) and upper inner corner trim mould (8), lower inner corner trim mould (16) are rectangle with wide; Lower inner corner trim mould (16) top is parallel with stair gradient, and the following of lower inner corner trim mould (16) is set to vertical configuration; Upper inner corner trim mould (8), flat-die (9), lower inner corner trim mould (16) are respectively smooth plane with concrete surface, another side surrounding is provided with limit rib (29), form the frame closed, limit rib (29) is provided with assembly hole (31), in limit rib (29), be provided with symmetrical perpendicular rib (23), cross rib (28), assembly hole (31) and through hole nut (24), be provided with installing hole near the other internal-rib of dual-side rib;
Bottom stair stringer bed die (1) is by the assembly hole (31) of a side rib (29) and the bottom assembly hole (31) of lower inner corner trim mould (16) following vertical plane fitting over lower bench, with connector assembling, lower inner corner trim mould (16) is furnished with built-in fitting (17) on the top of its vertical plane respectively by set several pre-buried piece bores (33), stair stringer bed die (1) is assembled with connector with bottom stair stringer external mold (2) medial surface assembly hole (31) by the assembly hole (31) of another side rib (29), and the assembly hole (31) of bottom stair stringer external mold (2) top sides rib (29) and the assembly hole (31) of bottom floor steel form (3) internal-rib are assembled with connector by corner connector (11), by lower inner corner trim mould (16) bottom after assembling, bottom stair stringer bed die (1), first placing of concrete (7) on bottom stair stringer external mold (2) and bottom floor steel form (3) assembly, after concrete (7) solidifies, again by the assembly hole (31) on lower inner corner trim mould (16) in front on rib (29), be connected with the assembly hole (31) under flat-die (9) in front on rib (29) with connector, assembly hole (31) on flat-die (9) in front on rib (29), be connected with the assembly hole (31) under upper inner corner trim mould (8) in front on rib (29) with connector, upper inner corner trim mould (8) upper end vertical plane is by the upper set assembly hole (31) of limit rib (29), be connected with connector with assembly hole (31) set by the medial surface at middle part stair stringer external mold (2), the end face assembly hole (31) at middle part stair stringer external mold (2) is connected with rib holes connector in the side at middle part floor steel form (3) by corner connector (11), becomes landing,
The mark time lower surface of steel form (6) of lower bench fits over and to water and above the concrete solidified (7); To mark time the top of steel form (6), be fixed on interior wall steel form (5), exterior wall steel form (18) and stair side template (19) respectively by connector by vertical beam of marking time (22) limit rib (29) of steel form of marking time (6) two sides and the assembly hole of side top, the uncovered shape of upper interruption-forming of steel form (6) cavity that makes to mark time;
The corner that layer landing is connected therewith upwards goes up flight stair punching block, except built-in fitting (17) is not installed, all the other are the same with lower bench, at middle part floor steel form (3), the opposite side at middle part stair stringer external mold (2), stair stringer bed die (1), lower inner corner trim mould (16) and all stair templates are installed simultaneously.
2. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, it is characterized in that: described Screw arbor with nut at both-ends built-in fitting (15), in the inner chamber by containing at steel form of marking time (6) and stair soffit steel form, settle 1-5 row, often arrange 2-5 Screw arbor with nut at both-ends built-in fitting (15), each Screw arbor with nut at both-ends built-in fitting (15) comprises a screw rod, two cone barrel nuts, two bolts, two of screw rod are provided with screw thread, and two are provided with the end of thread and fit in the center screw of the little head end of two cone barrel nuts respectively, one of two bolts is respectively equipped with screw thread, and other end is respectively equipped with turret head, and two bolts establish threaded one to be assigned in the center screw of cone barrel nut stub end respectively, the screw rod that two cone barrel nuts and center screw are joined, be assigned in the cavity of placing of concrete, and below make two to bore top, right-angled triangle angle that the big end surface of barrel nuts is close in steel form of marking time (6) respectively and on stair soffit steel form inner face, on the cone barrel nut corresponding to top, steel form of marking time (6) triangle angle and stair soffit steel form, through hole is set, and correspondence mixes one end of bolt in two set through holes, join with screw rod two ends after through hole is stretched in one end of two bolts and bore barrel nut stub end and be connected respectively, the other end of two bolts is each passed through steel form of marking time (6) and stair soffit steel form, and by both sides' pipe back cord (12) and connector stationary positioned thereof,
Described built-in fitting (17), comprises cone barrel nut, 7 font screw rods, bolt, in hook shape, other end is provided with screw thread to of 7 font screw rods, and 7 font screw rods establish threaded one to fit in the center screw of the little head end of cone barrel nut, one of bolt is provided with screw thread, and other end is provided with turret head, and bolt establishes threaded one to be assigned in the center screw of cone barrel nut stub end, the 7 font screw rods that cone barrel nut and center screw are joined, be assigned in the cavity of placing of concrete, and make the big end surface of cone barrel nut be close to the following vertical plane panel of lower inner corner trim mould (16), bolt other end is by pre-buried piece bores (33) set by lower inner corner trim mould (16) following vertical plane, stretch out the following vertical plane lateral surface lower inner corner trim mould (16), and by mixing plain cushion in the shank of bolt section of stretching out of lower inner corner trim mould (16) following vertical plane lateral surface, by cone barrel nut and on 7 font screw rods be tightened on the vertical plane of lower inner corner trim mould (16) following.
3. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, it is characterized in that: junction plate (20) is provided with base, right angle, junction plate (20) is provided with five connecting holes, wherein four screws (35) are distributed in top, and another hole is located at the central lower of plate; The base, right angle of junction plate (20) fits over limit rib (29) bottom surface of stair stringer bed die (1), and be connected and fixed by the connecting hole of junction plate (20) central lower and stair stringer bed die (1) limit rib (29) assembly hole connector, four, junction plate (20) top screw (35), by being longitudinally divided into two groups, often organizing upper and lower two screws (35) and being connected to a fixed by Bolted angle connection hole connector with the upper set assembling screw (35) of stair side template (19) close to side respectively.
4. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, it is characterized in that: water proof line of rabbet joint material (10-1) of marking time, stair soffit water proof line of rabbet joint material (10-2) adopts cross section to be trapezoidal wire rod, the wide face of trapezoidal wire rod is affixed on punching block inner face, joined steel form is provided with connecting hole, at water proof line of rabbet joint material (10-1) of marking time, stair soffit water proof line of rabbet joint material (10-2) is provided with screw, to be marked time water proof line of rabbet joint material (10-1) by connector, stair soffit water proof line of rabbet joint material (10-2) is fixed on the inner face of punching block.
5. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, it is characterized in that: screw plate (26) is in fillet rectangle steel plate, by the vertical plane solid welding connector of marking time, screw plate (26) is fixed on steel form of marking time (6) level and marks time on vertical plane limit; Screw plate (26) is provided with a two rows bolt installation screw (21), steel form of marking time (6) the horizontal step surface that a two rows screw is corresponding is provided with corresponding through hole.
6. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, is characterized in that: stair side template (19), in tabular, is elongated hole at the upper set two rows assembly hole of stair side template (19); And array embedded nut handrail connecting screw hole (30) is provided with on stair side template (19), often organize embedded nut handrail connecting screw hole (30) for 1-5, stair side template (19) two is respectively equipped with several assembling screw (35).
7. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, is characterized in that: stair soffit steel form, steel form of marking time (6) are longitudinally provided with connection stair soffit water proof line of rabbet joint material (10-2) longitudinally identical with left side, the prepared hole of water proof line of rabbet joint material (10-1) of marking time on right side; Fit over the vertical beam of marking time (22) of steel form of marking time (6) left and right sides, above, limit rib (29) is equipped with identical several assembly and connection elongated holes, lateral surface is equipped with same to pulling eye (25) and a row assembly hole; The other internal-rib of stair soffit steel form dual-side rib (29) is equipped with same assembly hole.
8. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, is characterized in that: described sleeve plug (32), comprises a cylinder type hollow pipe, two hollow cone cylinders; The little head end of two hollow cone cylinders matches with the centre bore at cylinder type hollow pipe two respectively.
9. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, it is characterized in that: corner connector (11) is in unequal angle shape, the length of its minor face is less than or equal to the height of internal-rib, and the width of minor face is about 2 times of the length of minor face; Long edge lengths is about 2 times of bond length, and the width on long limit is less than or equal to the width of limit rib; Corner connector (11) minor face wide go out vertical plane on be provided with connecting hole, on the horizontal plane on corner connector (11) long limit, be provided with the elongated hole be convenient to be connected with limit rib holes and regulated.
10. a kind of clear-water concrete sawtooth pattern enclosed type staircase steel form device according to claim 1, is characterized in that: both sides' pipe back cord (12), is to form groove by being furnished with spacer block between two square steel pipes, and set groove facilitates screw rod to pass.
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| CN105863253A (en) * | 2016-05-25 | 2016-08-17 | 杭州江润科技有限公司 | Integral formwork-supporting type asynchronous casting stairwell wall column formwork supporting system and construction method |
| CN107288340A (en) * | 2017-07-20 | 2017-10-24 | 北京城建远东建设投资集团有限公司 | The hanging board device and construction method of a kind of control cast-in-situ stair bench plate thickness |
| CN109025275A (en) * | 2018-07-25 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of shear wall side regularization stair punching block and installation method |
| CN110409817A (en) * | 2018-04-27 | 2019-11-05 | 湖南好快省建筑科技有限公司 | Stair template with stair cover board |
| CN110565949A (en) * | 2019-09-30 | 2019-12-13 | 融兴建设集团有限公司 | Stair step directional steel template and construction method |
| CN114000433A (en) * | 2021-11-05 | 2022-02-01 | 上海振华重工(集团)股份有限公司 | Adjustable foot baffle plate |
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| CN109025275A (en) * | 2018-07-25 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of shear wall side regularization stair punching block and installation method |
| CN110565949A (en) * | 2019-09-30 | 2019-12-13 | 融兴建设集团有限公司 | Stair step directional steel template and construction method |
| CN110565949B (en) * | 2019-09-30 | 2025-03-18 | 融兴建设集团有限公司 | A directional steel formwork for stair steps and construction method thereof |
| CN114000433A (en) * | 2021-11-05 | 2022-02-01 | 上海振华重工(集团)股份有限公司 | Adjustable foot baffle plate |
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