CN102493648A - Pre-embedding construction method for distribution box with rows of pipes, and support device - Google Patents
Pre-embedding construction method for distribution box with rows of pipes, and support device Download PDFInfo
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- CN102493648A CN102493648A CN2011104499157A CN201110449915A CN102493648A CN 102493648 A CN102493648 A CN 102493648A CN 2011104499157 A CN2011104499157 A CN 2011104499157A CN 201110449915 A CN201110449915 A CN 201110449915A CN 102493648 A CN102493648 A CN 102493648A
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Abstract
The invention discloses a pre-embedding construction method for a distribution box with rows of pipes, and a support device, and relates to a pre-embedding construction method for distribution pipes and a distribution box of a masonry wall in building engineering. The construction method comprises the following steps of: fixing the distribution box at a design position by using a temporary platform; installing rows of distribution pipes on the upper part of the distribution box; suspending the distribution box by using the installed distribution pipes, removing the temporary platform, and installing distribution pipes on the lower part of the distribution box to ensure that the distribution box is fixed in the vertical direction; constraining the rows of distribution pipes and the distribution box in the horizontal direction by using steel bars which stretch into the masonry wall; controlling the degree of the distribution box stretching out of the wall by using a formwork fixing system; and pouring concrete to firmly fix the distribution pipes and the distribution box so as to fulfill the aim of accurately installing the distribution box in an embedded mode. The device is provided with a transverse steel pipe component, an upper steel pipe component, a lower steel pipe component, a lower supporting plate, a left supporting plate, an upper supporting plate and a right supporting plate.
Description
Technical field
The present invention relates to the pre-embedded construction method of the masonry wall distribution pipe switchbox of construction work, especially relate to a kind of comb switchbox preposition pre-embedded construction method and bracing or strutting arrangement in allowable ratio of height to sectional thickness of masonry wall or column be with into.
Background technology
Architectural electricity pipe arrangement and the switchbox mounting method in masonry wall, the at present more relevant position that is employed in the masonry wall that has laid is dug with the labour and is buried distribution pipe and the required space of switchbox underground.When the distribution pipe more for a long time, can cause that to dig the cross section bigger, the masonry wall overwhelming majority at this position is dug, and has a strong impact on the quality of masonry wall, causes this position wall crazing.Because operation is dug, beaten to masonry wall after building by laying bricks or stones and finishing again, not only causes waste of human resource, and cause the serious waste of material.Most importantly this technology can not be intersected continuous productive process; Electrical engineering is constructed in advance; Cause the construction period longer, the recruitment of electric project is unbalanced when the overall process operation simultaneously, causes the work holdup and recruitment the phenomenon of short time maximum wave peak value to occur easily.
In addition, also have the secondary installing method of headspace when masonry and the method for installing synchronously with the masonry wall construction.Shortcomings such as the body of wall that the secondary installing method of headspace exists distribution pipe, switchbox and secondary to build by laying bricks or stones disconnects with big face wall body, and total quality is relatively poor, and used time duration is long.And the synchronous installation of employing construction not only can increase the amount of labour used of electrical engineering, also can reduce the work efficiency of masonry operation, simultaneously because cross-operation continuously causes quality to be not easy to control.
In sum, to having the installation of distribution pipe switchbox in a row in masonry wall, be necessary to study a kind of scientific reasonable construction method.Guaranteeing that the duration is reasonable, reducing the operation of intersection operation; The wall quality that requires simultaneously to guarantee this position can meet relevant design and code requirement; Require the accurate location and installation of distribution casing; And in construction overall process, carry out the protection of distribution casing, thereby guarantee the requirement of the elaboration engineering of distribution casing.
Chinese patent CN201120035412.0 discloses the concealed low-tension distribution box of a kind of embedding wall; Comprise casing, case lid, chamber door and the electronic devices and components that are installed in box house; Said case lid is installed on the casing; This case lid is equipped with panel, and said panel is provided with operating grip and observation port, and said case lid utilizes hinge that chamber door is installed.
Chinese patent CN00214169.8 discloses a kind of slim embedded switchbox; Constitute by electric energy dial plate casing, energy meter, earth leakage protective controller; Establish special-purpose junction box in electric energy dial plate casing one side; Fixing a plurality of insulator praps on special-purpose junction box's rear wall, main line all is connected through the sub-prap of corresponding insulation with energy meter, earth leakage protective controller with house lead in.
Chinese patent CN200820185603.3 discloses the working switchbox of a kind of direct-burried; Comprise casing and case lid, described casing is provided with the iron otic placode, and case lid is provided with chamber door and chamber door frame; The chamber door frame is fastened on the casing through screw and iron otic placode, and chamber door is articulated and connected on the chamber door frame.L-shaped or the opening rectangle of the section of described chamber door frame.
Chinese patent CN200920224953.0 discloses a kind of wall mosaic type module combinations switchbox; Its structure comprises casing, case lid, and the case lid middle part is provided with groove, is fixed with door on the groove; Casing antetheca middle part has the rectangular of placing case lid; Lower limb is provided with fixedly catch on the shrinkage pool, evenly has spacing hole on the described fixedly catch, and the fixing hole that is provided with on spacing hole and the case lid groove is corresponding.
Summary of the invention
The objective of the invention is to the difficult difficult problem of quality control in order to solve mounting strap distribution pipe in a row switchbox in the existing masonry wall; A kind of factors such as measurement and positioning, workable, the reliable in quality of construction that take into full account are provided; Continue to use the custom of building operations, fixedly switchbox, the band that suspends switchbox in midair by top distribution pipe in a row become comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column by interim adjustable support platform as far as possible.
Another object of the present invention is to provide a kind of when preventing that walls concrete from building pressure pre-buried switchbox is caused the pre-buried distribution casing of the scalable inner supporting device of excessive deformation.
The said comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column of being with into may further comprise the steps:
1) uses the position that temporary platform is fixed to switchbox design earlier;
2) the distribution pipe in a row on installation switchbox top;
3) by mounted distribution pipe suspention switchbox, install switchbox bottom distribution pipe after the dismounting temporary platform, the switchbox above-below direction is fixed;
4) be constrained to deploying fulgurite and switchbox by the reinforcing bar horizontal direction that stretches in the masonry wall;
5) go out the wall degree by template fixed system distribution control box;
6) build concrete and firmly fix distribution pipe and switchbox, reach the target that switchbox accurately buries installation.
In step 1), the assemble method of said interim adjustable support platform is following: choose steel plate, and the relevant position welds 4 bolts through weld seam below steel plate.And be inserted in bolt to the rotation of 4 adjustable nuts; Divide two-layer fixing through 4 short steel pipes that connect with 4 long steel pipes that are connected 4 steel pipe vertical rod welding; Insert 4 steel pipe vertical rods inside to 4 bolts simultaneously then, accomplish the assembling of whole interim adjustable support platform.
The accurate positioning method of said interim adjustable support platform is following: the position that is placed on whole interim adjustable support platform the plan installation switchbox on flooring or ground; The universal measurement method of locating by building surveying during displacement; The plan-position of guaranteeing whole interim adjustable support platform adheres to specification; Through regulating 4 adjustable nuts to guarantee the plate face level of steel plate; And the surface level absolute altitude of steel plate just is the bottom surface design level absolute altitude that switchbox intend to be installed, and the surface level absolute altitude of said steel plate just is that the concrete grammar of intending the bottom surface design level absolute altitude that switchbox is installed can carry out Height control by instruments such as the level gauge of building surveying, steel rulers.
The concrete grammar that plan installation switchbox accurately is positioned at above the interim adjustable support platform is following: be placed on switchbox above the steel plate of the interim adjustable support platform of adjusting absolute altitude.On steel plate, move switchbox, make its plan-position just design attitude (the plane survey method by the building surveying location is controlled).After the plan-position of switchbox and vertical elevation all adhered to specification, switchbox just accurately was positioned on the interim adjustable support platform.
In step 2) in, the concrete grammar of the distribution pipe in a row on said installation switchbox top is following: be fixed on the distribution pipe in a row connection on top between ceiling or roofing and the switchbox.
In step 3); The concrete grammar that said switchbox bottom distribution pipe in a row is installed is following: at first through adjusting 4 adjustable nuts the steel plate height is descended and the switchbox disengaging; Remove interim adjustable support platform then, switchbox is by the distribution pipe suspension in a row of already installed top.Be fixed on the distribution pipe in a row connection of bottom between flooring or ground and the switchbox, when the distribution pipe is installed, will guarantee that the locus of switchbox adheres to specification.
In step 4); The horizontal connection method of said reinforcing bar is following: make the connecting reinforcement of horizontal direction with
reinforcing bar, the length that the length control of
reinforcing bar requires to imbed masonry wall is greater than 500mm.Distance between
reinforcing bar of levels also is 500mm; Switchbox all is provided with
reinforcing bar up and down;
reinforcing bar is fixed on the distribution pipe through affixed point (distribution pipe and distribution pipe are firm with the iron wire colligation when being plastic pipe, if adopt the weld seam firm welding during metal tube) and above the distribution pipe.
The method that masonry wall is built by laying bricks or stones is following: build masonry wall by laying bricks or stones; In building process, be fixed on
reinforcing bar in the masonry wall, thereby fix top distribution pipe in a row and bottom distribution pipe in a row by
reinforcing bar.
The method of system of enfeoffment building mould is following: be pressed in the masonry wall both sides that laid with construction formwork; On the template that the switchbox side is arranged, reserve the 1st concrete and build and mouthful build mouth, will expose outside the hole (requiring switchbox is the about 20mm of depth of plastering of masonry wall than the medial surface protruded length of template) of template simultaneously at template upper shed assurance switchbox with the 2nd concrete.
In step 5), the said wall degree that goes out by template fixed system distribution control box can be identical with the depth of plastering of body of wall;
In step 6), it is following that said concrete is built the method for reserving the position: build reserved opening by the 1st concrete and build the concrete of switchbox bottom and finish, build reserved opening to the 1st concrete then and seal the hole sealing with iron nail and template.Building reserved opening by the 2nd concrete builds remaining concrete and finishes.Wait to build when reaching top the 2nd and building the reserved opening position, concrete is built on the limit, and the limit seals the 2nd concrete and builds reserved opening.
The template fixed method is following: on template, offer wearing circular hole; And pass circular hole to the plastic bushing of diameter 20mm; The length that plastic bushing exposes template is about 5mm, passes plastic bushing to the split bolt of
.Fasten two
steel pipe, fastening nuts then with butterfly.Thereby guarantee to be pressed on above the template by two
steel pipes that butterfly is withheld; Firmly be fixed on template on the masonry wall of having built by laying bricks or stones, thereby form the firm of template system, and in switchbox, settle the pre-buried distribution casing of scalable inner supporting device;
The pre-buried distribution casing of said scalable inner supporting device is provided with horizontal steel pipe assembly, last steel pipe assembly, following steel pipe assembly, following supporting plate, left supporting plate, goes up supporting plate, right supporting plate; The said steel pipe assembly of going up is fixed on the horizontal steel pipe assembly with following steel pipe assembly; The upper end of last steel pipe assembly is connected with last adjustable support member; The said adjustable support member that goes up is provided with supporting plate, goes up bolt and top nut; Last bolt is fixed in the bottom of supporting plate, and top nut is located on the bolt, and the lower end of following steel pipe assembly is affixed with following supporting plate; The left end of horizontal steel pipe assembly and left supporting plate are affixed; The right-hand member of horizontal steel pipe assembly is connected with right adjustable support member; Said right adjustable support member is provided with right supporting plate, right bolt and right nut, and right bolt is fixed in the left side of right supporting plate, and right nut is located on the right bolt.
The said steel pipe assembly of going up is fixed on the horizontal steel pipe assembly with following steel pipe assembly, can the upper end of lower end of going up the steel pipe assembly and following steel pipe assembly be welded on the upper and lower both sides, middle part of horizontal steel pipe assembly respectively.
Said upper end of going up the steel pipe assembly is connected with last adjustable support member, can insert in the port that goes up the steel pipe assembly going up bolt.
The lower end of said steel pipe assembly down is affixed with following supporting plate, can be with the lower end of playing the steel pipe assembly through weld seam and following supporting plate welding.
Said upward bolt is fixed in the bottom of supporting plate, can be with going up the bottom welding of bolt top through weld seam and last supporting plate.
The few 60mm of the comparable switchbox insied width of the length of said horizontal steel pipe assembly.
The said half the few 60mm that goes up the comparable switchbox inner height of length of steel pipe assembly.
Half the few 50mm of the comparable switchbox inner height of length of said steel pipe assembly down.
Said right adjustable support member also can be located at the left end of horizontal steel pipe assembly.
After adopting the present invention, but through saving support platform by Heibei provincial opera, auxiliary accurate measurement and positioning: and utilize the three-dimensional orientation level gauge to confirm the plan-position of switchbox; Simultaneously, adopt level gauge and identify steel ruler,, accurately navigate to design attitude to the locus of switchbox temporarily through adjusting the bottom fine adjustment platform of interim support platform.
Similar upper and lower one-tenth comb is installed earlier with existing other, installs the construction technology of switchbox then and compare, the present invention is because of introduce interim support platform breakthroughly, better fixing switchbox, and the installation deviation that produces in the installation process is minimum.And because the introducing of temporary platform can improve operator's work efficiency, the task performance of unit interval is greatly improved.
With existing other through digging the compared with techniques of the masonry wall of having built by laying bricks or stones, the present invention not only economizes on resources, and recruitment is also more reasonable, the quality of masonry wall can not cut a hole the mass defect that produces body of wall because of beating.Because the present invention adopts the body of wall at cast-in-place this position, not only become the protection of comb and switchbox to be guaranteed, the strength and stiffness of body of wall can get a promotion simultaneously, solve the common quality defect at this position of electrical engineering project.
In addition, construction technology of the present invention practical reliable, draw materials conveniently, make simple, easy to use, respond well.
Simultaneously, because the intelligent degree of construction work now is increasingly high, comprehensive pipeline is also more and more in the corresponding building, thereby the preheating embedding line amount is also with increasing.Therefore the band distribution pipe in a row switchbox use amount in the masonry wall is also with increasing.Because the specific aim scientific research research and development in this regard of electrical engineering in the past are less, thereby existing several kinds of construction technologies all exist local use unreasonable.Utilization prospect in market therefore of the present invention is vast.
Compare with existing other similar rigidity inner support, the pre-buried distribution casing of scalable according to the invention inner supporting device is comparatively practical reliable, it is simple, easy to use, respond well to draw materials conveniently, make.And can realize regulating bulk by bolt.Than similar other products than the tool cost advantage, and have enough to meet the need easy to use, stronger at the suitability of the different scope of operations.This device has better practicability compared with similar products, the value of the practice that tool is higher.
Description of drawings
Fig. 1 is interim adjustable support platform sketch map.
Fig. 2 is that support platform is regulated drawing.
Fig. 3 is a switchbox location sketch map.
Fig. 4 is a switchbox top distribution pipe in a row scheme of installation.
Fig. 5 is that interim adjustable support platform is removed sketch map.
Fig. 6 is a switchbox bottom distribution pipe in a row scheme of installation.
Fig. 7 is horizontal connecting reinforcement scheme of installation.
Fig. 8 is that masonry wall is built sketch map by laying bricks or stones.
Fig. 9 is an envelope template sketch map.
Figure 10 is a template fixed system sketch map.
Figure 11 is a switchbox position sectional schematic diagram.
Figure 12 is that template is to drawing fixedly drawing.
Figure 13 is that switchbox bottom concrete is built the sketch map that finishes.
Figure 14 is that template system is removed and plastic pipe is filled the sketch map that finishes.
Figure 15 is that the structure of the pre-buried distribution casing of scalable inner supporting device is formed sketch map.
The specific embodiment
Following examples will combine accompanying drawing that the present invention is further described.
Referring to Fig. 1～14, the present invention includes following steps:
1) uses the position that interim adjustable support platform is fixed to switchbox design earlier;
Interim adjustable support platform assembling: like Fig. 1, shown in Figure 2, choose steel plate 1, and the relevant position welds 4 bolts 2 through weld seam 4 below steel plate.And be inserted in bolt 2 to 4 adjustable nuts 3 rotation.Short to connect steel pipes 6 two-layer 4 steel pipe vertical rods, 5 welding fixing (4 bolts 2 of bulk requirement can insert 4 steel pipe vertical rod 5 inside simultaneously respectively) with 4 long steel pipes 7 minutes of being connected through 4.Insert 4 steel pipe vertical rod 5 inside to 4 bolts 2 simultaneously then.Whole interim adjustable support platform assembling is accomplished.
Interim adjustable support platform is accurately located: like Fig. 1, Fig. 2 and shown in Figure 3; Be placed on whole interim adjustable support platform the position (by the universal measurement method of building surveying location, guaranteeing that the plan-position of whole interim adjustable support platform adheres to specification during displacement) of the plan installation switchbox 10 of flooring 9 (or ground 9).Through regulating 4 adjustable nuts 3 guaranteeing the plate face level of steel plate 1, and the surface level absolute altitude of steel plate 1 just is to intend bottom surface design level absolute altitude that switchbox 10 is installed (carrying out Height control by instruments such as the level gauge of building surveying, steel rulers).
Intending the installation switchbox accurately is positioned at above the interim adjustable support platform: as shown in Figure 3, be placed on switchbox 10 above the steel plate 1 of the interim adjustable support platform of adjusting absolute altitude.On steel plate 1, move switchbox 10, make its plan-position just design attitude (the plane survey method by the building surveying location is controlled).After the plan-position of switchbox 10 and vertical elevation all adhered to specification, switchbox 10 just accurately was positioned on the interim adjustable support platform.
2) the distribution pipe in a row on installation switchbox top;
The concrete grammar of the distribution pipe in a row on installation switchbox top is following: as shown in Figure 4, be fixed on distribution pipe 11 connections in a row on top between ceiling 8 (or roofing 8) and the switchbox 10.
3) by mounted distribution pipe suspention switchbox, install switchbox bottom distribution pipe after the dismounting temporary platform, the switchbox above-below direction is fixed; The concrete grammar that said switchbox bottom distribution pipe in a row is installed is following: like Fig. 2, Fig. 4, Fig. 5, shown in Figure 6, at first through adjusting 4 adjustable nuts 3 steel plate 1 is highly descended and switchbox 10 disengagings, remove interim adjustable support platform then.Switchbox 10 is by distribution pipe 11 suspensions in a row of already installed top.Be fixed on distribution pipe 12 connections in a row of bottom between flooring 9 (or ground 9) and the switchbox 10 (when distribution pipe 12 is installed, will guarantee that the locus of switchbox 10 adheres to specification).
4) be constrained to deploying fulgurite and switchbox by the reinforcing bar horizontal direction that stretches in the masonry wall; The said degree of depth that stretches in the masonry wall can be 500mm; Said reinforcing bar can adopt
reinforcing bar.
The method that horizontal connecting reinforcement is installed is following: like Fig. 7, shown in Figure 8; Make the connecting reinforcement of horizontal direction with
reinforcing bar 13, the length that the length control of
reinforcing bar 13 requires to imbed masonry wall 15 is greater than 500mm.Distance between
reinforcing bar 13 of levels also is 500mm, and switchbox 10 all is provided with
reinforcing bar 13 up and down.
reinforcing bar 13 is fixed on distribution pipe 11 through affixed point 14 (distribution pipe 11 is firm with the iron wire colligation when being plastic pipe with distribution pipe 12, if adopt the weld seam firm welding during metal tube) and above the distribution pipe 12.
The method that masonry wall is built by laying bricks or stones is following: as shown in Figure 8; Build masonry wall 15 by laying bricks or stones, in building process, be fixed on
reinforcing bar 13 in the masonry wall.Thereby fix top distribution pipe 11 in a row and bottom distribution pipe 12 in a row by
reinforcing bar 13.
The method of system of enfeoffment building mould is following: as shown in Figure 9, be pressed in masonry wall 15 both sides that laid with construction formwork 16.Reservation the 1st concrete is built mouthful the 17 and the 2nd concrete and is built mouth 18 on the template that switchbox 10 sides are arranged, and guarantees that in template 16 upper sheds switchbox 10 will expose outside the hole (requiring switchbox is about the about 20mm of depth of plastering of masonry wall than the medial surface protruded length of template) of template 16 simultaneously.
5) go out the wall degree by template fixed system distribution control box; The said wall degree that goes out by template fixed system distribution control box can be identical with the depth of plastering of body of wall.
The template fixed method is following: like Figure 10, Figure 11 and shown in Figure 12; On template, offer wearing circular hole; And pass circular hole to the plastic bushing 20 of diameter 20mm; The length that plastic bushing 20 exposes template 16 is about 5mm, passes plastic bushing 20 to the split bolt 21 of
.Fasten two
steel pipes 22 with butterfly button 23, fastening nut 24 then.Thereby guarantee to be pressed on above the template by two
steel pipes 22 that butterfly button 23 is pushed down.Firmly be fixed on template on the masonry wall 15 of having built by laying bricks or stones, thereby form the firm of template system.And in switchbox 10, settle the pre-buried distribution casing of scalable inner supporting device 19 (referring to Figure 15).
6) build concrete and firmly fix distribution pipe and switchbox, reach the target that switchbox accurately buries installation.
It is following that concrete is built the method for reserving the position: like Figure 10 and Figure 13, build reserved opening 17 by the 1st concrete and build the concrete of switchbox bottom and finish, build reserved opening 17 usefulness iron nails and template to the 1st concrete then and seal the hole and seal 25.Building reserved opening 18 by the 2nd concrete builds remaining concrete and finishes.Wait to build when reaching top the 2nd and building reserved opening 18 positions, concrete is built on the limit, and the limit seals the 2nd concrete and builds reserved opening 18.
Template and fixed system thereof are removed: like Figure 10, Figure 11, Figure 12, Figure 13 and shown in Figure 14; Stripping 16 and fixed system thereof after concrete 26 condenses (nut 24, butterfly button 23, two
steel pipe 22, split bolt 21); And cut pre-buried plastic bushing 20 along body of wall flatly, and in sleeve pipe 20, adopt cement mortar 27 to carry out filling up in the collar aperture.
Up to this step, guarantee that switchbox exposes outside the depth of plastering that concrete wall is of a size of masonry wall, it is just concordant with switchbox to whitewash the back that finishes at masonry wall like this.
Referring to Figure 15, the pre-buried distribution casing of said scalable inner supporting device is provided with horizontal steel pipe assembly 151, goes up steel pipe assembly 152, down steel pipe assembly 153, down supporting plate 156, left supporting plate 158, go up supporting plate 1510, right supporting plate 1514; The lower end of said upward steel pipe assembly 152 and the upper end of following steel pipe assembly 153 are welded on the upper and lower both sides, middle part of horizontal steel pipe assembly 151 respectively.The upper end of last steel pipe assembly 152 is connected with last adjustable support member; The said adjustable support member that goes up is provided with supporting plate 1510, goes up bolt 1511 and top nut 1513; Last bolt 1511 is fixed in the bottom of supporting plate 1510; Top nut 1513 is located on the bolt 1511, and the lower end of following steel pipe assembly 153 and following supporting plate 156 are affixed; The left end of horizontal steel pipe assembly 151 and left supporting plate 158 are affixed; The right-hand member of horizontal steel pipe assembly 151 is connected with right adjustable support member; Said right adjustable support member is provided with right supporting plate 1514, right bolt 1515 and right nut 1517; Right bolt 1515 is fixed in the left side of right supporting plate 1514, and right nut 1517 is located on the right bolt 1515.
Said upper end of going up steel pipe assembly 152 is connected with last adjustable support member, can insert in the port that goes up steel pipe assembly 152 going up bolt 1511.The lower end and the following supporting plate 156 of said steel pipe assembly 153 down are affixed, can be with the lower end of playing steel pipe assembly 153 through weld seam 157 and following supporting plate 156 welding.Said upward bolt 1511 is fixed in the bottom of supporting plate 1510, can be with going up bolt 1511 tops through the bottom welding of weld seam 1512 with last supporting plate 1510.
The few 60mm of the comparable switchbox insied width of the length of said horizontal steel pipe assembly 151.The said half the few 60mm that goes up the comparable switchbox inner height of length of steel pipe assembly 152; Half the few 50mm of the comparable switchbox inner height of length of said steel pipe assembly 153 down.
Said right adjustable support member also can be located at the left end of horizontal steel pipe assembly 151.
Claims (10)
1. be with into comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column, it is characterized in that may further comprise the steps:
1) uses the position that temporary platform is fixed to switchbox design earlier;
2) the distribution pipe in a row on installation switchbox top;
3) by mounted distribution pipe suspention switchbox, install switchbox bottom distribution pipe after the dismounting temporary platform, the switchbox above-below direction is fixed;
4) be constrained to deploying fulgurite and switchbox by the reinforcing bar horizontal direction that stretches in the masonry wall;
5) go out the wall degree by template fixed system distribution control box;
6) build concrete and firmly fix distribution pipe and switchbox, reach the target that switchbox accurately buries installation.
2. the comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column of being with into as claimed in claim 1; It is characterized in that in step 1); The assemble method of said interim adjustable support platform is following: choose steel plate; And the relevant position welds 4 bolts through weld seam below steel plate, and is inserted in bolt to 4 adjustable nut rotations, divides two-layer fixing 4 steel pipe vertical rod welding through 4 short steel pipes that connect with 4 long steel pipes that are connected; Insert 4 steel pipe vertical rods inside to 4 bolts simultaneously then, accomplish the assembling of whole interim adjustable support platform;
The accurate positioning method of said interim adjustable support platform can be: the position that is placed on whole interim adjustable support platform the plan installation switchbox on flooring or ground; The universal measurement method of locating by building surveying during displacement; The plan-position of guaranteeing whole interim adjustable support platform adheres to specification; Through regulating 4 adjustable nuts to guarantee the plate face level of steel plate; And the surface level absolute altitude of steel plate just is to intend the bottom surface design level absolute altitude that switchbox is installed, and the surface level absolute altitude of said steel plate just is that the concrete grammar of intending the bottom surface design level absolute altitude that switchbox is installed can carry out Height control by level gauge, the steel ruler instrument of building surveying;
The concrete grammar that plan installation switchbox accurately is positioned at above the interim adjustable support platform can be: be placed on switchbox above the steel plate of the interim adjustable support platform of adjusting absolute altitude.On steel plate, move switchbox, make its plan-position just at design attitude, after the plan-position of switchbox and vertical elevation all adhered to specification, switchbox just accurately was positioned on the interim adjustable support platform.
3. the comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column of being with into as claimed in claim 1; It is characterized in that in step 2) in, the concrete grammar of the distribution pipe in a row on said installation switchbox top is following: be fixed on the distribution pipe in a row connection on top between ceiling or roofing and the switchbox.
4. the comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column of being with into as claimed in claim 1; It is characterized in that in step 3); The concrete grammar that said switchbox bottom distribution pipe in a row is installed is following: at first through adjusting 4 adjustable nuts the steel plate height is descended and the switchbox disengaging; Remove interim adjustable support platform then; Switchbox is fixed on the distribution pipe in a row connection of bottom between flooring or ground and the switchbox by the distribution pipe suspension in a row of already installed top, when the distribution pipe is installed, will guarantee that the locus of switchbox adheres to specification.
5. the comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column of being with into as claimed in claim 1; It is characterized in that in step 4); The horizontal connection method of said reinforcing bar is following: make the connecting reinforcement of horizontal direction with
reinforcing bar; The length that the length control of
reinforcing bar requires to imbed masonry wall is greater than 500mm; Distance between
reinforcing bar of levels is 500mm; Switchbox all is provided with
reinforcing bar up and down, and
reinforcing bar is fixed on the distribution pipe through affixed point and above the distribution pipe;
The method that masonry wall is built by laying bricks or stones can be: build masonry wall by laying bricks or stones; In building process, be fixed on
reinforcing bar in the masonry wall, thereby fix top distribution pipe in a row and bottom distribution pipe in a row by
reinforcing bar;
The method of system of enfeoffment building mould can be: be pressed in the masonry wall both sides that laid with construction formwork; Reserve on the template that the switchbox side is arranged that the 1st concrete is built mouthful and the 2nd concrete is built mouth; Guarantee that in the template upper shed switchbox will expose outside the hole of template simultaneously, requiring switchbox is the about 20mm of depth of plastering of masonry wall than the medial surface protruded length of template.
6. the comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column of being with into as claimed in claim 1 is characterized in that in step 5), said by template fixed system distribution control box to go out the wall degree identical with the depth of plastering of body of wall.
7. the comb switchbox preposition pre-embedded construction method in allowable ratio of height to sectional thickness of masonry wall or column of being with into as claimed in claim 1; It is characterized in that in step 6); It is following that said concrete is built the method for reserving the position: build reserved opening by the 1st concrete and build the concrete of switchbox bottom and finish; Build reserved opening to the 1st concrete then and seal hole sealing, build reserved opening by the 2nd concrete and build remaining concrete and finish, wait to build when reaching top the 2nd and building the reserved opening position with iron nail and template; Concrete is built on the limit, and the limit seals the 2nd concrete and builds reserved opening;
The template fixed method can be: on template, offer wearing circular hole; And pass circular hole to the plastic bushing of diameter 20mm; The length that plastic bushing exposes template is about 5mm; Pass plastic bushing to the split bolt of
; Fasten two
steel pipes with butterfly; Fastening nut is guaranteed to be pressed on above the template by two
steel pipes that butterfly is withheld then; Firmly be fixed on template on the masonry wall of having built by laying bricks or stones, form the firm of template system, and in switchbox, settle the pre-buried distribution casing of scalable inner supporting device.
8. the pre-buried distribution casing of scalable inner supporting device is characterized in that being provided with horizontal steel pipe assembly, last steel pipe assembly, following steel pipe assembly, following supporting plate, left supporting plate, goes up supporting plate, right supporting plate; The said steel pipe assembly of going up is fixed on the horizontal steel pipe assembly with following steel pipe assembly; The upper end of last steel pipe assembly is connected with last adjustable support member; The said adjustable support member that goes up is provided with supporting plate, goes up bolt and top nut; Last bolt is fixed in the bottom of supporting plate, and top nut is located on the bolt, and the lower end of following steel pipe assembly is affixed with following supporting plate; The left end of horizontal steel pipe assembly and left supporting plate are affixed; The right-hand member of horizontal steel pipe assembly is connected with right adjustable support member; Said right adjustable support member is provided with right supporting plate, right bolt and right nut, and right bolt is fixed in the left side of right supporting plate, and right nut is located on the right bolt.
9. the pre-buried distribution casing of scalable as claimed in claim 8 inner supporting device; It is characterized in that the said steel pipe assembly of going up is fixed on the horizontal steel pipe assembly with play steel pipe assembly, is the upper and lower both sides, middle part that the upper end of the lower end of last steel pipe assembly and following steel pipe assembly are welded on horizontal steel pipe assembly respectively;
Said upper end of going up the steel pipe assembly is connected with last adjustable support member, can insert in the port that goes up the steel pipe assembly going up bolt;
The lower end of said steel pipe assembly down is affixed with following supporting plate, can be with the lower end of playing the steel pipe assembly through weld seam and following supporting plate welding;
Said upward bolt is fixed in the bottom of supporting plate, can be with going up the bottom welding of bolt top through weld seam and last supporting plate.
10. the pre-buried distribution casing of scalable as claimed in claim 8 inner supporting device is characterized in that the length of said horizontal steel pipe assembly is lacked 60mm than the switchbox insied width; The said half the few 60mm that goes up the comparable switchbox inner height of length of steel pipe assembly; Half the few 50mm of the comparable switchbox inner height of length of said steel pipe assembly down; Said right adjustable support member also can be located at the left end of horizontal steel pipe assembly.
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| CN 201110449915 CN102493648B (en) | 2011-12-28 | 2011-12-28 | Pre-embedding construction method for distribution box with rows of pipes, and support device |
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| CN 201110449915 CN102493648B (en) | 2011-12-28 | 2011-12-28 | Pre-embedding construction method for distribution box with rows of pipes, and support device |
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| CN102493648B CN102493648B (en) | 2013-10-02 |
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| CN103208762A (en) * | 2013-04-19 | 2013-07-17 | 成都市第二建筑工程公司 | Embedded mounting method for distribution box and construction method |
| CN104196239A (en) * | 2014-08-11 | 2014-12-10 | 中建二局第三建筑工程有限公司 | Method for installing concealed installation distribution box in block wall and applied fixing device |
| CN104389358A (en) * | 2014-11-18 | 2015-03-04 | 浙江天力建设集团有限公司 | Fire hydrant cabinet back wall body and construction method thereof |
| CN104405128A (en) * | 2014-10-14 | 2015-03-11 | 中国十七冶集团有限公司 | Earlier direct mounting method for concealed distribution box of filler wall |
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| CN108049642A (en) * | 2017-12-22 | 2018-05-18 | 石家庄市住宅开发建设公司 | A kind of electrical embedded box of fair-faced concrete and its construction method |
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| CN103208762A (en) * | 2013-04-19 | 2013-07-17 | 成都市第二建筑工程公司 | Embedded mounting method for distribution box and construction method |
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| CN104196239B (en) * | 2014-08-11 | 2016-04-20 | 中建二局第三建筑工程有限公司 | The mounting method of a kind of concealed distribution box on blockwork |
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| CN104389358A (en) * | 2014-11-18 | 2015-03-04 | 浙江天力建设集团有限公司 | Fire hydrant cabinet back wall body and construction method thereof |
| CN107859332A (en) * | 2017-11-23 | 2018-03-30 | 中国二十二冶集团有限公司 | The pre-buried construction method of prefabricated distribution box spool |
| CN107859332B (en) * | 2017-11-23 | 2020-06-12 | 中国二十二冶集团有限公司 | Construction method for embedding wire pipe of prefabricated distribution box |
| CN108049642A (en) * | 2017-12-22 | 2018-05-18 | 石家庄市住宅开发建设公司 | A kind of electrical embedded box of fair-faced concrete and its construction method |
| CN108049642B (en) * | 2017-12-22 | 2019-11-19 | 石家庄市住宅开发建设公司 | A kind of electrical embedded box of fair-faced concrete and its construction method |
| CN112993833A (en) * | 2019-12-17 | 2021-06-18 | 柏诚工程股份有限公司 | Method for centralized installation of multiple power distribution cabinets of static pressure box |
| CN111749462A (en) * | 2020-07-06 | 2020-10-09 | 中核华辰建筑工程有限公司 | Circulating support device for wall-embedded concealed-assembly electric box and preparation process |
| CN115085091A (en) * | 2022-04-29 | 2022-09-20 | 中国十七冶集团有限公司 | Non-slotted laying construction method for guide pipe |
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