CN102493648B - 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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- CN102493648B CN102493648B CN 201110449915 CN201110449915A CN102493648B CN 102493648 B CN102493648 B CN 102493648B CN 201110449915 CN201110449915 CN 201110449915 CN 201110449915 A CN201110449915 A CN 201110449915A CN 102493648 B CN102493648 B CN 102493648B
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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 the masonry wall be with into.
Background technology
Architectural electricity pipe arrangement and the switchbox mounting method in masonry wall, present more employing are dug with the labour in the relevant position of the masonry wall that has laid and are 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, described case lid is installed on the casing, this case lid is equipped with panel, described panel is provided with operating grip and observation port, and described case lid utilizes hinge that chamber door is installed.
Chinese patent CN00214169.8 discloses a kind of slim embedded switchbox; constituted 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; fix a plurality of insulator praps on special-purpose junction box's rear wall, main line all is connected by corresponding insulator prap 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 by 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, the case lid middle part is provided with groove, door is fixedly arranged 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 arranges 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 the masonry wall 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 regulating of excessive deformation inner supporting device.
The described comb switchbox preposition pre-embedded construction method in the masonry wall 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 distribution pipe and switchbox are firmly fixed, reach the target that switchbox accurately buries installation.
In step 1), the assemble method of described interim adjustable support platform is as follows: choose steel plate, and the relevant position welds 4 bolts by weld seam below steel plate.And the rotation of 4 adjustable nuts is inserted in bolt, divide two-layer fixing 4 steel pipe vertical rod welding by 4 short steel pipes that connect with 4 long steel pipes that are connected, then 4 bolts are inserted 4 steel pipe vertical rod inside simultaneously, finish the assembling of whole interim adjustable support platform.
The accurate positioning method of described interim adjustable support platform is as follows: the position that whole interim adjustable support platform is placed on 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, by 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 of intending installing switchbox, and the surface level absolute altitude of described steel plate just is that the concrete grammar of the bottom surface design level absolute altitude of plan installation switchbox can be by the level gauge of building surveying, instruments such as steel ruler carry out high process control.
The concrete grammar that plan installation switchbox accurately is positioned at above the interim adjustable support platform is as follows: switchbox is placed on above the steel plate of the interim adjustable support platform of adjusting absolute altitude.Mobile switchbox on steel plate makes 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 described installation switchbox top is as follows: the distribution pipe in a row connection on top is fixed between ceiling or roofing and the switchbox.
In step 3), the concrete grammar that described switchbox bottom distribution pipe in a row is installed is as follows: at first by adjusting 4 adjustable nuts the steel plate height is descended and the switchbox disengaging, then interim adjustable support platform is removed, switchbox hangs by already installed top distribution pipe in a row.The distribution pipe in a row connection of bottom is fixed between flooring or ground and the switchbox, when the distribution pipe is installed, will guarantees that the locus of switchbox adheres to specification.
In step 4), the horizontal connection method of described reinforcing bar is as follows: use
Reinforcing bar is made the connecting reinforcement of horizontal direction,
The length that the length control of reinforcing bar requires to imbed masonry wall is greater than 500mm.Levels
Distance between the reinforcing bar also is 500mm, and switchbox all arranges up and down
Reinforcing bar,
Reinforcing bar is fixed on the distribution pipe by affixed point (firm with the iron wire colligation when distribution pipe and distribution pipe are 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 as follows: build masonry wall by laying bricks or stones, handle in building process
Reinforcing bar is fixed in the masonry wall, thereby by
Reinforcing bar is fixed top distribution pipe in a row and bottom distribution pipe in a row.
The method of system of enfeoffment building mould is as follows: be pressed in the masonry wall both sides that laid with construction formwork, reserve in the template that the switchbox side is arranged that the 1st concrete is built mouthful and the 2nd concrete is built 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.
In step 5), the described 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 as follows that described concrete is built the method for reserving the position: build reserved opening by the 1st concrete and the concrete of switchbox bottom is built finish, then the 1st concrete is built reserved opening 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 fixing method of template is as follows: offer wearing circular hole in template, and the plastic bushing of diameter 20mm is passed circular hole, the length that plastic bushing exposes template is about 5mm,
Split bolt pass plastic bushing.Fasten two with butterfly
Steel pipe, fastening nut then.Thereby guarantee by butterfly withhold two
Steel pipe is pressed on above the template; Template firmly is fixed on the masonry wall of having built by laying bricks or stones, thereby forms the firm of template system, and in switchbox, settle and to regulate pre-buried distribution casing inner supporting device;
Described regulate pre-buried distribution casing inner supporting device be provided with horizontal steel pipe assembly, go up the steel pipe assembly, down the steel pipe assembly, down supporting plate, left supporting plate, go up supporting plate, right supporting plate; The described 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 described 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, 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, described 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.
Describedly go up the steel pipe assembly and play steel pipe assembly is fixed on the horizontal steel pipe assembly, the upper end of going up the lower end of steel pipe assembly and following steel pipe assembly can be welded on the upper and lower both sides, middle part of horizontal steel pipe assembly respectively.
Described upper end of going up the steel pipe assembly is connected with last adjustable support member, can insert in the upper port that goes up the steel pipe assembly going up bolt.
The lower end of described steel pipe assembly down is affixed with following supporting plate, can will play the lower end of steel pipe assembly by weld seam and following supporting plate welding.
Described upward bolt is fixed in the bottom of supporting plate, can go up the bolt top by the bottom welding of weld seam and last supporting plate.
The few 60mm of the comparable switchbox insied width of the length of described horizontal steel pipe assembly.
Described half few 60mm that goes up the comparable switchbox inner height of length of steel pipe assembly.
Described half few 50mm of the comparable switchbox inner height of length of steel pipe assembly down.
Described right adjustable support member also can be located at the left end of horizontal steel pipe assembly.
After adopting the present invention, but by saving support platform by Heibei provincial opera, auxiliary accurate measurement and positioning: and utilize the three-dimensional orientation level gauge to determine the plan-position of switchbox; Simultaneously, adopt level gauge and identify steel ruler, by adjusting the bottom fine adjustment platform of interim support platform, the locus of switchbox is accurately navigated to design attitude temporarily.
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 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.
Compare by the technology of digging the masonry wall of having built by laying bricks or stones with existing other, the present invention not only economizes on resources, and recruitment is also more reasonable, and the quality of masonry wall can not cut a hole the mass defect that produces body of wall because 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 more and more higher, 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 construction technology all exists local use unreasonable.Market therefore of the present invention uses prospect vast.
Compare with existing other similar rigidity inner support, of the present invention regulate pre-buried distribution casing inner supporting device comparatively practical reliable, draw materials conveniently, make simple, easy to use, respond well.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 schematic diagram.
Fig. 2 is that support platform is regulated drawing.
Fig. 3 is switchbox location schematic diagram.
Fig. 4 is switchbox top distribution pipe in a row scheme of installation.
Fig. 5 is that interim adjustable support platform is removed schematic diagram.
Fig. 6 is 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 schematic diagram by laying bricks or stones.
Fig. 9 is envelope template schematic diagram.
Figure 10 is template fixed system schematic diagram.
Figure 11 is 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 schematic diagram that finishes.
Figure 14 is that template system is removed and plastic pipe is filled the schematic diagram that finishes.
Figure 15 is that the structure that can regulate pre-buried distribution casing inner supporting device is formed schematic diagram.
The specific embodiment
Following examples will the present invention is further illustrated by reference to the accompanying drawings.
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: as shown in Figure 1 and Figure 2, choose steel plate 1, and the relevant position welds 4 bolts 2 by weld seam 4 below steel plate.And 4 adjustable nuts 3 rotation is inserted in bolt 2.Short to connect steel pipes 6 two-layer 4 steel pipe vertical rods, 5 welding fixing (bulk requires 4 bolts 2 can insert 4 steel pipe vertical rod 5 inside simultaneously respectively) with 4 long steel pipes 7 minutes of being connected by 4.Then 4 bolts 2 are inserted 4 steel pipe vertical rod 5 inside simultaneously.Whole interim adjustable support platform assembling is finished.
Interim adjustable support platform is accurately located: as Fig. 1, Fig. 2 and shown in Figure 3, whole interim adjustable support platform is placed on 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).By 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 the bottom surface design level absolute altitude of intending installing switchbox 10 (carrying out high process control by instruments such as the level gauge of building surveying, steel rulers).
Intending installing switchbox accurately is positioned at above the interim adjustable support platform: as shown in Figure 3, switchbox 10 is placed on above the steel plate 1 of the interim adjustable support platform of adjusting absolute altitude.Mobile switchbox 10 on steel plate 1 makes 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 as follows: as shown in Figure 4, distribution pipe 11 connections in a row on top are fixed 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 described switchbox bottom distribution pipe in a row is installed is as follows: as Fig. 2, Fig. 4, Fig. 5, shown in Figure 6, at first by adjusting 4 adjustable nuts 3 steel plate 1 is highly descended and switchbox 10 disengagings, then interim adjustable support platform is removed.Switchbox 10 hangs by already installed top distribution pipe 11 in a row.Distribution pipe 12 connections in a row of bottom are fixed 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 described degree of depth that stretches in the masonry wall can be 500mm; Described reinforcing bar can adopt
Reinforcing bar.
The method that horizontal connecting reinforcement is installed is as follows: as Fig. 7, shown in Figure 8, use
Reinforcing bar 13 is made the connecting reinforcement of horizontal direction,
The length that the length control of reinforcing bar 13 requires to imbed masonry wall 15 is greater than 500mm.Levels
Distance between the reinforcing bar 13 also is 500mm, and switchbox 10 all arranges up and down
Reinforcing bar 13.
Reinforcing bar 13 is fixed on distribution pipe 11 by affixed point 14 (firm with the iron wire colligation when distribution pipe 11 and distribution pipe 12 are plastic pipe, 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 as follows: as shown in Figure 8, build masonry wall 15 by laying bricks or stones, handle in building process
Reinforcing bar 13 is fixed in the masonry wall.Thereby by
Reinforcing bar 13 is fixed top distribution pipe 11 in a row and bottom distribution pipe 12 in a row.
The method of system of enfeoffment building mould is as follows: as shown in Figure 9, be pressed in masonry wall 15 both sides that laid with construction formwork 16.Build mouthful the 17 and the 2nd concrete at template reservation the 1st concrete that switchbox 10 sides are arranged and build mouth 18, guarantee 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 described 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 fixing method of template is as follows: as Figure 10, Figure 11 and shown in Figure 12, offer wearing circular hole in template, and the plastic bushing 20 of diameter 20mm is passed circular hole, the length that plastic bushing 20 exposes template 16 is about 5mm,
Split bolt 21 pass plastic bushing 20.Fasten two with butterfly button 23
Steel pipe 22, fastening nut 24 then.Thereby guarantee by butterfly button 23 push down two
Steel pipe 22 is pressed on above the template.Template firmly is fixed on the masonry wall 15 of having built by laying bricks or stones, thereby forms the firm of template system.And arrangement can be regulated pre-buried distribution casing inner supporting device 19 (referring to Figure 15) in switchbox 10.
6) build concrete distribution pipe and switchbox are firmly fixed, reach the target that switchbox accurately buries installation.
It is as follows that concrete is built the method for reserving the position: as Figure 10 and Figure 13, build reserved opening 17 by the 1st concrete and the concrete of switchbox bottom is built finish, then the 1st concrete is built reserved opening 17 usefulness iron nails and template 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: as Figure 10, Figure 11, Figure 12, Figure 13 and shown in Figure 14, and stripping 16 and fixed system thereof after concrete 26 condenses (nut 24, butterfly button 23, two
Steel pipe 22, split bolt 21), and pre-buried plastic bushing 20 is cut flat along body of wall, 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, described regulate pre-buried distribution casing inner supporting device be provided with horizontal steel pipe assembly 151, go 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 described 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 described 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, described 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.
Described upper end of going up steel pipe assembly 152 is connected with last adjustable support member, can insert in the upper port that goes up steel pipe assembly 152 going up bolt 1511.Lower end and the following supporting plate 156 of described steel pipe assembly 153 down are affixed, can play the lower end of steel pipe assembly 153 by weld seam 157 and following supporting plate 156 welding.Described upward bolt 1511 is fixed in the bottom of supporting plate 1510, can go up bolt 1511 tops by 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 described horizontal steel pipe assembly 151.Described half few 60mm that goes up the comparable switchbox inner height of length of steel pipe assembly 152; Described half few 50mm of the comparable switchbox inner height of length of steel pipe assembly 153 down.
Described right adjustable support member also can be located at the left end of horizontal steel pipe assembly 151.
Claims (6)
1. be with into comb switchbox preposition pre-embedded construction method in the masonry wall, 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 distribution pipe and switchbox are firmly fixed, reach the target that switchbox accurately buries installation.
2. the comb switchbox preposition pre-embedded construction method in the masonry wall of being with into as claimed in claim 1, it is characterized in that in step 1), the assemble method of described interim adjustable support platform is as follows: choose steel plate, and the relevant position welds 4 bolts by weld seam below steel plate, and the rotation of 4 adjustable nuts is inserted in bolt, divide two-layer fixing 4 steel pipe vertical rod welding by 4 short steel pipes that connect with 4 long steel pipes that are connected, then 4 bolts are inserted 4 steel pipe vertical rod inside simultaneously, finish the assembling of whole interim adjustable support platform;
The accurate positioning method of described interim adjustable support platform can be: the position that whole interim adjustable support platform is placed on 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, by 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 of intending installing switchbox, and the surface level absolute altitude of described steel plate just is that the concrete grammar of the bottom surface design level absolute altitude of plan installation switchbox can be by the level gauge of building surveying, the steel ruler instrument carries out high process control;
The concrete grammar that plan installation switchbox accurately is positioned at above the interim adjustable support platform can be: switchbox is placed on above the steel plate of the interim adjustable support platform of adjusting absolute altitude.Mobile switchbox on steel plate makes its plan-position just at design attitude, and 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 the masonry wall 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 described installation switchbox top is as follows: the distribution pipe in a row connection on top is fixed between ceiling or roofing and the switchbox.
4. the comb switchbox preposition pre-embedded construction method in the masonry wall of being with into as claimed in claim 1 is characterized in that in step 4) the horizontal connection method of described reinforcing bar is as follows: use
Reinforcing bar is made the connecting reinforcement of horizontal direction,
The length that the length control of reinforcing bar requires to imbed masonry wall is greater than 500mm, levels
Distance between the reinforcing bar is 500mm, and switchbox all arranges up and down
Reinforcing bar,
Reinforcing bar is fixed on the distribution pipe by 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, handle in building process
Reinforcing bar is fixed in the masonry wall, thereby by
Reinforcing bar is fixed top distribution pipe in a row and bottom distribution pipe in a row;
The method of system of enfeoffment building mould can be: be pressed in the masonry wall both sides that laid with construction formwork, reserve in 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.
5. the comb switchbox preposition pre-embedded construction method in the masonry wall of being with into as claimed in claim 1 is characterized in that in step 5), described by template fixed system distribution control box to go out the wall degree identical with the depth of plastering of body of wall.
6. the comb switchbox preposition pre-embedded construction method in the masonry wall of being with into as claimed in claim 1, it is characterized in that in step 6), it is as follows that described concrete is built the method for reserving the position: build reserved opening by the 1st concrete and the concrete of switchbox bottom is built finish, then the 1st concrete is built reserved opening 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 fixing method of template is: offer wearing circular hole in template, and the plastic bushing of diameter 20mm is passed circular hole, the length that plastic bushing exposes template is about 5mm,
Split bolt pass plastic bushing, fasten two with butterfly
Steel pipe, fastening nut then, guarantee by butterfly withhold two
Steel pipe is pressed on above the template; Template firmly is fixed on the masonry wall of having built by laying bricks or stones, forms the firm of template system, and in switchbox, settle and to regulate pre-buried distribution casing inner supporting 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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| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171233A (en) * | 2017-06-23 | 2017-09-15 | 陕西建工第三建设集团有限公司 | Built a wall after building concealed distribution box one-time-reach-place installation method |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103208762B (en) * | 2013-04-19 | 2015-07-15 | 成都市第二建筑工程公司 | Embedded mounting method for distribution box and construction method |
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| CN107171233A (en) * | 2017-06-23 | 2017-09-15 | 陕西建工第三建设集团有限公司 | Built a wall after building concealed distribution box one-time-reach-place installation method |
| CN107171233B (en) * | 2017-06-23 | 2019-01-04 | 陕西建工第三建设集团有限公司 | It builds a wall after building concealed distribution box one-time-reach-place installation method |
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