CN111576867A

CN111576867A - Electric well pre-buried assembly type groove box and construction method thereof

Info

Publication number: CN111576867A
Application number: CN202010557758.0A
Authority: CN
Inventors: 王伟; 李军利; 芦涛; 张瑞利; 王民强; 朱斌; 任阿祥; 王鑫
Original assignee: SCEGC No 6 Construction Engineering Group Co Ltd
Current assignee: SCEGC No 6 Construction Engineering Group Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-08-25
Anticipated expiration: 2040-06-18
Also published as: CN111576867B

Abstract

The invention discloses an electric well pre-buried assembled groove box and a construction method thereof, wherein the electric well pre-buried assembled groove box comprises a plurality of pre-buried section groove boxes and a prefabricated connecting section groove box which are connected with each other, and the prefabricated connecting section groove box is a T-shaped groove box matched with a distribution box; the construction method comprises the steps of firstly, prefabricating and processing a pre-buried section groove box and a prefabricated connecting section groove box; positioning a pre-buried section slot box; thirdly, positioning and paying off the template, and processing holes; step four, mounting a pre-buried section groove box; step five, disassembling the temporary connecting section groove box; sixthly, mounting a groove box bracket; and seventhly, mounting the prefabricated connecting section groove box. According to the invention, the groove boxes and the main structure of the building are constructed synchronously, so that not only can the groove boxes be accurately positioned, but also batch prefabrication processing can be carried out in a factory, the processing quality of the groove boxes can be effectively improved, the construction cost can be effectively reduced, the construction period can be shortened, the construction quality can be ensured, and the site environmental pollution is less.

Description

Electric well pre-buried assembly type groove box and construction method thereof

Technical Field

The invention belongs to the technical field of electromechanical installation of building construction, and particularly relates to an electric well pre-embedded assembly type groove box and a construction method thereof.

Background

With the vigorous development of the construction industry, the requirements of construction standards and environmental protection of building installation projects are increasingly improved. In the groove box installation construction process in the electric shaft, the traditional method comprises the complex procedures of hole reservation of a cast-in-place plate, hole checking and correction, on-site measurement, groove box processing, groove box installation, formwork support, hole hoisting in different times and the like. The groove box installation in traditional electric shaft is because block terminal is more in quantity, and the size is great, the pipeline is more reason such as, and the spot measurement preparation groove box accessory is adopted in the groove box installation, cuts the great loss that has led to the fact the material on the one hand, and on the other hand all increased construction cost in labour, construction machinery and consumptive material use.

Therefore, it is necessary to design a trough box and a construction method thereof, which are convenient to install and efficient in construction, so that the trough box can be constructed and molded together with a building main body.

Disclosure of Invention

The invention aims to solve the technical problem that the defects in the prior art are overcome, and the invention provides the electric well pre-buried assembled groove box, which is characterized in that the groove box and the main structure of a building are constructed synchronously by mounting the pre-buried section groove box in advance in a concrete structural slab, so that the groove box can be accurately positioned, batch prefabrication processing can be carried out in a factory, the processing quality of the groove box can be effectively improved, the defects of field manufacturing are avoided, and the smoothness and no burrs in the groove box can be ensured; the groove box does not need to reserve the hole on the concrete structure board during installation, can avoid processes such as maintaining, picking and chiseling, hanging hole formwork, diluting concrete and pouring, can effectively reduce construction cost, under the condition of guaranteeing construction quality, have that the installation is convenient, on-the-spot environmental pollution is few, practice thrift manual work, material cost, advantage such as reduction construction period.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a pre-buried assembled groove box of electric well which characterized in that: comprises a plurality of embedded section groove boxes which are embedded in a multi-layer concrete structural slab of a building from top to bottom in sequence, the upper ends of the embedded section groove boxes extend to the upper parts of the corresponding concrete structural slabs, the lower ends of the embedded section groove boxes extend to the lower parts of the corresponding concrete structural slabs, the upper end of each embedded section groove box is connected with a prefabricated connecting section groove box, the prefabricated connecting section groove boxes are T-shaped groove boxes matched with the distribution box, two embedded section groove boxes which are adjacent up and down are mutually communicated through the prefabricated connecting section groove boxes, the prefabricated connecting section groove box and an embedded section groove box close to the upper end of the prefabricated connecting section groove box are connected through a groove box expansion joint, the prefabricated connecting section groove box and an embedded section groove box close to the lower end of the prefabricated connecting section groove box are connected through a connecting plate, and the prefabricated connecting section groove boxes are fixedly connected with a wall body on one side of the building through a plurality of groove box brackets.

Foretell electric well pre-buried assembled groove box, its characterized in that: the embedded section groove box is a rectangular cylindrical groove box, the prefabricated connecting section groove box comprises a vertical prefabricated groove box and a horizontal prefabricated groove box, the vertical prefabricated groove box is a rectangular cylindrical groove box matched with the embedded section groove box, one embedded section groove box is connected to each of two ends of the vertical prefabricated groove box, and one end of the horizontal prefabricated groove box is connected to the middle of the vertical prefabricated groove box and is communicated with the vertical prefabricated groove box.

Foretell electric well pre-buried assembled groove box, its characterized in that: the groove box telescopic joint is a sleeve which is sleeved between the lower end of the embedded section groove box and the upper end of the prefabricated connecting section groove box, and the groove box telescopic joint and the embedded section groove box and the groove box telescopic joint and the prefabricated connecting section groove box are connected through a plurality of fasteners.

Foretell electric well pre-buried assembled groove box, its characterized in that: two first vertical waist shape holes that supply the fastener to pass are seted up respectively to the both sides of groove box telescopic joint, first vertical waist shape hole is seted up along the direction of height of groove box telescopic joint, two horizontal waist shape punch combination with first vertical waist shape hole matched with, every row are seted up respectively to the both sides lower extreme of pre-buried section groove box and the both sides upper end of prefabricated connecting segment groove box horizontal waist shape punch combination on the pre-buried section groove box all includes a plurality of first horizontal waist shape holes, first horizontal waist shape hole on the pre-buried section groove box is seted up along the width direction of pre-buried section groove box, first horizontal waist shape hole on the prefabricated connecting segment groove box is seted up along the width direction of prefabricated connecting segment groove box, every row a plurality of fasteners that horizontal waist shape punch combination corresponds are all installed at same first vertical waist shape downthehole.

Foretell electric well pre-buried assembled groove box, its characterized in that: the lower end of the prefabricated connecting section groove box is closely attached to the upper end of an embedded section groove box at the lower end of the prefabricated connecting section groove box, a connecting plate is respectively arranged at the lower ends of two sides of the prefabricated connecting section groove box, the connecting plate is closely attached to the outer sides of the embedded section groove box and the prefabricated connecting section groove box, the upper portion of the connecting plate is connected to the lower end of one side of the prefabricated connecting section groove box through a plurality of fasteners, and the lower portion of the connecting plate is connected to the upper end of one side of the embedded section groove box through a plurality of fasteners.

Foretell electric well pre-buried assembled groove box, its characterized in that: a plurality of second horizontal waist shape holes have all been seted up to the both sides upper end of pre-buried section groove box and the both sides lower extreme of prefabricated connecting segment groove box, set up a plurality ofly on the connecting plate with the horizontal waist shape hole matched with second vertical waist shape hole, the vertical waist shape hole of second is seted up along the direction of height of connecting plate.

Foretell electric well pre-buried assembled groove box, its characterized in that: the groove box support is a bending plate with a groove shape formed by bending the middle part to one side, the middle part of the groove box support is connected with the prefabricated connecting section groove box through a locking part, and the two ends of the groove box support are connected with a wall body through the locking part.

Meanwhile, the invention also discloses a construction method of the pre-buried assembled type groove box of the electric well, which is characterized by comprising the following steps:

step one, prefabricating and processing the embedded section groove box and the prefabricated connecting section groove box: calculating and drawing processing drawings of the embedded section groove boxes and the prefabricated connecting section groove boxes according to a design drawing of the electric well, and processing the embedded section groove boxes and the prefabricated connecting section groove boxes in batches in a factory according to the processing drawings of the embedded section groove boxes and the prefabricated connecting section groove boxes;

step two, positioning of the embedded section groove box: determining the installation position of an embedded section groove box in the electric well according to a design drawing of the electric well, embedding a positioning steel plate on a reinforcement cage on the ground of the electric well at the bottommost layer, punching four reference points on the positioning steel plate through accurate measurement according to the arrangement position of the embedded section groove box in the electric well, wherein the positions of the reference points coincide with the longitudinal projection positions of the embedded section groove box at four corners in the electric well;

step three, positioning and paying off the template, and processing holes: measuring the positions of the groove box mounting holes on the bottom template corresponding to each layer of concrete structural slab by using the beam template and the column template according to a design drawing, positioning and scribing on the bottom template, and forming the groove box mounting holes at the scribing positions on the bottom template by using a cutting machine;

step four, the installation of pre-buried section groove box, pre-buried section groove box and the structural subject of building are under construction the shaping together, when carrying out the installation of a plurality of pre-buried section groove boxes, install a plurality of pre-buried section groove boxes one by supreme down, regard a pre-buried section groove box below as first pre-buried section groove box, and concrete process is as follows:

step 401, fixing a first embedded section groove box, wherein the process is as follows:

step 4011, placing an embedded section slot box into a slot box installation hole formed in a first layer bottom template, wherein a circle of anchoring plate for limiting the embedded section slot box is arranged on the outer side of the embedded section slot box;

step 4012, measuring the concrete pouring thickness of the concrete structural slab from the upper end surface of the bottom template upwards, marking the concrete pouring thickness on the outer side of the embedded section groove box, and wrapping and protecting the exposed part of the embedded section groove box above the concrete pouring thickness mark by using a plastic film and a geotextile felt;

step 4013, a cross-shaped supporting member with adjustable size is supported on the inner side of the upper end of the first embedded section groove box, concrete is poured on the first layer of bottom template to form a concrete structural plate, and the upper end surface of the concrete structural plate is flush with a concrete pouring thickness mark on the embedded section groove box;

step 402, installing the temporary connecting section groove box: after the concrete of the concrete structural slab corresponding to the previous embedded section groove box reaches initial setting, connecting a temporary connecting section groove box on the previous embedded section groove box through a connecting plate, wherein the height of the temporary connecting section groove box is equal to that of the prefabricated connecting section groove box, and the shape and the size of the cross section of the temporary connecting section groove box are the same as those of the cross section of the embedded section groove box;

step 403, fixing the next embedded section groove box: placing an embedded section groove box into a groove box mounting hole formed in a subsequent layer bottom template, connecting the lower end of the embedded section groove box which is not poured and embedded with the upper end of a temporary connection section groove box through a groove box expansion joint, fixedly connecting an anchoring plate on the embedded section groove box with the bottom template by adopting a self-tapping screw, regarding the next embedded section groove box as a first embedded section groove box, repeating the steps 4012 to 4013, and pouring concrete on the subsequent layer bottom template to form a concrete structural plate;

step 404, repeating the steps 402 to 403 until the installation of the embedded section groove boxes on all floors is completed;

step five, disassembling the temporary connecting section groove box: sequentially removing all the temporary connecting section groove boxes from bottom to top;

step six, installing a groove box bracket: after the secondary structure of the building and the plastering and plastering project are finished, determining the center line of the embedded section groove box which is embedded completely by using a method of pulling through a line, and installing a plurality of groove box brackets on the wall body corresponding to each prefabricated connecting section groove box from top to bottom according to the center line of the embedded section groove box which is embedded completely;

seventhly, mounting the prefabricated connecting section groove box: a prefabricated connecting section groove box is connected between two adjacent embedded section groove boxes and on the upper portion of an embedded section groove box on the uppermost layer to form an embedded assembly type groove box, and the prefabricated connecting section groove box and the wall body are connected through locking pieces between a plurality of groove box supports corresponding to the prefabricated connecting section groove box and the wall body.

The above method is characterized in that: step 401, before the anchoring plate is fixedly connected with the bottom formwork, detecting the installation position of the embedded section slot box through a suspension wire, and when the installation position of the embedded section slot box deviates from four reference points on the positioning steel plate, vibrating and adjusting the embedded section slot box until the installation position of the embedded section slot box is correct; when the mounting position of the embedded section groove box is correct, namely the mounting position of the embedded section groove box and four reference points on the positioning steel plate are not deviated, firstly, a self-tapping screw is adopted to preliminarily connect the anchoring plate on one side of the embedded section groove box with the bottom template, then, a horizontal ruler is used to measure the verticality and the height deviation of the embedded section groove box and carry out fine adjustment and correction, and after the verticality and the height deviation of the embedded section groove box are corrected accurately, the self-tapping screw is adopted to finally connect the anchoring plates on the other three sides of the embedded section groove box with the bottom template.

The above method is characterized in that: when adjacent two-layer the concrete of concrete structure board all solidifies 48h after, demolishs adjacent two-layer temporary connection section groove box between the concrete structure board, establishes a safety cover simultaneously at the pre-buried section groove box's of temporary connection section groove box lower part upper end cover.

Compared with the prior art, the invention has the following advantages:

1. according to the electric well pre-buried assembly type groove box, the pre-buried assembly type groove box is formed by connecting the pre-buried section groove boxes and the prefabricated connecting section groove box, meanwhile, the pre-buried section groove box and the concrete structural slab are synchronously constructed and pre-buried in the concrete structural slab, when the groove box is installed, only the prefabricated connecting section groove box and the pre-buried section groove box are connected, the situation that when the traditional groove box is installed on a concrete structural slab, holes are reserved or opened, and holes are hung for hole patching is avoided, the construction speed can be greatly improved, the labor cost is saved, and the electric well pre-buried assembly type groove box is environment-friendly and energy-saving.

2. According to the electric well pre-buried assembly type groove box, the prefabricated connecting section groove box is a T-shaped groove box, so that the distribution box can be assembled conveniently, measurement according to the position of the distribution box is not needed, and then the groove box is processed on site according to the measurement size, so that the construction efficiency can be effectively improved, and meanwhile, the installation accuracy of the groove box is ensured.

3. According to the electric well pre-buried assembly type groove box, the lower end of the pre-buried section groove box is connected with the upper end of the prefabricated connecting section groove box through the groove box expansion joint, a certain gap can be formed between the lower end of the pre-buried section groove box and the upper end of the prefabricated connecting section groove box, the assembly difficulty of the pre-buried assembly type groove box is reduced, the electric well pre-buried assembly type groove box is convenient to assemble, meanwhile, the electric well pre-buried assembly type groove box can serve as an expansion joint, and the service life of the whole pre-buried assembly type groove box can be prolonged.

4. According to the electric well pre-buried assembly type groove box, the prefabricated connecting section groove box is tightly connected with one side wall of a building through the plurality of groove box supports, so that the stability of the prefabricated connecting section groove box can be improved, the possibility of bending deformation of the prefabricated connecting section groove box is reduced, and the structural strength of the whole pre-buried assembly type groove box can be effectively guaranteed.

5. The construction method adopted by the invention can effectively improve the construction efficiency by constructing and molding the embedded section groove box and the structural main body of the building together without reserving holes on the concrete structural slab, and can avoid the processes of trimming, chiseling, hanging holes and supporting a mold, diluting concrete and pouring and the like during the subsequent construction of the electric well groove box, thereby being environment-friendly, energy-saving, saving materials, reducing the cost, saving the labor cost, reducing the consumption of materials, avoiding the defects of on-site manufacture and ensuring that the interior of the groove box is smooth and has no burrs.

6. According to the construction method, the positioning steel plate is arranged at the bottom of the electric well, the positions of four datum points on the positioning steel plate are overlapped with the longitudinal projection positions of four corners of the embedded section groove box after the embedded section groove box is positioned in the electric well, when the embedded section groove box on the upper layer is embedded, the overlapping degree of the four corners of the embedded section groove box and the four datum points on the positioning steel plate on the lowest layer can be checked through the suspension wires, and the positioning accuracy of the embedded section groove box in the electric well is guaranteed.

7. According to the construction method, the lower-layer poured and embedded section groove box and the upper-layer embedded section groove box are connected through the temporary connecting section groove box, so that the effect of preventing the embedded section groove box from being offset and dislocated in the concrete pouring process of the upper-layer concrete structural slab can be achieved, and the accuracy of the relative position of the two adjacent embedded section groove boxes is ensured.

In conclusion, the embedded section groove boxes are installed in the concrete structural slab in advance, so that the groove boxes and the main structure of a building are constructed synchronously, the groove boxes can be accurately positioned, batch prefabrication processing can be performed in a factory, the processing quality of the groove boxes can be effectively improved, the defect of field manufacturing is overcome, and the groove boxes can be guaranteed to be flat and free of burrs; the groove box does not need to reserve the hole on the concrete structure board during installation, can avoid processes such as maintaining, picking and chiseling, hanging hole formwork, diluting concrete and pouring, can effectively reduce construction cost, under the condition of guaranteeing construction quality, have that the installation is convenient, on-the-spot environmental pollution is few, practice thrift manual work, material cost, advantage such as reduction construction period.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural view of an electric well pre-buried assembled slot box of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is an enlarged view of fig. 1 at B.

Fig. 4 is a schematic structural diagram of a pre-buried segment slot box of the present invention.

Fig. 5 is a schematic view of the construction of a prefabricated connecting segment cassette according to the present invention.

FIG. 6 is a schematic view of the connection structure of the prefabricated connecting section trough box and the wall body.

Fig. 7 is a schematic structural view of the trough box bracket of the invention.

Fig. 8 is a cross-sectional view C-C of fig. 7.

Fig. 9 is a schematic structural view of the telescopic joint of the trough box of the invention.

Fig. 10 is a schematic structural view of the connecting plate of the present invention.

Fig. 11 is a schematic view of the mounting structure of the distribution box of the present invention.

FIG. 12 is a schematic structural view of a positioning steel plate according to the present invention.

Fig. 13 is a schematic view of a connection structure of the embedded section slot box and the bottom template of the invention.

Fig. 14 is a schematic view of the installation structure of the cross support member in the embedded section slot box.

Fig. 15 is a schematic view of an installation structure of the temporary connection segment slot cassette of the present invention.

FIG. 16 is a flow chart of the construction method of the present invention.

Description of reference numerals:

1-concrete structural slab; 2, pre-embedding a section groove box; 2-1-an anchor plate;

3, prefabricating a connecting section groove box; 3-1-vertical prefabricated groove box; 3-2-horizontal prefabricated groove boxes;

4, a distribution box; 5, a groove box expansion joint; 6, connecting plates;

7-a cell box support; 7-1-perforation of the locking piece; 8, a fastener;

9-a first vertical kidney-shaped hole; 10-a first transverse waist-shaped aperture; 11-a second transverse waist-shaped aperture;

12-a second vertical kidney-shaped hole; 13-a locking member; 14-a screw rod;

15-a nut; 16-self-tapping screw; 17-temporary connecting section groove box;

18-cushion block; 19, positioning a steel plate; 19-1-datum;

20-bottom template.

Detailed Description

As shown in fig. 1 to 11, an electric well pre-embedded assembly type slot box comprises a plurality of pre-embedded section slot boxes 2 pre-embedded in a multi-layer concrete structural slab 1 of a building from top to bottom, the upper ends of the pre-embedded section slot boxes 2 extend to the upper portions of the concrete structural slab 1 corresponding to the pre-embedded section slot boxes, the lower ends of the pre-embedded section slot boxes 2 extend to the lower portions of the concrete structural slab 1 corresponding to the pre-embedded section slot boxes, the upper end of each pre-embedded section slot box 2 is connected with a prefabricated connecting section slot box 3, each prefabricated connecting section slot box 3 is a T-shaped slot box matched with a distribution box 4, two vertically adjacent pre-embedded section slot boxes 2 are communicated with each other through the prefabricated connecting section slot box 3, the prefabricated connecting section slot box 3 is connected with one pre-embedded section slot box 2 close to the upper end of the pre-embedded section slot box through a prefabricated slot box expansion joint 5, the prefabricated connecting section slot box 3 is connected with one pre-embedded section slot box 2 close to the lower end of, the prefabricated connecting section groove boxes 3 are fixedly connected with a wall body on one side of the building through a plurality of groove box brackets 7.

During the in-service use, through linking together a plurality of pre-buried section groove boxes 2 and prefabricated linkage segment groove box 3 and form a pre-buried assembled groove box, pre-buried section groove box 2 is simultaneously under construction with concrete structure board 1 synchronization and pre-buried inside concrete structure board 1, when carrying out the installation of groove box, only need carry on prefabricated linkage segment groove box 3 and pre-buried section groove box 2 be connected can, traditional groove box has been avoided installing when wearing the floor, will pass through reservation hole or opening a hole, hang the hole and mend the hole, construction speed can be improved greatly, the labor cost is saved, environmental protection and energy saving.

It should be noted that, through being the T shape groove box with prefabricated linkage segment groove box 3, the assembly of block terminal 4 of being convenient for need not be according to 4 position measurement of block terminal, then according to the on-the-spot groove box of processing of measurement size, can effectively improve the efficiency of construction, ensures groove box installation accuracy simultaneously.

In this embodiment, connect the lower extreme of pre-buried section groove box 2 and the upper end of prefabricated linkage segment groove box 3 through groove box telescopic joint 5, can make and have certain gap between the lower extreme of pre-buried section groove box 2 and the upper end of prefabricated linkage segment groove box 3, help reducing the assembly degree of difficulty of pre-buried assembled groove box, the assembly of being convenient for can regard as the expansion joint simultaneously, and then can improve the life of whole pre-buried assembled groove box.

In this embodiment, pre-buried section groove box 2 and prefabricated linkage segment groove box 3 all are vertical the laying, and a plurality of groove box supports 7 that every prefabricated linkage segment groove box 3 corresponds lay along the direction of height of prefabricated linkage segment groove box 3 in proper order, one side cell wall that keeps away from the wall body on the prefabricated linkage segment groove box 3 sets up to detachable T shape cell wall, is convenient for carry out the assembly of pre-buried section groove box 2 and prefabricated linkage segment groove box 3.

During the in-service use, through a plurality of groove box supports 7 with prefabricated linkage segment groove box 3 and one side wall body fastening connection of building, can improve prefabricated linkage segment groove box 3's stability, and then reduce the prefabricated linkage segment groove box 3 and take place the possibility of buckling deformation, can effectively guarantee the structural strength of whole pre-buried assembled groove box.

In this embodiment, pre-buried section groove box 2 and prefabricated linkage segment groove box 3 can carry out batch production processing in the mill in advance, can effectively avoid the defect of scene preparation, can guarantee that the inside level and smooth no burr of groove box, cable bend radius satisfy the construction and accept the standard requirement, and the groove box connecting piece is few, and the straight precision of installation is high, simultaneously, can effectively improve groove box efficiency of construction.

As shown in fig. 4 and 5, in this embodiment, the pre-buried section groove box 2 is a rectangular cylindrical groove box, the prefabricated connection section groove box 3 includes a vertical pre-buried section groove box 3-1 and a horizontal pre-buried section groove box 3-2, the vertical pre-buried section groove box 3-1 is a rectangular cylindrical groove box matched with the pre-buried section groove box 2, two ends of the vertical pre-buried section groove box 3-1 are respectively connected with one pre-buried section groove box 2, and one end of the horizontal pre-buried section groove box 3-2 is connected to the middle of the vertical pre-buried section groove box 3-1 and is communicated with the vertical pre-buried section groove box 3-1.

During actual use, the horizontal prefabricated groove boxes 3-2 are parallel to the plate surface of the concrete structural slab 1, and the distribution box 4 is tightly attached to the lower sides of the horizontal prefabricated groove boxes 3-2 and fixed on a wall body, so that cables in the distribution box 4 can be conveniently assembled.

In this embodiment, a downward bevel angle is arranged at the lower part of one end of the horizontal prefabricated groove box 3-2 close to the vertical prefabricated groove box 3-1, so that the bending radius of the cable in the groove box meets the requirements of construction acceptance specifications.

During actual use, the horizontal prefabricated groove boxes 3-2 are connected to one side of the vertical prefabricated groove box 3-1 to form the prefabricated connecting section groove box 3, an installation space can be provided for the distribution box 4, the problems that the distribution box 4 is large in quantity, large in size, multiple in pipelines and the like in the traditional installation of the electric well inner groove box are solved, on one hand, the on-site measurement is adopted for manufacturing groove box accessories in the installation of the groove box, on the one hand, the cutting causes large material loss, and on the other hand, the construction cost is increased in labor force, construction machinery and consumable material use.

As shown in fig. 2, in this embodiment, the slot box expansion joint 5 is a sleeve that is sleeved between the lower end of the embedded section slot box 2 and the upper end of the prefabricated connecting section slot box 3, and the slot box expansion joint 5 and the embedded section slot box 2, and the slot box expansion joint 5 and the prefabricated connecting section slot box 3 are connected by a plurality of fasteners 8.

When the groove box expansion joint is actually used, the groove box expansion joint 5 is of a split assembly type structure consisting of the groove type connecting piece and the cover plate, the groove box expansion joint 5 is convenient to mount through the split assembly type structure, and the application range is wide.

In this embodiment, the fastening member 8 is preferably a self-tapping screw, the fastening member 8 is connected to the left and right sides of the telescopic joint 5 of the trough box, and one side of the telescopic joint 5 of the trough box, which is close to the wall, is regarded as the rear side.

As shown in fig. 4, 5 and 9, in this embodiment, two first vertical waist-shaped holes 9 for passing through the fastening member 8 are respectively formed on two sides of the slot-box expansion joint 5, the first vertical waist-shaped hole 9 is arranged along the height direction of the groove box expansion joint 5, two rows of transverse waist-shaped hole groups matched with the first vertical waist-shaped hole 9 are respectively arranged at the lower ends of the two sides of the embedded section groove box 2 and the upper ends of the two sides of the prefabricated connecting section groove box 3, each row of transverse waist-shaped hole group comprises a plurality of first transverse waist-shaped holes 10, the first transverse waist-shaped hole 10 on the embedded section slot box 2 is arranged along the width direction of the embedded section slot box 2, first horizontal waist shape hole 10 on the prefabricated linkage segment groove box 3 is seted up along the width direction of prefabricated linkage segment groove box 3, every row a plurality of fasteners 8 that horizontal waist shape punch combination corresponds all install in same first vertical waist shape hole 9.

During the in-service use, offer first vertical waist shape hole 9 through offering on groove box telescopic joint 5 and supply fastener 8 to pass, tolerable pre-buried section groove box 2 and prefabricated connecting segment groove box 3 have certain machining error, can reduce the installation degree of difficulty of groove box telescopic joint 5, simultaneously, application scope is extensive.

In this embodiment, through set up first horizontal waist shape hole 10 on pre-buried section groove box 2 and prefabricated linkage segment groove box 3 and supply fastener 8 to install, when first vertical waist shape hole 9 and the position of seting up in first horizontal waist shape hole 10 have little deviation, accessible adjustment fastener 8 is in first horizontal waist shape hole 10 internal position, accomplishes pre-buried section groove box 2 and prefabricated linkage segment groove box 3's assembly.

In this embodiment, the plurality of first transverse waist-shaped holes 10 in the transverse waist-shaped hole group are arranged on the same vertical line.

As shown in fig. 4, 5 and 10, in this embodiment, the lower end of the prefabricated connecting section slot box 3 is closely attached to the upper end of an embedded section slot box 2 at the lower end thereof, the lower ends of both sides of the prefabricated connecting section slot box 3 are respectively provided with a connecting plate 6, the connecting plates 6 are closely attached to the outer sides of the embedded section slot box 2 and the prefabricated connecting section slot box 3, the upper part of the connecting plate 6 is connected to the lower end of one side of the prefabricated connecting section slot box 3 through a plurality of fasteners 8, and the lower part of the connecting plate 6 is connected to the upper end of one side of the embedded section slot box 2 through a plurality of fasteners 8.

As shown in fig. 3, in actual use, in order to ensure the connection strength between the embedded section groove box 2 and the prefabricated connecting section groove box 3, two connecting plates 6 may be disposed at the joint between the embedded section groove box 2 and the prefabricated connecting section groove box 3, and the two connecting plates 6 are respectively disposed at the inner side and the outer side of the groove box, so as to effectively improve the structural strength of the joint between the embedded section groove box 2 and the prefabricated connecting section groove box 3.

In this embodiment, the connecting plate 6 is a rectangular steel plate.

In this embodiment, a plurality of second horizontal waist shape holes 11 have all been seted up to the both sides upper end of pre-buried section groove box 2 and the both sides lower extreme of prefabricated connecting segment groove box 3, set up a plurality ofly on the connecting plate 6 with the horizontal waist shape hole 11 matched with second vertical waist shape hole 12 of second, the vertical waist shape hole 12 of second is seted up along the direction of height of connecting plate 6.

In actual use, when the prefabricated connecting section groove box 3 is installed, the lower end of the prefabricated connecting section groove box 3 is arranged at the upper end of the embedded section groove box 2, meanwhile, the tight and tidy joint between the embedded section groove box 2 and the prefabricated connecting section groove box 3 is ensured, and then the position of the connecting plate 6 is adjusted to fix the embedded section groove box 2 and the prefabricated connecting section groove box 3; a certain telescopic gap is kept between the upper end of the prefabricated connecting section groove box 3 and the embedded section groove box 2 on the upper layer.

As shown in fig. 6 to 8, in this embodiment, the slot box bracket 7 is a bending plate with a middle portion bent to one side to form a slot shape, the middle portion of the slot box bracket 7 is connected with the prefabricated connecting segment slot box 3 through a locking member 13, and both ends of the slot box bracket 7 are connected with a wall through the locking member 13.

During the in-service use, the cell box support 7 adopts a steel sheet bending type to form, and the cell box support 7 includes middle cell type support and two flange plates that set up respectively in cell type support both sides, the flange plate is connected in the both sides outside of cell type support notch, and the flange plate parallels with the tank bottom of cell type support, and the groove depth of cell type support can be adjusted according to the distance between prefabricated linkage segment groove box 3 and the wall body in the cell box support 7.

In this embodiment, two flange plates of the trough box bracket 7 are respectively provided with a through hole 7-1 for a locking member, and the bottom of the trough-shaped bracket in the trough box bracket 7 is provided with two through holes 7-1 for the locking member; the locking elements 13 for fastening the cell holder 7 to the wall are preferably self-tapping screws, and the locking elements 13 for fastening the cell holder 7 to the prefabricated connecting section cell 3 are preferably bolts.

A method for constructing the electric well embedded assembly type slot box of the invention as shown in fig. 12 to 16 is characterized by comprising the following steps:

step one, prefabricating and processing the embedded section groove box and the prefabricated connecting section groove box: calculating and drawing processing drawings of the embedded section groove boxes 2 and the prefabricated connecting section groove boxes 3 according to a design drawing of the electric well, and processing the embedded section groove boxes 2 and the prefabricated connecting section groove boxes 3 in batches in a factory according to the processing drawings of the embedded section groove boxes 2 and the prefabricated connecting section groove boxes 3;

in actual use, before the construction of the groove box, the BIM technology is adopted for secondary design according to design requirements, the arrangement of electrical equipment in the electric well is optimized, and the embedded section groove box 2 and the prefabricated connecting section groove box 3 are accurately measured and processed; the defect of field manufacture is avoided, and the inside of the groove box is smooth and burr-free.

In this embodiment, pre-buried section groove box 2 and prefabricated linkage segment groove box 3 carry out batch processing in the mill in advance, can effectively shorten the engineering time, improve the efficiency of construction.

Step two, positioning of the embedded section groove box: determining the installation position of the embedded section groove box 2 in the electric well according to a design drawing of the electric well, embedding a positioning steel plate 19 on a reinforcement cage on the ground of the electric well at the bottommost layer as shown in fig. 12, punching four datum points 19-1 on the positioning steel plate 19 according to the arrangement position of the embedded section groove box 2 in the electric well through accurate measurement, wherein the positions of the datum points 19-1 are superposed with the longitudinal projection positions of the embedded section groove box 2 at four corners in the electric well;

during actual use, the positioning steel plate 19 is embedded according to the positioning position of the embedded section groove box 2 in the electric well, four datum points 19-1 are punched on the positioning steel plate 19, the longitudinal projection positions of the four corners of the embedded section groove box 2 after the four datum points 19-1 are positioned in the electric well are overlapped, when the embedded section groove box 2 on the upper layer is embedded, the overlapping degree of the four corners of the embedded section groove box 2 and the four datum points 19-1 on the positioning steel plate 19 on the lowest layer is checked through suspension wires, and the positioning accuracy of the embedded section groove box in the electric well is guaranteed.

In this embodiment, the four reference points 19-1 punched on the positioning steel plate 19 are all coated with red pigments, and are used as the pre-embedding accuracy reference of the pre-embedding section slot box 2 for later-stage inspection, and are also used as the installation accuracy reference of the prefabricated connecting section slot box 3, so that observation is facilitated.

Step three, positioning and paying off the template, and processing holes: measuring the positions of the groove box mounting holes on the bottom template 20 corresponding to each layer of concrete structural slab 1 by using beam and column templates according to a design drawing, positioning and scribing on the bottom template 20, and opening holes at the scribed positions on the bottom template 20 by using a cutting machine to form the groove box mounting holes;

when the concrete structure slab is actually used, before template positioning and paying-off and hole machining, the embedded section groove box 2 for one-time embedding of the concrete structure slab 1 needs to be checked to determine whether the product type, specification and size, appearance quality, quantity, fixed slab size and the like meet requirements and whether matched materials and tools are ready; and meanwhile, the flatness of the template support at the electric well position is checked, the deviation of the flatness is not more than 5mm, and if the deviation is overlarge, the leveling treatment is firstly carried out.

In this embodiment, utilize the cutting machine to carry out the trompil to the template, during the cutting of groove box installation hole, along the outer frame line cutting of groove box installation hole location size line, the length and the width of groove box installation hole all are than 2mm ~ 3mm big than the length and the width in the 2 outsides of pre-buried section groove box.

Step four, the installation of pre-buried section groove box, pre-buried section groove box 2 constructs the shaping together with the main structure of building, when carrying out the installation of a plurality of pre-buried section groove boxes 2, installs a plurality of pre-buried section groove boxes 2 by supreme one by one down, regards a pre-buried section groove box 2 below as first pre-buried section groove box, and concrete process is as follows:

during the in-service use, through constructing the shaping with the structure main part of pre-buried section groove box 2 and building together, need not reserve the hole on concrete structure board 1, can effectively improve the efficiency of construction to when subsequent electric well groove box is under construction, can avoid the process such as maintaining, pick the chisel, hang hole formwork, dilute concrete and pour, environmental protection and energy saving, material saving reduce cost practices thrift the labour cost, reduces the consumptive material quantity.

step 4011, as shown in fig. 13, placing an embedded section slot box 2 into a slot box installation hole formed in a first layer bottom template, wherein a circle of anchoring plates 2-1 for limiting the embedded section slot box 2 are arranged on the outer side of the embedded section slot box 2, when the embedded section slot box 2 is located in the slot box installation hole, the anchoring plates 2-1 are supported on the bottom template 20, and the anchoring plates 2-1 on the embedded section slot box 2 are fixedly connected with the bottom template 20 by self-tapping screws 16;

in practical use, a cushion block 18 is arranged between the anchoring plate 2-1 and the bottom formwork 20, and the self-tapping screw 16 sequentially penetrates through the anchoring plate 2-1, the cushion block 18 and the bottom formwork 20 from top to bottom.

In this embodiment, the anchoring plate 2-1 is a steel plate welded to the outer side of the embedded section slot box 2, and each side of the embedded section slot box 2 is provided with the anchoring plate 2-1.

During the in-service use, when putting into embedded section groove box 2 in the groove box installation hole, need guarantee that the both sides of seting up first horizontal waist shape hole 10 and second horizontal waist shape hole 11 on embedded section groove box 2 do not all lean on wall body one side to lay.

Step 4012, measuring the concrete pouring thickness of the concrete structural slab 1 from the upper end face of the bottom template 20 upwards, marking the concrete pouring thickness on the outer side of the embedded section groove box 2, and wrapping and protecting the exposed part of the embedded section groove box 2 above the concrete pouring thickness mark by using a plastic film and a geotextile;

during actual use, the exposed part above the concrete pouring thickness mark on the embedded section groove box 2 is wrapped by a plastic film and geotextile, so that the exposed part of the embedded section groove box 2 is prevented from being adhered with concrete, and the embedded attractiveness of the embedded section groove box 2 can be effectively ensured.

Step 4013, as shown in fig. 14, a cross-shaped supporting member with adjustable size is supported on the inner side of the upper end of the first embedded section groove box, concrete is poured on the first layer of bottom formwork to form a concrete structural slab 1, and the upper end surface of the concrete structural slab 1 is flush with the concrete pouring thickness mark on the embedded section groove box 2;

in practical use, the cross-shaped support member comprises two mutually perpendicular screw rods 14, two ends of each screw rod 14 are respectively provided with a nut 15, one screw rod 14 is arranged along the length direction of the embedded section groove box 2, the length of the screw rod 14 is slightly smaller than the inner length of the embedded section groove box 2, the other screw rod 14 is arranged along the width direction of the embedded section groove box 2, the length of the screw rod 14 is slightly smaller than the inner width of the embedded section groove box 2, and the middle parts of the two screw rods 14 are crossed.

In the embodiment, the cross-shaped support member is supported in the embedded section groove box 2, the distance between the cross-shaped support member and the top of the groove box is 200mm, when the cross-shaped support member is used for supporting the upper end of the embedded section groove box 2, firstly, nuts 15 at two ends of the screw rod 14 are manually screwed, so that the nuts 15 do not extend out of the screw rod 14, then, the screw rod 14 is placed at an appointed position of the embedded section groove box 2, and then, the nuts 15 at two ends of the screw rod 14 are manually screwed, so that the nuts 15 at two ends of the screw rod 14 are tightly pressed against the inner side wall of the embedded section groove box 2; the mounting method of the two lead screws 14 is the same.

During the in-service use, through set up in pre-buried section groove box 2 cross support piece can prevent effectively that the concrete pouring in-process of concrete structure board 1, pre-buried section groove box 2 atress from taking place to warp.

Step 402, installing the temporary connecting section groove box: after the concrete of the concrete structural slab 1 corresponding to the previous embedded section trough box reaches initial setting, as shown in fig. 15, a temporary connecting section trough box 17 is connected to the previous embedded section trough box through a connecting plate 6, the height of the temporary connecting section trough box 17 is equal to that of the prefabricated connecting section trough box 3, and the shape and the size of the cross section of the temporary connecting section trough box 17 are the same as those of the cross section of the embedded section trough box 2;

during the in-service use, when pre-buried section groove box 2 to the upper strata carries out pre-buried, utilize temporary connection section groove box 17 to connect the pre-buried section groove box 2 of pouring pre-buried completion of lower floor and the pre-buried section groove box 2 of upper strata, play and prevent that the concrete structure board 1 of upper strata from producing the effect of skew dislocation at the pre-buried section groove box 2 position of concreting in-process, guarantee two adjacent pre-buried section groove box 2 relative position's accuracy.

Step 403, fixing the next embedded section groove box: placing an embedded section groove box 2 into a groove box mounting hole formed in a subsequent layer bottom template, connecting the lower end of the embedded section groove box 2 which is not poured and embedded with the upper end of a temporary connecting section groove box 17 through a groove box expansion joint 5, fixedly connecting an anchoring plate 2-1 on the embedded section groove box 2 with a bottom template 20 by adopting a self-tapping screw 16, regarding the next embedded section groove box as a first embedded section groove box, repeating the steps 4012 to 4013, and pouring concrete on the subsequent layer bottom template to form a concrete structural plate 1;

step 404, repeating the steps 402 to 403 until the installation of the embedded section groove boxes 2 on all floors is completed;

during the in-service use, in the continuous work progress of carrying out pre-buried section groove box 2, utilize infrared marking appearance to carry out strict the accuse to the relative position precision of two pre-buried section groove boxes 2 adjacent from top to bottom, the inspection is measured, guarantees that all pre-buried section groove boxes 2's in the electric well is pre-buried after accomplishing, and vertical axiality is within 3 mm's allowed range in the error.

In this embodiment, when the structural strength of the concrete structure board 1 who pours reached design strength, need demolish the die block board 20, for reducing to stretch out to the pre-buried section groove box 2 of concrete structure board 1 lower part impaired, demolish the bold template around the pre-buried section groove box 2 earlier, evenly demolish the peripheral fritter template of pre-buried section groove box 2 again, die block board 20 is formed by the polylith template concatenation.

Step five, disassembling the temporary connecting section groove box: all the temporary connecting section groove boxes 17 are dismantled from bottom to top in sequence;

step six, installing a groove box bracket: after the secondary structure of the building and the plastering project are finished, determining the center line of the embedded section groove box 2 which is embedded completely by using a method of pulling through a line, and installing a plurality of groove box brackets 7 from top to bottom on the wall body corresponding to each prefabricated connecting section groove box 3 according to the center line of the embedded section groove box 2 which is embedded completely;

during practical use, the center of the groove box bracket 7 coincides with the projection of the center line of the embedded section groove box 2 on the wall.

In this embodiment, in order to effectively shorten the construction period, the installation of the slot box support 7 may be performed with the removal of the temporary connection section slot box 17 in synchronization, that is, after one temporary connection section slot box 17 is removed, the corresponding slot box support 7 may be installed on the wall body after the temporary connection section slot box 17 is removed.

Seventhly, mounting the prefabricated connecting section groove box: a prefabricated connecting section groove box 3 is connected between two adjacent embedded section groove boxes 2 and on the upper portion of an embedded section groove box 2 on the uppermost layer to form a pre-embedded assembly type groove box, and the prefabricated connecting section groove box 3 and the wall body are connected through locking pieces 13 between a plurality of groove box brackets 7 corresponding to the prefabricated connecting section groove box 3 and the wall body.

During the in-service use, when pre-buried section groove box 2 is connected with prefabricated linkage segment groove box 3, carry out the initial twist with corresponding fastener 8 earlier, then utilize instrument such as spirit level, infrared graticule appearance, steel tape measure to carry out the correction to pre-buried section groove box 2 after, carry out the final twist to fixed to corresponding fastener 8.

In this embodiment, when the prefabricated connecting section groove box 3 is installed, the straightness between the prefabricated connecting section groove box 3 and the embedded section groove box 2 needs to be ensured, and the overall quality of the embedded assembly type groove box formed by construction is ensured.

In this embodiment, in step 401, before the anchor plate 2-1 is fixedly connected to the bottom form 20, the installation position of the embedded section slot box 2 is detected by a suspension wire, and when the installation position of the embedded section slot box 2 deviates from the four reference points 19-1 on the positioning steel plate 19, the embedded section slot box 2 is adjusted by vibration until the installation position of the embedded section slot box 2 is correct; when the installation position of the embedded section groove box 2 is correct, namely the installation position of the embedded section groove box 2 does not deviate from four datum points 19-1 on the positioning steel plate 19, firstly, a self-tapping screw 16 is adopted to preliminarily connect the anchoring plate 2-1 on one side of the embedded section groove box 2 with the bottom template 20, then, the verticality and the height deviation of the embedded section groove box 2 are measured by a horizontal ruler and fine adjustment correction is carried out, and after the verticality and the height deviation of the embedded section groove box 2 are corrected accurately, the self-tapping screw 16 is adopted to finally connect the anchoring plates 2-1 on the other three sides of the embedded section groove box 2 with the bottom template 20.

During actual use, when the embedded section groove box 2 is installed, the installation position of the embedded section groove box 2 can be adjusted at any time by taking the positioning steel plate 19 at the bottom of the electric well as a reference, so that the embedding precision of the embedded section groove box 2 is ensured.

It should be noted that, by arranging the anchoring plates 2-1 outside each side of the embedded section slot box 2, the embedded section slot box 2 is conveniently fastened and connected with the bottom formwork 20, so that the embedded section slot box 2 is positioned and fixed, and the embedding firmness of the embedded section slot box 2 can be effectively improved.

In this embodiment, adjacent two-layer after the concrete of concrete structure board 1 all solidifies 48h, demolish adjacent two-layer temporary connection section groove box 17 between the concrete structure board 1, a safety cover is established to the upper end cover of the pre-buried section groove box 2 of temporary connection section groove box 17 lower part simultaneously.

During the in-service use, because pre-buried section groove box 2 is under construction with the major structure of building is synchronous, consequently, demolish the back when temporary connection section groove box 17, can utilize the template leftover bits of construction place to make a lower part open-ended cube box as the safety cover, arrange pre-buried section groove box 2 of accomplishing in under the safety cover, can effectively avoid in the construction to pre-buried section groove box 2's damage.

In this embodiment, as long as the concrete of the two adjacent layers of the concrete structural slab 1 is solidified for 48 hours, the temporary connection section slot boxes 17 can be removed, so that the removal of the temporary connection section slot boxes 17 and the pre-embedding of the upper floor pre-embedded section slot boxes 2 are performed in the same distribution, and the construction efficiency can be effectively improved; the temporary connection section groove box 17 dismantled simultaneously can be recycled to the installation of the embedded section groove box 2 of upper floor, can realize the reuse of temporary connection section groove box 17, and then effectively reduce construction cost.

In this embodiment, before determining the center line of the embedded section slot box 2 that has been embedded in step six, the protective cover on the embedded section slot box 2 needs to be removed first.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a pre-buried assembled groove box of electric well which characterized in that: including a plurality of pre-buried section groove box (2) of pre-buried in proper order in multilayer concrete structure board (1) of building from top to bottom, the upper end of pre-buried section groove box (2) is stretched out to the upper portion rather than concrete structure board (1) that corresponds, the lower extreme of pre-buried section groove box (2) is stretched out to the lower part rather than concrete structure board (1) that corresponds, every the upper end of pre-buried section groove box (2) all is connected with a prefabricated connection section groove box (3), prefabricated connection section groove box (3) are for the T shape groove box with block terminal (4) matched with, upper and lower adjacent two communicate each other through prefabricated connection section groove box (3) between pre-buried section groove box (2) of pre-buried section groove box (3) and be close to its upper end between connect through groove box expansion joint (5), prefabricated connection section groove box (3) and be close to through connecting plate (6) between pre-buried section groove box (2) of its lower extreme And the prefabricated connecting section groove boxes (3) are connected with one side wall body of the building in a fastening way through a plurality of groove box brackets (7).

2. The embedded assembly type groove box of the electric well according to claim 1, characterized in that: the embedded section groove boxes (2) are rectangular tube-shaped groove boxes, the prefabricated connecting section groove boxes (3) comprise vertical prefabricated groove boxes (3-1) and horizontal prefabricated groove boxes (3-2), the vertical prefabricated groove boxes (3-1) are rectangular tube-shaped groove boxes matched with the embedded section groove boxes (2), two ends of each vertical prefabricated groove box (3-1) are respectively connected with one embedded section groove box (2), one end of each horizontal prefabricated groove box (3-2) is connected to the middle of each vertical prefabricated groove box (3-1) and is communicated with the vertical prefabricated groove boxes (3-1).

3. The embedded assembly type groove box of the electric well according to claim 1, characterized in that: the groove box telescopic joint (5) is a sleeve which is sleeved between the lower end of the embedded section groove box (2) and the upper end of the prefabricated connecting section groove box (3), and the groove box telescopic joint (5) is connected with the embedded section groove box (2) and the groove box telescopic joint (5) is connected with the prefabricated connecting section groove box (3) through a plurality of fasteners (8).

4. The embedded assembly type groove box of an electric well according to claim 3, characterized in that: two sides of the groove box expansion joint (5) are respectively provided with two first vertical waist-shaped holes (9) for the fasteners (8) to pass through, the first vertical waist-shaped hole (9) is arranged along the height direction of the telescopic joint (5) of the groove box, two rows of transverse waist-shaped hole groups matched with the first vertical waist-shaped holes (9) are respectively arranged at the lower ends of the two sides of the embedded section groove box (2) and the upper ends of the two sides of the prefabricated connecting section groove box (3), each row of transverse waist-shaped hole groups comprises a plurality of first transverse waist-shaped holes (10), a first transverse waist-shaped hole (10) on the embedded section slot box (2) is arranged along the width direction of the embedded section slot box (2), first horizontal waist shape hole (10) on prefabricated linkage segment groove box (3) are seted up along the width direction of prefabricated linkage segment groove box (3), every row a plurality of fasteners (8) that horizontal waist shape punch combination corresponds all install in same first vertical waist shape hole (9).

5. The embedded assembly type groove box of the electric well according to claim 1, characterized in that: the lower end of the prefabricated connecting section groove box (3) is closely attached to the upper end of an embedded section groove box (2) at the lower end of the prefabricated connecting section groove box, a connecting plate (6) is respectively arranged at the lower ends of two sides of the prefabricated connecting section groove box (3), the connecting plate (6) is closely attached to the outer sides of the embedded section groove box (2) and the prefabricated connecting section groove box (3) and is arranged, the upper portion of the connecting plate (6) is connected to the lower end of one side of the prefabricated connecting section groove box (3) through a plurality of fasteners (8), and the lower portion of the connecting plate (6) is connected to the upper end of one side of the embedded section groove box (2) through a plurality of fasteners (8).

6. The embedded assembly type groove box of an electric well according to claim 5, characterized in that: horizontal waist shape hole (11) of a plurality of second have all been seted up to the both sides upper end of pre-buried section groove box (2) and the both sides lower extreme of prefabricated connecting segment groove box (3), set up a plurality of and the horizontal waist shape hole of second (11) matched with vertical waist shape hole (12) of second on connecting plate (6), the direction of height along connecting plate (6) is seted up in the vertical waist shape hole (12) of second.

7. The embedded assembly type groove box of the electric well according to claim 1, characterized in that: the groove box support (7) is a bending plate with a groove shape formed by bending the middle part to one side, the middle part of the groove box support (7) is connected with the prefabricated connecting section groove box (3) through a locking part, and the two ends of the groove box support (7) are connected with a wall body through the locking part.

8. A method of constructing a well pre-buried fabricated tank box according to claim 1, comprising the steps of:

step one, prefabricating and processing the embedded section groove box and the prefabricated connecting section groove box: calculating and drawing processing drawings of the embedded section groove boxes and the prefabricated connecting section groove boxes according to a design drawing of the electric well, and processing the embedded section groove boxes (2) and the prefabricated connecting section groove boxes (3) in batches in a factory according to the processing drawings of the embedded section groove boxes (2) and the prefabricated connecting section groove boxes (3);

step two, positioning of the embedded section groove box: determining the installation position of an embedded section groove box (2) in the electric well according to a design drawing of the electric well, embedding a positioning steel plate (19) on a reinforcement cage on the ground of the electric well at the bottommost layer, punching four reference points (19-1) on the positioning steel plate (19) according to the arrangement position of the embedded section groove box (2) in the electric well through accurate measurement, wherein the positions of the reference points (19-1) are superposed with the longitudinal projection positions of the embedded section groove box (2) at four corners in the electric well;

step three, positioning and paying off the template, and processing holes: measuring the positions of the groove box mounting holes on the bottom template (20) corresponding to each layer of concrete structural slab by using beam and column templates according to a design drawing, positioning and scribing on the bottom template (20), and forming the groove box mounting holes at the scribing positions on the bottom template (20) by using a cutting machine;

step four, the installation of pre-buried section groove box, pre-buried section groove box (2) are under construction the shaping together with the main structure body of building, when carrying out the installation of a plurality of pre-buried section groove boxes (2), install a plurality of pre-buried section groove boxes (2) one by supreme down, regard as first pre-buried section groove box with a pre-buried section groove box (2) below, and concrete process is as follows:

step 4011, placing an embedded section slot box (2) into a slot box installation hole formed in a first layer bottom template, wherein a circle of anchoring plate (2-1) for limiting the embedded section slot box (2) is arranged on the outer side of the embedded section slot box (2), when the embedded section slot box (2) is located in the slot box installation hole, the anchoring plate (2-1) is supported on the bottom template (20), and the anchoring plate (2-1) on the embedded section slot box (2) is fixedly connected with the bottom template (20) by adopting a self-tapping screw (16);

step 4012, measuring the concrete pouring thickness of the concrete structural slab from the upper end face of the bottom template (20) upwards, marking the concrete pouring thickness on the outer side of the embedded section groove box (2), and wrapping and protecting the exposed part of the embedded section groove box (2) above the concrete pouring thickness mark by using a plastic film and a geotechnical felt cloth;

step 4013, a cross-shaped supporting member with adjustable size is supported on the inner side of the upper end of the first embedded section groove box, concrete is poured on the first layer of bottom formwork to form a concrete structural slab (1), and the upper end surface of the concrete structural slab (1) is flush with a concrete pouring thickness mark on the embedded section groove box (2);

step 402, installing the temporary connecting section groove box: after the concrete of the concrete structural slab (1) corresponding to the previous embedded section groove box reaches initial setting, connecting a temporary connecting section groove box (17) on the previous embedded section groove box through a connecting plate (6), wherein the height of the temporary connecting section groove box (17) is equal to that of the prefabricated connecting section groove box (3), and the shape and the size of the cross section of the temporary connecting section groove box (17) are the same as those of the cross section of the embedded section groove box (2);

step 403, fixing the next embedded section groove box: placing an embedded section groove box (2) into a groove box mounting hole formed in a subsequent layer bottom template, connecting the lower end of the embedded section groove box (2) which is not poured and embedded with the upper end of a temporary connection section groove box (17) through a groove box expansion joint (5), fixedly connecting an anchoring plate (2-1) on the embedded section groove box (2) with a bottom template (20) by adopting a self-tapping screw (16), regarding the next embedded section groove box as a first embedded section groove box, repeating the steps 4012 to 4013, and pouring concrete on the subsequent layer bottom template to form a concrete structure plate (1);

step 404, repeating the steps 402 to 403 until the installation of the embedded section groove boxes (2) on all floors is completed;

step five, disassembling the temporary connecting section groove box: all the temporary connecting section groove boxes (17) are dismantled from bottom to top in sequence;

step six, installing a groove box bracket: after the secondary structure of a building and the plastering project are finished, determining the center line of the embedded section groove box (2) which is embedded completely by using a method of pulling through a line, and installing a plurality of groove box brackets (7) on the wall body corresponding to each prefabricated connecting section groove box (3) from top to bottom according to the center line of the embedded section groove box (2) which is embedded completely;

seventhly, mounting the prefabricated connecting section groove box: between two adjacent pre-buried section groove box (2) and a pre-buried section groove box (2) upper portion on the superiors all connect a prefabricated linkage segment groove box (3), form a pre-buried assembled groove box, connect through retaining member (13) between a plurality of groove box support (7) rather than corresponding on prefabricated linkage segment groove box (3) and the wall body.

9. The method of claim 8, wherein: in the step 401, before the anchoring plate (2-1) is fixedly connected with the bottom formwork (20), the installation position of the embedded section groove box (2) is detected through a hanging wire, and when the installation position of the embedded section groove box (2) is deviated from four reference points (19-1) on the positioning steel plate (19), the embedded section groove box (2) is adjusted in a vibrating mode until the installation position of the embedded section groove box (2) is correct; when the installation position of the embedded section groove box (2) is correct, namely the installation position of the embedded section groove box (2) is not deviated from four reference points (19-1) on the positioning steel plate (19), firstly, a self-tapping screw (16) is adopted to preliminarily connect the anchoring plate (2-1) on one side of the embedded section groove box (2) with the bottom template (20), then, a horizontal ruler is used to measure the verticality and height deviation of the embedded section groove box (2) and carry out fine adjustment and correction, and after the verticality and height deviation of the embedded section groove box (2) are corrected accurately, the self-tapping screw (16) is adopted to finally connect the anchoring plates (2-1) on the other three sides of the embedded section groove box (2) with the bottom template (20).

10. The method of claim 8, wherein: when adjacent two-layer the concrete of concrete structure board (1) all solidifies 48h after, demolishs adjacent two-layer temporary connection section groove box (17) between concrete structure board (1), establishes a safety cover in the upper end cover of pre-buried section groove box (2) of temporary connection section groove box (17) lower part simultaneously.