CN218117232U

CN218117232U - Electric shaft preformed hole mould and equipotential connection integrated component

Info

Publication number: CN218117232U
Application number: CN202222347874.7U
Authority: CN
Inventors: 熊子南
Original assignee: Fuzhou Architectural Design Institute Co ltd
Current assignee: Fuzhou Architectural Design Institute Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2022-12-23
Anticipated expiration: 2032-09-03

Abstract

The application discloses electric shaft preformed hole mould and equipotential connection integration component relates to electric shaft's technical field, has improved the trouble problem of electric shaft construction, and it is used for forming the preformed hole that supplies the cable to pass on the floor, including preformed hole mould and equipotential connection subassembly, it has the through wires hole that supplies the cable to pass to run through on the preformed hole mould, equipotential connection subassembly and preformed hole mould be integral structure, the inside structural reinforcement that has of floor, be equipped with the installation space who supplies the preformed hole die mounting in the structural reinforcement, preformed hole mould and floor fixed connection after the floor pouring solidifies, the through wires hole is just for preformed hole. This application both can satisfy reserve the hole on the electric shaft and can be nimble use as equipotential wiring again.

Description

Electric shaft reserved hole mould and equipotential connection integrated component

Technical Field

The application relates to the technical field of electrical shafts, in particular to a reserved hole die of an electrical shaft and an equipotential connection integrated component.

Background

An electrical shaft is a shaft that leaves a certain cross section in a building from the bottom to the top. The vertical shaft is provided with a power distribution booth on each floor, which is a part of the vertical shaft, and the electric vertical shaft for laying the ascending of the power distribution main line is provided with floors for separating each floor and only certain reserved holes.

The existing method for reserving the holes generally comprises the steps of measuring sizes on site by workers, processing a reserved hole die, then pouring a floor slab by using reinforced concrete, and forming the reserved holes for the cables to penetrate through on the floor slab by detaching the reserved hole die after the floor slab is solidified. In order to ensure the safe cable connection, a grounding trunk and an equipotential connection terminal box are also required to be independently pre-buried beside the reserved hole die before the floor slab is poured.

The quality of reserving the hole is directly geted in touch with workman's construction quality, leads to easily reserving the hole and is not standard, and the construction period of reserving the hole is longer, sets up the in-process of equipotential bonding in addition and has not only increased the process but also increased construction cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of troublesome construction of the electric vertical shaft, the application provides an electric vertical shaft reserved hole die and an equipotential bonding integrated component.

The application provides an electric shaft preformed hole mould and equipotential connection integration component, adopts following technical scheme:

an electrical shaft hole reservation mould and equipotential connection integration component for forming the hole reservation that supplies the cable to pass through on the floor, includes:

the cable laying device comprises a reserved hole die, wherein a threading hole for a cable to pass through penetrates through the reserved hole die;

the equipotential bonding assembly and the reserved hole die are of an integrated structure;

the structure steel bar is arranged in the floor slab, an installation space for installing the reserved hole die is formed in the structure steel bar, the reserved hole die is fixedly connected with the floor slab after the floor slab is poured and solidified, and the threading hole is the reserved hole.

Through adopting above-mentioned technical scheme, the process that electrical apparatus shaft construction can be reduced in reservation hole mould and the integration of equipotential coupling assembling, and can make the integration component realize the industrial standardization production, the integration component can be at job site direct mount after the mill production is accomplished, it is higher to compare the scene through artifical template processing standardization that adopts, the influence of influence environment such as cutting and beating nail has been reduced, do not need additionally to set up the equipotential built-in fitting simultaneously, pre-buried work load has been reduced and construction cycle has been shortened, make the construction of electrical shaft convenient and fast more.

Optionally, the equipotential bonding assembly includes a bonding flat steel, one end of the bonding flat steel is connected to the reserved hole die, the other end of the bonding flat steel is connected to the structural steel bar, and a first hole for connecting the bonding flat steel and the reserved hole die through threads is formed in the reserved hole die.

By adopting the technical scheme, equipotential connection can be formed between the reserved hole die and the structural steel bar, and meanwhile, the connection flat steel and the reserved hole die are conveniently connected by workers.

Optionally, the first holes are provided with a plurality of holes, and the plurality of first holes are respectively located on two sides of the reserved hole die.

By adopting the technical scheme, workers can conveniently select a proper position on the reserved hole die to connect the connection flat steel and the structural steel bar according to the space allowance to form equipotential connection, and the flexibility of equipotential connection of the integrated component is improved.

Optionally, the equipotential bonding module further includes a terminal board for facilitating connection, the terminal board is connected to the reserved hole die, the terminal board is located above the floor slab, and the reserved hole die is provided with a second hole for connecting the terminal board and the reserved hole die by threads.

By adopting the technical scheme, the wiring of the electrical vertical shaft can be more convenient, and the terminal board is connected with the reserved hole die when the integrated member is used after production, so that the construction of the electrical vertical shaft can be facilitated.

Optionally, the second holes are provided with a plurality of second holes, and the plurality of second holes are respectively located on two sides of the reserved hole die.

By adopting the technical scheme, workers can conveniently select a proper position on the reserved hole die according to the space allowance to connect the connection flat steel and the structural steel bar to form equipotential connection, and the flexibility of equipotential connection of the integrated component is improved.

Optionally, the equipotential junction assembly further includes a terminal box for protecting the terminal board, a cavity for mounting the terminal board is formed inside the terminal box, and the terminal box is connected with the reserved hole mold.

Through adopting above-mentioned technical scheme, can make the terminal block not directly expose in the external world, improve the safety after the terminal block wiring, effectively avoid the workman to miss the potential safety hazard that the touching terminal block and cause.

Optionally, a template for casting and molding the floor slab is arranged below the floor slab, a connecting portion for connecting the reserved hole mold with the template is arranged at one end, close to the template, of the reserved hole mold, and the reserved hole mold is connected with the template in a positioning manner.

By adopting the technical scheme, the reserved hole die can keep fixed in position after being installed in the installation space, so that the position of the reserved hole after the floor slab is cast and molded is more accurate, and meanwhile, the structural steel bars are convenient to arrange on the periphery of the reserved hole die.

Optionally, the preformed hole die is provided with the strengthening rib that is used for strengthening fire prevention plugging material intensity in the through wires hole, the both ends of strengthening rib all are connected with the pore wall of through wires hole, the preformed hole die sets up a plurality of sliding trays that supply strengthening rib shift position on the pore wall of through wires hole.

Through adopting above-mentioned technical scheme, the structural strength that can strengthen fireproof plugging material after fireproof plugging material fills in the through wires hole reduces fireproof plugging material and the crack appears and the potential safety hazard that brings, and the position that the strengthening rib set up can be adjusted according to the position that the cable passed simultaneously, avoids strengthening rib and cable to take place the position and interferes.

Optionally, the sliding grooves include a first sliding groove for the reinforcing rib to move along the direction of the threading hole and a second sliding groove for the reinforcing rib to move perpendicular to the direction of the threading hole, and the first sliding grooves and the second sliding grooves are staggered.

Through adopting above-mentioned technical scheme, can make things convenient for the workman to carry out the position with a plurality of strengthening ribs in the through wires hole and arrange, and a plurality of strengthening ribs can further strengthen fireproof sealing material's structural strength.

In summary, the present application includes at least one of the following advantages:

1. industrial standardized production can be realized in a factory according to construction requirements, the steel plate can be directly installed on a construction site after production is finished, and the standardization degree is high;

2. the integrated member can be manufactured according to construction drawings before construction, the time of on-site construction can be shortened, and the construction of reserved holes can be more standard;

3. the process of additionally arranging the equipotential embedded parts can be omitted, the embedding workload is reduced, and the influence of embedding leakage on construction quality is avoided;

4. the construction difficulty of the reserved hole can be reduced, the technical requirement on workers is low, and the construction cost is reduced.

Drawings

FIG. 1 is a schematic structural view of an integrated member and a floor slab after installation in an embodiment of the present application;

FIG. 2 is a cross-sectional view of a cable not passing through and not being filled with a fireproof plugging material in the embodiment of the present application;

FIG. 3 is an exploded view of an integrated component in an embodiment of the present application;

FIG. 4 is an exploded view from another perspective of an integration component in an embodiment of the present application;

FIG. 5 is a cross-sectional view of a threaded connection of the tie flats in an embodiment of the present application.

Description of reference numerals: 1. a floor slab; 11. concrete; 12. structural steel bars; 13. an installation space; 2. reserving a hole die; 21. a threading hole; 22. a first hole; 23. a second hole; 24. a connecting member; 241. a third hole; 25. a sliding groove; 251. a first sliding groove; 252. a second sliding groove; 3. an equipotential bonding component; 31. a terminal box; 311. a cavity; 32. a terminal plate; 33. connecting flat steel; 4. a fireproof plugging material; 41. reinforcing ribs; 5. a cable; 6. a template; 101. a self-tapping screw; 102. a bolt; 103. a gasket; 104. a nut; 105. and (4) screws.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an electric shaft reserved hole die and an equipotential bonding integrated component.

Referring to fig. 1 and 2, the integrated member is used for forming a reserved hole on the floor slab 1 for the cable 5 to pass through the floor slab 1 when the floor slab 1 is poured, the floor slab 1 is formed after the concrete 11 poured on the structural steel bar 12 is solidified, the integrated member is surrounded by the floor slab 1 and is fixedly connected with the floor slab 1, the integrated member and the structural steel bar 12 in the floor slab 1 form equipotential connection, and then the cable 5 can pass through the inside of the integrated member for laying.

Referring to fig. 3 and 4, the integrated member includes a prefabricated hole die for forming a prefabricated hole on the floor slab 1, the prefabricated hole die is machined in advance in a factory according to the actual required size of a construction drawing, the shape of the prefabricated hole die in the embodiment is preferably a cuboid structure, the prefabricated hole die is formed by processing a hot-dip galvanized steel plate with the thickness of 3mm, the hot-dip galvanized steel plate is surrounded to form a threading hole 21 for a cable to pass through, and other structures such as a cube and other materials can be selected for manufacturing in other embodiments.

Referring to fig. 2 and 3, the floor slab 1 needs to be supported by the template 6 during casting, after the floor slab 1 is cast, the template 6 is located below the floor slab 1, the template 6 abuts against the bottom of the floor slab 1, and after the floor slab 1 is cast, the template 6 is detached. After the construction is finished, the threading holes 21 form prefabricated holes on the floor slab 1.

During construction, the prefabricated hole die is placed on the template 6 according to the position shown in a construction drawing, the penetrating direction of the threading hole 21 on the prefabricated hole die is perpendicular to the template 6, one end, close to the template 6, of the prefabricated hole die is provided with a connecting piece 24 used for being connected with the template 6 in a positioning mode, the peripheral sides of the prefabricated hole die are provided with the connecting pieces 24, the connecting pieces 24 extend towards one ends, away from the threading hole 21, of the direction parallel to the template 6, a plurality of third holes 241 used for enabling the prefabricated hole die to be connected with the template 6 in a positioning mode are formed in the connecting pieces 24, the prefabricated hole die is connected with the template 6 through threads, and for construction convenience, the threaded connection between the prefabricated hole die and the template is achieved through the self-tapping screws 101 in the positions of the third holes 241. In this embodiment, it is preferable that the diameter of the third holes 241 is 4mm, and eight third holes 241 are provided, wherein three third holes 241 are respectively provided on the connecting members 24 at two sides of the prefabricated hole mold, the three third holes 241 are arranged at equal intervals, and one third hole 241 is respectively provided on the connecting member 24 at two sides of the prefabricated hole mold.

Referring to fig. 1 and 2, the integrated member further includes an equipotential bonding component 3 for implementing equipotential bonding, and the equipotential bonding component 3 is disposed on a peripheral side of the prefabricated hole mold away from the threading hole 21.

The equipotential connection assembly 3 comprises a connection flat steel 33, a terminal board 32 and a terminal box 31, wherein the connection flat steel 33, the terminal board 32 and the reserved hole die 2 are in threaded connection for convenient construction, the reserved hole die 2 is provided with a plurality of first holes 22 for threaded connection of the connection flat steel 33 and a plurality of second holes 23 for threaded connection of the terminal board 32, and the first holes 22 and the second holes 23 all penetrate through the reserved hole die 2 and are communicated with the threading holes 21. In this embodiment, in order to allow more connecting positions of the connection flat bar 33 and the terminal plate 32 to be selected on the pre-cavity die 2, the number of the first cavities 22 and the number of the second cavities 23 are respectively greater than the number of the first cavities 22 required for the threaded connection of the connection flat bar 33 and the number of the second cavities 23 required for the threaded connection of the terminal plate 32, and the first cavities 22 and the second cavities 23 are respectively disposed on both sides of the pre-cavity die 2.

When the preformed holes on the floor slab 1 need to be arranged at the wall side or corner, no matter how the mounting positions of the preformed hole molds 2 are arranged, a plurality of first holes 22 and a plurality of second holes 23 are always positioned at one side of the preformed hole molds 2 far away from the wall surface for connecting the flat steel 33 and the terminal board 32 through threads. In this embodiment, in order to facilitate the processing of the pre-hole mold 2, it is preferable that the first hole 22 and the second hole 23 have the same hole diameter, and the hole diameters of the first hole 22 and the second hole 23 are preferably 6.5mm.

Referring to fig. 2, 4 and 5, the second holes 23 are located on one side of the first holes 22 away from the connecting member 24, and the plurality of first holes 22 on the same side of the pre-hole mold 2 are distributed at equal intervals along the length direction of the pre-hole mold 2. In order to facilitate the threaded connection of the connection flat steel 33 and the reserved hole die 2, the shape of the connection flat steel 33 is preferably a plate-shaped structure with an L-shaped section, the connection flat steel 33 can be divided into two ends with different lengths, wherein the end with the shorter length on the connection flat steel 33 is connected with the reserved hole die 2, and the end with the longer length on the connection flat steel 33 is welded with the structural steel bar 12. In this embodiment, the number of the first holes 22 is preferably four, two first holes 22 are respectively formed on two sides of the reserved hole mold 2, only one coupling flat steel 33 is connected to the reserved hole mold 2 in a threaded manner, the coupling flat steel 33 is connected to the reserved hole mold 2 in a threaded manner through a bolt 102, a nut 104 and a gasket 103, and the coupling flat steel 33 and the reserved hole mold 2 are made of a hot galvanizing material similarly.

Referring to fig. 3, the plurality of second holes 23 on the same side of the reserved hole die 2 are also distributed at equal intervals along the length direction of the reserved hole die 2, the terminal plate 32 is in threaded connection with the reserved hole die 2 through the screw 105, the reserved hole die 2 is provided with a terminal plate 32, one terminal plate 32 needs to be matched with two second holes 23 to be in threaded connection with the reserved hole die 2, in this embodiment, the reserved hole die 2 is preferably provided with eight second holes 23, the two length sides of the reserved hole die 2 are respectively provided with four second holes 23, two adjacent second holes 23 can be in threaded connection with the terminal plate 32, so the terminal plate 32 has three different connection positions on the length side of the reserved hole die 2, and can be selected according to construction drawings.

The terminal box 31 is arranged according to the required connecting position of the terminal board 32 on the construction drawing, one terminal box 31 is arranged corresponding to the terminal board 32, and the terminal box 31 and the reserved hole die 2 are processed together. The terminal box 31 is provided with a cavity 311 for installing the terminal board 32, and in practical application, the terminal box 31 should be provided with an openable box door, so that subsequent equipotential wiring is facilitated.

Referring to fig. 2, before the floor slab 1 is poured, the structural steel bars 12 need to be laid on the formwork 6, installation spaces 13 for installing the integrated structure are reserved on the structural steel bars 12, the coupling flat steel 33 is located in the floor slab 1 after the floor slab 1 is poured, and the terminal board 32 and the terminal box 31 are located above the floor slab 1. The positions at which the terminal box 31 and the terminal plate 32 are connected to the prepared hole mold 2 may be the same length side as the coupling flat bar 33 on the prepared hole mold 2 or opposite length sides, and are actually determined according to the situation at the construction site.

Referring to fig. 1 and fig. 2, the cable wears to establish in threading hole 21 and need fill fire prevention plugging material 4 in threading hole 21 after accomplishing, in this embodiment, reserve hole mould 2 still is provided with a plurality of strengthening ribs 41 that are used for improving fire prevention plugging material 4 structural strength in threading hole 21, the both ends of strengthening rib 41 are connected with two relative pore walls of threading hole 21 respectively, and strengthening rib 41 perpendicular to its own threading hole 21 pore wall of connecting, a plurality of cables pass from the space of a plurality of strengthening rib 41 intersection formations. In other embodiments, the hole-reserving die 2 can be directly filled with the fireproof plugging material 4 in the threading hole 21 to meet the structural strength requirement.

Referring to fig. 2, 3 and 4, the hole wall of the threading hole 21 of the preformed hole mold 2 is provided with a plurality of sliding grooves 25 for the reinforcing ribs 41 to slide, each sliding groove 25 comprises a plurality of first sliding grooves 251 for the reinforcing ribs 41 to slide along the threading hole 21, and a plurality of second sliding grooves 252 for the reinforcing ribs 41 to slide along the direction perpendicular to the threading hole 21, and the first sliding grooves 251 and the second sliding grooves 252 are perpendicularly intersected. The first sliding groove 251 penetrates through one end, far away from the connecting piece 24, of the reserved hole die 2, the first sliding groove 251 is communicated with the second sliding grooves 252 on the same hole walls, the reinforcing ribs 41 move into the second sliding grooves 252 through the first sliding groove 251, and the plurality of reinforcing ribs 41 form a plurality of layers of reinforcing ribs 41 on the second sliding grooves 252. The second sliding grooves 252 on the adjacent hole walls are staggered in the vertical direction, so that the plurality of reinforcing ribs 41 on the same layer can be stacked, and the plurality of reinforcing ribs 41 are welded and connected at the stacked position. In this embodiment, it is preferable that two first sliding grooves 251 and two second sliding grooves 252 are disposed on the hole wall of each threading hole 21, the two first sliding grooves 251 are respectively located at two ends of the hole wall close to the adjacent hole wall, two ends of the two second sliding grooves 252 are respectively communicated with the two first sliding grooves 251, and two ends of one second sliding groove 252 are respectively communicated with one end of the two first sliding grooves 251 close to the connecting member 24.

The implementation principle of the electrical shaft reserved hole die and the equipotential bonding integrated component in the embodiment of the application is as follows:

the method comprises the steps of firstly determining the position and the size specification of a reserved hole according to a construction drawing, then producing a reserved hole mold 2 according to the position and the size specification of the reserved hole in a factory, forming a plurality of first holes 22, second holes 23 and third holes 241 in the reserved hole mold 2 in the production process, after the reserved hole mold 2 is manufactured, connecting a connection flat steel 33 and a terminal board 32 in a proper position on the reserved hole mold 2 in a threaded mode, enabling the reserved hole mold 2 and an equipotential connection assembly 3 to be integrated, then conveying the integrated member to a construction site, then connecting and positioning the integrated member at a corresponding position on a template 6 in a threaded mode, laying a structural steel bar 12 for pouring a floor slab 1 on the periphery of the integrated member, then welding the connection flat steel 33 and the structural steel bar 12 to form an equipotential, then pouring the floor slab 1 on the template 6, after the floor slab 1 is solidified and formed, penetrating cables in a threading hole 21, then arranging a plurality of reinforcing ribs 41 in the threading hole 21, arranging the reinforcing ribs 41 in a moving mode along a first sliding groove 251 and a second sliding groove 252, then filling a plurality of fireproof plugging materials 4 into the threading hole 21, and then filling the fireproof plugging materials 4 and removing the fireproof template 6 after solidification.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electric shaft preformed hole mould and equipotential connection integration component for form the preformed hole that supplies the cable to pass through on floor (1), its characterized in that includes:

the cable fixing device comprises a reserved hole die (2), wherein a threading hole (21) for a cable (5) to pass through penetrates through the reserved hole die (2);

the equipotential bonding component (3) and the reserved hole mold (2) are of an integrated structure;

the floor slab (1) is internally provided with structural steel bars (12), an installation space (13) for installing the reserved hole die (2) is formed in the structural steel bars (12), the reserved hole die (2) is fixedly connected with the floor slab (1) after the floor slab (1) is poured and solidified, and the threading holes (21) are reserved holes.

2. The electrical shaft preformed hole mould and equipotential bonding integrated component according to claim 1, wherein the equipotential bonding assembly (3) comprises a bonding flat steel (33), one end of the bonding flat steel (33) is connected to the preformed hole mould (2), the other end of the bonding flat steel (33) is connected to the structural steel bar (12), and the preformed hole mould (2) is provided with a first hole (22) for connecting the bonding flat steel (33) and the preformed hole mould (2) by screw threads.

3. An electrical shaft reserved hole mould and equipotential bonding integrated component according to claim 2, characterized in that said first holes (22) are provided in a plurality, and a plurality of said first holes (22) are respectively located on both sides of the reserved hole mould (2).

4. The electrical shaft preformed hole mould and equipotential bonding integrated component according to claim 2, wherein the equipotential bonding assembly (3) further includes a terminal board (32) for facilitating connection, the terminal board (32) is connected to the preformed hole mould (2), the terminal board (32) is located above the floor (1), and the preformed hole mould (2) is provided with a second hole (23) for connecting the terminal board (32) and the preformed hole mould (2) by screw threads.

5. An electrical shaft reserved hole mould and equipotential bonding integrated component according to claim 4, characterized in that said second holes (23) are provided in a plurality, and a plurality of said second holes (23) are respectively located on both sides of the reserved hole mould (2).

6. An electric shaft reserved hole die and equipotential bonding integrated component according to claim 4, characterized in that the equipotential bonding module (3) further includes a terminal box (31) for protecting the terminal board (32), the terminal box (31) has a cavity (311) for installing the terminal board (32), and the terminal box (31) is connected to the reserved hole die (2).

7. The integrated component of the electrical shaft reserved hole mold and the equipotential bonding according to claim 1, wherein a template (6) for casting the floor (1) is disposed below the floor (1), a connecting portion for connecting with the template (6) is disposed at one end of the reserved hole mold (2) close to the template (6), and the reserved hole mold (2) is connected with the template (6) in a positioning manner.

8. The integrated component of the electrical shaft reserved hole die and the equipotential bonding according to claim 1, wherein the reserved hole die (2) is provided with a reinforcing rib (41) for reinforcing the strength of the fireproof blocking material (4) in the threading hole (21), two ends of the reinforcing rib (41) are connected with the hole wall of the threading hole (21), and the reserved hole die (2) is provided with a plurality of sliding grooves (25) for moving the reinforcing rib (41) on the hole wall of the threading hole (21).

9. The electrical shaft preformed hole die and equipotential bonding integrated component according to claim 8, wherein the sliding grooves (25) include first sliding grooves (251) for allowing the reinforcing bars (41) to move along the direction in which the threading holes (21) are formed, and second sliding grooves (252) for allowing the reinforcing bars (41) to move perpendicular to the direction in which the threading holes (21) are formed, and a plurality of the first sliding grooves (251) and a plurality of the second sliding grooves (252) are staggered with each other.