CN219833697U - Embedded three-phase wall bushing assembly - Google Patents

Abstract

The utility model relates to an embedded three-phase wall bushing assembly, which comprises an embedded square frame body; a sleeve positioning plate is arranged in the square frame body, and the left, right, upper and lower four end surfaces of the sleeve positioning plate are connected with the inner side walls of the left, right, upper and lower four sides of the square frame body; the casing positioning plate is provided with three positioning through holes, a group of bolt holes are formed in the outer side of each positioning through hole in a circle, a wall bushing is arranged in each positioning through hole in a detachable mode, the wall bushing is provided with a fixing plate, a group of external positioning holes are formed in the fixing plate, and fixing bolts are arranged between the external positioning holes and the bolt holes. The utility model can solve the problems of large workload, high cost and large installation difficulty in the existing wall bushing field installation process.

Description

Embedded three-phase wall bushing assembly

Technical Field

The utility model relates to a wall bushing, in particular to an embedded three-phase wall bushing assembly.

Background

The wall bushing is also called as a wall bushing, a waterproof bushing, a wall embedded pipe, and the waterproof bushing is divided into a rigid waterproof bushing and a flexible waterproof bushing. The materials of the wall bushing are divided into a dry capacitor type alternating current wall bushing and a porcelain insulating alternating current wall bushing, which are called as a silicon rubber bushing and a porcelain bushing for short.

The existing three-phase wall bushing is required to be fixed on a building wall through a cement pouring mode, an assembly opening is required to be formed in the building wall during installation, a positioning plate is poured in the middle of the assembly opening through cement, a plurality of assembly holes are formed in the positioning plate, then each wall bushing penetrates through the assembly holes, and a fixing plate on the wall bushing is fixed on the positioning plate, so that the whole installation is realized. The whole field installation process has the advantages of large workload, high cost and large installation difficulty.

Disclosure of Invention

The utility model aims to provide an embedded three-phase wall bushing assembly, which can solve the problems of large workload, high cost and high installation difficulty in the existing wall bushing field installation process.

The technical scheme adopted for solving the technical problems is as follows: an embedded three-phase wall bushing assembly comprises an embedded square frame body; a sleeve positioning plate is arranged in the square frame body, and the left, right, upper and lower four end surfaces of the sleeve positioning plate are connected with the inner side walls of the left, right, upper and lower four sides of the square frame body; the casing positioning plate is provided with three positioning through holes, a group of bolt holes are formed in the outer side of each positioning through hole in a circle, a wall bushing is arranged in each positioning through hole in a detachable mode, the wall bushing is provided with a fixing plate, a group of external positioning holes are formed in the fixing plate, and fixing bolts are arranged between the external positioning holes and the bolt holes.

In order to improve the universality, the fixing plates of the wall bushing of each model are the same in model size, and the external positioning holes on the fixing plates are formed in the same position; the aperture of the positioning through hole is matched with the diameter of the 35kV wall bushing.

In order to improve the rationality of the whole structure, the upper, lower, left and right side inner walls of the square frame body are provided with guide grooves extending along the Y axial direction, and two ends of each guide groove penetrate through the square frame body; guide blocks matched with the guide grooves are arranged on the upper end face, the lower end face, the left end face and the right end face of the sleeve positioning plate, and the guide blocks are slidably arranged in the guide grooves.

In order to ensure more reliable guiding, the guiding groove is a dovetail groove, and the guiding block is a trapezoid guiding block matched with the dovetail groove.

In order to realize locking after guiding in place, extension blocks capable of being matched with the guide grooves are arranged on two sides of the bottom of the guide block, locking through holes are formed in the extension blocks, and locking bolts are arranged in the locking through holes; the locking plate can be transversely arranged on the notch of the guide groove and is matched with the end surfaces of the two sides of the notch of the guide groove; the middle part of the locking plate is provided with a bolt through hole matched with the locking bolt, the nut end of the locking bolt is arranged on one side end surface of the locking plate away from the guide groove, and the top end of the screw rod part of the locking bolt is matched with the bottom of the guide groove.

In order to facilitate the whole disassembly of the sleeve positioning plate, the replacement of the whole sleeve positioning plate is realized, and the side wall of the guide block is provided with a pull ring.

The utility model has the beneficial effects that: through setting up embedded square frame, locating plate of the sleeve pipe and assembling three wall bushings on locating plate of the sleeve pipe; during assembly, the embedded three-phase wall bushing assembly can be installed on site by only directly embedding the embedded three-phase wall bushing assembly into an assembly port on a building wall; the whole installation process omits the steps of pouring the locating plate on site, arranging the assembly holes, assembling the wall bushing with the assembly holes and the like, and can effectively solve the problems of large workload, high cost and high installation difficulty of the existing wall bushing.

The utility model will be described in more detail below with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic top view of the present utility model with the top of the square frame removed.

FIG. 2 is a schematic cross-sectional view of the present utility model, without the wall bushing installed.

Fig. 3 is a side view of a wall bushing, primarily for illustrating the structure of a wall bushing mounting plate.

Fig. 4 is a schematic diagram showing the positional relationship between the locking plate and the extension block.

The device comprises a square frame body 1, a sleeve positioning plate 2, a positioning through hole 3, a bolt hole 4, a bolt hole 5, a wall bushing 6, a fixing plate 7, a guide groove 8, a guide block 9, an extension block 10, a locking bolt 11, a locking plate 12 and an external positioning hole.

Detailed Description

An embodiment, as shown in fig. 1 to 4, of an embedded three-phase wall bushing 5 assembly, comprises an embedded square frame body 1; a sleeve positioning plate 2 is arranged in the square frame body 1, and the left, right, upper and lower end surfaces of the sleeve positioning plate 2 are connected and matched with the corresponding inner side walls of the left, right, upper and lower sides of the square frame body 1; three positioning through holes 3 are formed in the sleeve positioning plate 2, a group of bolt holes 4 are formed in the sleeve positioning plate 2, the sleeve positioning plate 2 is located on the outer side of each positioning through hole 3, a wall bushing 5 is detachably arranged in each positioning through hole 3, a fixing plate 6 is arranged on the wall bushing 5, a group of external positioning holes 12 are formed in the fixing plate 6, and fixing bolts are arranged between the external positioning holes 12 and the bolt holes 4.

The fixed plate 6 of each type of wall bushing 5 has the same type and size, and the external positioning holes 12 on the fixed plate 6 are arranged at the same position; the aperture of the positioning through hole 3 is matched with the umbrella diameter of the 35kV wall bushing 5. Because the sizes of the wall bushing 5 are different, the aperture of the positioning through hole 3 is designed according to the maximum size, the wall bushing 5 with various sizes can be guaranteed to pass through, the fixing plates 6 are all arranged to be of the same size, and the fixing plates 6 on the wall bushing 5 with different sizes can be matched with the hole sites of the external positioning holes 12 to realize installation. The general size of the three-phase wall bushing 5, such as 35kV with the largest umbrella diameter, the largest umbrella diameter is 270mm, and the aperture of the positioning through hole 3 is 280mm, so that the requirements of the wall bushing 5 with various sizes of 35kV and below can be met.

Guide grooves 7 extending along the Y axial direction are formed in the inner walls of the upper side, the lower side, the left side, the right side and the left side of the square frame body 1, and two ends of each guide groove 7 penetrate through the square frame body 1; guide blocks 8 matched with the guide grooves 7 are arranged on the upper end face, the lower end face, the left end face and the right end face of the sleeve positioning plate 2, and the guide blocks 8 are slidably arranged in the guide grooves 7. The guide groove 7 is a dovetail groove, and the guide block 8 is a trapezoid guide block 8 matched with the dovetail groove.

Extension blocks 9 matched with the guide grooves 7 are arranged on two sides of the bottom of the guide block 8, locking through holes are formed in the extension blocks 9, and locking bolts 10 are arranged in the locking through holes; the locking plate 11 is transversely arranged on the notch of the guide groove 7 and is matched with the end surfaces of the two sides of the notch of the guide groove 7; the middle part of the locking plate 11 is provided with a bolt through hole matched with the locking bolt 10, the nut end of the locking bolt 10 is arranged on the end face of one side of the locking plate 11, which is away from the guide groove 7, and the top end of the screw part of the locking bolt 10 is matched with the bottom of the guide groove 7. The side wall of the guide block 8 is provided with a pull ring.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.

Claims (6)

1. An embedded three-phase wall bushing assembly, its characterized in that: comprises an embedded square frame body; a sleeve positioning plate is arranged in the square frame body, and the left, right, upper and lower four end surfaces of the sleeve positioning plate are connected with the inner side walls of the left, right, upper and lower four sides of the square frame body; the casing positioning plate is provided with three positioning through holes, a group of bolt holes are formed in the outer side of each positioning through hole in a circle, a wall bushing is arranged in each positioning through hole in a detachable mode, the wall bushing is provided with a fixing plate, a group of external positioning holes are formed in the fixing plate, and fixing bolts are arranged between the external positioning holes and the bolt holes.

2. The embedded three-phase wall bushing assembly of claim 1, wherein: the fixed plates of the wall bushing of each model have the same model size, and the external positioning holes on the fixed plates are arranged at the same position; the aperture of the positioning through hole is matched with the diameter of the 35kV wall bushing.

3. The embedded three-phase wall bushing assembly according to claim 1 or 2, wherein: guide grooves extending along the Y axial direction are formed in the inner walls of the upper side, the lower side, the left side, the right side and the left side of the square frame body, and the two ends of each guide groove penetrate through the square frame body; guide blocks matched with the guide grooves are arranged on the upper end face, the lower end face, the left end face and the right end face of the sleeve positioning plate, and the guide blocks are slidably arranged in the guide grooves.

4. The embedded three-phase wall bushing assembly of claim 3, wherein: the guide groove is a dovetail groove, and the guide block is a trapezoid guide block matched with the dovetail groove.

5. The embedded three-phase wall bushing assembly of claim 3, wherein: extension blocks capable of being matched with the guide grooves are arranged on two sides of the bottom of the guide block, locking through holes are formed in the extension blocks, and locking bolts are arranged in the locking through holes; the locking plate can be transversely arranged on the notch of the guide groove and is matched with the end surfaces of the two sides of the notch of the guide groove; the middle part of the locking plate is provided with a bolt through hole matched with the locking bolt, the nut end of the locking bolt is arranged on one side end surface of the locking plate away from the guide groove, and the top end of the screw rod part of the locking bolt is matched with the bottom of the guide groove.

6. The embedded three-phase wall bushing assembly of claim 5, wherein: the side wall of the guide block is provided with a pull ring.