CN210201425U - Clamping type winding-free insulator for intensive bus duct conductor - Google Patents

Abstract

The utility model relates to a clamping type non-winding insulator for an intensive bus duct conductor, which is provided with an insulating body consisting of an upper sheath and a lower sheath, wherein the outer sides of the upper sheath and the lower sheath are respectively and fixedly connected into a whole through a convex fixture block and a concave type clamping groove in a matched and clamped mode, and the inner sides of the upper sheath body and the lower sheath body are respectively provided with an upper row of U-shaped clamping grooves and a lower row of U-shaped clamping grooves which are matched and corresponding to the copper bars of the bus; the buckled upper and lower sheaths are provided with a plurality of insulation channels which are matched and corresponding to the copper bars of all phases of the bus, and the insulation channels limit, fix and clamp the bottom insulation edges of the copper bars of all phases of the bus and encapsulate the bottom insulation edges in the insulation body; and the joint of the insulating channel adopts a tightly jointed primary-secondary structure to be tightly jointed and connected into a whole. The utility model discloses reduced the technology degree of difficulty of conductor insulation part preparation, improved product quality and work efficiency, favorable manufacturing cost's control simultaneously, the insulating sheath type is unified, and the standardization level is high, and the quality is reliable, and is wear-resisting durable, and electrical properties is good.

Description

Clamping type winding-free insulator for intensive bus duct conductor

Technical Field

The utility model belongs to an electricity is intensive bus duct technical field for power transmission and distribution, concretely relates to joint formula does not have winding insulator for intensive bus duct conductor.

Background

Along with the emergence of modern engineering facilities and equipment, the power consumption of various industries is increased rapidly, and when cables for power transmission in high-rise buildings and large-scale factory workshops are constructed, wired and installed, the on-site installation, construction, connection and wiring difficulty of multi-path cables is reduced, and the intensive bus duct for low-voltage integrated power supply, electric energy transmission and electric energy distribution is produced. In the prior art, a dense bus duct (as shown in fig. 1) mainly comprises a bottom shell, a conductive component 1 and a cover plate. Wherein, the conducting component 1 of intensive bus duct end is for guaranteeing good electric clearance and creepage distance: firstly, a copper bar bending process 2 is needed to be adopted on a conductive copper bar of a conductive assembly 1 to ensure the distance between the tail ends of the copper bar; then, after the portions of the conductive component 1, which need to be bent and insulated, need to be covered and wrapped by a dupont polyester film or a 3M insulating film 3 on the whole insulating end, the qualified end of the intensive bus duct shown in fig. 2 can be manufactured, and the requirements of difficult aging, excellent electrical insulation performance, mechanical performance and heat resistance among all the connecting positions of the end of the intensive bus duct are met. However, due to the influence of manual wrapping and the influence of a bending process of the conductive end, the end bending part 2 needs to be wrapped with three layers of 3M adhesive tapes, and the wrapping position of the 3M adhesive tapes needs to be overlapped with the polyester sleeve wrapping the copper bar so as to meet the electrical requirement of the intensive bus. Therefore, in the wrapping insulator mode of the intensive bus duct in the prior art, the insulating wrapping and winding difficulty of the end of the conductive assembly of the intensive bus duct is high, the requirement is high, and the uniformity of the product quality is not ideal; moreover, affected by the traditional wrapping process, when the conductor is wrapped at the bending radian, the defects of uneven winding, flow winding, obvious wrinkles and uneven thickness, particularly the defect of bubble generation, can occur; therefore, the intensive bus duct manufactured by the traditional wrapping process has low manufacturing efficiency, high difficulty of wrapping technology and low working efficiency; particularly, the appearance quality of the product is poor, and the uniformity and reliability of the product quality cannot be ensured; moreover, in the transportation process and the installation process, the wrapping insulator is likely to be abraded due to assembly or transportation friction, so that the service life of the bus duct is influenced; therefore, the following technical solutions are proposed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the clamping type winding-free insulator for the intensive bus duct conductor is provided, achieves direct insulation of each phase sequence of a bus end through a clamping type winding-free bus insulation body, plays a simple and reliable insulation protection role, simplifies assembly, beautifies appearance, improves production efficiency, prevents abrasion and improves electrical reliability.

The utility model adopts the technical proposal that: the clamping type non-winding insulator for the intensive bus duct conductor is provided with an insulating body, wherein the insulating body consists of an upper sheath and a lower sheath, the outer sides of the upper sheath and the lower sheath are respectively and fixedly connected into a whole in a matched clamping manner through a convex clamping block and a concave clamping groove, and the inner sides of the sleeve bodies of the upper sheath and the lower sheath are respectively provided with an upper row of U-shaped clamping grooves and a lower row of U-shaped clamping grooves which are matched and corresponding to the copper bars of the bus; after the upper sheath and the lower sheath are buckled, the upper row of U-shaped clamping grooves and the lower row of U-shaped clamping grooves are enclosed into a plurality of insulation channels which are matched and corresponding to the copper bars of each phase of the bus, and the insulation channels limit, fix and clamp the bottom insulation parts of the copper bars of each phase of the bus and encapsulate the bottom insulation parts of the copper bars of each phase of the bus in the insulation body; and the joint parts of the upper row of U-shaped clamping grooves and the lower row of U-shaped clamping grooves which form a plurality of insulation channels are tightly jointed into a whole by adopting a tightly jointed primary-secondary structure.

To improve the electrical sealing insulation effect, it is preferable that: the closely-jointed primary-secondary structure comprises an inclined plane jointing primary-secondary structure, a Z-shaped jointing primary-secondary structure and a convex-concave jointing primary-secondary structure.

In order to improve the reliability of electric sealing insulation, further: and the close binding surface of the primary-secondary structure is coated with an insulating sealing adhesive.

In order to ensure the adhesive strength, water-proof, heat-resistant and wear-resistant electrical insulation sealing performance and improve the anti-cracking performance, preferably: the insulating sealing adhesive is a polyvinyl acetal modified phenolic resin adhesive.

For convenient processing and manufacturing, preferably: the upper sheath, the lower sheath, the convex clamping block and the upper row of U-shaped clamping grooves which are respectively arranged on the upper sheath and the lower sheath are respectively integrally formed with the BMC unsaturated polyester bulk resin molding compound for the upper sheath and the lower sheath.

In order to meet the requirement of the three-phase five-wire system intensive bus duct, further: the insulation channel of the insulation body consisting of the upper sheath and the lower sheath comprises a PE phase wire slot, an N phase wire slot, and L1, L2 and L3 phase wire slots; the L1, L2, L3 phase line grooves and the N phase line grooves are all axisymmetric U-shaped grooves, and the PE phase line grooves are axisymmetric V-shaped grooves with an opening angle of 90 degrees.

In order to guarantee the clamping convenience and the clamping firmness of the upper sheath and the lower sheath, further: the convex fixture block is formed by coaxially and integrally forming and stacking a first boss at the bottom and a second boss at the top in a cylindrical shape, wherein a first-step edge of the second boss is provided with a fillet; the root of the second boss and the first step of the first boss form an inward-concave right-angle limiting groove structure; the convex clamping block is completely accommodated in the concave clamping groove and is matched, buckled and clamped with the concave clamping groove; the vertical groove wall of the concave clamping groove is radially provided with positioning bosses which are annularly arranged; the positioning boss is clamped with the right-angle limiting groove structure in a positioning adaptive mode and completely contained in the right-angle limiting groove structure, and the section shape of the positioning boss is an arc boss which is larger than or equal to 180 degrees.

To adapt and simplify the fixing of the insulating body, further: the insulating body is clamped, limited, positioned and installed at the end part of the intensive bus duct shell by a fastening assembly through a left clamping plate and a right clamping plate which are symmetrical to each other in a left-right axis mode.

The utility model has the advantages compared with the prior art:

1. according to the scheme, the insulation sleeve which is clamped in a convex-concave matched mode replaces a wrapping insulation mode to manufacture the intensive bus duct, any person can assemble and manufacture the conductive assembly and the insulator, the manufacturing difficulty of the bus end needing the insulation phase sequence is greatly reduced, and the manufactured bus end phase sequence product is uniform in quality; the insulators of the copper bar conducting assemblies between adjacent phase sequences are distributed smoothly and smoothly at the bending radian, the thickness is uniform, no folds are generated, and the defect that air bubbles are easily generated by a wrapping insulating layer is overcome; compared with the wrapping and winding process which finishes one product wrapping and winding production period within 0.3h, the assembly mode of buckling and clamping left and right can be finished only by two steps of gluing and buckling, the operation is simple, the installation is efficient, and the working efficiency is greatly improved; the product has uniform appearance quality, more reliable insulation electrical performance of the insulator and stable product performance; the abrasion influence of the wrapping type intensive bus duct in the transportation and installation processes is eliminated, the service life of the bus duct is longer, and the bus duct is more reliable;

2. the scheme adopts the injection molding and extrusion molding of the mold, only the mold is required to be opened according to the product structure and the appearance, the standardization degree is high, the hidden quality trouble is avoided, the appearance is neat and attractive, and the service life is long; the advantages of the materials are combined, the insulating property is excellent, and the quality is reliable; the quick assembly advantage of joint cooperation structure combines sticky insulating seal who realizes closely laminating department, and the quality is reliable.

Drawings

FIG. 1 is a schematic view of a prior art before each phase of copper bar wraps of a bus bar of an intensive bus duct;

FIG. 2 is a schematic view of a prior art compact busway bus bar with each phase of copper bars wrapped;

fig. 3 is a schematic view of the three-dimensional structure of the upper sheath of the insulating body of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the lower sheath of the insulating body of the present invention;

FIG. 5 is a front view of FIG. 3;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is a front view of an embodiment of a female clip slot associated with the lower sheath;

FIG. 8 is a schematic diagram of a close-fit of an embodiment of a bevel-fit primary-secondary structure of the upper and lower sheath insulation channels in the direction of FIG. 6;

FIG. 9 is a schematic view of close attachment of an embodiment of a Z-shaped attachment primary-secondary structure of an upper and lower sheath insulation channel primary-secondary structure;

FIG. 10 is a schematic diagram of the close contact of an embodiment of a male-female structure of an insulating channel male-female structure of an upper sheath and a lower sheath;

FIG. 11 is a schematic view showing the process of assembling the male and female clips of the upper and lower sheaths;

FIG. 12 is an assembly view of the upper and lower sheaths after the male and female clips are assembled;

fig. 13 is an application example structure schematic diagram behind the insulating body of the utility model discloses intensive busway generating line each phase copper bar is used.

Detailed Description

Specific embodiments of the present invention will be described below with reference to fig. 3 to 13.

The following examples are provided to facilitate a better understanding of the present invention, but are not intended to limit the present invention. The materials and components in the following examples are, unless otherwise specified, conventional ones and materials, and are commercially available.

In the present invention, without the contrary explanation, it is understood that: the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless integrally formed, the insulation bodies may be directly connected to each other or indirectly connected to each other through other intermediate members. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The clamping type winding-free insulator for the intensive bus duct conductor is provided with an insulating body 1, wherein the insulating body 1 consists of an upper sheath 2 (shown in figure 3) and a lower sheath 3 (shown in figure 4), the outer sides of the upper sheath 2 and the lower sheath 3 are respectively and fixedly connected into a whole through a convex clamping block 21 and a concave clamping groove 31 in a matched and clamped mode, and the inner sides of the sleeve bodies of the upper sheath 2 and the lower sheath 3 are respectively provided with an upper row of U-shaped clamping grooves 401 and a lower row of U-shaped clamping grooves 402 which are matched and corresponding to the copper bars 4 of each phase of a bus; after the upper and lower sheaths are fastened, the upper row of U-shaped slots 401 and the lower row of U-shaped slots 402 enclose a plurality of insulation channels 403 (as shown in fig. 8, 9 and 10) corresponding to the copper bars 4 of each phase of the bus, and the insulation channels 403 limit, fix and clamp the bottom insulation edges of the copper bars 4 of each phase of the bus in the insulation body 1 (as shown in fig. 13); moreover, in order to ensure the insulation performance of the tight fitting part of the insulation body 1: and the joint parts of the upper row of U-shaped clamping grooves 401 and the lower row of U-shaped clamping grooves 402 which form a plurality of insulation channels 403 are tightly jointed and connected into a whole by adopting a tightly jointed primary-secondary structure 5 (as shown in figures 8, 9 and 10).

On the basis of the above embodiment, in order to improve the electrical sealing and insulating effect, it is preferable that: the closely attached primary-secondary structure of the primary-secondary structure 5 includes an inclined surface attached primary-secondary structure 51 (as shown in fig. 8), a Z-shaped attached primary-secondary structure 51 (as shown in fig. 9), and a convex-concave attached primary-secondary structure 53 (as shown in fig. 10). In order to improve the reliability of electric sealing insulation, further: and the close binding surface of the primary-secondary structure 5 is coated with an insulating sealing adhesive. Before the upper and lower sheaths are buckled and clamped by adopting a sealant adhesive, the bonding surface of the primary-secondary structure 5 which is tightly attached is coated with the adhesive, then each phase of copper bar 4 of the bus is packaged and buckled in the upper and lower sheaths, and the upper and lower sheaths are firmly connected into a whole along with the adhesion, namely, the assembly of the insulation body 1 is completed while the upper and lower sheaths are buckled. Through 5 combined action of closely laminating primary and secondary structure, when protruding type fixture block 21 and concave type draw-in groove 31 adaptation joint link firmly as an organic whole, realize dependable performance, the electric property that insulating properties is good between the interior bus copper bar of 1 each phase place passageway of insulator to further promote insulator 1's reliability, strengthen its life.

On the basis of the above embodiment, in order to ensure the adhesive strength, the waterproof, heat-resistant and wear-resistant electrical insulation sealing performance and improve the anti-cracking performance, it is preferable that: the insulating sealing adhesive is a polyvinyl acetal modified phenolic resin adhesive. The phenolic resin adhesive modified by polyvinyl acetal is selected, wherein the phenolic resin adhesive has the advantages of high adhesive strength, water resistance, heat resistance, wear resistance, good chemical stability and the like. However, before the modification, the modified polyurethane elastomer has the defects of low abrasion resistance, high cost, high curing temperature, long hot pressing time and the like. Therefore, the utility model discloses select the phenolic resin adhesive after the modification for use, preferably, select to introduce the polymer elastomer in the phenolic resin for use, polyvinyl alcohol and acetal thereof modify it promptly, the phenolic resin adhesive after polyvinyl alcohol and acetal modification thereof can improve the elasticity of glue film, reduces the internal stress, overcomes the easy ageing crack defect that the phenolic resin adhesive exists; meanwhile, the initial viscosity, the adhesion and the water resistance of the adhesive are correspondingly improved, and the comprehensive adhesive property is obviously improved.

It should be noted that: the phenolic resin adhesive is prepared by reacting phenol with formaldehyde, particularly a thermosetting adhesive, has lower cost than an epoxy adhesive, better heat resistance, obviously reduced brittleness after modification and excellent cost performance.

On the basis of the above embodiment, in order to facilitate the forming process, it is preferable that: the upper sheath 2, the lower sheath 3, the convex fixture block 21 and the upper row of U-shaped clamping grooves 401 respectively arranged on the upper sheath and the lower sheath, and the concave clamping grooves 31 and the lower row of U-shaped clamping grooves 402 are respectively integrally formed with the BMC unsaturated polyester bulk resin molding compound for the upper sheath and the lower sheath. Specifically, as shown in fig. 3 and 4, the upper row of U-shaped slots 401 and the convex fixture block 21 of the upper sheath 2 are integrally formed by using BMC unsaturated polyester bulk molding compound; the lower row of U-shaped slots 402 and the concave slots 31 of the lower sheath 3 are integrally molded by BMC unsaturated polyester bulk resin molding compound.

The BMC-unsaturated polyester bulk resin molding compound is described in the following: BMC is short for glass fiber reinforced unsaturated polyester thermosetting plastics, and is a kind of reinforced thermosetting plastics. BMC materials are the acronym for bulk molding Compounds, i.e., bulk molding Compounds. Often referred to as unsaturated polyester bulk molding compounds. The prepreg is a material block prepared by fully mixing GF (chopped glass fiber), UP (unsaturated resin), MD (filler calcium carbonate) and various additives. The BMC bulk molding compound has excellent electrical property, mechanical property, heat resistance and chemical corrosion resistance, is suitable for various molding processes, and can meet the requirements of various products on the performance. In addition, the flame retardant property and the electric trace resistance are good, the dielectric strength, the corrosion resistance and the pollution resistance are high, the mechanical property is excellent, the shrinkage is low, and the color is stable. Therefore, the insulating body 1 made of the material has good electrical performance, mechanical performance, heat resistance, chemical corrosion resistance and reliable quality.

On the basis of the embodiment, in order to meet the requirement of the three-phase five-wire system intensive bus duct, the method further comprises the following steps: the insulation channel of the insulation body 1 consisting of the upper sheath 2 and the lower sheath 3 comprises a PE phase wire slot 6 (figures 3 and 4), an N phase wire slot 7, and L1, L2 and L3 phase wire slots 8; the L1, L2, L3 phase line grooves 8 and the N phase line grooves 7 are all axisymmetric U-shaped grooves (see fig. 6), and the PE phase line groove 6 is an axisymmetric V-shaped groove with an angle of 90 °. The diameter of the semicircular radian at the bottom of the U-shaped groove is matched with the thickness of the copper bar conductor, and the copper bar conductor at any phase is clamped and positioned in the insulation channel in a tight fit and limiting manner. The PE phase line groove 6 is an axisymmetric V-shaped groove with an opening angle of 90 degrees and is limited and fixed in a butt clamp positioning mode.

On the basis of the above embodiment, in order to ensure the clamping convenience and clamping firmness of the upper and lower sheaths, further: protruding type fixture block 21 is piled up by the coaxial integrated into one piece of the first boss 2101 in bottom of cylinder shape and top second boss 2102 (as shown in fig. 11), wherein, for the joint propelling movement resistance when reducing upper and lower sheath lock joint adaptation: a fillet 2103 is formed at the edge of a first step of the second boss 2102; after protruding fixture block 21 and concave draw-in groove 31 adaptation lock joint, for preventing that protruding fixture block 21 from falling back from concave draw-in groove 31 and drop: the root of the second boss 2102 and the first step of the first boss 2101 form an inward-concave right-angle limiting groove structure 2104; the male fixture block 21 is completely received in the female fixture groove 31 and is matched, buckled and clamped with the female fixture groove 31; the vertical groove wall of the concave clamping groove 31 is radially provided with positioning bosses 3101 which are annularly arranged; the positioning boss 3101 is positioned, adapted and clamped with the right-angle limiting groove structure 2104 and is completely accommodated in the right-angle limiting groove structure 2104 (as shown in fig. 12). In addition, in order to facilitate the sliding of the positioning boss 3101, the positioning boss 3101 is restricted from falling back and falling off in cooperation with the right-angle limiting groove structure 2104: the positioning boss 3101 has a cross-sectional shape of a circular arc boss of 180 ° or more, and as shown in fig. 11 and 12, the positioning boss 3101 has a cross-sectional shape of a circular arc boss of 180 °.

On the basis of the above embodiment, in order to adapt and simplify the fixing of the insulating body, further: the insulation body 1 is clamped, limited and positioned and installed at the end part of the intensive bus duct shell by a fastening assembly 10 through a left clamping plate 9 and a right clamping plate 9 which are symmetrical along a left-right axis (as shown in figure 13).

The utility model discloses the installation assembly principle is: firstly, a layer of adhesive is coated on the master-slave structure 5 which is used for being tightly attached by the upper sheath 2 or the lower sheath 3. The lower sheath 3 is correspondingly bent to manufacture each phase of the copper bar 4 of the bus, each phase of the copper bar 4 of the bus is correspondingly placed into the lower row of the U-shaped clamping groove 402 for positioning, then the convex clamping block 21 of the upper sheath 2 is directly aligned to the concave clamping groove 31 of the lower sheath 3, then the upper sheath and the lower sheath are pressed up and down by hands to form the outer side wall of the upper sheath and the lower sheath, and the upper sheath and the lower sheath can be tightly connected into a whole to form the insulating body 1 of each phase of the copper bar 4 of the bus. Finally, as shown in fig. 13, the compact bus duct with the pre-installed insulating body 1 is clamped and fixed between the left and right clamping plates 9 as shown in fig. 13, and the production of the compact bus duct is completed.

From the above description it can be found that: the utility model adopts the insulation sleeve of convex-concave matching joint to replace the wrapping insulation way to manufacture the intensive bus duct, compared with the wrapping production, anyone can realize the assembly manufacture of the conductive component and the insulator, thereby greatly reducing the manufacturing difficulty of the bus end needing the insulation phase sequence and ensuring the uniform product quality of the manufactured bus end phase sequence; the insulators of the copper bar conducting assemblies between adjacent phase sequences are distributed smoothly and smoothly at the bending radian, the thickness is uniform, no folds are generated, and the defect that air bubbles are easily generated by a wrapping insulating layer is overcome; compared with the wrapping and winding process which finishes one product wrapping and winding production period within 0.3h, the assembly mode of buckling and clamping left and right can be finished only by two steps of gluing and buckling, the operation is simple, the installation is efficient, and the working efficiency is greatly improved; the product has uniform appearance quality, more reliable insulation electrical performance of the insulator and stable product performance; the abrasion influence of the wrapping type intensive bus duct in the transportation and installation process is eliminated, and the bus duct is longer in service life and more reliable.

Furthermore, the utility model adopts the injection molding and extrusion molding of the mold, only the mold is required to be opened according to the product structure and the appearance, the standardization degree is high, the hidden quality trouble is avoided, the appearance is neat and beautiful, and the service life is long; the advantages of the materials are combined, the insulating property is excellent, and the quality is reliable; the quick assembly advantage of joint cooperation structure combines sticky insulating seal who realizes closely laminating department, and the quality is reliable.

In summary, the utility model effectively solves the technical problems of complex manufacturing process, low efficiency, easy abrasion, poor quality reliability, non-uniform appearance and quality of the intensive bus duct conductor insulation wrapping in the prior art; simple structure, it is comparatively economical, the practicality is good.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims (8)

1. A no winding insulator of joint formula for intensive bus duct conductor, its characterized in that: the bus bar insulation structure is provided with an insulation body (1), wherein the insulation body (1) is composed of an upper sheath (2) and a lower sheath (3), the outer sides of the upper sheath (2) and the lower sheath (3) are respectively matched, clamped and fixedly connected into a whole through a convex clamping block (21) and a concave clamping groove (31), and the inner sides of the upper sheath (2) and the lower sheath (3) are respectively provided with an upper row of U-shaped clamping grooves (401) and a lower row of U-shaped clamping grooves (402) which are matched and corresponding to the copper bars (4) of each phase of a bus; after the upper sheath and the lower sheath are buckled, the upper row of U-shaped clamping grooves (401) and the lower row of U-shaped clamping grooves (402) are enclosed into a plurality of insulation channels (403) which are matched and corresponding to the copper bars (4) of each phase of the bus, and the insulation channels (403) limit, fix and clamp the bottom insulation position of the copper bars (4) of each phase of the bus in the insulation body (1); and the joint parts of the upper row of U-shaped clamping grooves (401) and the lower row of U-shaped clamping grooves (402) which form a plurality of insulation channels (403) are tightly jointed into a whole by adopting a tightly jointed primary-secondary structure (5).

2. The clamping type no-wind insulator for the compact busway slot conductor of claim 1, wherein: the closely-jointed primary-secondary structure (5) comprises an inclined-plane jointed primary-secondary structure (51), a Z-shaped jointed primary-secondary structure (51) and a convex-concave jointed primary-secondary structure (53).

3. The clamping type no-wind insulator for the compact bus duct conductor of claim 1 or 2, wherein: and the close binding surface of the primary-secondary structure (5) is coated with an insulating sealing adhesive.

4. The clamping type no-wind insulator for the compact busway slot conductor of claim 3, wherein: the insulating sealing adhesive is a polyvinyl acetal modified phenolic resin adhesive.

5. The clamping type no-wind insulator for the compact busway slot conductor of claim 1, wherein: the upper sheath (2), the lower sheath (3), the convex clamping block (21) and the upper row of U-shaped clamping grooves (401) which are respectively arranged on the upper sheath and the lower sheath, and the concave clamping groove (31) and the lower row of U-shaped clamping grooves (402) are respectively integrally formed with the BMC unsaturated polyester bulk resin molding compound for the upper sheath and the lower sheath.

6. The clamping type no-wind insulator for the compact busway slot conductor of claim 1, wherein: an insulation channel of an insulation body (1) consisting of the upper sheath (2) and the lower sheath (3) comprises a PE phase wire slot (6), an N phase wire slot (7), and L1, L2 and L3 phase wire slots (8); the L1, L2, L3 phase line grooves (8) and the N phase line grooves (7) are all axisymmetric U-shaped grooves, and the PE phase line grooves (6) are axisymmetric V-shaped grooves with an opening angle of 90 degrees.

7. The clamping type no-wind insulator for the compact busway slot conductor of claim 1, wherein: the convex fixture block (21) is formed by coaxially and integrally stacking a first boss (2101) at the bottom and a second boss (2102) at the top in a cylindrical shape, wherein a fillet (2103) is formed at the edge of a first step of the second boss (2102), and the root of the second boss (2102) and the first step of the first boss (2101) form an inwards concave right-angle limiting groove structure (2104); the convex clamping block (21) is completely accommodated in the concave clamping groove (31) and is matched, buckled and clamped with the concave clamping groove (31); the vertical groove wall of the concave clamping groove (31) is radially provided with positioning bosses (3101) which are annularly arranged; the positioning boss (3101) and the right-angle limiting groove structure (2104) are positioned, adapted and clamped and completely accommodated in the right-angle limiting groove structure (2104), and the cross section of the positioning boss (3101) is an arc boss with an angle of more than or equal to 180 degrees.

8. The clamping type no-wind insulator for the compact busway slot conductor of claim 1, wherein: the insulation body (1) is clamped, limited, positioned and installed at the end part of the intensive bus duct shell by a fastening assembly (10) through a left clamping plate and a right clamping plate (9) which are symmetrical in a left-right axis mode.

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