CN215817404U - Multi-combination bus insulation supporting device - Google Patents

Abstract

The utility model discloses a multi-combination bus insulating and supporting device, which comprises a multi-combination bus insulating and supporting base, a bus pressing plate and limiting adjusting blocks, wherein the bus pressing plate is fixedly arranged on one side of the multi-combination bus insulating and supporting base, the limiting adjusting blocks are provided with two groups, the two groups of limiting adjusting blocks are fixedly inserted into the multi-combination bus insulating and supporting base through bolts, a bus clamping block is arranged between one side of the outer wall of the multi-combination bus insulating and supporting base and the bus pressing plate, and single-group bus isolating ribs and double-group bus isolating ribs are respectively arranged on two sides of the bus clamping block. The design and the structure are simplified, and the cost is reduced.

Description

Multi-combination bus insulation supporting device

Technical Field

The utility model relates to the technical field of main bus systems of low-voltage complete equipment, in particular to a multi-combination bus insulation supporting device.

Background

The main bus system of low-voltage complete equipment is a primary main loop power transmission system with the transformer output end directly connected with low-voltage complete equipment, and is used for bearing the power transmission task of power distribution of a power grid, and the safety and reliability of the main bus system are directly related to the power distribution quality of the power grid.

The main bus system is a key part of the low-voltage complete electrical appliance, and the bus insulation supporting device is a key component for realizing the safe power transmission of the bus system. It has the following functions: the load bearing device bears rated current carrying under long-term working conditions, bears large-capacity electrodynamic force generated during long-term working, bears impact load generated during short-circuit fault, and bears temperature rise generated by a bus system under long-term working conditions. In the traditional design, adopt traditional generating line to press from both sides, have the rectangular bus connection and the fastening of prefabricated hole through mounting hole and processing, with specification current, the heat dissipation condition is poor, requires that the generating line sectional area is big, and the main bus must prefabricate support hole and branch generating line overlap joint hole, and is with high costs, and technology is complicated, and the reliability is low. At present, MLS series low-voltage switch complete equipment of GE company and MS3.0 series low-voltage intelligent switch complete equipment of ABB company adopt similar combined bus technology and branch bus non-porous lap joint technology, but the design is single, bus clamps with different specifications are required to be configured according to different main bus specifications, and therefore material complexity, error easiness and cost increase are brought.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-combination bus insulation supporting device which can reduce a current-carrying section, realize non-porous lap joint with a branch bus and ensure the operation safety of a primary loop; the multifunctional bus insulation support device has the advantages that the base, the limiting adjusting block, the bus clamping block, the bus pressing plate and other composite structures of the multi-combination bus insulation support device are adopted, the overall rigidity of the device is increased, the safety and the reliability of a main bus system are improved, the multifunctional limiting adjusting block is adopted, the structure is simplified, the installation and the maintenance are convenient, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

a multi-combination bus insulation supporting device comprises a multi-combination bus insulation supporting base, bus pressing plates and limit adjusting blocks, wherein the bus pressing plates are fixedly arranged on one side of the multi-combination bus insulation supporting base;

a bus clamping block is arranged between one side of the outer wall of the multi-combination bus insulating support base and the bus pressing plate, single-group bus isolating ribs and double-group bus isolating ribs are arranged on two sides of the bus clamping block respectively, and fastening holes are formed in the bus clamping block.

And one side of the limiting adjusting block is respectively provided with a small-row wide combined bus limiting surface and a large-row wide combined bus limiting surface.

The bus clamping block is provided with a single-group bus pressing surface and a double-group bus mounting surface respectively, the single-group bus isolation rib is fixedly formed in the center of the surface of the single-group bus pressing surface, and the double-group bus isolation rib is fixedly formed in the center of the surface of the double-group bus mounting surface.

The cross section of the multi-combination bus insulating support base is arranged in a triangular shape, and four groups of mounting holes are symmetrically formed in one side of the multi-combination bus insulating support base.

The outer surface of one side of the multi-combination bus insulation support base is provided with a groove, two groups of base upper combination bus isolation ribs are symmetrically arranged in the groove respectively, two groups of base upper combination bus isolation ribs are arranged in the middle position between the base upper combination bus isolation ribs, and a base upper combination bus installation surface is arranged between the base upper combination bus isolation ribs and the base upper combination bus isolation ribs.

The side, far away from the recess, of the inner wall of the multi-combination bus insulating support base is symmetrically provided with two groups of embedded thread blocks, guide groove inserts are formed in the embedded thread blocks, and threaded holes are symmetrically formed in two sides of the guide groove inserts.

Two groups of limiting adjusting block mounting holes are symmetrically formed in the limiting adjusting blocks, and the limiting adjusting block mounting holes and the threaded holes are concentric and matched.

The combined bus insulation support base is characterized in that a combined bus fixing hole is formed in the center of the inside of the multi-combined bus insulation support base, the combined bus fixing hole penetrates through a combined bus isolation rib on the base, and the combined bus fixing holes with fastening holes are concentric and matched.

And two groups of combined buses are respectively arranged between the multi-combined bus insulation support base and the bus pressing plate.

In summary, due to the adoption of the technology, the utility model has the beneficial effects that:

1. the utility model can be applied to the form that the single-phase bus adopts the combined bus, because the surface area of the bus is increased, the heat dissipation mode of the bus is changed, the rated current is the same, the sectional area of the combined bus is reduced by at least 10% compared with the single bus, the limiting adjusting block is arranged, the utility model can be simultaneously applied to a plurality of groups of combined buses with different row gauges, the design and the structure are simplified, and the cost is reduced;

2. the bus clamping block is arranged in the utility model, and the upper and lower combined buses are separated by the isolation rib, so that the non-porous lap joint space between the bus clamping block and the branch buses is ensured, and the installation is convenient;

3. the bus clamping block arranged in the utility model can be used as a pressing plate of a combined bus and also used as a mounting plate and a middle partition plate of another group of combined buses, so that the bus clamping block is multipurpose, labor and materials are saved;

4. according to the utility model, the composite structures of the multi-combination bus insulation supporting device base, the limiting adjusting block, the bus clamping block, the bus pressing plate and the like are adopted, so that the integral rigidity of the device is increased, and the safety and reliability of a main bus system are improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic perspective view of the multi-combination bus bar insulating support base of the present invention;

FIG. 5 is a schematic perspective view of a spacing adjustment block according to the present invention;

FIG. 6 is a schematic perspective view of a bus bar block of the present invention;

FIG. 7 is a schematic front view showing the structure of embodiment 3 of the present invention;

FIG. 8 is a schematic front view showing a partial structure of embodiment 4 of the present invention;

fig. 9 is a perspective view of the positioning and locking assembly according to embodiment 4 of the present invention.

In the figure: 1. a multi-combination bus insulation support base; 101. mounting holes; 102. a groove; 2. an adjustment assembly; 201. a vertical plate; 202. a support plate; 203. a compression spring; 4. a bus pressing plate; 5. a limiting adjusting block; 51. inserting a guide groove; 61. limiting and adjusting block mounting holes; 7. a combined bus; 81. a combined bus fixing hole; 82. a fastening hole; 9. a bus bar clamping block; 10. embedding a thread block; 11. bus isolation bars are combined on the base; 12. bus isolation bars are combined on the base; 13. a small row width combined bus limiting surface; 14. a large row width combined bus limiting surface; 15. double-group bus isolation bars; 16. a single group of bus isolation bars; 17. a single group of bus pressing surfaces; 18. a double-group bus mounting surface; 19. a positioning and locking assembly; 1901. a connecting rod; 1902. a collar; 1903. positioning wheels; 1904. a threaded rod; 20. and (5) mounting a carrier.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example 1

The utility model provides a multi-combination bus insulation supporting device as shown in fig. 1-6, which comprises a multi-combination bus insulation supporting base 1, a bus pressing plate 4 and a limit adjusting block 5, wherein two groups of combination buses 7 are respectively arranged between the multi-combination bus insulation supporting base 1 and the bus pressing plate 4, the combination buses 7 mean that an upper sheet and a lower sheet are arranged into a combination to replace a row, a large current can replace two or 3 buses by two or three groups, a single bus is changed into two buses which are arranged up and down originally, for example, the current is 800A, the bus specification width x thickness x number is 100 x 5 x single, for the purpose of energy saving, the bus specification is changed into 40 x 5 x 2 buses, namely 1 group of combination buses, and thus, the sectional area is reduced under the same current specification condition; the current 2000A, the width × thickness × number of the bus specification is 100 × 5 × 2, and becomes 40 × 5 × 4, and the bus specification is 2 groups of combined buses arranged up and down; the bus pressing plate 4 is fixedly installed on one side of the multi-combination bus insulating support base 1, the limiting adjusting blocks 5 are provided with two groups, the two groups of limiting adjusting blocks 5 are fixedly inserted into the multi-combination bus insulating support base 1 through bolts, a small-row wide combined bus limiting surface 13 and a large-row wide combined bus limiting surface 14 are respectively arranged on one side of each limiting adjusting block 5, the small-row wide combined bus limiting surface 13 is suitable for being used by a main bus system with a small row width, and the large-row wide combined bus limiting surface 14 is suitable for being used by a main bus system with a large row width.

During installation, the limiting adjusting blocks 5 are inserted into the base 1 of the multi-combination bus insulating and supporting device through the guide grooves 51, the small-row wide bus limiting face 13 and the large-row wide bus limiting face 14 are exposed, the two groups of limiting adjusting blocks 5 are symmetrically installed at the upper end and the lower end of the multi-combination bus insulating and supporting base 1, the combined bus 7 is installed on a combined bus installing face on the base between the combined bus isolating rib 11 on the base and the combined bus isolating rib 12 on the base, the combined bus isolating rib 12 on the base separates the upper bus and the lower buses of the combined bus 7, wherein the limiting adjusting blocks 5 can select different limiting faces according to bus widths, are symmetrically installed, and are convenient for buses of different specifications to use.

A bus clamping block 9 is arranged between one side of the outer wall of the multi-combination bus insulating support base 1 and the bus pressing plate 4, single-group bus isolation ribs 16 and double-group bus isolation ribs 15 are respectively arranged on two sides of the bus clamping block 9, a fastening hole 82 is formed in the bus clamping block 9, a single-group bus pressing surface 17 and a double-group bus mounting surface 18 are respectively arranged on the bus clamping block 9, the single-group bus isolation ribs 16 are fixedly formed in the middle position of the surface of the single-group bus pressing surface 17, the double-group bus isolation ribs 15 are fixedly formed in the middle position of the surface of the double-group bus mounting surface 18, a combination bus fixing hole 81 is formed in the middle position in the multi-combination bus insulating support base 1, the combination bus fixing hole 81 penetrates through the combination bus isolation ribs 12 on the base, and the fastening hole 82 is concentrically arranged and matched with the combination bus fixing hole 81. When a group (2) of combined buses 7 are selected from the single-phase buses of the main bus system, the single-group bus isolation rib 16 separates the upper bus and the lower bus of the combined bus 7, the single-group bus compression joint surface 17 is pressed on the two buses of the selected combined bus 7, the bus pressing plate 4 is pressed on the double-group bus isolation rib 15, the combined bus firstly passes through a fastening hole 82 formed in the bus pressing plate 4, secondly passes through a fastening hole 82 formed in the bus clamping block 9, and finally passes through a combined bus fixing hole 81 formed in the combined bus isolation rib 12 on the base, and then is matched with a flat gasket and an elastic gasket, and a high-strength nut is adopted for tightening, so that the combined bus 7 is fastened.

The section of the multi-combination bus insulating support base 1 is arranged in a triangular shape, the bus pressing plate 4 matched with the multi-combination bus insulating support base is arranged in an Contraband-shaped structure and is matched with the limiting adjusting block 5 and the bus clamping block 9 for use, and the rigidity of the whole device is improved; and one side of the multi-combination bus insulating support base 1 is symmetrically provided with four groups of mounting holes 101, the outer surface of one side of the multi-combination bus insulating support base 1 is provided with a groove 102, two groups of base upper combined bus bar isolation ribs 11 are respectively and symmetrically arranged in the groove 102, a base upper combined bus bar isolation rib 12 is arranged in the middle position between the two groups of base upper combined bus bar isolation ribs 11, two groups of embedded thread blocks 10 are symmetrically arranged on one side of the inner wall of the multi-combination bus insulating support base 1 far away from the groove 102, a guide slot insert 51 is arranged in the embedded thread block 10, threaded holes are symmetrically arranged on two sides of the guide slot insert 51, two sets of spacing regulating block mounting holes 61 have been seted up to spacing regulating block 5 internal symmetry, spacing regulating block mounting hole 61 and screw hole are concentric and match the setting, and spacing regulating block 5 links to each other and fastens through fastening screw and the embedding screw thread piece 10 on the base multiunit combination generating line insulating support base 1.

Example 2

When two groups (4) of combined buses 7 are selected to be used simultaneously by a single-phase bus of a main bus system, an upper bus and a lower bus of the combined bus 7 are separated by using a single-group bus isolation rib 16, a single-group bus compression joint surface 17 is pressed on the two buses of the combined bus 7, the other group of combined bus 7 is installed on a double-group bus installation surface 18, a double-group bus isolation rib 15 is used for separating the upper bus and the lower bus of the other group of combined bus, and a bus pressing plate 4 is pressed on the upper bus and the lower bus of the other group of combined bus, so that a fastening bolt firstly penetrates through the bus pressing plate 4, secondly penetrates through a fastening hole 82 formed in a bus clamping block 9 and finally penetrates through a combined bus fixing hole 81 in a combined bus isolation rib 12 on a base, and then is matched with a flat gasket and an elastic gasket and is tightened by adopting a high-strength nut to finish the fastening of the two groups of combined buses 7.

Example 3

Referring to fig. 7, unlike embodiments 1 and 2, a limit adjusting block 5 is replaced with an adjusting member 2, the adjusting component 2 comprises a vertical plate 201 and two groups of supporting plates 202 which are slidably arranged on one side of the vertical plate 201, two groups of compression springs 203 are symmetrically arranged between the two groups of supporting plates 202, a T-shaped sliding block is arranged on one side of the supporting plates 202, a T-shaped sliding groove is arranged in the vertical plate 201, the T-shaped sliding block and the T-shaped sliding groove are arranged in a matching way, and the T-shaped sliding groove is arranged in a structure which is not opened up and down, so that the two groups of supporting plates 202 are prevented from slipping in the vertical plate 201, and when the T-shaped sliding groove is installed, two groups of supporting plates 202 are extruded to penetrate through the guide groove insertion 51, the distance between the two groups of supporting plates 202 between the two groups of adjusting assemblies 2 can be extruded due to different widths of the combined bus 7 or the other group of combined bus 7, and the combination of the combined bus 7 or the other group of combined bus 7 of the supporting plates 202 is always ensured.

Example 4

Referring to fig. 8-9, a positioning locking component 19 is disposed on one side of an outer wall of the multi-combination bus bar insulating support base 1, the positioning locking component 19 includes a connecting rod 1901, a collar 1902 and positioning wheels 1903 symmetrically disposed on two sides of the collar 1902, the positioning wheels 1903 are deep groove ball bearings, the positioning wheels 1903 are rotatably mounted on a threaded rod 1904, the threaded rod 1904 is in threaded connection with the collar 1902, an end surface of the connecting rod 1901 is provided with an external thread, the connecting rod 1901 is in threaded connection with the multi-combination bus bar insulating support base 1 through the external thread, an end of the connecting rod 1901 away from the external thread is rotatably connected in the collar 1902 through the deep groove ball bearings, the connecting rod 1901, the collar 1902 and the positioning wheels 1903 symmetrically disposed on two sides of the collar 1902 are detachably and conveniently mounted in a threaded connection structure, when the multi-combination bus bar insulating support base 1 is connected with the mounting carrier 20, the installation holes do not need to be processed in the installation carrier 20, and the distance between the two sets of positioning wheels 1903 and the multi-combination bus insulating support base 1 is adjusted directly according to the size of the opening of the installation carrier 20 or the thickness of the section bar wall of the installation carrier 20, so that the installation carrier is adaptive to the model specification of any installation carrier 20 and can slide to any position during installation. In the figure, the mounting carrier is a common mounting carrier for the device.

In the power system, the bus bar system is usually formed by supporting a rectangular conductor material by a set of three-phase integrated (L1, L2, L3) or four-phase integrated (L1, L2, L3, N) insulated bus bar clips, horizontally installed in a bus bar room at the upper end of the switchgear assembly, and each phase uses 1 to 3(100 × 10mm2) or 1 to 3(120 × 10mm2) conductor materials to transmit current, for example: when the current is 3200A, the sectional area S of a copper busbar of TMY-3(100 multiplied by 10mm2) is 3 multiplied by 100 multiplied by 10mm2 is 3000mm 2. When the bus bar system is led to the branch distribution bus bar, bolt connecting holes are drilled on each phase of horizontal bus bar and each phase of vertical bus bar according to standard requirements so as to be mutually fastened and connected by bolts, therefore, when the surface area of the bus bar is increased, the heat dissipation mode of the bus bar is changed, the sectional area of the combined bus bar is reduced by at least 10% compared with that of a single bus bar under the same rated current.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (9)

1. The utility model provides a multiunit closes generating line insulation support device, includes multiunit and closes generating line insulation support base (1), bus clamp plate (4) and spacing regulating block (5), its characterized in that: the bus pressing plate (4) is fixedly arranged on one side of the multi-combination bus insulating support base (1), two groups of limiting adjusting blocks (5) are arranged, and the two groups of limiting adjusting blocks (5) are fixedly inserted into the multi-combination bus insulating support base (1) through bolts;

a bus clamping block (9) is arranged between one side of the outer wall of the multi-combination bus insulating support base (1) and the bus pressing plate (4), single-group bus isolation ribs (16) and double-group bus isolation ribs (15) are arranged on two sides of the bus clamping block (9) respectively, and a fastening hole (82) is formed in the bus clamping block (9).

2. The multi-combination bus bar insulation support device according to claim 1, wherein: and one side of the limiting adjusting block (5) is respectively provided with a small-row wide combined bus limiting surface (13) and a large-row wide combined bus limiting surface (14).

3. The multi-combination bus bar insulation support device according to claim 1, wherein: the bus clamp block (9) is respectively provided with a single-group bus pressing surface (17) and a double-group bus mounting surface (18), the single-group bus isolation rib (16) is fixedly formed in the surface center position of the single-group bus pressing surface (17), and the double-group bus isolation rib (15) is fixedly formed in the surface center position of the double-group bus mounting surface (18).

4. The multi-combination bus bar insulation support device according to claim 1, wherein: the section of the multi-combination bus insulating support base (1) is arranged in a triangular shape, and four groups of mounting holes (101) are symmetrically formed in one side of the multi-combination bus insulating support base (1).

5. The multi-combination bus bar insulation support device according to claim 1, wherein: the outer surface of one side of the multi-combination bus insulation support base (1) is provided with a groove (102), two groups of base upper-combination bus isolation ribs (11) are symmetrically arranged in the groove (102), two groups of base upper-combination bus isolation ribs (12) are arranged in the middle position between the base upper-combination bus isolation ribs (11), and base upper-combination bus isolation ribs (11) and base upper-combination bus isolation ribs (12) are combined to form a base upper-combination bus installation surface.

6. The multi-combination bus bar insulation support device according to claim 5, wherein: the multi-combination bus insulating support base (1) is characterized in that two groups of embedded thread blocks (10) are symmetrically arranged on one side, away from the groove (102), of the inner wall of the multi-combination bus insulating support base (1), guide groove plugs (51) are arranged in the embedded thread blocks (10), and threaded holes are symmetrically formed in two sides of each guide groove plug (51).

7. The multi-combination bus bar insulation support device according to claim 6, wherein: two sets of spacing regulating block mounting holes (61) have been seted up to spacing regulating block (5) interior symmetry, spacing regulating block mounting hole (61) and screw hole are concentric and the matching sets up.

8. The multi-combination bus bar insulation support device according to claim 1, wherein: the combined bus insulation support base is characterized in that a combined bus fixing hole (81) is formed in the center of the inside of the multi-combined bus insulation support base (1), the combined bus fixing hole (81) penetrates through a combined bus isolation rib (12) on the base, and the combined bus fixing hole (81) is concentric and matched with the fastening hole (82).

9. The multi-combination bus bar insulation support device according to claim 1, wherein: two groups of combined buses (7) are respectively arranged between the multi-combined bus insulation support base (1) and the bus pressing plate (4).

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