CN214069500U - Bus end supporting device and bus duct - Google Patents

Abstract

The utility model relates to the technical field of bus ducts, and provides a bus end supporting device and a bus duct, the bus duct comprises a bus shell and a conductive bar, the bus end supporting device comprises an insulating seat, the conductive bar is arranged on the insulating seat in a sliding manner, the conductive bar is suitable for sliding horizontally on the insulating seat, and the insulating seat is arranged in the bus shell; the utility model discloses well bus duct's electrically conductive row is when carrying out the equipment connection, and electrically conductive row is suitable for horizontal slip on the insulator, and the counterpoint of being convenient for is connected, avoids electrically conductive row's removal counterpoint operation to drive the insulator and remove in bus bar shell effectively to guarantee the installation stability of insulator, prevent that the insulator from warping, improve the packaging efficiency who electrically conducts the row.

Description

Bus end supporting device and bus duct

Technical Field

The utility model relates to a bus duct technical field particularly, relates to a bus bar tip strutting arrangement and bus duct.

Background

Among the prior art, the bus duct includes circuit breaker, leads electrical drainage, insulating seat and bus bar shell, leads electrical drainage and passes through insulating seat to be installed in the bus bar shell, leads electrical drainage and includes the current conducting plate of a plurality of interval arrangements, and a plurality of current conducting plates are connected with the leading-out terminal electricity of circuit breaker. But every current conducting plate when installation and be connected with the circuit breaker, need remove the current conducting plate in proper order and be close to the circuit breaker, and then lead to the current conducting plate can drive the insulating seat that is used for bearing the weight of and supports the row of leading electricity and remove in the bus bar shell when removing, and cause the skew dislocation of insulating seat, not only lead to the insulating seat to warp, still influence the packaging efficiency of leading the row of leading electricity.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be that the electrically conductive row of current bus duct when assembling, drives the insulating seat removal in the bus duct shell easily, and then not only leads to the insulating seat to warp, still influences the packaging efficiency who leads to the electrically conductive row.

In order to solve the above problem, the utility model provides a bus-bar end strutting arrangement is applied to the bus duct, the bus duct includes the bus-bar shell and leads the electrical drainage, bus-bar end strutting arrangement includes the insulating seat, lead electrical drainage set up in on the insulating seat, just it is suitable for to lead electrical drainage the horizontal slip on the insulating seat, the insulating seat set up in the bus-bar shell.

Therefore, when the conductive bar of the bus duct is assembled, the conductive bar is suitable for horizontally sliding on the insulating seat, and the insulating seat is effectively prevented from being driven to move in the bus shell by the movement of the conductive bar, so that the installation stability of the insulating seat is ensured, the deformation of the insulating seat is prevented, and the assembly efficiency of the conductive bar is improved.

Optionally, the insulating base includes an insulating base, a first mounting slot is formed in the insulating base, and the conductive bar is embedded in the first mounting slot and adapted to horizontally slide along the first mounting slot.

Optionally, the bus bar further comprises a support structure, the support structure is arranged in the bus bar housing, the insulation seat is arranged on the support structure, and the insulation seat is suitable for sliding horizontally on the support structure.

Optionally, the supporting structure includes a first sliding part and a supporting frame, the supporting frame is a rectangular shell structure with a hollow interior, the first sliding part is disposed on a top plate of the rectangular shell structure, the insulating base further includes a second sliding part, the second sliding part is disposed at one end of the insulating base facing the supporting frame, and the second sliding part is adapted to be slidably connected with the first sliding part.

Optionally, the first sliding part includes at least two guide ribs arranged at intervals, a guide groove is formed between every two adjacent guide ribs, and the second sliding part is a guide protrusion adapted to slide in the guide groove.

Optionally, the supporting structure further includes two positioning adjustment portions, and the two positioning adjustment portions are arranged on the supporting frame at intervals and located at two sides of the insulating base; the positioning adjusting part comprises an adjusting bolt and two adjusting plates, a strip-shaped opening is formed in the top plate, the adjusting plates are arranged at the strip-shaped opening and are connected with the upper end face and the lower end face of the top plate respectively, the adjusting bolt sequentially penetrates through the adjusting plates and is used for fixing the adjusting plates on the supporting frame.

Optionally, the support structure further comprises two first clamping ribs arranged on two sides of the support frame relatively, the bus shell comprises a bus shell body and two second clamping ribs, the two second clamping ribs are arranged on two inner side walls of the bus shell body respectively, and the first clamping ribs are connected with the second clamping ribs in a matched mode.

Optionally, the insulating base further includes an upper cover, the upper cover is adapted to be covered and connected with the insulating base, a second installation clamping groove is formed at a contact position of the upper cover and the conductive bar, and the second installation clamping groove corresponds to the first installation clamping groove.

The utility model discloses still relate to a bus duct, include the bus bar shell, electrically conduct the busbar and as above-mentioned bus bar tip strutting arrangement, electrically conduct the busbar set up in on bus bar tip strutting arrangement's the insulating seat, the insulating seat set up in the bus bar shell, the beneficial effect of bus bar together bus bar tip strutting arrangement's beneficial effect is not repeated here.

Optionally, the bus duct still includes inlet switch box and circuit breaker, the circuit breaker set up in the inlet switch box, bus bar shell wears to locate in the inlet switch box, electrically conductive row with the circuit breaker electricity is connected.

Drawings

Fig. 1 is a schematic structural diagram of a bus duct in an embodiment of the present invention;

fig. 2 is one of schematic partial structural diagrams of the bus duct in the embodiment of the present invention;

fig. 3 is a second schematic view of a partial structure of a bus duct according to an embodiment of the present invention;

fig. 4 is a third schematic view of a partial structure of the bus duct in the embodiment of the present invention;

fig. 5 is a fourth schematic view of a partial structure of the bus duct in the embodiment of the present invention;

fig. 6 is a schematic structural view of a bus bar end supporting device according to an embodiment of the present invention;

fig. 7 is a schematic partial structural view of a bus bar end supporting device according to an embodiment of the present invention;

fig. 8 is a schematic structural view of an upper cover in an embodiment of the present invention;

fig. 9 is a schematic structural view of a support structure according to an embodiment of the present invention;

fig. 10 is a schematic structural view of an insulation base according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a reinforcing plate according to an embodiment of the present invention.

Description of reference numerals:

1-an incoming line switch box; 2-a circuit breaker; 3-a bus bar housing; 31-a busbar housing body; 32-second clamping ribs; 33-covering by using a cover; 34-lower cover; 4-a conductive bar; 5-an insulating base; 51-an insulating base; 511-a first mounting slot; 52-a second slide; 53-upper cover; 531-a second mounting slot; 6-a support structure; 61-a first slide; 62-a support frame; 63-a positioning adjustment part; 631-an adjusting bolt; 632-an adjusting plate; 64-a first clamping rib; 7-reinforcing plates; 71-vertical plate 71; 72-front side panel; 73-rear side panel; 74-upper plate; 75-lower plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the coordinate system XYZ provided herein, the X axis represents the right direction in the forward direction, the X axis represents the left direction in the reverse direction, the Y axis represents the front direction, the Y axis represents the rear direction in the reverse direction, the Z axis represents the upper direction in the forward direction, and the Z axis represents the lower direction in the reverse direction. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the terms "an example," "one example," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or implementation is included in at least one example or implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

For solving the technical problem, as shown in fig. 2, the utility model provides a bus end strutting arrangement is applied to the bus duct, the bus duct includes bus bar shell 3 and electrically conducts row 4, bus end strutting arrangement includes insulating seat 5, electrically conduct arrange 4 set up in on the insulating seat 5, just electrically conduct row 4 be suitable for the horizontal slip on the insulating seat 5, insulating seat 5 set up in bus bar shell 3.

It should be noted that, when the conducting bar 4 of the bus duct is assembled and connected, the conducting bar 4 is manually moved, so that the conducting bar 4 is suitable for sliding horizontally on the insulating base 5, and the insulating base 5 is prevented from moving in the bus casing 3 by the movement of the conducting bar 4, thereby ensuring the installation stability of the insulating base 5, preventing the insulating base 5 from deforming, and improving the assembly efficiency of the conducting bar 4. The insulating seat can be installed on the infrabasal plate of bus shell through modes such as bolt or glue to the equipment that further prevents to lead the electrical drainage drives the insulating seat and removes, guarantees the installation stability of insulating seat and bus shell.

In an embodiment of the present invention, as shown in fig. 4, fig. 5 and fig. 7, the insulating base 5 includes an insulating base 51, a first installation slot 511 is provided on the insulating base 51, and the conductive bar 4 is embedded in the first installation slot 511 and is suitable for sliding horizontally along the first installation slot 511.

It should be noted that the conductive bar 4 includes a plurality of conductive plates arranged at intervals, the first mounting slot 511 includes a plurality of clamping positions, and the plurality of conductive plates of the conductive bar 4 are respectively embedded in the plurality of clamping positions of the first mounting slot 511, so that the plurality of clamping positions of the first mounting slot 511 can not only support the conductive bar 4, but also ensure the insulation between the plurality of conductive plates, thereby preventing short-circuit accidents; insulating seat 5 can adopt insulating material to make, when will lead electrical drainage 4 to assemble, lead electrical drainage 4 and be suitable for along insulating base 51's first installation draw-in groove 511 horizontal slip to prevent that lead electrical drainage 4 from driving insulating base 51 and removing in bus bar shell 3, guarantee insulating base 51's installation stability, prevent that insulating seat 5 from warping.

In an embodiment of the present invention, referring to fig. 2 and 5, the bus bar end supporting device further includes a supporting structure 6, the supporting structure 6 is disposed in the bus bar housing 3, the insulating base 5 is disposed on the supporting structure 6, and the insulating base 5 is adapted to slide horizontally on the supporting structure 6.

It should be noted that the supporting structure 6 is disposed between the inner bottom plate of the bus bar housing 3 and the insulating base 5, and is used for supporting the insulating base 5, which is equivalent to increase the height of the insulating base 5, so as to not only prevent the insulating base 5 from directly contacting the bus bar housing 3, so as to ensure the insulating property of the insulating base 5, but also facilitate the assembly of the conducting bar 4 and the later maintenance; the supporting structure 6 is detachably mounted in the bus bar housing 3, that is, the supporting structure 6 can be embedded in the bus bar housing 3 or taken out of the bus bar housing 3; insulating seat 5 is installed in bearing structure 6's upper end, and insulating seat 5 is suitable for at bearing structure 6's upper end horizontal slip to not only be convenient for adjust insulating seat 5 in the mounted position of bearing structure 6 and bus shell 3 according to actual installation condition is nimble, guarantee steadily to support and lead electrical drainage 4, but also improve insulating seat 5 and bearing structure 6's installation effectiveness.

In an embodiment of the present invention, as shown in fig. 3, fig. 5, fig. 9 and fig. 10, the supporting structure 6 includes a first sliding part 61 and a supporting frame 62, the supporting frame 62 is a rectangular shell structure with a hollow interior, the first sliding part 61 is disposed on a top plate of the rectangular shell structure, the insulating base 5 further includes a second sliding part 52, the second sliding part 52 is disposed at an end of the insulating base 51 facing the supporting frame 62, and the second sliding part 52 is adapted to be slidably connected with the first sliding part 61.

It should be noted that the supporting frame 62 is a rectangular shell structure with a hollow interior, a side plate of the rectangular shell structure, which is consistent with the positive direction of the Z axis in the coordinate system, is a top plate of the rectangular shell structure, and the first sliding member 61 and the top plate of the supporting frame 62 are integrally arranged or detachably connected, wherein the first sliding member 61 and the top plate are detachably connected, a slot is formed in the top plate, the first sliding member 61 is inserted into the slot, or the first sliding member 61 and the top plate are connected through a bolt; the second sliding part 52 is integrally arranged at the lower end of the insulating base 51, when the insulating base 5 is mounted on the supporting structure 6, the insulating base 51 is slidably connected with the first sliding part 61 mounted on the supporting frame 62 through the second sliding part 52, so that the position of the insulating base 51 on the supporting frame 62 is adjusted according to the mounting condition of the conducting bar 4, and the stress of the conducting bar 4 is balanced.

In an embodiment of the present invention, as shown in fig. 6, 9 and 10, the first sliding member 61 includes at least two guiding ribs arranged at intervals, two adjacent guiding ribs form a guiding groove therebetween, and the second sliding member 52 is a guiding protrusion adapted to slide in the guiding groove.

It should be noted that, the position of direction muscle is higher than the position of support frame 62, and then make and form the direction recess between two adjacent direction muscle, the second slider 52 that insulating base 51 lower extreme set up is the direction arch, the bellied quantity of direction matches with the quantity of direction recess, and then make insulating base 51 pass through the protruding horizontal slip in the direction recess of direction, the position takes place the skew when preventing insulating base 51 from moving on bearing structure 6, realize the steady slip of insulating seat 5 on bearing structure 6, prevent insulating seat 5 dislocation deformation, the insulating nature of insulating seat 5 has been guaranteed, the corresponding life who prolongs insulating seat 5.

In an embodiment of the present invention, as shown in fig. 4, fig. 5 and fig. 6, the supporting structure 6 further includes two positioning adjustment portions 63, and the two positioning adjustment portions 63 are disposed on the supporting frame 62 at intervals and located at two sides of the insulating base 51; the positioning adjustment part 63 comprises an adjusting bolt 631 and two adjusting plates 632, a strip-shaped opening is formed in the top plate, the adjusting plates 632 are arranged at the strip-shaped opening, the adjusting plate 632 is connected with the upper end face and the lower end face of the top plate respectively, the adjusting bolt 631 penetrates through the adjusting plates 632 in sequence, and the adjusting plates 632 are fixed on the support frame 62.

The two positioning and positioning portions are mounted on the support frame 62 and located on the left and right sides of the insulating base 5, and are used for adjusting and fixing the position of the insulating base 5 mounted on the support frame 62. A strip-shaped opening is arranged in the middle of a top plate of a support frame 62, two adjusting plates 632 are arranged at intervals from top to bottom, the two adjusting plates 632 are respectively connected with the upper end surface and the lower end surface of the top plate, threaded holes are formed in the two adjusting plates 632, the two adjusting plates 632 are fixed on the top plate by the adjusting bolts 631 penetrating into the threaded holes, the intervals between the two adjusting plates 632 can be adjusted by the adjusting bolts 631, and further the connection firmness between the adjusting plates 632 and the top plate is adjusted, namely, when the adjusting bolts 631 are rotated, the distance between the two adjusting plates 632 is increased, so that the connection between the upper adjusting plate 632 and the lower adjusting plate 632 and the top plate is loosened, at the moment, the adjusting plates can move on the support frame, the insulating base 5 can conveniently move horizontally on the support frame 62, when the conductive bar 4 and the insulating base 5 are stably installed, the distance between the upper adjusting plate 632 and the lower adjusting plate is reduced by rotating the adjusting bolts 631, thereby, the connection between the adjusting plate 632 and the top plate is tight, the position of the insulating base 5 is positioned, and the insulating base 5 is prevented from shaking on the supporting frame 62; and because the supporting frame 62 is a rectangular shell structure, the tightness of the two adjusting plates 632 and the top plate can be adjusted manually through the adjusting bolts 631 conveniently.

In this embodiment, two first sliding parts 61 close to the bar-shaped opening on the supporting frame 62 are that the guiding rib bends to the central axis direction of the supporting frame 62, and then the space is reserved between the guiding rib after bending and the top plate of the supporting frame 62, an adjusting plate 632 on the top plate in two adjusting plates 632 is embedded in the space, thereby when adjusting the position of the adjusting plate 632 on the supporting frame 62, ensuring that the adjusting plate 632 directionally moves on the supporting frame 62, preventing the position deviation of the adjusting plate 632, improving the efficiency of position adjustment of the insulating base 5 on the supporting frame 62, and further improving the assembly efficiency of the conductive bar 4 in the bus duct.

In an embodiment of the present invention, as shown in fig. 3 to 6 and 9, the supporting structure 6 further includes two relative first clamping ribs 64 disposed on two sides of the supporting frame 62, the bus bar housing 3 includes a bus bar housing body 31 and two second clamping ribs 32, two second clamping ribs 32 are respectively disposed on two inner sidewalls of the bus bar housing body 31, and the first clamping ribs 64 are connected to the second clamping ribs 32.

It should be noted that, because the supporting frame 62 is a rectangular casing structure, the two first clamping ribs 64 are relatively arranged at the lower ends of the front and rear outer side walls of the rectangular casing structure, and the first clamping ribs 64 are both bent downward, and the two second clamping ribs 32 are relatively arranged on the two inner side walls of the bus bar casing body 31, and the second clamping ribs 32 are bent upward, so that when the supporting structure 6 is embedded and installed in the bus bar casing 3, the first clamping ribs 64 installed on the outer wall of the supporting frame 62 are slidably embedded into the second clamping ribs 32 arranged on the inner wall of the bus bar casing body 31, so that the first clamping ribs 64 are connected with the second clamping ribs 32 in a matching manner, not only is the installation efficiency of the supporting structure 6 and the bus bar casing 3 improved, but also the installation firmness of the supporting structure 6 and the bus bar casing 3 is ensured; first joint muscle 64 sets up the structure as an organic whole with support frame 62, and second joint muscle 32 sets up the structure as an organic whole with generating line casing body 31 to guarantee the mechanical strength of first joint muscle 64 and second joint muscle 32.

In an embodiment of the present invention, as shown in fig. 5, fig. 6, fig. 7 and fig. 8, the insulating base 5 further includes an upper cover 53, the upper cover 53 is suitable for being connected with the insulating base 51, the upper cover 53 is provided with a second mounting slot 531 at the contact position of the conductive bar 4, and the second mounting slot 531 corresponds to the first mounting slot 511.

It should be noted that the upper cover 53 and the insulating base 51 may be connected by plugging or screws, that is, a plurality of insertion posts are disposed at the lower end of the upper cover 53, a plurality of insertion holes are disposed on the insulating base 51, and the plurality of insertion posts are suitable for being inserted into the plurality of insertion holes, so that the upper cover 53 is plugged onto the insulating base 51; or the upper cover 53 and the insulating base 51 are both provided with bolt holes, and screws sequentially penetrate through the upper cover 53 and the insulating base 51, so that the upper cover 53 is fixed on the insulating base 51; when electrically conductive row 4 at the bus duct installs on insulating seat, need align the head and tail end adjustment of a plurality of current conducting plates, electrically conductive row 4 is suitable for horizontal slip in insulating base 51's first installation draw-in groove 511, be convenient for receive the tail end and align electrically conductive a plurality of current conducting plates of row 4, treat that the assembly of generating line row is accomplished after, close upper cover 53 lid on insulating base 51, at this moment upper cover 53's second installation draw-in groove 531 is connected with electrically conductive row 4 cooperation, thereby realize fixing electrically conductive row 4, prevent electrically conductive row 4 and rock when normal circular telegram operation.

The utility model provides a bus duct, include bus bar shell 3, electrically conductive row 4 and as in above-mentioned embodiment bus bar end strutting arrangement, electrically conductive row 4 set up in on bus bar end strutting arrangement's the insulating seat 5, insulating seat 5 set up in bus bar shell 3, the beneficial effect of bus duct is with bus bar end strutting arrangement's beneficial effect, do not give unnecessary details here.

It should be noted that, as shown in fig. 2, fig. 3 and fig. 4, the bus bar housing 3 further includes an upper cover 33 and a lower cover 34, wherein the upper cover 33 is mounted on the upper end of the bus bar housing body 31 by bolts, the lower cover 34 is mounted on the lower end of the bus bar housing body 31 by bolts, and the upper cover 33 and the lower cover 34 are used for enhancing the mechanical strength of the bus bar housing body 31; the conductive bar 4 is detachably mounted on the insulating seat 5, the insulating seat 5 is mounted in the bus shell body 31 of the bus shell 3, namely, the insulating seat 5 and the conductive bar 4 are both arranged in the bus shell 3, so that the insulating seat 5 and the conductive bar 4 are protected by the bus shell 3; the conductive bar 4 is a conductive bar 4 at the initial section in the bus duct.

The utility model discloses an embodiment, the bus duct still includes inlet switch box 1 and circuit breaker 2, circuit breaker 2 set up in inlet switch box 1, bus-bar shell 3 wears to locate in inlet switch box 1, electrically conductive row 4 with the circuit breaker 2 electricity is connected.

It should be noted that, as shown in fig. 1 and fig. 2, the inlet switch box 1 is a rectangular housing structure with a hollow interior, and is used for installing electrical control elements such as the circuit breaker 2, and the conducting bar 4 includes a plurality of conducting plates, the plurality of conducting plates are respectively connected with each phase terminal of the outlet terminal of the circuit breaker 2 through bolts, and the disconnection or the connection of the circuit breaker 2 controls the power failure or the power on of the conducting bar 4. The bus duct still includes gusset plate 7, bus shell 3 wears to locate in service switch box 1, be convenient for electrically conduct row 4 and circuit breaker 2 electricity and be connected, the rectangle mouth is seted up to gusset plate 7's inside, the rectangle mouth is greater than or equal to bus-bar shell body 31's terminal surface, be convenient for gusset plate 7 cover locate bus-bar shell body 31 outside and be in service switch box 1, gusset plate 7 passes through the bolt and is connected with service switch box 1's right side board, and then strengthen service switch box 1's support intensity by gusset plate 7, prevent to lead electrically that row 4 makes service switch box 1's right side wall atress warp because of gravity towards service switch box 1's one end.

In this embodiment, as shown in fig. 3 and 11, the reinforcing plate 7 includes a vertical plate 71, a front side plate 72, a rear side plate 73, an upper plate 74 and a lower plate 75, where the vertical plate 71 is connected to the right side wall of the inlet switch box 1 through a bolt, a rectangular opening is formed in the middle of the vertical plate 71, and when the vertical plate 71 is sleeved outside the bus bar housing body 31, the front side plate 72 and the rear side plate 73 respectively cling to the front side wall and the rear side wall of the bus bar housing body 31; the bus shell 3 further comprises a first clamping rib and a second clamping rib, the first clamping rib and the second clamping rib are arranged in an up-down symmetrical mode, the first clamping rib is integrally arranged at the upper end of the bus shell body 31, and the second clamping rib is integrally arranged at the lower end of the bus shell body 31; wherein, the quantity of first card muscle is two, and two first card muscle set up relatively, and the upper end of two first card muscle is buckled to the center of generating line shell body 31, thereby form first slot between two first card muscle after buckling, on the same hand, form the second slot between the second card muscle after two buckles, upper plate 74 and hypoplastron 75 of gusset plate 7 are suitable for respectively embedding first slot and second slot in, thereby utilize gusset plate 7 from the front four directions from top to bottom to play the supporting role to generating line shell body 31, the stability of being connected between generating line shell 3 and the service entrance switch box has been strengthened through gusset plate 7 promptly.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The utility model provides a bus end strutting arrangement, is applied to the bus duct, the bus duct includes bus shell (3) and electrically conducts row (4), its characterized in that, bus end strutting arrangement includes insulating seat (5), electrically conduct arrange (4) set up in on insulating seat (5), just electrically conduct row (4) be suitable for horizontal slip on insulating seat (5), insulating seat (5) set up in bus shell (3).

2. The bus bar end support device according to claim 1, wherein the insulating base (5) comprises an insulating base (51), a first mounting slot (511) is formed in the insulating base (51), and the conductive bar (4) is embedded in the first mounting slot (511) and is suitable for sliding horizontally along the first mounting slot (511).

3. The bus bar end support device according to claim 2, further comprising a support structure (6), the support structure (6) being arranged within the bus bar housing (3), the insulating seat (5) being arranged on the support structure (6), the insulating seat (5) being adapted to slide horizontally on the support structure (6).

4. Bus bar end support device according to claim 3, wherein the support structure (6) comprises a first slider (61) and a support frame (62), the support frame (62) being a rectangular shell structure with a hollow interior, the first slider (61) being arranged on the top plate of the rectangular shell structure, the insulating base (5) further comprising a second slider (52), the second slider (52) being arranged at the end of the insulating base (51) facing the support frame (62), the second slider (52) being adapted to be slidably connected with the first slider (61).

5. Bus bar end support device according to claim 4, wherein the first slide (61) comprises at least two guide ribs arranged at a distance from each other, a guide groove being formed between two adjacent guide ribs, and the second slide (52) is a guide projection adapted to slide in the guide groove.

6. The bus bar end support device according to claim 4, wherein the support structure (6) further comprises two positioning adjustment portions (63), and the two positioning adjustment portions (63) are arranged on the support frame (62) at intervals and on both sides of the insulation base (51); positioning control portion (63) includes adjusting bolt (631) and two regulating plate (632), the bar opening has been seted up on the roof, two regulating plate (632) set up in the bar opening part, and two regulating plate (632) respectively with the upper and lower both ends face of roof is connected, adjusting bolt (631) wears to locate two in proper order regulating plate (632) for with two regulating plate (632) are fixed in on support frame (62).

7. The bus bar end supporting device according to claim 4, wherein the supporting structure (6) further comprises two first clamping ribs (64) oppositely arranged on two sides of the supporting frame (62), the bus bar housing (3) comprises a bus bar housing body (31) and two second clamping ribs (32), the two second clamping ribs (32) are respectively arranged on two inner side walls of the bus bar housing body (31), and the first clamping ribs (64) are connected with the second clamping ribs (32) in a matched manner.

8. The bus bar end supporting device according to claim 2, wherein the insulating base (5) further comprises an upper cover (53), the upper cover (53) is suitable for being covered and connected with the insulating base (51), a second mounting clamping groove (531) is formed at a position where the upper cover (53) is in contact with the conductive bar (4), and the second mounting clamping groove (531) corresponds to the first mounting clamping groove (511).

9. Bus duct, characterized in that it comprises a bus bar casing (3), a conducting bar (4) and a bus bar end support device according to any one of claims 1 to 8, said conducting bar (4) being arranged on an insulating seat (5) of said bus bar end support device, said insulating seat (5) being arranged inside said bus bar casing (3).

10. The bus duct according to claim 9, characterized in that, the bus duct further comprises a service switch box (1) and a circuit breaker (2), the circuit breaker (2) is arranged in the service switch box (1), the bus bar housing (3) is arranged in the service switch box (1) in a penetrating manner, and the conductive bar (4) is electrically connected with the circuit breaker (2).

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