CN214590458U - Adjustable fixing structure for sealing bus duct - Google Patents

Abstract

The utility model discloses an adjustable fixed knot constructs for sealing bus duct, comprising a base plate, bus duct casing has been placed to the center department at bottom plate top, set up the spacing subassembly that is provided with two symmetries and sets up on the bottom plate, two spacing subassemblies distribute in bus duct casing's both sides, spacing subassembly includes limiting plate, gag lever post and spacing sleeve pipe, the limiting plate cross-section is L type structure, the limiting plate supports to the bottom surface and the side of bus duct casing, but be connected with the gag lever post of rotation on the limiting plate, the surface screw thread of gag lever post has cup jointed spacing sleeve pipe, the spacing sleeve pipe rigid coupling is on the bottom plate surface, the bottom plate is connected to on the installation wall body through two telescopic supporting component. The connecting piece is fixed on the installation wall body through the connecting bolt, the fixing of the bus duct shell is completed, the fixing of the bus duct shells with different sizes can be completed through the limiting plate and the fixing plate which can move, and the application range of the whole fixing structure is widened.

Description

Adjustable fixing structure for sealing bus duct

Technical Field

The utility model belongs to the technical field of the electrical installation technique and specifically relates to an adjustable fixed knot constructs for enclosed bus duct.

Background

The enclosed bus duct is called bus duct for short, and the enclosed bus duct and the bus duct are the same thing. The enclosed bus duct is a bus system composed of a metal plate (steel plate or aluminum plate) as a protective shell, a conductive bar, an insulating material and related accessories. It can be made into plug-in type closed bus with plug-in junction boxes at intervals, or made into feed type closed bus without junction box in the middle.

The bus duct is generally hung on the wall through a fixing structure, but the traditional fixing structure lacks the adjusting capacity, most fixing structures can only be single and are suitable for the bus duct with one specification, the application range is narrow, and certain limitation is realized. Therefore, an adjustable fixing structure for closing the bus duct is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The adjustable fixing structure for closing the bus duct is provided in the embodiment, and is used for solving the problems that in the prior art, most fixing structures can only be single and are suitable for the bus duct with one specification, the application range is narrow, and certain limitation exists.

According to the utility model discloses an aspect provides an adjustable fixed knot constructs for sealing bus duct, comprising a base plate, the bus duct casing has been placed to the center department at bottom plate top, set up the spacing subassembly that is provided with two symmetries and sets up on the bottom plate, two spacing subassemblies distribute in the both sides of bus duct casing, spacing subassembly includes limiting plate, gag lever post and spacing sleeve pipe, the limiting plate cross-section is L type structure, the limiting plate supports to the bottom surface and the side of bus duct casing, be connected with the gag lever post that can rotate on the limiting plate, the surface thread of gag lever post has cup jointed spacing sleeve pipe, spacing sleeve pipe rigid coupling is on the bottom plate surface, the bottom plate is connected to on the installation wall body through two telescopic supporting component.

Further, the supporting component comprises a connecting piece, a connecting bolt, an upper outer sleeve, an upper limiting ring, an upper limiting plate, a lifting rod and a rotating ring, the connecting piece is fixed on the installation wall body through the connecting bolt, an adjusting groove is formed in the bottom side wall of the connecting piece and the corresponding position of the bottom plate, the adjusting groove is penetrated through the top of the upper outer sleeve, the upper limiting ring is sleeved on the top thread of the upper outer sleeve, the upper limiting ring abuts against the surface of the connecting piece, the upper limiting plate is arranged at the bottom of the connecting piece, and the upper limiting plate abuts against the bottom side wall of the connecting piece.

Furthermore, but go up the lifter that is connected with the rotation in the bottom inner chamber of outer tube, and the surface rigid coupling of lifter has the swivel becket, lifter bottom screw cup joints in the screw hole at outer tube top down, the surface screw of lifter cup joints solid fixed ring, and gu fixed ring supports to outer tube top surface down.

Furthermore, the lower outer sleeve penetrates through an adjusting groove in the bottom plate, a lower limiting plate is arranged at the top of the bottom plate and fixedly connected to the surface of the lower outer sleeve, the lower limiting plate abuts against the upper surface of the bottom plate, a lower limiting ring is sleeved on the bottom surface of the lower outer sleeve in a threaded manner, and the lower limiting ring abuts against the bottom surface of the bottom plate.

Further, the surface of outer tube is provided with supplementary fixed subassembly down, supplementary fixed subassembly includes horizontal sleeve pipe, horizon bar and fixed disk, horizontal sleeve pipe rigid coupling is on the outer wall of outer tube down, threaded connection has the horizon bar in horizontal sleeve pipe's the inner chamber, the terminal rotation of horizon bar is connected with the fixed disk, the fixed disk supports to the outer wall in the busway casing on, the surface rigid coupling of horizon bar has the swivel becket.

Further, still including the subassembly of putting out a fire, the subassembly of putting out a fire is including putting out a fire shell, telescopic link, feed inlet, holding shell and connecting plate, the shell setting of putting out a fire is at the top of busway casing, the both sides of the shell of putting out a fire all are connected with the telescopic link, the telescopic link is connected to down on the outer wall of outer tube.

Further, be provided with evenly distributed's the shell that holds that is used for placing the dry powder in the inner chamber of shell of putting out a fire, adjacent two hold through connecting plate interconnect between the shell, every top of holding the shell all is provided with the inlet pipe of taking the valve, the inlet pipe is connected at shell top lateral wall of putting out a fire, is located to hold and has seted up the export on the shell lateral wall of putting out a fire of shell bottom, be provided with shutoff mechanism in the export.

Further, shutoff mechanism includes top separation board, bottom division board, connecting rod and synchronous board, the equal rigid coupling of top separation board and bottom division board is on the connecting rod, the top of holding the shell is round platform type structure, the top of holding the shell is cylindrical structure, the bottom internal diameter and the export diameter that hold the shell are unanimous.

Further, the top separation board is located the bottom that holds shell round platform part, the bottom separation board is located the export, top separation board and bottom separation board closely laminate with holding shell inner wall and export inner wall respectively, the bottom rigid coupling of connecting rod to synchronous board surface, the equal rigid coupling in top both sides of synchronous board has the montant, the montant bottom is connected with the threaded rod that can rotate, the threaded sleeve pipe has been cup jointed on the surface of threaded rod, the threaded sleeve pipe passes through the connecting rod rigid coupling to the bottom plate on.

Further, the bottom rigid coupling of threaded rod has the connecting shell, the inner chamber that is regular hexagonal prism is seted up to the bottom of connecting shell, the gomphosis is provided with magnet on the connecting shell bottom inner chamber lateral wall, the top of top division board, the top of holding the shell, connecting plate and the inside chamber that holds that encloses into jointly of shell of putting out a fire and be used for filling high-pressure gas.

Through the utility model discloses above-mentioned embodiment, the utility model has the advantages of reasonable design, fix the connecting piece on installation wall body through connecting bolt, accomplish the fixed to the busway casing, can accomplish the fixed to the busway casing of unidimensional not through limiting plate and the fixed disk that can the shift position, promoted whole fixed knot structure's application range.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic plan view of an embodiment of the present invention;

fig. 3 is a schematic structural view of a support assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a fire extinguishing assembly according to an embodiment of the present invention.

In the figure: 1. the device comprises a bottom plate, 2, a bus duct shell, 3, a limiting plate, 4, a limiting rod, 5, a limiting sleeve, 6, a mounting wall body, 7, a connecting piece, 8, a connecting bolt, 9, an adjusting groove, 10, an upper outer sleeve, 11, an upper limiting ring, 12, an upper limiting plate, 13, a lifting rod, 14, a rotating ring, 15, a lower outer sleeve, 16, a threaded hole, 17, a fixing ring, 18, a lower limiting plate, 19, a lower limiting ring, 20, a horizontal sleeve, 21, a horizontal rod, 22, a fixing disc, 23, a fire extinguishing shell, 24, a telescopic rod, 25, a feeding pipe, 26, a containing shell, 27, a connecting plate, 28, an upper partition plate, 29, a lower partition plate, 30, an outlet, 31, a connecting rod, 32, a synchronous plate, 33, a vertical rod, 34, a threaded rod, 35, a threaded sleeve, 36 and a connecting shell.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above 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 may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The adjustable fixing structure for the enclosed bus duct in this embodiment can fix different enclosed bus ducts, for example, the following enclosed bus ducts are provided in this embodiment, and the adjustable fixing structure for the enclosed bus duct in this embodiment can fix the following enclosed bus ducts.

A closed bus duct comprises a duct box, wherein a supporting tube is arranged at the bottom of the duct box and is horizontally arranged, one end of the supporting tube is a diameter-variable section, mounting holes are formed in two ends of the supporting tube, and the mounting hole in one end of the supporting tube is formed in the diameter-variable section of the supporting tube; the left side and the right side of the groove box are provided with passage openings, wherein the passage opening on one side of the groove box is also a diameter-changing section, and the diameter-changing section of the groove box and the diameter-changing section of the supporting tube are positioned on the same side; the plurality of the groove boxes are fixed together in a socket connection mode;

the top of the groove box is provided with an access hole, the access hole is provided with an access door, the bottom plate of the groove box is provided with a heat dissipation hole, the heat dissipation hole is provided with a heat dissipation grid, and the lower part of the heat dissipation grid is provided with a heat dissipation fan; the surface of the cell box bottom plate is provided with a plurality of bus bar supporting pieces.

In a preferred scheme, the supporting tube is of a square tube structure, and the mounting holes at two ends of the supporting tube are positioned on two side surfaces of the supporting tube; the middle section of the supporting tube is also provided with a plurality of mounting holes, and the mounting holes in the middle section of the supporting tube are positioned above and below the supporting tube; the edge of the groove box bottom plate is also provided with a plurality of mounting holes, and the groove box and the supporting tube are fixed through bolts.

In the preferred scheme, the length of the supporting tube is equal to that of the groove box, and the length of the variable diameter section of the supporting tube is equal to that of the variable diameter section of the groove box;

when the two groove boxes are connected, the reducing section of one groove box is inserted into the non-reducing section of the other groove box, and a sealing ring is arranged at the joint between the groove boxes;

when the two groove boxes are connected, the diameter-variable section of one supporting tube is inserted into the non-diameter-variable section of the other supporting tube, and the joint of the two supporting tubes is fixed through a bolt.

In the preferred scheme, a plurality of mounting holes are formed in the periphery of the edge of the access hole, a plurality of mounting holes are also formed in the periphery of the edge of the access door, and the access door and the groove box are fixed through bolts.

In a preferable scheme, a sealing gasket is arranged at the joint of the access door and the groove box.

In the preferred scheme, the number of the bus supporting pieces is eight, and every four bus supporting pieces are arranged at two passage openings of the cell box in parallel in a group.

In a preferred scheme, the bus support comprises an insulator, the insulator is fixed on a bottom plate of the trough box, a concave plate is arranged at the top of the insulator, and a hole is formed in the concave plate.

In the preferred scheme, the inner walls of the groove box and the access door are both provided with insulating layers.

In a preferable scheme, the upper surface of the access door is connected with the side plate of the groove box through a connecting mechanism, and the connecting mechanism comprises a first mounting plate, a second mounting plate, an arc-shaped plate and a long plate; the arc-shaped plate and the long plate are both provided with long holes;

the first mounting plate is mounted on the upper surface of the access door, the second mounting plate is mounted on the side plate of the groove box, and the long plate is fixed with the first mounting plate; the arc-shaped plate is fixed with the second mounting plate; the arc-shaped plate is connected with the long plate through a screw rod, and the screw rod penetrates through the arc-shaped plate and the long hole of the long plate.

Of course, the adjustable fixing structure for the enclosed bus duct in this embodiment may also fix other different enclosed bus ducts. No longer give unnecessary details here, introduce below the utility model discloses an adjustable fixed knot structure for sealing bus duct of the embodiment.

Please refer to fig. 1-4, an adjustable fixing structure for sealing a bus duct comprises a bottom plate 1, a bus duct shell 2 is placed at the center of the top of the bottom plate 1, two limiting assemblies symmetrically arranged are arranged on the bottom plate 1 and distributed on two sides of the bus duct shell 2, each limiting assembly comprises a limiting plate 3, a limiting rod 4 and a limiting sleeve 5, the cross section of each limiting plate 3 is of an L-shaped structure, the limiting plates 3 abut against the bottom surface and the side surface of the bus duct shell 2, the limiting plates 3 are connected with the limiting rods 4 capable of rotating, the surface threads of the limiting rods 4 are sleeved with the limiting sleeves 5, the limiting sleeves 5 are fixedly connected on the surface of the bottom plate 1, and the bottom plate 1 is connected to an installation wall 6 through two telescopic supporting assemblies.

The supporting component comprises a connecting piece 7, a connecting bolt 8, an upper outer sleeve 10, an upper limiting ring 11, an upper limiting plate 12, a lifting rod 13 and a rotating ring 14, the connecting piece 7 is fixed on an installation wall body 6 through the connecting bolt 8, an adjusting groove 9 is formed in the bottom side wall of the connecting piece 7 and the corresponding position of the bottom plate 1, the adjusting groove 9 is penetrated through the top of the upper outer sleeve 10, the upper limiting ring 11 is sleeved on the top thread of the outer sleeve, the upper limiting ring 11 supports the surface of the connecting piece 7, the upper limiting plate 12 is arranged at the bottom of the connecting piece 7, and the upper limiting plate 12 supports the bottom side wall of the connecting piece 7.

The inner cavity at the bottom of the upper outer sleeve 10 is connected with a lifting rod 13 capable of rotating automatically, the surface of the lifting rod 13 is fixedly connected with a rotating ring 14, the bottom of the lifting rod 13 is in threaded sleeve connection with a threaded hole 16 at the top of the lower outer sleeve 15, the surface of the lifting rod 13 is in threaded sleeve connection with a fixing ring 17, and the fixing ring 17 abuts against the surface of the top of the lower outer sleeve 15.

The lower outer sleeve 15 penetrates through the adjusting groove 9 on the bottom plate 1, the top of the bottom plate 1 is provided with a lower limiting plate 18, the lower limiting plate 18 is fixedly connected to the surface of the lower outer sleeve 15, the lower limiting plate 18 abuts against the upper surface of the bottom plate 1, the bottom surface of the lower outer sleeve 15 is in threaded sleeve connection with a lower limiting ring 19, and the lower limiting ring 19 abuts against the bottom surface of the bottom plate 1.

The surface of outer tube 15 is provided with and is provided with supplementary fixed subassembly down, supplementary fixed subassembly includes horizontal casing 20, horizon bar 21 and fixed disk 22, horizontal casing 20 rigid coupling is on the outer wall of outer tube 15 down, threaded connection has horizon bar 21 in horizontal casing 20's the inner chamber, horizon bar 21 end-to-end rotation is connected with fixed disk 22, fixed disk 22 supports to on the outer wall in bus duct casing 2, the surface rigid coupling of horizon bar 21 has swivel 14.

Still include the subassembly of putting out a fire, the subassembly of putting out a fire is including putting out a fire shell 23, telescopic link 24, feed inlet, holding shell 26 and connecting plate 27, put out a fire shell 23 and set up the top at busway casing 2, the both sides of putting out a fire shell 23 all are connected with telescopic link 24, telescopic link 24 is connected to down on the outer wall of outer tube 15.

Be provided with evenly distributed's the shell 26 that holds that is used for placing the dry powder in the inner chamber of fire extinguishing shell 23, adjacent two hold between the shell 26 through connecting plate 27 interconnect, every top that holds shell 26 all is provided with the inlet pipe 25 of taking the valve, inlet pipe 25 is connected at fire extinguishing shell 23 top lateral wall, is located to hold and has seted up export 30 on the fire extinguishing shell 23 lateral wall of shell 26 bottom, be provided with shutoff mechanism on the export 30.

The plugging mechanism comprises an upper separation plate 28, a lower separation plate 29, a connecting rod 31 and a synchronous plate 32, wherein the upper separation plate 28 and the lower separation plate 29 are fixedly connected onto the connecting rod 31, the top of the containing shell 26 is of a circular truncated cone structure, the top of the containing shell 26 is of a cylindrical structure, and the inner diameter of the bottom of the containing shell 26 is consistent with the diameter of an outlet 30.

Go up the division board 28 and be located the bottom that holds 26 round platform parts of shell, bottom division board 29 is located export 30, go up division board 28 and bottom division board 29 closely laminate with holding 26 inner walls of shell and export 30 inner walls respectively, the bottom rigid coupling of connecting rod 31 is to synchronous board 32 surface, the equal rigid coupling in top both sides of synchronous board 32 has montant 33, montant 33 bottom is connected with the threaded rod 34 of rotation, threaded sleeve 35 has been cup jointed on the surface of threaded rod 34, threaded sleeve 35 passes through the connecting rod rigid coupling to bottom plate 1 on.

The bottom rigid coupling of threaded rod 34 has connecting shell 36, the inner chamber that is regular hexagonal prism is seted up to connecting shell 36's bottom, the gomphosis is provided with magnet on the connecting shell 36 bottom inner chamber lateral wall, is convenient for adsorb the body of rod, top division board 28, the top of holding shell 26, connecting plate 27 and the inside chamber that holds that encloses jointly of shell 23 of putting out a fire and be used for filling high-pressure gas. The high-pressure gas is the pressurized carbon dioxide, and the carbon dioxide and the dry powder form the dry powder fire extinguisher together.

When the utility model is used, the busway shell 2 is placed through the bottom plate 1, then the limiting rod 4 is rotated, the limiting rod 4 drives the limiting plate 3 to move towards the side wall of the busway shell 2 in the rotating process until the limiting plate 3 is abutted to the outer wall surface of the busway shell 2, the steps are repeated, the two limiting plates 3 are clamped at the two sides of the busway shell 2 to realize the preliminary fixing of the busway shell 2, then the upper outer sleeve 10 and the lower outer sleeve 15 on the supporting component slide on the adjusting groove 9 to adjust the position of the whole supporting component, then the upper limiting ring 11 and the lower limiting ring 19 are rotated to limit the position of the supporting component, then the rotating ring 14 drives the horizontal rod 21 to rotate, the horizontal rod 21 drives the fixed disk 22 to be abutted to the side wall surface of the busway shell 2 in the rotating process, the fixing of the busway shell 2 is finished, the connecting piece 7 is fixed on the mounting wall 6 through the connecting bolt 8, the completion is to busway casing 2's fixed, can accomplish the fixed to the busway casing 2 of unidimensional not through limiting plate 3 and the fixed disk 22 that can the shift position, has promoted whole fixed knot structure's application range.

When the length of the supporting component needs to be adjusted to adapt to installation of bus duct shells 2 with different heights, the lifting rod 13 is driven to rotate in the threaded hole 16 through the rotating ring 14, and the lifting rod 13 moves up and down in the inner cavity of the threaded hole 16 in the rotating process, so that the length of the whole supporting component is adjusted, and the adaptability of the fixing structure is further improved.

When an electric fire happens inside or on the outer wall of the bus duct, the two rod bodies with the regular hexagonal prism structures at the tops are respectively inserted into the inner cavities at the bottoms of the two connecting shells 36, the rod bodies are made of iron and then rotate, the connecting shells 36 are driven to rotate through the rod bodies, so that the threaded rods 34 are driven to rotate, the threaded rods 34 move downwards under the pushing of threads inside the threaded sleeves 35 in the rotating process, the synchronous plates 32 at the tops of the vertical rods 33 synchronously move downwards, the upper partition plates 28 and the lower partition plates 29 on the connecting rods 31 are driven to move downwards until the upper partition plates 28 at the tops are separated from the outlets 30, high-pressure gas in the accommodating cavities rushes out dry powder in the inner cavities of the accommodating shells 26 from the outlets 30, dry powder extinguishment is achieved, the functionality of the whole fixing structure is improved, extinguishment can be achieved at the first time when an electric fire happens, and the fire intensity is prevented from being expanded.

The utility model discloses an useful part lies in:

1. the utility model has the advantages of reasonable design, fix connecting piece 7 on installation wall body 6 through connecting bolt 8, accomplish the fixed to busway casing 2, can accomplish the fixed to not unidimensional busway casing 2 through limiting plate 3 and the fixed disk 22 that can the shift position, promoted whole fixed knot structure's application range.

2. Upper separation plate 28 and lower separation plate 29 on connecting rod 31 move down, and until the upper separation plate 28 that is located the top also breaks away from export 30, the high-pressure gas that is located in holding the chamber will hold the dry powder in the shell 26 inner chamber and rush out by export 30, realize that the dry powder is put out a fire, promoted whole fixed knot and constructed's functionality, also can accomplish to put out a fire the very first time when the electricity is on fire, avoid the intensity of a fire to enlarge.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an adjustable fixed knot constructs for sealing bus duct which characterized in that: including bottom plate (1), bus duct casing (2) have been placed to the center department at bottom plate (1) top, be provided with the spacing subassembly that two symmetries set up on bottom plate (1), two spacing subassemblies distribute in the both sides of bus duct casing (2), spacing subassembly includes limiting plate (3), gag lever post (4) and spacing sleeve pipe (5), limiting plate (3) cross-section is L type structure, limiting plate (3) support to the bottom surface and the side of bus duct casing (2), be connected with gag lever post (4) that can the rotation on limiting plate (3), spacing sleeve pipe (5) have been cup jointed to the surface screw thread of gag lever post (4), spacing sleeve pipe (5) rigid coupling is on bottom plate (1) surface, bottom plate (1) is connected to on installation wall body (6) through two telescopic supporting component.

2. An adjustable securing structure for busway according to claim 1, wherein: the supporting component comprises a connecting piece (7), a connecting bolt (8), an upper outer sleeve (10), an upper limiting ring (11), an upper limiting plate (12), a lifting rod (13) and a rotating ring (14), the connecting piece (7) is fixed on an installation wall body (6) through the connecting bolt (8), an adjusting groove (9) is formed in the bottom side wall of the connecting piece (7) and the corresponding position of the bottom plate (1), the adjusting groove (9) is penetrated through the top of the upper outer sleeve (10), the upper limiting ring (11) is sleeved on the top thread of the upper outer sleeve (10), the upper limiting ring (11) supports the surface of the connecting piece (7), the upper limiting plate (12) is arranged at the bottom of the connecting piece (7), and the upper limiting plate (12) supports the bottom side wall of the connecting piece (7).

3. An adjustable securing structure for busway according to claim 2, wherein: go up lifter (13) that is connected with the rotation in the bottom inner chamber of outer tube (10), and the surface rigid coupling of lifter (13) has swivel becket (14), lifter (13) bottom screw sleeve connects in screw hole (16) at outer tube (15) top down, the surface screw sleeve of lifter (13) has solid fixed ring (17), and gu fixed ring (17) support to outer tube (15) top surface down.

4. An adjustable securing structure for busway according to claim 3, wherein: the lower outer sleeve (15) penetrates through the adjusting groove (9) in the bottom plate (1), the top of the bottom plate (1) is provided with a lower limiting plate (18), the lower limiting plate (18) is fixedly connected to the surface of the lower outer sleeve (15), the lower limiting plate (18) abuts against the upper surface of the bottom plate (1), a lower limiting ring (19) is sleeved on the bottom surface of the lower outer sleeve (15) in a threaded mode, and the lower limiting ring (19) abuts against the bottom surface of the bottom plate (1).

5. An adjustable securing structure for busway according to claim 4, wherein: the surface of lower outer tube (15) is provided with supplementary fixed subassembly, supplementary fixed subassembly includes horizontal sleeve pipe (20), horizon bar (21) and fixed disk (22), horizontal sleeve pipe (20) rigid coupling is under on the outer wall of outer tube (15), threaded connection has horizon bar (21) in the inner chamber of horizontal sleeve pipe (20), horizon bar (21) end-to-end rotation is connected with fixed disk (22), fixed disk (22) support to the bus duct casing (2) in on the outer wall, the surperficial rigid coupling of horizon bar (21) has swivel becket (14).

6. An adjustable securing structure for busway according to claim 1, wherein: still including the subassembly of putting out a fire, the subassembly of putting out a fire is including putting out a fire shell (23), telescopic link (24), feed inlet, holding shell (26) and connecting plate (27), put out a fire shell (23) and set up the top at busway casing (2), the both sides of putting out a fire shell (23) all are connected with telescopic link (24), telescopic link (24) are connected to down on the outer wall of outer tube (15).

7. An adjustable securing structure for busway according to claim 6, wherein: be provided with evenly distributed's the shell (26) that hold that is used for placing the dry powder in the inner chamber of shell (23) of putting out a fire, adjacent two hold between the shell (26) through connecting plate (27) interconnect, every top that holds shell (26) all is provided with inlet pipe (25) of taking the valve, inlet pipe (25) are connected at shell (23) top lateral wall of putting out a fire, are located and have seted up export (30) on shell (23) lateral wall of putting out a fire of shell (26) bottom, be provided with shutoff mechanism on export (30).

8. An adjustable securing structure for busway according to claim 7 wherein: the plugging mechanism comprises an upper separation plate (28), a lower separation plate (29), a connecting rod (31) and a synchronous plate (32), wherein the upper separation plate (28) and the lower separation plate (29) are fixedly connected on the connecting rod (31), the top of the containing shell (26) is of a round table structure, the top of the containing shell (26) is of a cylindrical structure, and the inner diameter of the bottom of the containing shell (26) is consistent with the diameter of an outlet (30).

9. An adjustable securing structure for busway according to claim 8, wherein: go up division board (28) and be located the bottom that holds shell (26) round platform part, bottom division board (29) are located export (30), go up division board (28) and bottom division board (29) respectively with hold shell (26) inner wall and export (30) inner wall and closely laminate, the bottom rigid coupling of connecting rod (31) is to synchronous board (32) surface, the equal rigid coupling in top both sides of synchronous board (32) has montant (33), montant (33) bottom is connected with threaded rod (34) that can rotate, threaded sleeve (35) have been cup jointed on the surface of threaded rod (34), threaded sleeve (35) are through connecting rod rigid coupling to bottom plate (1).

10. An adjustable securing structure for busway according to claim 9, wherein: the bottom rigid coupling of threaded rod (34) has connecting shell (36), the inner chamber that is regular hexagonal prism is seted up to the bottom of connecting shell (36), the gomphosis is provided with magnet on the connecting shell (36) bottom inner chamber lateral wall, top division board (28), the top of holding shell (26), connecting plate (27) and shell (23) of putting out a fire enclose jointly and enclose into the chamber that holds that is used for filling high-pressure gas.

Images