CN112769081B - Bus duct capable of being rapidly assembled and disassembled - Google Patents
Bus duct capable of being rapidly assembled and disassembled Download PDFInfo
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- CN112769081B CN112769081B CN202110161128.6A CN202110161128A CN112769081B CN 112769081 B CN112769081 B CN 112769081B CN 202110161128 A CN202110161128 A CN 202110161128A CN 112769081 B CN112769081 B CN 112769081B
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- plate
- plates
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- bus duct
- bottom plate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Abstract
The invention discloses a bus duct capable of being rapidly installed and disassembled, which comprises a bottom plate, wherein a first insulating plate is arranged at the top of the bottom plate, side plates are fixedly arranged on the left side and the right side of the bottom plate, a top plate is arranged at the tops of the side plates, elastic mechanisms are arranged in the two side plates, a fixing mechanism is arranged in the bottom plate, and a clamping mechanism is arranged at the top of the top plate. According to the invention, the L-shaped plates on two sides are positioned between the tops of the two side plates through the elasticity of the first spring, the busbar can be easily inserted into the top of the bottom plate, the L-shaped plates are downwards extruded through the pressing plate, the first insulation plate is contacted with the top surface of the bottom plate, the fixing and limiting of the busbar are completed, the pull rod and the bolt are sequentially adjusted to limit the first insulation plate and the vertical plate, the assembly of the device is completed, during maintenance, a maintainer removes the top plate, the busbar is popped out under the action of the elasticity of the first spring, the maintenance and replacement operation of the busbar are facilitated, the top plate can be removed at any time, and the busbar can be adjusted again at any time after being installed.
Description
Technical Field
The invention relates to the technical field of bus ducts, in particular to a bus duct capable of being quickly mounted and dismounted.
Background
The bus duct is a closed metal device formed from copper and aluminium bus posts, and is used for distributing large power for every element of dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects.
But present bus duct adopts fixed plate welding to form usually when in actual use, cuts the plate even when dismantling and maintaining, leads to just being difficult to readjust after the installation of generating line row, and also convenient later maintenance more can't change at any time, influences the use.
Therefore, it is necessary to provide a bus duct with quick assembly and disassembly to solve the above problems.
Disclosure of Invention
The invention aims to provide a bus duct with rapid installation and disassembly, wherein L-shaped plates on two sides are positioned between the tops of two side plates through first spring elasticity, a bus bar can be easily inserted at the top of a bottom plate, the L-shaped plates are downwards extruded through a pressing plate, a first insulating plate is contacted with the top surface of the bottom plate, the fixing and limiting of the bus bar are completed, a pull rod and a bolt are sequentially adjusted to limit the first insulating plate and a vertical plate, the assembly of the device is completed, when the bus bar needs to be maintained and overhauled, a maintainer removes a top plate, the bus bar can be popped up under the action of the first spring elasticity, the maintenance and replacement operation of the bus bar are facilitated, the top plate can be removed at any time, and the bus bar can be adjusted again at any time after being installed, so as to solve the defects in the technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a bus duct capable of being rapidly mounted and dismounted comprises a bottom plate, wherein a first insulating plate is arranged at the top of the bottom plate, side plates are fixedly arranged on the left side and the right side of the bottom plate respectively, a top plate is arranged at the tops of the side plates, elastic mechanisms are arranged inside the two side plates respectively, a fixing mechanism is arranged inside the bottom plate, and a clamping mechanism is arranged at the top of the top plate;
the elastic mechanism is used for adjusting the position of the first insulating plate;
the fixing mechanism is used for fixing the position of the first insulating plate and enhancing the connection strength of the first insulating plate and the bottom plate;
the clamping mechanism is used for clamping and fixing the two side plates and the top plate.
Preferably, two elastic mechanism all includes the spout, the spout is seted up on the adjacent side surface of two curb plates, the inner wall surface that the curb plate is located the spout below has seted up the recess, the inside first spring of a plurality of that is equipped with of recess, first spring bottom and curb plate fixed connection, the fixed L shaped plate that is equipped with in first spring top, the L shaped plate passes through spout and curb plate sliding connection, two the draw-in groove has been seted up on the adjacent side bottom surface of L shaped plate, the first insulation board left and right sides is all fixed and is equipped with the fixture block, the fixture block is pegged graft with the draw-in groove.
Preferably, fixed establishment includes the bolt, the bolt passes through the bearing rotation with the bottom plate and is connected, bolt top outside threaded connection has the sleeve, the sleeve sets up to the cuboid form, and with bottom plate sliding connection, the blind hole has been seted up on the surface that first insulating plate is located the sleeve top, sleeve and blind hole phase-match.
Preferably, latch mechanism includes the diaphragm, the inside left and right sides of diaphragm all slides and is equipped with the picture peg, two be equipped with a plurality of second spring between the picture peg, second spring both ends respectively with two picture peg fixed connection, two curb plate top surface all fixes and is equipped with the riser, the riser extend to the roof inside and with roof sliding connection, the through-hole has been seted up at the riser top, two inside the one side that the second spring was kept away from to the picture peg inserted rather than adjacent through-hole respectively, and with riser sliding connection, two a side fixed surface that the picture peg is close to the second spring is equipped with the pull rod, spacing hole has all been seted up on the diaphragm left and right sides top surface, the pull rod passes through spacing hole and diaphragm sliding connection.
Preferably, the fixture block and the clamping groove are in interference fit.
Preferably, the number of the bolts is not less than four, the bolts are uniformly distributed at the bottom of the bottom plate in a rectangular array, and the number of the blind holes is equal to that of the bolts.
Preferably, roof bottom fixed surface inlays and has the second insulation board, a plurality of fixed slot has all been seted up to second insulation board bottom and first insulation board top, be equipped with a plurality of generating line row between first insulation board and the second insulation board, the generating line is arranged and is pegged graft through fixed slot and first insulation board and second insulation board, the generating line is arranged and is matchd with the fixed slot.
Preferably, pressing plates are fixedly arranged on two sides of the bottom of the top plate, the bottoms of the pressing plates are in contact with the L-shaped plate, and the pressing plates are made of graphene.
Preferably, two a plurality of louvre has all been seted up to the lateral surface that the curb plate kept away from each other, the louvre is the even distribution in curb plate inside of rectangular array, five are no less than to the quantity of louvre.
Preferably, each of the two sides of the busbar is provided with a moisture-proof layer, the bottom of the moisture-proof layer is fixedly connected with the top surface of the first insulating plate, and the moisture-proof layer is made of waterproof epoxy resin.
In the technical scheme, the invention provides the following technical effects and advantages:
when the busbar is installed, the L-shaped plates at two sides are positioned between the tops of the two side plates through the first spring elasticity, the busbar can be easily inserted at the top of the bottom plate, the busbar is completely exposed at the tops of the side plates, an installer can observe and adjust the busbar conveniently, the L-shaped plates are downwards extruded through the pressing plate to drive the first insulation plate to downwards move, the first insulation plate is contacted with the surface of the top of the bottom plate, the fixing and limiting of the busbar are completed, the pull rod and the bolt are sequentially adjusted to limit the vertical plate and the first insulation plate, the device is assembled, when the busbar needs to be maintained and overhauled, a maintainer removes the top plate, the busbar can pop up under the action of the first spring elasticity, so that the maintainer can observe the use condition of the busbar conveniently and is beneficial to the overhauling and replacing operation of the busbar, compared with the prior art, the device avoids the welding of fixed plates when being actually used, the roof can be dismantled at any time, and the generating line row can be adjusted at any time after the installation again, makes things convenient for later maintenance and change, is favorable to the use.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the top plate structure of the present invention;
FIG. 3 is a schematic view of the side panel structure of the present invention;
FIG. 4 is an exploded view of the first insulating plate and the L-shaped plate of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 1 according to the present invention.
Description of reference numerals:
the heat-insulating plate comprises a base plate 1, a first insulating plate 2, a side plate 3, a top plate 4, a sliding chute 51, a groove 52, a first spring 53, an L-shaped plate 54, a clamping groove 55, a clamping block 56, a bolt 61, a sleeve 62, a blind hole 63, a transverse plate 71, a plug board 72, a second spring 73, a vertical plate 74, a through hole 75, a pull rod 76, a spacing hole 77, a second insulating plate 8, a fixing groove 9, a busbar 10, a pressing plate 11, heat dissipation holes 12 and a damp-proof layer 13.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides a bus duct which is rapid in installation and disassembly and is shown in figures 1-5, and the bus duct comprises a bottom plate 1, wherein a first insulating plate 2 is arranged at the top of the bottom plate 1, side plates 3 are fixedly arranged at the left side and the right side of the bottom plate 1, a top plate 4 is arranged at the top of each side plate 3, elastic mechanisms are arranged inside each side plate 3, a fixing mechanism is arranged inside the bottom plate 1, and a clamping mechanism is arranged at the top of each top plate 4;
the elastic mechanism is used for adjusting the position of the first insulating plate 2;
the fixing mechanism is used for fixing the position of the first insulating plate 2 and enhancing the connection strength of the first insulating plate 2 and the bottom plate 1;
the clamping mechanism is used for clamping and fixing the two side plates 3 and the top plate 4.
Further, in the above technical scheme, two elastic mechanism all includes spout 51, spout 51 sets up in the adjacent side surface of two curb plates 3, curb plate 3 is located the inner wall surface of spout 51 below and has seted up recess 52, the inside first spring 53 of a plurality of that is equipped with of recess 52, first spring 53 bottom and curb plate 3 fixed connection, the fixed L shaped plate 54 that is equipped with in first spring 53 top, L shaped plate 54 passes through spout 51 and curb plate 3 sliding connection, two draw-in groove 55 has been seted up on the adjacent side bottom surface of L shaped plate 54, the equal fixed fixture block 56 that is equipped with in the first insulation board 2 left and right sides, fixture block 56 pegs graft with draw-in groove 55.
Further, in the above technical scheme, the fixing mechanism includes a bolt 61, the bolt 61 is rotatably connected with the bottom plate 1 through a bearing, a sleeve 62 is connected to the outer side of the top end of the bolt 61 through a thread, the sleeve 62 is set to be a rectangular shape and is slidably connected with the bottom plate 1, a blind hole 63 is formed in the surface of the first insulating plate 2, which is located at the top of the sleeve 62, and the sleeve 62 is matched with the blind hole 63.
Further, in the above technical solution, the locking mechanism includes a horizontal plate 71, the left and right sides of the inside of the horizontal plate 71 are provided with inserting plates 72 in a sliding manner, a plurality of second springs 73 are arranged between the two inserting plates 72, two ends of the second spring 73 are respectively fixedly connected with two inserting plates 72, the top surfaces of the two side plates 3 are respectively fixedly provided with a vertical plate 74, the vertical plate 74 extends into the top plate 4 and is connected with the top plate 4 in a sliding manner, a through hole 75 is formed in the top of the vertical plate 74, one side of each of the two insert plates 72 far away from the second spring 73 is respectively inserted into the through holes 75 adjacent to the insert plate, and is connected with a vertical plate 74 in a sliding way, a pull rod 76 is fixedly arranged on one side surface of the two insert plates 72 close to the second spring 73, limiting holes 77 are formed in the top surfaces of the left side and the right side of the transverse plate 71, and the pull rod 76 is connected with the transverse plate 71 in a sliding mode through the limiting holes 77.
Further, in the above technical solution, the latching block 56 and the latching groove 55 are in interference fit, so that sufficient friction force is provided between the latching block 56 and the L-shaped plate 54, and the position of the latching block 56 after being inserted into the latching groove 55 is convenient to fix.
Further, in the above technical solution, the number of the bolts 61 is not less than four, the bolts 61 are uniformly distributed at the bottom of the bottom plate 1 in a rectangular array, and the number of the blind holes 63 is equal to the number of the bolts 61.
Further, in above-mentioned technical scheme, 4 bottom fixed surface of roof inlays and has second insulation board 8, a plurality of fixed slot 9 has all been seted up to 8 bottoms of second insulation board and 2 tops of first insulation board, be equipped with a plurality of generating line row 10 between first insulation board 2 and the second insulation board 8, generating line row 10 pegs graft through fixed slot 9 and first insulation board 2 and second insulation board 8, generating line row 10 and fixed slot 9 phase-match.
Further, in the above technical scheme, pressing plates 11 are fixedly arranged on both sides of the bottom of the top plate 4, the bottom of each pressing plate 11 is in contact with the L-shaped plate 54, and the pressing plates 11 are made of graphene.
Further, in the above technical scheme, two lateral surfaces of the lateral plates 3 away from each other are all provided with a plurality of heat dissipation holes 12, the heat dissipation holes 12 are uniformly distributed in the lateral plates 3 in a rectangular array, the number of the heat dissipation holes 12 is not less than five, heat generated by the busbar 10 can be absorbed and gathered by the pressing plate 11, and then the heat dissipation holes 12 penetrate through the sliding groove 51 and finally dissipated, so that the heat dissipation effect is good, the speed is high, and the device is favorable for use.
Further, in above-mentioned technical scheme, wherein every the both sides of generating line row 10 all are equipped with dampproof course 13, dampproof course 13 bottom and 2 top fixed surface of first insulating plate are connected, dampproof course 13 sets up to waterproof epoxy, and dampproof course 13 can avoid generating line row 10 to absorb steam and become damp to guarantee its safe work.
The implementation mode is specifically as follows: when the invention is used, the L-shaped plates 54 at two sides are positioned between the tops of the two side plates 3 under the action of the elastic force of the first spring 53, an installer can insert the first insulating plate 2 into the clamping groove 55 in a sliding manner, and the front and rear ends of the first insulating plate 2 are aligned with the L-shaped plates 54, at this time, the installer can install and fix the bus bar 10, the bus bar 10 can be easily inserted into the top of the bottom plate 1 by matching the moisture-proof layer 13 with the fixing groove 9 at the top of the first insulating plate 2, and at this time, the bus bar 10 is completely exposed at the top of the side plates 3, so that the installer can observe and adjust the bus bar 10, and is favorable for installing the bus bar 10, then the installer pulls the pull rods 76 at two sides to drive the inserting plates 72 to move, so that the two inserting plates 72 are closed, the two sides at the bottom of the top plate 4 are aligned with the side plates 3, presses the top plate 4, so that the vertical plate 74 is inserted into the top plate 4, and in the process that the top plate 4 moves downwards, the pressing plate 11 presses the L-shaped plates 54 downwards to force the first springs 53 to contract, the two L-shaped plates 54 move downwards to drive the first insulating plate 2 to move downwards, and finally the first insulating plate 2 is in contact with the top surface of the bottom plate 1, when the vertical plate 74 is completely inserted into the top plate 4, the top of the busbar 10 is just completely inserted into the fixing groove 9 at the bottom of the second insulating plate 8, the top of the moisture-proof layer 13 is in contact with the bottom of the second insulating plate 8, so that the fixing and limiting of the busbar 10 are completed, finally, an installer loosens the pull rod 76 to remove the limiting of the two insertion plates 72, the insertion plates 72 are far away from each other under the elastic force of the second springs 73 and are finally inserted into the through holes 75 to limit the up-and-down movement of the vertical plate 74, namely, the installation of the top plate 4 is completed, then the installer twists the bolts 61, the bolts 61 rotate to enable the sleeves 62 to move downwards, and then enter the blind holes 63, the first insulating plate 2 is limited in the front-back direction, the position fixing of the first insulating plate 2 is completed, and the assembly of the device and the bus bar 10 is completed, when the bus bar 10 needs to be maintained and overhauled, the maintainer adjusts the pull rod 76 in the above way, so that the inserting plate 72 releases the limit of the top plate 4, the top plate 4 can be removed, the bus bar 10 and the first insulating plate 2 can be popped up under the action of the elastic force of the first spring 53, thereby being convenient for maintenance personnel to observe the use condition of the bus bar 10 and being beneficial to the maintenance and replacement operation, this embodiment has specifically solved present bus duct among the prior art when in-service use, adopts fixed plate welding to form usually, cuts the plate even when dismantling and maintaining, leads to just being difficult to readjust after the installation of generating line row 10, also is convenient for later maintenance, more can't change at any time, influences the problem of use.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides a quick bus duct is dismantled in installation, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is provided with a first insulating plate (2), the left side and the right side of the bottom plate (1) are respectively fixedly provided with a side plate (3), the top of each side plate (3) is provided with a top plate (4), an elastic mechanism is respectively arranged inside each side plate (3), a fixing mechanism is arranged inside the bottom plate (1), and the top of each top plate (4) is provided with a clamping mechanism;
the elastic mechanism is used for adjusting the position of the first insulating plate (2);
the fixing mechanism is used for fixing the position of the first insulating plate (2) and enhancing the connection strength of the first insulating plate (2) and the bottom plate (1);
the clamping mechanism is used for clamping and fixing the two side plates (3) and the top plate (4);
the two elastic mechanisms respectively comprise a sliding groove (51), the sliding grooves (51) are formed in one side surface of each of the two adjacent side plates (3), a groove (52) is formed in the inner wall surface of each of the side plates (3) below the sliding groove (51), a plurality of first springs (53) are arranged in each groove (52), the bottom ends of the first springs (53) are fixedly connected with the side plates (3), an L-shaped plate (54) is fixedly arranged at the top end of each first spring (53), the L-shaped plate (54) is slidably connected with the side plates (3) through the sliding groove (51), clamping grooves (55) are formed in the bottom surfaces of the two adjacent sides of the two L-shaped plates (54), clamping blocks (56) are fixedly arranged on the left side and the right side of each first insulating plate (2), and the clamping blocks (56) are inserted into the clamping grooves (55);
the fixing mechanism comprises a bolt (61), the bolt (61) is rotatably connected with the bottom plate (1) through a bearing, a sleeve (62) is connected to the outer side of the top end of the bolt (61) in a threaded mode, the sleeve (62) is cuboid and is in sliding connection with the bottom plate (1), a blind hole (63) is formed in the surface, located at the top of the sleeve (62), of the first insulating plate (2), and the sleeve (62) is matched with the blind hole (63);
the clamping mechanism comprises a transverse plate (71), insertion plates (72) are arranged on the left side and the right side of the interior of the transverse plate (71) in a sliding mode, a plurality of second springs (73) are arranged between the insertion plates (72), two ends of each second spring (73) are fixedly connected with the two insertion plates (72), a vertical plate (74) is fixedly arranged on the top surface of each side plate (3), each vertical plate (74) extends into the top plate (4) and is in sliding connection with the top plate (4), a through hole (75) is formed in the top of each vertical plate (74), one side, far away from the second spring (73), of each insertion plate (72) is inserted into a through hole (75) adjacent to the corresponding insertion plate and is in sliding connection with the corresponding vertical plate (74), a pull rod (76) is fixedly arranged on the surface of one side, close to the second spring (73), of each insertion plate (72), a limiting hole (77) is formed in the top surfaces of the left side and the right side of the transverse plate (71), the pull rod (76) is connected with the transverse plate (71) in a sliding mode through a limiting hole (77).
2. The quick-to-mount and quick-to-dismount bus duct of claim 1, wherein: the clamping block (56) and the clamping groove (55) are in interference fit.
3. The quick-to-mount and quick-to-dismount bus duct of claim 1, wherein: the number of the bolts (61) is not less than four, the bolts (61) are uniformly distributed on the bottom of the bottom plate (1) in a rectangular array, and the number of the blind holes (63) is equal to that of the bolts (61).
4. The quick-to-mount and quick-to-dismount bus duct of claim 1, wherein: roof (4) bottom fixed surface inlays and has second insulation board (8), a plurality of fixed slot (9) have all been seted up at second insulation board (8) bottom and first insulation board (2) top, be equipped with between first insulation board (2) and second insulation board (8) a plurality of generating line row (10), generating line row (10) are pegged graft through fixed slot (9) and first insulation board (2) and second insulation board (8), generating line row (10) and fixed slot (9) phase-match.
5. The quick-to-mount and quick-to-dismount bus duct of claim 1, wherein: the novel graphene plate is characterized in that pressing plates (11) are fixedly arranged on two sides of the bottom of the top plate (4), the bottoms of the pressing plates (11) are in contact with the L-shaped plate (54), and the pressing plates (11) are arranged to be graphene.
6. The quick-to-mount and quick-to-dismount bus duct of claim 1, wherein: two a plurality of louvre (12) have all been seted up to a side surface that curb plate (3) kept away from each other, louvre (12) are the even distribution in curb plate (3) inside in rectangular array, five are no less than in the quantity of louvre (12).
7. The quick-to-mount and quick-to-dismount bus duct of claim 4, wherein: wherein every the both sides of generating line row (10) all are equipped with dampproof course (13), dampproof course (13) bottom and first insulating plate (2) top fixed surface are connected, dampproof course (13) set up to waterproof epoxy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110161128.6A CN112769081B (en) | 2021-02-05 | 2021-02-05 | Bus duct capable of being rapidly assembled and disassembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110161128.6A CN112769081B (en) | 2021-02-05 | 2021-02-05 | Bus duct capable of being rapidly assembled and disassembled |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112769081A CN112769081A (en) | 2021-05-07 |
| CN112769081B true CN112769081B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110161128.6A Active CN112769081B (en) | 2021-02-05 | 2021-02-05 | Bus duct capable of being rapidly assembled and disassembled |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114336476A (en) * | 2022-02-16 | 2022-04-12 | 鼎圣集团电力工程有限公司 | Stable bus duct of fire-fighting power supply and distribution main line system |
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|---|---|---|---|---|
| CN109980589A (en) * | 2019-04-30 | 2019-07-05 | 镇江茗驰电气有限公司 | A kind of bus duct being easily installed |
| CN209786734U (en) * | 2019-05-07 | 2019-12-13 | 大航有能电气有限公司 | Self-locking type fastening equipment for bus duct |
| CN210669434U (en) * | 2019-10-22 | 2020-06-02 | 江苏翔凌电气设备有限公司 | Fireproof bus duct |
| CN211790633U (en) * | 2020-04-28 | 2020-10-27 | 镇江西杰电气有限公司 | Fast assembly type bus duct |
| CN212114692U (en) * | 2020-05-19 | 2020-12-08 | 陈宇军 | Bus duct convenient to assemble |
| CN212366763U (en) * | 2020-07-19 | 2021-01-15 | 苏正智能电气有限公司 | Sealed effectual resin casting waterproof bus duct |
-
2021
- 2021-02-05 CN CN202110161128.6A patent/CN112769081B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980589A (en) * | 2019-04-30 | 2019-07-05 | 镇江茗驰电气有限公司 | A kind of bus duct being easily installed |
| CN209786734U (en) * | 2019-05-07 | 2019-12-13 | 大航有能电气有限公司 | Self-locking type fastening equipment for bus duct |
| CN210669434U (en) * | 2019-10-22 | 2020-06-02 | 江苏翔凌电气设备有限公司 | Fireproof bus duct |
| CN211790633U (en) * | 2020-04-28 | 2020-10-27 | 镇江西杰电气有限公司 | Fast assembly type bus duct |
| CN212114692U (en) * | 2020-05-19 | 2020-12-08 | 陈宇军 | Bus duct convenient to assemble |
| CN212366763U (en) * | 2020-07-19 | 2021-01-15 | 苏正智能电气有限公司 | Sealed effectual resin casting waterproof bus duct |
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| CN112769081A (en) | 2021-05-07 |
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