CN209913420U - Bridge rack trunking assembly - Google Patents

Bridge rack trunking assembly Download PDF

Info

Publication number
CN209913420U
CN209913420U CN201920935061.5U CN201920935061U CN209913420U CN 209913420 U CN209913420 U CN 209913420U CN 201920935061 U CN201920935061 U CN 201920935061U CN 209913420 U CN209913420 U CN 209913420U
Authority
CN
China
Prior art keywords
port
linear groove
matched
along
piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920935061.5U
Other languages
Chinese (zh)
Inventor
洪永泰
何志钦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Lide Electrical Appliance Manufacturing Co Ltd
Original Assignee
Xiamen Lide Electrical Appliance Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Lide Electrical Appliance Manufacturing Co Ltd filed Critical Xiamen Lide Electrical Appliance Manufacturing Co Ltd
Priority to CN201920935061.5U priority Critical patent/CN209913420U/en
Application granted granted Critical
Publication of CN209913420U publication Critical patent/CN209913420U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bridges Or Land Bridges (AREA)

Abstract

The utility model discloses a crane span structure wire casing subassembly, include: the first straight line groove, the second straight line groove, the third straight line groove, the fourth straight line groove, the first vertical curved through piece and the second vertical curved through piece; the first port of the second straight line groove is matched with the opening of the first straight line groove, the first port of the first vertical curved through piece is matched with the second port of the second straight line groove, the second port of the first vertical curved through piece is matched with the first port of the third straight line groove, the first port of the second vertical curved through piece is matched with the second port of the third straight line groove, the second port of the second vertical curved through piece is matched with the first port of the fourth straight line groove, and the matched ports are fixedly connected through a connecting piece. From this, through adopting the connection piece with each straight line groove with perpendicular curved through piece between splice the installation for the installation is both safe and simple, dismantles the convenience moreover.

Description

Bridge rack trunking assembly
Technical Field
The utility model relates to a building electric power technical field, in particular to crane span structure wire casing subassembly.
Background
Bridge frames are widely used in various fields, in particular as supports for supporting and protecting cables; in the correlation technique, more adopt the mode of welding to spray paint to install fixedly between the crane span structure wire casing, not only the installation preparation is loaded down with trivial details but also has certain risk, makes operations such as dismantlement, maintenance very inconvenient simultaneously.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, an object of the utility model is to provide a crane span structure wire casing subassembly carries out fixed mounting through adopting the connection piece for the installation is both safe and simple, and it is convenient to dismantle moreover.
In order to achieve the above object, the utility model provides a crane span structure wire casing subassembly, include: the cable assembling device comprises a first linear groove, a second linear groove, a third linear groove and a fourth linear groove, wherein cavities are respectively defined by the first linear groove, the second linear groove, the third linear groove and the fourth linear groove so as to be suitable for assembling cables, an opening communicated with the cavities is further formed in the first linear groove, the opening is perpendicular to the first linear groove along the horizontal plane, a first port of the second linear groove is matched with the opening, and the opening is connected with the opening through a connecting sheet along the horizontal plane; the first port of the first vertical curved through piece is matched with the second port of the second linear groove and is connected with the second port of the second linear groove along the horizontal plane through a connecting piece, the second port of the first vertical curved through piece is matched with the first port of the third linear groove and is connected with the first port of the third linear groove along the vertical plane through a connecting piece, and therefore the third linear groove is perpendicular to the second linear groove along the vertical plane; the first port of the second vertical curved through piece is matched with the second port of the third linear groove and is connected with the second port of the third linear groove through a connecting piece along the vertical surface, and the second port of the second vertical curved through piece is matched with the first port of the fourth linear groove and is connected with the first port of the fourth linear groove through a connecting piece along the horizontal surface.
According to the bridge rack wire slot assembly provided by the utility model, the first straight line slot, the second straight line slot, the third straight line slot and the fourth straight line slot respectively define a cavity, the first straight line slot is also provided with an opening communicated with the cavity, the opening is vertical to the first straight line slot along the horizontal plane, the first port of the second straight line slot is matched with the opening, and the opening is connected with the first straight line slot along the horizontal plane through the connecting sheet; the first port of the first vertical curved through piece is matched with the second port of the second linear groove and is connected with the second port of the second linear groove through a connecting piece along the horizontal plane, the second port of the first vertical curved through piece is matched with the first port of the third linear groove and is connected with the first port of the third linear groove through a connecting piece along the vertical plane, so that the third linear groove is vertical to the second linear groove along the vertical plane; the first port of the second vertical curved through piece is matched with the second port of the third linear groove and is connected with the second port of the third linear groove through a connecting piece along the vertical surface, and the second port of the second vertical curved through piece is matched with the first port of the fourth linear groove and is connected with the first port of the fourth linear groove through a connecting piece along the horizontal surface. From this, through adopting the connection piece with each straight line groove with perpendicular curved through piece between splice the installation for the installation is both safe and simple, dismantles the convenience moreover.
Additionally, according to the utility model discloses above-mentioned crane span structure wire casing subassembly that proposes can also have following additional technical characterstic:
optionally, the bridge trunking assembly further comprises a fifth linear slot, and the fifth linear slot is perpendicular to the fourth linear slot along a horizontal plane; the first port of the horizontal curved through piece is matched with the second port of the fourth linear groove and is connected with the second port of the fourth linear groove through a connecting piece along the horizontal plane, and the second port of the horizontal curved through piece is matched with the first port of the fifth linear groove and is connected with the first port of the fifth linear groove through a connecting piece along the horizontal plane.
Optionally, the bridge trunking assembly further comprises a sixth linear slot, and the sixth linear slot is perpendicular to the fifth linear slot along a vertical plane; a first port of the third vertical curved through part is matched with a second port of the fifth linear groove and is connected with the second port of the fifth linear groove through a connecting sheet along the horizontal plane, and a second port of the third vertical curved through part is matched with the first port of the sixth linear groove and is connected with the first port of the sixth linear groove through a connecting sheet along the vertical plane; a seventh linear slot perpendicular to the sixth linear slot along a vertical plane; and a first port of the fourth vertical curved through piece is matched with a second port of the sixth linear groove and is connected with the second port of the sixth linear groove through a connecting piece along a vertical surface, and a second port of the fourth vertical curved through piece is matched with the first port of the seventh linear groove and is connected with the first port of the seventh linear groove through a connecting piece along a horizontal surface.
Optionally, the second port of the seventh linear groove is further connected with a variable diameter linear groove, and the variable diameter linear groove is covered by a terminal cover.
Optionally, the connecting piece is provided with a bolt hole and fixedly connected through a bolt.
Optionally, the bolt is a small semi-round low square neck bolt.
Optionally, a slot cover is further disposed on the first to seventh linear slots to seal the cavity.
Optionally, the wire casing cover is hinged with the corresponding linear groove.
Drawings
Fig. 1 is a schematic structural view of a bridge wire chase assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bridge wire chase assembly according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a bridge trunking assembly, which includes a first straight trunking 101, a second straight trunking 102, a third straight trunking 103, a fourth straight trunking 104, a first vertical curved through component 106, and a second vertical curved through component 107.
The first linear groove 101, the second linear groove 102, the third linear groove 103 and the fourth linear groove 104 respectively define a cavity to be suitable for assembling cables, an opening communicated with the cavity is further formed in the first linear groove 101, the opening is perpendicular to the first linear groove 101 along the horizontal plane, and a first port of the second linear groove 102 is matched with the opening and is connected with the opening along the horizontal plane through a connecting piece 105.
That is, the opening of one end of the first linear groove 101 is the same size as the opening of one end of the second linear groove 102, and after the openings of the two ends are matched, the openings are connected in the horizontal direction between the openings through the connecting piece at the side surfaces of the first linear groove 101 and the second linear groove 102.
The first port of the first vertical curved through part 106 is matched with the second port of the second linear groove 102, and is connected with the second port of the second linear groove 102 through a connecting piece 105 along the horizontal plane, the second port of the first vertical curved through part 106 is matched with the first port of the third linear groove 103, and is connected with the first port of the third linear groove 103 through the connecting piece 105 along the vertical plane, so that the third linear groove 103 is perpendicular to the second linear groove 102 along the vertical plane.
That is, the first end opening of the first vertical curved through part 106 is the same size as the second end opening of the second linear groove 102, and after the openings at the two ends are matched, the first vertical curved through part 106 and the second linear groove 102 are connected in the horizontal direction between the openings through the connecting piece 105; the second end opening of the first vertical curved through part 106 is the same size as the first end opening of the third linear groove 103, and after the openings at the two ends are matched, the first vertical curved through part 106 and the third linear groove 103 are connected in the vertical direction between the openings through the connecting piece 105.
The first port of the second vertical curved through piece is matched with the second port of the third linear groove, is connected with the second port of the third linear groove through a connecting piece along the vertical surface, is matched with the first port of the fourth linear groove along the horizontal surface, and is connected with the first port of the fourth linear groove through the connecting piece.
That is, the first port of the second vertical curved through-piece 107 and the second port of the third linear groove 103 have the same opening size, and after the openings at the two ends are matched, the side surfaces of the second vertical curved through-piece 107 and the third linear groove 103 are connected in the vertical direction between the openings through the connecting piece 105; the second end opening of the second vertical curved through-piece 107 is the same size as the first end opening of the fourth straight-line groove 104, and after the openings at the two ends are matched, the second vertical curved through-piece 107 and the side surface of the fourth straight-line groove 104 are connected in the horizontal direction between the openings through the connecting piece 105.
According to the bridge rack wire slot assembly provided by the utility model, the first straight line slot, the second straight line slot, the third straight line slot and the fourth straight line slot respectively define a cavity, the first straight line slot is also provided with an opening communicated with the cavity, the opening is vertical to the first straight line slot along the horizontal plane, the first port of the second straight line slot is matched with the opening, and the opening is connected with the first straight line slot along the horizontal plane through the connecting sheet; the first port of the first vertical curved through piece is matched with the second port of the second linear groove and is connected with the second port of the second linear groove through a connecting piece along the horizontal plane, the second port of the first vertical curved through piece is matched with the first port of the third linear groove and is connected with the first port of the third linear groove through a connecting piece along the vertical plane, so that the third linear groove is vertical to the second linear groove along the vertical plane; the first port of the second vertical curved through piece is matched with the second port of the third linear groove and is connected with the second port of the third linear groove through a connecting piece along the vertical surface, and the second port of the second vertical curved through piece is matched with the first port of the fourth linear groove and is connected with the first port of the fourth linear groove through a connecting piece along the horizontal surface. From this, through adopting the connection piece with each straight line groove with perpendicular curved through piece between splice the installation for the installation is both safe and simple, dismantles the convenience moreover.
As an example, as shown in fig. 2, the bridge trunking assembly further comprises: a fifth linear slot 108 and a horizontal elbow 109.
Wherein, the fifth linear groove 108 is perpendicular to the fourth linear groove 104 along the horizontal plane; the first port of the horizontal through-bending piece 109 is matched with the second port of the fourth linear groove 104, and is connected with the second port of the fourth linear groove 104 through a connecting piece 105 along the horizontal plane, and the second port of the horizontal through-bending piece 109 is matched with the first port of the fifth linear groove 108 and is connected with the first port of the fifth linear groove 108 through the connecting piece 105 along the horizontal plane.
That is, the fifth linear groove 108 is on a horizontal plane with the fourth linear groove 104, and the fifth linear groove 108 is perpendicular to the fourth linear groove 104.
As an example, as shown in fig. 2, the bridge trunking assembly further comprises: a sixth linear slot 110, a third vertical elbow 111, a seventh linear slot 112, and a fourth vertical elbow 113.
The sixth linear groove 110 is perpendicular to the fifth linear groove 108 along a vertical plane; a first port of the third vertical curved-through piece 111 is matched with a second port of the fifth linear groove 108 and is connected with a second port of the fifth linear groove 108 through a connecting piece 105 along the horizontal plane, and a second port of the third vertical curved-through piece 111 is matched with a first port of the sixth linear groove 110 and is connected with a first port of the sixth linear groove 110 through a connecting piece 105 along the vertical plane; the seventh linear groove 112 is perpendicular to the sixth linear groove 110 along the vertical plane; a first port of the fourth vertical curved through part 113 is matched with a second port of the sixth linear groove 110, and is connected with the second port of the sixth linear groove 110 through a connecting piece 105 along the vertical surface, and a second port of the fourth vertical curved through part 113 is matched with a first port of the seventh linear groove 112, and is connected with the first port of the seventh linear groove 112 through a connecting piece 105 along the horizontal surface.
That is, the sixth linear groove 110 is not on the same horizontal plane as the fifth linear groove 108, and the sixth linear groove 110 is perpendicular to the fifth linear groove 108; the seventh linear groove 112 and the sixth linear groove 110 are not on the same horizontal plane, and the seventh linear groove 112 is perpendicular to the sixth linear groove 110.
In one embodiment, the second port of the seventh linear groove 112 is further connected to a variable diameter linear groove 114, and the variable diameter linear groove 114 adopts a terminal cover 115.
That is, one end of the variable diameter linear groove 114 is connected to the seventh linear groove 112, and the other end is sealed by the terminal cap 115.
As an example, as shown in fig. 1 and 2, the connecting piece 105 is provided with a bolt hole 1050 and is fixedly connected by a bolt 116.
That is, the straight slots and the corresponding elbow members are fixedly connected by fitting the connecting pieces 105 and the bolts 116.
As an example, the bolt 116 is a small semi-round low square neck bolt.
It should be noted that the seam connection is made more stable by using special small semi-round head low square neck bolts.
As an embodiment, a slot cover 117 is further disposed on the first to seventh linear slots 101 to 112 to close the cavity.
The cable is sealed in the cavity by the wire duct cover 117 to protect the cable in the cavity.
As an embodiment, the slot cover 117 is fixed to the linear slot by a hinge.
In summary, according to the bridge rack trunking assembly provided by the present invention, the first linear slot, the second linear slot, the third linear slot and the fourth linear slot respectively define a cavity, and the first linear slot is further provided with an opening communicated with the cavity, the opening is perpendicular to the first linear slot along the horizontal plane, the first port of the second linear slot is adapted to the opening, and the opening is connected to the first port along the horizontal plane through the connecting sheet; the first port of the first vertical curved through piece is matched with the second port of the second linear groove and is connected with the second port of the second linear groove through a connecting piece along the horizontal plane, the second port of the first vertical curved through piece is matched with the first port of the third linear groove and is connected with the first port of the third linear groove through a connecting piece along the vertical plane, so that the third linear groove is vertical to the second linear groove along the vertical plane; the first port of the second vertical curved through piece is matched with the second port of the third linear groove and is connected with the second port of the third linear groove through a connecting piece along the vertical surface, and the second port of the second vertical curved through piece is matched with the first port of the fourth linear groove and is connected with the first port of the fourth linear groove through a connecting piece along the horizontal surface. From this, through adopting the connection piece with each straight line groove with perpendicular curved through piece between splice the installation for the installation is both safe and simple, dismantles the convenience moreover.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (8)

1. A bridge trunking assembly comprising:
the cable assembling device comprises a first linear groove, a second linear groove, a third linear groove and a fourth linear groove, wherein cavities are respectively defined by the first linear groove, the second linear groove, the third linear groove and the fourth linear groove so as to be suitable for assembling cables, an opening communicated with the cavities is further formed in the first linear groove, the opening is perpendicular to the first linear groove along the horizontal plane, a first port of the second linear groove is matched with the opening, and the opening is connected with the opening through a connecting sheet along the horizontal plane;
the first port of the first vertical curved through piece is matched with the second port of the second linear groove and is connected with the second port of the second linear groove along the horizontal plane through a connecting piece, the second port of the first vertical curved through piece is matched with the first port of the third linear groove and is connected with the first port of the third linear groove along the vertical plane through a connecting piece, and therefore the third linear groove is perpendicular to the second linear groove along the vertical plane;
the first port of the second vertical curved through piece is matched with the second port of the third linear groove and is connected with the second port of the third linear groove through a connecting piece along the vertical surface, and the second port of the second vertical curved through piece is matched with the first port of the fourth linear groove and is connected with the first port of the fourth linear groove through a connecting piece along the horizontal surface.
2. The bridge trunking assembly of claim 1 further comprising:
a fifth linear groove perpendicular to the fourth linear groove along a horizontal plane;
the first port of the horizontal curved through piece is matched with the second port of the fourth linear groove and is connected with the second port of the fourth linear groove through a connecting piece along the horizontal plane, and the second port of the horizontal curved through piece is matched with the first port of the fifth linear groove and is connected with the first port of the fifth linear groove through a connecting piece along the horizontal plane.
3. The bridge trunking assembly of claim 2 further comprising:
a sixth linear slot perpendicular to the fifth linear slot along a vertical plane;
a first port of the third vertical curved through part is matched with a second port of the fifth linear groove and is connected with the second port of the fifth linear groove through a connecting sheet along the horizontal plane, and a second port of the third vertical curved through part is matched with the first port of the sixth linear groove and is connected with the first port of the sixth linear groove through a connecting sheet along the vertical plane;
a seventh linear slot perpendicular to the sixth linear slot along a vertical plane;
and a first port of the fourth vertical curved through piece is matched with a second port of the sixth linear groove and is connected with the second port of the sixth linear groove through a connecting piece along a vertical surface, and a second port of the fourth vertical curved through piece is matched with the first port of the seventh linear groove and is connected with the first port of the seventh linear groove through a connecting piece along a horizontal surface.
4. The bridge trunking assembly of claim 3 wherein the second port of the seventh trunking further connects to a variable diameter trunking, the variable diameter trunking being a terminal closure.
5. The bridge wire chase assembly of any one of claims 1-4, wherein the tie-tabs are provided with bolt holes and are fixedly attached by bolts.
6. The bridge trunking assembly of claim 5 wherein the bolt is a small half-round low-square-neck bolt.
7. The bridge rack trunking assembly of claim 3 further comprising a trunking cover on the first through seventh linear slots to enclose the cavity.
8. The bridge trunking assembly of claim 7 wherein the trunking cover is hinged to the respective linear slot.
CN201920935061.5U 2019-06-20 2019-06-20 Bridge rack trunking assembly Active CN209913420U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920935061.5U CN209913420U (en) 2019-06-20 2019-06-20 Bridge rack trunking assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920935061.5U CN209913420U (en) 2019-06-20 2019-06-20 Bridge rack trunking assembly

Publications (1)

Publication Number Publication Date
CN209913420U true CN209913420U (en) 2020-01-07

Family

ID=69050592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920935061.5U Active CN209913420U (en) 2019-06-20 2019-06-20 Bridge rack trunking assembly

Country Status (1)

Country Link
CN (1) CN209913420U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111884151A (en) * 2020-06-23 2020-11-03 国电大渡河猴子岩水电建设有限公司 Hydraulic power plant factory building equipment winding displacement device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111884151A (en) * 2020-06-23 2020-11-03 国电大渡河猴子岩水电建设有限公司 Hydraulic power plant factory building equipment winding displacement device

Similar Documents

Publication Publication Date Title
US20180166676A1 (en) Power battery top cap structure and power battery
CN206293499U (en) Battery component and electronic atomizer
CN209913420U (en) Bridge rack trunking assembly
CN209183611U (en) Battery modules
CN214590541U (en) Cable joint protector
CN214755392U (en) Distribution bus duct jack box
CN212005376U (en) Step lamp mounting section bar
CN210035680U (en) Box structure of solar heating device
CN204216534U (en) A kind of bus duct
CN210629024U (en) Waterproof bus duct of canned type
CN210092388U (en) Scalable generating line connecting device
CN108389996B (en) Battery box
CN201829915U (en) Sealing protection box of communication cable joint
CN219534737U (en) Protective type mounting structure for battery pack
CN218678320U (en) MPP cable pipe with companion's function of heating
CN212848710U (en) Power battery high-low voltage electric connection fixing structure and power battery pack
CN216489601U (en) High-strength stainless steel square box
CN217882740U (en) Z-shaped air bus duct
CN209843982U (en) Intelligent branch connector
CN219717182U (en) Busbar protector and battery pack
CN218447251U (en) Cable assembly and power equipment
CN212210383U (en) Bend-through type electric appliance bridge frame component
CN211579458U (en) Novel plate shearing device for wire grooves
CN216528100U (en) Capacity-increasable overhead insulated cable
CN216981400U (en) Movable multifunctional fireproof bridge

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant