CN217282133U - Tower arrangement structure on high tension cable - Google Patents
Tower arrangement structure on high tension cable Download PDFInfo
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- CN217282133U CN217282133U CN202221183999.4U CN202221183999U CN217282133U CN 217282133 U CN217282133 U CN 217282133U CN 202221183999 U CN202221183999 U CN 202221183999U CN 217282133 U CN217282133 U CN 217282133U
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Abstract
The utility model discloses a high-voltage cable upper tower arrangement structure in the technical field of upper tower system structure, which utilizes the upper and lower intervals on the middle part of the outer wall of an iron tower rod body to arrange active mounting flanges and standby mounting flanges, wherein the active mounting flanges are used at the present stage, and the standby mounting flanges need to be manufactured and used again when a wire terminal breaks down, so that the high-voltage cable upper tower arrangement structure can be used for rush repair quickly when the wire terminal breaks down, and avoids a cable coiling area from occupying underground space and saving investment; in addition, the supporting insulators in different directions are arranged to realize that the bracket arm force transmission mechanism is simpler and the space utilization is more compact on the premise that the bare conductor with the aluminum-clad steel core meets the requirement of a discharge gap.
Description
Technical Field
The utility model relates to a go up tower system architecture technical field, specifically be a high tension cable goes up tower arrangement structure.
Background
In order to meet the requirements of city beautification and land utilization, the high-voltage overhead transmission line generally needs to be cabled to land after entering an urban area. The cabled butt joint of the high-voltage overhead transmission line needs to be transited by using a cable terminal, one end of the cable terminal is connected with an aluminum-clad steel core bare conductor which is turned from horizontal to vertical, and the other end of the cable terminal is connected with the high-voltage cable and extends into the ground.
When the aluminum-clad steel core bare conductors led downwards vertically are arranged, the requirement of discharge gaps among the conductors of all phases is met. Meanwhile, the cable terminal is a main fault point of the power transmission line, and when the cable terminal breaks down, a residual cable with a certain length of generally 3m needs to be manufactured again. At present, the following methods are mainly adopted: the three-phase aluminum clad steel core bare wires of each loop are positioned in the same vertical plane, and the requirement of a discharge gap is met by increasing the horizontal distance between the aluminum clad steel core bare wires of each phase; and secondly, an arc-shaped cable coiling area is arranged near the cable terminal tower, namely the cable is laid along an arc edge in the period, the cable is laid linearly when the cable terminal is in fault, and the cable terminal is remanufactured by utilizing the cable with the shortened path. However, the disadvantages of the above solutions are:
1 meet the discharge gap requirement through increasing the horizontal interval of each looks aluminium package steel core bare conductor, especially 110kV and above high tension transmission line will lead to the support length of fixed support insulator great, occupy more spaces when increasing the steel use amount.
2 when the cable terminal has a fault, in order to manufacture the cable terminal again by using the residual cable with enough length, the diameter of the approximately circular cable coiling area is larger, and a place for arranging the cable coiling area is difficult to find in the suburbs of part of cities. Meanwhile, when the cable terminal head breaks down, construction operations such as cable re-laying and the like need to be carried out in the cable coiling area, and the effect of rapid repair cannot be achieved.
Patent CN105298201A "transmission line cable terminal three-dimensional lead-down device" also realizes the three-dimensional lead-down of the aluminum-clad steel core bare conductor of the double-loop cable terminal by setting a three-layer conductor cross arm with gradually changed plane azimuth angle. However, the disadvantage of this method is that the bare conductor with the aluminum-clad steel core of each phase is still in the same horizontal plane, and the length of the bracket for supporting the insulator is larger to meet the requirement of the gap. Meanwhile, the length of the wire cross arm needs to be increased to ensure the requirement of the gap between the bare wire of the aluminum-clad steel core in the horizontal direction and the rod body of the terminal tower. Secondly, the wire cross arm can not be used as the supporting insulator cross arm.
Based on this, the utility model designs a tower arrangement structure on high tension cable to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tower arrangement structure on high tension cable to solve above-mentioned technical problem.
In order to realize the purpose, the utility model provides the following technical scheme: a high-voltage cable upper tower arrangement structure comprises an iron tower rod body, wherein a ground wire cross arm, an A-phase lead cross arm, a B-phase lead cross arm, a C-phase lead cross arm and an insulator cross arm are sequentially arranged at intervals from top to bottom on the upper part of the outer wall of the iron tower rod body; the left end and the right end of the ground wire cross arm, the A-phase lead cross arm, the B-phase lead cross arm and the C-phase lead cross arm are respectively and correspondingly connected with a ground wire, an A-phase lead, a B-phase lead and a C-phase lead of a double-circuit;
strain insulator strings are arranged behind two ends of the ground wire cross arm;
strain insulator strings are arranged behind two ends of the A-phase lead cross arm; a jumper insulator is arranged below the base;
strain insulator strings are arranged behind two ends of the B-phase lead cross arm; a jumper insulator is arranged below the base; a supporting insulator is arranged in front of the bracket;
strain insulator strings are arranged behind two ends of the C-phase lead cross arm; a jumper insulator is arranged below the base; supporting insulators are arranged in front of and at the side of the supporting insulator;
jumper wire insulators are arranged below two ends of the insulator cross arm; supporting insulators are arranged at the front, the rear and the side of the bracket;
the ground wire is connected to the strain insulator string and then is grounded in a reversing manner;
the A-phase wire is connected to the A-phase wire terminal through a tension insulator string of the A-phase wire cross arm, a front supporting insulator of the B-phase wire cross arm, a front supporting insulator of the C-phase wire cross arm and a front supporting insulator of the insulator cross arm;
the B-phase lead is connected with a strain insulator string of the B-phase lead cross arm, a lateral supporting insulator of the C-phase lead cross arm and a lateral supporting insulator of the insulator cross arm and then connected to a B-phase lead terminal;
the C-phase lead is connected with a C-phase lead terminal through a strain insulator string of the C-phase lead cross arm and a rear support insulator of the insulator cross arm;
iron tower body of rod outer wall middle part is provided with active mounting flange and reserve mounting flange at the interval from top to bottom, erect wire terminal platform through the connecting platform cross arm after active mounting flange, A looks wire terminal, B looks wire terminal and C looks wire terminal equally divide do not install in on the wire terminal platform and connect A looks cable, B looks cable and C looks cable respectively.
Preferably, the platform cross arm is bilateral symmetry V-arrangement in the horizontal plane and lays, wire terminal platform includes bilateral symmetry's the operation platform board, wire terminal mount pad connection channel-section steel and the channel-section steel is connected to the arrester mount pad that distribute, wire terminal mount pad is connected the channel-section steel and is provided with three group's wire terminal mount pads and arrester mount pad at the interval respectively on channel-section steel and the arrester mount pad connection channel-section steel.
Preferably, the three groups of lead terminal installation seats are respectively used for installing the A-phase lead terminal, the B-phase lead terminal and the C-phase lead terminal; and three groups of lightning arresters respectively associated with the A-phase wire, the B-phase wire and the C-phase wire are respectively arranged on the three groups of lightning arrester mounting seats.
Preferably, a plurality of groups of cable support cross arms are arranged on the lower portion of the outer wall of the iron tower rod body at intervals, cable support rods are respectively arranged at two ends of each group of cable support cross arms, and the A-phase cable, the B-phase cable and the C-phase cable are horizontally distributed at intervals and fixed on the cable support rods.
Preferably, the inner and outer ends of the platform cross arm are respectively provided with a lifting lug.
Preferably, a glass fiber reinforced plastic pad strip is arranged between the top surface of the platform cross arm and the bottom surface of the wire terminal platform and is connected through demagnetizing stainless steel bolts, so that an electromagnetic loop is prevented from being formed.
Preferably, the setting height of the standby mounting flange is not less than the safe distance between the A-phase lead terminal, the B-phase lead terminal or the C-phase lead terminal and the ground.
Preferably, the height difference between the active mounting flange and the standby mounting flange is not less than the length of a cable required by new manufacture when the A-phase conductor terminal, the B-phase conductor terminal or the C-phase conductor terminal fails.
Preferably, the iron tower body of rod is a steel plate and is bent into regular dodecagon straight electric welding steel pipe, and the radius of the inscribed circle at the bottom of the steel pipe is larger than that at the top of the steel pipe.
Compared with the prior art, utility model's beneficial effect does:
the utility model discloses high tension cable goes up tower arrangement structure utilizes the interval to be provided with active service mounting flange and reserve mounting flange about iron tower body of rod outer wall middle part, can salvage fast when wire terminal fault to avoid the dish cable district to occupy underground space, practice thrift the investment. Meanwhile, on the premise that the wire supporting insulators in different directions meet the requirement of a discharge gap, the force transmission mechanism of the supporting arm is simpler, and the space utilization is more compact.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a schematic structural view of the wire terminal platform of the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the wire layout of the present invention;
FIG. 5 is a schematic view of the three-dimensional structure of the ground wire layout of the present invention;
FIG. 6 is a schematic view of the A-phase conductor layout mode of the present invention;
FIG. 7 is a schematic view of the three-dimensional structure of the B-phase lead layout of the present invention;
fig. 8 is a schematic view of a three-dimensional structure of the C-phase conductor layout of the present invention;
fig. 9 is a schematic top view of the ground wire cross arm of the present invention;
fig. 10 is a schematic top view of the a-phase cross arm of the present invention;
fig. 11 is a schematic top view of the cross arm of phase B of the present invention;
fig. 12 is a schematic top view of the C-phase cross arm of the present invention; .
In the drawings, the reference numbers indicate the following list of parts:
1-iron tower rod body, 2-ground wire cross arm, 3-A phase conductor cross arm, 4-B phase conductor cross arm, 5-C phase conductor cross arm, 6-insulator cross arm, 7-strain insulator string, 8-jumper insulator, 9-supporting insulator, 10-1-A phase conductor terminal, 10-2-B phase conductor terminal, 10-3-C phase conductor terminal, 11-active mounting flange, 12-standby mounting flange, 13-platform cross arm, 14-conductor terminal platform, 15-1-A phase cable, 15-2-B phase cable, 15-3-C phase cable, 16-operating platform plate, 17-conductor terminal mounting seat connecting channel steel, 18-lightning arrester mounting seat connecting channel steel, 19-a wire terminal mounting seat, 20-an arrester mounting seat, 21-an arrester, 22-a cable bracket cross arm, 23-a cable bracket rod, 24-a lifting lug and 25-a glass fiber reinforced plastic filler strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. All other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments in the utility model belong to the protection scope of the utility model.
Referring to fig. 1-12, the utility model provides a technical solution:
example 1:
a high-voltage cable upper tower arrangement structure comprises an iron tower rod body 1, wherein the iron tower rod body 1 is a straight electric welding steel pipe formed by bending a steel plate into a regular dodecagon, and the radius of an inscribed circle at the bottom of the straight electric welding steel pipe is larger than that of an inscribed circle at the top of the straight electric welding steel pipe; the upper part of the outer wall of the iron tower rod body 1 is sequentially provided with a ground wire cross arm 2, an A-phase lead cross arm 3, a B-phase lead cross arm 4, a C-phase lead cross arm 5 and an insulator cross arm 6 at intervals from top to bottom; the left and right ends of the ground wire cross arm 2, the A-phase lead cross arm 3, the B-phase lead cross arm 4 and the C-phase lead cross arm 5 are respectively and correspondingly connected with a ground wire, an A-phase lead, a B-phase lead and a C-phase lead in two paths, and the A-phase lead, the B-phase lead and the C-phase lead are aluminum-clad steel core bare leads;
as shown in the figures 4-12 of the drawings,
strain insulator strings 7 are arranged behind two ends of the ground wire cross arm 2;
strain insulator strings 7 are arranged behind two ends of the A-phase lead cross arm 3; a jumper insulator 8 is arranged below the base;
strain insulator strings 7 are arranged behind two ends of the B-phase lead cross arm 4; a jumper insulator 8 is arranged below the base; a supporting insulator 9 is arranged in front of the bracket;
strain insulator strings 7 are arranged behind two ends of the C-phase lead cross arm 5; a jumper insulator 8 is arranged below the base; supporting insulators 9 are arranged in front of and at the side of the supporting insulator;
the ground wire is connected to the strain insulator string 7 and then is grounded in a reversing way.
The A-phase lead is connected to an A-phase lead terminal 10-1 through a tension insulator string 7 of the A-phase lead cross arm 3, a front supporting insulator 9 of the B-phase lead cross arm 4, a front supporting insulator 9 of the C-phase lead cross arm 5 and a front supporting insulator 9 of the insulator cross arm 6;
the B-phase lead is connected to a B-phase lead terminal 10-2 through a strain insulator string 7 of a B-phase lead cross arm 4, a side supporting insulator 9 of a C-phase lead cross arm 5 and a side supporting insulator 9 of an insulator cross arm 6;
the C-phase lead is connected with a C-phase lead terminal 10-3 through a strain insulator string 7 of the C-phase lead cross arm 5 and a rear supporting insulator 9 of the insulator cross arm 6.
A looks wire cross arm 3, B looks wire cross arm 4 and C looks wire cross arm 5 are for the straight seam electric welding steel pipe that forms with steel sheet bending, and its inboard sets up the flange and utilizes bolt and 1 outer wall flange joint of iron tower body of rod, and the outside sets up strain insulator string 7 and jumper insulator 8 to set up the head board at the tip.
The inner side of the supporting insulator 9 is connected with each cross arm through bolts, and the outer side of the supporting insulator utilizes a fixed wire clamp to clamp each aluminum-clad steel core bare conductor.
Under the premise that the aluminum-clad steel core bare conductor meets the requirement of a discharge gap by arranging the supporting insulators in different directions, the force transmission mechanism of the supporting arm is simpler, and the space utilization is more compact.
Example 2
On the basis of embodiment 1, as shown in fig. 1-3, an active mounting flange 11 and a standby mounting flange 12 are arranged at an upper and lower interval in the middle of the outer wall of a tower body 1, a wire terminal platform 14 is erected on the active mounting flange 11 after connecting a platform cross arm 13, the platform cross arm 13 is arranged in a left-right symmetrical V-shape in a horizontal plane, flanges with a plurality of bolt holes are arranged at the outer ends of the active mounting flange 11 and the standby mounting flange 12, the plane normal direction of the flanges is axially parallel to the platform cross arm 13, and the inner sides of the active mounting flange 11 and the standby mounting flange 12 are welded with the tower body 1 through square steel pipes and stiffening ribs.
The wire terminal platform 14 comprises an operation platform plate 16, wire terminal installation seat connecting channel steel 17 and arrester installation seat connecting channel steel 18 which are distributed in bilateral symmetry, the operation platform plate 16 is used for standing when being operated by a person, three groups of wire terminal installation seats 19 and arrester installation seats 20 are arranged on the wire terminal installation seat connecting channel steel 17 and the arrester installation seat connecting channel steel 18 at intervals respectively, and an A-phase wire terminal 10-1, a B-phase wire terminal 10-2 and a C-phase wire terminal 10-3 are respectively arranged on the wire terminal platform 14 and are respectively connected with an A-phase cable 15-1, a B-phase cable 15-2 and a C-phase cable 15-3; further, the three groups of lead terminal installation seats 19 are respectively used for installing the A-phase lead terminal 10-1, the B-phase lead terminal 10-2 and the C-phase lead terminal 10-3; three groups of lightning arresters 21 respectively associated with the phase-A wire, the phase-B wire and the phase-C wire are respectively arranged on the three groups of lightning arrester mounting seats 20.
The inner and outer ends of the platform cross arm 13 are respectively provided with a lifting lug 24, and when the wire terminal platform 14 is descended and transferred to be installed, the wire terminal platform 14 and the platform cross arm 13 are lifted.
A glass fiber reinforced plastic filler strip 25 is arranged between the top surface of the platform cross arm 13 and the bottom surface of the wire terminal platform 14, and the glass fiber reinforced plastic filler strip 25 is connected through a demagnetizing stainless steel bolt to avoid forming an electromagnetic loop.
The setting height of the standby mounting flange 12 is not less than the safe distance between the A-phase lead terminal 10-1, the B-phase lead terminal 10-2 or the C-phase lead terminal 10-3 and the ground; the height difference between the active mounting flange 11 and the standby mounting flange 12 is not less than the length (usually 3.0m) of a cable required by new manufacture when the A-phase conductor terminal 10-1, the B-phase conductor terminal 10-2 or the C-phase conductor terminal 10-3 fails.
The active mounting flange and the standby mounting flange are arranged in the middle of the outer wall of the iron tower rod body at intervals up and down, the active mounting flange 11 is used at the present stage, in addition, when the standby mounting flange 12 fails at a lead terminal and needs to be manufactured again, the platform cross arm 13 is transferred from the active mounting flange 11 to be connected with the standby mounting flange 12, so that the lead terminal platform 14 is lowered to be consistent with the standby mounting flange 12 in height, the surplus cable lengths of the A-phase cable 15-1, the B-phase cable 15-2 and the C-phase cable 15-3 can be used for manufacturing a lead end again, the rapid first-aid repair function is realized, the underground space occupied by a cable coiling area is avoided, and the investment is saved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a tower arrangement structure on high tension cable which characterized in that: the cable comprises an iron tower rod body (1), wherein ground wire cross arms (2), an A-phase lead cross arm (3), a B-phase lead cross arm (4), a C-phase lead cross arm (5) and insulator cross arms (6) are sequentially arranged on the upper part of the outer wall of the iron tower rod body (1) at intervals from top to bottom; the left end and the right end of the ground wire cross arm (2), the A-phase lead cross arm (3), the B-phase lead cross arm (4) and the C-phase lead cross arm (5) are respectively and correspondingly connected with a ground wire, an A-phase lead, a B-phase lead and a C-phase lead in a double-circuit manner;
strain insulator strings (7) are arranged behind two ends of the ground wire cross arm (2);
strain insulator strings (7) are arranged behind two ends of the A-phase lead cross arm (3); a jumper insulator (8) is arranged below the base;
strain insulator strings (7) are arranged behind two ends of the B-phase lead cross arm (4); a jumper insulator (8) is arranged below the base; a supporting insulator (9) is arranged in front of the bracket;
strain insulator strings (7) are arranged behind two ends of the C-phase lead cross arm (5); a jumper insulator (8) is arranged below the base; supporting insulators (9) are arranged at the front and the side of the bracket;
jumper insulators (8) are arranged below two ends of the insulator cross arm (6); supporting insulators (9) are arranged at the front, the rear and the side of the bracket;
the ground wire is connected to the strain insulator string (7) and then is grounded in a reversing way;
the A-phase lead is connected to an A-phase lead terminal (10-1) through a strain insulator string (7) of the A-phase lead cross arm (3), a front supporting insulator (9) of the B-phase lead cross arm (4), a front supporting insulator (9) of the C-phase lead cross arm (5) and a front supporting insulator (9) of the insulator cross arm (6);
the B-phase lead is connected with a B-phase lead terminal (10-2) through a strain insulator string (7) of a B-phase lead cross arm (4), a side supporting insulator (9) of a C-phase lead cross arm (5) and a side supporting insulator (9) of an insulator cross arm (6);
the C-phase lead is connected to a C-phase lead terminal (10-3) through a strain insulator string (7) of a C-phase lead cross arm (5) and a rear support insulator (9) of an insulator cross arm (6);
active mounting flange (11) and reserve mounting flange (12) are provided with at upper and lower interval in iron tower body of rod (1) outer wall middle part, erect wire terminal platform (14) through connecting platform cross arm (13) after active mounting flange (11), install respectively in A looks wire terminal platform (14) are equallyd divide to A looks wire terminal (10-1), B looks wire terminal (10-2) and C looks wire terminal (10-3) and connect A looks cable (15-1), B looks cable (15-2) and C looks cable (15-3) respectively on wire terminal platform (14).
2. A high voltage cable tower mounting arrangement according to claim 1, wherein: platform cross arm (13) are bilateral symmetry V-arrangement in the horizontal plane and lay, wire terminal platform (14) include bilateral symmetry distribution's operation platform board (16), wire terminal mount pad connection channel-section steel (17) and arrester mount pad connection channel-section steel (18) are gone up the interval respectively and are provided with three group wire terminal mount pad (19) and arrester mount pad (20).
3. A high voltage cable upper tower arrangement according to claim 2, characterized in that: the three groups of lead terminal installation seats (19) are respectively used for installing the A-phase lead terminal (10-1), the B-phase lead terminal (10-2) and the C-phase lead terminal (10-3); and three groups of lightning arresters (21) respectively associated with the A-phase wire, the B-phase wire and the C-phase wire are respectively arranged on the three groups of lightning arrester mounting seats (20).
4. A high voltage cable tower mounting arrangement according to claim 1, wherein: a plurality of groups of cable support cross arms (22) are arranged on the lower portion of the outer wall of the iron tower rod body (1) at intervals from top to bottom, cable support rods (23) are respectively arranged at two ends of each group of cable support cross arms (22), and the A-phase cable (15-1), the B-phase cable (15-2) and the C-phase cable (15-3) are horizontally distributed and fixed on the cable support rods (23) at intervals.
5. A high voltage cable upper tower arrangement according to claim 1, characterized in that: the inner end and the outer end of the platform cross arm (13) are respectively provided with a lifting lug (24).
6. A high voltage cable tower mounting arrangement according to claim 1, wherein: the top surface of platform cross arm (13) with be provided with glass steel filler strip (25) between wire terminal platform (14) the bottom surface, glass steel filler strip (25) adopt demagnetization stainless steel bolted connection, avoid forming electromagnetic circuit.
7. A high voltage cable tower mounting arrangement according to claim 1, wherein: the setting height of the standby mounting flange (12) is not less than the safe distance between the A-phase lead terminal (10-1), the B-phase lead terminal (10-2) or the C-phase lead terminal (10-3) and the ground.
8. A high voltage cable upper tower arrangement according to claim 1, characterized in that: the height difference between the active mounting flange (11) and the standby mounting flange (12) is not less than the length of a cable required by new manufacture when an A-phase conductor terminal (10-1), a B-phase conductor terminal (10-2) or a C-phase conductor terminal (10-3) fails.
9. A high voltage cable upper tower arrangement according to claim 1, characterized in that: the iron tower body of rod (1) is the steel sheet and is buckled into regular dodecagon's straight electric welding steel pipe, and its bottom inscribed circle radius is greater than top inscribed circle radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183999.4U CN217282133U (en) | 2022-05-17 | 2022-05-17 | Tower arrangement structure on high tension cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183999.4U CN217282133U (en) | 2022-05-17 | 2022-05-17 | Tower arrangement structure on high tension cable |
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| Publication Number | Publication Date |
|---|---|
| CN217282133U true CN217282133U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221183999.4U Active CN217282133U (en) | 2022-05-17 | 2022-05-17 | Tower arrangement structure on high tension cable |
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| Country | Link |
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| CN (1) | CN217282133U (en) |
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2022
- 2022-05-17 CN CN202221183999.4U patent/CN217282133U/en active Active
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