CN210404652U - Tubular bus low-voltage power transmission system in tunnel - Google Patents
Tubular bus low-voltage power transmission system in tunnel Download PDFInfo
- Publication number
- CN210404652U CN210404652U CN201921606270.1U CN201921606270U CN210404652U CN 210404652 U CN210404652 U CN 210404652U CN 201921606270 U CN201921606270 U CN 201921606270U CN 210404652 U CN210404652 U CN 210404652U
- Authority
- CN
- China
- Prior art keywords
- bus
- insulating sleeve
- tubular
- shaped
- support
- 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
Links
Images
Abstract
A tubular bus low-voltage power transmission system in a tunnel is provided with a bus support and a tubular bus, wherein the bus support is fixed on the wall of the tunnel, the tubular bus is horizontally fixed on the bus support through a fast-assembling pipe hoop, and the tubular bus is provided with a power taking device; the tubular bus is characterized in that the ends of the tubular bus are coaxially fixed through a connecting pipe joint in a compression joint mode or coaxially connected through a corrugated pipe joint in a sleeved mode, and the tubular bus is connected with a cable through a T-shaped connecting device. The utility model can adapt to the tunnel trend rapidly, and can automatically adjust the expansion with heat and contraction with cold of the tubular bus, thereby ensuring the safe and reliable connection of the whole system; the T-shaped connecting device is adopted to realize the quick connection of the cable and the tubular bus, is suitable for the connection requirements of different positions of the cable and the tubular bus, and meets the use requirements of dust prevention, water prevention and safety insulation.
Description
Technical Field
The utility model belongs to the technical field of the low pressure transmission of electricity, concretely relates to cast generating line low pressure transmission of electricity system in tunnel.
Background
At present, a low-voltage alternating-current power transmission system is mostly adopted in a power transmission system in a tunnel, and the system mainly adopts a cable for power supply, so that the following problems exist: firstly, the line loss is large, and the transmission capacity is small; the number of cables is large, the arrangement is complex, the troubleshooting difficulty is high, and the maintenance cost is high; thirdly, facilities such as cable ditches, cable tunnels and the like need to be built for cable laying, the civil engineering cost is high, and the construction period is long; fourthly, the cable is easy to be damaged by external force such as water, fire, rat and the like, and has poor environmental interference resistance and short service life.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cast generating line low pressure transmission system in tunnel to solve the not enough of prior art.
The utility model adopts the technical proposal that: a tubular bus low-voltage power transmission system in a tunnel is provided with a bus support and a tubular bus, wherein the bus support is fixed on the wall of the tunnel, the tubular bus is horizontally fixed on the bus support through a quick-mounting pipe hoop, a power taking device is arranged on the tubular bus, the ends of the tubular bus are coaxially fixed in a compression joint mode through a connecting pipe joint or coaxially connected in a sleeved mode through a corrugated pipe joint, the connecting pipe joint and the corrugated pipe joint are arranged at intervals, and insulating layers are coated on the outer surfaces of the connecting pipe joint and the corrugated pipe joint; the ends of the tubular bus are connected with the cable through a T-shaped connecting device; the T-shaped connecting device is composed of a T-shaped crimping connector and a T-shaped insulating sleeve, and the T-shaped crimping connector is sleeved in the T-shaped insulating sleeve; the T-shaped crimping joint is composed of a transverse cylindrical pipe and a vertical cylindrical pipe which is connected to the middle of the transverse cylindrical pipe in a penetrating mode; the tubular bus is in compression joint with two ends of the transverse cylindrical tube, and the cable is in compression joint with an end of the vertical cylindrical tube.
The T-shaped insulating sleeve consists of a T-shaped insulating sleeve seat and an insulating sleeve cover; the T-shaped crimping connector is sleeved into the T-shaped insulating sleeve seat from the lower portion of the T-shaped insulating sleeve seat, the insulating sleeve cover is clamped below the T-shaped insulating sleeve seat, the T-shaped crimping connector is wrapped in the T-shaped insulating sleeve, and the three ports of the T-shaped insulating sleeve are sleeved with the sealing covers.
The horizontal cylindrical pipe and the vertical cylindrical pipe are both copper pipes.
The bus support consists of a fixed support and an adjusting support, the fixed support is fixed on the tunnel wall, the adjusting support is hinged to the fixed support, and the upper end face of the adjusting support is kept horizontal through the adjustment of the adjusting support relative to the fixed support in a rotating mode; the tubular bus is horizontally fixed on the upper end surface of the adjusting bracket through the fast-assembling pipe hoop.
Compared with the prior art, the utility model discloses beneficial effect who has:
1. the tubular bus is used as a power transmission line, so that the mechanical strength is high, the loss is low, the current-carrying capacity is large, the insulating property is good, the reliability is high, the fault is easy to check, and the maintenance cost is low.
2. The tubular bus is erected in the air, so that the installation is simple, the construction efficiency is high, and the cost is low; and electric power accidents caused by surface flooding, mouse damage and the like can be avoided, the environmental interference resistance is strong, and the service life is long.
3. The tubular bus adopts the connection pipe joints and the corrugated pipe joints for interval connection, quickly adapts to the trend of the tunnel, can automatically adjust the expansion with heat and the contraction with cold of the tubular bus, and ensures the safe and reliable connection of the whole system;
4. the tubular bus adopts the T-shaped connecting device to be in compression joint with the cable, so that the cable and the tubular bus are quickly connected, the connection is reliable, the connecting device is suitable for the connection requirements of the cable and different positions of the tubular bus, and the use requirements of dust prevention, water prevention and safety insulation are met.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an external view of the T-shaped connecting device of the present invention;
FIG. 3 is a schematic structural view of the T-shaped connecting device of the present invention;
FIG. 4 is a schematic view of the connection between the tubular busbar and the cable according to the present invention;
FIG. 5 is a partial enlarged view of the joint of the bellows according to the present invention;
FIG. 6 is a partial enlarged view of the connection part of the power-taking device of the present invention;
fig. 7 is a schematic structural diagram of a second embodiment of the present invention;
fig. 8 is a schematic structural diagram of a third embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the drawings and the detailed description of the embodiments of fig. 1 to 8.
A tubular bus low-voltage power transmission system in a tunnel is provided with a bus support 1 and a tubular bus 2, wherein the bus support 1 is fixed on the wall of the tunnel, and the tubular bus 2 is horizontally fixed on the bus support 1 through a fast-assembling pipe hoop 3; the tubular bus 2 is provided with a power taking device 4, the ends of the tubular bus 2 are coaxially fixed through a connecting pipe joint 5 in a compression joint mode or are coaxially connected through a corrugated pipe joint 6 in a sleeved mode, the connecting pipe joint 5 and the corrugated pipe joint 6 are arranged at intervals, and insulating layers are coated on the outer surfaces of the connecting pipe joint 5 and the corrugated pipe joint 6; the ends of the tubular bus 2 are connected with a cable 7 through a T-shaped connecting device 8; the T-shaped connecting device 8 is composed of a T-shaped crimping connector 9 and a T-shaped insulating sleeve 10, and the T-shaped crimping connector 9 is sleeved in the T-shaped insulating sleeve 10; the T-shaped crimping joint 9 consists of a transverse cylindrical pipe 9-1 and a vertical cylindrical pipe 9-2 which is connected to the middle part of the transverse cylindrical pipe 9-1 in a penetrating manner; the tubular bus 2 is in compression joint with two ends of the transverse cylindrical tube 9-1, and the cable 7 is in compression joint with an end of the vertical cylindrical tube 9-2. The transverse cylindrical pipe 9-1 and the vertical cylindrical pipe 9-2 are both copper pipes.
The T-shaped insulating sleeve 10 consists of a T-shaped insulating sleeve seat 10-1 and an insulating sleeve cover 10-2; the T-shaped crimping connector 9 is sleeved into the T-shaped insulating sleeve seat 10-1 from the lower portion of the T-shaped insulating sleeve seat 10-1, the insulating sleeve cover 10-2 is clamped below the T-shaped insulating sleeve seat 10-1, the T-shaped crimping connector 9 is wrapped in the T-shaped insulating sleeve 10, and the sealing covers 11 are sleeved on three ports of the T-shaped insulating sleeve 10.
The bus support 1 consists of a fixed support 1-1 and an adjusting support 1-2, the fixed support 1-1 is fixed on the tunnel wall, the adjusting support 1-2 is hinged on the fixed support 1-1, and the upper end face of the adjusting support 1-2 is kept horizontal through the rotation adjustment of the adjusting support 1-2 relative to the fixed support 1-1; the tubular bus 2 is horizontally fixed on the upper end surface of the adjusting bracket 1-2 through the fast-assembling pipe hoop 3.
The structure and the installation and use method of the electricity taking device 4 are completely the same as those of the prior patent application (application number: 201821099202.6, grant publication number: CN208539120U), and are not described herein again. The output end of the electricity taking device 4 is connected with a load 13 through a branch line 12, and a protective cover 14 is arranged on the periphery of the electricity taking device 4.
The bellows joint 6 is identical to the structure and installation and use method of the prior patent application (application number: 201821099139.6, granted publication number: CN208539506U), and is not described in detail herein.
The connecting pipe joint 5 is a cylindrical copper pipe, and the compression joint mode of the connecting pipe joint and the tubular bus 2 is completely the same as that of the existing pipe.
Example 1: referring to fig. 1, a fixing support 1-1 is fixed on a tunnel wall, two tubular buses 2 are horizontally fixed on an adjusting support 1-2 through a quick-mounting pipe hoop 3, the tubular buses 2 are guaranteed to be parallel to the ground through rotation adjustment of the adjusting support 1-2 along an arc-shaped groove on the fixing support 1-1, and a cable 7 is connected with the end heads of two adjacent tubular buses 2 in a compression joint mode through a T-shaped connecting device 8, so that input or output of a power supply or electricity taking of electric equipment is achieved. And the tubular bus 2 is connected with the corrugated pipe joint 6 through the connecting pipe joint 5 between the ends of the tubular bus 2 to form a power supply main circuit, the number of the connecting pipe joint 5 and the corrugated pipe joint 6 which are arranged at intervals is determined by design according to the trend of the tunnel and the length of the tunnel, the power taking device 4 is sleeved on the periphery of the tubular bus 2, the output end of the power taking device 4 is connected with the load 13 through the branch circuit 12, and the requirements of safe power distribution and power utilization in the tunnel are met.
Example 2: referring to fig. 7, the basic structure is the same as that of embodiment 1, except that a cable 7 is connected with the head end of the tubular bus bar 2 by a T-shaped connecting device 8 in a crimping manner, so as to realize the input or output of a power supply or the power taking of an electric device.
Example 3: referring to fig. 8, the basic structure is the same as that of embodiment 1, except that four tubular busbars 2 are horizontally fixed on an adjusting bracket 1-2 through a quick-mounting pipe hoop 3 to form two power supply loops, one loop is a normal power supply loop, the other loop is a standby power supply loop, and the two loops can be switched rapidly to ensure normal power supply in a tunnel.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a tubular busbar low pressure transmission system in tunnel has bus support (1), tubular busbar (2), bus support (1) is fixed on the tunnel wall, tubular busbar (2) are fixed on bus support (1) through fast-assembling ferrule (3) level, and are equipped with on tubular busbar (2) and get electric installation (4), its characterized in that: the end heads of the tubular bus (2) are coaxially fixed through a connecting pipe joint (5) in a compression joint mode or coaxially connected through a corrugated pipe joint (6) in a sleeved mode, the connecting pipe joint (5) and the corrugated pipe joint (6) are arranged at intervals, and insulating layers are coated on the outer surfaces of the connecting pipe joint (5) and the corrugated pipe joint (6); the ends of the tubular bus (2) are connected with a cable (7) through a T-shaped connecting device (8); the T-shaped connecting device (8) is composed of a T-shaped crimping connector (9) and a T-shaped insulating sleeve (10), and the T-shaped crimping connector (9) is sleeved in the T-shaped insulating sleeve (10); the T-shaped crimping joint (9) is composed of a transverse cylindrical pipe (9-1) and a vertical cylindrical pipe (9-2) which is connected to the middle part of the transverse cylindrical pipe (9-1) in a penetrating manner; the tubular bus (2) is in compression joint with two ends of the transverse cylindrical pipe (9-1), and the cable (7) is in compression joint with an end of the vertical cylindrical pipe (9-2).
2. The tubular busbar low voltage transmission system in tunnel according to claim 1, characterized in that: the T-shaped insulating sleeve (10) consists of a T-shaped insulating sleeve seat (10-1) and an insulating sleeve cover (10-2); the T-shaped crimping connector (9) is sleeved into the T-shaped insulating sleeve seat (10-1) from the lower portion of the T-shaped insulating sleeve seat (10-1), the insulating sleeve cover (10-2) is clamped below the T-shaped insulating sleeve seat (10-1), the T-shaped crimping connector (9) is wrapped in the T-shaped insulating sleeve (10), and the sealing covers (11) are sleeved on three ports of the T-shaped insulating sleeve (10).
3. The tubular busbar low voltage transmission system in tunnel according to claim 1 or 2, characterized in that: the horizontal cylindrical pipe (9-1) and the vertical cylindrical pipe (9-2) are both copper pipes.
4. The tubular busbar low voltage transmission system in tunnel according to claim 3, characterized in that: the bus support (1) consists of a fixed support (1-1) and an adjusting support (1-2), the fixed support (1-1) is fixed on the tunnel wall, the adjusting support (1-2) is hinged to the fixed support (1-1), and the upper end face of the adjusting support (1-2) is kept horizontal through the rotation adjustment of the adjusting support (1-2) relative to the fixed support (1-1); the tubular bus (2) is horizontally fixed on the upper end surface of the adjusting bracket (1-2) through the fast-assembling pipe hoop (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606270.1U CN210404652U (en) | 2019-09-25 | 2019-09-25 | Tubular bus low-voltage power transmission system in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606270.1U CN210404652U (en) | 2019-09-25 | 2019-09-25 | Tubular bus low-voltage power transmission system in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404652U true CN210404652U (en) | 2020-04-24 |
Family
ID=70342186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921606270.1U Active CN210404652U (en) | 2019-09-25 | 2019-09-25 | Tubular bus low-voltage power transmission system in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404652U (en) |
-
2019
- 2019-09-25 CN CN201921606270.1U patent/CN210404652U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8922037B2 (en) | Wind energy system having busbars | |
| US9997897B2 (en) | Quick connect and disconnect cable junction box | |
| CN101465529A (en) | Method and device for bus bar soft connection | |
| CN111884128B (en) | 10kV distribution line uninterrupted repair wire device and repair method thereof | |
| CN103227440A (en) | Wind power aluminium pipe bus structure | |
| CN210629023U (en) | Tubular bus AC/DC power transmission system in tunnel | |
| CN106451220A (en) | Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower | |
| CN105162016A (en) | Connecting method and connecting structure of valve reactor and voltage source transverter in flexible direct current power transmission | |
| CN210404652U (en) | Tubular bus low-voltage power transmission system in tunnel | |
| CN103208753B (en) | A kind of vehicle-mounted removable transformer station | |
| CN203839791U (en) | Connecting structure of valve reactor and voltage source converter in flexible DC power transmission system | |
| CN205231570U (en) | Transformer substation generates heat and connects electrified scarce device that disappears | |
| CN107809069A (en) | A kind of moving emergency power cabinet for the bypass of power network low-voltage equipment | |
| CN110518376A (en) | A kind of high-temperature superconductive power cable multiple-pass joint | |
| CN105024761A (en) | Power passive optical network communication terminal | |
| CN212463081U (en) | Current conversion device | |
| CN206332409U (en) | A kind of current conversion station is with sliding/be fixedly connected excessively stream gold utensil | |
| CN204030016U (en) | Composite shielding sealing insulating tube type busbar joint | |
| CN201413956Y (en) | Guard ring allowing live line connection and disconnection | |
| CN207518166U (en) | Power plant 1000kV outlet grade transmitting system mounting structures | |
| CN201490354U (en) | Grounding system of metal sheath of single-core high-voltage cable | |
| CN208767849U (en) | The offshore boosting station field electricity system of ring connection | |
| CN210517343U (en) | Adjustable bus duct fixing box | |
| CN218386769U (en) | Tubular bus connector | |
| CN205944844U (en) | Box -type substation of dais is stretched in area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |