CN213043428U - Temporary electricity taking device for low-voltage distribution network bypass uninterrupted operation - Google Patents
Temporary electricity taking device for low-voltage distribution network bypass uninterrupted operation Download PDFInfo
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- CN213043428U CN213043428U CN202022152831.4U CN202022152831U CN213043428U CN 213043428 U CN213043428 U CN 213043428U CN 202022152831 U CN202022152831 U CN 202022152831U CN 213043428 U CN213043428 U CN 213043428U
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Abstract
The utility model discloses a temporary electricity taking device for the uninterrupted operation of a low-voltage distribution network bypass, which comprises a sleeve connected with a low-voltage overhead conductor, wherein a metal wiring end connected with a low-voltage distribution network bypass cable is arranged on the sleeve; the sleeve comprises a hollow metal pipe body and an insulating protective shell arranged on the outer side of the pipe body; an insulating protective sleeve is arranged on the outer wall of the wiring end; the end part of the wiring terminal is of a copper nose structure; the utility model ensures the reliability and the conductivity of connection by connecting the copper nose structure of the wiring end with the low-voltage distribution network bypass cable with the copper nose end; meanwhile, the contact area of the wire clamp and the wire clamp is increased, the contact resistance is reduced, heating is not easy to occur in operation, and the condition that the wire clamp falls off is avoided; the temporary electricity taking device can be temporarily or permanently installed on the low-voltage overhead conductor, so that the maximum convenience is provided for the low-voltage distribution network bypass cable to be connected into the overhead line when the low-voltage distribution network bypass is operated without power outage, the production cost is effectively reduced, and the operation efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the electric power tech and specifically relates to a be used for operation of not cutting off power supply temporarily of 0.4 kilovolt distribution network bypass to get electric installation.
Background
With the rapid development of economy, the requirements of users on the quality of electric energy and the reliability of power supply are higher and higher, and the development of a cable line uninterrupted operation project has important significance for improving the reliability of power supply of a city distribution network and improving the satisfaction degree of users; the temporary power supply is a very important project in distribution network operation, and is used for supplying emergency power to important users or resident users with power failure caused by faults from a nearby power supply temporarily so as to provide a standby power supply for power-conserving users.
At present, in the low-voltage uninterrupted operation, a mobile power generation vehicle or a mobile box transformer substation vehicle is generally adopted to supply power to a low-voltage user, and line equipment such as a transformer and a low-voltage power distribution cabinet can be isolated and overhauled under the condition of avoiding the load loss of a low-voltage transformer area. In this process, it is often necessary to lap the low voltage distribution network bypass cable to the low voltage overhead line to establish a bypass system. However, if one end of the existing low-voltage distribution network bypass cable is designed to be a copper nose, the existing low-voltage distribution network bypass cable cannot be directly lapped with a low-voltage overhead line, and a special low-voltage distribution network bypass cable with an olecranon wire clamp needs to be purchased, so that the production cost is increased; simultaneously, even if adopt low voltage distribution network bypass cable and low pressure overhead line overlap joint that has olecranon fastener, still there is the drawback: because the contact area of the olecranon wire clamp and the low-voltage lead is small, the contact resistance is large, the load current of the bypass system is large, and after the olecranon wire clamp runs for a long time, the olecranon wire clamp at the lap joint is easy to heat, the wire clamp can fall off, the circuit is in a phase failure, and the stable running of the bypass system is not facilitated; moreover, low voltage distribution network bypass cable inserts low voltage overhead line, can cause the destruction to low voltage overhead line insulating layer, still need carry out insulating repair to low voltage overhead line after demolising low voltage distribution network bypass cable, has increased operation personnel work load, has reduced efficiency.
SUMMERY OF THE UTILITY MODEL
To above-mentioned low voltage distribution network bypass cable and low voltage overhead conductor overlap joint in-process, olecranon fastener easily generates heat, easily drops and the big technical problem of operation personnel intensity of labour, the utility model provides a low voltage distribution network bypass does not have the operation of cutting power supply temporarily with getting electric device to solve above-mentioned technical problem.
The utility model adopts the technical proposal that: the temporary electricity taking device for the low-voltage distribution network bypass uninterrupted operation comprises a sleeve connected with a low-voltage overhead conductor, wherein a metal wiring end connected with a low-voltage distribution network bypass cable is arranged on the sleeve; the sleeve comprises a hollow metal pipe body and an insulating protective shell arranged on the outer side of the pipe body; the wiring end is vertically connected to the middle part of the tube body, and an insulating protective sleeve is arranged on the outer wall of the wiring end; the end part of the wiring terminal is of a copper nose structure. During the overlap joint, carry out the processing of splitting skin to low pressure air wire earlier, expose the wire of the inside, install naked wire position the utility model discloses an in the sleeve pipe, the rethread wiring end is connected with low voltage distribution network bypass cable can. The end part of the wiring end of the utility model is of a copper nose structure, and can be quickly connected with a low-voltage distribution network bypass cable with a copper nose end through a bolt, so that the reliability and good conductivity of connection are fully ensured; meanwhile, the larger contact area of the joint reduces the contact resistance, so that the heating is not easy to occur in the operation, and the condition that the wire clamp falls off is also avoided. The temporary electricity taking device can be temporarily or permanently installed on the low-voltage overhead conductor, the maximum convenience is provided for the low-voltage distribution network bypass cable to be connected into the overhead line when the low-voltage distribution network bypass is operated without power outage, the problem of subsequent insulation repair is avoided by the aid of the self-contained insulation protective sleeve, production cost is effectively reduced, and operation efficiency is improved; the device has simple structure, low cost and convenient installation.
Further, the pipe body comprises two semicircular pipe fittings surrounding the low-voltage overhead conductor, and the two pipe fittings are detachably connected.
Further, the two pipe fittings are connected through the bolts, so that the structure is simple, the cost is low, and the disassembly is quick and convenient. During the actual operation, can meet the low pressure air wire of different specifications, consequently the utility model discloses set up the body into two pipe fittings that can dismantle the connection, pass through adjusting bolt's fastening degree during the operation, can fix low pressure air wire between two pipe fittings to be applicable to the low pressure air wire's of different specifications fixed, improved the commonality that the device used greatly.
Further, body and wiring end are made by copper, have good electric conductivity, intensity height, and the resistance of this copper is less outside, can reduce the error that gets electric installation self and bring as far as, avoids generating heat to guarantee bypass system steady operation.
Further, the insulating protective sleeve comprises a first protective sleeve and a second protective sleeve, and the first protective sleeve and the second protective sleeve are hinged with the sleeve; the tip of first protective sheath is provided with the couple, and the tip of second protective sheath is provided with and hangs the knot that matches with the couple. The copper nose structure of the wiring end is connected with the copper nose design of the low-voltage distribution network bypass cable through the bolt, so that the insulating protective sleeve is arranged into two detachable protective sleeves; meanwhile, the protective sleeve is hinged to the sleeve, the protective sleeve can be opened and closed in a rotating mode, enough space is reserved for installing the bolt, and after the bolt is installed, the bolt is locked through the hook and the hanging buckle at the other end of the protective sleeve.
Further, the insulating protective sleeve is made of a high-molecular insulating material.
Further, the insulating protective sleeve is made of silicon rubber insulating materials. The silicon rubber insulating material has excellent insulating property, good corona resistance and arc resistance, good high and low temperature resistance, oil resistance and chemical corrosion resistance, and can also prevent moisture, shock and impact.
The utility model has the advantages that:
1. the end part of the wiring end of the utility model is of a copper nose structure, and can be quickly connected with a low-voltage distribution network bypass cable with a copper nose end through a bolt, so that the reliability and good conductivity of connection are fully ensured; meanwhile, the larger contact area of the joint reduces the contact resistance, so that the heating is not easy to occur in the operation, and the condition that the wire clamp falls off is also avoided.
2. The temporary electricity taking device can be temporarily or permanently installed on the low-voltage overhead conductor, the maximum convenience is provided for the low-voltage distribution network bypass cable to be connected into the overhead line when the low-voltage distribution network bypass is operated without power outage, the problem of subsequent insulation repair is avoided by the aid of the self-contained insulation protective sleeve, production cost is effectively reduced, and operation efficiency is improved; the device has simple structure, low cost and convenient installation.
3. The utility model discloses set up the body into can dismantling two pipe fittings of connection, can satisfy the fixed of the low pressure air wire of different specifications, improved the commonality that the device used greatly.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Labeled as: 1. a sleeve; 2. a terminal; 3. an insulating protective sleeve; 4. a bolt; 5. hooking; 6. hanging and buckling; 12. an insulating protective case; 101. a pipe fitting; 301. a first protective sheath; 302. a second protective sheath.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example one
The voltage of the low-voltage overhead conductor and the voltage of the low-voltage distribution network bypass cable are both 0.4 kilovolt.
Referring to fig. 1, 2 and 3, the temporary electricity taking device for the low-voltage distribution network bypass uninterrupted operation comprises a sleeve 1 connected with a low-voltage overhead conductor, wherein a metal wiring terminal 2 connected with a low-voltage distribution network bypass cable is arranged on the sleeve 1; the sleeve 1 comprises a hollow gold 5C5E pipe body and an insulating protective shell 12 arranged outside the pipe body; the wiring end is vertically connected to the middle part of the tube body, and an insulating protective sleeve 3 is arranged on the outer wall of the wiring end; the end part of the wiring terminal is of a copper nose structure. During the overlap joint, carry out the processing of splitting skin to low pressure air wire earlier, expose the wire of the inside, install naked wire position the utility model discloses an in the sleeve pipe, the rethread wiring end is connected with low voltage distribution network bypass cable can. The end part of the wiring end of the utility model is of a copper nose structure, and can be quickly connected with a low-voltage distribution network bypass cable with a copper nose end through a bolt, so that the reliability and good conductivity of connection are fully ensured; meanwhile, the larger contact area of the joint reduces the contact resistance, so that the heating is not easy to occur in the operation, and the condition that the wire clamp falls off is also avoided. The temporary electricity taking device can be temporarily or permanently installed on the low-voltage overhead conductor, the maximum convenience is provided for the low-voltage distribution network bypass cable to be connected into the overhead line when the low-voltage distribution network bypass is operated without power outage, the problem of subsequent insulation repair is avoided by the aid of the self-contained insulation protective sleeve, production cost is effectively reduced, and operation efficiency is improved; the device has simple structure, low cost and convenient installation.
The body and the wiring end 2 of this embodiment are made by copper, have good electric conductivity, intensity height, and the resistance of copper is less in this outside, can reduce as far as and get the error that electric installation self brought, avoid generating heat to guarantee bypass system steady operation.
The insulating sheath 3 of the present embodiment is made of a silicone rubber insulating material. The silicon rubber insulating material has excellent insulating property, good corona resistance and arc resistance, good high and low temperature resistance, oil resistance and chemical corrosion resistance, and can also prevent moisture, shock and impact.
Referring to fig. 2, the insulating sheath 3 of the present embodiment includes a first sheath 301 and a second sheath 302, the first sheath 301 and the second sheath 302 being hinged to the casing 1; the tip of first protective sheath is provided with couple 5, and the tip of second protective sheath is provided with and hangs knot 6 that matches with the couple. The copper nose structure of the wiring end is connected with the copper nose design of the low-voltage distribution network bypass cable through the bolt, so that the insulating protective sleeve is arranged into two detachable protective sleeves; meanwhile, the protective sleeve is hinged to the sleeve, the protective sleeve can be opened and closed in a rotating mode, enough space is reserved for installing the bolt, and after the bolt is installed, the bolt is locked through the hook and the hanging buckle at the other end of the protective sleeve.
Example two
Referring to fig. 2, on the basis of the first embodiment, the pipe body of the present embodiment includes two semicircular pipe members 101 arranged to surround the low-voltage overhead conductor, and the two pipe members 101 are connected by bolts 4. During the actual operation, can meet the low pressure air wire of different specifications, consequently the utility model discloses set up the body into two pipe fittings that can dismantle the connection, pass through adjusting bolt's fastening degree during the operation, can fix low pressure air wire between two pipe fittings to be applicable to the low pressure air wire's of different specifications fixed, improved the commonality that the device used greatly.
The working principle is that firstly, an insulating layer at the lap joint part of the low-voltage overhead conductor is removed, the exposed conductor is installed between two pipe fittings, and the bolt is screwed down to complete the fixation of the low-voltage overhead conductor. When lapping with low voltage distribution network bypass cable, rotatory first protective sheath and the second protective sheath of opening, vacate the space for the installation, pass through bolted connection with the copper nose structure of wiring end and the low voltage distribution network bypass cable that the end is the copper nose, connect accomplish after the back through the couple with hang detain with insulating protective sheath locking in the outside of wiring end can.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The temporary electricity taking device for the low-voltage distribution network bypass uninterrupted operation is characterized by comprising a sleeve (1) connected with a low-voltage overhead conductor, wherein a metal wiring terminal (2) connected with a low-voltage distribution network bypass cable is arranged on the sleeve (1); the sleeve (1) comprises a hollow metal pipe body and an insulating protective shell (12) arranged outside the pipe body; the wiring end is vertically connected to the middle part of the tube body, and an insulating protective sleeve (3) is arranged on the outer wall of the wiring end; the end part of the wiring terminal is of a copper nose structure.
2. The temporary power taking device for the low-voltage distribution network bypass uninterruptible operation is characterized in that the pipe body comprises two semicircular pipe fittings (101) arranged to surround the low-voltage overhead conductor, and the two pipe fittings are detachably connected.
3. The temporary electricity taking device for the bypass uninterrupted operation of the low-voltage distribution network as claimed in claim 2, wherein the two pipe fittings (101) are connected through bolts (4).
4. The temporary electricity taking device for the uninterrupted operation of the bypass of the low-voltage distribution network according to claim 1, wherein the tube body and the terminal (2) are both made of copper.
5. The temporary power taking device for the low-voltage distribution network without power outage for the operation in the bypass is characterized in that the insulating protective sleeve (3) comprises a first protective sleeve (301) and a second protective sleeve (302), and the first protective sleeve (301) and the second protective sleeve (302) are hinged to the sleeve (1); the end of the first protective sleeve is provided with a hook (5), and the end of the second protective sleeve is provided with a hanging buckle (6) matched with the hook.
6. The temporary electricity taking device for the low-voltage distribution network bypass uninterrupted operation as claimed in claim 1, wherein the insulating protective sleeve (3) is made of a high-molecular insulating material.
7. The temporary electricity taking device for the low-voltage distribution network bypass uninterrupted operation as claimed in claim 6, wherein the insulating protective sleeve (3) is made of a silicon rubber insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022152831.4U CN213043428U (en) | 2020-09-27 | 2020-09-27 | Temporary electricity taking device for low-voltage distribution network bypass uninterrupted operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022152831.4U CN213043428U (en) | 2020-09-27 | 2020-09-27 | Temporary electricity taking device for low-voltage distribution network bypass uninterrupted operation |
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| Publication Number | Publication Date |
|---|---|
| CN213043428U true CN213043428U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022152831.4U Active CN213043428U (en) | 2020-09-27 | 2020-09-27 | Temporary electricity taking device for low-voltage distribution network bypass uninterrupted operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381343A (en) * | 2021-07-13 | 2021-09-10 | 河南牛帕力学工程研究院 | Circuit maintenance method without power failure |
-
2020
- 2020-09-27 CN CN202022152831.4U patent/CN213043428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381343A (en) * | 2021-07-13 | 2021-09-10 | 河南牛帕力学工程研究院 | Circuit maintenance method without power failure |
| CN113381343B (en) * | 2021-07-13 | 2023-01-20 | 郑州东辰科技有限公司 | Circuit maintenance method without power failure |
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