CN113036707B - Portable temporary protection device for power transmission line - Google Patents
Portable temporary protection device for power transmission line Download PDFInfo
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- CN113036707B CN113036707B CN202110478385.2A CN202110478385A CN113036707B CN 113036707 B CN113036707 B CN 113036707B CN 202110478385 A CN202110478385 A CN 202110478385A CN 113036707 B CN113036707 B CN 113036707B
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- grounding
- transmission line
- rod
- lead
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/40—Connection to earth
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/60—Detecting; Measuring; Sensing; Testing; Simulating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- Emergency Protection Circuit Devices (AREA)
Abstract
The invention provides a portable temporary protection device for a power transmission line, which comprises a lightning arrester, a power transmission line grounding lead-in device and a grounding device, and is characterized in that: the lightning arrester and the transmission line grounding lead-in device are respectively connected with the converter, the converter is hung on the transmission line singly or through the lightning arrester and/or the transmission line grounding lead-in device, and a down lead in the converter is communicated with the grounding device; the converter is used for respectively forming a working state that the lightning protection device is independently communicated with the down lead, a working state that the transmission line grounding lead-in device is independently communicated with the down lead, a working state that the lightning protection device and the transmission line grounding lead-in device are simultaneously communicated with the down lead and/or a working state that the lightning protection device and the transmission line grounding lead-in device are simultaneously not communicated with the down lead. The invention can provide various protection states, keep the down conductor tensioned and the like, and can ensure the safe operation of four working states.
Description
Technical Field
The invention relates to the technical field of lightning protection and grounding devices, in particular to a portable temporary protection device for a power transmission line.
Background
The external lightning protection device is used for protecting direct lightning and mainly comprises a lightning receptor, a down conductor and a grounding device.
The lightning receptor is a conductor for intercepting lightning strikes, and generally has four forms of a lightning rod, a lightning receiving belt, a lightning receiving line, a lightning receiving net and the like; the down conductor is a conductor used to conduct lightning current from the lightning receptor to the grounding device; the grounding device is the sum of a grounding body and a grounding wire and is used for transmitting lightning current and dispersing the lightning current into the ground, namely discharging the lightning current into the ground.
If CN201120000857.5, disclose a 500KV transmission line draw hanging lightning arrester down to one side, it includes the device is used for setting up the tower body and compound overcoat metal oxide arrester body of high-tension line, wherein, the arrester body is connected with tower body hinge through the connecting strut, and hang and connect with the crank arm through a plurality of insulating tension member, the free end of the arrester body is equipped with down the discharge electrode, the end that stretches out hangs has the insulating cluster, the lower extreme of the insulating cluster is equipped with the upper discharge electrode, the upper discharge electrode corresponds and keeps the discharge distance with the position of lowering the discharge electrode from top to bottom, the connecting strut is two-section structure, and through the mutual rigid connection of insulating part, be equipped with the discharge counter on the connecting strut.
Cn201410702042.x discloses a gapless line type metal oxide lightning arrester for power transmission lines, which comprises: the suspension device is connected with the insulator string, the insulator string is connected with the power transmission line, the power transmission line is connected with the suspension wire clamp, the suspension wire clamp is connected with the disconnector, the disconnector is connected with the line arrester, the line arrester is connected with the suspension mechanism, and the suspension mechanism is connected with the locking pin.
Further, earthing device discloses a earthed pole convenient to it is fixed like CN 107834223A, and the cross-under plate is installed to positioning screw's upside, installs the cross-under cover on the cross-under plate, and the pilot pin cross-under is in the cross-under cover, and positioning screw's upper end is connected with the lower extreme of protective sheath through bloating tight cover, expands and tightly sheathes in and installs lock nut, and the handle is installed to the upper end of protective sheath, and the internally mounted of protective sheath has the cover of threading, and the terminal is installed to the bottom of cover of threading.
If CN 207638018U again, disclose an electric power ground connection stake, including the support frame of "[" font, the bottom on the horizontal limit of support frame is provided with the stock, is provided with a plurality of barb on the outer wall of stock, rotationally is connected with on the support frame to be used for promoting the briquetting so that the briquetting compresses tightly the kicking block of earth connection, and the top of kicking block is provided with and is used for pulling the kicking block and rotates so that the kicking block promotes the handle etc. of briquetting.
Above-mentioned can find out, transmission line lightning arrester's prior art is mostly lightning arrester itself, and downlead and earthing device or for iron tower body of the tower or setting are on the pole. Meanwhile, in order to prevent an electric shock accident caused by the fact that an operator accidentally touches a live part in the construction and maintenance processes, the existing grounding device sets the corresponding part to be insulated or sets an insulating mechanism outside the corresponding metal conductor to perform insulation protection. Meanwhile, in order to prevent the metal ground rod inserted into the ground from being easily pulled out, an anti-pulling-back mechanism (such as barbs or barbs) is fixedly arranged at the bottom of the metal ground rod.
Disclosure of Invention
Based on this, the invention aims at the protection device temporarily erected in the construction and maintenance process, on one hand, the lightning protection device is adopted to prevent the lightning from being struck by lightning under unstable weather conditions, on the other hand, the electric shock accident of operators is prevented in the ground protection, and the quick connection of the lightning protection device, the power transmission line and the ground protection line (down lead) and the grounding device is realized, so that the portable temporary protection device for the power transmission line is provided. The invention designs a simple quick connection structure and an insulation structure, which not only facilitates the connection of the device with a lightning arrester and a power transmission line, but also has better insulation protection effect and can play a better protection role for operators.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a portable temporary protection device for a power transmission line comprises a lightning arrester, a power transmission line grounding lead-in device and a grounding device, wherein the lightning arrester and the power transmission line grounding lead-in device are respectively connected with a converter, the converter is hung on the power transmission line independently or through the lightning arrester and/or the power transmission line grounding lead-in device, and a down lead in the converter is communicated with the grounding device; the converter is used for respectively forming a working state that the lightning protection device is independently communicated with the down lead, a working state that the transmission line grounding lead-in device is independently communicated with the down lead, a working state that the lightning protection device and the transmission line grounding lead-in device are simultaneously communicated with the down lead and/or a working state that the lightning protection device and the transmission line grounding lead-in device are simultaneously not communicated with the down lead.
Preferably, a down lead take-up and pay-off device is arranged below the converter, and at least a tension wheel is arranged in the down lead take-up and pay-off device.
Preferably, the lightning arrester comprises a lightning arrester and an insulator; the transmission line grounding lead-in device comprises a grounding lead-in rod and a rod seat, and the grounding lead-in rod is connected with the rod seat to form a rotating or swinging connection relation; a central insulating core of the converter is arranged in the multi-directional converter;
the multi-directional converter is connected with the rod seat, the insulator and the lightning arrester respectively and is locally insulated by the central insulating core of the converter, the multi-directional converter is hung on a power transmission line through the insulator, the rod seat is separately communicated with the down conductor, the lightning arrester is separately communicated with the down conductor, the rod seat is simultaneously communicated with the lightning arrester and the down conductor, and/or the rod seat is not simultaneously communicated with the down conductor.
Preferably, the temporary protection device further comprises a portable box body, and a lightning-protection grounding lead-in device storage chamber and a grounding device storage chamber are arranged in the portable box body.
Preferably, the lightning-arrest ground lead-in device and the grounding device are respectively provided with an automatic control device, the automatic control device comprises a data acquisition and control part, and a lightning-arrest ground central control system and a monitoring system are arranged in the box body.
Preferably, the earthing device comprises a metal grounding rod, an insulating fixed disk is installed at the top of the outer wall of the metal grounding rod, an anti-pulling mechanism is fixedly connected to the bottom of the metal grounding rod, a top end fixedly connected with connecting mechanism of the metal grounding rod, an outer side insulating mechanism corresponding to the metal grounding rod is installed on the connecting mechanism and the insulating fixed disk, a quick hooking mechanism corresponding to the metal grounding rod is arranged at the center of the connecting mechanism, a working grounding connecting mechanism corresponding to the quick hooking mechanism is fixedly connected to the top of the connecting mechanism, and a protection grounding connecting mechanism corresponding to the quick hooking mechanism is fixedly connected to one side of the connecting mechanism.
Preferably, the insulating fixed disk is fixedly connected with the metal grounding rod through screwing, and a plurality of mounting holes are formed in the peripheral side of the insulating fixed disk.
Preferably, prevent drawing back the mechanism and include the disc base, the bottom fixedly connected with disc base of metal earth bar outer wall, a plurality of metal stopper of week side fixedly connected with of metal earth bar outer wall bottom.
Preferably, the fixed connection mechanism comprises a three-way connection piece, the top end of the metal grounding rod is fixedly connected with the three-way connection piece, a main connection through hole is formed in the center of the three-way connection piece, and a side connection through hole is formed in one side of the outer wall of the three-way connection piece.
Preferably, the outer side insulation mechanism comprises an inner insulation layer, the inner insulation layer is sleeved on the top of the outer wall of the metal ground rod, and the outer side of the inner insulation layer is wrapped by an outer insulation layer.
Preferably, articulate the mechanism fast and include the metal connecting rod, the central fixedly connected with metal connecting rod at metal earth bar top, the main column that hangs of top fixedly connected with of metal connecting rod front end, one side fixedly connected with auxiliary connection pole of metal connecting rod outer wall, auxiliary connection pole of front end fixedly connected with that metal connecting rod one side was kept away from to auxiliary connection pole.
Preferably, work ground connection coupling mechanism includes first butt joint pipe, the first butt joint pipe of fixed connection mechanism's the first butt joint of top fixedly connected with, the locking bolt is installed to one side of first butt joint pipe outer wall, the annular fixed plate corresponding with the locking bolt is installed at the center of first butt joint pipe, the central fixedly connected with of annular fixed plate one side rotates the connector with the locking bolt is corresponding, the top of locking bolt nut outer wall and the first dead lever of the equal fixedly connected with in bottom, the top of first butt joint pipe outer wall closes spacing lag soon, the through wires hole has been seted up at the center at spacing lag top.
Preferably, the protection ground connection mechanism comprises a second butt joint pipe, one side of the outer wall of the fixed connection mechanism is fixedly connected with the second butt joint pipe, a fixing bolt is installed at the center of the front end of the second butt joint pipe, a second fixing rod is fixedly connected to the top and the bottom of the outer wall of a nut of the fixing bolt, a protective sleeve is screwed on the outer wall of the second butt joint pipe, which is far away from one end of the second butt joint pipe, and a waterproof sealing ring is installed at one end of the protective sleeve, which is far away from the second butt joint pipe.
The invention is mainly characterized in that:
(1) the lightning arrester and the transmission line grounding lead-in device are respectively connected with the converter, and a down lead in the converter is communicated with the grounding device; four communicated working states are formed.
(2) And a down lead take-up and pay-off device is arranged below the converter.
(3) A converter center insulating core is provided in the multi-directional converter.
(4) The lightning grounding lead-in device and the grounding device are respectively provided with an automatic control device, the automatic control device comprises a data acquisition and control part, and a lightning grounding central control system and a monitoring system are arranged in the box body.
(5) The top of the fixed connecting mechanism is fixedly connected with a working grounding connecting mechanism corresponding to the quick hanging mechanism, and one side of the fixed connecting mechanism is fixedly connected with a protection grounding connecting mechanism corresponding to the quick hanging mechanism.
The invention has the beneficial effects, in particular to the beneficial effects of the main technical characteristics (1) - (5):
1. the prior art does not disclose the above-mentioned main technical features (1) - (5).
2. Technical characteristics (1) one provides multiple protection states and the other is convenient for adjustment and switching.
3. The technical characteristic (2) can keep the down conductor tensioned, so that the down conductor can keep a grounding working state.
4. The technical characteristics are that (3), the safe operation of four working states, such as the rod seat is communicated with the down lead independently, the arrester is communicated with the down lead independently, the rod seat and the arrester are communicated with the down lead simultaneously, and/or the rod seat and the arrester are not communicated with the down lead simultaneously, can be ensured.
5. The intelligent control and monitoring can be carried out according to the technical characteristics (4).
6. Technical characteristic (5), through corresponding quick connect structure and insulation system, both convenient and transmission line's connection has also had better insulation protection effect simultaneously, can play better guard action to the operation workman to, through preventing pulling back mechanism, outside insulation system, articulate mechanism, work ground connection coupling mechanism and protection ground connection coupling mechanism fast, both can guarantee fixed fastness, also convenient simultaneously and transmission line and ground protection wire's quick connection is fixed.
7. The technical solutions of the present invention, especially the main features (1) - (5), are not obvious to those skilled in the art in combination with the common general knowledge, and at the same time, the present invention has beneficial technical effects compared with the prior art, and is inventive and in compliance with the provisions of the twenty-third clause of the patent law.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the lightning grounding lead-in part structure of the present invention;
FIG. 3 is a top view of the insulated fixing disk of the present invention;
FIG. 4 is a top view structural diagram of the anti-backup mechanism of the present invention;
FIG. 5 is a schematic view of the internal structure of the fixed connection mechanism of the present invention;
FIG. 6 is a cross-sectional structural view of the outboard insulation mechanism of the present invention;
FIG. 7 is a schematic structural view of a working ground connection according to the present invention;
fig. 8 is a schematic structural diagram of the protective grounding connection mechanism of the present invention.
Wherein, 1, a metal grounding rod; 2. insulating fixed disks, 21 and mounting holes; 3. an anti-back-out mechanism; 301. a disc base; 302. a metal stopper; 4. a fixed connection mechanism; 401. a tee joint connector; 402. a main connecting through hole; 403. a side connection through hole; 5. an outer insulation mechanism; 501. an inner insulating layer; 502. an outer insulating layer; 6. a quick hitch mechanism; 601. a metal connecting rod; 602. a main hanging post; 603. an auxiliary connecting rod; 604. an auxiliary hooking column; 7. a working ground connection mechanism; 701. a first docking pipe; 702. locking the bolt; 703. an annular fixed plate; 704. a rotating connector; 705. a first fixing lever; 706. a limiting and protecting sleeve; 707. threading holes; 8. a protection ground connection mechanism; 801. a second pair of adapter tubes; 802. fixing the bolt; 803. a second fixing bar; 804. a protective sleeve; 805. a waterproof sealing ring; 9. a down conductor take-up and pay-off device; 10. a down conductor; 11. a ground lead-in rod; 111. a rod seat; 12. a three-way converter; 121. a converter center insulating core; 13. a lightning arrester; 131. a first bus bar; 132. an insulator; 133. and a second bus bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 8, an embodiment of the present invention provides a portable temporary protection device for a power transmission line, which is mainly divided into a lightning-arrest ground lead-in device and a grounding device; the lightning protection grounding lead-in device is a lightning protection device which is composed of a multi-directional converter 12 serving as a base, a lightning arrester 13, a first bus plate 131, an insulator 132, a second bus plate 133 and the like; the grounding lead-in rod 11, the rod seat 111 and the like form a power transmission line grounding lead-in device, the grounding lead-in rod 11 is connected with the rod seat 111 and forms a rotating or swinging connection relation, when the grounding lead-in rod 11 rotates or swings, the grounding lead-in rod 11 is separated from the power transmission line, at the moment, the lightning-arrest grounding lead-in device can be understood as a simple 'lightning arrester', and is mostly used when construction and maintenance are suspended, such as at night.
The multi-directional converter 12 is respectively connected with the rod seat 111, the insulator 132 and the second bus plate 133 and is insulated by a converter center insulating core 121 in the multi-directional converter 12, and under the action of the multi-directional converter 12, the rod seat 111 and the second bus plate 133 respectively form three communication states of the rod seat 111 being independently communicated with the down conductor 10, the second bus plate 133 being independently communicated with the down conductor 10, the rod seat 111 and the second bus plate 133 being simultaneously communicated with the down conductor 10, and/or the rod seat 111 and the second bus plate 133 being simultaneously not communicated with the down conductor 10.
It should be noted that the four communication states in the multi-directional converter 12 can be designed for starting according to the structural improvement of the lightning arrester, and one-way, two-way, three-way or multiple conversion modes are not excluded. The operation mode can be manual conversion or electric conversion; the switching mode can be either electronic (automatic) switching or simple contact switching. Thus, during construction and maintenance, double protection (lightning protection and grounding) can be achieved, and adjustment can be performed according to conditions.
A down lead winding and unwinding device 9 is arranged below the multidirectional converter 12, the down lead winding and unwinding device 9 is mainly used for winding and unwinding a down lead 10, namely, the down lead is wound when the down lead is paid out and not used, meanwhile, in order to keep the down lead 10 to be tensioned to a certain degree (the tensioning force can be determined according to the using state), at least a tensioning wheel is arranged in the down lead winding and unwinding device 9, and other power devices can be determined as a micro motor with main power or a spring assembly with driven power according to the situation.
In order to embody portability, the embodiment of the present invention provides a portable box (in the embodiment, no drawings are shown), the portable box is provided with a storage chamber for the lightning grounding lead-in device and a storage chamber for the grounding device, and subsequently, in further innovation and promotion, the lightning grounding lead-in device and the grounding device are additionally provided with automatic control (monitoring) devices, including data (signal) acquisition and control (monitoring), and the box itself is designed as a lightning grounding central control system and a monitoring system.
The grounding device comprises a metal grounding rod 1, wherein an insulating fixing disc 2 is installed on the top of the outer wall of the metal grounding rod 1, an anti-pulling-back mechanism 3 is fixedly connected to the bottom of the metal grounding rod 1, a fixed connecting mechanism 4 is fixedly connected to the top end of the metal grounding rod 1, an outer side insulating mechanism 5 corresponding to the metal grounding rod 1 is installed on the fixed connecting mechanism 4 and the insulating fixing disc 2, a quick hanging mechanism 6 corresponding to the metal grounding rod 1 is arranged at the center of the fixed connecting mechanism 4, a working grounding connecting mechanism 7 corresponding to the quick hanging mechanism 6 is fixedly connected to the top of the fixed connecting mechanism 4, and a protective grounding connecting mechanism 8 corresponding to the quick hanging mechanism 6 is fixedly connected to one side of the fixed connecting mechanism 4.
The insulating fixed disk 2 is fixedly connected with the metal grounding rod 1 through screwing, a plurality of mounting holes 21 are formed in the peripheral side of the insulating fixed disk 2, and a plurality of mounting holes 21 are formed in the peripheral side of the insulating fixed disk 2, so that the metal grounding rod 1 can be fixed with the cement ground through the mounting holes 21 and bolts when being mounted and fixed with the cement ground.
Prevent that it constructs 3 includes disc base 301 to pull back the mechanism, the bottom fixedly connected with disc base 301 of 1 outer wall of metal earth bar, and week side fixedly connected with a plurality of metal stopper 302 of 1 outer wall bottom of metal earth bar, when preventing that it constructs 3 to be buried with underground, disc base 301 and a plurality of metal stopper 302 have better prevent the effect of pulling back.
Outside insulating mechanism 5 includes inner insulating layer 501, and inner insulating layer 501 has been cup jointed at the top of metal earth bar 1 outer wall, and the outside cladding of inner insulating layer 501 has outer insulating layer 502, and inner insulating layer 501 and outer insulating layer 502 made by insulating material can play better insulating effect, prevent that the condition of electrocuteeing takes place at the in-process of operation construction or maintenance of operation workman.
Articulate mechanism 6 fast and include metal connecting rod 601, the center fixedly connected with metal connecting rod 601 at 1 top of metal earth bar, the main post 602 that articulates of top fixedly connected with of metal connecting rod 601 front end, one side fixedly connected with auxiliary connecting rod 603 of metal connecting rod 601 outer wall, the supplementary connecting rod 603 is kept away from the supplementary post 604 that hangs of front end fixedly connected with of metal connecting rod 601 one side, articulate metal connecting rod 601 in the mechanism 6 fast through with 1 fixed connection of metal earth bar, thereby make transmission line and protection earth connection can articulate post 602 and supplementary post 604 fast with the owner, thereby play the electric connection effect.
The working grounding connection mechanism 7 comprises a first butt joint pipe 701, the top of the fixed connection mechanism 4 is fixedly connected with the first butt joint pipe 701, one side of the outer wall of the first butt joint pipe 701 is provided with a locking bolt 702, the center of the first butt joint pipe 701 is provided with an annular fixing plate 703 corresponding to the locking bolt 702, the center of one side of the annular fixing plate 703 is fixedly connected with a rotary connector 704 corresponding to the locking bolt 702, the top and the bottom of the outer wall of the nut of the locking bolt 702 are both fixedly connected with a first fixing rod 705, the top of the outer wall of the first butt joint pipe 701 is screwed with a limiting protection sleeve 706, the center of the top of the limiting protection sleeve 706 is provided with a threading hole 707, the working grounding connection mechanism 7 is mainly used for quickly connecting the down-leading thread 10 with the quick-hanging mechanism 6, when the down conductor 10 is inserted into the first docking pipe 701 and hitched with the rear main hitching leg 602, it can be locked and fixed by the locking bolt 702 and the annular fixing plate 703.
Protection ground connection mechanism 8 includes second butt joint pipe 801, one side fixedly connected with second butt joint pipe 801 of fixed connection mechanism 4 outer wall, fixing bolt 802 is installed at the center of second butt joint pipe 801 front end, the top and the equal fixedly connected with second dead lever 803 in bottom of fixing bolt 802 nut outer wall, the outer wall that fixed connection mechanism 4 one end was kept away from to second butt joint pipe 801 closes soon has protective sheath 804, protective sheath 804 is kept away from the one end of second butt joint pipe 801 and is installed waterproof sealing circle 805, protection ground connection mechanism 8 mainly is used for locking fixedly protection earth connection and supplementary string post 604.
The working principle is as follows:
when the rod base 111 and the second bus plate 133 are communicated with the down conductor 10 at the same time under the action of the multi-directional converter 12, the rod base 111 and the second bus plate 133 are insulated in relative space by the converter center insulating core 121, and are communicated with the down conductor 10 after entering the multi-directional converter 12.
Thus, both the lightning arrester and the transmission line grounding lead-in device can be communicated with the grounding device through the down conductor 10.
The grounding device buries a metal grounding rod 1 underground, the bottom of the metal grounding rod 1 is fixedly connected with a reverse pulling prevention mechanism 3, a disc base 301 and a plurality of metal limiting blocks 302 on the reverse pulling prevention mechanism 3 have a good reverse pulling prevention effect, a plurality of mounting holes 21 are formed in the peripheral side of an insulating fixing disc 2, so that the metal grounding rod 1 can be fixed with a cement ground by the aid of the mounting holes 21 and bolts when being mounted and fixed with the cement ground, the top end of the metal grounding rod 1 is fixedly connected with a fixed connection mechanism 4, the fixed connection mechanism 4 mainly plays a role in connection and fixation, the fixed connection mechanism 4 and the insulating fixing disc 2 are provided with outer side insulating mechanisms 5 corresponding to the metal grounding rod 1, an inner insulating layer 501 and an outer insulating layer 502 made of insulating materials can play a good insulating role, and the situation that an operator gets an electric shock in the operation construction or maintenance process is prevented, the center of the fixed connection mechanism 4 is provided with a fast hanging mechanism 6 corresponding to the metal ground rod 1, a metal connecting rod 601 in the fast hanging mechanism 6 is fixedly connected with the metal ground rod 1, so that the lightning arrester, the transmission line and the ground wire can be quickly hung on the main hanging column 602 and the auxiliary hanging column 604, and an electric connection effect is achieved, the working ground connection mechanism 7 is mainly used for quickly connecting the down conductor 10 with the fast hanging mechanism 6, when the down conductor 10 is inserted into the first butt joint pipe 701 and hung with the rear main hanging column 602, the down conductor can be locked and fixed by the locking bolt 702 and the annular fixing plate 703, the protective ground connection mechanism 8 is mainly used for locking and fixing the ground wire and the auxiliary hanging column 604, and at the moment, the down conductor 10 keeps a certain tensioning effect under the action of a tensioning wheel.
According to the embodiment, by designing the simple lightning grounding lead-in device, the quick connection structure and the insulation structure, the device is convenient to connect with a power transmission line, and meanwhile, the device has a good insulation protection effect and can well protect operators; by designing the simple lightning arrester, the transmission line grounding lead-in device, the anti-pulling-out mechanism, the outer side insulating mechanism, the quick hanging mechanism, the working grounding connecting mechanism and the protection grounding connecting mechanism, the fixing firmness can be ensured, and meanwhile, the quick connection and the fixation with the transmission line and a down conductor are also facilitated; the lightning arrester, the power transmission line and the protective grounding wire (down lead) are quickly connected with the grounding device, and the problems encountered in the construction and maintenance process can be well solved.
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 (7)
1. The utility model provides a temporary protection device of portable transmission line, it includes lightning arrester, transmission line ground connection gatherer and earthing device, its characterized in that: the lightning arrester and the transmission line grounding lead-in device are respectively connected with the converter, the converter is hung on the transmission line singly or through the lightning arrester and/or the transmission line grounding lead-in device, and a down lead in the converter is communicated with the grounding device; the working state that the lightning protection device is independently communicated with the down lead, the working state that the transmission line grounding lead-in device is independently communicated with the down lead, the working state that the lightning protection device and the transmission line grounding lead-in device are simultaneously communicated with the down lead, or the working state that the lightning protection device and the transmission line grounding lead-in device are simultaneously not communicated with the down lead are respectively formed through a converter;
the grounding device comprises a metal grounding rod (1), an insulating fixed disk (2) is installed at the top of the outer wall of the metal grounding rod (1), an anti-pulling-back mechanism (3) is fixedly connected to the bottom of the metal grounding rod (1), a fixed connecting mechanism (4) is fixedly connected to the top end of the metal grounding rod (1), an outer side insulating mechanism (5) corresponding to the metal grounding rod (1) is installed on the fixed connecting mechanism (4) and the insulating fixed disk (2), a quick hanging mechanism (6) corresponding to the metal grounding rod (1) is arranged at the center of the fixed connecting mechanism (4), a working grounding connecting mechanism (7) corresponding to the quick hanging mechanism (6) is fixedly connected to the top of the fixed connecting mechanism (4), and a protection grounding connecting mechanism (8) corresponding to the quick hanging mechanism (6) is fixedly connected to one side of the fixed connecting mechanism (4);
the fixed connecting mechanism (4) comprises a three-way connecting piece (401), the top end of the metal grounding rod (1) is fixedly connected with the three-way connecting piece (401), a main connecting through hole (402) is formed in the center of the three-way connecting piece (401), and a side connecting through hole (403) is formed in one side of the outer wall of the three-way connecting piece (401);
quick articulate mechanism (6) including metal connecting rod (601), center fixedly connected with metal connecting rod (601) at metal earth bar (1) top, the main column (602) of hanging of top fixedly connected with of metal connecting rod (601) front end, one side fixedly connected with auxiliary connecting rod (603) of metal connecting rod (601) outer wall, auxiliary connecting rod (603) keep away from the supplementary column (604) of hanging of front end fixedly connected with of metal connecting rod (601) one side.
2. The portable temporary protection device for the power transmission line according to claim 1, characterized in that: and a down lead wire winding and unwinding device is arranged below the converter, and at least a tension wheel is arranged in the down lead wire winding and unwinding device.
3. A portable temporary protection device for transmission lines according to claim 1 or 2, characterized in that: the lightning arrester comprises a lightning arrester (13) and an insulator (132); the transmission line grounding lead-in device comprises a grounding lead-in rod (11) and a rod seat (111), wherein the grounding lead-in rod (11) is connected with the rod seat (111) and forms a rotating or swinging connection relation; a converter center insulating core (121) is arranged in the multidirectional converter (12);
the multi-directional converter (12) is respectively connected with the rod seat (111), the insulator (132) and the lightning arrester (13) and is locally insulated by the central insulating core (121) of the converter, the multi-directional converter (12) is hung on a power transmission line through the insulator (132), the rod seat (111) is respectively communicated with the down conductor (10) through the multi-directional converter (12), the lightning arrester (13) is separately communicated with the down conductor (10), the rod seat (111) and the lightning arrester (13) are simultaneously communicated with the down conductor (10), and or the rod seat (111) and the lightning arrester (13) are not communicated with the down conductor (10) simultaneously.
4. A portable temporary protection device for transmission lines according to claim 1 or 2, characterized in that: the temporary protection device also comprises a portable box body, and a lightning-arrest grounding leading-in device storage chamber and a grounding device storage chamber are arranged in the portable box body.
5. The portable temporary protection device for the power transmission line according to claim 4, characterized in that: the lightning grounding lead-in device and the grounding device are respectively provided with an automatic control device, the automatic control device comprises a data acquisition and control part, and a lightning grounding central control system and a monitoring system are arranged in the box body.
6. The portable temporary protection device for the power transmission line according to claim 1, characterized in that: work ground connection coupling mechanism (7) include first butt joint pipe (701), the first butt joint pipe (701) of top fixedly connected with of fixed connection mechanism (4), locking bolt (702) are installed to one side of first butt joint pipe (701) outer wall, the center of first butt joint pipe (701) is installed and is had annular fixed plate (703) corresponding with locking bolt (702), the center fixedly connected with of annular fixed plate (703) one side and the corresponding rotation connector (704) of locking bolt (702), the top and the equal fixedly connected with first dead lever (705) in bottom of locking bolt (702) nut outer wall, the top of first butt joint pipe (701) outer wall is closed soon has spacing lag (706), threading hole (707) have been seted up at the center at spacing lag (706) top.
7. The portable temporary protection device for the power transmission line according to claim 1, characterized in that: protection ground connection coupling mechanism (8) including the second to takeover (801), one side fixedly connected with second of fixed connection mechanism (4) outer wall is to takeover (801), fixing bolt (802) are installed to the center of second to takeover (801) front end, the top and the equal fixedly connected with second dead lever in bottom (803) of fixing bolt (802) nut outer wall, the outer wall of fixed connection mechanism (4) one end is kept away from to second pair takeover (801) has closed protective sheath (804) soon, protective sheath (804) are kept away from the second and are to the one end of taking over (801) and install waterproof sealing circle (805).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478385.2A CN113036707B (en) | 2021-04-30 | 2021-04-30 | Portable temporary protection device for power transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478385.2A CN113036707B (en) | 2021-04-30 | 2021-04-30 | Portable temporary protection device for power transmission line |
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| CN113036707A CN113036707A (en) | 2021-06-25 |
| CN113036707B true CN113036707B (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110478385.2A Active CN113036707B (en) | 2021-04-30 | 2021-04-30 | Portable temporary protection device for power transmission line |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008015873U1 (en) * | 2008-12-01 | 2009-04-16 | Glinberg, Valeriy, Dipl.-Ing. | forest lightning rod |
| CN203423465U (en) * | 2013-08-20 | 2014-02-05 | 广西电网公司电力科学研究院 | Power distribution overhead power transmission line lightning-induced overvoltage lightning protection device |
| CN206848358U (en) * | 2017-06-09 | 2018-01-05 | 泽大科技（深圳）股份有限公司 | A kind of lightning current analytical equipment |
| CN107732854B (en) * | 2017-11-23 | 2019-10-11 | 江苏禹高物联科技有限公司 | A kind of lightning arrester of substation |
| CN208767614U (en) * | 2018-09-29 | 2019-04-19 | 合肥水泥研究设计院有限公司 | A kind of high-rise lightning protection device |
| CN208706903U (en) * | 2018-10-25 | 2019-04-05 | 福建长城电子技术工程有限公司 | A kind of computer room lightning protection anti electrostatic device |
| CN209913242U (en) * | 2019-06-21 | 2020-01-07 | 武汉星杪科技有限公司 | Lightning current leading-out system of power transmission line |
| CN111211489A (en) * | 2020-03-04 | 2020-05-29 | 安徽英驰电气科技有限公司 | Lightning protection receiver and receiving system thereof |
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