CN212136222U - Oil-immersed transformer ground lead device - Google Patents
Oil-immersed transformer ground lead device Download PDFInfo
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- CN212136222U CN212136222U CN202021190765.3U CN202021190765U CN212136222U CN 212136222 U CN212136222 U CN 212136222U CN 202021190765 U CN202021190765 U CN 202021190765U CN 212136222 U CN212136222 U CN 212136222U
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- grounding
- grounding wire
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Abstract
The utility model discloses an oil-immersed transformer grounding lead device, which comprises an installation frame, a grounding wire, an installation box, a grounding cylinder, a grounding wire stretching buffer unit and a transverse grounding unit; the inner side of the mounting frame is provided with a conducting ring, the bottom of the mounting frame is provided with a supporting plate, the supporting plate is provided with a conducting strip, two ends of the conducting strip are respectively connected with the inner side of the conducting ring, the bottom of the supporting plate is provided with a first connecting rod, one end of the grounding wire sequentially penetrates through the first connecting rod and the supporting plate to be connected with the conducting strip, and a grounding wire stretching and buffering unit is arranged inside the mounting box; the ground wire stretching buffer unit comprises a spring, a slide rail, a slide block, a rotating wheel, a rotating shaft and a blocking shaft, wherein vertical slide rails are respectively arranged on two sides in the installation box; the grounding wire is straight under normal conditions, messy and stumbled objects are avoided, buffering can be provided when the grounding wire is stressed, the grounding wire is prevented from being broken, and the grounding wire is safe and easy to use.
Description
Technical Field
The utility model relates to an oil-immersed transformer technical field specifically is an oil-immersed transformer ground lead device.
Background
Distribution transformers are one of the important devices in industrial and mining enterprises and civil building power supply and distribution systems, and reduce the voltage of a 10 (6) kV or 35kV network to 230/400V bus voltage used by users. The product is suitable for alternating current 50 (60) Hz, three-phase maximum rated capacity 2500kVA (single-phase maximum rated capacity 833kVA, generally, a single-phase transformer is not recommended) and can be used indoors (outdoors);
because oil-immersed transformer changes high pressure into low pressure, it is very important to prevent its electric leakage, except protecting oil-immersed transformer outside now, also can ground through earthing device, if the electric leakage can go into the ground with the electricity, avoid hindering the people, current earthing device's lead wire is in order to avoid in disorder or stumble the thing, reserves redundancy few, if the unexpected factor easily tears the ground lead wire off to make ground connection failure, cause safety hazard.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an oil-immersed transformer ground lead device, the earth connection is very straight under the normal condition, avoids in disorder and stumble the thing, can provide the buffering again when the earth connection atress, avoids the earth connection to tear apart, and safe easy-to-use can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an oil-immersed transformer grounding lead device comprises a mounting frame, a grounding wire, a mounting box, a grounding cylinder, a grounding wire stretching buffer unit and a transverse grounding insertion unit;
the inner side of the mounting frame is provided with a conducting ring, the bottom of the mounting frame is provided with a supporting plate, the supporting plate is provided with a conducting strip, two ends of the conducting strip are respectively connected with the inner side of the conducting ring, the bottom of the supporting plate is provided with a first connecting rod, one end of the grounding wire sequentially penetrates through the first connecting rod and the supporting plate to be connected with the conducting strip, and a grounding wire stretching and buffering unit is arranged inside the mounting box;
the tensile buffer unit of earth connection includes spring, slide rail, slider, runner, pivot and fender axle, vertical slide rail is installed respectively to the inside both sides of install bin, the spout sliding connection of slider and two slide rails is passed through at the both ends of pivot, the top of spring coupling slide rail is passed through at the top of slider, rotate in the pivot and be connected with the runner, and the inboard top of install bin is provided with the fender axle parallel with the pivot, the other end of earth connection passes install bin top through-hole in proper order, walks around the bottom of runner and the top of keeping off the axle, extends to the install bin below and runs through second connecting rod back connecting wire from the bottom round hole of install bin, connecting wire connects the cover, the top at a ground section of thick bamboo is installed to the cover, transversely insert ground unit and install in a ground section of thick bamboo inboard.
Conducting ring and conducting strip can be with the electric conductance that unexpected spilt to the earth connection, the installing frame is used for installing in oil-immersed transformer's bottom, when the earth connection receives to drag, earth connection pulling pivot rebound, the slider upwards moves along the slide rail this moment, the spring receives the compression also upwards to move about, the runner can realize rotating and avoid earth connection and pivot friction injury to the earth connection, when dragging to be got rid of the back, the spring extension, push down the slider along the slide rail, the pivot pulls back the redundant part of earth connection to the install bin again, can realize staying to the state of straining of earth connection outside the install bin, avoid the disorder of earth connection, the electric conductance that the earth connection will spill is gone into connecting wire and then is released the ground through cover and ground connection section of thick bamboo and is neutralized.
Further, transversely insert ground unit and include inserted bar, movable rod, carousel and hexagonal groove, the carousel rotates to be connected at a ground section of thick bamboo's inside bottom center, the one end of four movable rods of angle swing joint such as the top border of carousel, the one end of the other end difference swing joint inserted bar of movable rod, four slide openings have been seted up to angles such as the side of a ground section of thick bamboo, and four slide openings are run through respectively to the other end of four inserted bars, hexagonal groove has been seted up at the surface center of carousel.
Through hexagonal groove wrench movement carousel, the rotation of carousel can drive the inserted bar through the movable rod and stretch out the slide opening to transversely insert the stratum, realize the needs that a ground connection section of thick bamboo steadily buries the earth deeply, a ground connection section of thick bamboo need not open bigger hole just can realize burying deeply and transversely firm fixed.
Furthermore, the grounding wire further comprises a sliding sleeve, the sliding sleeve is arranged in a through hole in the top of the mounting box, and the grounding wire penetrates through the sliding sleeve. The sliding sleeve can provide a passage and protection for the movement of the grounding wire.
Further, still include the fixed plate, the side-mounting of install bin has the fixed plate. The fixed plate can conveniently be fixed the install bin.
Further, still include engaging lug and fixing bolt, the engaging lug is installed to the top bilateral symmetry of installing frame, threaded connection has fixing bolt on the engaging lug. The engaging lug is clamped on the bottom side surface of the oil-immersed transformer, and the fastening effect is realized through the fixing bolt.
Compared with the prior art, the beneficial effects of the utility model are that: this oil-immersed transformer ground connection pin device has following benefit:
1. conducting ring and conducting strip can be with the electric conductance that the accident spilled to the earth connection, the installing frame is used for installing in oil-immersed transformer's bottom, when the earth connection received the dragging, earth connection pulling pivot rebound, the slider upwards moved along the slide rail this moment, the spring received the compression also upwards the activity, the runner can realize rotating and avoid earth connection and pivot friction injury to the earth connection, the earth connection is gone into connecting wire then is released through cover and a ground connection section of thick bamboo with the electric conductance that spills and is neutralized in the ground.
2. Through hexagonal groove wrench movement carousel, the rotation of carousel can drive the inserted bar through the movable rod and stretch out the slide opening to transversely insert the stratum, realize the needs that a ground connection section of thick bamboo steadily buries the earth deeply, a ground connection section of thick bamboo need not open bigger hole just can realize burying deeply and transversely firm fixed.
3. The connecting lug is connected to the side face of the bottom of the oil-immersed transformer in a clamped mode, the fastening effect is achieved through the fixing bolt, the grounding wire is quite straight under normal conditions, messy and stumbled objects are avoided, the buffer can be provided when the grounding wire is stressed, the grounding wire is prevented from being broken, and the oil-immersed transformer is safe and easy to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom structure of the present invention;
fig. 3 is a schematic structural view of the ground wire stretching buffer unit of the present invention;
fig. 4 is a schematic view of the structure of the horizontal ground plugging unit of the present invention.
In the figure: the device comprises a mounting frame 1, a conductive ring 2, a connecting lug 3, a fixing bolt 4, a supporting plate 5, a conducting strip 6, a first connecting rod 7, a grounding wire 8, a sliding sleeve 9, a mounting box 10, a fixing plate 11, a grounding cylinder 12, a cylinder cover 13, a second connecting rod 14, a connecting wire 15, a grounding wire stretching buffer unit 16, a spring 161, a sliding rail 162, a sliding block 163, a rotating wheel 164, a rotating shaft 165, a blocking shaft 166, a transverse ground inserting unit 17, an inserting rod 171, a movable rod 172, a rotary disk 173 and a hexagonal groove 174.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an oil-immersed transformer grounding lead device comprises a mounting frame 1, a grounding wire 8, a mounting box 10, a grounding cylinder 12, a grounding wire stretching buffer unit 16 and a transverse grounding insertion unit 17;
the inner side of the mounting frame 1 is provided with a conducting ring 2, the bottom of the mounting frame 1 is provided with a supporting plate 5, the supporting plate 5 is provided with a conducting strip 6, two ends of the conducting strip 6 are respectively connected with the inner side of the conducting ring 2, the bottom of the supporting plate 5 is provided with a first connecting rod 7, one end of a grounding wire 8 sequentially penetrates through the first connecting rod 7 and the supporting plate 5 to be connected with the conducting strip 6, and a grounding wire stretching and buffering unit 16 is arranged inside the mounting box 10; the grounding wire 8 can be provided with three wires, so that the grounding effect is increased.
The ground wire stretching buffer unit 16 comprises a spring 161, a slide rail 162, a slide block 163, a rotating wheel 164, a rotating shaft 165 and a blocking shaft 166, wherein the vertical slide rail 162 is respectively installed at two sides inside the installation box 10, two ends of the rotating shaft 165 are slidably connected with the slide grooves of the two slide rails 162 through the slide block 163, the top of the slide block 163 is connected with the top of the slide rail 162 through the spring 161, the rotating shaft 165 is rotatably connected with the rotating wheel 164, and the inboard top of installing bin 10 is provided with the fender axle 166 parallel with pivot 165, and the other end of earth connection 8 passes through installing bin 10 top through-hole in proper order, walks around the bottom of runner 164 and the top of fender axle 166, extends to installing bin 10 below and connects connecting wire 15 after running through second connecting rod 14 from the bottom round hole of installing bin 10, and connecting wire 15 connects cover 13, and cover 13 is installed at the top of a ground section of thick bamboo 12, transversely inserts ground unit 17 and installs in a ground section of thick bamboo 12 inboard. The barrel cover 13 and the grounding barrel 12 are made of materials with good electric conductivity, so that electric energy can be conveniently released to the ground. Both the connection wire 15 and the ground wire 8 may be wires with an insulating sheath.
The horizontal ground inserting unit 17 comprises inserting rods 171, movable rods 172, a rotary disc 173 and hexagonal grooves 174, the rotary disc 173 is rotatably connected to the center of the bottom of the inside of the grounding cylinder 12, the top edge of the rotary disc 173 is movably connected with one end of each of the four movable rods 172 at equal angles, the other end of each of the movable rods 172 is movably connected with one end of the corresponding inserting rod 171, four sliding holes are formed in the side face of the grounding cylinder 12 at equal angles, the other ends of the four inserting rods 171 penetrate through the four sliding holes respectively, and the hexagonal grooves 174 are formed in the center of the surface of the rotary disc 173.
The turntable 173 is twisted through the hexagonal groove 174, the rotation of the turntable 173 can drive the insertion rod 171 to extend out of the slide hole through the movable rod 172, so that the insertion rod is transversely inserted into the ground layer, the requirement of stable deep burying of the grounding cylinder 12 in the ground is met, and the grounding cylinder 12 can be deeply buried and transversely and stably fixed without a larger pit.
Wherein, still include sliding sleeve 9, sliding sleeve 9 sets up the through-hole at the installation box 10 top, and earth connection 8 passes from sliding sleeve 9. The sliding sleeve 9 can provide a passage and protection for the movement of the ground wire 8, and also comprises a fixing plate 11, and the fixing plate 11 is arranged on the side surface of the installation box 10. The fixing plate 11 can be conveniently fixed with the installation box 10, and further comprises connecting lugs 3 and fixing bolts 4, the connecting lugs 3 are symmetrically installed on two sides of the top of the installation frame 1, and the connecting lugs 3 are connected with the fixing bolts 4 through threads. The connecting lug 3 is clamped on the side face of the bottom of the oil-immersed transformer, and fastening effect is achieved through the fixing bolt 4.
The mounting box 10 can be fixed on the external support through the fixing plate 11, or can be fixed on the ground surface, so that the mounting box 10 is flush with the ground surface, and the fixing plate 11 can increase the resistance of the mounting box 10 to being pulled out.
When in use: conducting ring 2 and conducting strip 6 can be with the electric conductance that unexpected spilt to earth connection 8, mounting frame 1 is used for installing in oil-immersed transformer's bottom, when earth connection 8 receives to be dragged, 8 pulling pivots 165 rebound of earth connection, slider 163 moves upwards along slide rail 162 this moment, spring 161 receives the compression also upwards to move, runner 164 can realize rotating and avoids earth connection 8 and pivot 165 friction injury to earth connection 8, after dragging to be got rid of, spring 161 extension, push down slider 163 along slide rail 162, pivot 165 pulls back the redundant part of earth connection 8 in mounting box 10 again, can realize staying the tight state of earth connection 8 outside mounting box 10, avoid the disorder of earth connection 8, earth connection 8 is with the electric conductance that spills leading-in to connecting wire 15 then release to ground through cover 13 and earthing barrel 12 and neutralizes.
It is noted that other parts of the present invention, which are not described in detail, are conventional techniques known to 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 (5)
1. The utility model provides an oil-immersed transformer ground lead device which characterized in that: the device comprises a mounting frame (1), a grounding wire (8), a mounting box (10), a grounding cylinder (12), a grounding wire stretching buffer unit (16) and a transverse ground insertion unit (17);
the inner side of the mounting frame (1) is provided with a conducting ring (2), the bottom of the mounting frame (1) is provided with a supporting plate (5), the supporting plate (5) is provided with a conducting plate (6), two ends of the conducting plate (6) are respectively connected with the inner side of the conducting ring (2), the bottom of the supporting plate (5) is provided with a first connecting rod (7), one end of a grounding wire (8) sequentially penetrates through the first connecting rod (7) and the supporting plate (5) to be connected with the conducting plate (6), and a grounding wire stretching and buffering unit (16) is arranged inside the mounting box (10);
the tensile buffer unit (16) of earth connection includes spring (161), slide rail (162), slider (163), runner (164), pivot (165) and fender axle (166), vertical slide rail (162) are installed respectively to the inside both sides of install bin (10), the spout sliding connection of slider (163) and two slide rails (162) is passed through at the both ends of pivot (165), the top of slider (163) is passed through spring (161) and is connected the top of slide rail (162), it is connected with runner (164) to rotate on pivot (165), and the inboard top of install bin (10) is provided with fender axle (166) parallel with pivot (165), the other end of earth connection (8) passes install bin (10) top through-hole in proper order, walks around the bottom of runner (164) and the top of fender axle (166), extends to install bin (10) below and connect wire (15) after running through second connecting rod (14) from the bottom round hole of install bin (10), the connecting wire (15) is connected with the cylinder cover (13), the cylinder cover (13) is installed at the top of the grounding cylinder (12), and the transverse ground inserting unit (17) is installed on the inner side of the grounding cylinder (12).
2. The oil-filled transformer grounding lead device according to claim 1, characterized in that: transversely insert ground unit (17) and include inserted bar (171), movable rod (172), carousel (173) and hexagonal groove (174), carousel (173) rotate to be connected at the inside bottom center of a section of thick bamboo (12) that connects to the earth, the one end of four movable rod (172) of angle swing joint such as the top border of carousel (173), the other end difference swing joint inserted bar (171) of movable rod (172), four slide openings have been seted up to angles such as the side of a section of thick bamboo (12) that connects to the earth, and four slide openings are run through respectively to the other end of four inserted bar (171), hexagonal groove (174) have been seted up at the surface center of carousel (173).
3. The oil-filled transformer grounding lead device according to claim 1, characterized in that: still include sliding sleeve (9), sliding sleeve (9) set up the through-hole at install bin (10) top, earth connection (8) pass from sliding sleeve (9).
4. The oil-filled transformer grounding lead device according to claim 1, characterized in that: still include fixed plate (11), fixed plate (11) are installed to the side of install bin (10).
5. The oil-filled transformer grounding lead device according to claim 1, characterized in that: still include engaging lug (3) and fixing bolt (4), engaging lug (3) are installed to the top bilateral symmetry of installing frame (1), threaded connection has fixing bolt (4) on engaging lug (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021190765.3U CN212136222U (en) | 2020-06-24 | 2020-06-24 | Oil-immersed transformer ground lead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021190765.3U CN212136222U (en) | 2020-06-24 | 2020-06-24 | Oil-immersed transformer ground lead device |
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| Publication Number | Publication Date |
|---|---|
| CN212136222U true CN212136222U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021190765.3U Active CN212136222U (en) | 2020-06-24 | 2020-06-24 | Oil-immersed transformer ground lead device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267970A (en) * | 2022-01-04 | 2022-04-01 | 天威保变（秦皇岛）变压器有限公司 | Grounding device of oil-immersed transformer |
-
2020
- 2020-06-24 CN CN202021190765.3U patent/CN212136222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267970A (en) * | 2022-01-04 | 2022-04-01 | 天威保变（秦皇岛）变压器有限公司 | Grounding device of oil-immersed transformer |
| CN114267970B (en) * | 2022-01-04 | 2023-08-15 | 天威保变（秦皇岛）变压器有限公司 | Grounding device of oil immersed transformer |
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