CN215343024U - Electric grounding protection device for power plant - Google Patents
Electric grounding protection device for power plant Download PDFInfo
- Publication number
- CN215343024U CN215343024U CN202121467179.3U CN202121467179U CN215343024U CN 215343024 U CN215343024 U CN 215343024U CN 202121467179 U CN202121467179 U CN 202121467179U CN 215343024 U CN215343024 U CN 215343024U
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- Prior art keywords
- terminal
- butt joint
- groove
- power plant
- protection device
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- Expired - Fee Related
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- 210000001503 joint Anatomy 0.000 claims abstract description 70
- 239000004576 sand Substances 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 abstract description 12
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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Abstract
The utility model discloses an electrical grounding protection device for a power plant, which comprises a first terminal, a first screw, a knob and a second screw, wherein a first connecting groove is formed in the first terminal, a connecting sleeve is fixed at the bottom of the first terminal, a butt joint pipe is arranged on the outer side of the first terminal, the first terminal is connected with the butt joint pipe through a sliding groove, a nut is arranged in one side of the butt joint pipe, the first screw sequentially penetrates through the butt joint pipe and the first connecting groove to be connected with the nut, a protective sleeve is arranged in the connecting sleeve, and a cover plate is arranged on the outer side of the protective sleeve. This electric ground protection device for power plant injects the sand grip into the butt joint groove, because the maximum diameter of sand grip is greater than the opening width of butt joint groove for difficult unclamping behind second terminal and the butt joint terminal, run through the second spread groove with the second screw again and be connected with the butt joint terminal, thereby be convenient for the location installation of the butt joint terminal of second terminal and ground.
Description
Technical Field
The utility model relates to the technical field of grounding protection, in particular to an electrical grounding protection device for a power plant.
Background
In the power plant, the grounding protection means that the power plant is not electrified under normal conditions, and the power plant is reliably connected with the grounding body by a wire after the insulating material is damaged, but the power plant electric grounding protection device in the current market is difficult to position when being butted and installed with the ground, the requirement on the power plant electric grounding protection device is higher and higher, the work efficiency of the power plant electric grounding protection device is expected to be improved by innovating the power plant electric grounding protection device, the maximum value is exerted, along with the development of science and technology, the power plant electric grounding protection device is developed to a great extent, great convenience is brought to people when cleaning and dust collection are carried out on a plant, and the type and the number of the power plant electric grounding protection device are increased day by day.
Although the types and the number of the electric grounding protection devices for power plants on the market are very large, the electric grounding protection devices for power plants have the following defects: the first terminal and the electrical equipment in the electrical grounding protection device for the power plant are inconvenient to butt joint and install, the protective sleeve and the first terminal in the electrical grounding protection device for the power plant are inconvenient to clamp and fix, and the second terminal and the butt joint terminal on the ground in the electrical grounding protection device for the power plant are inconvenient to position during butt joint and installation. Therefore, the existing electric grounding protection device for power plants needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electrical ground protection device for a power plant, which solves the problems that a first terminal and electrical equipment in the electrical ground protection device for the power plant in the current market are inconvenient to butt joint and install, a protection sleeve and the first terminal in the electrical ground protection device for the power plant are inconvenient to clamp and fix, and a butt joint terminal between a second terminal and the ground in the electrical ground protection device for the power plant is inconvenient to position during butt joint and installation.
In order to achieve the purpose, the utility model provides the following technical scheme: an electric grounding protection device for a power plant comprises a first terminal, a first screw, a knob and a second screw, wherein a first connecting groove is formed in the first terminal, a connecting sleeve is fixed at the bottom of the first terminal, a butt joint pipe is arranged on the outer side of the first terminal, and the first terminal is connected with the butt joint pipe through the sliding groove;
a nut is arranged in one side of the butt joint pipe, the first screw penetrates through the butt joint pipe and the first connecting groove in sequence to be connected with the nut, a protective sleeve is arranged in the connecting sleeve, a cover plate is arranged on the outer side of the protective sleeve, a bulge is fixed on the inner side of the cover plate, the knob penetrates through the cover plate to be connected with the connecting sleeve, and a second terminal is fixed at one end, far away from the connecting sleeve, of the protective sleeve;
the second spread groove has been seted up to the inside of second terminal, one side of second terminal is fixed with the sand grip, one side that the second terminal is close to the sand grip is provided with butt joint terminal, the sand grip is connected with butt joint terminal through butt joint groove, the second screw runs through the second spread groove and is connected with butt joint terminal.
Preferably, the cross section of the first terminal is in an i shape, the size of the first terminal is matched with that of the sliding chute, and a sliding structure is formed between the first terminal and the butt pipe through the sliding chute.
Preferably, the connecting size of the nut is matched with that of the butt joint pipe, and the axial lead of the nut is overlapped with that of the first connecting groove.
Preferably, the number of the protrusions is four, the four protrusions are distributed at equal included angles relative to the surface of the cover plate, and the cross section of each protrusion is triangular.
Preferably, the cross-sectional shape of sand grip is "T" style of calligraphy, and the maximum diameter of sand grip is greater than the opening width of butt joint groove to be interference fit between sand grip and the butt joint groove.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the electric grounding protection device for the power plant, the first terminal is inserted into the sliding groove of the butt joint pipe in a sliding mode, and when the axial lead of the first connecting groove in the first terminal is coincident with the axial lead of the nut, the first screw penetrates through the butt joint pipe and the first connecting groove in sequence to be connected with the nut, so that the butt joint installation of the first terminal and the electric equipment is facilitated;
(2) according to the electric grounding protection device for the power plant, the protection sleeve is placed in the connecting sleeve, the cover plate is placed on the surface of the protection sleeve, and the protrusion is arranged on the surface of the inner wall of the cover plate, so that the protrusion extrudes the surface of the protection sleeve, the protection sleeve is not easy to fall off from the connecting sleeve, and the protection sleeve and the first terminal are convenient to clamp and fix;
(3) this electricity power plant uses electrical grounding protection device injects the sand grip into the butt joint groove, because the maximum diameter of sand grip is greater than the opening width of butt joint groove for difficult unclamping behind second terminal and the butt joint terminal, run through the second spread groove with the second screw again and be connected with the butt joint terminal, thereby be convenient for the location installation of the butt joint terminal of second terminal and ground.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side sectional view of a second terminal according to the present invention;
FIG. 3 is a schematic top cross-sectional view of the butt-jointed pipe of the present invention;
fig. 4 is a schematic view of the bottom cross-section structure of the connecting sleeve of the present invention.
In the figure: 1. a first terminal; 2. a first connecting groove; 3. connecting sleeves; 4. butt-joint pipes; 5. a chute; 6. a nut; 7. a first screw; 8. a protective sleeve; 9. a cover plate; 10. a protrusion; 11. a knob; 12. a second terminal; 13. a second connecting groove; 14. a convex strip; 15. a butt terminal; 16. a butt joint groove; 17. a second screw.
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.
Referring to fig. 1-4, the present invention provides a technical solution: an electric grounding protection device for a power plant comprises a first terminal 1, a first connecting groove 2, a connecting sleeve 3, a butt joint pipe 4, a sliding groove 5, a nut 6, a first screw 7, a protective sleeve 8, a cover plate 9, a protrusion 10, a knob 11, a second terminal 12, a second connecting groove 13, a convex strip 14, a butt joint terminal 15, a butt joint groove 16 and a second screw 17, wherein the first connecting groove 2 is formed in the first terminal 1, the cross section of the first terminal 1 is I-shaped, the size of the first terminal 1 is matched with that of the sliding groove 5, the first terminal 1 forms a sliding structure with the butt joint pipe 4 through the sliding groove 5, so that the first terminal 1 slides in the sliding groove 5, the butt joint installation of the first terminal 1 is facilitated, the connecting sleeve 3 is fixed at the bottom of the first terminal 1, the butt joint pipe 4 is arranged on the outer side of the first terminal 1, the first terminal 1 is connected with the butt joint pipe 4 through the chute 5;
the connecting structure is characterized in that a nut 6 is arranged inside one side of the butt joint pipe 4, the nut 6 is matched with the connecting size of the butt joint pipe 4, the axial lead of the nut 6 is coincident with the axial lead of the first connecting groove 2, so that a first screw 7 can simultaneously penetrate through the nut 6 and the first connecting groove 2, and the first terminal 1 can be conveniently fixed and placed after being installed, the first screw 7 sequentially penetrates through the butt joint pipe 4 and the first connecting groove 2 to be connected with the nut 6, a protective sleeve 8 is arranged inside the connecting sleeve 3, a cover plate 9 is arranged outside the protective sleeve 8, a bulge 10 is fixed on the inner side of the cover plate 9, four bulges 10 are arranged, the four bulges 10 are distributed at equal included angles relative to the surface of the cover plate 9, the cross section of each bulge 10 is triangular, the bulges 10 are extruded with the surface of the protective sleeve 8, and installation between the protective sleeve 8 and the first terminal 1 is facilitated, the knob 11 penetrates through the cover plate 9 to be connected with the connecting sleeve 3, and a second terminal 12 is fixed at one end, far away from the connecting sleeve 3, of the protective sleeve 8;
The working principle is as follows: when the electric grounding protection device for the power plant is used, firstly, the protection sleeve 8 is placed in the connecting sleeve 3, then the cover plate 9 is placed on the surface of the protection sleeve 8, because the inner wall surface of the cover plate 9 is provided with the bulges 10 distributed at equal included angles, the bulges 10 extrude the surface of the protection sleeve 8, so that the protection sleeve 8 is not easy to fall off from the connecting sleeve 3, the knob 11 penetrates through the cover plate 9 and is connected with the connecting sleeve 3, thereby facilitating the fixed installation between the protection sleeve 8 and the first terminal 1, then, the butt joint pipe 4 and the electric equipment are installed, then, the first terminal 1 is inserted into the chute 5 of the butt joint pipe 4 in a sliding manner, when the first connecting groove 2 in the first terminal 1 is coincident with the axial lead of the nut 6, the first screw 7 sequentially penetrates through the butt joint pipe 4, the first connecting groove 2 is connected with the nut 6, so that the first terminal 1 is butt joint with the butt joint pipe 4, so as to facilitate the butt-joint installation of the first terminal 1, then, the protruding strip 14 on one side of the second terminal 12 is inserted into the butt-joint groove 16 of the butt-joint terminal 15, when the protruding strip 14 is completely overlapped with the butt-joint terminal 15, since the maximum diameter of the protruding strip 14 is larger than the opening width of the butt-joint groove 16, the second terminal 12 is not easily separated from the butt-joint terminal 15, and then the second screw 17 is connected with the butt-joint terminal 15 through the second connecting groove 13, so that the second terminal 12 is connected with the butt-joint terminal 15 on the ground, thereby facilitating the butt-joint installation of the second terminal 12 and the butt-joint terminal 15 on the ground, which is not described in detail in this specification.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides an electric ground protection device is used to power plant, includes first terminal (1), first screw (7), knob (11) and second screw (17), its characterized in that: a first connecting groove (2) is formed in the first terminal (1), a connecting sleeve (3) is fixed at the bottom of the first terminal (1), a butt joint pipe (4) is arranged on the outer side of the first terminal (1), and the first terminal (1) is connected with the butt joint pipe (4) through a sliding groove (5);
a nut (6) is arranged inside one side of the butt joint pipe (4), the first screw (7) sequentially penetrates through the butt joint pipe (4) and the first connecting groove (2) to be connected with the nut (6), a protective sleeve (8) is arranged inside the connecting sleeve (3), a cover plate (9) is arranged on the outer side of the protective sleeve (8), a protrusion (10) is fixed on the inner side of the cover plate (9), the knob (11) penetrates through the cover plate (9) to be connected with the connecting sleeve (3), and a second terminal (12) is fixed at one end, far away from the connecting sleeve (3), of the protective sleeve (8);
second spread groove (13) have been seted up to the inside of second terminal (12), one side of second terminal (12) is fixed with sand grip (14), one side that second terminal (12) are close to sand grip (14) is provided with butt joint terminal (15), sand grip (14) are connected with butt joint terminal (15) through butt joint groove (16), second screw (17) run through second spread groove (13) and are connected with butt joint terminal (15).
2. An electrical ground protection device for a power plant according to claim 1, wherein: the cross section of the first terminal (1) is I-shaped, the size of the first terminal (1) is matched with that of the sliding groove (5), and the first terminal (1) and the butt joint pipe (4) form a sliding structure through the sliding groove (5).
3. An electrical ground protection device for a power plant according to claim 1, wherein: the connecting size of the nut (6) and the butt joint pipe (4) is matched, and the axial lead of the nut (6) and the axial lead of the first connecting groove (2) are overlapped.
4. An electrical ground protection device for a power plant according to claim 1, wherein: the number of the bulges (10) is four, the bulges (10) are distributed at equal included angles relative to the surface of the cover plate (9), and the cross section of each bulge (10) is triangular.
5. An electrical ground protection device for a power plant according to claim 1, wherein: the cross section of each convex strip (14) is T-shaped, the maximum diameter of each convex strip (14) is larger than the opening width of each butt joint groove (16), and the convex strips (14) are in interference fit with the butt joint grooves (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121467179.3U CN215343024U (en) | 2021-06-29 | 2021-06-29 | Electric grounding protection device for power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121467179.3U CN215343024U (en) | 2021-06-29 | 2021-06-29 | Electric grounding protection device for power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215343024U true CN215343024U (en) | 2021-12-28 |
Family
ID=79563117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121467179.3U Expired - Fee Related CN215343024U (en) | 2021-06-29 | 2021-06-29 | Electric grounding protection device for power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215343024U (en) |
-
2021
- 2021-06-29 CN CN202121467179.3U patent/CN215343024U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |