阅读说明：本技术 一种电力配网建设用接地箱 (Grounding box for power distribution network construction ) 是由 韩丽君 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种电力配网建设用接地箱,涉及电网建设技术领域。本发明包括外壳和底盘,外壳的一端对齐设置有底盘,外壳的侧面呈波纹状设置；外壳的内部沿竖直方向设置有安装架；安装架包括第一绝缘环、第二绝缘环和第一连接杆,第一绝缘环和第二绝缘环为上下对齐设置,且第一绝缘环和第二绝缘环之间通过第一连接杆固定连接；第一绝缘环的外侧壁上沿周向均布设置有多个呈倒L形设置的导向条,导向条的顶面上设置有导向孔。本发明通过外壳、套管、螺旋杆、六角块、进线套、止水环、进水孔、第一安装板、第二安装板和第三安装板的设置,及结构之间的配合,使本装置的拆卸安装便捷、接线操作简单、散热效果好且与外部结构连接方式丰富。(The invention discloses a grounding box for power distribution network construction, and relates to the technical field of power grid construction. The invention comprises a shell and a chassis, wherein the chassis is arranged at one end of the shell in an aligned manner, and the side surface of the shell is arranged in a corrugated manner; a mounting rack is arranged in the shell along the vertical direction; the mounting frame comprises a first insulating ring, a second insulating ring and a first connecting rod, the first insulating ring and the second insulating ring are arranged in an up-down alignment mode, and the first insulating ring and the second insulating ring are fixedly connected through the first connecting rod; a plurality of guide strips which are arranged in an inverted L shape are uniformly distributed on the outer side wall of the first insulation ring along the circumferential direction, and guide holes are formed in the top surface of each guide strip. According to the invention, through the arrangement of the shell, the sleeve, the spiral rod, the hexagonal block, the wire inlet sleeve, the water stop ring, the water inlet hole, the first mounting plate, the second mounting plate and the third mounting plate and the matching among the structures, the device is convenient to disassemble and assemble, simple in wire connection operation, good in heat dissipation effect and rich in connection mode with an external structure.)

1. The utility model provides a grounding box is used in power distribution network construction, includes shell (1) and chassis (2), its characterized in that: one end of the shell (1) is provided with a chassis (2) in an aligning way, and the side surface of the shell (1) is arranged in a corrugated way; a mounting rack (4) is arranged in the shell (1) along the vertical direction;

the mounting frame (4) comprises a first insulating ring (401), a second insulating ring (402) and a first connecting rod (403), the first insulating ring (401) and the second insulating ring (402) are arranged in an up-down alignment mode, and the first insulating ring (401) and the second insulating ring (402) are fixedly connected through the first connecting rod (403);

a plurality of inverted L-shaped guide strips (4011) are uniformly distributed on the outer side wall of the first insulating ring (401) along the circumferential direction, and guide holes (4012) are formed in the top surfaces of the guide strips (4011);

the second insulating ring (402) is arranged on one side close to the chassis (2), and the second insulating ring (402) is fixedly connected with the chassis (2) through a second connecting rod (404);

a through hole (206) is formed in the center of the chassis (2), and a plurality of wire inlet sleeves (203) are connected to the chassis (2) on the outer side of the through hole (206) in a communicating manner; a sleeve (7) is arranged in the center of the interior of the shell (1) along the vertical direction, one end of the sleeve (7) is in clearance fit in the through hole (206), the sleeve (7) is rotatably connected with the inner bottom surface of the chassis (2) through a rolling bearing (205), a screw rod (102) is sleeved in the other end of the sleeve (7), a first internal thread (701) is arranged on the inner wall of the sleeve (7), and the first internal thread (701) is used for being in spiral fit with the screw rod (102);

a second internal thread (2061) is arranged on the inner part of the through hole (206) positioned on one side of the sleeve (7), and the second internal thread (2061) is used for being in screw fit with a first external thread (2011) on the outer side wall of one end of the sealing sleeve (201);

wherein, a hexagonal block (702) is concentrically arranged on the outer end surface of the sleeve (7) positioned in the through hole (206);

a sealing ring (204) is arranged on one side surface of the chassis (2) close to the shell (1) along the circumferential direction, and the sealing ring (204) and the wire inlet sleeve (203) are respectively positioned on two sides of the chassis (2);

a connecting sleeve (202) is arranged in the wire inlet sleeve (203) in a matched mode, a water inlet sleeve (2021) is integrally formed on the connecting sleeve (202), an installation groove (2025) with an opening facing inwards is formed in the water inlet sleeve (2021) along the circumferential direction, a water stop ring (2022) is arranged in the installation groove (2025) in an interference fit mode, and water inlet holes (2024) are uniformly formed in the side wall of the water inlet sleeve (2021) on the outer side of the water stop ring (2022) along the circumferential direction;

a second external thread (2023) is arranged on the outer wall of the connecting sleeve (202) on one side of the water inlet sleeve (2021), and the second external thread (2023) is used for being in threaded fit with a third internal thread (2031) on the inner wall of the wire inlet sleeve (203);

one end of the screw rod (102) is fixedly connected to the inner top surface of the shell (1), guide rods (101) are uniformly distributed on the inner top surface of the shell (1) at the outer side of the screw rod (102) along the circumferential direction, a limiting disc (104) is fixedly connected to the other end of each guide rod (101), and the guide rods (101) are used for being in clearance fit in the guide holes (4012);

the outer shell (1) is connected with a first mounting plate (3) through a fixing column (301) relative to the center of the outer surface of the other end of the outer shell provided with the chassis (2), and four corners of the first mounting plate (3) are provided with first mounting holes (302).

2. The grounding box for the construction of the power distribution network as claimed in claim 1, wherein first fixing bolts (4013) are uniformly distributed on one side surface of the first insulating ring (401) far away from the second insulating ring (402) along the circumferential direction, and second fixing bolts (4021) are uniformly distributed on one side surface of the second insulating ring (402) close to the first insulating ring (401) along the circumferential direction; the inner part of the first insulating ring (401) is provided with a conducting mechanism (5), and the inner part of one side of the second insulating ring (402) is provided with a connecting mechanism (6).

3. The grounding box for the construction of the power distribution network as claimed in claim 2, wherein the conductive mechanism (5) comprises a triangular conductive frame (501) and a protector (502), the protector (502) is fixedly connected to three corners of one side of the triangular conductive frame (501) close to the second insulating ring (402) through connecting bolts, the first fixing lugs (504) are arranged on the outer side walls of the three corners of the other end of the triangular conductive frame (501), the first fixing holes (505) are arranged on the first fixing lugs (504), and the first fixing holes (505) are used for being matched and fixed with the first fixing bolts (4013); and a ground wire connector (503) is fixedly connected to one end face of the center position of one side plate of the triangular conductive frame (501), and the ground wire connector (503) and the protector (502) are respectively positioned at two sides of the triangular conductive frame (501).

4. The grounding box for the construction of the power distribution network as claimed in claim 2, wherein the connecting mechanism (6) comprises a triangular connecting frame (601) and insulators (602), and the insulators (602) are fixedly connected to three corners of one side surface of the triangular connecting frame (601) close to the first insulating ring (401) through connecting bolts; the outer side walls of three corners of the triangular connecting frame (601) are fixedly connected with second fixing lugs (603), second fixing holes (604) are formed in the second fixing lugs (603), and the second fixing holes (604) are used for being matched and fixed with second fixing bolts (4021).

5. The grounding box for the construction of the power distribution network as claimed in claim 4, wherein the triangular connecting frame (601) and the triangular conductive frame (501) are aligned, and the three protectors (502) on the triangular conductive frame (501) are respectively fixedly connected with the aligned insulators (602) on the triangular connecting frame (601) through the first conductive plate (8).

6. The grounding box for the construction of the power distribution network of claim 5, wherein the first conductive plates (8) are vertically provided with first connecting plates (801) on the same side surfaces of the two ends respectively, the first connecting plates (801) are provided with third fixing holes (802), one of the third fixing holes (802) is used for being matched with the connecting bolt on the protector (502), and the other third fixing hole (802) is used for being matched with the connecting bolt on the insulator (602).

7. The grounding box for the construction of the power distribution network as claimed in claim 1, wherein the connecting bolt on the insulator (602) is further used for being matched and fixed with a fourth fixing hole (903) on a second connecting plate (902), and the second connecting plate (902) is vertically connected with one end of the second conductive plate (9); meanwhile, a wire connector (901) is arranged on one side face of the other end of the second conductive plate (9).

8. The grounding box for the power distribution network construction as claimed in claim 7, wherein the wire connector (901) and the second connecting plate (902) are located at the same side of the second conductive plate (9), and one end of the second conductive plate (9) provided with the wire connector (901) extends to one side of the chassis (2).

9. The grounding box for the construction of the power distribution network as claimed in claim 1, wherein a sealing groove (103) is circumferentially arranged on one end surface of the outer shell (1) close to the chassis (2), the sealing groove (103) is used for being in clearance fit with the sealing ring (204), and a rubber sealing ring is further fitted between the sealing groove (103) and the sealing ring (204).

Technical Field

The invention belongs to the technical field of power grid construction, and particularly relates to a grounding box for power distribution network construction, which is mainly used for the concentrated grounding protection effect in a power distribution network.

Background

The grounding box is used for releasing grounding wires and plays a role in protecting the grounding wires, and the grounding box and the grounding busbar play a role in collecting the connecting equipment of the grounding wires, firstly, the grounding busbar is arranged in the grounding box in the grounding process of the existing grounding box, but the internal wiring operation of the grounding box is inconvenient due to the limitation of the integral structure of the grounding box, the connection between the box cover and the box body of the existing grounding box is mainly fixed through bolts, the number of the bolts is large, the connection and the disassembly operation between the box cover and the box body are troublesome, secondly, after a cable passes through the wire inlet sleeve in the existing grounding box, a large gap exists between the wire inlet sleeve and the cable, water vapor easily enters the internal part of the grounding box to corrode the internal components of the wire inlet box, thirdly, the integral heat dissipation effect of the existing grounding box is poor, the using effect is not ideal, and finally, the connecting mode of the existing grounding box and an external structure is, it is difficult to adapt to different installation environments, and thus there is a need for an improvement in the art to solve the above problems.

Disclosure of Invention

The invention aims to provide a grounding box for power distribution network construction, which can increase the surface area and improve the heat dissipation effect under a smaller size through the arrangement of the corrugated side wall layers of a shell, can realize that a connecting body of a chassis and a mounting rack can move out of the interior of the shell under the driving of the rotation of a sleeve through the matching arrangement of the sleeve and a spiral rod, can realize the wire connection of workers at the outer side of the shell through the arrangement, is simple to operate, can realize the sealing and water prevention between a cable and a wire inlet sleeve under the characteristic that a water stop ring expands when encountering water through the arrangement of the water stop ring, can facilitate the fixed installation of the device under any environment through the matching arrangement of a first mounting plate, a second mounting plate and a third mounting plate, and solves the problems that the conventional grounding box is inconvenient in wire connection and connection, The problems of troublesome mounting and dismounting between the box body and the box cover, poor integral heat dissipation effect, single mounting mode with an external structure and poor sealing and waterproof performance.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a grounding box for power distribution network construction, which comprises a shell and a chassis, wherein the chassis is arranged at one end of the shell in an aligned mode, and the side surface of the shell is arranged in a corrugated mode; a mounting rack is arranged in the shell along the vertical direction;

the mounting frame comprises a first insulating ring, a second insulating ring and a first connecting rod, wherein the first insulating ring and the second insulating ring are arranged in an up-and-down alignment manner and are fixedly connected through the first connecting rod;

a plurality of guide strips which are arranged in an inverted L shape are uniformly distributed on the outer side wall of the first insulating ring along the circumferential direction, and guide holes are formed in the top surfaces of the guide strips;

the second insulating ring is arranged on one side close to the chassis and is fixedly connected with the chassis through a second connecting rod;

a through hole is formed in the center of the chassis, and a plurality of wire inlet sleeves are connected to the chassis outside the through hole in a communicating manner; a sleeve is arranged at the center of the inner part of the shell along the vertical direction, one end of the sleeve is in clearance fit with the through hole, the sleeve is rotatably connected with the inner bottom surface of the chassis through a rolling bearing, a screw rod is sleeved in the other end of the sleeve, a first internal thread is arranged on the inner wall of the sleeve and is used for being in spiral fit with the screw rod;

a second internal thread is arranged on the inner part of the through hole, which is positioned on one side of the sleeve, and the second internal thread is used for being in screw fit with the first external thread on the outer side wall of one end of the sealing sleeve;

wherein, the outer end face of the sleeve positioned in the through hole is concentrically provided with a hexagonal block;

a sealing ring is arranged on one side surface of the chassis close to the shell along the circumferential direction, and the sealing ring and the wire inlet sleeve are respectively positioned on two sides of the chassis;

the water inlet sleeve is internally provided with a connecting sleeve in a matched manner, the connecting sleeve is integrally provided with a water inlet sleeve, the inside of the water inlet sleeve is circumferentially provided with a mounting groove with an inward opening, a water stop ring is in interference fit in the mounting groove, and water inlet holes are uniformly distributed on the side wall of the water inlet sleeve outside the water stop ring along the circumferential direction;

a second external thread is arranged on the outer wall of the connecting sleeve on one side of the water inlet sleeve and is used for being in spiral fit with a third internal thread on the inner wall of the wire inlet sleeve;

one end of the spiral rod is fixedly connected to the inner top surface of the shell, guide rods are uniformly distributed on the inner top surface of the shell at the outer side of the spiral rod along the circumferential direction, a limiting disc is fixedly connected to the other end of each guide rod, and the guide rods are in clearance fit in the guide holes;

the shell is connected with a first mounting plate through a fixing column relative to the center of the outer surface of the other end of the shell, wherein the center of the outer surface of the other end of the shell is provided with a chassis, and four corners of the first mounting plate are provided with first mounting holes.

Furthermore, first fixing bolts are uniformly distributed on one side surface, far away from the second insulating ring, of the first insulating ring along the circumferential direction, and second fixing bolts are uniformly distributed on one side surface, close to the first insulating ring, of the second insulating ring along the circumferential direction; the inside of first insulating ring is provided with electrically conductive mechanism, and the inside of second insulating ring one side is provided with coupling mechanism simultaneously.

Furthermore, the conductive mechanism comprises a triangular conductive frame and a protector, the three corners of one side surface of the triangular conductive frame, which is close to the second insulating ring, are fixedly connected with the protector through connecting bolts, and the outer side walls of the three corners of the other end of the triangular conductive frame are provided with first fixing lugs; and a ground wire connector is fixedly connected to one end face of the center position of one side plate of the triangular conductive frame, and the ground wire connector and the protector are respectively positioned on two sides of the triangular conductive frame.

Furthermore, the connecting mechanism comprises a triangular connecting frame and insulators, and the three corners of one side surface of the triangular connecting frame, which is close to the first insulating ring, are fixedly connected with the insulators through connecting bolts; the outer side walls of three corners of the triangular connecting frame are fixedly connected with second fixing lugs, second fixing holes are formed in the second fixing lugs, and the second fixing holes are used for being matched and fixed with second fixing bolts.

Furthermore, the triangular connecting frame and the triangular conductive frame are arranged in an aligned mode, and the three protectors on the triangular conductive frame are fixedly connected with the aligned insulators on the triangular connecting frame through first conductive plates respectively.

Furthermore, be provided with first connecting plate perpendicularly on the same side at first current conducting plate both ends respectively, be provided with the third fixed orifices on the first connecting plate, one of them the third fixed orifices is used for cooperating with the connecting bolt on the protector, another simultaneously the third fixed orifices is used for cooperating with the connecting bolt on the insulator.

Furthermore, the connecting bolt on the insulator is also used for being matched and fixed with a fourth fixing hole on a second connecting plate, and the second connecting plate is vertically connected with one end of a second current-conducting plate; and a wire connector is arranged on one side face of the other end of the second conductive plate.

Furthermore, the wire connector and the second connecting plate are located on the same side of the second conductive plate, and one end of the second conductive plate, which is provided with the wire connector, extends to one side of the chassis.

Further, a sealing groove is formed in the end face, close to the chassis, of the shell in the circumferential direction, the sealing groove is used for being in clearance fit with the sealing ring, and a rubber sealing ring is further matched between the sealing groove and the sealing ring.

The invention has the following beneficial effects:

1. according to the invention, through the arrangement of the sleeve, the screw rod and the hexagonal block, when the hexagonal block type cable connector is used, a worker can rotate the hexagonal block through a tool, the sleeve can rotate freely under the driving action of the hexagonal block, the mutual movement between the sleeve and the screw rod can be realized due to the arrangement of the spiral occlusion between the first internal thread on the inner wall of the sleeve and the screw rod, the disassembly and the assembly between the chassis and the shell can be realized through the arrangement, the disassembly and the assembly are convenient, the connector of the chassis and the installation frame is moved out of the shell under the rotation action of the sleeve, the worker can perform wiring assembly outside the shell, the operation is convenient, and the hexagonal block type cable connector is not limited by a small area inside the shell.

2. According to the invention, through the arrangement of the wire inlet sleeve, the water stop ring and the water inlet hole, when the water-proof cable is used, after the cable passes through the wire inlet sleeve and is fixedly connected with the internal structure of the water-proof cable inlet sleeve, the wire inlet sleeve is spirally connected in the connecting sleeve to realize fixation, after the steps are completed, a worker adds water into the mounting groove through the water inlet hole, and through the characteristic that the water stop ring expands when encountering water, the water stop ring expands when encountering water to realize the sealing between the cable and the wire inlet sleeve, so that the water-proof cable inlet sleeve has a.

3. According to the invention, through the arrangement of the first mounting plate, the second mounting plate and the third mounting plate, when the device is used, the connection between the top of the device and an external component can be realized through the first mounting plate, the connection between the bottom of the device and the external component can be realized through the arrangement of the second mounting plate, and the connection between the side of the device and the external component can be realized through the arrangement of the third mounting plate.

4. According to the invention, through the arrangement of the shell and the corrugated arrangement on the side wall of the shell, the surface area of the side wall of the shell can be effectively increased, and the heat dissipation effect can be well improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a ground tank for power distribution network construction in the first embodiment;

FIG. 2 is a bottom view of FIG. 1;

fig. 3 is a schematic structural diagram of a grounding box for power distribution network construction in a wiring state according to the first embodiment;

FIG. 4 is an exploded view of FIG. 1;

FIG. 5 is a schematic view of the internal structure of the housing;

FIG. 6 is a schematic view of the overall construction of the mounting bracket and chassis interface;

FIG. 7 is a bottom view of FIG. 6;

FIG. 8 is an assembly view between the sleeve and the chassis;

FIG. 9 is a bottom view of FIG. 8;

fig. 10 is a schematic view of the overall structure of the conductive mechanism;

FIG. 11 is a schematic view of the overall construction of the connection mechanism;

FIG. 12 is a schematic diagram of a first conductive plate;

FIG. 13 is a schematic diagram of a second conductive plate;

figure 14 is a cross-sectional view of the gland;

FIG. 15 is an assembly view of the sealing sleeve and water stop ring;

FIG. 16 is a schematic structural view of the second embodiment;

FIG. 17 is a schematic structural view of the third embodiment;

fig. 18 is a schematic structural view of the third mounting plate of fig. 17.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 2. a chassis; 3. a first mounting plate; 4. a mounting frame; 5. a conductive mechanism; 6. a connecting mechanism; 7. a sleeve; 8. a first conductive plate; 9. a second conductive plate; 10. a third mounting plate; 101. a guide bar; 102. a screw rod; 103. a sealing groove; 104. a limiting disc; 201. sealing sleeves; 202. connecting sleeves; 203. a wire inlet sleeve; 204. a seal ring; 205. a rolling bearing; 206. a through hole; 207. a second mounting plate; 208. a second mounting hole; 301. fixing a column; 302. a first mounting hole; 401. a first insulating ring; 402. a second insulating ring; 403. a first connecting rod; 404. a second connecting rod; 501. a triangular conductive frame; 502. a protector; 503. a ground wire connector; 504. a first fixing lug; 505. a first fixing hole; 601. a triangular connecting frame; 602. an insulator; 603. a second fixing lug; 604. a second fixing hole; 701. a first internal thread; 702. a hexagonal block; 801. a first connecting plate; 802. a third fixing hole; 901. a wire connector; 902. a second connecting plate; 903. a fourth fixing hole; 1001. a third mounting hole; 1002. a first fixing plate; 1003. a second fixing plate; 1004. a fourth mounting hole; 1005. a fifth mounting hole; 2011. a first external thread; 2021. a water inlet sleeve; 2022. a water stop ring; 2023. a second external thread; 2024. a water inlet hole; 2025. mounting grooves; 2031. a third internal thread; 2061. a second internal thread; 4011. a guide strip; 4012. a guide hole; 4013. a first fixing bolt; 4021. and a second fixing bolt.

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.

In the description of the present invention, it is to be understood that the terms "open", "one side", "lower", "height", "in the annular direction", "concentrically arranged", "alternately connected", "inner", "peripheral side", "outer", and the like, indicate orientations or positional relationships and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.