CN215529769U

CN215529769U - Shielding cover for high-voltage power transmission

Info

Publication number: CN215529769U
Application number: CN202122286108.XU
Authority: CN
Inventors: 沈玉桂; 沈培军; 嵇康华; 张友国
Original assignee: Jiangsu Qianli Electric Co ltd
Current assignee: Jiangsu Qianli Electric Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-01-14
Anticipated expiration: 2031-09-22

Abstract

The utility model relates to the technical field of shielding cases, and discloses a shielding case for high-voltage power transmission, wherein the outer surface of the shielding case is provided with a mounting component, the mounting component comprises a fixing ring, the inner wall of the fixing ring is fixedly connected with a first trapezoidal block, the inside of the first trapezoidal block is provided with a sliding groove, two sides of the sliding groove are provided with limiting grooves, the inside of the sliding groove is slidably connected with a sliding block, two sides of the sliding block are fixedly connected with limiting blocks, the inside of the sliding block is movably provided with a threaded rod, the surface of the threaded rod is fixedly connected with a limiting ring, the mounting component can be used for mounting through the matching action of a positioning hollow block and a positioning block, so that the second trapezoidal block is conveniently attached to the first trapezoidal block, one end of the sliding block can be moved to the inside of the limiting groove through rotating the screw rod, the position between the lower shielding case and the middle shielding case can be fixed through the arrangement of a branching component, the electric wires can be distinguished and separated, and later-period worker maintenance is facilitated.

Description

Shielding cover for high-voltage power transmission

Technical Field

The utility model relates to the technical field of shielding cases, in particular to a shielding case for high-voltage power transmission.

Background

The high-voltage transmission is a mode of transmitting the voltage output by the generator after boosting the voltage by using a transformer for a power plant, and the transmission in the mode is because the higher the voltage is, the smaller the current is under the condition of transmitting power, so that the high-voltage transmission can reduce the current during power transmission, thereby reducing the heat loss caused by the current and the material cost of long-distance power transmission, and an important part for protecting high-voltage transmission equipment during shielding can play a role of shielding.

However, present shield cover is overall structure, and the volume is all great, and all comparatively inconvenient in the in-process of installation and transportation, when shield cover placed the outside at transmission of electricity equipment simultaneously, lead to the distribution confusion of electric wire easily, the later stage maintenance of not being convenient for. Accordingly, those skilled in the art have provided a shield for high voltage power transmission to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shielding cover for high-voltage power transmission, which can be installed in a segmented mode when the shielding cover is installed through arranging an installation assembly, so that the installation difficulty is reduced, and different electric wires can be distinguished and separated when the shielding cover is used through arranging a branching assembly, so that the later-stage maintenance of workers is facilitated.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a shield cover for high-tension transmission, including lower shield cover, shield cover in the top swing joint of shield cover has down, shield cover's top swing joint has last shield cover, the surface of well shield cover is provided with the installation component, the installation component includes solid fixed ring, gu fixed ring's inner wall rigid coupling has first trapezoidal piece, the sliding tray has been seted up to the inside of first trapezoidal piece, spacing recess has been seted up to the both sides of sliding tray, the inside sliding connection of sliding tray has the movable block, the equal rigid coupling in both sides of movable block has the stopper, the inside movable mounting of movable block has the threaded rod, the surperficial rigid coupling of threaded rod has the spacing ring, the one end laminating of first trapezoidal piece has second trapezoidal piece, the spacing groove has been seted up to the one end that second trapezoidal piece is close to first trapezoidal piece.

As a still further scheme of the utility model: one side of well shield cover is provided with the separated time subassembly, and the separated time subassembly includes the dead lever, and the slider has been cup jointed in the surface activity of dead lever, and one side rigid coupling of slider has the through wires hole, and the rotation groove has been seted up to the opposite side of slider, and the inside swing joint who rotates the groove has the screw rod, and the one end rigid coupling of screw rod has the arc.

As a still further scheme of the utility model: a positioning block is fixedly connected to one side of the middle shielding cover, a positioning hollow block is fixedly connected to the inner wall of the fixing ring, and the inner diameter of the positioning hollow block is the same as the width of the positioning block.

As a still further scheme of the utility model: and the top ends of the lower shielding cover and the middle shielding cover are fixedly connected with second trapezoidal blocks.

As a still further scheme of the utility model: the inner ring diameter of the fixing ring is the same as the inner diameters of the lower shield, the middle shield and the upper shield, and the fixing ring is fixedly connected to the top ends of the lower shield and the middle shield.

As a still further scheme of the utility model: the limiting block is located inside the limiting groove, and the width of the limiting groove is the same as that of the moving block.

As a still further scheme of the utility model: one side of the fixed rod is fixedly connected with one side of the middle shielding case.

As a still further scheme of the utility model: and threads matched with the surface of the screw rod are arranged in the rotating groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the mounting assembly, when the mounting assembly is mounted, the second trapezoidal block can be conveniently attached to the first trapezoidal block through the matching effect of the positioning hollow block and the positioning block, at the moment, one end of the sliding block can be moved to the inside of the limiting groove through rotating the screw rod, and at the moment, the position between the lower shielding cover and the middle shielding cover can be fixed;

2. through separated time subassembly, can place the wire of difference respectively in the inside of three through wires hole when using, the later stage workman's of being convenient for differentiation wire further is convenient for maintain, can also adjust the distance between the three through wires hole through rotating the screw rod simultaneously, further improves the convenience of using.

Drawings

Fig. 1 is a schematic structural view of a shield for high-voltage power transmission;

fig. 2 is a schematic view of an installation structure of a first trapezoid block in a shield for high-voltage power transmission;

fig. 3 is a schematic structural view of a shunt assembly in a shield case for high-voltage power transmission;

FIG. 4 is an enlarged view of area A of FIG. 2;

fig. 5 is an enlarged view of the region B in fig. 3.

In the figure: 1. a lower shield case; 2. a middle shield case; 3. an upper shield case; 4. mounting the component; 41. a first trapezoidal block; 42. a sliding groove; 43. a limiting groove; 44. a moving block; 45. a limiting block; 46. a threaded rod; 47. a limiting ring; 48. a second trapezoidal block; 49. a limiting groove; 410. a fixing ring; 5. a wire branching assembly; 51. fixing the rod; 52. a slider; 53. a rotating groove; 54. a screw; 55. an arc-shaped plate; 56. threading holes; 6. positioning the hollow block; 7. and (5) positioning the blocks.

Detailed Description

Example 1

As shown in fig. 1, 2 and 4, a shield for high voltage transmission includes a lower shield 1, a middle shield 2 is movably connected above the lower shield 1, a second trapezoidal block 48 is fixedly connected to the top ends of the lower shield 1 and the middle shield 2, an upper shield 3 is movably connected above the middle shield 2, a mounting assembly 4 is arranged on the outer surface of the middle shield 2, the mounting assembly 4 includes a fixing ring 410, the diameter of the inner ring of the fixing ring 410 is the same as the inner diameter of the lower shield 1, the middle shield 2 and the upper shield 3, the top ends of the lower shield 1 and the middle shield 2 are fixedly connected with the fixing ring 410, the inner wall of the fixing ring 410 is fixedly connected with a first trapezoidal block 41, a sliding groove 42 is arranged inside the first trapezoidal block 41, limiting grooves 43 are arranged on both sides of the sliding groove 42, a moving block 44 is slidably connected inside the sliding groove 42, and limiting blocks 45 are fixedly connected to both sides of the moving block 44, a threaded rod 46 is movably mounted inside the moving block 44, a limiting ring 47 is fixedly connected to the surface of the threaded rod 46, a second trapezoidal block 48 is attached to one end of the first trapezoidal block 41, a limiting groove 49 is formed in one end, close to the first trapezoidal block 41, of the second trapezoidal block 48, the limiting block 45 is located inside the limiting groove 43, the width of the limiting groove 49 is the same as that of the moving block 44, a positioning block 7 is fixedly connected to one side of the middle shielding case 2, a positioning hollow block 6 is fixedly connected to the inner wall of the fixing ring 410, the inner diameter of the positioning hollow block 6 is the same as that of the positioning block 7, when the shielding case is used, the lower shielding case 1 is firstly sleeved at the outer end of the power transmission equipment, then the middle shielding case 2 is placed at the top end of the lower shielding case 1, meanwhile, the positioning block 7 fixedly connected to the outer portion of the middle shielding case 2 is located inside the positioning hollow block 6, at this time, one end of the first trapezoidal block 41 is just attached to one end of the second trapezoidal block 48, at this time, the threaded rod 46 can be rotated, when the threaded rod 46 is rotated, the moving block 44 is driven to move towards one side close to the second trapezoidal block 48, when one end of the moving block 44 is located inside the limiting groove 49, the position between the first trapezoidal block 41 and the second trapezoidal block 48 can be fixed, the position between the lower shielding case 1 and the middle shielding case 2 can be further fixed, then the upper shielding case 3 can be placed above the middle shielding case 2, then the steps are repeated, and at this time, the position between the lower shielding case 1, the middle shielding case 2 and the upper shielding case 3 can be fixed.

As shown in fig. 1, 3 and 5, a wire distributing component 5 is arranged on one side of a middle shielding case 2, the wire distributing component 5 includes a fixed rod 51, one side of the fixed rod 51 is fixedly connected with one side of the middle shielding case 2, a sliding block 52 is movably sleeved on the surface of the fixed rod 51, a wire threading hole 56 is fixedly connected with one side of the sliding block 52, a rotating groove 53 is formed in the other side of the sliding block 52, a screw 54 is movably connected with the inside of the rotating groove 53, a thread matched with the surface of the screw 54 is arranged inside the rotating groove 53, an arc-shaped plate 55 is fixedly connected with one end of the screw 54, different power transmission lines can be distinguished through different wire threading holes 56 during use, thus, later workers can conveniently distinguish electric wires with different functions when maintaining the power transmission equipment, meanwhile, the arc-shaped plate 55 is far away from the fixed rod 51 by rotating the screw 54, at this time, the position of the sliding block 52 can be easily moved up and down, and then the screw 54 is rotated again to make one side of the arc-shaped plate 55 fit with the fixed rod 51, the position of the sliding block 52 can be fixed again, so that the positions among the three threading holes 56 can be adjusted according to requirements when the wire threading device is used, and the wire threading device is more convenient to use.

The working principle of the utility model is as follows: when the shielding device is used, firstly, the lower shielding case 1 is sleeved at the outer end of power transmission equipment, then the middle shielding case 2 is placed at the top end of the lower shielding case 1, meanwhile, the positioning block 7 fixedly connected with the outer part of the middle shielding case 2 is positioned inside the positioning hollow block 6, at this time, one end of the first trapezoidal block 41 is just attached to one end of the second trapezoidal block 48, at this time, the threaded rod 46 can be rotated, when the threaded rod 46 is rotated, the moving block 44 can be driven to move towards one side close to the second trapezoidal block 48, when one end of the moving block 44 is positioned inside the limiting groove 49, at this time, the position between the first trapezoidal block 41 and the second trapezoidal block 48 can be fixed, further, the position between the lower shielding case 1 and the middle shielding case 2 can be fixed, then, the upper shielding case 3 can be placed above the middle shielding case 2, then, the steps are repeated, at this time, the positions between the lower shielding case 1, the middle shielding case 2 and the upper shielding case 3 can be fixed, then can be different power transmission lines, distinguish through different through wires hole 56, the later stage workman of can being convenient for like this when maintenance transmission equipment, be convenient for distinguish the electric wire of different functions, make arc 55 keep away from dead lever 51 through rotating screw 54 simultaneously, at this moment can be relaxed reciprocate the position of slider 52, rotate screw 54 once more afterwards and make one side of arc 55 laminate with dead lever 51 mutually, can fix the position of slider 52 once more, like this can be when using, adjust the position between three through wires hole 56 as required, convenient to use more.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The shielding cover for high-voltage power transmission comprises a lower shielding cover (1) and is characterized in that a middle shielding cover (2) is movably connected to the upper portion of the lower shielding cover (1), an upper shielding cover (3) is movably connected to the upper portion of the middle shielding cover (2), a mounting assembly (4) is arranged on the outer surface of the middle shielding cover (2), the mounting assembly (4) comprises a fixing ring (410), a first trapezoidal block (41) is fixedly connected to the inner wall of the fixing ring (410), a sliding groove (42) is formed in the first trapezoidal block (41), limiting grooves (43) are formed in two sides of the sliding groove (42), a moving block (44) is slidably connected to the inner portion of the sliding groove (42), limiting blocks (45) are fixedly connected to two sides of the moving block (44), a threaded rod (46) is movably mounted in the inner portion of the moving block (44), and a limiting ring (47) is fixedly connected to the surface of the threaded rod (46), one end of the first trapezoid block (41) is attached with a second trapezoid block (48), and one end, close to the first trapezoid block (41), of the second trapezoid block (48) is provided with a limiting groove (49).

2. The shielding case for high-voltage power transmission according to claim 1, wherein a wire dividing assembly (5) is arranged on one side of the middle shielding case (2), the wire dividing assembly (5) comprises a fixed rod (51), a sliding block (52) is movably sleeved on the surface of the fixed rod (51), a wire threading hole (56) is fixedly connected to one side of the sliding block (52), a rotating groove (53) is formed in the other side of the sliding block (52), a screw rod (54) is movably connected to the inside of the rotating groove (53), and an arc-shaped plate (55) is fixedly connected to one end of the screw rod (54).

3. The shield cover for high-voltage power transmission according to claim 1, wherein a positioning block (7) is fixedly connected to one side of the middle shield cover (2), a positioning hollow block (6) is fixedly connected to the inner wall of the fixing ring (410), and the inner diameter of the positioning hollow block (6) is the same as the width of the positioning block (7).

4. The shielding cage for high-voltage power transmission according to claim 1, wherein a second trapezoidal block (48) is fixedly connected to the top ends of the lower shielding cage (1) and the middle shielding cage (2).

5. The shield for high-voltage power transmission according to claim 1, wherein the diameter of the inner ring of the fixing ring (410) is the same as the inner diameters of the lower shield (1), the middle shield (2) and the upper shield (3), and the fixing ring (410) is fixedly connected to the top ends of the lower shield (1) and the middle shield (2).

6. The shield for high-voltage power transmission according to claim 1, wherein the limit block (45) is located inside the limit groove (43), and the width of the limit groove (49) is the same as that of the moving block (44).

7. A shield for high voltage power transmission according to claim 2, characterized in that one side of the fixing rod (51) is fixed to one side of the middle shield (2).

8. A shield for high voltage power transmission according to claim 2, characterized in that the inside of the turning groove (53) is provided with a thread matching the surface of the screw (54).