Line protection device for electric power design

Abstract

The utility model discloses a line protection device for electric power design, which relates to the technical field of electric power equipment, and comprises a protection box and an isolation assembly positioned at the bottom end in the protection box, and further comprises a transfer closing unit arranged on the outer side of the protection box and a positioning separation unit positioned above the isolation assembly, the adjusting and sealing unit comprises a rectangular stand column, a first lead screw, a rectangular supporting block, a supporting sleeve, a supporting block and a sealing cover. The positioning and separating unit comprises a supporting column, a lower arc plate, a strip-shaped box, a second lead screw, a guide block, a supporting transverse plate and an upper arc plate. According to the utility model, the first screw rod is controlled to rotate positively and negatively, the rectangular supporting block in threaded connection with the first screw rod is stressed to drive the supporting sleeve to lift on the rectangular stand column to adjust the exposed area, and the supporting block at the top end of the supporting sleeve can help the sealing cover to lift to adjust the distance between the sealing cover and the protection box so as to realize sealing and opening operations; and the top opening of the equipment is good in sealing property and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a line protection device for electric power design. Background Art

[0002] Cables are mainly used for multiple functions such as control installation, equipment connection, and power transmission. They are common and indispensable in power equipment. Most of the existing line protection devices only install the cables in the junction box. Long-term use of cables is prone to clutter and it is not easy to find damaged cables during maintenance, which increases the difficulty of maintenance for maintenance workers.

[0003] The publication (announcement) number is CN219458582U, which discloses a line protection device for electric power design, which relates to the electric power field, including a device body and a placement component, wherein protective tubes are arranged at both ends of the device body, and the placement component for protecting the line is arranged inside the device body, and the placement component includes an arc groove, a groove and a cable, and grooves are arranged at both ends of the arc groove, and a cable is arranged in the middle of the arc groove, and a first connection block is arranged on the inner wall of the device body, and the first connection block is arranged in four groups, and a support column is arranged at the lower end of the arc groove. This line protection device for electric power design can protect the internal line by using the device body and the box cover, and the placement component and the fixing component can firmly fix the cable to avoid damage to the cable, and the setting of the filter can prevent small animals from biting the cable, which has a good protection effect on the device and can effectively extend the service life of the device.

[0004] Although the above scheme provides positioning and separation protection for the cables, the device body needs to be closed with hinges and multiple locks in order to cooperate with the box cover. The top of the device is prone to water seepage and the closing operation is troublesome. The cable positioning and separation requires multi-point bolt fixing, and the cable positioning and separation of the device is laborious and inefficient. For this reason, we propose a line protection device for power design. Utility Model Content

[0005] The main purpose of the utility model is to provide a line protection device for electric power design, which solves the problem that the top of the equipment is prone to water seepage and the sealing operation is troublesome by setting a movable sealing unit.

[0006] To solve the above technical problems, the utility model is implemented by the following technical solutions: a line protection device for electric power design, comprising a protection box and an isolation assembly located at the bottom end of the protection box, and further comprising: a mobilization and sealing unit arranged outside the protection box and a positioning and separation unit located above the isolation assembly;

[0007] The mobilization and closing unit comprises a rectangular column, a first screw rod, a rectangular support block, a support sleeve, a support block and a closed cover, wherein two rectangular columns are provided and are symmetrically fixedly arranged on the outer walls of the opposite sides of the protection box, and the interior of the rectangular columns is hollow, the first screw rod is movably arranged on the inner wall of one of the rectangular columns, and two rectangular support blocks are provided, wherein the rectangular support block is threadedly connected to the first screw rod, one end of the support sleeve is connected to the top surface of the rectangular support block, the support block is fixedly arranged at the other end of the support sleeve that is movably extended to the outside of the rectangular column, the closed cover is fixedly arranged on the end surface of the support block and is located directly above the protection box, and the first turntable is fixedly arranged on one end of the first screw rod that is movably extended to the outside of the rectangular column;

[0008] The positioning and separation unit includes a support column, a lower arc plate, a strip box, a second screw rod, a guide block, a support cross plate and an upper arc plate. The support column is fixedly arranged at the top of the isolation component, and several of the lower arc plates are fixedly arranged at the top of the support column and are arranged at equal distances. There are two strip boxes in total and they are symmetrically fixedly arranged on the inner sides of the top of the protection box facing each other, and a strip limiting groove is provided on the side surface of the strip box facing the vertical center axis of the protection box. The second screw rod is movably arranged on the inner wall of one of the strip boxes. There are two guide blocks in total, one of which is threadedly connected to the second screw rod, and the support cross plate is fixedly arranged between the two guide blocks. Several of the upper arc plates are fixedly arranged on the top surface of the support cross plate at equal distances and are located directly above several of the lower arc plates. The second screw rod movably extends to the end of the strip box to which a second turntable is fixedly arranged.

[0009] Preferably, the movable closing unit further comprises a first guide rod, which is fixedly arranged on the inner wall of another rectangular column and movably passes through another rectangular support block, and the support sleeve and the support block are arranged in a one-to-one correspondence with the rectangular support block.

[0010] Preferably, the positioning and separating unit further comprises a second guide rod, which is fixedly arranged on the inner wall of another strip box and movably passes through another guide block.

[0011] Preferably, the isolation assembly also includes a filter screen and a protective screen. The filter screen is fixedly arranged on the inner wall of the bottom end of the protection box, the protective screen is fixedly installed on the top surface of the filter screen and is located at the bottom end of the support column, and heat dissipation holes are opened on the side of the protective screen. The bottom surface of the protection box is provided with a number of drainage gaps at equal intervals.

[0012] Preferably, a group of outlet pipes are fixedly provided on the outer walls on both sides facing each other, and the positions and sizes of the outlet pipes match the positions and sizes of the lower arc plates.

[0013] Preferably, supporting feet are fixedly provided at the corners of the bottom surface of the protection box.

[0014] Compared with the prior art, the utility model of a line protection device for electric power design has the following beneficial effects:

[0015] 1. In the utility model, by setting up a movable closing unit, before the cable passes through the outlet pipe and is assembled to the positioning and separating unit, the first screw rod can be controlled to rotate forward and reverse on the rectangular column by holding the first turntable, and one of the rectangular support blocks threadedly connected to the first screw rod can be subjected to force to drive the supporting sleeve to rise and fall on the rectangular column to adjust the exposed area, and the support block arranged at the top of the supporting sleeve can help the closing cover to rise and fall and adjust the distance with the protective box to realize the closing and opening operation, and the other rectangular support block can slide and rise on the first guide rod to cooperate with the support sleeve and the closing cover to mobilize and provide auxiliary support and guidance for them, so that the top opening of the equipment has good sealing performance and is easy to operate.

[0016] 2. In the utility model, by setting a positioning and separating unit, each cable is separately placed one by one on each lower arc plate at the top of the supporting column, and the second screw rod can be controlled to rotate forward and backward on the strip box by holding the second turntable. One of the guide blocks threadedly connected to the second screw rod can drive the supporting cross plate to adjust the spacing at the top of the inner top of the protection box under the force of the strip limit groove, and the other guide block can slide and rise on the second guide rod to cooperate with the support cross plate to mobilize and provide auxiliary support for it. After all the upper arc plates are synchronously descended with the supporting cross plates, they can approach the lower arc plates one by one to completely separate and position the cables. The reverse operation can move the upper arc plates up, and the cables can be inspected and repaired. The equipment is labor-saving and efficient in positioning and separating the cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of a line protection device for electric power design according to the utility model;

[0019] Figure 2 This is a schematic diagram of the top view of a line protection device for electric power design according to the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle;

[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at the middle BB;

[0022] Figure 5 The utility model is a front view structural schematic diagram of a line protection device for electric power design.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Protective box;

[0025] 2. Move the closed unit; 201. Rectangular column; 202. First screw rod; 203. Rectangular support block; 204. Support sleeve; 205. Support block; 206. Closed cover; 207. First guide rod;

[0026] 3. Positioning and separation unit; 301. Support column; 302. Lower arc plate; 303. Strip box; 304. Second screw rod; 305. Guide block; 306. Support horizontal plate; 307. Upper arc plate; 308. Second guide rod;

[0027] 4. Isolation assembly; 401. Filter screen; 402. Protective screen; 403. Drainage gap;

[0028] 5. Outlet pipe;

[0029] 6. Support legs. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0033] like Figure 1 , Figure 3 , Figure 4 as well as Figure 5 As shown, a line protection device for electric power design includes a protection box 1 and an isolation assembly 4 located at the bottom end of the protection box 1, and also includes: a mobilization and sealing unit 2 arranged outside the protection box 1 and a positioning and separation unit 3 located above the isolation assembly 4;

[0034] The mobilization and closing unit 2 includes a rectangular column 201, a first screw rod 202, a rectangular support block 203, a support sleeve 204, a support block 205 and a closed cover 206. There are two rectangular columns 201 in total and they are symmetrically fixedly arranged on the outer walls of the protection box 1 on both sides, and the interior of the rectangular column 201 is hollow. The first screw rod 202 is movably arranged on the inner wall of one of the rectangular columns 201. There are two rectangular support blocks 203 in total, wherein the rectangular support block 203 is threadedly connected to the first screw rod 202, one end of the support sleeve 204 is connected to the top surface of the rectangular support block 203, the support block 205 is fixedly arranged at the other end of the support sleeve 204 that movably extends to the outside of the rectangular column 201, and the closed cover 206 is fixedly arranged on the end surface of the support block 205 and is located directly above the protection box 1;

[0035] The positioning and separation unit 3 includes a support column 301, a lower arc plate 302, a strip box 303, a second screw rod 304, a guide block 305, a support cross plate 306 and an upper arc plate 307. The support column 301 is fixedly arranged at the top of the isolation component 4, and a plurality of lower arc plates 302 are fixedly arranged at the top of the support column 301 and are arranged at equal intervals. There are two strip boxes 303 in total and they are symmetrically fixedly arranged on the inner sides of the top of the protection box 1 facing each other, and a strip limiting groove is provided on the side surface of the strip box 303 facing the vertical center axis of the protection box 1. The second screw rod 304 is movably arranged on the inner wall of one of the strip boxes 303. There are two guide blocks 305 in total, one of which is threadedly connected to the second screw rod 304. The support cross plate 306 is fixedly arranged between the two guide blocks 305, and a plurality of upper arc plates 307 are fixedly arranged on the top surface of the support cross plate 306 at equal intervals and are located directly above the plurality of lower arc plates 302.

[0036] Furthermore, the maneuvering and closing unit 2 also includes a first guide rod 207, which is fixedly arranged on the inner wall of another rectangular column 201 and movably passes through another rectangular support block 203, and the support sleeve 204 and the support block 205 are arranged in a one-to-one correspondence with the rectangular support block 203.

[0037] Furthermore, a group of outlet pipes 5 are fixedly provided on the outer walls on both sides facing each other of the protection box 1 , and the positions and sizes of the outlet pipes 5 match the positions and sizes of the lower arc plate 302 .

[0038] Furthermore, supporting feet 6 are fixedly provided at the corners of the bottom surface of the protection box 1 .

[0039] By adjusting the sealing unit 2, the top opening of the device can be well sealed and easy to operate. Example

[0040] like Figure 3 as well as Figure 4 As shown, a line protection device for electric power design includes a protection box 1 and an isolation assembly 4 located at the bottom end of the protection box 1, and also includes: a mobilization and sealing unit 2 arranged outside the protection box 1 and a positioning and separation unit 3 located above the isolation assembly 4;

[0041] The mobilization and closing unit 2 includes a rectangular column 201, a first screw rod 202, a rectangular support block 203, a support sleeve 204, a support block 205 and a closed cover 206. There are two rectangular columns 201 in total and they are symmetrically fixedly arranged on the outer walls of the protection box 1 on both sides, and the interior of the rectangular column 201 is hollow. The first screw rod 202 is movably arranged on the inner wall of one of the rectangular columns 201. There are two rectangular support blocks 203 in total, wherein the rectangular support block 203 is threadedly connected to the first screw rod 202, one end of the support sleeve 204 is connected to the top surface of the rectangular support block 203, the support block 205 is fixedly arranged at the other end of the support sleeve 204 that movably extends to the outside of the rectangular column 201, and the closed cover 206 is fixedly arranged on the end surface of the support block 205 and is located directly above the protection box 1;

[0042] The positioning and separation unit 3 includes a support column 301, a lower arc plate 302, a strip box 303, a second screw rod 304, a guide block 305, a support cross plate 306 and an upper arc plate 307. The support column 301 is fixedly arranged at the top of the isolation component 4, and a plurality of lower arc plates 302 are fixedly arranged at the top of the support column 301 and are arranged at equal intervals. There are two strip boxes 303 in total and they are symmetrically fixedly arranged on the inner sides of the top of the protection box 1 facing each other, and a strip limiting groove is provided on the side surface of the strip box 303 facing the vertical center axis of the protection box 1. The second screw rod 304 is movably arranged on the inner wall of one of the strip boxes 303. There are two guide blocks 305 in total, one of which is threadedly connected to the second screw rod 304. The support cross plate 306 is fixedly arranged between the two guide blocks 305, and a plurality of upper arc plates 307 are fixedly arranged on the top surface of the support cross plate 306 at equal intervals and are located directly above the plurality of lower arc plates 302.

[0043] Furthermore, the positioning and separation unit 3 further includes a second guide rod 308 , which is fixedly disposed on the inner wall of another strip box 303 and movably passes through another guide block 305 .

[0044] Furthermore, the isolation assembly 4 also includes a filter screen 401 and a protective screen 402. The filter screen 401 is fixedly arranged on the inner wall at the bottom end of the protection box 1, and the protective screen 402 is fixedly installed on the top surface of the filter screen 401 and is located at the bottom end of the support column 301. Heat dissipation holes are opened on the side of the protective screen 402, and a plurality of drainage gaps 403 are opened at equal intervals on the bottom surface of the protection box 1.

[0045] The positioning and separation unit 3 enables the equipment to position and separate cables in a labor-saving and efficient manner.

[0046] The following is the working principle of the utility model:

[0047] Each cable is placed separately on each lower arc plate 302 at the top of the support column 301. The second turntable is controlled to control the second screw rod 304 to rotate forward and backward on the strip box 303. One of the guide blocks 305 threadedly connected to the second screw rod 304 drives the support cross plate 306 to adjust the spacing at the top of the protection box 1 under the force of the strip limit groove. The other guide block 305 slides up and down on the second guide rod 308 to cooperate with the support cross plate 306 to adjust. All upper arc plates 307 are synchronously lowered with the support cross plate 306 and approach the lower arc plates 302 one by one to completely separate and position the cables. The reverse operation is then performed. Move the upper arc plate 307 upwards and the cables can be inspected. Hold the first turntable to control the first screw rod 202 to rotate forward and backward on the rectangular column 201. One of the rectangular support blocks 203 threadedly connected to the first screw rod 202 drives the support sleeve 204 to rise and fall on the rectangular column 201 to adjust the exposed area. The support block 205 set on the top of the support sleeve 204 helps the closed cover 206 to rise and fall to adjust the distance with the protection box 1 to realize the closing and opening operation. The other rectangular support block 203 slides and rises on the first guide rod 207 to cooperate with the support sleeve 204 and the closed cover 206 to move.

[0048] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A line protection device for electric power design, comprising a protection box (1) and an isolation assembly (4) located at the bottom end of the protection box (1), characterized in that: Also includes: A maneuvering and sealing unit (2) arranged outside the protection box (1) and a positioning and separating unit (3) located above the isolation component (4); The mobilizing and closing unit (2) comprises a rectangular column (201), a first screw rod (202), a rectangular support block (203), a support sleeve (204), a support block (205) and a closed cover (206); the rectangular columns (201) are provided with two in total and are symmetrically fixedly arranged on the outer walls of the protection box (1) on both sides opposite to each other, and the interior of the rectangular columns (201) is hollow; the first screw rod (202) is movably arranged on the inner wall of one of the rectangular columns (201); the rectangular support blocks (203) are provided with two in total, wherein the rectangular support block (203) is threadedly connected to the first screw rod (202); one end of the support sleeve (204) is connected to the top surface of the rectangular support block (203); the support block (205) is fixedly arranged on the other end of the support sleeve (204) movably extending to the outside of the rectangular column (201); and the closed cover (206) is fixedly arranged on the end surface of the support block (205) and is located directly above the protection box (1); The positioning and separation unit (3) comprises a support column (301), a lower arc plate (302), a strip box (303), a second screw rod (304), a guide block (305), a support cross plate (306) and an upper arc plate (307), wherein the support column (301) is fixedly arranged at the top of the isolation component (4), a plurality of the lower arc plates (302) are fixedly arranged at the top of the support column (301) and are arranged at equal intervals, and a total of two strip boxes (303) are symmetrically fixedly arranged on the inner sides of the top of the protection box (1) facing each other, and the strip boxes (303) are arranged at the top of the protection box (1). A strip-shaped limit groove is provided on a side surface of the protective box (303) facing the vertical center axis of the protective box (1); the second screw rod (304) is movably arranged on the inner wall of one of the strip boxes (303); two guide blocks (305) are provided, one of which is threadedly connected to the second screw rod (304); the supporting cross plate (306) is fixedly arranged between the two guide blocks (305); and a plurality of upper arc plates (307) are fixedly arranged at equal intervals on the top surface of the supporting cross plate (306) and are located directly above the plurality of lower arc plates (302).

2. A line protection device for electric power design according to claim 1, characterized in that: The movable closed unit (2) further comprises a first guide rod (207), the first guide rod (207) being fixedly arranged on the inner wall of another rectangular column (201) and movably passing through another rectangular support block (203), and the support sleeve (204) and the support block (205) being arranged in a one-to-one correspondence with the rectangular support block (203).

3. A line protection device for electric power design according to claim 2, characterized in that: The positioning and separation unit (3) further comprises a second guide rod (308), the second guide rod (308) being fixedly arranged on the inner wall of another strip box (303) and movably passing through another guide block (305).

4. A line protection device for electric power design according to claim 1, characterized in that: The isolation assembly (4) further comprises a filter screen (401) and a protective screen (402); the filter screen (401) is fixedly arranged on the inner wall at the bottom end of the protection box (1); the protective screen (402) is fixedly installed on the top surface of the filter screen (401) and is located at the bottom end of the support column (301); a heat dissipation hole is provided on the side of the protective screen (402); and a plurality of drainage notches (403) are provided at equal intervals on the bottom surface of the protection box (1).

5. A line protection device for electric power design according to claim 1, characterized in that: The protection box (1) is also provided with a group of outlet pipes (5) fixedly disposed on two opposing outer walls, respectively, and the position and size of the outlet pipes (5) match the position and size of the lower arc plate (302).

6. A line protection device for electric power design according to claim 1, characterized in that: Support feet (6) are fixedly provided at the corners of the bottom surface of the protection box (1).

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