CN111785577A

CN111785577A - Assembly fixing device of circuit breaker on post

Info

Publication number: CN111785577A
Application number: CN202010829065.2A
Authority: CN
Inventors: 王晓
Original assignee: Zhejiang Shuntang Electric Power Technology Co ltd
Current assignee: Zhejiang Shuntang Electric Power Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-16

Abstract

The invention discloses an assembly fixing device of a pole-mounted circuit breaker, which comprises an installation seat, wherein the installation seat is in a transverse concave shape, two sliding seats distributed at intervals are movably installed on the inner side of the installation seat, one side of each sliding seat is provided with a first assembly block through a connecting rod, one side of each first assembly block is connected with a second assembly block through a bolt, the first assembly block is matched with the second assembly block to be installed and connected with an electric pole, and an anti-skidding structure is installed on the second assembly block. The anti-slip structure enables the limiting roller to be firmly connected with the electric pole under the action of the limiting spring and the clamping bolt; when the first assembling block and the second assembling block are loosened from the electric pole, the assembling and fixing device of the pole-mounted circuit breaker can be prevented from continuously sliding downwards; the limiting roller and the anti-skid rod are provided with the protective layers, so that the anti-skid capacity is further improved; the adjusting screw rod is arranged and connected with the sliding seat, so that the installation distance of the assembling blocks can be adjusted conveniently according to the circuit breakers of different specifications, and the operation is convenient.

Description

Assembly fixing device of circuit breaker on post

Technical Field

The invention relates to the field of circuit breaker equipment, in particular to an assembling and fixing device of a pole-mounted circuit breaker.

Background

The pole-mounted circuit breaker is a circuit breaker installed and operated on an electric pole, along with rapid development of economy and continuous increase of power supply amount in China, particularly, the dependence of various customers on electric power is increasingly strengthened, and in order to improve the power supply reliability of a power grid, the pole-mounted circuit breaker is often used for connecting, segmenting and branch lines in the power grid so as to improve the power supply reliability of the power grid; when the conventional assembly fixing device of the pole-mounted circuit breaker is connected with an electric pole, the fixing device slides off the electric pole after long-term connection due to lack of necessary maintenance, so that the circuit breaker cannot normally work; therefore, there is a need for improvements in the prior art.

Disclosure of Invention

The present invention is directed to a mounting and fixing device for a pole-mounted circuit breaker, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the assembly fixing device of the pole-mounted circuit breaker comprises a mounting seat, wherein the mounting seat is in a transverse concave shape, two sliding seats distributed at intervals are movably mounted on the inner side of the mounting seat, one side of each sliding seat is provided with a first assembly block through a connecting rod, one side of each first assembly block is connected with a second assembly block through a bolt, the first assembly block is matched with the second assembly block to be mounted and connected with an electric pole, and an anti-skidding structure is mounted on the second assembly block; as a further scheme of the invention: the anti-slip structure comprises a clamping bolt, a fixed seat, an assembling shaft, limiting rollers, a linkage wheel, an anti-slip layer and an anti-slip rod, wherein the clamping bolt is installed on a second assembling block, one end of the clamping bolt extends to the inner side of the second assembling block and is rotatably installed with the fixed seat, a limiting spring is arranged between the clamping bolt and the fixed seat, the fixed seat is driven by the limiting spring to be in contact with an electric pole under a non-external force condition, the fixed seat is in a transversely placed concave shape, the limiting rollers are installed on the inner side of the fixed seat through the assembling shaft, the linkage wheel is installed on the assembling shaft and is positioned on two sides of the limiting rollers, the lower end of the linkage wheel is connected with the anti-slip rod which is; one side fixedly connected with base that the mount pad deviates from the slide, laid the clamping structure on the base.

As a further scheme of the invention: the inner side of the mounting seat is provided with a vertical adjusting screw rod and an assembling rod which are distributed at intervals; install the slide between accommodate the lead screw and the assembly pole, the quantity of slide is two and interval distribution, two the slide with accommodate the lead screw reverse drive cooperation and with assembly pole sliding connection.

As a further scheme of the invention: one end of the adjusting screw rod extends to the lower part of the mounting seat and is provided with a hexagonal operating head.

As a further scheme of the invention: the clamping structure comprises an assembly seat, the assembly seat is fixedly arranged at the upper end of the base, a non-through assembly groove is formed in the assembly seat, a sliding groove communicated with the assembly groove is formed in one side of the assembly groove, and a limiting plate is arranged in the sliding groove in a sliding mode; the assembling seat is characterized in that a horizontal operating screw and a transmission rod are arranged on the inner side of the assembling seat, the operating screw and the transmission rod are distributed at intervals, one end of the operating screw extends to the outer side of the assembling seat, sliding plates are arranged on the operating screw and the transmission rod, the number of the sliding plates is two, the sliding plates are distributed at intervals, the sliding plates are in transmission fit with the operating screw and are in sliding connection with the transmission rod, a limiting rod is movably arranged on each sliding plate, rollers are arranged at two ends of each limiting rod, two inclined platforms are arranged on the inner side of the assembling seat at intervals, and the rollers at two ends of; and a return spring is connected between the limiting plate and the assembling seat, and under the non-external force condition, the return spring drives the limiting plate to contract towards the inner side of the assembling seat.

As a further scheme of the invention: the cross section of the sloping platform is a right-angled triangle.

As a further scheme of the invention: and a rib plate is connected between the lower end of the base and the mounting seat.

As a further scheme of the invention: and the contact end surface of the limiting plate and the roller is provided with a non-through guide groove, and the guide groove is matched with the roller.

Compared with the prior art, the invention has the beneficial effects that: the assembly fixing device of the pole-mounted circuit breaker is convenient for the limit roller to be firmly connected with the electric pole under the action of the limit spring and the clamping bolt by installing the anti-skidding structure on the assembly block II; when the first assembling block and the second assembling block are loosened from the electric pole, the limiting spring drives the limiting roller to be in contact with the electric pole, and when the limiting roller rolls along the surface of the electric pole, the limiting roller drives the linkage wheel to rotate through the assembling shaft, so that the anti-skid rod is turned over and attached to the surface of the electric pole, and the assembly fixing device of the on-pole circuit breaker is prevented from continuously sliding downwards; the limiting roller and the anti-skid rod are provided with the protective layers, so that the anti-skid capacity is further improved; the adjusting screw rod is arranged and connected with the sliding seat, so that the mounting distance of the assembling blocks can be adjusted conveniently according to circuit breakers of different specifications; in addition, the clamping fixation of the circuit breaker can be realized by rotating the operation screw rod, and the operation is convenient.

Drawings

Fig. 1 is a schematic structural view of an assembly fixture of a pole top circuit breaker.

Fig. 2 is a side view of the mounting fixture of the pole top circuit breaker.

Fig. 3 is a schematic structural view of a mounting seat in a mounting fixture of a pole top circuit breaker.

Fig. 4 is a schematic view of a connection structure of a first assembling block and a second assembling block in the assembling and fixing device of the pole-mounted circuit breaker.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic diagram of the arrangement of the anti-slip rods on the linkage wheels in the assembly fixing device of the pole-mounted circuit breaker.

In the figure: 1-mounting seat, 2-adjusting screw rod, 3-assembling rod, 4-sliding seat, 5-connecting rod, 6-assembling block I, 7-assembling block II, 8-clamping bolt, 9-base, 10-assembling seat, 11-rib plate, 12-fixing seat, 13-assembling shaft, 14-limiting roller, 15-linkage wheel, 16-anti-slip layer, 17-anti-slip rod, 18-assembling groove, 19-limiting plate, 20-operating screw rod, 21-sliding plate, 22-limiting rod, 23-roller and 24-ramp.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-6, an assembly fixing device for a pole-mounted circuit breaker comprises an installation base 1, wherein the installation base 1 is in a transverse concave shape, two sliding bases 4 distributed at intervals are movably installed on the inner side of the installation base 1, an assembly block I6 is installed on one side of each sliding base 4 through a connecting rod 5, an assembly block II 7 is connected to one side of each assembly block I6 through a bolt, the assembly block I6 is matched with the assembly block II 7 to be installed and connected with an electric pole, and an anti-skid structure is installed on the assembly block II 7; the anti-skid structure comprises a clamping bolt 8, a fixed seat 12, an assembling shaft 13, a limiting roller 14, a linkage wheel 15, an anti-skid layer 16 and an anti-skid rod 17, wherein the clamping bolt 8 is installed on an assembling block II 7, one end of the clamping bolt 8 extends to the inner side of the assembling block II 7 and is rotatably installed with the fixed seat 12, a limiting spring is arranged between the clamping bolt 8 and the fixed seat 12, the limiting spring drives the fixed seat 12 to be in contact with an electric pole under the non-external force condition, the fixed seat 12 is in a transverse concave shape, the limiting roller 14 is installed on the inner side of the fixed seat 12 through the assembling shaft 13, the linkage wheel 15 is installed on the assembling shaft 13, the linkage wheel 15 is located on two sides of the limiting roller 14, the lower end of the linkage wheel 15 is connected with the bent anti-skid rod 17, and the anti-skid layer 16 is uniformly distributed on the end; one side fixedly connected with base 9 that mount pad 1 deviates from slide 4, laid the clamping structure on base 9. When the first assembling block 6 and the second assembling block 7 are loosened from the electric pole, the limiting spring drives the limiting roller 14 to contact with the electric pole, and when the limiting roller 14 rolls along the surface of the electric pole, the limiting roller 14 drives the linkage wheel 15 to rotate through the assembling shaft 13, so that the antiskid rod 17 is overturned and attached to the surface of the electric pole to prevent the assembly fixing device of the pole-mounted circuit breaker from continuously sliding downwards.

Furthermore, the inner side of the mounting seat 1 is provided with a vertical adjusting screw rod 2 and an assembling rod 3, and the adjusting screw rod 2 and the assembling rod 3 are distributed at intervals; install slide 4 between accommodate the lead screw 2 and the assembly pole 3, the quantity of slide 4 is two and interval distribution, two slide 4 and accommodate the lead screw 2 reverse drive cooperation and with assembly pole 3 sliding connection.

Furthermore, one end of the adjusting screw rod 2 extends to the lower part of the mounting seat 1 and is provided with a hexagonal operating head, so that a standard hexagonal wrench can be adopted to rotate the clamping bolt 8.

Further, the clamping structure comprises an assembling seat 10, the assembling seat 10 is fixedly installed at the upper end of the base 9, a non-through assembling groove 18 is formed in the assembling seat 10, a sliding groove communicated with the assembling groove 18 is formed in one side of the assembling groove 18, and a limiting plate 19 is installed in the sliding groove in a sliding mode; the inner side of the assembling seat 10 is provided with a horizontal operation screw 20 and a transmission rod, the operation screw 20 and the transmission rod are distributed at intervals, one end of the operation screw 20 extends to the outer side of the assembling seat 10, sliding plates 21 are arranged on the operation screw 20 and the transmission rod, the number of the sliding plates 21 is two and the sliding plates are distributed at intervals, the sliding plates 21 are in transmission fit with the operation screw 20 and are in sliding connection with the transmission rod, a limiting rod 22 is movably arranged on the sliding plates 21, rollers 23 are arranged at two ends of the limiting rod 22, two sloping platforms 24 are distributed at intervals on the inner side of the assembling seat 10, and the rollers 23 at two ends of the limiting rod 22 are respectively contacted with the sloping; and a return spring is connected between the limiting plate 19 and the assembling seat 10, and under the non-external force condition, the return spring drives the limiting plate 19 to contract towards the inner side of the assembling seat 10.

Further, the cross section of the sloping platform 24 is a right triangle.

Furthermore, a rib plate 11 is connected between the lower end of the base 9 and the mounting seat 1 to improve the overall structural strength of the clamping structure.

The working principle of the embodiment is as follows:

during actual operation, the first assembling block 6 and the second assembling block 7 are connected with the electric pole through bolts, and the clamping bolt 8 is rotated, so that the limiting roller 14 is firmly attached to the surface of the electric pole under the action of the limiting spring and the clamping bolt 8; when the first 6 and second 7 assembling blocks and the pole are loosened, the limiting spring drives the limiting roller 14 to contact with the pole, when the limiting roller 14 rolls along the surface of the pole, the limiting roller 14 drives the linkage wheel 15 to rotate through the assembling shaft 13, so that the anti-slip rod 17 is overturned and attached to the surface of the pole to prevent the assembly fixing device of the pole-mounted circuit breaker from continuously sliding downwards, and the installation space of the sliding seat is conveniently adjusted according to the circuit breakers of different specifications by arranging the adjusting screw rod 2 and the sliding seat 4 in an installation connection mode. When the circuit breaker is fixed, the circuit breaker is placed in the assembling groove 18, the operation screw 20 is rotated, the operation screw 20 drives the sliding plate 21 to slide, the sliding rod 21 drives the roller 23 to roll along the sloping platform 24 through the limiting rod 22, so that the limiting plate 19 is attached to the circuit breaker, and the circuit breaker is fixed; when the operating screw 20 is rotated reversely, the limiting plate 19 is retracted towards the inner side of the assembling seat 10 under the action of the return spring to be separated from the circuit breaker, so that the circuit breaker is convenient to disassemble.

Example 2

In order to ensure that the travelling route of the roller 23 is determined in the clamping process, so that the limiting plate 19 moves smoothly; the embodiment is improved on the basis of the embodiment 1, and the improvement is as follows: the contact end face of the limiting plate 19 and the roller 23 is provided with a non-through guide groove, the guide groove is matched with the roller 23, and when the screw 20 is operated by rotating, the roller 23 slides along the guide groove, so that the limiting plate 19 moves stably.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. The assembly fixing device of the pole-mounted circuit breaker comprises a mounting seat (1) and is characterized in that the mounting seat (1) is in a transverse concave shape, two sliding seats (4) distributed at intervals are movably mounted on the inner side of the mounting seat (1), an assembly block I (6) is mounted on one side of each sliding seat (4) through a connecting rod (5), an assembly block II (7) is connected to one side of each assembly block I (6) through a bolt, the assembly block I (6) is matched with the assembly block II (7) to be mounted and connected with an electric pole, and an anti-skidding structure is mounted on the assembly block II (7); the anti-skid structure comprises an anti-skid structure clamping bolt (8), a fixing seat (12), an assembling shaft (13), a limiting roller (14), a linkage wheel (15), an anti-skid layer (16) and an anti-skid rod (17), wherein the clamping bolt (8) is installed on the assembling block II (7), one end of the clamping bolt (8) extends to the inner side of the assembling block II (7) and is rotatably installed with the fixing seat (12), a limiting spring is arranged between the clamping bolt (8) and the fixing seat (12), the limiting spring drives the fixing seat (12) to be in contact with an electric pole under the non-external force condition, the fixing seat (12) is in a transverse concave shape, the limiting roller (14) is installed on the inner side of the fixing seat (12) through the assembling shaft (13), the linkage wheel (15) is installed on the assembling shaft (13), the linkage wheel (15) is positioned on two sides of the limiting roller (14), the lower end of the, anti-skid layers (16) are uniformly distributed at the end part of the anti-skid rod (17) and the periphery of the limiting roller (14); one side fixedly connected with base (9) that mount pad (1) deviates from slide (4), laid the clamping structure on base (9).

2. The assembly fixing device of the pole-mounted circuit breaker according to claim 1, characterized in that the inner side of the mounting seat (1) is assembled with a vertical adjusting screw rod (2) and an assembly rod (3), and the adjusting screw rod (2) and the assembly rod (3) are distributed at intervals; install slide (4) between accommodate the lead screw (2) and assembly pole (3), the quantity of slide (4) is two and interval distribution, two slide (4) and accommodate the lead screw (2) reverse transmission cooperation and with assembly pole (3) sliding connection.

3. The assembly fixture of a pole circuit breaker according to claim 2, characterized in that one end of the adjusting screw (2) extends to below the mounting base (1) and is provided with a hexagonal operating head.

4. The assembly fixing device of the pole-mounted circuit breaker is characterized in that the clamping structure comprises an assembly seat (10), the assembly seat (10) is fixedly arranged at the upper end of the base (9), a non-through assembly groove (18) is formed in the assembly seat (10), a sliding groove communicated with one side of the assembly groove (18) is formed in one side of the assembly groove (18), and a limiting plate (19) is arranged in the sliding groove in a sliding manner; the assembling seat is characterized in that a horizontal operation screw (20) and a transmission rod are installed on the inner side of the assembling seat (10), the operation screw (20) and the transmission rod are distributed at intervals, one end of the operation screw (20) extends to the outer side of the assembling seat (10), sliding plates (21) are installed on the operation screw (20) and the transmission rod, the number of the sliding plates (21) is two and are distributed at intervals, the sliding plates (21) are in transmission fit with the operation screw (20) and are in sliding connection with the transmission rod, a limiting rod (22) is movably installed on the sliding plates (21), rollers (23) are installed at two ends of the limiting rod (22), two inclined platforms (24) are arranged on the inner side of the assembling seat (10) at intervals, and the rollers (23) at two ends of the limiting rod (22) are respectively contacted with the inclined; and a return spring is connected between the limiting plate (19) and the assembling seat (10), and under the non-external force condition, the return spring drives the limiting plate (19) to contract towards the inner side of the assembling seat (10).

5. The mounting fixture of a pole breaker according to claim 4, characterized in that the cross section of the ramp (24) is a right triangle.

6. The assembly fixing device of the pole-mounted circuit breaker according to claim 1, wherein a rib plate (11) is connected between the lower end of the base (9) and the mounting base (1).

7. The assembly fixture of a pole-mounted circuit breaker according to claim 4, wherein the contact end surface of the limiting plate (19) and the roller (23) is provided with a non-through guide groove, and the guide groove is matched with the roller (23).