Pole-mounted circuit breaker

Abstract

The utility model relates to a pole-mounted circuit breaker, and relates to the field of pole-mounted circuit breakers. The device comprises a mechanism box and a plurality of arc extinguish chambers evenly installed on the upper end face of the mechanism box, the mechanism box comprises a main box shell and supporting frames, the supporting frames are symmetrically installed on the two sides of the lower end face of the main box shell and fixedly connected with the main box shell, and a movable frame set is arranged at the lower ends of the supporting frames. The movable frame set is fixedly connected with the supporting frame through bolts. The mechanism box is designed to be of a structure that the main box shell and the supporting frame are matched, and the movable frame set is fixedly installed at the lower end of the supporting frame, so that it is guaranteed that the mechanism box can be connected with the column binding frame in a matched mode through the movable frame set during use; during installation, after the column binding frame is fixed to the column body support, the mechanism box can be installed on the horizontal base in a sliding mode through the movable frame set, and the front and back of the mechanism box can be flexibly adjusted in a sliding mode before fixing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pole-mounted circuit breakers, and in particular to a pole-mounted circuit breaker. BACKGROUND

[0002] A pole-mounted circuit breaker refers to a circuit breaker installed and operated on a pole. The power research level and manufacturing technology of various circuit breakers have developed by leaps and bounds.

[0003] The existing Chinese patent with the publication number CN217847801U discloses a pole-mounted circuit breaker, which comprises a circuit breaker body, a cover plate slidably connected inside the circuit breaker body, a connecting shell fixedly connected to the cover plate, the connecting shell in contact with the circuit breaker body, a mounting bracket fixedly connected to the lower end of the circuit breaker body, a sliding groove formed in the mounting bracket, a sliding block slidably connected inside the sliding groove, a fixed frame fixedly connected to one end of the sliding block, the fixed frame in contact with the mounting bracket, a clamping mechanism provided on the circuit breaker body, and a limiting mechanism provided on the cover plate. The utility model discloses a limiting frame, a push plate, a spring and other components.

[0004] In view of the related technology in the above, it is found that the existing pole-mounted circuit breaker needs to be suspended for alignment and installation, which is relatively cumbersome in the operation process, and the corresponding installation support size needs to be measured before installation. Once the support is installed, the position cannot be adjusted, and the installation flexibility is poor. UTILITY MODEL CONTENTS

[0005] In order to facilitate flexible disassembly and assembly and convenient adjustment of the installation position, the present application provides a pole-mounted circuit breaker.

[0006] The pole-mounted circuit breaker provided by the present application adopts the following technical scheme:

[0007] A pole-mounted circuit breaker comprises a mechanism box and a plurality of arc extinguishing chambers uniformly installed on the upper end face of the mechanism box. The mechanism box comprises a main box shell and a support frame. The support frame is symmetrically installed on both sides of the lower end face of the main box shell and is fixedly connected with the main box shell. The lower end of the support frame is provided with a movable frame set. The movable frame set is fixedly connected with the support frame through bolts. The lower end of the movable frame set is further provided with a pole binding frame. The movable frame set and the pole binding frame are slidably connected, and the pole binding frame is provided with a positioning bolt connected with the movable frame set.

[0008] By adopting the technical scheme, the mechanism box is designed as a structure matched with the main box shell and the supporting frame, the main box shell can be connected with the device at the lower end through the supporting frame during use, the main box shell supports the arc extinguishing chambers for stable use, the movable frame set is arranged at the lower end of the supporting frame during use, the movable frame set is installed at the lower end surface of the supporting frame, and then the movable frame set and the column binding frame are fixed through the bolts, so that the movable frame set can be matched with the column binding frame, the column body support can be fixed and installed on the column binding frame during actual installation, and the movable frame set can be clamped and installed on the column binding frame and then slidably adjusted in position, so that the position can be flexibly adjusted before being fixed, and the operator only needs to push the movable frame set to operate when the position needs to be adjusted, so that the movable frame set can be better operated during installation, and the movable frame set can be fixed on the column binding frame through the positioning bolts after the position of the movable frame set on the column binding frame is adjusted, so that the mechanism box and the arc extinguishing chambers at the upper end can be stably used.

[0009] Optionally, the movable frame set comprises a middle frame and side sliding frames, the side sliding frames are installed at two ends of the middle frame, and the side sliding frames are fixedly connected with the middle frame.

[0010] By adopting the technical scheme, the movable frame set is designed as a structure matched with the middle frame and the side sliding frames, so that the two side sliding frames at the two ends can be connected with each other through the middle frame during use, so that the lower end of the supporting frame can be installed through the side sliding frames during installation.

[0011] Optionally, the middle frame comprises a cross rod set and a threaded pipe, the threaded pipe is installed at the center of the cross rod set, and the threaded pipe is integrally formed with the cross rod set.

[0012] By adopting the technical scheme, the middle frame is designed as a structure matched with the cross rod set and the threaded pipe, so that the two side sliding frames at the two ends can be connected through the cross rod set during use, and the threaded pipe is arranged at the center of the cross rod set, so that the threaded pipe can be matched with the positioning bolts to achieve stable connection.

[0013] Optionally, the side sliding frame comprises a bent bottom plate and a limiting bent plate, the limiting bent plate is installed at the upper end surface of the bent bottom plate, and the limiting bent plate is integrally formed with the bent bottom plate.

[0014] By adopting the technical scheme, the side sliding frame is designed as a structure matched with the bent bottom plate and the limiting bent plate, so that the bent bottom plate can be matched with the column binding frame during use, and the limiting bent plate is arranged to be installed below the mechanism box, so that the limiting bent plate can be attached to the inner surface of the supporting frame and supported at the lower end of the main box shell, so that the mechanism box and the side sliding frame can be stably fixed.

[0015] Optionally, the column binding frame comprises a triangular supporting block and a horizontal seat for sliding installation of the side slide frame, the horizontal seat is installed on the upper end surface of the triangular supporting block, and the horizontal seat is integrally formed with the triangular supporting block.

[0016] By adopting the above technical scheme, the column binding frame is designed as a structure in which the triangular supporting block and the horizontal seat are matched, so that the triangular supporting block can be easily attached to the column support during use, and then the horizontal seat can be stably supported by the triangular supporting block, and the side slide frame can be conveniently installed through the horizontal seat.

[0017] Optionally, a positioning middle groove is formed in the middle part of the triangular supporting block, a detachable rubber block is installed in the positioning middle groove, and a connecting vertical plate is arranged on one side of the triangular supporting block, and the connecting vertical plate is integrally formed with the triangular supporting block.

[0018] By adopting the above technical scheme, the positioning middle groove is formed in the middle part of the triangular supporting block, so that the positioning screw can be conveniently fixed and installed, and after the positioning screw is installed, the rubber block can be installed in the positioning middle groove, so that the positioning screw can be effectively protected, and when the positioning screw needs to be disassembled, the rubber block can be disassembled.

[0019] Optionally, the horizontal seat comprises a horizontal plate and a limiting strip in sliding cooperation with a bent bottom plate, the limiting strips are symmetrically arranged at both ends of the horizontal plate, and the limiting strips are integrally formed with the horizontal plate.

[0020] By adopting the above technical scheme, the horizontal seat is arranged as a structure in which the horizontal plate and the limiting strip are matched, so that when the middle frame is placed on the horizontal plate, the limiting strips at both ends can be clamped with the bent bottom plate, and during installation, the middle frame can only slide on the horizontal plate to adjust the position.

[0021] Optionally, a plurality of through holes for installation of the positioning screw are uniformly formed in the middle part of the horizontal plate, and a flip-open buckling cover is further installed on the horizontal plate, one end of the buckling cover is rotatably connected with the horizontal plate, and the other end of the buckling cover is fixedly connected with the connecting vertical plate through a screw.

[0022] By adopting the above technical scheme, a plurality of through holes are uniformly formed in the middle part of the horizontal plate, so that when the positioning screw needs to be installed, the positioning screw can be fixedly connected with the threaded pipe through the through hole, so as to lock the middle frame, and the movable frame group and the horizontal plate are fixedly connected.

[0023] In summary, the present application has at least one beneficial technical effect: the present application designs the mechanism box as a structure matched with the main box shell and the support frame, and fixedly installs the movable frame set at the lower end of the support frame, so that the movable frame set can be connected with the column binding frame during use, and after the column binding frame is fixed on the column support, the mechanism box can be slidably installed on the horizontal seat through the movable frame set, and the front and back of the mechanism box can be flexibly adjusted before being fixed, so that different wiring requirements can be easily met, and after the installation position is determined, the mechanism box can be locked through the positioning bolt, and the disassembly and assembly operation is very flexible. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic diagram of the overall structure in the embodiment of the present application.

[0025] Figure 2 is a perspective view of the movable frame set in the embodiment of the present application.

[0026] Figure 3 is a front view of the device shown in Figure 2 .

[0027] Figure 4 is a perspective view of the column binding frame in the embodiment of the present application.

[0028] Figure 5 is a top view of the device shown in Figure 4 .

[0029] Figure 6 is a front view of the device shown in Figure 4 .

[0030] Reference signs: 1, mechanism box; 10, arc extinguishing chamber; 11, main box shell; 12, support frame; 2, movable frame set; 21, middle frame; 211, cross rod set; 212, threaded pipe; 22, side sliding frame; 221, bent bottom plate; 222, limiting bent plate; 3, column binding frame; 31, triangular supporting block; 311, positioning middle groove; 312, connecting vertical plate; 313, rubber block; 32, horizontal seat; 321, horizontal plate; 322, limiting strip; 323, through hole; 324, buckling cover; 4, positioning bolt. DETAILED DESCRIPTION

[0031] The present application will be further described in detail below with reference to the accompanying drawings.

[0032] The embodiment of the present application discloses a pole-mounted circuit breaker. Referring to Figure 1 , Figure 2 and Figure 3As shown, a pole-mounted circuit breaker comprises a mechanism box 1 and a plurality of arc extinguishing chambers 10 uniformly mounted on the upper end surface of the mechanism box 1, the mechanism box 1 comprises a main box shell 11 and a support frame 12, the support frame 12 is symmetrically mounted on both sides of the lower end surface of the main box shell 11, and the support frame 12 is fixedly connected with the main box shell 11, the lower end of the support frame 12 is provided with a movable frame set 2, the movable frame set 2 is fixedly connected with the support frame 12 through bolts, the lower end of the movable frame set 2 is further provided with a pole binding frame 3, the movable frame set 2 is slidably connected with the pole binding frame 3, and the pole binding frame 3 is provided with a positioning bolt 4 connected with the movable frame set 2. By designing the mechanism box 1 into a structure matched with the main box shell 11 and the support frame 12, the main box shell 11 can be connected with the device at the lower end through the support frame 12 during use, and the main box shell 11 is arranged to support the plurality of arc extinguishing chambers 10 for stable use, the movable frame set 2 is arranged at the lower end of the support frame 12, the movable frame set 2 is installed at the lower end surface of the support frame 12 during use, and then the movable frame set 2 and the support frame 12 are fixedly connected through bolts, so that the movable frame set 2 is matched with the pole binding frame 3, the pole binding frame 3 is used to fix the support of the column during actual installation, and then the movable frame set 2 is clamped and installed on the pole binding frame 3 and can be slidably adjusted in position, so that the position can be flexibly adjusted before being fixed, and the operator only needs to push to operate when adjustment is needed, so that the installation can be better operated, and after the position of the movable frame set 2 on the pole binding frame 3 is adjusted, the positioning bolt 4 is installed at the lower end to fix the movable frame set 2 on the pole binding frame 3, so that the mechanism box 1 and the arc extinguishing chambers 10 at the upper end can be stably used.

[0033] Referring to Figure 2 and Figure 3As shown, the movable frame set 2 comprises a middle frame 21 and side sliding frames 22, the side sliding frames 22 are installed at both ends of the middle frame 21, and the side sliding frames 22 are fixedly connected with the middle frame 21. By designing the movable frame set 2 as a structure that the middle frame 21 and the side sliding frames 22 cooperate, it is convenient to connect the side sliding frames 22 at both ends with each other through the middle frame 21 during use, so that it can be ensured that the lower end of the support frame 12 is fixedly connected through the side sliding frame 22 during installation. The middle frame 21 comprises a cross rod set 211 and a threaded pipe 212, the threaded pipe 212 is installed at the center of the cross rod set 211, and the threaded pipe 212 is integrally formed with the cross rod set 211. By designing the middle frame 21 as a structure that the cross rod set 211 and the threaded pipe 212 cooperate, it is easy to connect the side sliding frames 22 at both ends through the cross rod set 211 during use, and by arranging the threaded pipe 212 at the center of the cross rod set 211, it is convenient to cooperate with the positioning bolt 4 through the threaded pipe 212, so as to achieve the purpose of stable connection. The side sliding frame 22 comprises a bent bottom plate 221 and a limiting bent plate 222, the limiting bent plate 222 is installed at the upper end face of the bent bottom plate 221, and the limiting bent plate 222 is integrally formed with the bent bottom plate 221. By designing the side sliding frame 22 as a structure that the bent bottom plate 221 and the limiting bent plate 222 cooperate, it is easy to use the bent bottom plate 221 to be clamped and matched with the column binding frame 3 during use, and by arranging the limiting bent plate 222, it can be ensured that the side sliding frame 22 is installed below the mechanism box 1, which can be attached to the inner side of the support frame 12, and can also be supported at the lower end of the main box shell 11 through the limiting bent plate 222, so that the mechanism box 1 and the side sliding frame 22 can be stably fixed with each other.

[0034] Referring to Figure 4 , Figure 5 and Figure 6As shown, the column kidnapper 3 includes a triangular supporting block 31 and a horizontal seat 32 for sliding installation of the side slide 22, the horizontal seat 32 is installed on the upper end face of the triangular supporting block 31, and the horizontal seat 32 is integrally formed with the triangular supporting block 31. By designing the column kidnapper 3 as a structure that the triangular supporting block 31 and the horizontal seat 32 cooperate, it is easy to use the triangular supporting block 31 to fit on the column support, and then the triangular supporting block 31 is used to stably support the horizontal seat 32, and the side slide 22 is conveniently installed through the horizontal seat 32. The middle part of the triangular supporting block 31 is provided with a positioning middle groove 311, and a detachable rubber block 313 is installed in the positioning middle groove 311, and a connecting vertical plate 312 is arranged on one side of the triangular supporting block 31, and the connecting vertical plate 312 is integrally formed with the triangular supporting block 31. By providing the middle part of the triangular supporting block 31 with the positioning middle groove 311, it is convenient to fix and install through the positioning bolt 4, and after the positioning bolt 4 is installed, the rubber block 313 can be installed in the positioning middle groove 311, so that the positioning bolt 4 can be effectively protected, and when the positioning bolt 4 needs to be disassembled, the rubber block 313 can be disassembled. The horizontal seat 32 includes a horizontal plate 321 and a limiting strip 322 in sliding cooperation with the bent bottom plate 221, the limiting strips 322 are symmetrically arranged at both ends of the horizontal plate 321, and the limiting strips 322 are integrally formed with the horizontal plate 321. By arranging the horizontal seat 32 as a structure that the horizontal plate 321 and the limiting strips 322 cooperate, when the middle frame 21 is placed on the horizontal plate 321, the limiting strips 322 at both ends can be clamped with the bent bottom plate 221, and the middle frame 21 can only slide on the horizontal plate 321 to adjust the position during installation. The middle part of the horizontal plate 321 is uniformly provided with a plurality of through holes 323 for installation of the positioning bolt 4, and a flip-open buckling cover 324 is further installed on the horizontal plate 321, one end of the buckling cover 324 is rotatably connected with the horizontal plate 321, and the other end of the buckling cover 324 is fixedly connected with the connecting vertical plate 312 through a bolt. By uniformly providing a plurality of through holes 323 in the middle part of the horizontal plate 321, when the positioning bolt 4 needs to be installed, the positioning bolt 4 can be fixedly connected with the threaded tube 212 through the through hole 323, so as to lock the middle frame 21, and further achieve the purpose of fixing the movable frame group 2 with the horizontal plate 321, and the flip-open buckling cover 324 is further installed on the horizontal plate 321, so as to ensure that the horizontal plate 321 and the buckling cover 324 can be clamped and fixed on the column during use.

[0035] The implementation principle of the pole-mounted circuit breaker in the embodiment of the application is as follows: during actual installation, first, the pole frame 3 is fixedly installed on the pole support, then the mechanism box 1 is installed on the movable frame set 2, the movable frame set 2 is installed on the support frame 12 through the two end side sliding frames 22, the side sliding frame 22 and the support frame 12 are fixed to each other through bolts, then the assembled mechanism box 1 and the movable frame set 2 can be hung and placed on the horizontal plate 321 of the pole frame 3, the bent bottom plate 221 is used to be clamped with the two end limiting strips 322, then the position of the mechanism box 1 and the arc-extinguishing chamber 10 on the water plate is adjusted according to actual connection needs, after the appropriate installation position is adjusted, the positioning bolt 4 is passed through the penetrating hole 323 corresponding to the threaded tube 212, then the positioning bolt 4 and the threaded tube 212 are fixed to each other, finally, the rubber block 313 is installed in the positioning groove 311.

[0036] The above are preferred embodiments of the application, and do not limit the protection scope of the application, therefore: equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A pole-mounted circuit breaker comprising a mechanism box (1) and a plurality of arc-extinguishing chambers (10) uniformly mounted on the upper face of the mechanism box (1), characterized in that: The mechanism box (1) includes a main box shell (11) and a support frame (12), the support frame (12) is symmetrically installed on both sides of the lower end surface of the main box shell (11), and the support frame (12) is fixedly connected with the main box shell (11), the lower end of the support frame (12) is provided with a movable rack group (2), the movable rack group (2) is fixedly connected with the support frame (12) through bolts, and the lower end of the movable rack group (2) is further provided with a column binding frame (3), the movable rack group (2) is slidably connected with the column binding frame (3), and the column binding frame (3) is provided with a positioning bolt (4) connected with the movable rack group (2).

2. A pole-mounted circuit breaker according to claim 1, characterized in that: The movable rack group (2) includes a middle rack (21) and a side sliding rack (22), the side sliding rack (22) is installed at both ends of the middle rack (21), and the side sliding rack (22) is fixedly connected with the middle rack (21).

3. A pole-mounted circuit breaker according to claim 2, wherein: The middle rack (21) includes a cross rod group (211) and a threaded pipe (212), the threaded pipe (212) is installed at the center of the cross rod group (211), and the threaded pipe (212) is integrally formed with the cross rod group (211).

4. A pole-mounted circuit breaker according to claim 3, wherein: The side sliding rack (22) includes a bent bottom plate (221) and a limiting bent plate (222), the limiting bent plate (222) is installed on the upper end surface of the bent bottom plate (221), and the limiting bent plate (222) is integrally formed with the bent bottom plate (221).

5. A pole-mounted circuit breaker according to claim 4, wherein: The column binding frame (3) includes a triangular supporting block (31) and a horizontal seat (32) for slidably installing the side sliding rack (22), the horizontal seat (32) is installed on the upper end surface of the triangular supporting block (31), and the horizontal seat (32) is integrally formed with the triangular supporting block (31).

6. A pole-mounted circuit breaker according to claim 5, wherein: The middle part of the triangular supporting block (31) is provided with a positioning middle groove (311), and a detachable rubber block (313) is installed in the positioning middle groove (311), one side of the triangular supporting block (31) is provided with a connecting vertical plate (312), and the connecting vertical plate (312) is integrally formed with the triangular supporting block (31).

7. A pole-mounted circuit breaker according to claim 6, wherein: The horizontal seat (32) includes a horizontal plate (321) and a limiting strip (322) slidably matched with the bent bottom plate (221), the limiting strips (322) are symmetrically arranged at both ends of the horizontal plate (321), and the limiting strips (322) are integrally formed with the horizontal plate (321).

8. A pole-mounted circuit breaker according to claim 7, characterized in that: The middle part of the horizontal plate (321) is uniformly provided with a plurality of through holes (323) for installing the positioning bolts (4), and a flip-open buckling cover (324) is further installed on the horizontal plate (321), one end of the buckling cover (324) is rotatably connected with the horizontal plate (321), and the other end of the buckling cover (324) is fixedly connected with the connecting vertical plate (312) through bolts.

Images