Anti-seismic primary and secondary fused pole-mounted circuit breaker

Abstract

The application relates to the field of circuit breakers, in particular to a shock-resistant primary-secondary fusion pole-mounted circuit breaker which comprises a body and a damping device, the damping device comprises a buffer cover, a fixing assembly and a plurality of fixing bolts, a plurality of threaded holes for the fixing bolts to pass through are arranged on the surface of the body at intervals, the end of the fixing bolt can pass through the threaded hole and be screwed and fixed on the ground to form a limiting part, the fixing assembly is connected between the buffer cover and the body, the fixing assembly limits the buffer cover on the body, and the inner cavity of the buffer cover shields the body. In the application, the buffer cover, the fixing assembly and the fixing bolt are arranged, the inner cavity of the buffer cover shields the body, the buffer cover is used for resisting the impact of animals, the direct impact of animals on the body is avoided, the shock resistance of the body is improved, the normal use of the primary-secondary fusion pole-mounted circuit breaker is ensured, the maintenance frequency of the primary-secondary fusion pole-mounted circuit breaker is reduced, and therefore the use cost of the primary-secondary fusion pole-mounted circuit breaker is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the field of circuit breakers, in particular to an anti-seismic primary and secondary fusion pole-mounted circuit breaker. BACKGROUND

[0002] The primary and secondary fusion pole-mounted circuit breaker is an intelligent circuit breaker integrating primary device and secondary device functions, which is widely used in power distribution networks. It combines the functions of traditional circuit breakers and intelligent terminals, and can realize remote monitoring, fault detection and automatic isolation, thereby improving the automation level and reliability of the power distribution network.

[0003] The existing primary and secondary fusion pole-mounted circuit breaker is usually installed in an outdoor environment, which makes the primary and secondary fusion pole-mounted circuit breaker vulnerable to damage by animal impact, affecting the normal use of the primary and secondary fusion pole-mounted circuit breaker, increasing the maintenance frequency of the primary and secondary fusion pole-mounted circuit breaker, and thus increasing the use cost of the primary and secondary fusion pole-mounted circuit breaker. SUMMARY

[0004] In order to improve the use cost of the primary and secondary fusion pole-mounted circuit breaker, the application provides an anti-seismic primary and secondary fusion pole-mounted circuit breaker.

[0005] The application provides an anti-seismic primary and secondary fusion pole-mounted circuit breaker, which adopts the following technical scheme:

[0006] The anti-seismic primary and secondary fusion pole-mounted circuit breaker comprises a body and a damping device, the damping device comprises a buffer cover, a fixing assembly and a plurality of fixing bolts, a plurality of threaded holes for the fixing bolts to pass through are arranged on the surface of the body at intervals, the end of the fixing bolt can pass through the threaded hole and be screwed tightly to the ground to form a limit, the fixing assembly is connected between the buffer cover and the body, the fixing assembly limits the buffer cover on the body, and the inner cavity of the buffer cover shields the body.

[0007] By adopting the above technical scheme, when the primary and secondary fusion pole-mounted circuit breaker is installed, the body is moved to the installation station, the fixing bolt corresponds to the threaded hole one by one, the end of the fixing bolt passes through the threaded hole and is screwed tightly to the ground, the body is fixed in the installation station, the primary and secondary fusion pole-mounted circuit breaker is not easy to be offset by animal impact, the firmness of the installation of the primary and secondary fusion pole-mounted circuit breaker is realized; at the same time, the fixing assembly limits the buffer cover on the body, and the inner cavity of the buffer cover shields the body, so that the buffer cover is used to resist animal impact, the body is prevented from being directly impacted by animals, the anti-seismic performance of the body is improved, the normal use of the primary and secondary fusion pole-mounted circuit breaker is ensured, the maintenance frequency of the primary and secondary fusion pole-mounted circuit breaker is reduced, and thus the use cost of the primary and secondary fusion pole-mounted circuit breaker is reduced.

[0008] Optionally, the body surface is provided with a fixing cavity for embedding the end of the buffer cover, the fixing assembly comprises a fixing plate and a fixing block, the body surface is provided with a slide for sliding the fixing plate, the slide is communicated with the fixing cavity and one of the threaded holes, the fixing block is connected to the end face of the fixing plate facing the inner cavity of the buffer cover, the inner cavity wall of the buffer cover is provided with an embedding groove for embedding the fixing block, the fixing plate surface is provided with a positioning hole for passing the fixing bolt, when the fixing plate slides away from the body, the positioning hole is communicated with one of the threaded holes, the fixing block is embedded in the embedding groove, and the outer wall of the fixing block abuts against the inner wall of the embedding groove to form a limit.

[0009] By adopting the above technical scheme, when the end of the buffer cover is embedded in the fixing cavity, the surface of the cover opening of the buffer cover abuts against the inner wall of the fixing cavity to form a limit, thereby achieving the preliminary fixation of the buffer cover on the body, at the same time, the end of the fixing block faces the embedding groove, the fixing plate is driven to slide along the inner wall of the slide away from the body, the fixing block is embedded in the embedding groove, and the outer circumferential surface of the fixing block abuts against the inner wall of the embedding groove to form a limit, so that the end of the buffer cover is not easy to be separated from the fixing cavity, thereby further improving the limit stability of the buffer cover on the body; at the same time, the positioning hole is communicated with one of the threaded holes, the end of the fixing bolt is sequentially passed through the positioning hole and the threaded hole and is screwed tightly to the ground to form a limit, so that the fixing plate is not easy to deviate in the inner wall of the slide, thereby further improving the abutting force between the embedding block and the inner wall of the embedding groove.

[0010] Optionally, the fixing assembly further comprises an elastic member one, one end of the elastic force direction of the elastic member one is connected to the inner wall of the slide, the other end of the elastic force direction of the elastic member one is connected to the surface of the fixing plate, the elastic member one has an elastic force to drive the fixing plate to slide towards the body, the communication effect of the positioning hole and the threaded hole disappears, and the embedding block tends to be separated from the embedding groove.

[0011] By adopting the above technical scheme, when the fixing bolt is unscrewed, the limiting effect of the fixing bolt on the fixing plate disappears, the elastic member one drives the fixing plate to slide along the inner wall of the slide towards the body, the communication effect of the positioning hole and the threaded hole disappears, at the same time, the embedding block is separated from the embedding groove, so that the limiting effect of the embedding block on the buffer cover disappears, thereby facilitating the user to directly pull out the bottom of the buffer cover from the fixing cavity, and improving the convenience of the user in using the primary and secondary fusion column circuit breaker.

[0012] Optionally, the damping device further comprises a plurality of buffer air bags, and the plurality of buffer air bags are connected to the outer circumferential surface of the buffer cover at intervals.

[0013] By adopting the above technical scheme, the plurality of buffer air bags are connected to the outer circumferential surface of the buffer cover at intervals, the buffer air bags convert the kinetic energy of the animal into the deformation potential energy of the buffer air bags, so that the buffer cover is not easy to deform under impact, thereby improving the anti-shock performance of the buffer cover and prolonging the service life of the buffer cover.

[0014] Optionally, the buffer cover top surface is provided with a vent hole, one of the buffer air bag inner cavities is communicated with the embedding groove and the vent hole, the buffer air bag is connected with a storage assembly, the storage assembly comprises a storage plate, the storage plate is slidingly connected to the buffer air bag inner cavity wall, when the fixing block is embedded in the embedding groove, the fixing block end surface abuts against the storage plate surface and drives the storage plate to move away from the body, and the storage plate surface extrudes the buffer air bag inner wall to open.

[0015] By adopting the above technical scheme, when the buffer cover is transported or stored, the staff drives the storage plate to move close to the body, drives the air in the buffer air bag to be discharged from the vent hole, reduces the floor area of the buffer cover, and thus improves the convenience of transporting or storing the buffer cover; when the buffer cover end part is embedded in the fixing cavity, the fixing block is embedded in the embedding groove, the fixing block end surface abuts against the storage plate surface and drives the storage plate to move away from the body, the storage plate surface extrudes the buffer air bag inner wall to open, the external air enters the buffer air bag inner cavity through the vent hole, and the buffer air bag inner cavity is automatically inflated, so that the user does not need to use the air pump to inflate the buffer air bag inner cavity, and thus the convenience of using the primary and secondary fused circuit breaker by the user is further improved.

[0016] Optionally, the storage assembly further comprises an elastic member two, one end of the elastic member two in the elastic force direction is connected to the buffer air bag inner wall, and the other end of the elastic member two in the elastic force direction is connected to the storage plate surface, and the elastic member two has a tendency to drive the storage plate to slide in the direction close to the body by the elastic force.

[0017] By adopting the above technical scheme, when the fixing block is separated from the embedding groove, the pressing effect of the fixing block on the storage plate disappears, the elastic member two drives the storage plate to slide in the direction close to the body by the elastic force, drives the air in the buffer air bag to be discharged through the vent hole, and the air in the buffer air bag inner cavity is automatically discharged, so that the user does not need to manually drive the air in the buffer air bag to be discharged, and the convenience of using the primary and secondary fused circuit breaker by the user is further improved.

[0018] Optionally, the vent hole inner wall is connected with a filter screen, the filter screen can filter impurities in the air, and the filter screen surface is flush with the buffer cover surface.

[0019] By adopting the above technical scheme, the filter screen is used to filter impurities in the air, so that the external impurities are not easy to enter the buffer air bag inner cavity through the vent hole, and thus the cleanliness of the buffer air bag inner cavity is ensured.

[0020] Optionally, a plurality of elastic blocks are spaced apart and connected to the embedding groove inner wall, the plurality of elastic blocks are spliced to form a circular plate and close the embedding groove, when the fixing block is embedded in the embedding groove, the fixing block surface and the embedding groove inner wall clamp the elastic blocks on both sides to form a limit.

[0021] By adopting the technical scheme, the plurality of elastic blocks are spliced to form a circular plate and close the embedded groove, so that foreign matters are not easy to enter the inner cavity of the buffer air bag through the embedded groove, thereby further ensuring the cleanliness of the buffer air bag; when the fixing block is embedded into the embedded groove, the fixing block extrudes the surface of the elastic block and drives the elastic block to deform, the surface of the fixing block and the inner wall of the embedded groove clamp the two sides of the elastic block to form a limit, thereby further improving the clamping force between the fixing block and the inner wall of the embedded groove.

[0022] Optionally, a scraper is rotationally connected to the top surface of the buffer cover, and the scraping end of the scraper abuts against the surface of the buffer cover and scrapes off the impurities on the surface of the filter screen.

[0023] By adopting the technical scheme, the scraper rotates on the top surface of the buffer cover, the scraping end of the scraper abuts against the surface of the buffer cover and scrapes off the impurities on the surface of the filter screen, directional cleaning of the impurities on the surface of the filter screen is realized, the filter screen is not easy to be blocked by impurities, and thus the stability of the filter screen in cleaning impurities in the air is ensured.

[0024] Optionally, a transmission assembly is connected between the scraper and the storage plate, the transmission assembly comprises an elastic member three and a connecting rope, one end of the connecting rope is connected to the surface of the storage plate, the other end of the connecting rope is wound around the rotating shaft of the scraper, one end of the elastic member three in the elastic direction is connected to the surface of the buffer cover, the other end of the elastic member three in the elastic direction is connected to the rotating shaft of the scraper, the elastic member three has an elastic force to drive the scraper to rotate, the connecting rope is wound around the outer circumferential surface of the rotating shaft of the scraper, and the connecting rope between the scraper and the storage plate tends to be in a tight state.

[0025] By adopting the technical scheme, when the end surface of the fixing block abuts against the surface of the storage plate and drives the storage plate to move away from the body, the connecting rope receives the power of the storage plate and drives the scraper to rotate, the scraping end of the scraper abuts against the surface of the buffer cover and scrapes off the impurities on the surface of the filter screen, when the fixing block is separated from the embedded groove, the elastic force of the elastic member two drives the storage plate to move close to the body, the pulling force of the connecting rope disappears, the elastic force of the elastic member three drives the scraper to rotate in the opposite direction, the connecting rope is wound around the outer circumferential surface of the rotating shaft of the scraper, and the connecting rope between the scraper and the storage plate is in a tight state, so that an external power device is not needed to drive the scraper to rotate, energy consumption is reduced, and the concept of energy saving is embodied.

[0026] In summary, the present application has at least one of the following beneficial technical effects:

[0027] 1. The buffer cover, the fixing assembly and the fixing bolt are arranged, the inner cavity of the buffer cover shields the body, the buffer cover is used to resist the impact of animals, direct impact of the body by animals is avoided, the anti-shock performance of the body is improved, normal use of the primary and secondary fused columnar circuit breaker is ensured, the number of maintenance of the primary and secondary fused columnar circuit breaker is reduced, and the use cost of the primary and secondary fused columnar circuit breaker is reduced.

[0028] 2. The setting of the fixed plate and the fixed block, the end of the fixed bolt is sequentially threaded through the positioning hole and the threaded hole and is screwed to the ground to form a limit, so that the fixed plate is not easy to deviate in the inner wall of the slide, thereby further improving the resistance between the block and the inner wall of the slot;

[0029] 3. The setting of the elastic member one makes the limiting effect of the block to the buffer cover disappear, thereby facilitating the user to directly pull out the bottom of the buffer cover from the fixed cavity, improving the convenience of the user to use the primary and secondary fusion column-mounted circuit breaker. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is the overall structure schematic diagram in the embodiment of the application.

[0031] Figure 2 is the exploded view in the embodiment of the application, mainly showing the main body.

[0032] Figure 3 is the partial sectional view in the embodiment of the application, mainly showing the buffer air bag.

[0033] Figure 4 is Figure 3 the enlarged view of A in FIG. 1.

[0034] BRIEF DESCRIPTION OF DRAWINGS: 1, main body; 11, threaded hole; 12, fixed cavity; 13, slide; 2, damping device; 21, buffer cover; 211, slot; 212, air hole; 22, fixed assembly; 221, fixed plate; 2211, positioning hole; 222, fixed block; 223, elastic member one; 23, buffer air bag; 24, fixed bolt; 3, filter screen; 4, elastic block; 5, storage assembly; 51, storage plate; 52, elastic member two; 6, scraper; 7, transmission assembly; 71, connecting rope; 72, elastic member three. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings Figures 1-4 The application is further described in detail.

[0036] The embodiment of the application discloses an anti-seismic primary and secondary fusion column-mounted circuit breaker. Figure 1 An anti-seismic primary and secondary fusion column-mounted circuit breaker comprises a main body 1 and a damping device 2, the bottom of the main body 1 abuts against the ground to form support, and the damping device 2 is installed on the main body 1; the damping device 2 can avoid the main body 1 from being directly impacted by animals, improve the anti-seismic performance of the main body 1, guarantee the normal use of the primary and secondary fusion column-mounted circuit breaker, reduce the maintenance frequency of the primary and secondary fusion column-mounted circuit breaker, and thereby reduce the use cost of the primary and secondary fusion column-mounted circuit breaker.

[0037] Referring to Figure 2 and Figure 3The damping device 2 comprises a buffer cover 21, a fixing assembly 22, a plurality of buffer air bags 23 and a plurality of fixing bolts 24. A plurality of threaded holes 11 for the fixing bolts 24 are arranged on the surface of the body 1 at intervals. The plurality of threaded holes 11 are divided into two groups. The two groups of threaded holes 11 are located at the two ends of the body 1 in the length direction. The arrangement direction of the plurality of threaded holes 11 in the same group is parallel to the width direction of the body 1. The axis of the threaded hole 11 is parallel to the height direction of the body 1. The threaded hole 11 penetrates the outer wall of the body 1 along the axis thereof. The fixing bolt 24 corresponds to the threaded hole 11 one by one. The end of the fixing bolt 24 penetrates the threaded hole 11 and is screwed and fixed to the ground to form a limit. The body 1 is fixed in the installation station. When the body 1 is impacted by the outside, it is not easy to deviate, thereby realizing the preliminary anti-seismic of the primary and secondary fused column-mounted circuit breaker.

[0038] With reference to Figure 2 and Figure 3 , the body 1 is provided with a fixing cavity 12 for embedding the cover opening of the buffer cover 21. The inner wall of the fixing cavity 12 abuts against the surface of the cover opening of the buffer cover 21 to form a limit, thereby realizing the preliminary limiting of the buffer cover 21 on the body 1. At the same time, the inner cavity of the buffer cover 21 shields the body 1. The buffer cover 21 is used for resisting the external impact to avoid the body 1 from being directly impacted by the outside, thereby further improving the anti-seismic performance of the body 1 and ensuring the normal use of the primary and secondary fused column-mounted circuit breaker.

[0039] With reference to Figure 2 and Figure 3 , the material of the buffer air bag 23 can be rubber or silica gel. In the embodiment of the application, the material of the buffer air bag 23 is rubber, which has a certain deformation capacity. The plurality of buffer air bags 23 are connected to the outer circumferential surface of the body 1 at intervals. The buffer air bag 23 converts the external kinetic energy into the deformation potential energy of the buffer air bag 23, so that the buffer cover 21 is not easy to be deformed by the external impact, thereby improving the anti-seismic performance of the buffer cover 21 and prolonging the service life of the buffer cover 21.

[0040] With reference to Figure 2 and Figure 3The fixing assembly 22 is connected between the buffer cover 21 and the body 1, the fixing assembly 22 is used for orienting and limiting the buffer cover 21 on the body 1, the number of the fixing assembly 22 can be one, two or more, and the number of the fixing assembly 22 in the embodiment of the application is two, and the two fixing assemblies 22 are located at two ends of the length direction of the body 1; the fixing assembly 22 comprises a fixing plate 221, a fixing block 222 and an elastic member one 223, the surface of the body 1 is provided with a sliding channel 13 for sliding of the fixing plate 221, the sliding direction of the fixing plate 221 is parallel to the length direction of the body 1, the sliding channel 13 is communicated with the fixing cavity 12 and one of the threaded holes 11, the fixing block 222 is welded and fixed on the end face of the fixing plate 221 facing the inner wall of the buffer cavity, the inner wall of the buffer cover 21 is provided with an embedding groove 211 for embedding of the fixing block 222, and the plate face of the fixing plate 221 is provided with a positioning hole 2211 for penetrating of the fixing bolt 24, the axis of the positioning hole 2211 is parallel to the height direction of the body 1, and the positioning hole 2211 penetrates the outer wall of the body 1 along the axis thereof.

[0041] With reference to Figure 2 and Figure 3 The elastic member one 223 can be a compression spring or a tension spring, and in the embodiment of the application, the elastic member one 223 is a compression spring and has a certain deformation capacity, one end of the elastic member one 223 in the elastic force direction is connected to the inner wall of the sliding channel 13, the other end of the elastic member one 223 in the elastic force direction is fixed to the plate face of the fixing plate 221, the elastic member one 223 has an elastic force to drive the fixing plate 221 to slide towards the body 1, and the communication effect between the positioning hole 2211 and the threaded hole 11 disappears.

[0042] With reference to Figure 2 and Figure 3 The elastic member one 223 is located on the side of the fixing plate 221 away from the fixing block 222, when the cover opening of the buffer cover 21 is embedded into the fixing cavity 12, the inner wall of the cover opening of the buffer cover 21 abuts against the inner wall of the fixing cavity 12 to form limiting, thereby achieving preliminary positioning of the buffer cover 21 on the body 1, driving the fixing plate 221 to slide away from the body 1 against the elastic force of the elastic member one 223, embedding the fixing block 222 into the embedding groove 211, and abutting the outer peripheral surface of the fixing block 222 against the inner wall of the embedding groove 211 to form limiting, so that the buffer cover 21 is not easy to be separated from the body 1, and further achieving limiting stability of the buffer cover 21 on the body 1.

[0043] With reference to Figure 2 and Figure 3 At the same time, the positioning hole 2211 is communicated with the threaded hole 11, the end of the fixing bolt 24 is sequentially penetrated through the positioning hole 2211 and the threaded hole 11 and is threadedly fastened and fixed on the ground, so that the fixing plate 221 is not easy to deviate from the inner wall of the sliding channel 13, thereby achieving limiting of the fixing plate 221 on the inner wall of the sliding channel 13, preventing the fixing block 222 from being separated from the embedding groove 211, and further improving the limiting stability of the buffer cover 21 on the body 1.

[0044] With reference to Figure 2 and Figure 3 , the top surface of the buffer cover 21 is provided with a ventilation hole 212, the inner cavities of the two side buffer air bags 23 of the body 1 are communicated with the embedding groove 211 and the ventilation hole 212, the inner wall of the ventilation hole 212 is connected with a filter screen 3, the filter screen 3 can filter impurities in the air, so that the impurities outside are not easy to enter the inner cavity of the buffer air bag 23 through the ventilation hole 212, thereby ensuring the cleanliness of the inner cavity of the buffer air bag 23, and the surface of the filter screen 3 is flush with the top surface of the buffer cover 21.

[0045] With reference to Figure 2 and Figure 3 , a plurality of elastic blocks 4 are connected to the inner wall of the embedding groove 211 at intervals, the material of the elastic blocks 4 can be rubber or silica gel, the material of the elastic blocks 4 in the embodiment of the application is rubber, which has a certain deformation ability, the plurality of elastic blocks 4 are spliced to form a circular plate and close the embedding groove 211, so that the impurities outside are not easy to enter the inner cavity of the buffer air bag 23 through the embedding groove 211, further improving the sealing stability of the inner cavity of the buffer air bag 23.

[0046] With reference to Figure 3 and Figure 4 , when the fixing block 222 is embedded in the embedding groove 211, the fixing block 222 extrudes the elastic block 4, the elastic block 4 is deformed under pressure, and the fixing block 222 and the inner wall of the embedding groove 211 clamp the two sides of the elastic block 4 to form a limit, further improving the pressing force between the fixing block 222 and the inner wall of the embedding groove 211.

[0047] With reference to Figure 3 and Figure 4 , the two side buffer air bags 23 of the body 1 are each provided with a storage assembly 5, the storage assembly 5 can control the inflation and exhaust of the buffer air bag 23, the storage assembly 5 includes a storage plate 51 and an elastic member two 52, the storage plate 51 is slidingly connected to the inner cavity wall of the buffer air bag 23, the sliding direction of the storage plate 51 is parallel to the length direction of the body 1, the elastic member two 52 can be a compression spring or a tension spring, the elastic member two 52 in the embodiment of the application is a compression spring, which has a certain deformation ability, one end of the elastic member two 52 in the elastic force direction is connected to the inner wall of the buffer air bag 23, the other end of the elastic member two 52 in the elastic force direction is connected to the plate surface of the storage plate 51, the elastic member two 52 has an elastic force to drive the storage plate 51 to slide towards the body 1, to push the air in the buffer air bag 23 to be exhausted from the ventilation hole 212, to realize the exhaust of the buffer air bag 23, to reduce the floor area of the buffer cover 21, thereby facilitating the user to transport and store the buffer cover 21.

[0048] With reference to Figure 2 and Figure 3When the fixed block 222 is embedded in the embedding groove 211, the end surface of the fixed block 222 abuts against the plate surface of the receiving plate 51 and drives the receiving plate 51 to slide away from the main plate against the elastic force of the elastic member two 52, pushes the external air to enter the inner cavity of the buffer air bag 23 from the air hole 212 after being filtered by the filter screen 3, and realizes the expansion of the buffer air bag 23.

[0049] With reference to Figure 2 and Figure 3 , the top surface of the buffer cover 21 is rotationally connected with the scraper 6, the rotation axis of the scraper 6 and the height direction of the buffer cover 21 are parallel to each other, the scraping end of the scraper 6 can abut against the surface of the buffer cover 21 and scrape the impurities on the surface of the filter screen 3, so that the impurities are not easy to block the filter screen 3, and directional cleaning of the impurities on the surface of the filter screen 3 is realized.

[0050] With reference to Figure 2 and Figure 3 , the scraper 6 is connected with one of the receiving plates 51 through a transmission assembly 7, the transmission assembly 7 can receive the power of the receiving plate 51 and drive the scraper 6 to rotate, the rotation shaft end of the scraper 6 penetrates through the surface of the buffer cover 21 and is located in the air hole 212, the transmission assembly 7 includes a connecting rope 71 and an elastic member three 72, one end of the connecting rope 71 is connected to the plate surface of the receiving plate 51, the other end of the connecting rope 71 is wound around the outer peripheral surface of the rotation shaft of the scraper 6, the elastic member three 72 can be a coil spring or a tension spring, in the embodiment of the application, the elastic member three 72 is a coil spring and has a certain deformation capacity, one end of the elastic member three 72 in the elastic force direction is connected to the surface of the rotation shaft of the scraper 6, the other end of the elastic member three 72 in the elastic force direction is connected to the inner wall of the air hole 212, the elastic member three 72 has an elastic force to drive the scraper 6 to rotate, the connecting rope 71 is wound around the outer peripheral surface of the rotation shaft of the scraper 6, and the connecting rope 71 between the scraper 6 and the receiving plate 51 is in a state of being in tension.

[0051] With reference to Figure 2 and Figure 3 Figure 2 Figure 3 , when the end surface of the fixed block 222 abuts against the plate surface of the receiving plate 51 and drives the receiving plate 51 to slide away from the body 1, the receiving plate 51 pulls the connecting rope 71 and drives the scraper 6 to rotate, and the scraping end of the scraper 6 abuts against the surface of the buffer cover 21 and scrapes the impurities on the surface of the filter screen 3; when the elastic force of the elastic member two 52 drives the receiving plate 51 to slide towards the body 1, the pulling force of the receiving plate 51 on the connecting rope 71 disappears, the elastic member three 72 drives the scraper 6 to rotate in the opposite direction, the connecting rope 71 is wound around the outer peripheral surface of the rotation shaft of the scraper 6 to realize storage, and at the same time, the scraping end of the scraper 6 abuts against the surface of the buffer cover 21 and scrapes the impurities on the surface of the filter screen 3, directional rotation of the scraper 6 is realized, an external power motor is not needed to drive the scraper 6 to rotate, energy consumption is reduced, and the concept of energy saving is embodied.

[0052] The implementation principle of the anti-seismic primary and secondary fusion column-mounted circuit breaker is as follows: the body 1 is moved to the installation station, the buffer cover 21 cover opening is embedded into the fixed cavity 12, the inner wall of the buffer cover 21 cover opening abuts against the inner wall of the fixed cavity 12 to form a limit, the preliminary positioning of the buffer cover 21 on the body 1 is realized, the fixed plate 221 is driven to slide away from the body 1 against the elastic force of the elastic member one 223, the fixed block 222 is embedded into the embedded groove 211, the fixed block 222 extrudes the elastic block 4, the elastic block 4 is deformed under pressure, the outer wall of the fixed block 222 and the inner wall of the embedded groove 211 clamp the two sides of the elastic block 4 to form a limit, the clamping force between the fixed block 222 and the inner wall of the embedded groove 211 is further improved, the positioning hole 2211 is communicated with the threaded hole 11, the end of the fixed bolt 24 is sequentially threaded through the positioning hole 2211 and the threaded hole 11 and is screwed and fixed on the ground, the fixed plate 221 is not easy to deviate in the inner wall of the sliding channel 13, the limit of the fixed plate 221 in the inner wall of the sliding channel 13 is realized, the fixed block 222 is not easy to be separated from the embedded groove 211, and the limit stability of the buffer cover 21 on the body 1 is further improved; the end face of the fixed block 222 abuts against the plate face of the receiving plate 51 and drives the receiving plate 51 to slide away from the main plate against the elastic force of the elastic member two 52, the external air is pushed to enter the inner cavity of the buffer air bag 23 from the air hole 212 after being filtered through the filter screen 3, the expansion of the buffer air bag 23 is realized, the receiving plate 51 pulls the connecting rope 71, the scraper 6 is driven to rotate, the scraping end of the scraper 6 abuts against the surface of the buffer cover 21 and scrapes off the impurities on the surface of the filter screen 3; the inner cavity of the buffer cover 21 shields the body 1, the buffer cover 21 is used for resisting the impact of animals, the direct impact of animals on the body 1 is avoided, meanwhile, the buffer air bag 23 can convert the external kinetic energy into the elastic potential energy of itself, the buffer cover 21 is not easy to be deformed under pressure, the anti-seismic performance of the body 1 is further improved, the normal use of the primary and secondary fusion column-mounted circuit breaker is ensured, the maintenance frequency of the primary and secondary fusion column-mounted circuit breaker is reduced, and therefore the use cost of the primary and secondary fusion column-mounted circuit breaker is reduced.

[0053] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered into the protection scope of the application.

Claims

1. A seismic-resistant primary and secondary integrated pole-mounted circuit breaker, characterized in that: The device includes a main body (1) and a shock-absorbing device (2). The shock-absorbing device (2) includes a buffer cover (21), a fixing component (22), and multiple fixing bolts (24). The surface of the main body (1) is provided with multiple threaded holes (11) for the fixing bolts (24) to pass through. The ends of the fixing bolts (24) can pass through the threaded holes (11) and be screwed on to be fixed to the ground to form a limit. The fixing component (22) is connected between the buffer cover (21) and the main body (1). The fixing component (22) limits the buffer cover (21) to the main body (1), and the inner cavity of the buffer cover (21) is shielded. The main body (1) has a fixed cavity (12) on its surface for the end of the buffer cover (21) to be inserted into. The fixing component (22) includes a fixing plate (221) and a fixing block (222). The main body (1) has a slide rail (13) on its surface for the fixing plate (221) to slide. The slide rail (13) connects the fixed cavity (12) and one of the threaded holes (11). The fixing block (222) is connected to the end face of the fixing plate (221) facing the inner cavity of the buffer cover (21). The inner wall of the buffer cover (21) has a groove (211) for the fixing block (222) to be inserted into. The fixing plate (221) has a positioning hole (2211) for the fixing bolt (24) to pass through. When the fixing plate (221) slides away from the body (1), the positioning hole (2211) connects to one of the threaded holes (11), the fixing block (222) is embedded in the groove (211), and the outer wall of the fixing block (222) abuts against the inner wall of the groove (211) to form a limit. The shock absorption device (2) also includes multiple buffer airbags (23), which are spaced apart on the outer circumferential surface of the buffer cover (21). The top surface of the buffer cover (21) has a through hole. Air hole (212), one of the inner cavities of the buffer airbag (23) is connected to the groove (211) and the air hole (212), the buffer airbag (23) is connected to the storage component (5), the storage component (5) includes a storage plate (51), the storage plate (51) is slidably connected to the inner wall of the buffer airbag (23), when the fixing block (222) is embedded in the groove (211), the end face of the fixing block (222) abuts against the plate surface of the storage plate (51) and drives the storage plate (51) away from the body (1), the plate surface of the storage plate (51) squeezes the inner wall of the buffer airbag (23) to open.

2. The seismic-resistant primary and secondary integrated pole-mounted circuit breaker according to claim 1, characterized in that: The fixing component (22) also includes an elastic element (223), one end of which is connected to the inner wall of the slide (13) in the elastic direction, and the other end of which is connected to the surface of the fixing plate (221). The elastic element (223) has the elastic force to drive the fixing plate (221) to slide closer to the body (1), the communication effect between the positioning hole (2211) and the threaded hole (11) disappears, and the fixing block (222) tends to disengage from the groove (211).

3. The seismic-resistant primary and secondary integrated pole-mounted circuit breaker according to claim 1, characterized in that: The storage component (5) also includes an elastic element two (52), one end of which is connected to the inner wall of the buffer airbag (23) in the elastic direction, and the other end of which is connected to the surface of the storage plate (51). The elastic element two (52) has the tendency to elastically drive the storage plate (51) to slide closer to the main body (1).

4. The seismic-resistant primary and secondary integrated pole-mounted circuit breaker according to claim 3, characterized in that: The inner wall of the vent (212) is connected to a filter screen (3), which can filter impurities in the air, and the surface of the filter screen (3) is flush with the surface of the buffer cover (21).

5. The seismic-resistant primary and secondary integrated pole-mounted circuit breaker according to claim 1, characterized in that: The inner wall of the groove (211) is connected with multiple elastic blocks (4) at intervals. The multiple elastic blocks (4) are spliced ​​together to form a circular plate and close the groove (211). When the fixing block (222) is embedded in the groove (211), the surface of the fixing block (222) and the inner wall of the groove (211) clamp the two sides of the elastic block (4) to form a limit.

6. A seismic-resistant primary and secondary integrated pole-mounted circuit breaker according to claim 4, characterized in that: The top surface of the buffer cover (21) is rotatably connected to a scraper (6), and the scraping end of the scraper (6) presses against the surface of the buffer cover (21) and scrapes away impurities from the surface of the filter screen (3).

7. A seismic-resistant primary and secondary integrated pole-mounted circuit breaker according to claim 6, characterized in that: A transmission assembly (7) is connected between the scraper (6) and the storage plate (51). The transmission assembly (7) includes an elastic element (72) and a connecting rope (71). One end of the connecting rope (71) is connected to the surface of the storage plate (51), and the other end of the connecting rope (71) is wound around the rotating shaft of the scraper (6). One end of the elastic element (72) in the elastic direction is connected to the surface of the buffer cover (21), and the other end of the elastic element (72) in the elastic direction is connected to the rotating shaft of the scraper (6). The elastic element (72) has the elasticity to drive the scraper (6) to rotate. The connecting rope (71) is wound around the outer circumference of the rotating shaft of the scraper (6), and the connecting rope (71) between the scraper (6) and the storage plate (51) tends to be in a taut state.

Images