Secondary fusion sleeve column circuit breaker convenient to disassemble and assemble
Technical Field
The invention relates to the technical field of power engineering, in particular to a secondary fused loop column circuit breaker convenient to disassemble and assemble.
Background
Along with the rapid rising of the economy and the continuous rising of the power supply quantity in China, the dependence degree of various users on the power is deepened, so that the stability and the reliability of power supply of a power grid are practically improved, and the pole-mounted circuit breaker is often applied to the links of connection, segmentation and branch lines of the power grid, so that the power supply guarantee capability of the power grid is enhanced.
The current pole-mounted circuit breaker sold in the market has certain inconvenience in the mounting process, and in the normal case, the mounting operation of the bracket is finished on the pole firstly, then the circuit breaker is placed on the bracket for fixing, so that the short-circuit protection function is realized, but in view of the fact that the pole height is generally higher, when the circuit breaker is placed on the bracket, the circuit breaker is often required to be placed after being lifted by means of lifting equipment.
Because the support is usually made of metal materials, and the bottom of the circuit breaker is also made of metal materials, the circuit breaker on the pole is easy to move in the operation process of staff after the circuit breaker on the pole is placed, and the problem that deviation occurs in the installation position is caused.
Disclosure of Invention
Aiming at the technical problems, the invention discloses a secondary fused loop column circuit breaker which is convenient to disassemble and assemble, and can effectively solve the problems in the background technology; when the device is used, the device is not required to be installed on an electric pole by means of lifting equipment, the triangular bracket can be lifted to the designated height by only manually shaking a short worm, and after the triangular bracket is lifted to the designated height, the extrusion sliding block is clamped in a clamping groove of the connecting frame to extrude and fix the connecting frame, so that equipment cannot fall off.
A secondary fused sleeve column circuit breaker convenient to disassemble and assemble comprises a quick disassembly and assembly mechanism and a quick lifting mechanism, wherein the quick disassembly and assembly mechanism comprises a triangular bracket, a column circuit breaker, a circuit breaker base, a limiting bottom plate, sliding rods, springs, an unfolding assembly and a clamping assembly, the column circuit breaker is fixedly arranged on the circuit breaker base, a plurality of sliding rods are arranged on the side face of the circuit breaker base, the sliding rods are in sliding connection with round holes on the limiting bottom plate, a spring is further arranged on the sliding rods, one end of the spring is in contact with the sliding rods, the other end of the spring is in contact with the limiting bottom plate, the limiting bottom plate is placed on the triangular bracket, round holes are formed in the limiting bottom plate, and the round holes are in sliding connection with round rods on an extension plate.
The extension plate is fixedly arranged below the circuit breaker base, the long worm is rotatably arranged in a round hole below the circuit breaker base, the long worm is meshed with a worm wheel on the cam, the cam is rotatably arranged on a rotating shaft arranged below the circuit breaker base, and the cam is in contact with the inner side of the limiting bottom plate.
Preferably, the clamping assembly comprises a threaded rod I, a long connecting rod, a short connecting rod and a clamping plate, wherein the threaded rod I is rotatably arranged in a round hole below a base of the circuit breaker, the threaded rod I is in threaded connection with the long connecting rod, one end of the long connecting rod is slidably arranged on the extending plate, the other end of the long connecting rod is rotatably connected with one end of the short connecting rod, the other end of the short connecting rod is rotatably connected with a short shaft on the clamping plate, a square hole is formed in the clamping plate and is slidably connected with a square rod on the extending plate, a round rod is further arranged on the clamping plate, and the round rod is slidably connected with the round hole on the limiting bottom plate.
The quick lifting mechanism comprises a connecting frame, a side bracket, a roller, a sliding frame, a short worm, a driven worm wheel, a threaded rod III and a fixing component, wherein the side bracket is fixedly arranged at the middle position of the connecting frame, the sliding frame is slidably arranged on the side bracket, the shaft of the roller is rotatably arranged on the sliding frame, the driven worm wheel is coaxial with the roller, the driven worm wheel is meshed with the short worm, the short worm is rotatably arranged in a round hole on the sliding frame, the threaded rod III is in threaded connection with the side bracket, and the inner side end of the threaded rod III props against the sliding frame.
The fixing assembly comprises a fastening rod, a threaded rod II, a small support, an extrusion sliding block and a lifting sliding block, wherein the fastening rod is fixedly connected with the triangular support, meanwhile, the fastening rod is fixedly connected with the connecting frame, the threaded rod II is rotatably arranged in a round hole in the small support, the small support is fixedly arranged on the connecting frame, the lifting sliding block is vertically and slidably arranged on a sliding rail on the small support, the lifting sliding block is in threaded connection with the threaded rod II, and the extrusion sliding block is horizontally and slidably arranged on the lifting sliding block.
Preferably, the outer surface of the roller is made of hard rubber.
The invention has the beneficial effects that 1. When the circuit breaker is used and installed, the limiting bottom plate can be stretched and unfolded, so that the circuit breaker base can be stably installed on the triangular bracket according to different widths of the triangular bracket, meanwhile, after the limiting bottom plate is adjusted to the width corresponding to the triangular bracket, the clamping plate can slide to two sides in a tool-free manner, and round rods on the clamping plate clamp round holes on the triangular bracket, so that the circuit breaker base is fixed.
2. When the device is used, the device is not required to be installed on an electric pole by means of lifting equipment, the tripod can be lifted to the designated height by manually shaking the short worm, and after the tripod is lifted to the designated height, the extrusion sliding block is clamped in the clamping groove of the connecting frame to extrude and fix the connecting frame, so that the device cannot fall off.
Drawings
Figure 1 is an isometric view of the overall structure of the present invention.
Fig. 2 is a side view of the overall structure of the present invention.
Fig. 3 is an overall structural view of the quick release mechanism of the present invention.
Fig. 4 is a bottom view of the quick release mechanism of the present invention.
Fig. 5 is an internal structural view of the quick release mechanism of the present invention.
Fig. 6 is a block diagram of the quick lifting mechanism of the present invention.
Fig. 7 is a structural view of the carriage of the present invention.
Fig. 8 is a structural view of the pressing slider of the present invention.
The reference numerals are 1, a triangular bracket, 2, a pole-mounted circuit breaker, 3, a circuit breaker base, 4, a limiting bottom plate, 5, a sliding rod, 6, a spring, 7, a threaded rod I, 8, a long connecting rod, 9, a short connecting rod, 10, a clamping plate, 11, an extension plate, 12, a long worm, 13, a cam, 14, a fastening rod, 15, a connecting frame, 16, a threaded rod II, 17, a small bracket, 18, a squeezing slide block, 19, a lifting slide block, 20, a side bracket, 21, a roller, 22, a sliding frame, 23, a short worm, 24, a driven worm wheel, 25 and a threaded rod III.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc. are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience in describing the simplified description of the present invention patent, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention patent. Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
1-8, A secondary fused loop column circuit breaker convenient to disassemble and assemble comprises a quick disassembly mechanism and a quick lifting mechanism;
In an alternative implementation manner of the embodiment of the invention, as shown in fig. 3, 4 and 5, the quick dismounting mechanism comprises a tripod 1, a column-mounted circuit breaker 2, a circuit breaker base 3, a limiting bottom plate 4, a slide bar 5, a spring 6, an unfolding component and a clamping component, wherein the column-mounted circuit breaker 2 is fixedly mounted on the circuit breaker base 3, a plurality of slide bars 5 are arranged on the side face of the circuit breaker base 3, the slide bars 5 are in sliding connection with round holes on the limiting bottom plate 4, a spring 6 is further arranged on the slide bars 5, one end of the spring 6 is in contact with the slide bars 5, the other end of the spring 6 is in contact with the limiting bottom plate 4, the limiting bottom plate 4 is placed on the tripod 1, a round hole is formed in the limiting bottom plate 4, and the round hole is in sliding connection with a round bar on an extension plate 11.
In an alternative implementation manner of the embodiment of the invention, as shown in fig. 5, the unfolding assembly comprises an extension plate 11, a long worm 12 and a cam 13, wherein the extension plate 11 is fixedly arranged below the circuit breaker base 3, the long worm 12 is rotatably arranged in a round hole below the circuit breaker base 3, the long worm 12 is meshed with a worm wheel on the cam 13, the cam 13 is rotatably arranged on a rotating shaft arranged below the circuit breaker base 3, and the cam 13 is in contact with the inner side of the limiting bottom plate 4.
In an alternative implementation manner of the embodiment of the invention, as shown in fig. 4 and 5, the clamping assembly comprises a threaded rod I7, a long connecting rod 8, a short connecting rod 9 and a clamping plate 10, wherein the threaded rod I7 is rotatably arranged in a round hole below the circuit breaker base 3, the threaded rod I7 is in threaded connection with the long connecting rod 8, one end of the long connecting rod 8 is slidably arranged on the extension plate 11, the other end of the long connecting rod 8 is rotatably connected with one end of the short connecting rod 9, the other end of the short connecting rod 9 is rotatably connected with a short shaft on the clamping plate 10, a square hole is arranged on the clamping plate 10 and is slidably connected with a square rod on the extension plate 11, a round rod is further arranged on the clamping plate 10, and the round rod is slidably connected with the round hole on the limiting bottom plate 4.
In an alternative implementation manner of the embodiment of the invention, as shown in fig. 6 and 7, the quick lifting mechanism comprises a connecting frame 15, a side bracket 20, a roller 21, a sliding frame 22, a short worm 23, a driven worm wheel 24, a threaded rod III25 and a fixing assembly, wherein the side bracket 20 is fixedly arranged at the middle position of the connecting frame 15, the sliding frame 22 is slidably arranged on the side bracket 20, the shaft of the roller 21 is rotatably arranged on the sliding frame 22, the driven worm wheel 24 is coaxial with the roller 21, the driven worm wheel 24 is meshed with the short worm 23, the short worm 23 is rotatably arranged in a round hole on the sliding frame 22, the threaded rod III25 is in threaded connection with the side bracket 20, and the inner end of the threaded rod III25 props against the sliding frame 22.
In an alternative implementation manner of the embodiment of the invention, as shown in fig. 6 and 8, the fixing assembly comprises a fastening rod 14, a threaded rod II16, a small bracket 17, an extrusion sliding block 18 and a lifting sliding block 19, wherein the fastening rod 14 is fixedly connected with the triangular bracket 1, meanwhile, the fastening rod 14 is fixedly connected with the connecting frame 15, the threaded rod II16 is rotatably arranged in a round hole on the small bracket 17, the small bracket 17 is fixedly arranged on the connecting frame 15, the lifting sliding block 19 is vertically and slidably arranged on a sliding rail on the small bracket 17, the lifting sliding block 19 is in threaded connection with the threaded rod II16, and the extrusion sliding block 18 is horizontally and slidably arranged on the lifting sliding block 19.
In an alternative implementation of the embodiment of the present invention, as shown in fig. 6, the outer surface of the roller 21 is made of hard rubber.
The invention can be used for expanding and unfolding the limiting bottom plate 4 when in use and installation, thereby being suitable for different widths of the triangular bracket 1, ensuring that the circuit breaker base 3 is firmly installed on the triangular bracket 1, simultaneously, after the limiting bottom plate 4 is adjusted to be in width corresponding to the triangular bracket 1, the clamping plate 10 can slide to two sides in a tool-free mode, so that round rods on the clamping plate 10 clamp round holes on the triangular bracket 1, and thus, the circuit breaker base 3 is fixed.
When the three-dimensional triangular bracket is used, firstly, the circuit breaker base 3 is mounted on the triangular bracket 1, the circuit breaker base 3 is lifted onto the triangular bracket 1, the limiting bottom plates 4 are contacted with gaps between the triangular bracket 1, the two sides of the limiting bottom plates 4 are propped up against the two sides of the triangular bracket 1 by manually rotating the long worm 12 to drive the cam 13 to rotate, the two sides of the limiting bottom plates 4 are propped up against the two sides of the triangular bracket 1 to tightly attach the limiting bottom plates 4, then the threaded rod I7 is rotated to drive the long connecting rods 8 to slide inwards, the long connecting rods 8 drive the clamping plates 10 to be unfolded towards the two sides through the short connecting rods 9, round rods on the clamping plates 10 are unfolded towards the two sides and pass through round holes on the limiting bottom plates 4 to clamp the round holes on the triangular bracket 1, and therefore the limiting bottom plates 4 are fixed on the triangular bracket 1, and the three-dimensional triangular bracket is convenient to mount and dismount.
When the circuit breaker base 3 is installed, the tripod 1 needs to be installed on the electric pole and rises to a designated height, firstly the tripod 1 and the fastening rod 14 are sleeved on the electric pole to be tightly screwed, the electric pole cannot be clamped at this time, then the threaded rod III25 is rotated, the threaded rod III25 can rotate inwards, the sliding frame 22 is propped inwards, the roller 21 is tightly attached to the electric pole, the driven worm wheel 24 is driven to rotate by manual rotation of the short worm 23, the roller 21 is driven to rotate, the roller 21 is attached to the electric pole, the whole device is driven to slide upwards, when the tripod is slid to the designated height, the threaded rod II16 on the upper side and the lower side is rotated, the threaded rod II16 drives the lifting slide block 19 to slide, the pressing slide block 18 slides into the groove on the connecting frame 15 until the pressing slide block 18 is pressed between the connecting frame 15 and the electric pole, fixing is completed, and then the sliding frame III25 is rotated, the sliding frame 22 is loosened, and the contact between the roller 21 and the electric pole is released.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.