Tool for assembling pole-mounted circuit breaker

Abstract

The utility model relates to the technical field of assembly, and discloses a tool for assembling a pole-mounted circuit breaker, which comprises a base, a pair of electric lifting tables and a pair of transmission mechanisms are fixedly arranged on the upper side of the base, bearing seats are fixedly arranged on the upper sides of platforms of the electric lifting tables, and rotating shafts of the bearing seats are fixedly provided with one ends of swing arms. The other ends of the swing arms are fixedly provided with the same assembling table, a worm gear motor is fixedly installed on the upper side of the platform of one electric lifting table, and an output shaft of the worm gear motor is connected with a rotating shaft of the bearing seat on the same side. The same fluency frame is installed between the pair of transmission mechanisms, a part box is placed in the fluency frame, and a platform of the electric lifting platform is connected and assembled with the transmission mechanism on the same side. According to the utility model, the swing and lifting of the assembly table can be realized, assembly personnel can be always kept to carry out assembly operation in a standing posture in the assembly process, and the labor intensity is reduced; and the fluency rack can lift the corresponding part boxes in a matched manner, so that the parts can be taken conveniently, quickly and accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembly, in particular to the tool for pole-mounted circuit breaker assembly. BACKGROUND

[0002] As the key equipment of power distribution system, the pole-mounted circuit breaker needs to consider high-voltage insulation, fast arc extinguishing, reliable operation and environmental adaptability in its structural design, mainly including arc extinguishing chamber, insulating column, operating mechanism (realizing fast opening and closing), transmission mechanism (transferring power to movable contact of arc extinguishing chamber) and mechanism box and other components.

[0003] At present, in the process of assembling the pole-mounted circuit breaker, a workbench composed of bearing seat, manual worm reducer and assembly table is often used. The assembly table is fixedly installed between the rotating shaft of the bearing seat and the output shaft of the manual worm reducer through the swing arm. The assembly personnel can adjust the assembly table to swing forward or backward and position by rotating the hand wheel of the manual worm reducer, which is convenient for adjusting the best assembly angle to improve the assembly efficiency.

[0004] However, the height of the assembly table is fixed. When assembling the bottom components, the assembly personnel needs to bend down greatly, and gradually recovers the standing posture as the assembly height of the components increases, which is high in labor intensity in the early stage. In addition, the components are stored in multiple component boxes and placed on the surrounding shelves, which is time-consuming and laborious to take back and forth. When directly placing multiple component boxes beside the assembly personnel for use, too much space is occupied, and the placement order is chaotic, which is not convenient for accurate picking.

[0005] Therefore, in order to solve the above problems, the tool for pole-mounted circuit breaker assembly is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing the tool for pole-mounted circuit breaker assembly to solve the problems in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: the tool for pole-mounted circuit breaker assembly, including the base, the upper side of the base is fixedly installed with a pair of electric lifting platform and a pair of transmission mechanism, the platform upper side of the electric lifting platform is fixedly installed with the bearing seat, the rotating shaft of the bearing seat is fixedly installed with one end of the swing arm, and the other end of the swing arm is fixedly installed with the same assembly table, the platform upper side of one of the electric lifting platform is fixedly installed with the worm reducer motor, and the output shaft of the worm reducer motor is connected with the rotating shaft of the same side bearing seat; the transmission mechanism is located on the side of the electric lifting platform away from the assembly table, the same flow rack is installed between a pair of the transmission mechanism, the component box is placed in the flow rack, the flow rack is located at the rear side of the electric lifting platform, and the platform of the electric lifting platform is connected and assembled with the same side transmission mechanism.

[0008] Specific, the transmission mechanism includes linear bearing and column, both sides of the fluent frame are fixedly installed with linear bearing, the linear bearing is insertedly connected with the column, and the lower end of the column is fixedly assembled with the base.

[0009] Specific, the transmission mechanism further includes a chain wheel, a chain, a first connecting arm and a second connecting arm, the chain wheel is rotatably installed at the both ends of the circumference of each column through a rotating seat, the same chain is connected between the chain wheels at the both ends, one end of the second connecting arm is fixedly installed on the platform of the electric lifting platform, and the other end of the second connecting arm is fixedly assembled with the front part of the same side chain, one end of the first connecting arm is fixedly installed on the linear bearing, and the other end of the first connecting arm is fixedly assembled with the rear part of the same side chain.

[0010] Further, one or a pair of centrifugal brakes are fixedly installed on the upper side of the base, and the centrifugal brakes are connected and assembled with the chain wheels at the lower ends of the columns.

[0011] Further, a pair of protection boxes are fixedly installed on the upper side of the base, and the transmission mechanism and the centrifugal brakes are located in the same side protection box.

[0012] Specifically, the front side of one of the protection boxes is fixedly installed with a controller, and the protection box is rotatably installed with a protective cover through a torsion hinge, and when the protective cover is buckled on the protection box, the controller is located in the protective cover.

[0013] Specifically, the assembly table is provided with four screw holes, and the four screw holes are distributed in a rectangular array.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1) The assembly table supported by the electric lifting platform, the bearing seat and the worm reduction motor can not only swing but also lift, so that the assembly operation at a high position in the early stage is facilitated, and as the assembly height of the pole-mounted circuit breaker increases, the assembly table can gradually move downwards, so that the assembly personnel can perform the assembly operation in a standing posture, and the labor intensity is reduced.

[0016] 2) Through the transmission of the transmission mechanism, as the height of the electric lifting platform decreases, the fluent frame at the rear side can layer by layer lift the part box corresponding to the assembly step, so that the parts are conveniently and quickly taken. DRAWINGS

[0017] Figure 1 It is a structure schematic front view of the utility model application;

[0018] Figure 2 It is a structure schematic partial cross-sectional view of the transmission mechanism of the utility model;

[0019] Figure 3 It is a structure schematic view of the protective cover from the right view.

[0020] In the figure: 1 base, 2 assembly table, 3 electric lifting platform, 4 transmission mechanism, 41 chain wheel, 42 chain, 43 first connecting arm, 44 linear bearing, 45 stand, 46 second connecting arm, 5 bearing seat, 6 rack, 7 parts box, 8 protective cover, 9 worm reduction motor, 10 protective box, 11 centrifugal brake, 12 screw hole, 13 controller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment content:

[0023] Please refer to Figure 1 , provide a column circuit breaker assembly tool, including base 1, the upper side of base 1 is fixedly installed with a pair of electric lifting platform 3 and a pair of transmission mechanism 4, base 1 is rectangular plate structure, and rectangular array is provided with through hole, screw passes through the through hole can firmly fixed base 1 on the ground of work station, for the structure provided by the upper side provides a stable foundation.

[0024] Electric lifting platform 3 is the existing equipment with shear fork arm, electric cylinder, platform and base structure, shear fork arm cross articulates, shear fork arm is expanded or shrunk by electric cylinder drive, thereby realizing the vertical lifting of platform.

[0025] The upper side of the platform of electric lifting platform 3 is fixedly installed with bearing seat 5, the rotating shaft of bearing seat 5 is fixedly installed with one end of swing arm, and the other end of swing arm is fixedly installed with the same assembly table 2, the upper side of the platform of one electric lifting platform 3 is fixedly installed with worm reduction motor 9, the output shaft of worm reduction motor 9 is connected with the rotating shaft of the same side bearing seat 5.

[0026] Bearing seat 5 can support assembly table 2 through swing arm, thereby allowing assembly table 2 to swing forward and backward, assembly table 2 is used to place the column circuit breaker parts needing assembly, and with the rotation of worm reduction motor 9 output shaft, swing power can be provided to the rotating shaft of the same side bearing seat 5, thereby realizing the adjustment of forward and backward swing assembly table 2, to facilitate the adjustment to the best assembly angle, reduce the assembly difficulty.

[0027] The worm reduction motor 9 is an existing device with an encoder servo motor, a worm and gear reduction box and other components, used to output swing power, and has reverse braking capability.

[0028] The bearing seat 5 is an existing component with a bearing, a seat body and a rotating shaft, the rotating shaft is assembled in the seat body through the bearing, and the rotating shaft connects the swing arm.

[0029] The transmission mechanism 4 is located on the side of the electric lifting platform 3 away from the assembly platform 2, and a same flow rack 6 is installed between a pair of transmission mechanisms 4, a parts box 7 is placed in the flow rack 6, the flow rack 6 is located at the rear side of the electric lifting platform 3, and the platform of the electric lifting platform 3 is connected and assembled with the transmission mechanism 4 on the same side.

[0030] The lifting power of the electric lifting platform 3 can drive the lifting flow rack 6 after being transmitted by the transmission mechanism 4, that is, the flow rack 6 is lowered when the platform of the electric lifting platform 3 is lifted, and the flow rack 6 is raised when the platform of the electric lifting platform 3 is lowered.

[0031] The flow rack 6 is an existing device with a metal frame, a roller track and an inclined shelf, the roller track is installed on the inclined shelf, and the parts box 7 slides forward along the roller track by gravity, the parts are taken out from the front side parts box 7 for use, the empty parts box 7 is unloaded after use, and the parts box 7 containing parts is placed from the rear side when the goods are prepared, so as to realize the function of first-in first-out.

[0032] According to the types and quantities of parts required in different stages of the assembly process of the pole-mounted circuit breaker, the flow rack 6 is provided with at least three layers, and each layer is provided with at least three rows of parts boxes 7, and the number of parts boxes 7 in each row is 1-2, so as to meet the demand of synchronous pole-mounted circuit breaker assembly process with lifting.

[0033] Please refer to Figure 2 , the structure of the transmission mechanism 4:

[0034] The transmission mechanism 4 includes a linear bearing 44 and a column 45, the linear bearing 44 is fixedly installed on both sides of the flow rack 6, the linear bearing 44 is inserted and connected with the column 45, and the lower end of the column 45 is fixedly assembled with the base 1; the column 45 is vertically arranged and guides the linear bearing 44, so as to ensure that the flow rack 6 can be vertically and smoothly lifted.

[0035] The transmission mechanism 4 further comprises a chain wheel 41, a chain 42, a first connecting arm 43 and a second connecting arm 46, the chain wheel 41 is rotatably installed at the circumferential side of each stand 45 through a rotating seat, the same chain 42 is connected between the two end chain wheels 41, one end of the second connecting arm 46 is fixedly installed on the platform of the electric lifting platform 3, and the other end of the second connecting arm 46 is fixedly assembled with the front part of the same side chain 42, one end of the first connecting arm 43 is fixedly installed on the linear bearing 44, and the other end of the first connecting arm 43 is fixedly assembled with the rear part of the same side chain 42.

[0036] The chain 42 can move between the two end chain wheels 41, the stand 45 divides the chain 42 into a front part and a rear part, the moving directions of the front part and the rear part are opposite, the second connecting arm 46 is used for transmitting the lifting power on the electric lifting platform 3 to the front part of the chain 42, and the first connecting arm 43 can transmit the force on the rear part of the chain 42 to the linear bearing 44, so that the lifting of the fluent frame 6 is realized.

[0037] One or a pair of centrifugal brakes 11 are fixedly installed on the upper side of the base 1, and the centrifugal brake 11 is connected and assembled with the chain wheel 41 at the lower end of the stand 45; one centrifugal brake 11 can meet the safety protection requirement, when the electric lifting platform 3 is accidentally damaged to cause the fluent frame 6 or the assembly table 2 to freely fall, the centrifugal brake 11 can timely brake one chain wheel 41 at the lower end, to avoid the accident; when two centrifugal brakes 11 are used, two chain wheels 41 at the lower end can be timely braked, and the protection effect is better.

[0038] The centrifugal brake 11 is an existing device with a centrifugal block, a spring, a brake disc and the like, when the rotating speed exceeds a set threshold value (when the fluent frame or the assembly table freely falls), the centrifugal force overcomes the spring resistance, so that the centrifugal block contacts the brake disc, and the braking is realized through the friction force.

[0039] A pair of protection boxes 10 are fixedly installed on the upper side of the base 1, and the transmission mechanism 4 and the centrifugal brake 11 are located in the same side protection box 10; the protection box 10 is used for isolating and protecting the transmission mechanism 4 and the centrifugal brake 11 in the inside, to avoid the personnel from accidentally touching, and also to avoid the foreign matters from entering between the parts to cause the jam.

[0040] Please refer to Figure 3 , the structure at the controller 13:

[0041] One of the front side of the protection box 10 is fixedly installed with a controller 13, the protection box 10 is rotatably installed with a protective cover 8 through a torsion hinge, the controller 13 is located in the protective cover 8 when the protective cover 8 is buckled on the protection box 10; the torsion hinge is a conventional hinge with a torsion spring and a leaf, and is located at the top of the protective cover 8, used to provide a downward turning force to the protective cover 8, and the buttons on the controller 13 can be controlled only after the protective cover 8 is turned upward for use, and the protective cover 8 is buckled automatically after being released, thereby preventing accidental touch of the buttons.

[0042] The assembly table 2 is provided with four screw holes 12 arranged in a rectangular array, so that the bottom parts can be fixed by screwing with the screw holes 12 when the pole-mounted circuit breaker is initially assembled, thereby avoiding sliding on the assembly table 2 during swing adjustment.

[0043] Working principle of the embodiment:

[0044] Preparation stage: the base 1 is fixed to the ground through the through hole to provide a stable foundation for the overall structure, and the electric lifting platform 3, the worm reduction motor 9 and the controller 13 are electrically connected.

[0045] Pole-mounted circuit breaker preliminary assembly stage: the electric lifting platform 3 is lifted to the highest position by the controller 13, and the fluent rack 6 is lowered to the lowest position by the transmission mechanism 4, so that the assembly personnel can stand and assemble, and the uppermost part box 7 can be easily taken.

[0046] Pole-mounted circuit breaker intermediate assembly stage: the electric lifting platform 3 is lowered to the middle position by the controller 13, and the pole-mounted circuit breaker which is half assembled is still located at a position convenient for assembly, so that the assembly personnel can stand and assemble, and the fluent rack 6 is lifted by a distance to expose the middle part box 7, which is still convenient for the assembly personnel to take.

[0047] Pole-mounted circuit breaker final assembly stage: the electric lifting platform 3 is lowered to the lowest position by the controller 13, and the pole-mounted circuit breaker which is almost assembled is still located at a position convenient for assembly, so that the assembly personnel can stand and assemble, and the fluent rack 6 is lifted to expose the lowermost part box 7, which is still convenient for the assembly personnel to take corresponding parts for assembly, and the finished product can be lifted away by a crane after assembly.

[0048] The output angle of the worm reduction motor 9 can be controlled by the controller 13 throughout the process, so as to swing and adjust the assembly table 2, and the optimal assembly angle can be easily adjusted.

[0049] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims to the features to which the reference signs correspond.

[0050] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A tool for assembling a pole-mounted circuit breaker, characterized by: Including the base (1), the upper side of the base (1) is fixedly installed with a pair of electric lifting platform (3) and a pair of transmission mechanism (4), the platform of the electric lifting platform (3) is fixedly installed with bearing seat (5) on the upper side, the rotating shaft of the bearing seat (5) is fixedly installed with one end of the swing arm, and the other end of the swing arm is fixedly installed with the same assembly table (2), the platform of one of the electric lifting platform (3) is fixedly installed with worm reduction motor (9), the output shaft of the worm reduction motor (9) is connected with the rotating shaft of the same side bearing seat (5); The transmission mechanism (4) is located on the side of the electric lifting platform (3) away from the assembly table (2), a pair of transmission mechanism (4) is installed with the same fluent frame (6) between, the fluent frame (6) is placed with parts box (7) inside, the fluent frame (6) is located at the rear side of the electric lifting platform (3), the platform of the electric lifting platform (3) is connected with the same side transmission mechanism (4).

2. The pole-mounted circuit breaker assembly tooling of claim 1, wherein: The transmission mechanism (4) includes linear bearing (44) and column (45), the two sides of the fluent frame (6) are fixedly installed with linear bearing (44), the linear bearing (44) is inserted and installed with column (45) inside, the lower end of the column (45) is fixedly assembled with the base (1).

3. The pole-mounted circuit breaker assembly tooling of claim 2, wherein: The transmission mechanism (4) further includes sprocket (41), chain (42), first connecting arm (43) and second connecting arm (46), the circumferential side of each column (45) is rotatably installed with sprocket (41) through rotating seat at both ends, the same chain (42) is linked between the sprocket (41) at both ends, the platform of the electric lifting platform (3) is fixedly installed with one end of the second connecting arm (46), and the other end of the second connecting arm (46) is fixedly assembled with the front part of the same side chain (42), the linear bearing (44) is fixedly installed with one end of the first connecting arm (43), and the other end of the first connecting arm (43) is fixedly assembled with the rear part of the same side chain (42).

4. The pole-mounted circuit breaker assembly tooling of claim 3, wherein: The upper side of the base (1) is fixedly installed with one or a pair of centrifugal brake (11), the centrifugal brake (11) is connected with the sprocket (41) at the lower end of the column (45).

5. The pole-mounted circuit breaker assembly tooling of claim 4, wherein: The upper side of the base (1) is fixedly installed with a pair of protective box (10), the transmission mechanism (4) and the centrifugal brake (11) are located in the same side protective box (10).

6. The pole-mounted circuit breaker assembly tooling of claim 5, wherein: The front side of one of the protective box (10) is fixedly installed with controller (13), the protective box (10) is rotatably installed with protective cover (8) through torsion hinge, the controller (13) is located in the protective cover (8) when the protective cover (8) is buckled on the protective box (10).

7. The pole-mounted circuit breaker assembly tooling of claim 1, wherein: The assembly table (2) is provided with four screw holes (12), and the four screw holes (12) are arranged in a rectangular array.

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