CN212990959U

CN212990959U - Driving mechanism of plum blossom contact dismouting device

Info

Publication number: CN212990959U
Application number: CN202021156305.9U
Authority: CN
Inventors: 林振衡; 庄建煌; 庄祎
Original assignee: Putian University; Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
Current assignee: Putian University; Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-04-16
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a driving mechanism of a plum blossom contact disassembling and assembling device; the device comprises a turntable and a fixed disk positioned below the turntable, wherein the bottom surface of the turntable is provided with Archimedes spiral lines, the top surface of the fixed disk is provided with a plurality of tracks, the device also comprises a plurality of sliding blocks, one sliding block is arranged corresponding to one track, the sliding blocks are movably arranged in the tracks, the top surface of each sliding block is provided with a spiral groove which is spirally matched with the Archimedes spiral lines, and the outer ends of the sliding blocks extend out of the side surface of the fixed disk; the turntable is rotated in the forward direction, and the sliding block gradually slides out of the track; this carousel of antiport, this track is gradually retracted to this slider, adopts the utility model discloses a dismouting device, quick effectual plum blossom contact of pulling down. By adopting the plum blossom contact dismounting device, the dismounting device can be driven by rotating, the transmission is stable and is not blocked, and the operation is rapid and labor-saving.

Description

Driving mechanism of plum blossom contact dismouting device

Technical Field

The utility model relates to a plum blossom contact dismouting device, in particular to actuating mechanism of plum blossom contact dismouting device.

Background

The plum blossom contact is one of the more commonly used parts in high-voltage electrical apparatus, is used for the movable contact arm and the static contact device of electric power industry circuit breaker of electrical connection, and the plum blossom contact includes upper clamping apparatus, lower clamping apparatus, a plurality of contact blades and the many rings of springs in the contact blade outside that the ring-type was placed. When the movable contact is used on a switch cabinet, the front side of the plum blossom-shaped contact is sleeved on the movable contact arm, the static contact is inserted from the rear side of the plum blossom-shaped contact, wherein the static contact needs to be inserted or pulled out for multiple times, and the conducting layer of the inner side wall of the contact plate placed in a ring shape in the plugging and pulling process continuously falls off, so that the plum blossom-shaped contact is damaged and aged, and therefore, the movable contact needs to be maintained or replaced frequently.

However, considering the special structure of the tulip contact, the disassembly and assembly are difficult. The traditional mode is, directly pry open the spring of the rear side of plum blossom contact, then, press hard at the plum blossom contact front side, overcome the tight power of restrainting of the spring of front side simultaneously and strut the contact, accomplish the dismouting, this kind of mode generally need cause the contact to take place to warp easily, leads to conducting part contact failure, the plum blossom contact breaks down etc. trouble, produces the potential safety hazard, needs many people to cooperate simultaneously, the step is loaded down with trivial details, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drive mechanism of plum blossom contact dismouting device to prior art problem, its transmission is stable not the bite.

The utility model provides an adopted technical scheme of its technical problem is:

a driving mechanism of a plum blossom contact disassembling and assembling device; the device comprises a turntable and a fixed disk positioned below the turntable, wherein Archimedes spiral lines are arranged on the bottom surface of the turntable, the Archimedes spiral lines gradually diffuse towards the outer side of the turntable by taking the center of the bottom surface of the turntable as a starting point, a plurality of tracks are arranged on the top surface of the fixed disk, the plurality of tracks are uniformly distributed in a radial mode by taking the center of the top surface of the fixed disk, the outer ends of the tracks extend to the side surface of the fixed disk, the device also comprises a plurality of sliding blocks, one sliding block is arranged corresponding to one track, the sliding blocks are movably arranged in the tracks, spiral grooves spirally matched with the Archimedes spiral lines are arranged on the top surface of each sliding block, and the outer ends of the sliding blocks extend out of the.

In a preferred embodiment, the rotary table further comprises a rotating rod connected to the center of the bottom surface of the rotary table, the rotating rod is perpendicular to the rotary table, a through hole is formed in the middle of the fixed table, the rotating rod penetrates through the through hole downwards, and a bearing is arranged between the fixed table and the rotating rod.

In a preferred embodiment, the locking structure locks the turntable and the fixed disk together to keep the Archimedes spiral screwed with the screw groove.

In a preferred embodiment, the locking structure comprises a clamping groove arranged on the rotating rod and a clamping spring buckled on the clamping groove, and the clamping spring abuts against the bottom surface of the fixed disk.

In a preferred embodiment, the archimedean spiral of the turntable is self-locking with the groove of the slider.

In a preferred embodiment, the lower end of the rotating rod is a regular hexagonal prism.

Compared with the background art, the utility model, it has following advantage:

the utility model discloses a dismouting device can follow in the rear side inserts plum blossom contact, then, rotate drive arrangement's carousel, because the spiral groove joint of archimedes spiral on the carousel and slider, the slider stretches out the lateral wall of fixed disk and slowly pushes up the inside wall at the contact to gently open the contact smoothly, and is further, take off the plum blossom contact from the moving contact arm with the plum blossom contact, overhaul or change, rotate alright drive dismouting device, the transmission is stable not puckery, and swift, laborsaving. Compare with the background art, the dismouting in-process need not strut the contact, and is low to the damage of contact, single alright operation, improves work efficiency, shortens dismouting work required time greatly.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 shows the explosion of the driving mechanism of the plum blossom contact disassembling and assembling device of the present invention.

Fig. 2 is a three-dimensional view of the driving mechanism of the tulip contact dismounting device of the present invention.

Fig. 3 is a schematic view of the fixing disc of the driving mechanism of the plum blossom contact disassembling and assembling device of the present invention.

Reference numerals: 100 turntables, 110 Archimedes spiral threads, 200 fixed disks, 210 tracks, 220 sliding blocks, 221 screw grooves, 222 top blocks, 300 rotating rods, 310 clamp springs and 320 regular hexagonal prisms.

Detailed Description

Referring to fig. 1 to 3, the present invention relates to a driving mechanism of a device for mounting and dismounting a tulip contact; the bottom surface of the rotating disc 100 is provided with an Archimedes spiral 110, the Archimedes spiral 110 gradually spreads towards the outer side of the rotating disc 100 by taking the center of the bottom surface of the rotating disc 100 as a starting point, and the Archimedes spiral 110 is a track generated by rotating a point away from a fixed point at a constant speed and simultaneously rotating around the fixed point at a fixed angular speed. The top surface of the fixed disk 200 is provided with a plurality of rails 210, the rails 210 are uniformly distributed in a radial shape at the center of the top surface of the fixed disk 200, and the outer ends of the rails 210 extend to the side of the fixed platter 200, and a plurality of sliders 220, one slider 220 being positioned corresponding to one rail 210, the sliding block 220 is movably arranged in the track 210, the top surface of the sliding block 220 is provided with a spiral groove 221 which is screwed with the Archimedes spiral 110, the archimedean spiral 110 of the turntable 100 is self-locking with the groove 221 of the slider 220, the outer end of the sliding block 220 is extended out of the side of the fixed disk 200, and, the outer end of the sliding block 220 is provided with a top block 222, the top block 222 has an arc-shaped structure and is disposed along a circumferential direction of the outer side surface of the fixed disk 200, the top block 222 is used for increasing the stress area of the contact piece, so that the contact piece can be smoothly unfolded, and an arc-shaped accommodating groove is formed along the outer side surface of the fixed disk 200 corresponding to the top block 222; when the turntable 100 is rotated in the forward direction, the slider 220 gradually slides out of the track 210; this carousel 100 of antiport, this slider 220 gradually retracts into this track 210, rotates alright this dismouting device of drive to gently open the contact smoothly, further, take off the plum blossom contact from the moving contact arm with the plum blossom contact, overhaul or change, the device transmission is stable, swift, laborsaving. The locking device further comprises a rotating rod 300 connected to the center of the bottom surface of the rotating disc 100, wherein the rotating rod 300 is perpendicular to the rotating disc 100, a through hole is formed in the middle of the fixed disc 200, the rotating rod 300 penetrates through the through hole downwards, a bearing is arranged between the fixed disc 200 and the rotating rod 300, and the locking device is used for locking the rotating disc 100 and the fixed disc 200 together to keep the Archimedes spiral 110 and the spiral groove 221 to be screwed. The lower end of the rotating rod 300 is a regular hexagonal prism 320, the regular hexagonal prism 320 can be rotated by a handle, and the rotating rod is rotated by a wrench to drive the rotating disc 100 to rotate and drive the sliding block 220 to slide.

In this embodiment, the locking structure includes a locking groove disposed on the rotating rod 300 and a locking spring 310 fastened to the locking groove, and the locking spring 310 abuts against the bottom surface of the fixed disk 200.

In this embodiment, there are 6 tracks 210 and 6 sliders 220. The turntable 100 and the fixed disk 200 are both circular, and correspondingly, the top block 222 is of an arc-shaped structure, and in actual processing, the turntable and the fixed disk can also be polygonal such as quadrangle or hexagon according to needs, and correspondingly, the top block 222 is of a rectangular structure.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. The utility model provides a drive mechanism of plum blossom contact dismouting device which characterized in that: the device comprises a turntable and a fixed disk positioned below the turntable, wherein Archimedes spiral lines are arranged on the bottom surface of the turntable, the Archimedes spiral lines gradually diffuse towards the outer side of the turntable by taking the center of the bottom surface of the turntable as a starting point, a plurality of tracks are arranged on the top surface of the fixed disk, the plurality of tracks are uniformly distributed in a radial mode by taking the center of the top surface of the fixed disk, the outer ends of the tracks extend to the side surface of the fixed disk, the device also comprises a plurality of sliding blocks, one sliding block is arranged corresponding to one track, the sliding blocks are movably arranged in the tracks, spiral grooves spirally matched with the Archimedes spiral lines are arranged on the top surface of each sliding block, and the outer ends of the sliding blocks extend out of the.

2. The driving mechanism of the tulip contact disassembling and assembling device as claimed in claim 1, wherein: the rotary table further comprises a rotary rod connected to the center of the bottom surface of the rotary table, the rotary rod is perpendicular to the rotary table, a through hole is formed in the middle of the fixed disc, the rotary rod penetrates through the through hole downwards, and a bearing is arranged between the fixed disc and the rotary rod.

3. The driving mechanism of the tulip contact disassembling and assembling device as claimed in claim 2, wherein: the locking structure locks the turntable and the fixed disk together to keep the Archimedes spiral and the spiral groove screwed together.

4. The driving mechanism of the tulip contact disassembling and assembling device as claimed in claim 3, wherein: this locking structure is including setting up draw-in groove and the jump ring of lock joint on this draw-in groove on this bull stick, and this jump ring supports and leans on the bottom surface at this fixed disk.

5. The driving mechanism of the tulip contact disassembling and assembling device as claimed in claim 1, wherein: the Archimedes spiral of the turntable and the screw groove of the sliding block have self-locking property.

6. The driving mechanism of the tulip contact disassembling and assembling device as claimed in claim 2, wherein: the lower end of the rotating rod is a regular hexagonal prism.