CN217822536U - Three-station mechanism with single coil for controlling mechanical positioning - Google Patents

Abstract

The utility model discloses a three station mechanisms of single coil control machinery location in medium voltage switch technical field, including worm wheel, worm, mechanical positioner, motor, auxiliary switch auto-change over device, manually operation locking device and panel, the anterior segment cover of worm has bevel gear, bevel gear and motor go up from the motor bevel gear meshing of taking and be connected, and worm wheel meshing are connected, worm wheel and output shaft fixed connection, output shaft and mechanical positioner and switching board fixed connection, mechanical positioner include positioning wheel, positioning support and the trigger coil and the magnetic blow switch at positioning support both ends, and are equipped with sincere son and positioning roller in the positioning support, and auxiliary switch auto-change over device includes auxiliary switch, switching dish and switching board, manually operation locking device includes slide and cardboard, the utility model discloses can realize the mechanism to the locking of three position and reach the different requirements of isolation side switching-on and switching-off and ground connection side switching-on and switching-off output angle.

Description

Three-station mechanism with single coil for controlling mechanical positioning

Technical Field

The utility model relates to a medium voltage switch technical field specifically is a three station mechanisms of single coil control mechanical positioning.

Background

According to the latest requirements of a national power grid on the operation of a power station, on the premise that a medium-voltage switch normally operates under specific conditions, different requirements are provided for the output angle required by the isolation and grounding of a body, and meanwhile, a mechanism is required to have three positions for accurate positioning, and the functions of strong locking force and high reliability are required.

Although the output angle of the existing mechanism can meet the requirement of a body, the mechanism has the defects of insufficient functions of positioning and locking force of three positions and insufficient practicability, and therefore, the three-station mechanism with the single coil for controlling mechanical positioning is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three station mechanisms of single coil control mechanical positioning to the mechanism that proposes among the above-mentioned background art is to the location and the locking power function problem of lacking of three position.

In order to achieve the above object, the utility model provides a following technical scheme:

a three-station mechanism with single coil for controlling mechanical positioning comprises a worm gear, a worm, a mechanical positioning device, a motor, an auxiliary switch switching device, a manual operation locking device and a panel, wherein a bevel gear is sleeved on the front section of the worm, the bevel gear is meshed with a motor bevel gear arranged on the motor, the worm is meshed with the worm gear, the worm gear is fixedly connected with an output shaft, the output shaft is fixedly connected with the mechanical positioning device and a switching plate, the mechanical positioning device comprises a positioning wheel, a positioning support, and a trigger coil and a magnetic blow switch which are arranged at two ends of the positioning support, a pawl and a positioning roller are arranged in the positioning support, the auxiliary switch switching device comprises an auxiliary switch, a switching disc and a switching plate, and the manual operation locking device comprises a sliding plate and a clamping plate.

Further: the positioning wheel is provided with three groups of grooves which are matched with the positioning wheel, and one side of the pawl is connected with an ejector rod.

And further: and the two sides of the rear part of the switching plate are provided with a switching plate, an isolation auxiliary switch and a grounding auxiliary switch, and the outer side of the switching plate is connected with an output shaft.

Further: the sliding plate is attached and connected with a switching plate.

Further: the bottom of cardboard is connected with extension spring, support and cylindric lock, one side of support is connected with manual operation pole.

Further: the upper side of the switching plate is provided with a switch support, an interlocking plate and a panel are arranged above the clamping plate, a handle rod is installed on one side of the panel, a controller is arranged on one side of the auxiliary switch, and an unlocking knob and a manual driving lever are arranged on the controller.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up locating wheel, location support, trigger coil, magnetic blow switch, sincere son, positioning roller and design into the recess that can satisfy three station on the locating wheel circumference, can realize the locking of mechanism to three position and reach the different requirements of isolation side switching-on and switching-off and ground connection side switching-on and switching-off output angle; three limiting pins on the switching plate and a switching disc arranged on the auxiliary switch achieve the switching and locking functions of the auxiliary switch through mechanical transmission; the three limit pins on the switching plate also realize the positioning function of the mechanism during manual operation through mechanical transmission.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a side view of the present invention;

fig. 4 is a rear view structure diagram of the present invention;

FIG. 5 is a schematic structural view of the mechanical positioning device of the present invention;

fig. 6 is a schematic structural view of the auxiliary switch switching device of the present invention;

fig. 7 is a schematic structural view of the manual locking device of the present invention.

In the figure: 1. an output shaft; 2. a worm; 3. a bevel gear; 4. a motor bevel gear; 5. a worm gear; 6. positioning wheels; 7. a switch bracket; 8. a switch board; 9. a switching disc; 10. an auxiliary switch; 11. a controller; 12. a motor; 13. an interlock plate; 14. a panel; 15. a slide plate; 16. clamping a plate; 17. an unlocking knob; 18. a manual deflector rod; 19. a handle bar; 20. a magnetic blow switch; 21. a top rod; 22. positioning a roller; 23. positioning a support; 24. sincere son; 25. a trigger coil; 30. an isolation auxiliary switch; 31. a grounding auxiliary switch; 35. a tension spring; 36. a support; 37. a cylindrical pin; 39. a manual operating lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-7, the present invention provides a technical solution:

a three-station mechanism for mechanically positioning by single coil control comprises a worm wheel 5, a worm 2, a mechanical positioning device, a motor 12, an auxiliary switch switching device, a manual operation locking device and a panel 14, wherein a bevel gear 3 is sleeved on the front section of the worm 2, the bevel gear 3 is meshed with a motor bevel gear 4 arranged on the motor 12, the worm 2 is meshed with the worm wheel 5, the worm wheel 5 is fixedly connected with an output shaft 1, the output shaft 1 is fixedly connected with the mechanical positioning device and a switching plate 8, the mechanical positioning device comprises a positioning wheel 6, a positioning support 23, a trigger coil 25 and a magnetic blow switch 20 which are arranged at two ends of the positioning support 23, a pawl 24 and a positioning roller 22 are arranged in the positioning support 23, the auxiliary switch switching device comprises an auxiliary switch 10, a positioning disc 9 and a switching plate 8, and the manual operation locking device comprises a switching slide plate 15 and a clamping plate 16;

as can be seen from fig. 1-4, the front view of the mechanism is sequentially from back to front as an output end (output shaft 1), a motor worm wheel 5 and worm 2 input mechanism, a trigger coil 25, a mechanical positioning device, an auxiliary switch switching device, a manual operation locking device and a panel module with operation and display;

as shown in fig. 5, the magnetic blow switch 20 and the trigger coil 25 for controlling the operation of the motor 11 are respectively disposed at two sides of the positioning support 23, the positioning support 23 is internally provided with a pawl 24, the output shaft 1 is provided with a positioning roller 22, and the positioning roller 6 is disposed below the positioning support 23, thereby integrally forming a mechanical positioning structure device; the trigger coil 25 is electrified, the pawl 24 is opened, the magnetic blow switch 20 is switched on through the ejector rod 21, the motor 12 works to drive the positioning wheel 6 to rotate, the positioning roller 22 is extruded out of a groove in the positioning wheel 6, the positioning roller 22 enters another groove on the positioning wheel 6 after the pawl is lifted, meanwhile, the ejector rod 21 cuts off the magnetic blow switch 20 through the reset spring, the motor 12 stops, the action process from one station to another station is completed, and the pawl 24 abuts against the positioning roller 22 at the moment, so that the positioning wheel 6 is locked, and mechanical positioning is achieved.

As can be seen from fig. 6, one end of the output shaft 1 is provided with a switching plate 8, the switching plate 8 is provided with three cylindrical pins 37 at the side close to the auxiliary switches 10, and one ends of the two auxiliary switches 10 are respectively provided with a switching disc 8, so that the auxiliary switch switching structure device is integrally formed; when the output shaft 1 rotates, the switching plate 8 rotates in the same direction, one cylindrical pin 37 in front of the switching plate 8 falls into the long groove of one of the switching disks 8, so that the switching disk 8 and the auxiliary switch 10 are driven to rotate, and the other switching disk 8 cannot rotate, so that only one auxiliary switch 10 can rotate, and after the output shaft moves in place, the other cylindrical pin 37 on the switching disk 8 still can be clamped into the short groove of the other switching disk 9, so that the two auxiliary switches 10 are locked and cannot rotate.

As can be seen from FIG. 7, one end of the output shaft 1 is provided with a switching plate 8, a cylindrical pin 37 is arranged on the switching plate 8, a sliding plate 15 is arranged on the lower side, a tension spring 35 pulls the sliding plate 15 to enable the sliding plate 15 to be always tightly attached to the cylindrical pin 37, and the clamping plate 16 is fixed with the sliding plate 15 through a support 36; the output shaft 1 and the switching plate 8 move the sliding plate 15 and the clamping plate 16 mutually, and the cylindrical pins 37 on the switching plate 8 respectively fall into three grooves on the inner side of the sliding plate 15; when the switching plate 8 is switched on and off along with the mechanism output shaft 1, the cylindrical pins 37 on the switching plate 8 can also slide out of the three grooves of the sliding plate 15, at the moment, the sliding plate 15 is propped against by the switching plate 8, and the semicircular notch at the end part of the clamping plate 16 enters the circle of groove of the manual operating rod 39, so that the manual operating rod 39 cannot be pulled out; after the mechanism moves to the closing (opening) position, the cylindrical pin 37 on the switching plate 8 falls into one of the grooves on the inner side of the sliding plate 15, the semicircular notch at the end part of the clamping plate 16 runs out of one circle of the groove of the manual operating rod 39, and the manual operating rod 39 can be drawn out.

Wherein, preferentially, be equipped with three groups of recesses on the locating wheel 6, and three groups of recesses and locating wheel 6 phase-matchs, one side of sincere son 24 is connected with ejector pin 21, and locating roller 22 gets into the recess on the locating wheel 6 when locating wheel 6 rotates, and sincere son 24 withstands locating roller 22 simultaneously, pins locating wheel 6, has just also fixed three positions of mechanism.

When the mechanism is operated, the trigger coil 25 pushes the pawl 24 open, the magnetic blow switch 20 of the motor 12 is controlled to be switched on, the motor 12 drives the mechanism to act, the positioning roller 22 enters the other groove of the positioning wheel 6 when the mechanism is in place, the pawl 24 is reset to push the positioning roller 22, the magnetic blow switch 20 of the motor 12 is controlled to be switched off, and the mechanism acts over.

Preferably, the switching plate 8 is provided with a switching plate 9, an isolation auxiliary switch 30 and a grounding auxiliary switch 31 at two sides of the rear thereof, the outer side of the switching plate 8 is connected with the output shaft 1, and the switching plate 8 drives the switching plate 8 mounted on the auxiliary switch 10 when rotating, so that the auxiliary switch 10 rotates by a specific angle to complete signal switching.

Preferably, the slide plate 15 is connected with the switching plate 8 in a fitting manner, a circle of groove is formed at the lower end of the manual operating rod 39 and faces the clamping plate 16, the bottom of the clamping plate 16 is connected with the tension spring 35, the support 36 and the cylindrical pin 37, one side of the support 36 is connected with the manual operating rod 39, and the side face of the clamping plate 16 can be clamped into the groove in the manual operating rod 39; in the manual operation process, if the clamping plate 16 is clamped into the groove of the manual operating rod 39 when one of the three positions is not reached, namely when the position is midway, the manual operating rod 39 cannot be pulled out, and the clamping plate 16 runs out of the groove of the manual operating rod 39 when the position is shaken, so that the manual operating rod 39 can be pulled out.

Preferably, the upper side of the switching plate 8 is provided with a switch bracket 7, the upper side of the clamping plate 16 is provided with an interlocking plate 13 and a panel 14, one side of the panel 14 is provided with a handle rod 19, one side of the auxiliary switch 10 is provided with a controller 11, and the controller 11 is provided with an unlocking knob 17 and a manual deflector rod 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a three station mechanisms of single coil control mechanical positioning, includes worm wheel (5), worm (2), mechanical positioning device, motor (12), auxiliary switch auto-change over device, manually operation locking means and panel (14), its characterized in that: the front section of the worm (2) is sleeved with a bevel gear (3), the bevel gear (3) is meshed with a motor bevel gear (4) on a motor (12), the worm (2) is meshed with a worm wheel (5), the worm wheel (5) is fixedly connected with an output shaft (1), the output shaft (1) is fixedly connected with a mechanical positioning device and a switching plate (8), the mechanical positioning device comprises a positioning wheel (6), a positioning support (23), and a trigger coil (25) and a magnetic blow switch (20) which are arranged at two ends of the positioning support (23), a pawl (24) and a positioning roller (22) are arranged in the positioning support (23), the auxiliary switch switching device comprises an auxiliary switch (10), a switching disc (9) and a switching plate (8), and the manual operation locking device comprises a sliding plate (15) and a clamping plate (16).

2. A single coil controlled mechanically positioning three position mechanism as claimed in claim 1, wherein: the positioning wheel (6) is provided with three groups of grooves which are matched with the positioning wheel (6), and one side of the engine (24) is connected with an ejector rod (21).

3. A single coil controlled mechanical positioning three-position mechanism as claimed in claim 1, wherein: and a switching plate (9), an isolation auxiliary switch (30) and a grounding auxiliary switch (31) are arranged on two sides of the rear part of the switching plate (8), and an output shaft (1) is connected to the outer side of the switching plate (8).

4. A single coil controlled mechanical positioning three-position mechanism as claimed in claim 1, wherein: the sliding plate (15) is attached and connected with a switching plate (8).

5. A single coil controlled mechanically positioning three position mechanism as claimed in claim 1, wherein: the bottom of cardboard (16) is connected with extension spring (35), support (36) and cylindric lock (37), one side of support (36) is connected with manual lever (39).

6. A single coil controlled mechanical positioning three-position mechanism as claimed in claim 1, wherein: switch board (8)'s upside is equipped with switch support (7), the top of cardboard (16) is equipped with interlocking board (13) and panel (14), handle pole (19) are installed to one side of panel (14), one side of auxiliary switch (10) is equipped with controller (11), and is equipped with unblock knob (17) and manual driving lever (18) on controller (11).

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