CN210431121U

CN210431121U - Limiting device for output shaft of quick grounding mechanism

Info

Publication number: CN210431121U
Application number: CN201921662396.0U
Authority: CN
Inventors: 胡嘉新; 施俊杰
Original assignee: Yuyao Huayu Electric Co ltd
Current assignee: Yuyao Huayu Electric Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-04-28
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a stop device of quick ground mechanism output shaft relates to the stop device field, including framework and output shaft, the output shaft rotates and sets up on the framework, cup joint through the bearing on the output shaft and be provided with the worm wheel, the top of worm wheel is provided with spacing piece, and spacing piece is fixed to be set up on the output shaft, the arc wall has been seted up on the worm wheel in addition, and the arc wall internalization is provided with the loose pin, and the loose pin sets up and cooperatees in one side and spacing piece of spacing piece, one side of output shaft is provided with elastic component for the below that is located the worm wheel, an end fixing of elastic component is provided with the driven pin. The utility model discloses a can be under the condition of not dismantling the mechanism output shaft, not change the angle of mechanism, realize the output shaft spacing, it is convenient simple and easy, can satisfy different users' characteristic requirement, guaranteed swift and convenient in the aspect of maintaining, great time of spending when having shortened the mechanism adjustment and having maintained.

Description

Limiting device for output shaft of quick grounding mechanism

Technical Field

The utility model relates to a stop device field, in particular to stop device of quick ground mechanism output shaft.

Background

The limiting device of the existing spring mechanism can only be installed when the mechanism is initially installed, cannot be adjusted when the mechanism is installed on a load switch, and needs a lot of time to disassemble other matching parts in the mechanism (as shown in figure 10). Therefore, it is necessary to provide a limiting device for an output shaft of a quick grounding mechanism to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stop device of quick ground connection mechanism output shaft to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a limiting device of an output shaft of a quick grounding mechanism comprises a frame and an output shaft, wherein the output shaft is rotatably arranged on the frame, a worm wheel is sleeved on the output shaft through a bearing, a limiting plate is arranged at the top end of the worm wheel and fixedly arranged on the output shaft, in addition, an arc-shaped groove is formed in the worm wheel, a movable pin is movably arranged in the arc-shaped groove, the movable pin is arranged on one side of the limiting plate and matched with the limiting plate, an elastic component is arranged on one side of the output shaft and positioned below the worm wheel, a driven pin is fixedly arranged at one end part of the elastic component, driven crank arms are respectively arranged on two sides of the end part of the elastic component, one ends of the driven crank arms are fixedly arranged on the driven pin, the other ends of the driven crank arms are fixedly arranged on the output shaft through the bearing, and a, and bearing seats are fixedly arranged at two ends of the worm through two bearings, and the bearing seats are fixedly arranged on a bottom plate of the mechanical frame.

Preferably, an angle steel is fixedly arranged on the machine frame through a bolt, oil buffers are arranged at two ends of the angle steel, a crank arm is arranged at one end of each oil buffer, and the crank arm is fixedly arranged on the output shaft through a flat key.

Preferably, a motor is fixedly arranged on the mechanism frame, a motor gear is arranged at the output end of the motor, the motor gear is fixed on the motor through a shaft, a retainer ring and a flat key combination, the motor gear is meshed with a gear, and the gear is fixed on one end of the worm through the shaft, the retainer ring and the flat key combination.

Preferably, the elastic assembly comprises a lower spring seat, an upper spring seat and an energy storage spring, one end of the upper spring seat is movably clamped in the lower spring seat, the lower spring seat is fixed on the framework through two pins, one end of the upper spring seat is fixedly arranged on the driven pin, and the energy storage spring is fixedly arranged between the lower spring seat and the upper spring seat.

Preferably, the one end of activity round pin is provided with fixed cover, and the activity round pin is fixed through fixed cover and sets up on the framework, fixed reset spring that is provided with in the inner chamber of fixed cover, and the one end of activity round pin extends to and cooperatees with reset spring in the inner chamber of fixed cover.

Preferably, the spacing piece comprises first spacing piece or the spacing piece of second, wherein first spacing piece includes spacing bolt and first spacing ring, the bottom at first spacing ring is passed through the bolt fastening to the spacing bolt, and one side integration of first spacing ring is provided with first spacing arch, and the spacing piece of second includes second spacing ring and the spacing arch of second, the spacing protruding fixed joint of second is in one side of second spacing ring, and the recess with activity round pin matched with has been seted up to the spacing bellied one side of second.

The utility model discloses a technological effect and advantage:

the utility model designs a mechanism which can realize the limit of the output shaft without changing the angle of the mechanism under the condition of not disassembling the output shaft of the mechanism, is convenient and simple, can meet the characteristic requirements of different users, ensures the rapidness and convenience in maintenance, and greatly shortens the time spent in mechanism adjustment and maintenance; the elastic assembly is released by the positive and negative rotation of the motor, and the limit sheet is used for eliminating the misoperation of the output shaft caused by the energy storage of the elastic assembly when the motor rotates; in addition, the device has simple structure and convenient operation.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic structural view of the first limiting plate of the present invention.

Fig. 4 is a schematic view of the structure of the limit bolt of the present invention.

Fig. 5 is a schematic view of a first limit ring structure according to the present invention.

Fig. 6 is a schematic diagram of the second position-limiting piece and the structure thereof during closing.

Figure 7 is a schematic diagram of a second limit ring structure of the present invention

FIG. 8 is a schematic structural view of a second limiting protrusion of the present invention

FIG. 9 is a schematic structural view of the mechanism of the present invention in the brake-off position

Fig. 10 is a schematic structural view of a conventional limiting device of a spring mechanism according to the present invention.

In the figure: 1. a frame; 2. an output shaft; 3. a worm gear; 4. a limiting sheet; 41. a first limiting sheet; 4101. A limit bolt; 4102. a first limit ring; 4103. a first limit protrusion; 42. a second limiting sheet; 4201. a second stop collar; 4202. a second limit bulge; 5. a movable pin; 6. an elastic component; 61. a spring lower seat; 62. a spring upper seat; 63. an energy storage spring; 7. a follower pin; 8. a driven crank arm; 9. a bearing seat; 10. a worm; 11. angle steel; 12. oil buffering; 13. a crank arm; 14. a motor; 15. a gear; 16. And (4) fixing sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

The utility model provides a stop device as shown in fig. 1 to fig. 9 of quick ground connection mechanism output shaft, including framework 1 and output shaft 2, output shaft 2 rotates and sets up on framework 1, utilize framework 1's setting, make the overall fixing of ground connection structure's inner structure on framework 1, it is provided with worm wheel 3 to cup joint through the bearing on output shaft 2, the top of worm wheel 3 is provided with spacing 4, and spacing 4 is fixed to be set up on output shaft 2, the arc wall has been seted up on worm wheel 3 in addition, and the arc wall internalization is provided with loose pin 5, and loose pin 5 sets up and cooperatees in one side and spacing 4 of spacing 4, cooperate the setting through spacing 4 and loose pin 5, can reach the limiting displacement of fixed spacing 4, thereby can organize output shaft 2 and rotate.

More specifically, the limiting piece 4 is composed of a first limiting piece 41 or a second limiting piece 42, wherein the first limiting piece 41 includes a limiting bolt 4101 and a first limiting ring 4102, the limiting bolt 4101 is fixed at the bottom of the first limiting ring 4102 through a bolt, a first limiting protrusion 4103 is integrally arranged on one side of the first limiting ring 4102, the second limiting piece 42 includes a second limiting ring 4201 and a second limiting protrusion 4202, the second limiting protrusion 4202 is fixedly clamped on one side of the second limiting ring 4201, and a groove matched with the movable pin 5 is formed on one side of the second limiting protrusion 4202; through the arrangement, when the device is used, a user can select the first limiting piece 41 or the second limiting piece 42 according to the requirement of the user, and the diversity of the structure is further improved.

In addition, an elastic component 6 is arranged on one side of the output shaft 2 and positioned below the worm wheel 3, a driven pin 7 is fixedly arranged at one end of the elastic component 6, driven crank arms 8 are arranged on two sides of the end of the elastic component 6, one end of each driven crank arm 8 is fixedly arranged on the driven pin 7, and the other end of each driven crank arm 8 is fixedly arranged on the output shaft 2 through a bearing; meanwhile, the elastic assembly 6 comprises a lower spring seat 61, an upper spring seat 62 and an energy storage spring 63, one end of the upper spring seat 62 is movably clamped in the lower spring seat 61, the lower spring seat 61 is fixed on the framework 1 through two pins, one end of the upper spring seat 62 is fixedly arranged on the driven pin 7, and the energy storage spring 63 is fixedly arranged between the lower spring seat 61 and the upper spring seat 62; through the arrangement, the driven pin 7 compresses the elastic assembly 6 along with the rotation of the output shaft 2, the compressed energy is stored instantly through the energy storage spring 63 in the elastic assembly 6, the stored energy is released rapidly by the energy storage spring 63 in the instant when the elastic assembly 6 passes through, the ejector block on the worm wheel 3 jacks the movable pin 5 at the moment, the movable pin 5 is opened, the limiting plate 4 can move downwards, and the driven pin 7 pushes the driven crank arm 8 to drive the output shaft 2 to rotate to complete the closing action, as shown in fig. 6.

Further, one side of the worm wheel 3 is engaged with a worm 10, two ends of the worm 10 are fixedly provided with bearing seats 9 through two bearings, and the bearing seats 9 are fixedly arranged on a bottom plate of the machine frame 1; a motor 14 is fixedly arranged on the mechanism frame 1, a motor gear is arranged at the output end of the motor 14, the motor gear is fixed on the motor 14 through a shaft, a retainer ring and a flat key combination, the motor gear is meshed with a gear 15, and the gear 15 is fixed on one end of the worm 10 through the shaft, the retainer ring and the flat key combination; through the arrangement, after the motor 14 is electrified to work, the bearing seat 9 and the worm 10 are driven to rotate by the motor gear, so that the worm wheel 3 is driven to rotate through the meshing between the worm 10 and the worm wheel 3.

Simultaneously, be provided with angle steel 11 through the bolt fastening on the framework 1, angle steel 11's both ends all are provided with oil buffering 12, and oil buffering 12's one end is provided with connecting lever 13, and connecting lever 13 sets up on output shaft 2 through the flat key is fixed, through the setting of oil buffering 12, be favorable to connecting lever 13 to utilize oil buffering 12 to provide a novel hindrance and smoothly smooth cushioning effect in the same direction as it for connecting lever 13 when output shaft 2's rotation.

In addition, one end of the movable pin 5 is provided with a fixed sleeve 16, the movable pin 5 is fixedly arranged on the machine frame 1 through the fixed sleeve 16, a return spring is fixedly arranged in an inner cavity of the fixed sleeve 16, and one end of the movable pin 5 extends into the inner cavity of the fixed sleeve 16 to be matched with the return spring, so that the movable pin operates.

More specifically, the power supply mode, the control mode and the structure of the motor 14 all adopt the existing mature technology, and are not elaborated in detail in the present application.

This practical theory of operation:

closing movement of the grounding switch: when the mechanism is at a brake opening position (as shown in fig. 9), a brake closing button is pressed, a motor 14 is electrified to drive a worm 10 and a worm wheel 3 to rotate, the worm wheel 3 drives a driven pin 7 to rotate clockwise and compress an elastic assembly 6, at the moment when an energy storage spring 63 in the elastic assembly 6 passes through, the energy storage spring 63 rapidly releases energy, at the moment, a top block on the worm wheel 3 pushes against a movable pin 5, the movable pin 5 is opened, a limiting plate 4 can move downwards, and the driven pin 7 pushes a driven crank arm 8 to drive an output shaft 2 to rotate to complete brake closing (as shown in fig. 6);

the opening movement of the grounding switch: the principle of the switch-on motion of the grounding switch is the same as that of the switch-on motion of the grounding switch;

manual operation: with special hexagonal sleeve, can carry out manual operation, wave energy storage handle clockwise (when separating the floodgate position), worm 10 drives worm wheel 3 and rotates, and worm wheel 3 drives driven pin 7 compression elastic component 6, and in the twinkling of an eye when energy storage spring 63 in elastic component 6 crosses, energy storage spring 63 releases the energy rapidly, and driven pin 7 promotes driven turning arm 8 and drives output shaft 2 and rotate to accomplish and close (divide) the floodgate action.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a stop device of quick ground mechanism output shaft, includes framework (1) and output shaft (2), its characterized in that: the output shaft (2) is rotatably arranged on the machine frame (1), the output shaft (2) is sleeved with a worm wheel (3) through a bearing, the top end of the worm wheel (3) is provided with a limiting sheet (4), the limiting sheet (4) is fixedly arranged on the output shaft (2), in addition, an arc-shaped groove is formed in the worm wheel (3), a movable pin (5) is movably arranged in the arc-shaped groove, the movable pin (5) is arranged on one side of the limiting sheet (4) and matched with the limiting sheet (4), an elastic component (6) is arranged below the worm wheel (3) on one side of the output shaft (2), a driven pin (7) is fixedly arranged at one end part of the elastic component (6), driven crank arms (8) are respectively arranged on two sides of the end part of the elastic component (6), and one end of each driven crank arm (8) is fixedly arranged on the driven pin (7), the other end of the driven crank arm (8) is fixedly arranged on the output shaft (2) through a bearing, one side of the worm wheel (3) is meshed with a worm (10), bearing seats (9) are fixedly arranged at two ends of the worm (10) through two bearings, and the bearing seats (9) are fixedly arranged on a bottom plate of the machine frame (1).

2. The limiting device of claim 1, wherein: an angle steel (11) is fixedly arranged on the machine frame (1) through bolts, oil buffers (12) are arranged at two ends of the angle steel (11), a crank arm (13) is arranged at one end of each oil buffer (12), and the crank arm (13) is fixedly arranged on the output shaft (2) through a flat key.

3. The limiting device of claim 1, wherein: the worm gear mechanism is characterized in that a motor (14) is fixedly arranged on the mechanism frame (1), a motor gear is arranged at the output end of the motor (14), the motor gear is fixed on the motor (14) through a shaft, a retainer ring and a flat key combination, the motor gear is meshed with a gear (15), and the gear (15) is fixed on one end of the worm (10) through the shaft, the retainer ring and the flat key combination.

4. The limiting device of claim 1, wherein: elastic component (6) are including lower spring seat (61), upper spring seat (62) and energy storage spring (63), the movable joint of one end of upper spring seat (62) is in lower spring seat (61), lower spring seat (61) is fixed on framework (1) through two round pins, and the one end of upper spring seat (62) is fixed to be set up on driven pin (7), in addition energy storage spring (63) are fixed to be set up between lower spring seat (61) and upper spring seat (62).

5. The limiting device of claim 1, wherein: the one end of activity round pin (5) is provided with fixed cover (16), and activity round pin (5) through fixed cover (16) fixed set up on framework (1), the fixed reset spring that is provided with in the inner chamber of fixed cover (16), and the one end of activity round pin (5) extends to and cooperatees with reset spring in the inner chamber of fixed cover (16).

6. The limiting device of claim 1, wherein: the limiting piece (4) is composed of a first limiting piece (41) or a second limiting piece (42), wherein the first limiting piece (41) comprises a limiting bolt (4101) and a first limiting ring (4102), the limiting bolt (4101) is fixed at the bottom of the first limiting ring (4102) through a bolt, a first limiting protrusion (4103) is integrally arranged on one side of the first limiting ring (4102), the second limiting piece (42) comprises a second limiting ring (4201) and a second limiting protrusion (4202), the second limiting protrusion (4202) is fixedly clamped on one side of the second limiting ring (4201), and a groove matched with the movable pin (5) is formed in one side of the second limiting protrusion (4202).