CN213211982U

CN213211982U - Three-phase linkage operating mechanism with three sincere son

Info

Publication number: CN213211982U
Application number: CN202022546880.6U
Authority: CN
Inventors: 张树民; 王大伟; 孙莉莉; 刘相青; 王成海; 姚鑫
Original assignee: Tai'an Taihe Power Equipment Co ltd
Current assignee: Tai'an Taihe Power Equipment Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-05-14
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a three-phase linkage operating device with sincere son of three, the sincere son of separating brake and the sincere son of keeping including the separating brake electro-magnet that the linkage set up, still including being located the sincere son of separating brake and keeping the sincere son of transition between the sincere son, the sincere son of transition rotates with the casing to be connected, and the center of rotation of the sincere son of transition, the autogyration center that keeps sincere son to dial the roller and the center of rotation of the sincere son of separating brake are triangle-shaped and arrange, are equipped with the thumb wheel with the sincere son adaptation of separating brake on the sincere son of. The utility model increases the force arm corresponding to the thrust of the holding pawl poking roller by arranging the transition pawl, and saves more labor for pushing the brake pawl; the positioning rod and the guide arc groove which are arranged can guide and limit the rotation of the sincere transition part, and the accuracy of the rotation of the sincere transition part is improved.

Description

Three-phase linkage operating mechanism with three sincere son

Technical Field

The utility model relates to an electrical switching mechanism technical field specifically indicates a three-phase linkage operating device with three sincere son.

Background

The three-phase linkage operating mechanism is a commonly used control mechanism of power equipment and is used for realizing switching-off and switching-on, the existing three-phase linkage operating mechanism mainly realizes switching-off and switching-on actions through linkage of an electromagnet, a holding pawl and a switching-off pawl, the holding pawl is directly contacted with the switching-off pawl, and after the electromagnet pushes the switching-off pawl to rotate, the holding pawl is rotated under the action of a holding spring, so that a holding pawl poking roller rolls along the edge of the switching-off pawl, and the pushing of the switching-off pawl is realized.

However, the direct contact arrangement of the brake and the separating brake in the existing structure is maintained, so that the brake shifting roller is kept to be more laborious in pushing the separating brake, and the flexibility of the operation structure is influenced.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a three-phase linkage operating device with sincere son of three, through setting up the sincere son biography power of transition, it is more laborsaving to keep sincere son to promote the sincere son of separating brake when the separating brake.

The utility model discloses a through following technical scheme realizes, provide a three-phase linkage operating device with sincere son of three, including the separating brake electro-magnet that the linkage set up, the sincere son of separating brake and keep sincere son, still including being located the sincere son of transition between the sincere son of separating brake and keeping, the sincere son of transition rotates with the casing to be connected, and the center of rotation of the sincere son of transition, the autogyration center that keeps sincere son poking roller and the center of rotation of the sincere son of separating brake are triangle-shaped and arrange, are equipped with the thumb wheel with the sincere son adaptation of separating brake on the sincere son of transition to and keep the busbar of sin.

According to the scheme, through the arrangement of the transition pawl, the force arm for keeping the pawl poking roller to push the transition pawl to rotate is larger than the force arm for keeping the pawl to directly push the brake separating pawl to rotate, so that the action of keeping the pawl is more labor-saving, the requirement on keeping a pawl spring is lowered, and the flexibility of the mechanism is improved; through setting up the thumb wheel, make and be rolling friction between the sincere son of transition and the sincere son of separating brake, reduced the frictional force when keeping sincere son to remove for the sincere son of separating brake, through setting up the contact rail, make and keep sincere son plectrum roller all the time with the sincere son contact of transition, improved the reliability and the timeliness of linkage.

Preferably, the transition latch is provided with a guide arc groove taking the rotation center of the transition latch as the center of a circle, and the shell is fixedly provided with a positioning rod extending to the guide arc groove. This optimization scheme plays direction and limiting displacement to the direction arc groove through the locating lever that sets up to play direction and limiting displacement to the rotation of sincere son of transition, improved the sincere son pivoted accuracy of transition, avoid the sincere son turned angle of transition too big and lead to appearing the return stroke dead angle.

Preferably, the contact rail comprises a first contact section, a second contact section and a third contact section which are sequentially arranged along the profile of the transition pawl, the first contact section and the second contact section form a shifting groove clamped on the surface of the shifting roller of the transition pawl, and the second contact section and the third contact section form a protrusion adjacent to the shifting groove. This optimization scheme's contact rail dials the groove through setting up, and when the combined floodgate state, utilize first contact section and second contact section to keeping sincere son to dial the roller and restrict, when the separating brake, keep sincere son to dial the roller and move to third contact section along second contact section, guaranteed to keep sincere son to dial the roller and contact with the sincere son of transition all the time.

Preferably, the first contact section and the second contact section, and the second contact section and the third contact section are in rounded transition. This optimization scheme is through between with first contact segment and the second contact segment to and set up to pass through the fillet transition between second contact segment and the third contact segment, reduced corner stress on the one hand, improved the intensity of the sincere son of transition itself, on the other hand, make the roll that keeps sincere son to dial the roller more steady, be favorable to prolonging the life of mechanism.

And as optimization, the rotation center of the transition engine is positioned on one side of a connecting line of the rotation center of the closing engine and the center of the keeping engine poking roller, which is far away from the opening electromagnet. The transition pawl position of the optimized scheme is arranged, so that the whole operating mechanism is more compact, and the structural arrangement in the casing is convenient.

As optimization, the transition engine is also fixedly provided with an operating rod with a connecting hole, and the rotating center of the transition engine is positioned in a triangle formed by the connecting hole, the dial wheel and the holding engine dial roller. This optimization scheme is through setting up the action bars, and the sincere son of convenient transition is connected with other components, with connecting hole, thumb wheel and the sincere son of keeping group roller according to triangular distribution, avoids the action mutual interference of three position.

The utility model has the advantages that: by arranging the transitional latch, the force arm corresponding to the pushing force of the pulling roller of the latch is increased, and the pushing force of the split brake latch is more labor-saving; the positioning rod and the guide arc groove which are arranged can guide and limit the rotation of the sincere transition part, and the accuracy of the rotation of the sincere transition part is improved.

Drawings

Fig. 1 is a schematic diagram of the closing state of the present invention;

FIG. 2 is a schematic view of the switching-off state of the present invention;

shown in the figure:

1. the brake-separating electromagnet comprises a brake-separating pawl 2, a brake-separating pawl 3, a transition pawl 4, a holding pawl 5, a holding pawl poking roller 6, a guide arc groove 7, a positioning rod 8, a poking groove 9 and a poking wheel.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

The three-phase linkage operating mechanism comprises an opening electromagnet 1, an opening pawl 2, a holding pawl 4 and a transition pawl 3, wherein the opening pawl and the holding pawl are arranged in a linkage mode, the transition pawl 3 is located between the opening pawl and the holding pawl, the rotation center of the transition pawl, the self-rotation center of a holding pawl poking roller 5 and the rotation center of the opening pawl 2 are arranged in a triangular mode, and the rotation center of the transition pawl is located on one side, away from the opening electromagnet, of a connecting line of the rotation center of a closing pawl and the center of the holding pawl poking roller.

The transition engine is provided with a shifting wheel 9 matched with the brake-separating engine and a contact rail matched with the driving roller of the holding engine. An operating rod with a connecting hole is fixedly arranged on the transition engine, and the rotating center of the transition engine is positioned in a triangle formed by the connecting hole, the dial wheel and the holding engine dial roller.

The contact rail includes first contact section, second contact section and the third contact section that sets gradually along the sincere son profile of transition, and first contact section and second contact section form the card and establish and dial groove 8 on keeping sincere son group roller surface, and second contact section and third contact section form and dial the adjacent arch in groove. The first contact section and the second contact section, and the second contact section and the third contact section are in transition through fillets.

The transition sincere son is provided with a guide arc groove 6 taking the rotation center thereof as the circle center, the shell is fixedly provided with a positioning rod 7 extending to the guide arc groove, and the guide arc groove and the positioning rod are both positioned in a triangle formed by the contact rail, the roller and the rotation center of the transition sincere son, so that the guiding accuracy is further improved.

In the use process, when the brake is required to be opened, the electromagnet extends out to push the brake-opening pawl to rotate, so that the lower end of the brake-opening pawl loses the limitation on the roller of the transition pawl, the pawl is kept to rotate under the action of the spring to push the transition pawl to rotate, the shifting roller of the transition pawl moves along the contact direction, and the roller moves along the surface of the brake-opening pawl; when the switch needs to be switched on, the transition pawl rotates reversely, the pawl is kept to rotate until the pawl roller is kept to be clamped into the shifting groove 8, meanwhile, the brake-off pawl rotates under the action of the spring, the shifting wheel is always in surface contact with the brake-off pawl, and the shifting wheel moves to the lower end of the brake-off pawl.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. The utility model provides a three-phase linkage operating device with sincere son of three, includes separating brake electro-magnet (1), the sincere son of separating brake (2) that the linkage set up and keeps sincere son (4), its characterized in that: still including being located the sincere son of transition (3) between the sincere son of separating brake and keeping, the sincere son of transition (3) are rotated with the casing and are connected, and the center of rotation of the sincere son of transition, the autogyration center of keeping sincere son shifting roller (5) and the center of rotation of the sincere son of separating brake (2) are triangle-shaped and arrange, are equipped with on the sincere son of transition and dial wheel (9) with the sincere son adaptation of separating brake to and keep the touch rail of sincere son shifting roller adaptation.

2. A three-phase linked operating mechanism having three latches, according to claim 1, wherein: the transition pawl is provided with a guide arc groove (6) taking the rotation center as the circle center, and the shell is fixedly provided with a positioning rod (7) extending to the guide arc groove.

3. A three-phase linked operating mechanism having three latches, according to claim 1, wherein: the contact rail comprises a first contact section, a second contact section and a third contact section which are sequentially arranged along the outline of the transition pawl, the first contact section and the second contact section form a shifting groove clamped on the surface of the pawl shifting roller, and the second contact section and the third contact section form a protrusion adjacent to the shifting groove.

4. A three-phase linked operating mechanism having three latches, according to claim 3, wherein: the first contact section and the second contact section, and the second contact section and the third contact section are in transition through fillets.

5. A three-phase linked operating mechanism having three latches, according to claim 1, wherein: the rotating center of the transition pawl is positioned on one side of a connecting line of the rotating center of the closing pawl and the center of the holding pawl poking roller, which is far away from the opening electromagnet.

6. A three-phase linked operating mechanism having three latches, according to claim 5, wherein: an operating rod with a connecting hole is fixedly arranged on the transition engine, and the rotating center of the transition engine is positioned in a triangle formed by the connecting hole, the dial wheel and the holding engine dial roller.