CN203026463U

CN203026463U - Shock-vibration-resistant balance mechanism for electromagnetic release

Info

Publication number: CN203026463U
Application number: CN 201220699506
Authority: CN
Inventors: 王兰
Original assignee: Wuxi Kaixuan Motor Co Ltd
Current assignee: Wuxi Kaixuan Motor Co Ltd
Priority date: 2012-12-17
Filing date: 2012-12-17
Publication date: 2013-06-26
Anticipated expiration: 2022-12-17

Abstract

The utility model relates to a shock-vibration-resistant balance mechanism for an electromagnetic release. The balance mechanism is arranged on a support at one side of an electromagnetic release component and comprises a push-swing, a pressing plate, a balance plate and a spring. The balance mechanism is characterized in that a first connecting column is fixed on the balance plate, a second connecting column is fixed on the support above the first connecting column, and the spring is connected with the first connecting column and the second connecting column; the pressing plate is arranged below the balance plate and is connected with the support in a rotating way; and the push-swing is arranged at the axial end of the installing axis of a push rod of the release, and a push-and-block face is arranged on the push-swing and is in contact with the pressing plate. The balance mechanism has the advantages of simplicity in structure and reliability in performance and improves the shock-vibration resistance of the mechanism.

Description

The balanced controls that are used for the impact resisting vibrating of magnetictrip

Technical field

The utility model relates to a kind of balanced controls, especially a kind of balanced controls of the impact resisting vibrating for magnetictrip.

Background technology

Along with the development of electric utility, moulded case circuit breaker operation mechanism becomes the main flow of current development gradually, and design is to miniaturization, intelligent direction development.Breaker of plastic casing is that contact, arc control device, release and operating mechanism etc. all are contained in a plastic casing, is applicable to do the protection switch of branch road.As shown in Figure 1, existing release adopts magnetictrip usually, comprise the electromagnet spring 1, electromagnet assembly 2, electromagnetic trip assembly 3 and the dropout push rod 4 that are arranged in support 1, electromagnet assembly 2 energisings, electromagnetic trip assembly 3 overcomes electromagnet spring 1, clashes into the trip point position of dropout push rod 4, and dropout push rod 4 is rotated along installation shaft 4-1, device is threaded off, realize its function.

As the naval vessel with its performance of motor-operating mechanism except the basic function that satisfies motor-operating mechanism, also should tolerate the residing mechanical environment in naval vessel and weather environmental requirement, as the impact resisting vibrating requirement.The traditional method of realizing impact resisting vibrating is the confining force that strengthens release spring or mechanism, and the method that this cures the symptoms, not the disease often need simultaneously to increase the volume of operating mechanism, and reliability is relatively poor.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of balanced controls of the impact resisting vibrating for magnetictrip are provided, and this mechanism structure is simple, dependable performance, has improved the impact resisting vibrating of mechanism.

The technical scheme that provides according to the utility model, a kind of balanced controls of the impact resisting vibrating for magnetictrip, described balanced controls are arranged on the support of electromagnetic trip assembly one side, comprise and push away pendulum, pressing plate, balance plate and spring, it is characterized in that: fix the first joint pin on balance plate, fix the second joint pin on the support above the first joint pin, linking springs between the first joint pin and the second joint pin; Pressing plate is installed below described balance plate, and press plate rotary is connected on support; The described axle head of putting the installation shaft that is arranged on the dropout push rod that pushes away is pushing away the push and block face of setting of laying out, and push and block face contacts with pressing plate.

Described the second joint pin is directly over the first joint pin.

The utlity model has following advantage: simple in structure, dependable performance, mechanism takes up room little; Easy to manufacture, cost is low; Under normal condition, do not affect its basic function; Adopt equilibrium principle to make actuating mechanism consistent with this balanced controls inertia when being subject to impact shock, fundamentally solving the failure mechanisms problem that causes because of impact shock; Avoid mechanism to vibrate the limitation that lost efficacy and produce because of anti-impact, increased the scope of application of mechanism.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the stress balance schematic diagram of the utility model impact resisting vibrating

Embodiment

The utility model is described in further detail below in conjunction with concrete accompanying drawing.

As shown in Figure 1 and Figure 2: the balanced controls of described impact resisting vibrating for magnetictrip comprise electromagnet spring 1, electromagnet assembly 2, electromagnetic trip assembly 3, dropout push rod 4, installation shaft 4-1, push away pendulum 5, push and block face 5-1, pressing plate 6, balance plate 7, the first joint pin 7-1, the second joint pin 7-2, spring 8, support 9 etc.

As shown in Figure 1, balanced controls described in the utility model are arranged on the support 9 of electromagnetic trip assembly 3 one sides, comprise and push away pendulum 5, pressing plate 6, balance plate 7 and spring 8, fix the first joint pin 7-1 on balance plate 7, fix the second joint pin 7-2 on the support 9 directly over the first joint pin 7-1, linking springs 8 between the first joint pin 7-1 and the second joint pin 7-2; Pressing plate 6 is installed below described balance plate 7, and pressing plate 6 is rotatably connected on support 9; Describedly push away the axle head that pendulum 5 is arranged on the installation shaft 4-1 of dropout push rod 4, push and block face 5-1 is set pushing away on pendulum 5, push and block face 5-1 contacts with pressing plate 6.

Operation principle of the present utility model and the course of work: under normal condition, balance plate 7 under the effect of spring 8, be in static, with pressing plate 6 be relatively independent, do not affect the normal operation of miscellaneous part; Electromagnet assembly 2 energisings, electromagnetic trip assembly 3 overcomes electromagnet spring 1, clashes into the trip point position of dropout push rod 4, makes 4 rotations of dropout push rod; Because push away pendulum 5 and dropout push rod 4 fixed installation, as shown in Figure 2, dropout push rod 4 with push away pendulum 5 and can be considered Same Part, and around the axle central rotation; 4 rotations of dropout push rod push away simultaneously also rotation of pendulum 5, and direction are identical, push away pendulum 5 and back down pressing plate 6; Less and the rotation of pressing plate 6 weight flexibly when pushing away pendulum 5 and back down, can not increase too much burden to whole rotary course, and 4 rotations of dropout push rod are threaded off whole device, realize the function of this device dropout;

Be subjected under the external shock situation, balance plate 7 overcomes spring 8 and does the inertia motion, clashes into pressing plate 6, and pressing plate 6 withstands and pushes away pendulum 5, gives the power F1 of push and block face 5-1 that pushes away pendulum 5; Electromagnetic trip assembly 3 overcomes electromagnet spring 1, does the inertia motion, clashes into dropout push rod 4, gives 4 one power F2 of dropout push rod; Push away pendulum 5 and synchronize with dropout push rod 4, around central rotation; When being hit, as shown in Figure 2, the power F2 that 3 pairs of dropout push rods 4 of electromagnetic trip assembly apply and 6 pairs of pressing plates push away the pendulum 5 power F1 that apply at the two ends of center of rotation, cause dropout push rod 4 be failure to actuate or the amplitude of moving less, can not cause whole device dropout, produce misoperation, the phenomenon of failure of apparatus can not occur.

Claims

1. balanced controls that are used for the impact resisting vibrating of magnetictrip, described balanced controls are arranged on the support (9) of electromagnetic trip assembly (3) one sides, comprise and push away pendulum (5), pressing plate (6), balance plate (7) and spring (8), it is characterized in that: fix the first joint pin (7-1) on balance plate (7), fix the second joint pin (7-2), linking springs (8) between the first joint pin (7-1) and the second joint pin (7-2) on the support (9) of the first joint pin (7-1) top; Pressing plate (6) is installed in below at described balance plate (7), and pressing plate (6) is rotatably connected on support (9); Describedly push away the axle head that pendulum (5) is arranged on the installation shaft (4-1) of dropout push rod (4), push and block face (5-1) is set pushing away on pendulum (5), push and block face (5-1) contacts with pressing plate (6).

2. balanced controls as claimed in claim 1, it is characterized in that: described the second joint pin (7-2) is directly over the first joint pin (7-1).