CN210349742U

CN210349742U - Spring operating mechanism capable of easily adjusting energy and buffering characteristic of opening spring

Info

Publication number: CN210349742U
Application number: CN201920600512.XU
Authority: CN
Inventors: 张亚宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-04-17
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses an easily adjust spring operating device of separating brake spring energy and buffering characteristic, concretely relates to high-voltage circuit breaker equipment technical field, include the support guide cylinder that sets up on one side of the output shaft, support guide cylinder internally mounted has separating brake spring and pull rod, and the pull rod can compress and then realize separating brake spring energy storage to the separating brake spring under the energy drive of combined floodgate spring. The utility model discloses a carry out the rational distribution installation with separating brake spring and oil buffer, arrange in the same one side of output shaft jointly, thereby accomplished the utility model discloses a spring operating device, this spring operating device optimize at original spring operating device and come, and the structure function after optimizing is got up more stably for the wholeness can be more superior, and the intervenient nature of oil buffer is better, owing to there is bigger buffering sectional area to separating brake shock-absorbing capacity.

Description

Spring operating mechanism capable of easily adjusting energy and buffering characteristic of opening spring

Technical Field

The utility model relates to a high voltage circuit breaker equipment technical field, more specifically say, the utility model relates to an easily adjust spring operating device who divides brake spring energy and buffering characteristic.

Background

The oil buffer is an important component of a spring operating mechanism of the high-voltage circuit breaker, and can be used for adjusting the movement speed and prolonging the service life of the circuit breaker. The main structure of the oil buffer is composed of a body, a sealing element, a bearing, a buffer cylinder body, a piston, hydraulic oil, a spring and the like, when external force impacts to drive the piston to extrude the hydraulic oil of the buffer cylinder body, the hydraulic oil is discharged from oil discharge holes of an inner pipe of the cylinder body one by one after being pressed, meanwhile, the hydraulic oil discharged from the inner pipe also flows back to the inner pipe of the cylinder body through an internal oil return hole, when the external force disappears, the spring rebounds the piston to an initial point to wait for the next action, according to the principle, the oil buffer can balance and effectively stop moving objects, and the destructive problem caused by high-speed impact.

The existing spring operating mechanism is complex in energy adjustment of a brake separating spring, parts are easy to damage due to overshoot during disassembly and assembly, and the existing product is poor in intervention performance if the fixing and installation modes of the brake separating spring are closed at two ends. The energy of the opening spring is adjusted fussy; similarly, the prior oil buffer product has poor intervention performance, and is complex to assemble and disassemble when the buffering performance is adjusted; moreover, the existing product belongs to a whole-course buffer structure, the buffer consumes large energy and has low energy utilization efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a spring operating mechanism with easy adjustment of the energy and damping characteristics of the opening spring, the opening spring and the oil buffer are reasonably distributed and installed and are jointly arranged on the same side of the output shaft, thereby completing the spring operating mechanism of the utility model, the spring operating mechanism is optimized from the original spring operating mechanism, the optimized structure of the opening spring is convenient to install, good adjustability, better overall performance, better intervention of the oil buffer, more convenient adjustment and higher convenience, the energy utilization efficiency of the opening and closing brake is improved by about 8 to 10 percent compared with the original product, the installation mode of the original opening and closing spring and the oil buffer is changed, other structures are almost the same as those of the original products to solve the problems set forth in the background art described above.

In order to achieve the above object, the utility model provides a following technical scheme: the spring operating mechanism comprises a supporting guide cylinder and a pin shaft, wherein a switching-off spring and a pull rod are arranged in the supporting guide cylinder, and the pull rod can compress the switching-off spring under the driving of the energy of a switching-on spring so as to realize the energy storage of the switching-off spring. On the same side of the output shaft, there is provided an independent oil buffer arranged in parallel with the support guide cylinder.

In a preferred embodiment, the opening spring is fixed at one end and open at the other end, so that the pre-compression amount of the opening spring can be easily adjusted to adjust the spring energy.

In a preferred embodiment, the damping of the operating mechanism is such that the piston of the oil damper is moved only after a certain idle stroke to generate the damping effect.

In a preferred embodiment, the oil buffer and the opening spring are arranged on one side of the output shaft, and the buffering effect is realized by the maximum section of the piston rod when the opening buffering stage is started, so that the maximum buffering effect can be realized by a smaller installation space.

The utility model discloses a technological effect and advantage:

the utility model discloses in through carrying out the rational distribution installation with separating brake spring and oil buffer, arrange in the same one side of output shaft jointly, thereby accomplished the utility model discloses a spring operating device, this spring operating device optimizes at original spring operating device and comes, and the structure function after optimizing is got up more stably for the wholeness can be more superior, and the intervenient nature of oil buffer is better, and is more convenient during the adjustment, provides higher convenience, and closes about 8-10% that the separating brake energy utilization efficiency improves than original product, has made the change to the mounting means of original separating brake spring and oil buffer, other structures and original product almost the same.

Drawings

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

Fig. 2 is a schematic structural view of the middle support guide cylinder, the movable shaft and the crank arm of the present invention.

Fig. 3 is a schematic structural view of the oil buffer and the crank arm of the present invention.

Fig. 4 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.

The reference signs are: the device comprises a support guide cylinder 1, a brake separating spring 2, a movable pull rod 3, an oil buffer 4, a crank arm 5, an output shaft 6, a kidney-shaped hole 7, a pin shaft 8 and a pin shaft 9.

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 spring operating mechanism easy to adjust the energy and the buffering characteristic of the opening spring as shown in the attached drawings 1-4 comprises a supporting guide cylinder 1 and a pin shaft 9, wherein an opening spring 2 is installed inside the supporting guide cylinder 1, a movable pull rod 3 is arranged on the inner side of the supporting guide cylinder 1, an oil buffer 4 is arranged between the supporting guide cylinder 1 and an output shaft 6, one end of the movable pull rod 3 is connected to a crank arm 5, and the crank arm 5 is fixed on the output shaft 6 and rotates synchronously.

The oil buffer is characterized in that a groove is formed in the crank arm 5, a kidney-shaped hole 7 is formed in the front end of a piston rod of the oil buffer 4 and clamped in the groove of the crank arm 5, a pin shaft 8 is installed on the crank arm 5, and the tail end of the oil buffer 4 is fixedly connected through a pin shaft 9. The waist-shaped hole 7 at the front end is connected with the crank arm 5 through a pin shaft 8.

The implementation mode is specifically as follows: firstly, the opening spring 2 and the oil buffer 4 are separately arranged and are jointly arranged on the same side of the output shaft 6, one end of the opening spring 2 is fixed, the other end of the opening spring is arranged and is arranged in the supporting guide cylinder 1, the movable pull rod 3 penetrates through the whole supporting guide cylinder 1, and the pre-compression amount of the opening spring 2 can be conveniently adjusted to increase or decrease the opening energy; secondly, the movable shaft 8 at one end of the oil buffer 4 is arranged in the kidney-shaped hole 7 on the crank arm 5, so that the oil buffer 4 is rotatably connected with the crank arm 5 through the kidney-shaped hole 7 and the movable shaft 8, the size of the kidney-shaped hole 7 can ensure that the oil buffer is involved in the buffering action when about 20% of the stroke is at the end of closing or opening, and the rest 80% of the stroke does not need buffering, so that the energy consumed by the oil buffer 4 can be effectively reduced, the energy effectively acting on the breaker body is increased, and the test proves that the efficiency can be improved by 8-10%.

The utility model discloses the theory of operation:

referring to the attached drawings 1-4 of the specification, through carrying out the rational distribution installation with separating brake spring 2 and oil buffer 4, arrange in same one side of output shaft 6 jointly, thereby accomplished the utility model discloses a spring operating device, this spring operating device optimizes at original spring operating device and comes, the energy of structure separating brake spring after optimizing is adjusted more conveniently, make the wholeness can be more superior, but oil buffer 4 intervenes the nature better, it is more convenient during the adjustment, provide higher convenience, and close and separate the brake energy utilization efficiency and improve about 8-10% than original product, only make the change to the mounting means of original separating brake spring 2 and oil buffer 4, other structures and original product are almost the same.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an easily adjust spring operating device who divides brake spring energy and buffer characteristic, includes support guide cylinder (1) and round pin axle (9), its characterized in that: support guide cylinder (1) internally mounted has separating brake spring (2), support guide cylinder (1) inside embedding has movable pull rod (3), be equipped with oil buffer (4) between support guide cylinder (1) and output shaft (6), oil buffer (4) can be rotatory around round pin axle (9), output shaft (6) tip is provided with crank arm (5), movable pull rod (3) and oil buffer (4) have been connected in crank arm (5).

2. The spring-operated mechanism of claim 1, wherein the spring-operated mechanism is capable of easily adjusting the energy and damping characteristics of the opening spring, and comprises: the inside fluting of turning arm (5), the piston rod front end of oil buffer (4) is equipped with waist type hole (7) and arranges the inslot portion of turning arm (5) in, and round pin axle (8) are installed in turning arm (5), and oil buffer (4) end is through round pin axle (9) fixed connection, and front end waist type hole (7) produce the relation of connection through round pin axle (8) and turning arm (5).

3. The spring-operated mechanism of claim 1, wherein the spring-operated mechanism is capable of easily adjusting the energy and damping characteristics of the opening spring, and comprises: the right end space of the opening spring (2) is open, so that the precompression of the opening spring can be easily adjusted to adjust the spring energy.

4. A spring operating mechanism for easily adjusting the energy and damping characteristics of a brake-separating spring as claimed in claim 2, wherein: the waist-shaped hole (7) is not immediately contacted with the pin shaft (8) in the process of opening and closing movement, but is contacted with the pin shaft (8) after a section of idle stroke so as to drive the piston of the oil buffer to move to generate a buffering effect.

5. A spring operating mechanism for easily adjusting the energy and damping characteristics of a brake-separating spring as claimed in claim 2, wherein: the oil buffer (4) and the opening spring (2) are both arranged on one side of the output shaft (6), and when the opening buffer stage is started, the buffer effect is realized by the maximum section of the piston rod, namely the maximum buffer effect can be realized by a smaller installation space.