CN218603350U

CN218603350U - Frequency converter with damping function

Info

Publication number: CN218603350U
Application number: CN202222633912.5U
Authority: CN
Inventors: 蔡春江
Original assignee: Beijing Zhongshi Huaye Automation Equipment Co ltd
Current assignee: Beijing Zhongshi Huaye Automation Equipment Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-10
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a converter with shock-absorbing function, relate to converter technical field, this converter aims at solving present converter and all directly places through the cabinet body on ground, stability is not high when the operation, high frequency takes place, lead to the technical problem of inside electronic component damage easily after the vibrations of high amplitude, this converter includes the converter casing, set up in the balanced platform of converter casing downside, install the base in balanced platform upper end, this converter adopts the shock attenuation unit of hiding in converter casing lower part cavity, do not occupy extra ground usage space when making the converter have shock-absorbing capacity, it is more nimble to use in the operational environment of confined space, utilize damping spring to provide vertical elasticity shock-absorbing function for the converter, the gasbag that sets up the round between shock attenuation stroke chamber and base 5 provides the space that the converter casing level shifted on a large scale, very high buffering effect has when receiving the impact on the horizontal direction.

Description

Frequency converter with damping function

Technical Field

The utility model belongs to converter equipment field, concretely relates to converter with shock-absorbing function.

Background

The frequency converter is applied frequency conversion technology and microelectronic technology, the power control equipment of the alternating current motor is controlled by changing the frequency mode of the working power supply of the motor, along with the development of the scientific technology in China, the frequency converter technology is mature day by day, the application field of the frequency converter is gradually enlarged, the existing frequency converters are directly placed on the ground through the cabinet body, generally do not have shock absorption or other functions, can only be placed as simple, the stability is not high during operation, high frequency occurs, and internal electronic components are easily damaged after high-amplitude vibration.

The prior Chinese utility model with publication number CN206023564U discloses a damping base of a high-voltage frequency converter, which comprises a base, a damping spring, a damping fixed part, a supporting part and a moving part; the utility model discloses be equipped with the bracing piece, can adjust the angle that is fit for according to the angle needs then use fixing bolt fixed, the pivot is connected through the ann pivot to the other end of bracing piece, the pivot can be around installing the rotation of axle, the circumferential surface of pivot is equipped with buffer spring and buffer board, make the buffer board when accomplishing horizontal buffering, can allow high-voltage inverter to reciprocate, the vertical shock attenuation of cooperation that can be better like this, avoid simultaneously because vibrations from top to bottom influence horizontal buffering, shock-absorbing spring is used for vertical direction shock attenuation, mounting platform has the gyro wheel, the wheel rolls and can be rotatory around the rotating head, realize the roll of any direction, the gyro wheel is the circumference and distributes, stability is better, the utility model discloses the installation is nimble, the simple operation, the shock attenuation effect is better, application scope is wider, has very strong practicality, the utility model discloses an it improves the shock resistance of converter to utilize the setting that has shock-absorbing spring at the buffer gear of converter lower part in the base structure cooperation of converter lower part in converter casing both sides, but this kind of base structure is in the converter outside, has increased the area of converter, and is also pleasing to the appearance is also not pleasing to the eye.

Therefore, to the above-mentioned base through having shock-absorbing structure and buffer structure for the converter provides the shock resistance makes converter area grow, the not aesthetic in appearance's the condition, develops a novel shock attenuation converter, utilizes the shock-absorbing structure who hides in converter cabinet body lower part, and the appearance is more pleasing to the eye when making the converter have shock-absorbing capacity, and area is littleer, and it is more convenient to use on limited ground space.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a converter with shock-absorbing function, this converter aim at solving present converter and all directly place on ground through the cabinet body, and stability is not high when the operation, takes place the high frequency, leads to the technical problem of inside electronic component damage easily behind the vibrations of high amplitude.

(2) Technical scheme

In order to solve the technical problem, the utility model provides such converter with shock-absorbing function, this converter include the converter casing, set up in the converter casing downside the balancing stand, install in the base of balancing stand upper end, converter casing lower extreme is provided with the shock attenuation stroke chamber, shock attenuation stroke chamber top bilateral symmetry be provided with converter shells inner wall welded connection's bearing beam piece, the base set up in shock attenuation stroke intracavity side, the base is provided with the gasbag all around, the gasbag surface hug closely in shock attenuation stroke intracavity wall, the base with be provided with damping spring between the bearing beam piece.

When the frequency converter with the damping function is used, a user turns the armrest frame to the rear side to be horizontal, then the base is fixed on the balance table through the threaded connection of the connecting column and the connecting hole, the guide column is aligned to the guide hole, the upper end and the lower end of the damping spring are aligned to the end grooves, the base is inserted into the damping stroke cavity, the air bag is tightly attached to the inner wall of the damping stroke cavity, the frequency converter shell is placed on the balance table at the moment, when the frequency converter shell vibrates vertically, the vertical elastic deformation restoring capacity provided by the damping spring is utilized to buffer the vibration amplitude of the frequency converter shell, when the frequency converter shell receives acting force in any horizontal direction, the air bag acts on the air bag through the bottom, the air bag is extruded to deform, and the effect of quickly restoring the original state by utilizing the internal air pressure is utilized, and the horizontal buffering effect is achieved.

Furthermore, pulleys with locking mechanisms are symmetrically installed at the front and the rear of the lower end of the balancing stand, an armrest frame is arranged on the rear side of the frequency converter shell in parallel, the balancing stand can easily move along the ground through the pulleys, and after the balancing stand reaches a specified use place, a self-locking mechanism of the pulleys is opened, so that the pulleys cannot rotate, and the stability of the frequency converter shell is kept.

Furthermore, the handrail frame lower extreme with swing joint has the spring hinge between the balancing stand rear end, the handrail pole that has flexible coating is installed to handrail frame upper end, and the handrail frame passes through the spring hinge and can follow the arbitrary angle of upset around the bottom, makes things convenient for user's gripping handrail pole to promote the balancing stand to after the lapse, loosen the handrail pole, spring hinge automatic re-setting makes the handrail frame keep vertical.

Further, the damping stroke intracavity side is provided with woven wire, woven wire install in between the bearing beam piece with converter shell inner wall with between the bearing beam piece, woven wire makes the lower part space of converter shell open, and the space between cooperation gasbag and the damping stroke intracavity wall is favorable to the heat dissipation.

Further, the spliced pole that has the external screw thread is installed to the base lower extreme, seted up in the middle of the balancing stand and had the internal screw thread connecting hole, spliced pole threaded connection in the connecting hole inboard, the base passes through the lead screw connection to be fixed on the balancing stand, and convenient quick ann tears open and maintains, uses in a flexible way.

Further, the end groove has all been seted up to the base upper end with bearing roof beam piece lower extreme, both ends set up in about damping spring the end inslot side, the end groove plays the fixed action to damping spring's upper and lower both ends, avoids damping spring off normal to take place torsional deformation, leads to elasticity shock-absorbing capacity impaired.

Furthermore, the base inboard has been seted up and has been led the line hole, lead the line hole set up with one heart in the end groove inboard, bearing beam piece lower extreme fixed mounting has the guide post, the guide post set up in lead the line hole inboard, it is provided with the rubber sleeve to lead the outer fringe of line hole, and the vertical removal of guide post in the guide hole just utilizes deformable rubber sleeve to make the guide post can take place the level of certain distance and shift, and the deformation of cooperation gasbag plays the horizontal cushioning effect to the auxiliary frequency converter casing.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a converter with shock-absorbing function adopts the shock attenuation unit of hiding in converter casing lower part cavity, do not occupy extra ground usage space when making the converter have shock-absorbing capacity, it is more nimble to use in the operational environment of finite space, and hidden structure is more pleasing to the eye, utilize damping spring to provide vertical elasticity shock-absorbing function for the converter, the gasbag that sets up the round between shock attenuation stroke chamber and base 5 provides the space that the converter casing level shifted on a large scale, very high buffering effect has when receiving the ascending impact of horizontal direction and acting on.

Drawings

Fig. 1 is a schematic view of an assembly structure of an embodiment of a frequency converter with a damping function according to the present invention;

fig. 2 is a schematic structural view of a balancing stand of an embodiment of the frequency converter with a shock-absorbing function of the present invention;

FIG. 3 is a schematic view of a casing structure of a frequency converter according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a base structure of an embodiment of the frequency converter with a damping function of the present invention.

The labels in the figures are: 1. a frequency converter housing; 2. a shock absorbing stroke chamber; 3. supporting the beam piece; 4. a balancing table; 5. a base; 6. an air bag; 7. a damping spring; 8. a pulley; 9. a handrail frame; 10. a spring hinge; 11. a grab rail; 12. a wire mesh; 13. connecting columns; 14. connecting holes; 15. an end slot; 16. a pilot hole; 17. a guide post; 18. a rubber sleeve.

Detailed Description

This embodiment is used for a converter with shock-absorbing function, its packaging structure sketch map is shown in fig. 1, 4 schematic structural diagrams of balancing stand are shown in fig. 2, 1 schematic structural diagrams of converter casing are shown in fig. 3, 5 schematic structural diagrams of base are shown in fig. 4, this converter includes converter casing 1, set up in 4 of converter casing 1 downside, install in 4 upper end of balancing

stand base

5, 1 lower extreme of converter casing is provided with shock

attenuation stroke chamber

2, 2 top bilateral symmetry in shock attenuation stroke chamber is provided with the bearing beam piece 3 with 1 inner wall welded connection of converter casing, base 5 sets up in 2 inboards in shock attenuation stroke chamber, base 5 is provided with gasbag 6 all around, 6 surfaces of gasbag hug closely in 2 inner walls in shock attenuation stroke chamber, be provided with damping spring 7 between base 5 and the bearing beam piece 3.

Aiming at the specific embodiment, the air bag 6 is of a cylindrical structure, is made of an anti-wear rubber material, is filled with inert gas in an inner cavity, surrounds the outer edge of the base 5, has good multi-directional deformation and recovery capability, and provides a space for the frequency converter shell 1 to shift horizontally relative to the base 5.

Wherein, pulley 8 with locking mechanism is installed to the symmetry around the balancing stand 4 lower extreme, 1 rear side parallel arrangement of converter casing has handrail frame 9, swing joint has spring hinge 10 between handrail frame 9 lower extreme and the balancing stand 4 rear end, handrail 11 with flexible coating is installed to handrail frame 9 upper end, balancing stand 4 can easily remove along ground through pulley 8, after arriving appointed place of use, open pulley 8's self-locking mechanism, make pulley 8 unable rotation, keep the stability of converter casing 1, handrail frame 9 can follow arbitrary angle of bottom front and back upset through spring hinge 10, make things convenient for the user to grasp handrail 11 and promote balancing stand 4, and after the lapse, loosen handrail 11, spring hinge 10 automatic re-setting makes frame 9 keep vertical.

Meanwhile, the inner side of the damping stroke cavity 2 is provided with a metal wire mesh 12, the metal wire mesh 12 is installed between the bearing beam pieces 3 and between the inner wall of the frequency converter shell 1 and the bearing beam pieces 3, the metal wire mesh 12 enables the lower space of the frequency converter shell 1 to be opened, and the gap between the air bag 6 and the inner wall of the damping stroke cavity 2 is favorable for heat dissipation.

In addition, a connecting column 13 with external threads is installed at the lower end of the base 5, a connecting hole 14 with internal threads is formed in the middle of the balance table 4, the connecting column 13 is connected to the inner side of the connecting hole 14 in a threaded mode, the base 5 is fixedly connected to the balance table 4 through a screw rod, the mounting, dismounting and maintenance are convenient and rapid, and the use is flexible

In addition, end slot 15 has all been seted up to base 5 upper end and bearing beam piece 3 lower extreme, damping spring 7 upper and lower both ends set up in end slot 15 inboard, leading hole 16 has been seted up to base 5 inboard, leading hole 16 sets up in end slot 15 inboard with one heart, bearing beam piece 3 lower extreme fixed mounting has leading post 17, leading post 17 sets up in leading hole 16 inboard, leading hole 16 outer fringe is provided with rubber sleeve 18, end slot 15 plays the fixed action to damping spring 7 upper and lower both ends, avoid damping spring 7 off normal to take place torsional deformation, lead to the elastic shock-absorbing capacity impaired, leading post 17 is vertical removal in leading hole 16, and utilize deformable rubber sleeve 18 to make leading post 17 can take place the horizontal deflection of certain distance, the deformation of cooperation gasbag 6, auxiliary frequency converter casing 1 plays the horizontal cushioning effect.

When the frequency converter with the damping function in the technical scheme is used, a user turns the armrest frame 9 to the rear side to be horizontal, then the base 5 is fixed on the balance table 4 through the threaded connection of the connecting column 13 and the connecting hole 14, the guide column 17 is aligned to the guide hole 16, the upper end and the lower end of the damping spring 7 are aligned to the end grooves 15, the base 5 is inserted into the damping stroke cavity 2, the air bag 6 is tightly attached to the inner wall of the damping stroke cavity 2, the frequency converter shell 1 is placed on the balance table 4 at the moment, when the frequency converter shell 1 vibrates vertically, the vertical elastic deformation restoring capacity provided by the damping spring 7 is utilized to buffer the vibration amplitude of the frequency converter shell 1, when the frequency converter shell 1 is subjected to acting force in any horizontal direction, the air bag 6 is extruded to deform, and the effect of rapidly restoring the original state by utilizing the internal air pressure is utilized, and the horizontal buffering effect is achieved.

Claims

1. A frequency converter with a damping function comprises a frequency converter shell, a balancing stand arranged on the lower side of the frequency converter shell, and a base arranged at the upper end of the balancing stand; the vibration damping device is characterized in that a vibration damping stroke cavity is arranged at the lower end of the frequency converter shell, bearing beam pieces connected with the inner wall of the frequency converter shell in a welded mode are symmetrically arranged on the left side and the right side of the top end of the vibration damping stroke cavity, the base is arranged on the inner side of the vibration damping stroke cavity, air bags are arranged on the periphery of the base, the surfaces of the air bags are tightly attached to the inner wall of the vibration damping stroke cavity, and a vibration damping spring is arranged between the base and the bearing beam pieces.

2. The frequency converter with the shock absorption function according to claim 1, wherein pulleys with locking mechanisms are symmetrically installed at the front and back of the lower end of the balance table, and handrail frames are arranged on the rear side of the shell of the frequency converter in parallel.

3. The frequency converter with the damping function according to claim 2, wherein a spring hinge is movably connected between the lower end of the handrail frame and the rear end of the balance table, and a handrail rod with a flexible coating layer is installed at the upper end of the handrail frame.

4. The frequency converter with the shock absorption function according to claim 1, wherein a wire mesh is arranged inside the shock absorption stroke cavity, and the wire mesh is installed between the supporting beams and between the inner wall of the frequency converter shell and the supporting beams.

5. The frequency converter with the damping function according to claim 1, wherein a connecting column with an external thread is installed at the lower end of the base, a connecting hole with an internal thread is formed in the middle of the balance table, and the connecting column is in threaded connection with the inner side of the connecting hole.

6. The frequency converter with the damping function according to claim 1, wherein end grooves are formed in the upper end of the base and the lower end of the supporting beam piece, and the upper end and the lower end of the damping spring are arranged inside the end grooves.

7. The frequency converter with the shock absorption function according to claim 6, wherein a guide hole is formed in the inner side of the base, the guide hole is concentrically arranged in the inner side of the end groove, a guide column is fixedly mounted at the lower end of the bearing beam piece and arranged in the inner side of the guide hole, and a rubber sleeve is arranged on the outer edge of the guide hole.