CN218956677U

CN218956677U - Frequency detection equipment of frequency converter

Info

Publication number: CN218956677U
Application number: CN202223219028.3U
Authority: CN
Inventors: 周磊; 张森; 初文俊
Original assignee: Shandong Huike Electric Technology Co ltd
Current assignee: Shandong Huike Electric Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-02
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses frequency detection equipment of a frequency converter, which belongs to the technical field of frequency converter detection equipment and comprises a base shell and a frequency detector body, wherein a clamping mechanism is arranged in the base shell, two ends of the clamping mechanism respectively penetrate through two ends of the base shell and are fixedly connected with two symmetrically arranged L-shaped clamping plates, buffer mechanisms are fixedly connected to four corners of two sides of the base shell, one ends of the four buffer mechanisms extend to the front side of the base shell and are fixedly connected with a U-shaped plate, and the frequency detector body is positioned in a groove of the U-shaped plate. According to the utility model, the clamping mechanism is arranged to drive the two L-shaped clamping plates to clamp the frequency converter, so that the fixed installation is realized, the operation is simple, the fixation is firm, the overhaul is convenient, and the buffer mechanism and the damping mechanism are arranged to enable the frequency detector body and the frequency converter to form elastic connection, so that the resonance is weakened, the vibration resistance protection effect is improved, the detection is more stable, and the service life is prolonged.

Description

Frequency detection equipment of frequency converter

Technical Field

The utility model relates to the technical field of frequency converter detection equipment, in particular to frequency converter frequency detection equipment.

Background

The frequency converter is a power control device which uses frequency conversion technology and microelectronics technology to control an alternating current motor by changing the frequency of a motor working power supply, the frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, the required power supply voltage is provided according to the actual requirement of the motor, and then the purposes of energy conservation and speed regulation are achieved.

In chinese patent, a frequency detection device of a frequency converter (patent number: CN113260197 a), the device includes the organism, the fixed establishment of setting outside the organism and set up the frequency detector that detects the converter frequency in the organism, organism externally mounted has the display screen of being connected with the frequency detector, be provided with connecting wire group in the organism and the line protection mechanism that crosses line protection to connecting wire group, the frequency detector passes through connecting wire group and converter internal connection, fixed establishment is used for fixing the organism on the converter, the device passes through fixed establishment and fixes the organism on the converter, be applicable to the converter of different specifications and install and detect, the detection environment of frequency detector has been guaranteed, set up line protection mechanism on connecting wire group, protect connecting wire group, the angle through adjusting component to the input regulation seat when frequency detector mounted position is kept away from the converter connector is adjusted, reduce the friction of connecting wire group and input regulation seat tip, but, with the direct fixed mounting of frequency detector on the converter in the device, make between converter and the frequency detector form hard connection, and the converter can produce the vibration at the during operation, thereby make between converter and the frequency detector produce the converter, the detection device and influence the frequency detector, and the stability of the detection result is influenced to the resonant frequency, the service life of the frequency detector.

Disclosure of Invention

The present utility model is directed to a frequency detection device of a frequency converter, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a frequency detection equipment of converter, including base shell and frequency detector body, be equipped with fixture in the base shell, and fixture's both ends pass the both ends of base shell respectively and fixedly connected with two L shape cardboard that set up symmetrically, four corners of both sides of base shell are all fixedly connected with buffer gear, and four buffer gear's one end extends to the front side of base shell and fixedly connected with U-shaped board, the frequency detector body is arranged in the recess of U-shaped board, the both sides inner wall that U-shaped board is relative all is equipped with damper, and two damper's one end is fixedly connected with the both sides of frequency detector body respectively;

the clamping mechanism comprises a rotary handle which is inserted at the upper side of a base shell and connected with rotation, the lower end of the rotary handle extends into the base shell and is fixedly connected with a first bevel gear, inner walls at two ends of the base shell are respectively connected with a screw rod through rotation of a rotating piece, one ends, close to the two screw rods, of the two screw rods are respectively fixedly connected with a second bevel gear which is meshed with the first bevel gear, threaded blocks which are symmetrically arranged are connected with the two screw rods in a threaded manner, two adjusting rods which are symmetrically arranged are respectively connected with one far side of each threaded block, and one end of each adjusting rod penetrates through the base shell and is fixedly connected with an L-shaped clamping plate.

As still further aspects of the utility model: wherein, buffer gear is including fixing the fixed shell on the base shell lateral wall, fixedly connected with dead lever in the fixed shell, and the cover is equipped with the sliding sleeve on the dead lever, fixedly connected with buffer spring between the one end inner wall of fixed shell and the sliding sleeve, and buffer spring cover locates on the dead lever, the L shape pole that two symmetries set up of both sides fixedly connected with of sliding sleeve, the opening has all been seted up to the both sides of fixed shell, and two L shape pole's one end pass two openings respectively and with U-shaped board fixed connection.

As still further aspects of the utility model: the fixed rod is in a cylindrical shape, and the outer side wall of the fixed rod is in sliding connection with the inner wall of the through hole of the sliding sleeve.

As still further aspects of the utility model: wherein, damper is including seting up the damper groove on U-shaped board inside wall, and fixedly connected with vertical branch that sets up in the damper groove, and sliding connection has the slider on the branch, equal fixedly connected with damping spring between damper groove's both ends inner wall and the slider, the one end and the frequency detector body fixed connection of slider.

As still further aspects of the utility model: the side wall at one end of the sliding block is in sliding connection with the inner bottom wall of the damping groove.

As still further aspects of the utility model: wherein, the through-hole has been seted up to the upside of base shell, and the through-hole passes through the bearing piece and rotates the handgrip and rotate to be connected.

Compared with the prior art, the utility model has the beneficial effects that:

1. this frequency detection equipment of converter through setting up fixture, rotates the turning handle, drives first bevel gear and rotates, because first bevel gear respectively with two second bevel gear meshing, and then drive two lead screws and rotate in opposite directions, at this moment, two screw thread pieces force to close direction displacement, and then drive two L shape cardboard chucking converters, realize that this device is fixed at the installation of converter, easy operation is fixed firm, convenient to overhaul.

2. This frequency detection equipment of converter, through setting up buffer gear, when the frequency detector body received the vibration, drive U-shaped board and produce the vibration, and then drive the sliding sleeve fixed with L shape pole and slide displacement on the dead lever, buffer spring receives the extrusion and produces elasticity this moment, utilizes buffer spring's elasticity effect, can weaken the resonance.

3. This frequency detection equipment of converter through setting up damper, when the frequency detector body received the vibration, drove the branch of slider in the shock attenuation groove and put the displacement, and at this moment, damping spring received the extrusion and produced elasticity, utilized damping spring's elasticity effect, can weaken the vibration that the frequency detector body received.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a cross-sectional front view of a base housing according to the present utility model;

FIG. 3 is a schematic top view of a section of a stationary housing according to the present utility model;

fig. 4 is a schematic cross-sectional front view of the U-shaped plate of the present utility model.

The symbol marks in the figures illustrate:

1. a base housing; 2. a frequency detector body; 3. an L-shaped clamping plate; 4. a U-shaped plate; 5. turning a handle; 6. a first bevel gear; 7. a screw rod; 8. a second bevel gear; 9. a screw block; 10. an adjusting rod; 11. a fixed case; 12. a fixed rod; 13. a sliding sleeve; 14. a buffer spring; 15. an L-shaped rod; 16. an opening; 17. a damping groove; 18. a support rod; 19. a slide block; 20. and a damping spring.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Referring to fig. 1-4, in the embodiment of the present utility model, a frequency detection device of a frequency converter includes a base shell 1 and a frequency detector body 2, a clamping mechanism is disposed in the base shell 1, two ends of the clamping mechanism respectively pass through two ends of the base shell 1 and are fixedly connected with two symmetrically disposed L-shaped clamping boards 3, four corners on two sides of the base shell 1 are fixedly connected with buffer mechanisms, one ends of the four buffer mechanisms extend to a front side of the base shell 1 and are fixedly connected with a U-shaped board 4, the frequency detector body 2 is disposed in a groove of the U-shaped board 4, two opposite side inner walls of the U-shaped board 4 are respectively provided with a shock absorbing mechanism, one ends of the two shock absorbing mechanisms are respectively fixedly connected with two sides of the frequency detector body 2, and the two shock absorbing mechanisms are matched to work so that the frequency detector body 2 and the frequency converter form elastic connection, thereby weakening resonance, improving anti-vibration protection effect on the frequency detector body 2, making detection more stable, and prolonging service life.

The clamping mechanism comprises a rotary handle 5 inserted on the upper side of a base shell 1 and connected with rotation, a first bevel gear 6 is fixedly connected with the lower end of the rotary handle 5 extending into the base shell 1, screw rods 7 are respectively connected with the inner walls of the two ends of the base shell 1 through rotation of a rotation piece, a second bevel gear 8 meshed with the first bevel gear 6 is respectively connected with one end of each of the two screw rods 7, two symmetrically arranged thread blocks 9 are connected with the two screw rods 7 in a threaded manner, two symmetrically arranged adjusting rods 10 are respectively connected with one side of each of the two thread blocks 9, one end of each adjusting rod 10 penetrates through the base shell 1 and is fixedly connected with an L-shaped clamping plate 3, when installing frequency detector body 2 on the converter, place the both sides of converter respectively with two L shape cardboard 3, rotate the turning handle 5, drive first bevel gear 6 and rotate, because first bevel gear 6 meshes with two second bevel gears 8 respectively, and then drive two lead screws 7 reverse rotation, because two lead screws 7 respectively with two screw thread piece 9 threaded connection, at this moment, two screw thread piece 9 force to close direction displacement, and then drive two L shape cardboard 3 chucking converters, realize that this device is fixed at the installation of converter, easy operation, it is fixed firm, the maintenance of being convenient for.

As shown in fig. 1 and 3: the buffer gear is including fixing the fixed shell 11 on base shell 1 lateral wall, fixedly connected with dead lever 12 in the fixed shell 11, and the cover is equipped with sliding sleeve 13 on the dead lever 12, fixedly connected with buffer spring 14 between the one end inner wall of fixed shell 11 and the sliding sleeve 13, and buffer spring 14 cover locates on the dead lever 12, two L shape poles 15 of symmetry setting of both sides fixedly connected with of sliding sleeve 13, opening 16 has all been seted up to the both sides of fixed shell 11, and the one end of two L shape poles 15 passes two openings 16 respectively and with U shaped board 4 fixed connection, when frequency detector body 2 receives the vibration, drive U shaped board 4 and produce the vibration, and then drive the sliding sleeve 13 fixed with L shape pole 15 and slide the displacement on dead lever 12, buffer spring 14 receives the extrusion to produce elasticity this moment, utilize buffer spring 14's elasticity effect, can weaken the resonance.

As shown in fig. 3: the fixed rod 12 is in a cylindrical shape, and the outer side wall of the fixed rod 12 is in sliding connection with the inner wall of the through hole of the sliding sleeve 13, so that the sliding sleeve 13 can slide and move on the fixed rod 12 conveniently.

As shown in fig. 4: the damper comprises a damper groove 17 formed in the inner side wall of the U-shaped plate 4, a supporting rod 18 is fixedly connected to the damper groove 17, a sliding block 19 is connected to the supporting rod 18 in a sliding mode, damper springs 20 are fixedly connected between the inner walls of the two ends of the damper groove 17 and the sliding block 19, one end of the sliding block 19 is fixedly connected with the frequency detector body 2, when the frequency detector body 2 is vibrated, the sliding block 19 is driven to displace on the supporting rod 18 in the damper groove 17, at the moment, the damper springs 20 are extruded to generate elastic force, and vibration received by the frequency detector body 2 can be weakened by utilizing the elastic force action of the damper springs 20.

As shown in fig. 4: the side wall at one end of the sliding block 19 is in sliding connection with the inner bottom wall of the shock absorption groove 17, so that the displacement of the sliding block 19 is more stable.

As shown in fig. 2: the through hole is formed in the upper side of the base shell 1, and the through hole is rotationally connected with the rotating handle 5 through a bearing piece, so that the rotating handle 5 can rotate conveniently.

The working principle of the utility model is as follows:

when the frequency detector body 2 is arranged on the frequency converter, the two L-shaped clamping plates 3 are respectively arranged on two sides of the frequency converter, the rotating handle 5 is rotated to drive the first bevel gear 6 to rotate, the first bevel gear 6 is respectively meshed with the two second bevel gears 8 to further drive the two screw rods 7 to reversely rotate, and the two screw rods 7 are respectively connected with the two thread blocks 9 in a threaded manner, at the moment, the two thread blocks 9 are forced to displace in the similar direction to further drive the two L-shaped clamping plates 3 to clamp the frequency converter, so that the device is fixed in the frequency converter, is simple to operate, firm in fixation and convenient to overhaul;

secondly, when the frequency detector body 2 is vibrated, the U-shaped plate 4 is driven to vibrate, the sliding sleeve 13 fixed with the L-shaped rod 15 is driven to slide and displace on the fixed rod 12, the buffer spring 14 is extruded to generate elasticity, and the resonance can be weakened by utilizing the elasticity of the buffer spring 14; meanwhile, when the frequency detector body 2 is vibrated, the sliding block 19 is driven to displace on the supporting rod 18 in the damping groove 17, at the moment, the damping spring 20 is extruded to generate elastic force, and vibration received by the frequency detector body 2 can be weakened by utilizing the elastic force action of the damping spring 20.

In the description of the present utility model, it should be understood that the directions or positional relationships such as the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. The utility model provides a frequency detection equipment of converter, includes base shell (1) and frequency detector body (2), its characterized in that, be equipped with fixture in base shell (1), and fixture's both ends pass respectively the both ends of base shell (1) and fixedly connected with two L shape cardboard (3) that set up symmetrically, four corner all fixedly connected with buffer gear in both sides of base shell (1), and four buffer gear's one end extends to the front side of base shell (1) and fixedly connected with U-shaped board (4), frequency detector body (2) are located the recess of U-shaped board (4), the both sides inner wall that U-shaped board (4) are relative all equipped with damper, and two damper's one end respectively with the both sides fixedly connected with of frequency detector body (2);

the clamping mechanism comprises a rotating handle (5) which is inserted into the upper side of a base shell (1) and connected with rotation, the lower end of the rotating handle (5) extends into the base shell (1) and is fixedly connected with a first bevel gear (6), the inner walls of the two ends of the base shell (1) are respectively connected with a screw rod (7) through rotation of a rotating piece, two similar ends of the screw rods (7) are respectively fixedly connected with a second bevel gear (8) which is meshed with the first bevel gear (6), two threaded blocks (9) which are symmetrically arranged are connected with threads on the screw rods (7), two symmetrically arranged adjusting rods (10) are fixedly connected with one far side of each threaded block (9), and one end of each adjusting rod (10) penetrates through the base shell (1) and is fixedly connected with an L-shaped clamping plate (3).

2. The frequency detection device of a frequency converter according to claim 1, characterized in that the buffer mechanism comprises a fixed shell (11) fixed on the side wall of the base shell (1), a fixed rod (12) is fixedly connected in the fixed shell (11), a sliding sleeve (13) is sleeved on the fixed rod (12), a buffer spring (14) is fixedly connected between the inner wall of one end of the fixed shell (11) and the sliding sleeve (13), the buffer spring (14) is sleeved on the fixed rod (12), two symmetrically arranged L-shaped rods (15) are fixedly connected on two sides of the sliding sleeve (13), openings (16) are formed on two sides of the fixed shell (11), and one ends of the two L-shaped rods (15) respectively penetrate through the two openings (16) and are fixedly connected with the U-shaped plate (4).

3. A frequency detection device of a frequency converter according to claim 2, characterized in that the fixing rod (12) is cylindrically arranged, and the outer side wall of the fixing rod (12) is slidingly connected with the inner wall of the through hole of the sliding sleeve (13).

4. The frequency detection device of a frequency converter according to claim 1, wherein the damping mechanism comprises a damping groove (17) formed in the inner side wall of the U-shaped plate (4), a supporting rod (18) which is vertically arranged is fixedly connected in the damping groove (17), a sliding block (19) is slidingly connected on the supporting rod (18), damping springs (20) are fixedly connected between the inner walls of two ends of the damping groove (17) and the sliding block (19), and one end of the sliding block (19) is fixedly connected with the frequency detector body (2).

5. A frequency detecting device of a frequency converter according to claim 4, characterized in that one end side wall of the slider (19) is slidably connected with the inner bottom wall of the damper groove (17).

6. A frequency detection device of a frequency converter according to claim 1, characterized in that the upper side of the base housing (1) is provided with a through hole, and the through hole is rotatably connected with the turning handle (5) via a bearing member.