CN212115879U

CN212115879U - Multifunctional frequency converter

Info

Publication number: CN212115879U
Application number: CN202020834966.6U
Authority: CN
Inventors: 周征宇
Original assignee: Zhuji Hongchou Intelligent Technology Co Ltd
Current assignee: Zhejiang Huicheng Automation Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-08
Anticipated expiration: 2030-05-18

Abstract

The utility model provides a multifunctional frequency converter, including the host computer cabinet, the bottom mounting of host computer cabinet has the carriage, the framework internal fixation of carriage has first fixing base, first fixing base is equipped with two, every the top surface of first fixing base all is connected with the lead screw, every through the bearing rotation the surface of lead screw all is connected with the elevator, every the elevator all is located same one side directly over the perpendicular of first fixing base, two be fixed with the bearing piece between the elevator, every all be equipped with the second fixing base directly over the perpendicular of elevator, every the bottom of second fixing base all through the bearing with same one side the top of lead screw is rotated and is connected, four apex angles on carriage bottom surface all have the universal wheel through the bolt fastening. The utility model discloses a cooperation of host computer cabinet and lead screw to the universal wheel of built on stilts converter rack bottom prevents that the converter rack from receiving external force factor to produce the displacement and influencing the use of converter.

Description

Multifunctional frequency converter

Technical Field

The utility model mainly relates to the technical field of converters, concretely relates to multifunctional frequency converter.

Background

The frequency converter is an electric energy control device which utilizes the on-off action of an electric semiconductor device to convert a power frequency power supply into another frequency, thereby realizing the functions of soft start, variable frequency speed regulation, improvement of operation precision, change of power factor, overcurrent/overvoltage/overload protection and the like of an alternating current asynchronous motor

According to a frequency converter disclosed in patent document No. CN 209642532U, the microchannel heat sink of the product adopts a novel installation method of opening the heat sink and placing the heat sink on the outer wall of the casing, and the microchannel heat sink partially penetrates the back panel of the casing in an embedded manner, so as to be conveniently aligned with the heat generating component. This mounting means can not only make the radiating cooling effect of components and parts that generate heat better, and external microchannel radiator still is favorable to the inner space design of converter more compact simultaneously to can avoid and prevent to make the inner space big problem of windage appear when the forced air cooling dispels the heat because of the microchannel radiator is built-in, be favorable to promoting the radiating effect of forced air cooling of inner space, finally improve the heat dissipation function and the performance of whole converter.

However, the existing frequency converter has defects, for example, the frequency converter is generally moved by using a pulley to assist the frequency converter cabinet when being moved, but in the using process of the frequency converter, if the frequency converter is impacted by external force, the frequency converter cabinet is easy to move by using the pulley at the bottom end, thereby affecting the use of the frequency converter.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a multi-functional converter is used for solving the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a multifunctional frequency converter, including the host computer cabinet, the bottom mounting of host computer cabinet has the carriage, the framework internal fixation of carriage has first fixing base, first fixing base is equipped with two, two first fixing base symmetry set up in carriage framework both ends, every the top surface of first fixing base all is connected with the lead screw through the bearing rotation, every the surface of lead screw all is connected with the elevator, every the elevator all is located same one side directly over the perpendicular of first fixing base, two be fixed with the bearing piece between the elevator, every all be equipped with the second fixing base directly over the perpendicular of elevator, every the bottom of second fixing base all through the bearing with same one side the top of lead screw is rotated and is connected, four apex angles on carriage bottom surface all have the universal wheel through the bolt fastening.

Furthermore, every the both sides of lead screw all are equipped with the slip post symmetrically, every the both ends of slip post are fixed in respectively with one side on the casing of first fixing base with the second fixing base.

Furthermore, two the second fixing base is hollow structure, every all be equipped with the rotating gear in the second fixing base, every the rotating gear all is fixed in with one side the lead screw runs through the one end surface of second fixing base, two rotate through the chain rotation between the rotating gear and connect.

Furthermore, the top end of each rotating gear is coaxially provided with a first bevel gear, one side, away from the other rotating gear, of each first bevel gear is connected with a second bevel gear in a meshed mode, and each second bevel gear is rotatably connected with the second fixing seat on the same side through a rotating shaft.

Furthermore, each rotating shaft penetrates through the same side, a rotating hand wheel is fixed on the outer surface of one end of the second fixing seat, and a handle is fixed on the surface of one side, away from the same side, of the rotating shaft.

Furthermore, a plurality of dust shields are fixed in the frame body of the supporting frame, the dust shields are arranged around the two first fixing seats, and a plurality of heat dissipation holes are formed in the dust shield shell.

Furthermore, a plurality of shock absorbers are fixed at the bottom end of the bearing block, and a plurality of bearing plates are connected to the bottom ends of the shock absorbers.

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

one of which, the utility model discloses can make somebody a mere figurehead the universal wheel of converter rack bottom, thereby prevent that the converter rack from receiving external force factor to produce the displacement and influence the use of converter, cooperation through host computer cabinet and lead screw, when making two lead screws carry out synchronous revolution, the elevating block on two lead screws changes the rotary motion of lead screw into self linear motion through screw nut, make two elevating blocks drive the bearing block on it and remove along vertical direction, until contacting with ground, because first fixing base on the lead screw is fixed inside host computer cabinet bottom sprag frame, thereby make the universal wheel of host computer cabinet bottom unsettled.

And secondly, the utility model discloses a cooperation of rotatory hand wheel and handle for the staff can carry out the rotation through holding the rotatory hand wheel that the handle drove on it, and then drives the rotation axis on the rotatory hand wheel and rotate, because the handle revolves around the rotation axis on the rotatory hand wheel, makes staff's arm can extend, thereby provides convenience for the staff uses the rotation axis.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

fig. 2 is a schematic structural view of the first fixing seat, the lifting block and the second fixing seat of the present invention;

fig. 3 is a schematic structural view of the second fixing base of the present invention.

In the figure: 1. a main cabinet; 2. a support frame; 21. a first fixed seat; 22. a lead screw; 221. a rotating gear; 222. a first bevel gear; 223. a second bevel gear; 224. a rotating shaft; 225. rotating a hand wheel; 226. a handle; 23. a lifting block; 24. a second fixed seat; 25. a pressure-bearing block; 251. a shock absorber; 252. a pressure bearing plate; 26. a sliding post; 27. a dust-proof plate; 271. heat dissipation holes; 28. a universal wheel.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3 in greater detail, a multi-functional frequency converter includes a main cabinet 1, a supporting frame 2 is fixed at the bottom end of the main cabinet 1, a first fixing seat 21 is fixed in a frame of the supporting frame 2, two first fixing seats 21 are provided, the two first fixing seats 21 are symmetrically provided at two ends of the frame of the supporting frame 2, a leading screw 22 is rotatably connected to the top end surface of each first fixing seat 21 through a bearing, a lifting block 23 is connected to the outer surface of each leading screw 22, each lifting block 23 is located at the same side and right above the first fixing seat 21, a bearing block 25 is fixed between the two lifting blocks 23, a second fixing seat 24 is provided vertically above each lifting block 23, the bottom end of each second fixing seat 24 is rotatably connected to the same side of the leading screw 22 through a bearing, four top corners of the bottom surface of the support frame 2 are all fixed with universal wheels 28 through bolts.

Referring to fig. 1, a rotating handwheel 225 is fixed to each of the rotating shafts 224 through an outer surface of one end of the second fixing seat 24 on the same side, and a handle 226 is fixed to a surface of one side of each of the rotating handwheels 225 away from the rotating shaft 224 on the same side. In this embodiment, through the cooperation of the rotating hand wheel 225 and the handle 226, the worker can drive the rotating hand wheel 225 thereon to rotate by holding the handle 226, and further drive the rotating shaft 224 on the rotating hand wheel 225 to rotate, and since the handle 226 revolves around the rotating shaft 224 on the rotating hand wheel 225, the arm of the worker can be extended, thereby providing convenience for the worker to use the rotating shaft 224.

Please refer to fig. 1 again, a plurality of dust-proof boards 27 are fixed in the frame body of the supporting frame 2, the plurality of dust-proof boards 27 are disposed around the two first fixing seats 21, in this example, the supporting frame 2 can be prevented from dust by the dust-proof boards 27 thereon and radiate heat by the heat radiating holes 271 of the dust-proof boards 27 through the cooperation of the dust-proof boards 27 and the heat radiating holes 271.

Referring to fig. 2, a plurality of shock absorbers 251 are fixed to the bottom end of the bearing block 25, and a bearing plate 252 is connected to the bottom ends of the shock absorbers 251. In this embodiment, through the cooperation of the shock absorber 251 and the bearing plate 252, the bearing block 25 can reduce the impact on the bearing plate 252 at the bottom end of the shock absorber 251 through the shock absorber 251 at the bottom end, so as to prolong the vibration of the casing of the frequency converter and prolong the service life of the frequency converter.

Please refer to fig. 2 again, two sides of each lead screw 22 are symmetrically provided with a sliding column 26, and two ends of each sliding column 26 are respectively fixed on the shells of the first fixing seat 21 and the second fixing seat 24 on the same side. In this embodiment, the cooperation of the sliding column 26 and the lifting block 23 enables the lifting block 23 to guide itself through the sliding column 26 penetrating through the housing thereof, so as to prevent the lifting block 23 from rotating under the driving of the screw rod 22.

Referring to fig. 3, the two second fixing seats 24 are both hollow structures, a rotating gear 221 is disposed in each second fixing seat 24, each rotating gear 221 is fixed to the same side, the screw rod 22 penetrates through the outer surface of one end of the second fixing seat 24, and the two rotating gears 221 are rotatably connected through a chain. In the present embodiment, since the turning gears 221 are connected to each other through a chain, when one of the lead screws 22 rotates, the turning gear 221 on the lead screw 22 transmits torque to the turning gear 221 on the other lead screw 22 through the chain, so that the two lead screws 22 rotate synchronously.

Please refer to fig. 3 again, a first bevel gear 222 is coaxially disposed at a top end of each of the rotating gears 221, a second bevel gear 223 is engaged with a side of each of the first bevel gears 222 away from another one of the rotating gears 221, and each of the second bevel gears 223 is rotatably connected to the second fixing base 24 on the same side through a rotating shaft 224. In this embodiment, when the rotating shaft 224 rotates due to the cooperation of the first bevel gear 222 and the second bevel gear 223, the second bevel gear 223 on the rotating shaft 224 is engaged with the first bevel gear 222 on the lead screw 22, so that the torque is transmitted to the lead screw 22, and the lead screw 22 is driven to rotate.

The utility model discloses a concrete operation as follows:

when the frequency converter is used, a worker firstly moves to a working position through the universal wheel 28 at the bottom end of the main cabinet 1, then holds the handle 226 to drive the rotating hand wheel 225 thereon to rotate, and further drives the rotating shaft 224 on the rotating hand wheel 225 to rotate, because the second bevel gear 223 on the rotating shaft 224 is meshed with the first bevel gear 222 on the lead screw 22, torque is transmitted to the lead screw 22 to drive the lead screw 22 to rotate, because the rotating gears 221 are connected with each other through a chain, when one lead screw 22 rotates, the rotating gear 221 on the lead screw 22 transmits torque to the rotating gear 221 on the other lead screw 22 through the chain, so that the two lead screws 22 rotate synchronously, the lifting blocks 23 on the two lead screws 22 convert the rotary motion of the lead screws 22 into self linear motion through lead screw nuts, and the two lifting blocks 23 drive the pressure blocks 25 thereon to move along the vertical direction, until it contacts the ground and causes the casters 28 at the bottom of the main cabinet 1 to hang.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The multifunctional frequency converter comprises a main machine cabinet (1) and is characterized in that a supporting frame (2) is fixed at the bottom end of the main machine cabinet (1), first fixing seats (21) are fixed in a frame body of the supporting frame (2), two first fixing seats (21) are symmetrically arranged at two ends of the frame body of the supporting frame (2), a lead screw (22) is rotatably connected to the top end surface of each first fixing seat (21) through a bearing, a lifting block (23) is connected to the outer surface of each lead screw (22), each lifting block (23) is located on the same side of the lifting block (23) and is vertically above the first fixing seat (21), a bearing block (25) is fixed between the two lifting blocks (23), and a second fixing seat (24) is arranged vertically above each lifting block (23), the bottom end of each second fixed seat (24) is rotatably connected with the top end of the lead screw (22) on the same side through a bearing;

four top angles of the bottom surface of the supporting frame (2) are all fixed with universal wheels (28) through bolts.

2. The multi-functional frequency converter according to claim 1, characterized in that, both sides of each lead screw (22) are symmetrically provided with a sliding column (26), and both ends of each sliding column (26) are respectively fixed on the same side of the housing of the first fixing base (21) and the second fixing base (24).

3. The multifunctional frequency converter according to claim 1, wherein the two second fixing seats (24) are both hollow structures, a rotating gear (221) is arranged in each second fixing seat (24), each rotating gear (221) is fixed on the same side, the screw rod (22) penetrates through the outer surface of one end of each second fixing seat (24), and the two rotating gears (221) are rotatably connected through a chain.

4. A multifunctional frequency converter according to claim 3, characterized in that a first bevel gear (222) is coaxially arranged on the top end of each rotating gear (221), a second bevel gear (223) is engaged with one side of each first bevel gear (222) far away from the other rotating gear (221), and each second bevel gear (223) is rotatably connected with the second fixed seat (24) on the same side through a rotating shaft (224).

5. The multi-functional frequency converter according to claim 4, characterized in that, a rotating hand wheel (225) is fixed on each rotating shaft (224) through the outer surface of one end of the second fixed seat (24) on the same side, and a handle (226) is fixed on the surface of one side of each rotating hand wheel (225) far away from the rotating shaft (224) on the same side.

6. The multi-functional frequency converter according to claim 1, characterized in that a plurality of dust-proof plates (27) are fixed in the frame body of the supporting frame (2), the plurality of dust-proof plates (27) are arranged around the two first fixing seats (21), and a plurality of heat dissipation holes (271) are formed in the housing of each dust-proof plate (27).

7. The multi-functional frequency converter according to claim 1, characterized in that a plurality of shock absorbers (251) are fixed to the bottom end of the bearing block (25), and a bearing plate (252) is connected to the bottom ends of the shock absorbers (251).