CN215436497U

CN215436497U - Converter floor truck

Info

Publication number: CN215436497U
Application number: CN202121022664.XU
Authority: CN
Inventors: 许博; 杨帆; 王顺; 丁绍林; 梁巍; 赵学博; 柳伟; 树义良; 曲艳慧; 郭磊
Original assignee: Qingdao Port International Co Ltd; Qingdao Qianwan Container Terminal Co Ltd
Current assignee: Qingdao Port International Co Ltd; Qingdao Qianwan Container Terminal Co Ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-01-07
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a frequency converter carrying trolley which comprises a bearing platform, a plurality of rollers and a dragging tool, wherein the bearing platform is provided with a plurality of rollers; the supporting platform is used for supporting the frequency converter; each roller is arranged below the bearing platform, connected with the bearing platform and used for moving the bearing platform; the dragging tool is fixedly arranged relative to the bearing platform and comprises a dragging rope and a hanging piece; the hanging piece is used for hanging the frequency converter; and the dragging rope is used for tightening the hanging piece to drag the frequency converter during recovery. The frequency converter trolley can be provided with the supporting platform, and the height of the supporting platform is the same as that of the bottom of an electric appliance cabinet for placing a frequency converter; firstly, the height difference between the bearing platform and the electrical cabinet is avoided, so that the frequency converter is conveniently and directly pulled to the bearing platform from the electrical cabinet, and time and labor are saved; then, the dragging rope drags slowly, the stress is uniform, and the labor is saved and the safety is realized; finally, the supporting platform is moved by the aid of the rollers, and therefore labor is saved and efficiency is high.

Description

Converter floor truck

Technical Field

The utility model belongs to the technical field of transport means, and particularly relates to a frequency converter carrying trolley.

Background

The shore bridge belongs to large-scale mechanical equipment, and the converter belongs to the core actuating system of equipment. The frequency converter unit that bank bridge used generally installs in the regulator cubicle, because its bulky weight is heavy, makes its transport when maintaining or changing difficult.

At present, need more than three personnel to carry the operation, and the unstable condition of standing appears easily in the converter unit among the handling, and the porter has the risk of being injured by a crashing object. Therefore, the maintenance operation of the existing frequency converter unit is time-consuming, labor-consuming and dangerous.

Disclosure of Invention

The utility model provides a frequency converter carrying trolley which is provided with a bearing platform and an auxiliary dragging tool, so that time and labor are saved, and the carrying work is safer.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a frequency converter carrying trolley comprises a bearing platform, a plurality of rollers and a dragging tool;

the supporting platform is used for supporting the frequency converter;

each roller is arranged below the bearing platform, connected with the bearing platform and used for moving the bearing platform;

the dragging tool is fixedly arranged relative to the bearing platform and comprises a dragging rope and a hanging piece; the hanging piece is used for hanging the frequency converter; and the dragging rope is used for tightening the hanging piece to drag the frequency converter to the bearing platform when being recovered.

In one embodiment, the pulling tool further comprises a hand-cranking device, a cut-off device;

the dragging rope is a steel wire rope, is wound on the hand-operated device and is recovered or released by operating the hand-operated device;

the cut-off device is connected with the hand-cranking device and comprises a cut-off state and a release state; when the cut-off device is in the cut-off state, the steel wire rope is locked; when the cut-off device is in the release state, the steel wire rope can be recovered or released.

In one embodiment, the device further comprises a fixing device, wherein the fixing device comprises a first fixing piece and a second fixing piece, the first fixing piece and the second fixing piece are respectively provided with upward height, are respectively positioned at two sides of the width direction of the bearing platform, and are fixedly connected with the bearing platform;

when the frequency converter is positioned on the bearing platform, the frequency converter is positioned between the first fixing piece and the second fixing piece.

In one embodiment, the fixing device further includes a first adjusting member and a second adjusting member, which are respectively located above the first fixing member and the second fixing member and respectively connected to the first fixing member and the second fixing member;

the first adjusting piece and the second adjusting piece can be adjusted in a telescopic mode in the width direction of the bearing platform.

In one embodiment, the first adjusting member and the second adjusting member each comprise a threaded member and a bolt;

the screw hole piece comprises a screw hole matched with the bolt in a connecting way; each screw hole piece is respectively and fixedly connected with the first fixing piece and the second fixing piece, so that the axis of each screw hole is the same as the width direction of the bearing platform; the heads of the bolts are outwards arranged on the screw hole pieces respectively.

In one embodiment, the rubber cap comprises an inner thread matched with the bolt connection; and each rubber cap is respectively in threaded connection with the tail end of each bolt.

In some embodiments, a stop block is further included; the bearing platform comprises a first end and a second end; the blocking block is positioned above the first end and fixedly connected with the bearing platform;

the pulling tool is located outside the first end.

In some embodiments, the device further comprises a handle and a column; the upright post is positioned in front of the first end and is fixedly connected with the bearing platform; the dragging tool is arranged above the upright post;

the handle is arranged at the upper end of the upright post.

In some embodiments, at least one of the rollers is a universal wheel; at least one universal wheel is provided with a brake device.

In some embodiments, the number of the universal wheels is one, and the universal wheels are arranged at the lower end of the upright post and connected with the upright post.

Compared with the prior art, the utility model has the advantages and positive effects that: the frequency converter trolley can be provided with the supporting platform, and the height of the supporting platform is the same as that of the bottom of an electrical cabinet for placing a frequency converter; when the electric cabinet is used, the bearing platform is connected with the bottom of the electric cabinet; the hanging piece is hung on a handle of the frequency converter, and the frequency converter can be pulled out of the electrical cabinet and pulled to a bearing platform by recovering the pulling rope; the supporting platform moves under the assistance of the rollers. Firstly, the height difference between the bearing platform and the electrical cabinet is avoided, so that the frequency converter can be conveniently and directly moved to the bearing platform from the electrical cabinet, and time and labor are saved; then, the dragging rope drags slowly, the stress is uniform, and the labor is saved and the safety is realized; finally, the supporting platform is moved by the aid of the rollers, and therefore labor is saved and efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a frequency converter trolley according to the present invention.

In the figure, the position of the upper end of the main shaft,

1. a support platform; 2. a pulling tool; 3. a fixing device; 4. a roller; 5. a universal wheel; 6. a blocking block; 7. a column; 8. a brake device; 9. a handle; 11. a first end; 12. a second end; 21. pulling a rope; 22. hanging and connecting pieces; 23. a hand cranking device; 31. a first fixing member; 32. a second fixing member; 33. a first adjustment member; 34. a second adjustment member; 351. a threaded member; 352. a bolt; 353. a rubber cap; d1, width direction; d2, length direction.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

Referring to fig. 1, the utility model discloses a frequency converter carrying trolley, which comprises a supporting platform 1, a plurality of rollers 4 and a dragging tool 2.

The supporting platform 1 is set to be the same as or lower than the bottom of an electrical cabinet provided with a frequency converter. The bottom of the frequency converter comprises a frequency converter roller.

Each roller 4 is arranged below the bearing platform 1, is respectively connected with the bearing platform 1 and is used for assisting the bearing platform 1 to move, and the frequency converter carrying trolley is more labor-saving and efficient to move by utilizing the rolling of the rollers 4.

The dragging tool 2 is fixedly arranged relative to the supporting platform 1 and comprises a dragging rope 21 and a hanging piece 22. And a frequency converter handle is arranged on the front panel of the frequency converter. The hanging piece 22 is used for hanging the frequency converter handle. The dragging rope 21 can be recovered and released; when the dragging rope 21 is retracted, the hanging piece 22 is tightened to further drag the frequency converter, so that the frequency converter is dragged out of the electrical cabinet.

The frequency converter trolley can be provided with the supporting platform 1 with the same height as the bottom of an electrical cabinet for placing a frequency converter; when the electric cabinet is used, the supporting platform 1 is connected with the bottom of the electric cabinet; the hanging piece 22 is hung on a handle of the frequency converter, and the frequency converter can be pulled out of the electrical cabinet and pulled to the bearing platform 1 by recovering the pulling rope 21; the pallet 1 is moved with the aid of the rollers 4. Firstly, the height difference between the bearing platform 1 and the electrical cabinet is avoided, so that the frequency converter can be conveniently and directly moved to the bearing platform 1 from the electrical cabinet, and time and labor are saved; then, the dragging rope 21 drags slowly, so that the frequency converter is stressed uniformly, is not easy to topple over, and is labor-saving and safe; finally, the supporting platform 1 is moved by the aid of the rollers 4, so that labor is saved and efficiency is high.

In an embodiment, with reference to figure 1, the towing tool 2 further comprises a hand-cranking means 23, a cut-off means (not shown in the figures); the pull-cord 21 may be retracted or released when the hand crank 23 is operated by hand. The dragging rope 21 is a steel wire rope, and the dragging rope 21 is recovered when being wound on the hand cranking device 23; otherwise, releasing.

The cut-off device is connected with the hand-operated device 23 and comprises a cut-off state and a release state; when the cut-off device is in a cut-off state, the dragging rope 21 is locked; when the cut-off device is in the released state, the tow rope 21 can be retracted or released.

The present embodiment uses the conventional hand-operated device 23 to save more labor when the tow rope 21 is recovered. In addition, the stopping device locks the dragging rope 21 when the frequency converter is dragged to the bearing platform 1, so that the frequency converter is locked in the direction opposite to the direction of recovering the dragging rope 21, the frequency converter is more stable in the carrying process, and the carrying safety is improved.

In one embodiment, referring to fig. 1, the frequency converter carrying cart further comprises a fixing device 3, which comprises a first fixing member 31 and a second fixing member 32. The first fixing member 31 and the second fixing member 32 each have an upward height, and are preferably set to a height higher than a half of the inverter; the first fixing member 31 and the second fixing member 32 are respectively located at two sides of the supporting platform 1 in the width direction D1, and are respectively fixedly connected with the supporting platform 1.

When the frequency converter is positioned on the supporting platform 1, the frequency converter is positioned between the first fixing piece 31 and the second fixing piece 32. That is, the first fixing member 31 and the second fixing member 32 are respectively located at both sides of the inverter, and limit the position of the inverter in the width direction D1 of the supporting platform 1, so that the position of the inverter is more fixed in the carrying process, and the height of the inverter is greater than half of the height of the inverter, so that the inverter is prevented from falling down, and the carrying safety is improved.

In an embodiment, referring to fig. 1, the fixing device 3 further includes a first adjusting member 33 and a second adjusting member 34 respectively located above the first fixing member 31 and the second fixing member 32, respectively connected to the first fixing member 31 and the second fixing member 32, and telescopically adjustable in the width direction D1 of the supporting platform 1.

In the embodiment, the gap between the frequency converter and the fixing device 3 is adjusted by the first adjusting piece 33 and the second adjusting piece 34, so that the frequency converter is more fixed, and the carrying safety of the frequency converter is further improved.

In one embodiment, referring to fig. 1, each of the first and

second adjusting members

33 and 34 includes a threaded member 351 and a bolt 352.

The screw member 351 includes a screw hole adapted to be coupled with the bolt 352; each screw hole member 351 is fixedly connected with the first fixing member 31 and the second fixing member 32 respectively, so that the axis of the screw hole is the same as the width direction D1 of the bearing platform 1; the bolts 352 are attached to the screw members 351 with their heads facing outward.

In the embodiment, the head of the bolt 352 is screwed to adjust the position of the bolt 352 in the threaded member 351, so that the gap between the frequency converter and the fixing device 3 is adjusted, the moving space is reduced, and the frequency converter is more stable.

Preferably, rubber caps 353 are provided at the ends of the bolts 352, respectively. The bolt 352 is prevented from being in rigid contact with the frequency converter, and the shell of the frequency converter is prevented from being damaged.

Further preferably, the rubber cap 353 is provided with an internal thread adapted to be connected with the bolt 352; each rubber cap 353 is respectively in threaded connection with the tail end of each bolt 352, so that the connection between the rubber caps 353 and the bolts 352 is more reliable.

In some embodiments, referring to fig. 1, the frequency converter handling cart further comprises a stop 6; the supporting platform 1 comprises a first end 11 and a second end 12; the pulling tool 2 is located forward of the first end 11; the stop block 6 is positioned below the dragging tool 2 and on the bearing platform 1, is fixedly connected with the bearing platform 1 and protrudes out of the plane of the bearing platform 1.

In the embodiment, the position of the drawing rope 21 in the recovery direction is limited by the stop block 6, and the position of the drawing rope in the length direction D2 of the bearing platform 1 is limited together with the drawing tool 2, so that the frequency converter is stable in the conveying process, and the conveying safety is improved.

In some embodiments, referring to fig. 1, the frequency converter floor cart further comprises a handle 9, a column 7; the upright post 7 is positioned in front of the first end 11 and is fixedly connected with the bearing platform 1; dragging tool 2 is arranged above upright post 7, so that it is located in the middle of the frequency converter, and the balance of the frequency converter is kept when the frequency converter is dragged, so that the dragging is safer.

The handle 9 is arranged at the upper end of the upright post 7, so that the frequency converter carrying trolley can be conveniently dragged to transfer the position.

In some embodiments, referring to fig. 1, at least one of the rollers 4 is a universal wheel 5; at least one of the castor wheels 5 is provided with a brake device 8.

When the frequency converter is dragged to the frequency converter carrying trolley by the electrical cabinet, the frequency converter carrying trolley is required to be fixed, the frequency converter carrying trolley can be realized through the brake device 8 instead of being fixed by manpower, the labor is reduced, and the carrying efficiency is improved.

Preferably, referring to fig. 1, the universal wheels 5 are one in number, are arranged at the lower end of the upright post 7, and are connected with the upright post 7.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A converter floor truck, characterized by, includes:

the supporting platform is used for supporting the frequency converter;

the rollers are arranged below the bearing platform, connected with the bearing platform and used for moving the bearing platform;

2. The frequency converter handling cart of claim 1, wherein said pulling tool further comprises a hand crank, a cutoff device;

3. The frequency converter carrying trolley according to claim 1, further comprising a fixing device, which comprises a first fixing member and a second fixing member, each of which has an upward height, is respectively located at two sides of the width direction of the bearing platform, and is fixedly connected with the bearing platform;

4. The frequency converter carrying trolley according to claim 3, wherein the fixing device further comprises a first adjusting member and a second adjusting member respectively located above the first fixing member and the second fixing member and respectively connected to the first fixing member and the second fixing member;

5. The frequency converter floor truck of claim 4, wherein the first and second adjustment members each comprise a threaded member, a bolt;

6. The frequency converter floor truck of claim 5, further comprising two rubber caps comprising internal threads adapted to fit said bolted connections; and each rubber cap is respectively in threaded connection with the tail end of each bolt.

7. The inverter carrying cart according to any one of claims 1 to 6, further comprising a stopper; the bearing platform comprises a first end and a second end; the blocking block is positioned above the first end and fixedly connected with the bearing platform;

the pulling tool is located outside the first end.

8. The frequency converter floor truck of claim 7, further comprising a handle, a column; the upright post is positioned in front of the first end and is fixedly connected with the bearing platform; the dragging tool is arranged above the upright post;

the handle is arranged at the upper end of the upright post.

9. The frequency converter floor truck of claim 8, wherein at least one of said rollers is a universal wheel; at least one universal wheel is provided with a brake device.

10. The frequency converter carrying trolley according to claim 9, wherein the number of the universal wheels is one, and the universal wheels are arranged at the lower end of the upright and connected with the upright.