CN215477072U

CN215477072U - Universal transportation support for frequency converter

Info

Publication number: CN215477072U
Application number: CN202121851109.8U
Authority: CN
Inventors: 奉刘平
Original assignee: Shenzhen Sinexcel Electrical Co ltd
Current assignee: Shenzhen Sinexcel Electrical Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-11
Anticipated expiration: 2031-08-09

Abstract

The utility model relates to the technical field of frequency converters, and particularly discloses a universal transportation support for frequency converters, which is suitable for frequency converters with various models and sizes and can perform shock absorption protection on the frequency converters, wherein the universal transportation support for the frequency converters comprises a supporting assembly, a fence assembly and a containing assembly, the supporting assembly comprises a base and a bottom plate arranged at the top of the base, a shock absorption mechanism is arranged between the base and the bottom plate, and a rolling piece is arranged at the bottom of the base; the fence component comprises a plurality of railings which surround the bottom plate and are respectively hinged with the base, and a plurality of upright posts which surround the bottom plate and are respectively inserted on the base, the railings and the upright posts which are positioned on the same side of the bottom plate are detachably connected, and the railings, the upright posts and the bottom plate surround to form a containing space; the storage assembly is contained in the storage space and comprises a small box, a middle box and a large box which are sequentially stacked from bottom to top on the top of the bottom plate, a cover plate is arranged on the top of the large box, and the small box, the middle box and the large box are respectively used for storing the frequency converter.

Description

Universal transportation support for frequency converter

Technical Field

The utility model relates to the technical field of frequency converters, in particular to a universal transportation support for a frequency converter.

Background

The frequency converter is an electric control device which applies frequency conversion technology and microelectronic technology and controls the work of an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (converting alternating current into direct current), a filtering unit, an inverting unit (converting direct current into alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like, the voltage and the frequency of an output power supply are adjusted through the on-off of an Insulated Gate Bipolar Transistor (IGBT for short) in the frequency converter, the required power supply voltage is provided according to the actual requirement of the motor, and the purposes of energy conservation and speed regulation are further achieved; in addition, the frequency converter also has the functions of overcurrent, overvoltage, overload protection and the like. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

In the transportation process of converter, often set up the transportation support and protect the converter to prevent that the converter from receiving the damage, in practical application, most of workplaces need a plurality of converters that size is different usually. The traditional frequency converter transportation support is simple in structure, generally only can be suitable for a single type of frequency converter, and cannot be used for loading frequency converters of different types at the same time, so that the universality is poor; in addition, traditional converter transportation support is easy to shake when transporting, and then makes the converter of loading on the transportation support receive the damage, is difficult to realize the protection to the converter.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a general transportation support of converter that is applicable to multiple model size converter and can carry out shock attenuation protection to the converter to the technical problem that the commonality is relatively poor and the shock attenuation effect is not enough.

A universal transport support for frequency converters, the universal transport support for frequency converters comprising:

the supporting assembly comprises a base and a bottom plate arranged at the top of the base, a damping mechanism is arranged between the base and the bottom plate, and a rolling piece is arranged at the bottom of the base;

the fence component comprises a plurality of railings which surround the bottom plate and are respectively hinged with the base, and a plurality of upright posts which surround the bottom plate and are respectively inserted on the base, the railings and the upright posts which are positioned on the same side of the bottom plate are detachably connected, and the railings, the upright posts and the bottom plate surround to form a containing space; and

the storage assembly is accommodated in the storage space and comprises a small box, a middle box and a large box which are stacked from bottom to top in sequence at the top of the bottom plate, a cover plate is arranged at the top of the large box, and the small box, the middle box and the large box are respectively used for storing the frequency converter.

In one embodiment, the damping mechanism includes a plurality of connecting rods penetrating through the top and bottom surfaces of the base and slidably connected with the base, and a plurality of springs sleeved on the connecting rods in a one-to-one correspondence manner, one ends of the connecting rods are fixedly connected with the bottom plate, the other ends of the connecting rods are fixedly connected with a baffle, and the connecting rods are uniformly distributed on the bottom surface of the bottom plate.

In one embodiment, the bottom of the base is further provided with a parking mechanism, the parking mechanism comprises a driving part arranged at the bottom of the base, the output end of the driving part is fixedly connected with a supporting leg, and the bottom of the supporting leg is provided with an anti-skid pad.

In one embodiment, the driving member is an electric push rod, a hydraulic rod or a motor slider.

In one embodiment, the bottom surface of the small box, the bottom surface of the middle box, the bottom surface of the large box and the bottom surface of the cover plate are respectively provided with a butt joint groove, and the top surface of the bottom plate, the top surface of the small box, the top surface of the middle box and the top surface of the large box are respectively provided with a clamping ring which is correspondingly matched with the butt joint grooves one by one.

In one embodiment, cushions are fixedly connected to the inner walls of the small box, the middle box and the large box respectively, and the cushions are made of plastic foam.

In one embodiment, the outer side wall of the small box, the outer side wall of the middle box and the outer side wall of the large box are respectively and fixedly connected with positioning rings, the positioning rings are located on the same straight line, and the vertical rod sequentially penetrates through the positioning rings and is inserted into the base.

In one embodiment, the fence assembly further includes an insertion rod, the rail and the upright are respectively provided with a through hole, and the insertion rod sequentially penetrates through the through holes and is respectively connected with the rail and the upright in a sliding manner.

In one embodiment, a blocking piece is arranged at one end of the inserting rod, a limiting groove is formed in the rod body of the inserting rod, a through hole is formed in the railing or the upright rod, a fixing pin penetrates through the through hole, and the fixing pin is embedded into the limiting groove and limits the position of the inserting rod.

In one embodiment, the rolling members are rollers or universal wheels.

According to the universal transportation bracket for the frequency converter, the small box, the middle box and the large box are stacked on the bottom plate, and in the transportation process of the frequency converter, the corresponding box bodies are selected according to the size of the frequency converter for storage, so that the frequency converters with different sizes can be loaded at the same time, and the universality of the transportation bracket is improved; the fence assembly is arranged, so that the positions of the box bodies are limited, the box bodies are prevented from collapsing, and the stability of the transportation support structure and the safety of the frequency converter in the transportation process are improved; through set up damper between bottom plate and base, when receiving outside vibrations impact at the transportation support removal in-process, damper can cushion vibrations to the protection of realization to the converter prevents that the converter is impaired.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a universal transportation bracket for a frequency converter according to an embodiment of the present invention;

FIG. 2 is a partial schematic structural view of a support assembly in accordance with an embodiment of the present invention;

FIG. 3 is a partially enlarged view of the portion A in the embodiment shown in FIG. 1;

FIG. 4 is a schematic structural view of a fence assembly in accordance with an embodiment of the present invention;

fig. 5 is a partial cross-sectional view of a receiving assembly according to an embodiment of the utility model.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1, the present invention provides a universal transportation bracket 10 for frequency converters, which is suitable for frequency converters of various models and sizes and can perform shock absorption protection on the frequency converters, the universal transportation bracket 10 for frequency converters includes a supporting assembly 100, a rail assembly 200 and a receiving assembly 300, wherein the supporting assembly 100 provides mounting positions for the rail assembly 200 and the receiving assembly 300, and is used for receiving and driving the rail assembly 200 and the receiving assembly 300 to move, so as to realize position transfer of the frequency converters; the rail assembly 200 is used for limiting the arrangement position of the receiving assembly 300 and preventing the receiving assembly 300 from sliding or collapsing during the movement of the transporting support 10, so as to improve the stability of the overall structure of the transporting support 10; the receiving assembly 300 is used for receiving the frequency converter and protecting the frequency converter.

Specifically, the supporting assembly 100 includes a base 110 and a bottom plate 120 disposed on the top of the base 110, a shock absorbing mechanism 130 is disposed between the base 110 and the bottom plate 120, rolling members 140 are mounted on the bottom of the base 110, and the rolling members 140 are rollers or universal wheels. Preferably, the rolling members 140 are universal wheels, which facilitate movement of the transportation stand 10 and adjustment of the moving direction of the transportation stand 10. Further, the projection of the bottom plate 120 in the vertical direction falls within the range of the top surface of the base 110, in other words, the size of the bottom plate 120 is smaller than that of the base 110, and when the bottom plate 120 is mounted on the base 110 by the shock absorbing mechanism 130, there is a distance from the edge of the bottom plate 120 to the edge of the base 110, so as to facilitate the mounting of the rail assembly 200.

Referring to fig. 1 and fig. 2, in an embodiment, the damping mechanism 130 includes a plurality of connecting rods 131 penetrating through the top and bottom surfaces of the base 110 and slidably connected to the base 110, and a plurality of springs 132 sleeved on the connecting rods 131 in a one-to-one manner, that is, each connecting rod 131 is sleeved with one spring 132, one end of each connecting rod 131 is fixedly connected to the bottom plate 120, the other end of each connecting rod 131 is fixedly connected to a baffle 133, and the baffle 133 is used to limit the relative position between the connecting rod 131 and the base 110, so as to prevent the connecting rod 131 from sliding out of the base 110, and further prevent the bottom plate 120 from falling off the base 110, thereby improving the structural stability of the transportation support 10 during movement. When the transportation support 10 moves and generates vibration due to uneven road surface or external impact, the mechanical energy generated by the vibration on the base 110 is converted into elastic potential energy of the spring 132, and less mechanical energy is transmitted to the bottom plate 120 and even the containing assembly 300, thereby realizing the shock absorption protection of the frequency converter. In this embodiment, each connecting rod 131 is evenly distributed on the bottom surface of bottom plate 120, and like this, when base 110 received external shock, the impact force can be even distribute to each spring 132 on, and then make the power that transmits to on bottom plate 120 more even to rock when accepting the inequality because of bottom plate 120, and then influence the transportation of converter.

Further, referring to fig. 1 and fig. 3, a parking mechanism 150 is further installed at the bottom of the base 110, the parking mechanism 150 includes a driving member 151 installed at the bottom of the base 110, a supporting leg 152 is fixedly connected to an output end of the driving member 151, a non-slip pad 153 is installed at the bottom of the supporting leg 152, and the non-slip pad 153 may be a silica gel pad or a rubber pad with non-slip patterns at the bottom thereof, so as to increase a friction force when the bottom of the supporting leg 152 contacts the ground, and prevent the transportation support 10 from slipping when parked. Preferably, the driving member 151 is an electric push rod, a hydraulic rod or a motor slider. By arranging the parking mechanism 150, when the transportation operation of the transportation bracket 10 is finished or the transportation is suspended, the parking mechanism 150 supports the base 110, so that the rolling members 140 leave the ground, the base 110 is prevented from moving under the driving of the rolling members 140, and the stability and reliability of the transportation bracket 10 during parking are ensured.

The rail assembly 200 includes a plurality of rails 210 surrounding the base plate 120 and respectively hinged to the base 110, and a plurality of vertical bars 220 surrounding the base plate 120 and respectively inserted into the base 110, wherein the rails 210 and the vertical bars 220 located on the same side of the base plate 120 are detachably connected, and each rail 210, the vertical bars 220 and the base plate 120 surround to form a receiving space. Preferably, two handrails 210 are respectively disposed on two opposite sides of the base plate 120, one handrail 210 is adjacent to one vertex angle portion of the base plate 120, the other handrail 210 is adjacent to the other vertex angle portion of the base plate 120, the vertical rod 220 is disposed between the two handrails 210, the number of the vertical rods 220 on one side of the base plate 120 can be one to multiple, and each handrail 210 and the vertical rod 220 are detachably connected to define the relative position relationship between the handrail 210 and the vertical rod 220. The hinged connection of the rail 210 and the base 110 provides convenience for loading and unloading the fence assembly 200, the rail 210 can be removed from the constraint of the fence assembly 200 only by rotating the rail 210, and when the upright rod 220 is inserted into the base 110, the rail 210 is difficult to further rotate relative to the base 110 under the constraint of the upright rod 220, so that the reliability of the constraint effect of the rail 210 on the fence assembly 200 is ensured.

Referring to fig. 1 and 4, in an embodiment, the fence assembly 200 further includes an insertion rod 230, the rail 210 and the upright 220 are respectively provided with a through hole, and the insertion rod 230 sequentially penetrates through the through holes and is slidably connected to the rail 210 and the upright 220 respectively. Thus, when each rail 210 rotates to be perpendicular to the base 110 and the vertical rod 220 is inserted into the base 110, the insertion rod 230 only needs to sequentially penetrate through each rail 210 and the vertical rod 220, so as to limit the rails 210 and the vertical rod 220. Furthermore, one end of the insertion rod 230 is provided with a blocking piece 231, a limit groove is formed on the rod body of the insertion rod 230, a through hole 240 is formed on the rail 210 or the upright rod 220, a fixing pin 250 penetrates through the through hole 240, and the fixing pin 250 is embedded into the limit groove and limits the position of the insertion rod 230. It should be noted that, in the embodiment, the position of the limiting groove on the insert rod 230 is required to be such that when the insert rod 230 passes through the balustrade 210 and the upright rod 220, the limiting groove is communicated with the through hole 240, and generally, the through hole 240 is opened on the balustrade 210 or the upright rod 220 closest to one end of the insert rod 230 far from the blocking piece 231. Through setting up fixed pin 250, when insert 230 is installed on railing 210 and pole setting 220, only need insert the spacing inslot of insert 230 with fixed pin 250 via through-hole 240, realize spacing to insert 230 promptly, prevent that insert 230 from coming off from railing 210 and pole setting 220, and then guarantee the stability that railing 210 and pole setting 220 connect to and railing 210 and pole setting 220 are to the reliability of the spacing operation of subassembly 300 of accomodating.

The accommodating assembly 300 is accommodated in the accommodating space, and includes a small box 310, a middle box 320 and a large box 330 stacked on the top of the bottom plate 120 from bottom to top in sequence, a cover plate 340 is disposed on the top of the large box 330, the small box 310, the middle box 320 and the large box 330 are respectively used for accommodating frequency converters, and the volume of each box is different so as to accommodate frequency converters with different sizes. Referring to fig. 2 and 5, in an embodiment, the bottom surface of the small box 310, the bottom surface of the middle box 320, the bottom surface of the large box 330, and the bottom surface of the cover plate 340 are respectively provided with a docking slot 350, and the top surface of the bottom plate 120, the top surface of the small box 310, the top surface of the middle box 320, and the top surface of the large box 330 are respectively provided with a collar 360 correspondingly engaged with the docking slot 350. In this way, when the boxes are stacked on the bottom plate 120 in sequence, the collar 360 on the bottom plate 120 is inserted into the docking slot 350 at the bottom of the small box 310, the collar 360 at the top of the small box 310 is inserted into the docking slot 350 at the bottom of the middle box 320, the collar 360 at the top of the middle box 320 is inserted into the docking slot 350 at the bottom of the large box 330, and the collar 360 at the top of the large box 330 is inserted into the docking slot 350 at the bottom of the cover plate 340, so that the limit matching between the boxes and the bottom plate 120, the adjacent boxes and the cover plate 340 is realized, the boxes and the bottom plate 120, the boxes and the cover plate 340 are prevented from shifting, and the stability of the overall structure of the storage assembly 300 and the stability of the storage assembly 300 mounted on the bottom plate 120 are improved.

In an embodiment, the inner walls of the small box 310, the middle box 320 and the large box 330 are respectively and fixedly connected with a buffer pad 370, the buffer pads 370 are made of plastic foam, and the buffer pads 370 are adhered to the inner walls of the boxes to protect the frequency converters arranged in the boxes and prevent the frequency converters from being damaged due to collision. The cushion pad 370 made of plastic foam has a low cost and can be frequently replaced after being damaged, so as to ensure the protection of the frequency converter. Further, referring to fig. 1, the outer side wall of the small box 310, the outer side wall of the middle box 320 and the outer side wall of the large box 330 are respectively and fixedly connected with positioning rings 380, the positioning rings 380 are located on the same straight line, and the vertical rod 220 sequentially penetrates through the positioning rings 380 and is inserted into the base 110. The holding ring 380 can be a handle with a through hole, and the holding part of the box during moving is provided by the holding ring 380, and the limit connecting part of the box and the vertical rod 220 is provided, so that the second limit of the storage assembly 300 is realized, and the stability of the storage assembly 300 on the bottom plate 120 is further improved.

In the using process of the transportation bracket 10, the frequency converter is correspondingly accommodated in a suitable box body according to the size of the frequency converter, then each box body is sequentially stacked on the base plate 120 through the matching of the butt joint groove 350 and the clamping ring 360, the vertical rod 220 penetrates through the positioning ring 380 and is inserted on the base 110, each rail 210 is rotated to enable each rail 210 to be respectively perpendicular to the plane of the base 110, the insertion rod 230 sequentially penetrates through each rail 210 and the vertical rod 220, the positioning of the rails 210 and the vertical rod 220 is realized, and the fixing pin 250 is fixed on the insertion rod 230, so that the installation and the positioning of the accommodating assembly 300 are realized. When the transportation bracket 10 needs to be parked, for example, when loading the transportation bracket 10 or after loading the transportation bracket 10, the driving member 151 is first started, and the supporting foot 152 is pushed by the driving member 151 to move until the rolling member 140 leaves the ground; when it is necessary to move the transportation frame 10, the driving member 151 operates to retract the supporting feet 152 until the anti-slip pads 153 are separated from the ground, i.e., the rolling members 140 contact the ground, so as to move the transportation frame 10.

According to the universal transportation bracket 10 for the frequency converter, the small box 310, the middle box 320 and the large box 330 are stacked on the bottom plate 120, and in the transportation process of the frequency converter, corresponding box bodies are selected according to the size of the frequency converter for storage, so that the frequency converters with different sizes can be loaded at the same time, and the universality of the transportation bracket 10 is improved; by arranging the fence assembly 200, the positions of the box bodies are limited, so that the box bodies are prevented from collapsing, and the structural stability of the transportation support 10 and the safety of the transportation process of the frequency converter are improved; by arranging the damping mechanism 130 between the bottom plate 120 and the base 110, when the transportation support 10 is impacted by external vibration during movement, the damping mechanism 130 can buffer the vibration, so as to protect the frequency converter and prevent the frequency converter from being damaged.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a general transportation support of converter which characterized in that includes:

2. The universal transportation bracket for frequency converters as claimed in claim 1, wherein the damping mechanism comprises a plurality of connecting rods penetrating through the top and bottom surfaces of the base and slidably connected with the base, and a plurality of springs sleeved on the connecting rods in a one-to-one correspondence manner, one ends of the connecting rods are fixedly connected with the bottom plate, the other ends of the connecting rods are fixedly connected with a baffle, and the connecting rods are uniformly distributed on the bottom surface of the bottom plate.

3. The universal transportation bracket for frequency converters as claimed in claim 1, wherein a parking mechanism is further installed at the bottom of the base, the parking mechanism comprises a driving member installed at the bottom of the base, the output end of the driving member is fixedly connected with a supporting foot, and the bottom of the supporting foot is provided with a non-slip pad.

4. Universal transport bracket for frequency converters according to claim 3, characterised in that the drive is an electric push rod, a hydraulic rod or a motor slide.

5. The universal transportation bracket for frequency converters as claimed in claim 1, wherein the bottom surface of the small box, the bottom surface of the middle box, the bottom surface of the large box and the bottom surface of the cover plate are respectively provided with a butt joint groove, and the top surface of the bottom plate, the top surface of the small box, the top surface of the middle box and the top surface of the large box are respectively provided with a collar which is correspondingly matched with the butt joint grooves one by one.

6. The universal transportation bracket for frequency converters as claimed in claim 1, wherein the inner walls of the small box, the middle box and the large box are respectively fixedly connected with cushions, and the cushions are made of plastic foam.

7. The universal transportation stand for frequency converters according to claim 1, wherein positioning rings are fixedly connected to the outer side wall of the small box, the outer side wall of the middle box and the outer side wall of the large box respectively, the positioning rings are located on the same straight line, and the vertical rod sequentially penetrates through the positioning rings and is inserted into the base.

8. The universal transportation bracket for frequency converters as claimed in claim 1, wherein the rail assembly further comprises an insertion rod, the rail and the vertical rod are respectively provided with a through hole, and the insertion rod sequentially penetrates through the through holes and is respectively connected with the rail and the vertical rod in a sliding manner.

9. The universal transportation bracket for frequency converters as claimed in claim 8, wherein a stop piece is provided at one end of the insertion rod, a limit groove is provided on the rod body of the insertion rod, a through hole is provided on the railing or the upright rod, a fixing pin is provided in the through hole, and the fixing pin is embedded in the limit groove and limits the position of the insertion rod.

10. Universal transport bracket for frequency converters according to any of claims 1 to 9, characterised in that the rolling members are rollers or universal wheels.