CN215072119U

CN215072119U - Flame-proof type mining low-voltage input variable frequency speed regulation device

Info

Publication number: CN215072119U
Application number: CN202121116538.0U
Authority: CN
Inventors: 王法成; 李允球; 王新宇; 王维国
Original assignee: Heilongjiang Beihua Electrical Equipment Co ltd
Current assignee: Heilongjiang Beihua Electrical Equipment Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-07
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a mining low-voltage input variable frequency speed device of flame-proof type, comprising a base plate, the top of bottom plate is embedded to have the box, the top of box is connected with the box lid through folding paper rotation, the dampproofing case of inner wall fixedly connected with of box lid, the inner wall bottom fixedly connected with notch board of box. The utility model relates to a mining converter technical field, this mining low-voltage input variable frequency speed device of flame-proof type, moreover, the steam generator is simple in structure, high durability and convenient use, and the design of fan, can carry out more quick cooling to equipment, can effectively avoid the equipment damage that causes because the temperature is too high, the service life of equipment is prolonged, and the design of dampproofing case, can effectively avoid equipment to wet, can effectual protective apparatus, avoided the equipment because the damage that causes wets, the economic cost is reduced, the design of first filter screen and second filter screen, can effectively prevent that equipment from getting into the dust.

Description

Flame-proof type mining low-voltage input variable frequency speed regulation device

Technical Field

The utility model relates to a mining converter technical field specifically is a mining low-voltage input variable frequency speed device of flame proof type.

Background

The frequency converter has been on the market in China for nearly 20 years, and due to the excellent performance and considerable power-saving effect, the frequency converter is widely applied to various industries, and the utilization rate reaches about 30 percent till now. Especially, the development is rapid in the last decade, and the annual increment rate is more than 20%. The application of the mining frequency converter is later than that of other frequency converters, but the development situation is rapid in the last five years, and the mining frequency converter has the trend of the first of all industries. The most fundamental reason is that the lagging electrical equipment cannot meet the requirement of industrial production, the old equipment has low efficiency and large energy consumption, and the technical problems in the development of the explosion-proof industry are to be solved urgently. Energy conservation, consumption reduction and low carbon emission are objective requirements for social development, and the state pays attention to technical upgrading and transformation of the explosion-proof industry. From the plan of 'eleven five' to the present, the technical development of the explosion-proof industry is changing day by day, and the application of the mining explosion-proof frequency converter is becoming wide, for example, the application number is: "201810450875. X", a novel low-voltage variable-frequency speed regulation device, including the low-voltage variable-frequency speed regulation device main part, there is a shell in the middle of the low-voltage variable-frequency speed regulation device main part, there is a button on one side of the shell, there is a display on the top of the button, and the display and button are the integral structure, there are sliding columns on both sides of the low-voltage variable-frequency speed regulation device main part, and the sliding column and the low-voltage variable-frequency speed regulation device main part are the integral structure, there is a groove in the middle of the sliding column, the arrangement of the sliding column and the fixed column improves the low-voltage variable-frequency speed regulation device mounting and dismounting steps, simplifies the work content, makes it more efficient, the worker only needs to aim the sliding column at the sliding chute inside the fixed column to slide slowly, then the damping spring and the rubber pad inside the bottom end of the fixed column can play a role in protecting the low-voltage variable-frequency speed regulation device, simplifies the mounting, the time is saved, the working difficulty of workers is reduced, and the practicability is improved.

Although present novel low pressure variable frequency speed device has simplified the installation, when the save time, has reduced staff's the work degree of difficulty, has increased the advantage of practicality, nevertheless does not possess cooling device, and equipment is easy high temperature in the use, damages equipment, has reduced the life of equipment to the moisture resistance of equipment is relatively poor, is not convenient for staff's use, is unsuitable to use widely on a large scale.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a mining low-voltage input variable frequency speed device of flame proof type has solved current low-voltage variable frequency speed device and has not possessed cooling device, and equipment easy high temperature is too high in the use, damages equipment, has reduced the life of equipment to the moisture resistance of equipment is relatively poor, and the staff's of being not convenient for use is unsuitable for the problem of using widely on a large scale.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a flame-proof type mining low-voltage input variable-frequency speed regulation device comprises a bottom plate, wherein a box body is embedded in the top of the bottom plate, a box body cover is rotatably connected above the box body through a hinge, both sides of the top of the box body cover are communicated with wire openings, the inner wall of the box body cover is fixedly connected with a moisture-proof box, the bottom of the inner wall of the box body is fixedly connected with a concave plate, a variable-frequency speed regulation device body is embedded in the top of the concave plate, and both sides of the top of the bottom plate are provided with fixing devices;

the fixing device comprises a support plate, a threaded rod, a curved rod, a sliding block and a sliding rail;

the bottom of the support plate is fixedly connected with the top of the bottom plate, a threaded rod is in threaded connection with the inner wall of the support plate, one end of the threaded rod is rotatably connected with a curved rod through a bearing, a sliding block is fixedly connected to the bottom of the curved rod, a sliding rail is slidably clamped on the inner wall of the sliding block, the bottom of the sliding rail is fixedly connected with the top of the bottom plate, and the tail end of the curved rod abuts against the outer wall of the box body.

Preferably, the end of the curved rod is fixedly connected with a gasket.

Preferably, one end of the threaded rod is provided with a handle.

Preferably, the outer wall of the box body is provided with a limiting device;

the limiting device comprises a clamping rod, a spring and a vertical pipe;

the outer wall clearance fit of kelly has the standpipe, the outer wall of standpipe and the outer wall looks rigid coupling of box, the bottom fixedly connected with spring of kelly, the other end of spring and the inner wall looks rigid coupling of standpipe, the outer wall of kelly is laminated with the outer wall of box and box lid in proper order mutually.

Preferably, a cooling device is arranged inside the box body;

the cooling device comprises a transverse plate, a fan, a first filter screen, a connecting plate, a second filter screen and an exhaust pipe;

one end of the transverse plate is fixedly connected with the inner wall of the box body, a fan is fixedly connected to the top of the transverse plate, the input end of the fan penetrates through the box body, a first filter screen is fixedly connected to the input end of the fan, a connecting plate is fixedly connected to one side of the inner wall of the box body through bolts, a second filter screen is fixedly connected to the inner wall of the connecting plate, and an exhaust pipe is communicated with one side of the inner wall of the box body.

The utility model provides a mining low-voltage input variable frequency speed control device of flame-proof type. The method has the following beneficial effects: this mining low-voltage input variable frequency speed device of flame-proof type, moreover, the steam generator is simple in structure, high durability and convenient use, and the design of dampproofing case, can effectively avoid equipment to wet, can effectual protective apparatus, avoid equipment because the damage that causes wets, the economic cost is reduced, the design of first filter screen and second filter screen can effectively prevent equipment entering dust, the design of box and box lid can realize the flame proof function, the use of staff has been made things convenient for, its concrete beneficial effect is as follows:

the support plate, the threaded rod, the curved rod, the sliding block and the sliding rail are matched, so that the box body can be effectively fixed, the damage caused by accidental falling of equipment in the working process is avoided, the maintenance cost of the equipment is reduced, and the box body is suitable for large-scale popularization and use;

through the cooperation of kelly, spring and standpipe, opening of can effective control box lid, can be more convenient overhaul equipment, made things convenient for staff's use to simple structure is difficult for breaking down convenient to use.

Through the design of diaphragm, fan, first filter screen, connecting plate, second filter screen and blast pipe, can carry out more quick cooling to equipment, can effectively avoid equipment because the damage that the high temperature caused, improved the life of equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of the threaded rod, the curved rod and the slide block in FIG. 1;

FIG. 3 is a schematic view of the connection relationship between the latch, the spring and the vertical tube in FIG. 1;

fig. 4 is a schematic structural diagram of a connection relationship between the box body, the fan and the first filter screen in fig. 1.

In the figure: 1. bottom plate, 2, fixing device, 201, extension board, 202, the threaded rod, 203, the curved bar, 204, the slider, 205, the slide rail, 3, stop device, 301, the kelly, 302, the spring, 303, the standpipe, 4, the box, 5, the box lid, 6, dampproofing case, 7, the concave plate, 8, variable frequency speed adjusting device body, 9, cooling device, 901, the diaphragm, 902, the fan, 903, first filter screen, 904, the connecting plate, 905, the second filter screen, 906, the blast pipe, 10, the wire guide mouth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

The utility model provides a technical scheme:

as shown in FIGS. 1-4, the flameproof mining low-voltage input variable frequency speed control device comprises a bottom plate 1, a box body 4 is embedded in the top of the bottom plate 1, a box body cover 5 is rotatably connected above the box body 4 through hinges, two sides of the top of the box body cover 5 are both communicated with a wire guide opening 10, a moisture-proof box 6 is fixedly connected to the inner wall of the box body cover 5, a concave plate 7 is fixedly connected to the bottom of the inner wall of the box body 1, the concave plate 7 plays a role of supporting a variable frequency speed control device body 8, a variable frequency speed control device body 8 is embedded in the top of the concave plate 7, two sides of the top of the bottom plate 1 are both provided with fixing devices 2, each fixing device 2 comprises a support plate 201, a threaded rod 202, a curved rod 203, a sliding block 204 and a sliding rail 205, the bottom of the support plate 201 is fixedly connected with the top of the bottom plate 1, the threaded rod 202 is in threaded connection with the threaded rod 202 through a bearing in a rotating manner, the curved bar 203 plays a role in limiting the position of the box body 4, the bottom of the curved bar 203 is fixedly connected with a sliding block 204, the inner wall of the sliding block 204 is slidably clamped with a sliding rail 205, the bottom of the sliding rail 205 is fixedly connected with the top of the bottom plate 1, the tail end of the curved bar 203 is tightly abutted with the outer wall of the box body 4, the tail end of the curved bar 203 is fixedly connected with a gasket, and one end of the threaded rod 202 is provided with a handle;

in the specific implementation process, it is worth pointing out that the box body 4 can be effectively fixed through the matching of the support plate 201, the threaded rod 202, the curved rod 203, the sliding block 204 and the sliding rail 205, the damage caused by the accidental falling of the equipment in the working process is avoided, the maintenance cost of the equipment is reduced, and the device is suitable for being popularized and used in a large range.

The outer wall of the box body 4 is provided with a limiting device 3, the limiting device 3 comprises a clamping rod 301, a spring 302 and a vertical pipe 303, the vertical pipe 303 is in clearance fit with the outer wall of the clamping rod 301, the outer wall of the vertical pipe 303 is fixedly connected with the outer wall of the box body 4, the spring 302 is fixedly connected to the bottom of the clamping rod 301, the spring 302 is matched with the clamping rod 301 to limit the position of the box body cover 5, the other end of the spring 302 is fixedly connected with the inner wall of the vertical pipe 303, the outer wall of the clamping rod 301 is sequentially attached to the outer walls of the box body 4 and the box body cover 5, and the cross section of the clamping rod 301 is rectangular;

in the specific implementation process, it is worth pointing out very much that, through the cooperation of kelly 301, spring 302 and standpipe 303, can effective control opening of box lid 5, can be more convenient overhaul equipment, made things convenient for staff's use to simple structure is difficult for breaking down, convenient to use.

A cooling device 9 is arranged in the box body 1, the cooling device 9 comprises a transverse plate 901, a fan 902, a first filter screen 903, a connecting plate 904, a second filter screen 905 and an exhaust pipe 906, one end of the transverse plate 901 is fixedly connected with the inner wall of the box body 4, the top of the transverse plate 901 is fixedly connected with the fan 902, the model of the fan 902 is HG-HF-150P, the input end of the fan 902 penetrates through the box body 4, the input end of the fan 902 is fixedly connected with the first filter screen 903, the mesh number of the first filter screen 903 is not specifically limited, and the use requirement can be met, the connecting plate 904 is fixedly connected to one side of the inner wall of the box body 4 through bolts, the second filter screen 905 is fixedly connected to the inner wall of the connecting plate 904, the mesh number of the second filter screen 905 is not specifically limited, and the use requirement can be met, and the exhaust pipe 906 is communicated with one side of the inner wall of the box body 4;

in the specific implementation process, it is worth pointing out that through the design of diaphragm 901, fan 902, first filter screen 903, connecting plate 904, second filter screen 905 and blast pipe 906, can carry out more quick cooling to equipment, can effectively avoid the damage that equipment caused because the high temperature has improved the life of equipment.

Therefore, when the flameproof mining low-voltage input variable-frequency speed regulation device is used, firstly, a box body 4 is placed on a groove in the top of a bottom plate 1, then a threaded rod 202 is twisted, at the moment, a curved rod 203 starts to move, meanwhile, a sliding block 204 slides on a sliding rail 205, when the curved rod 203 moves to a certain position, the threaded rod 202 is stopped being twisted, the equipment is fixed, at the moment, the equipment can start to work, when the equipment starts to work, an external control device of a fan 902 is switched on, at the moment, the fan 902 starts to work, the equipment is cooled, when a second filter screen 905 needs to be replaced, the clamping rod 301 is pressed downwards at first, when the clamping rod 301 completely leaves the outer wall of the box body cover 5, at the moment, the box body cover 5 can be opened, the second filter screen 905 can be replaced immediately, and the work is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mining low-voltage input variable frequency speed control device of flame-proof type, includes bottom plate (1), its characterized in that: a box body (4) is embedded in the top of the bottom plate (1), a box body cover (5) is rotatably connected above the box body (4) through a hinge, wire guiding openings (10) are respectively communicated with two sides of the top of the box body cover (5), a moisture-proof box (6) is fixedly connected to the inner wall of the box body cover (5), a concave plate (7) is fixedly connected to the bottom of the inner wall of the box body (4), a variable-frequency speed regulating device body (8) is embedded in the top of the concave plate (7), and fixing devices (2) are respectively arranged on two sides of the top of the bottom plate (1);

the fixing device (2) comprises a support plate (201), a threaded rod (202), a curved rod (203), a sliding block (204) and a sliding rail (205);

the bottom of extension board (201) and the top of bottom plate (1) are the rigid coupling mutually, the inner wall threaded connection of extension board (201) has threaded rod (202), the one end of threaded rod (202) is rotated through the bearing and is connected with curved bar (203), the bottom fixedly connected with slider (204) of curved bar (203), the inner wall slip joint of slider (204) has slide rail (205), the bottom of slide rail (205) and the top of bottom plate (1) are the rigid coupling mutually, the end of curved bar (203) offsets tightly with the outer wall of box (4).

2. The flame-proof type mining low-voltage input variable-frequency speed regulation device according to claim 1, characterized in that: the tail end of the curved rod (203) is fixedly connected with a gasket.

3. The flame-proof type mining low-voltage input variable-frequency speed regulation device according to claim 1, characterized in that: one end of the threaded rod (202) is processed with a handle.

4. The flame-proof type mining low-voltage input variable-frequency speed regulation device according to claim 1, characterized in that: the outer wall of the box body (4) is provided with a limiting device (3);

the limiting device (3) comprises a clamping rod (301), a spring (302) and a vertical pipe (303);

the outer wall clearance fit of kelly (301) has standpipe (303), the outer wall of standpipe (303) and the outer wall looks rigid coupling of box (4), the bottom fixedly connected with spring (302) of kelly (301), the other end of spring (302) and the inner wall looks rigid coupling of standpipe (303), the outer wall of kelly (301) laminates with the outer wall of box (4) and box lid (5) in proper order mutually.

5. The flame-proof type mining low-voltage input variable-frequency speed regulation device according to claim 1, characterized in that: a cooling device (9) is arranged in the box body (4);

the cooling device (9) comprises a transverse plate (901), a fan (902), a first filter screen (903), a connecting plate (904), a second filter screen (905) and an exhaust pipe (906);

one end of the transverse plate (901) is fixedly connected with the inner wall of the box body (4), a fan (902) is fixedly connected to the top of the transverse plate (901), the input end of the fan (902) penetrates through the box body (4), a first filter screen (903) is fixedly connected to the input end of the fan (902), a connecting plate (904) is fixedly connected to one side of the inner wall of the box body (4) through bolts, a second filter screen (905) is fixedly connected to the inner wall of the connecting plate (904), and an exhaust pipe (906) is communicated with one side of the inner wall of the box body (4).