CN209787028U

CN209787028U - Easy-to-maintain explosion-proof protective box body of frequency converter

Info

Publication number: CN209787028U
Application number: CN201920737042.1U
Authority: CN
Inventors: 齐仁龙
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2019-12-13
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to the technical field of frequency converters, in particular to a frequency converter explosion-proof protection box body convenient for maintenance, which comprises a shell for installing the frequency converter and an explosion-proof wiring cavity, the shell comprises a front plate, a rear plate, a No. I side plate, a No. II side plate, a bottom plate and an upper plate, the bottom plate is connected with a mounting plate in a sliding way, the upper part of the mounting plate is provided with a groove suitable for fixing the frequency converter, the bottom of the mounting plate is provided with sliding blocks which are integrated with the mounting plate at four corners, the bottom plate is provided with two grooves suitable for the sliding block to move, one end of the bottom plate is hinged with a No. I side plate, the recess extend to the one end of keeping away from the bottom plate on the curb plate of No. I, solve the outside problem that needs open the casing and waste time and energy when applying explosion-proof casing back maintenance of prior art converter, the utility model discloses there is good prospect at the producer of converter.

Description

Easy-to-maintain explosion-proof protective box body of frequency converter

Technical Field

The utility model belongs to the technical field of the converter, especially, relate to a converter explosion-proof protection box convenient to overhaul.

Background

The motors that all adopt in current many processing and production workshops are the motors of converter control mostly, because the converter can produce a large amount of heats at the operation in-process, when exceeding the uniform temperature, can make the component performance show the decline, can not steady operation, influences the operation of system. The manufacturer applies an explosion-proof shell or other methods to prevent explosion in the production and processing process of the frequency converter. However, once the explosion-proof housing is applied, the maintenance of the frequency converter is troublesome when the frequency converter fails.

Because the existence of explosion-proof shell, at first need demolish explosion-proof shell when overhauing converter inside, not only wiring work is loaded down with trivial details, and the explosion-proof shell of long-time work takes place to corrode easily moreover, wastes time and energy when demolising. Therefore, it is necessary to design a frequency converter explosion-proof protection box body convenient to overhaul.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a converter explosion-proof protection box convenient to overhaul solves the outside problem that needs to open explosion-proof casing and waste time and energy when applying the casing after the casing of prior art converter and overhauls.

The technical proposal is that the frequency converter explosion-proof protection box body convenient for maintenance comprises a shell for installing the frequency converter and an explosion-proof wiring cavity, the shell comprises a front plate, a rear plate, a No. I side plate, a No. II side plate, a bottom plate and an upper plate, the bottom plate is connected with a mounting plate in a sliding way, the upper part of the mounting plate is provided with a groove suitable for fixing the frequency converter, the bottom of the mounting plate is provided with sliding blocks which are integrated with the mounting plate at four corners, the bottom plate is provided with two grooves suitable for the sliding block to move, one end of the bottom plate is hinged with a No. I side plate, the groove extends to one end of the No. I side plate far away from the bottom plate, the end parts of the front plate, the rear plate and the upper plate close to the No. I side plate are all provided with clamping grooves positioned in the front plate, the rear plate and the upper plate, the side plate is provided with a bulge matched with the clamping groove, and a sealing gasket is arranged at one end of the bulge close to the side plate.

Furthermore, the front plate and the rear plate are provided with protruding blocks which are integrated with the front plate and the rear plate and are close to the edges of the No. I side plates, screw holes which penetrate through the protruding blocks horizontally are formed in the protruding blocks, and round holes which are connected with the screw holes through bolts are formed in the No. I side plates.

Furthermore, the interior of the groove is provided with thin rods which are uniformly arranged along the two edges of the length direction of the groove, the thin rods are provided with rollers for reducing the friction force when the sliding block moves, and the groove is provided with a baffle for preventing the fixed rollers from moving up and down.

Furthermore, a clamping plate is arranged at one end, close to the upper plate, of the groove in the No. I side plate.

Furthermore, universal wheels convenient to move are arranged on the bottom plate of the shell and the No. I side plate close to the four corners.

The utility model has the advantages that the No. I side plate on the shell adopts a hinged connection method, so that the shell can be conveniently opened, and the transducer inside the shell can be conveniently overhauled; the upper part of the shell bottom plate is provided with a mounting plate for facilitating the fixed mounting of the frequency converter; the grooves of the rollers on the upper bottom plate and the No. I side plate of the shell are matched with the sliding blocks on the lower portion of the mounting plate, so that the frequency converter can be conveniently and smoothly moved out for maintenance.

Drawings

Fig. 1 is a perspective view of the frequency converter explosion-proof protection box body convenient to overhaul.

Fig. 2 is the utility model discloses convenient to overhaul's left side view of converter explosion-proof protection box I curb plate.

Fig. 3 is a right side view of the connection position of the transducer explosion-proof protection box shell and the No. I side plate convenient for maintenance.

The universal wheel comprises a shell 1, a front plate 101, a rear plate 102, a side plate 103I, a side plate 104 II, a bottom plate 105, an upper plate 106, a mounting plate 2, a groove 3, a sliding block 4, a groove 5, a clamping groove 6, a protrusion 7, a sealing gasket 8, a protruding block 9, a screw hole 10, a roller 11, a baffle 12, a clamping plate 13 and a universal wheel 14.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and only for convenience of description of the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance in the description of the present invention, it being noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the first embodiment, as shown in the accompanying drawings, the frequency converter explosion-proof protection box convenient to overhaul comprises a shell 1 used for installing a frequency converter, wherein the shell 1 is arranged outside the frequency converter and used for avoiding explosion of the frequency converter in a normal working environment, and an explosion-proof wiring cavity is generally arranged at one end of the shell 1 so as to facilitate wiring of the frequency converter. The housing 1 includes a front plate 101, a rear plate 102, a side plate I103, a side plate II 104, a bottom plate 105, and an upper plate 106, and the plate materials in each orientation are named according to the installation position of the housing 1. The shell 1 is composed of six plates which are connected with each other to form a closed structure, the number of the side plates is two, and the side plates are distinguished by adopting different Roman numerals. Sliding connection has mounting panel 2 on bottom plate 105, and mounting panel 2 is the rectangular plate that is applicable to 1 inner structure of shell, and mounting panel 2 upper portion is provided with the slot 3 that is applicable to the converter is fixed, and the slot 3 on mounting panel 2 upper portion is used for placing the converter, and the intensity of mounting panel 2 is applicable to the whole quality that supports the converter. The bottom of the mounting plate 2 is provided with a sliding block 4 which is of an integral structure with the mounting plate 2 near four corners, two grooves 5 which are suitable for the sliding block 4 to move are arranged on the bottom plate 105, the grooves 5 are matched with the sliding block 4 for use, the sliding block 4 is guaranteed to move freely in the grooves 5, and a fixing device which is used for positioning the sliding block 4 after moving is arranged inside the grooves 5. Bottom plate 105's one end articulates there is No. I curb plate 103, and No. I curb plate 103 adopts articulatedly with bottom plate 105, makes things convenient for No. I curb plate 103 rotatory around bottom plate 105's one end, makes things convenient for shell 1 to open, observes its inside converter. Recess 5 extends to the one end of keeping away from bottom plate 105 on No. I curb plate 103, recess 5 extends to the other end of No. I curb plate 103, No. I curb plate 103 rotates to and is parallel with bottom plate 105, the back is connected to recess 5 on bottom plate 105 and No. I curb plate 103, after the explosion-proof wiring chamber of disconnection, the activity of slider 4 in recess 5 that the converter can directly rely on bottom plate 105 lower part, remove No. I curb plate 103 upper portion on the horizontal direction with the converter, the convenience is overhauld it. The end parts of the front plate 101, the rear plate 102 and the upper plate 106 close to the No. I side plate 103 are provided with clamping grooves 6 which are positioned inside the front plate, the rear plate 102 and the upper plate 106, the protrusions 7 which are matched with the clamping grooves 6 are arranged on the No. I side plate 103, the protrusions 7 on the No. I side plate 103 are matched with the clamping grooves 6 on three plates connected with the No. I side plate 103, the No. I side plate 103 is very simply fixed on the other three plates, and the bottom plate 105 with the hinged lower part is added to form a closed structure. The one end that arch 7 is close to the curb plate is provided with sealed 8, and the material of sealed 8 adopts rubber, and sealed 8 can guarantee the gas tightness of junction.

In one embodiment, according to the figure, the rollers 11 are uniformly arranged along the length direction of the groove 5 and on two sides of the groove 5, a thin rod for connecting the rollers 11 is arranged on the groove 5, the thin rod is integrally cast with the bottom plate 105, the rollers 11 rotate around the thin rod, one end of the thin rod extends to the outer end of the rollers 11, and a baffle 12 for preventing the fixed rollers 11 from moving upwards is arranged between the thin rod and the upper surface of the bottom plate 105. The slider 4 moves inside the groove 5 and drives the frequency converter to move, so that the frequency converter is convenient to overhaul. Slider 4 can be changed into the cooperation structure of lead screw and nut with recess 5's cooperation structure, directly set up the lead screw on the bottom plate 105, replace slider 4 for the nut, adopt the welded mode to fix to mounting panel 2 on, No. I curb plate 103 is provided with the same lead screw and can follows the length direction removal of lead screw, after No. I curb plate 103 rotated the horizontal position, with the lead screw on No. I curb plate 103 remove can with the bottom plate 105 on the position that the lead screw links together, and guarantee the junction steady movement of the lead screw that the nut can be on two panels.

In one embodiment, according to the attached drawings, a protruding block 9 integrally formed with the rear plate 102 is arranged at the position close to the edge of the side plate I103, a screw hole 10 horizontally penetrating through the protruding block 9 is arranged on the protruding block 9, and a round hole for connecting the screw hole 10 by a bolt is arranged on the side plate I103. No. I lateral plate 103 is provided with a structure which is used for fixing bolts and is integrated with the lateral plate. No. I curb plate 103 adopts the bolt to consolidate with back plate 102, prevents that arch 7 and draw-in groove 6 from leading to the joint inseparable because the inside pressure of shell 1 is too big, causing the incident.

In one embodiment, according to the drawings, a clamping plate 13 is arranged at one end of the groove 5 of the side plate I103 close to the upper plate 106. Cardboard 13 is used for moving the location when I side plate 103 end, prevents that the converter on mounting panel 2 upper portion from moving outside recess 5. Universal wheels 14 convenient to move are arranged on the bottom plate 105 of the shell 1 and the No. I side plate 103 at positions close to four corners. The universal wheels 14 serve both as a fixed support and also facilitate movement of the device when it is desired to move the device.

When the converter need overhaul, at first open No. I curb plate 103, rotatory 90 degrees meet and be parallel with bottom plate 105 to No. I curb plate 103, make recess 5 on No. I curb plate 103 and recess 5 on the bottom plate 105 be in same horizontal plane, the mounting panel 2 of being convenient for relies on slider 4 to remove to No. I curb plate 103 along recess 5 from bottom plate 105, overhaul the converter main part, and No. I curb plate 103 and bottom plate 105 all are provided with the universal wheel, be convenient for carry out the bulk movement to it.

The utility model adopts the hinged connection method for the No. I side plate on the shell, which can conveniently open the shell and is convenient for the maintenance of the transducer inside the shell; the upper part of the shell bottom plate is provided with a mounting plate for facilitating the fixed mounting of the frequency converter; the grooves of the rollers on the upper bottom plate and the No. I side plate of the shell are matched with the sliding blocks on the lower portion of the mounting plate, so that the frequency converter can be conveniently and smoothly moved out for maintenance.

While the present invention has been particularly shown and described with reference to the preferred embodiments thereof, and many methods and approaches to the practice thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. Converter explosion-proof protection box convenient to overhaul, including shell (1) that is used for installing the converter, explosion-proof wiring chamber, its characterized in that, shell (1) include front bezel (101), back plate (102), No. I curb plate (103), No. II curb plate (104), bottom plate (105), upper plate (106), bottom plate (105) go up sliding connection and have mounting panel (2), mounting panel (2) upper portion be provided with be applicable to the fixed slot (3) of converter, mounting panel (2) bottom be close to four edges and be provided with slider (4) with mounting panel (2) body structure, bottom plate (105) on be provided with two recess (5) that are applicable to slider (4) removal, the one end of bottom plate (105) articulated have No. I curb plate (103), recess (5) extend to the one end of keeping away from bottom plate (105) on No. I curb plate (103), front bezel (101), back plate (102) and upper plate (106) tip that is close to No. I curb plate (103) all be provided with and be located its inside draw-in groove (6), the curb plate on be provided with draw-in groove (6) cooperation use protruding (7), protruding (7) be close to the one end of curb plate and be provided with sealed pad (8).

2. The easy-to-overhaul frequency converter explosion-proof protection box body as claimed in claim 1, wherein the rear plate (102) is provided with a protruding block (9) integrated with the rear plate at the edge close to the side plate I (103), the protruding block (9) is provided with a screw hole (10) horizontally penetrating through the protruding block (9), and the side plate I (103) is provided with a round hole for connecting the screw hole (10) by a bolt.

3. The easy-to-overhaul frequency converter explosion-proof protection box body as claimed in claim 1, wherein the groove (5) is internally provided with thin rods which are uniformly arranged along the two edges in the length direction, the thin rods are provided with rollers (11) for reducing the friction force when the sliding block (4) moves, and the groove (5) is provided with a baffle (12) for preventing the fixed rollers (11) from moving up and down.

4. The easy-to-overhaul frequency converter explosion-proof protection box body as claimed in claim 1, wherein a clamping plate (13) is arranged at one end of the groove (5) on the No. I side plate (103) close to the upper plate (106).

5. The easy-to-overhaul frequency converter explosion-proof protection box body as claimed in claim 1, wherein universal wheels (14) convenient to move are arranged on the bottom plate (105) of the shell (1) and the No. I side plate (103) at positions close to four corners.