CN211306047U

CN211306047U - Converter clamping device

Info

Publication number: CN211306047U
Application number: CN201921720640.4U
Authority: CN
Inventors: 黄小光; 林晓凯; 栗晋杰
Original assignee: Jiangsu Lipu Electronics Science & Technology Co ltd
Current assignee: Jiangsu Lipu Electronics Science & Technology Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-08-21
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a frequency converter clamping device, which comprises a bottom plate, wherein the center of the upper end surface of the bottom plate is provided with a chute along the direction of the longitudinal axis, the upper end surface of the bottom plate is fixedly connected with a fixed clamping piece, the front end of the fixed clamping piece is abutted with a movable clamping piece, the bottom of the movable clamping piece is provided with a slide block, the movable clamping piece is connected with the upper end surface of the bottom plate through the chute and the slide block in a sliding way, the fixed clamping piece and the movable clamping piece are abutted to form a clamping hole, a fixed plate and a positioning rod are fixedly locked through a locking nut, the upper half part of a capacitor is fixed through the fixed hole at the center of the fixed plate, the fixation is firm through double fixed clamping of the clamping hole and the fixed hole, the damage of the capacitor is avoided, the structure is simple, the installation is convenient, the problem that the connection between the capacitor, and the installation is inconvenient.

Description

Converter clamping device

Technical Field

The utility model relates to a converter centre gripping equipment technical field specifically is a converter clamping device.

Background

The Variable-frequency drive (VFD) is a power control device that applies a frequency conversion technology and a microelectronic technology and controls an ac motor by changing a frequency mode of a working power supply of the motor, and the frequency converter mainly includes a rectifier (alternating current to direct current), a filter, an inverter (direct current to alternating current), a brake unit, a drive unit, a detection unit microprocessor unit, and the like.

The capacitor installation method is to install the capacitor on the capacitor installation plate, then install in the box together with the capacitor installation plate, generally all fix the capacitor through the screw, and the capacitor is connected firmly inadequately with the electroplax in the converter like this, causes the capacitor to damage during the maintenance easily, and the installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a converter clamping device aims at solving in prior art electric capacity and the converter electroplax and is connected firmly inadequately, causes electric capacity to damage during the maintenance easily, and installs inconvenient problem.

The utility model provides a technical scheme: a frequency converter clamping device comprises a bottom plate, wherein a sliding groove is formed in the center of the upper end face of the bottom plate along the longitudinal axis direction, a fixed clamping piece is fixedly connected to the upper end face of the bottom plate, a movable clamping piece is abutted to the front end of the fixed clamping piece, a sliding block is mounted at the bottom of the movable clamping piece, the movable clamping piece is in sliding connection with the upper end face of the bottom plate through the sliding groove and the sliding block, the fixed clamping piece and the movable clamping piece are abutted to form a clamping hole, the clamping hole is circular, two support rods which are symmetrically distributed are fixedly connected to the upper end face of the bottom plate in a pairwise manner, supporting blocks are fixedly connected to the upper end faces of the four support rods, positioning rods are fixedly connected to the upper end faces of the four support blocks, a fixed plate is mounted above the bottom plate, through holes matched with the positioning rods are formed in the four corners of the upper end face, and the four positioning rods penetrate through the through holes and extend to the upper part of the fixing plate to be in threaded connection with the locking nut.

For convenience of fixing the capacitor, the frequency converter clamping device of the present embodiment is preferably: the center of the upper end face of the fixing plate is provided with a fixing hole, and the center of the fixing hole and the center of the clamping hole are on the same longitudinal axis.

For clamping the capacitor, as a frequency converter clamping device of the present embodiment, it is preferable that: the diameters of the fixing hole and the clamping hole are equal, the inner portions of the fixing hole and the clamping hole are movably connected with a capacitor, and the lower end face of the capacitor is abutted to the upper end face of the bottom plate.

For fixedly locking the movable clamping member and the fixed clamping member, it is preferable as a frequency converter clamping device of the present embodiment that: locking bolts are installed on two sides of the front end face of the movable clamping piece, and bolt holes matched with the locking bolts are formed in two sides of the front end face of the fixed clamping piece in a penetrating mode.

In order to mount the bottom plate in the inverter housing, it is preferable as an inverter holding device of the present embodiment that: the mounting holes are formed in four corners of the upper end face of the bottom plate and located on the side, opposite to each other, of the supporting rod, two electrode holes are formed in the upper end face of the bottom plate, and the electrode holes are located in the clamping holes.

In order to buffer the capacitor, the frequency converter clamping device of the present embodiment is preferably: and a rubber pad is arranged on the inner wall of the clamping hole.

In order to reduce the machining procedures, it is preferable as a frequency converter holding device of the present embodiment that: the surface areas of the bottom plate and the fixing plate are equal.

Compared with the prior art, the beneficial effects of the utility model are that: this converter clamping device

(1) The center of the upper end face of the bottom plate is provided with a sliding groove along the longitudinal axis direction, the upper end face of the bottom plate is fixedly connected with a fixed clamping piece, the front end of the fixed clamping piece is abutted with a movable clamping piece, the bottom of the movable clamping piece is provided with a sliding block, the movable clamping piece is in sliding connection with the upper end face of the bottom plate through the sliding groove and the sliding block, the lower end of the capacitor is arranged in a clamping hole, the lower end face of the capacitor is abutted with the upper end face of the bottom plate, the movable clamping piece and the fixed clamping piece are further locked through a locking bolt, a rubber pad is arranged in the clamping hole and plays a role in buffering, the capacitor is prevented from being damaged, then the fixed plate penetrates through four positioning rods through four through holes and is arranged at the upper end of a supporting block, the fixed plate and the positioning rods are fixedly, the fixing is firm, the capacitor is prevented from being damaged, the structure is simple, and the installation is convenient.

(2) The rubber pad is installed to the inner wall in centre gripping hole, and the surface area of bottom plate and fixed plate equals, and centre gripping internally mounted has the rubber pad, and the rubber pad plays the cushioning effect, prevents that the electric capacity from damaging, and the area of bottom plate and fixed plate equals, when processing production, has reduced the procedure, practices thrift the cost.

Drawings

FIG. 1 is a general structure diagram of a clamping device of a frequency converter of the present invention;

FIG. 2 is a schematic diagram of a fixing plate of the clamping device of the frequency converter according to the present invention;

FIG. 3 is a schematic view showing the capacitor mounting state of the frequency converter clamping device according to the present invention;

FIG. 4 is a top view of the clamping device of the present invention;

in the figure: 1. a base plate; 2. a movable clamping member; 3. fixing the clamping piece; 4. a clamping hole; 5. a chute; 6. a support bar; 7. a support block; 8. positioning a rod; 9. locking the nut; 10. a fixing plate; 11. a fixing hole; 12. mounting holes; 13. locking the bolt; 14. a capacitor; 15. an electrode hole; 16. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: a frequency converter clamping device comprises a bottom plate 1, a chute 5 is arranged in the center of the upper end face of the bottom plate 1 along the direction of a longitudinal axis, a fixed clamping piece 3 is fixedly connected to the upper end face of the bottom plate 1, a movable clamping piece 2 is abutted to the front end of the fixed clamping piece 3, a sliding block is arranged at the bottom of the movable clamping piece 2, the movable clamping piece 2 is connected with the upper end face of the bottom plate 1 in a sliding manner through the chute 5 and the sliding block, the fixed clamping piece 3 and the movable clamping piece 2 are abutted to form a clamping hole 4, the clamping hole 4 is circular, two support rods 6 which are symmetrically distributed are fixedly connected to the upper end face of the bottom plate 1, support blocks 7 are fixedly connected to the upper end faces of the four support rods 6, positioning rods 8 are fixedly connected to the upper end faces of the four support blocks 7, a fixing plate 10 is arranged above the bottom plate 1, through holes 16 which are matched with the positioning rods 8 are, the four positioning rods 8 penetrate through the through holes 16 and extend to the upper part of the fixing plate 10 to be in threaded connection with the locking nuts 9.

In this embodiment, a user unscrews the locking bolt 13 to detach the abutted fixed clamping member 3 from the movable clamping member 2, slides the movable clamping member 2 forward, the sliding block at the bottom of the movable clamping member 2 slides in the sliding groove 5, the position of the movable clamping member 2 can be controlled at will, so as to conveniently clamp the capacitor 14, then the lower end of the capacitor 14 is installed in the clamping hole 4, the lower end surface abuts against the upper end surface of the bottom plate 1, the movable clamping member 2 and the fixed clamping member 3 are further locked by the locking bolt 13, the rubber pad is installed in the clamping hole 4, plays a role of buffering, so as to prevent the capacitor 14 from being damaged, then the fixed plate 10 penetrates through the four positioning rods 8 through the four through holes 16, is installed at the upper end of the supporting block 7, the fixed plate 10 is fixedly locked with the positioning rods by the locking nut 9, and the upper half part of the capacitor 14 is, through the double fixed centre gripping of centre gripping hole 4 and fixed orifices 11, it is fixed firm, avoid electric capacity 14 to appear damaging, simple structure, simple to operate.

Specifically, a fixing hole 11 is formed in the center of the upper end face of the fixing plate 10, and the center of the fixing hole 11 and the center of the clamping hole 4 are on the same longitudinal axis.

In this embodiment, the center of the fixing hole 11 and the center of the clamping hole 4 are on the same longitudinal axis, so that the fixing plate 10 can conveniently penetrate through the four positioning rods 8 through the four through holes 16 and be mounted at the upper end of the supporting block 7.

Specifically, the diameters of the fixing hole 11 and the clamping hole 4 are equal, the capacitor 14 is movably connected inside the fixing hole 11 and the clamping hole 4, and the lower end face of the capacitor 14 is abutted to the upper end face of the bottom plate 1.

In this embodiment, the fixing holes 11 and the holding holes 4 have the same diameter, so that the capacitor 14 can be fixed to the fixing plate 10.

Specifically, locking bolt 13 is all installed to the preceding terminal surface both sides of activity holder 2, and the preceding terminal surface both sides of fixed holder 3 run through set up with locking bolt 13 assorted bolt hole.

In this embodiment, the movable clamping piece 2 and the fixed clamping piece 3 are locked and disassembled through the locking bolt 13, and the use is convenient.

Specifically, mounting hole 12 has all been seted up in bottom plate 1's up end four corners, and mounting hole 12 is located one side that bracing piece 6 carried on the back mutually, and two electrode holes 15 have been seted up to bottom plate 1's up end, and electrode hole 15 is located the inside of centre gripping hole 4.

In this embodiment, the mounting hole 12 facilitates the capacitor 14 to be mounted in the inner box of the frequency converter, and the electrode hole 15 can accurately align the positive electrode and the negative electrode of the clamped capacitor 14.

Specifically, a rubber pad is arranged on the inner wall of the clamping hole 4.

In this embodiment, the rubber pad is installed inside the clamping hole 4, and the rubber pad plays a role of buffering to prevent the capacitor 14 from being damaged.

Specifically, the surface areas of the base plate 1 and the fixing plate 10 are equal.

In this embodiment, the bottom plate 1 and the fixing plate 10 have the same area, so that the whole device can be conveniently placed.

The utility model discloses a theory of operation and use flow: when the frequency converter clamping device is used, a user unscrews the locking bolt 13 to detach the butted fixed clamping piece 3 from the butted movable clamping piece 2, slides the movable clamping piece 2 forwards, the sliding block at the bottom of the movable clamping piece 2 slides in the sliding groove 5, the position of the movable clamping piece 2 can be controlled at will, so that a capacitor 14 can be clamped conveniently, then the lower end of the capacitor 14 is arranged in the clamping hole 4, the lower end surface of the capacitor is butted with the upper end surface of the bottom plate 1, the movable clamping piece 2 and the fixed clamping piece 3 are further locked by the locking bolt 13, a rubber pad is arranged in the clamping hole 4, the rubber pad plays a buffering role to prevent the capacitor 14 from being damaged, then the fixed plate 10 penetrates through the four positioning rods 8 through the four through holes 16 and is arranged at the upper end of the supporting block 7, the fixed plate 10 is fixedly locked with the positioning rods through the locking nut 9, the upper half part of the, through the double fixed centre gripping of centre gripping hole 4 and fixed orifices 11, it is fixed firm, avoid electric capacity 14 to appear damaging, then install electric capacity 14 in the inside box of converter through mounting hole 12, electrode hole 15 can be with the positive negative pole accuracy counterpoint of electric capacity 14 of centre gripping, convenient to use.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A converter clamping device, includes bottom plate (1), its characterized in that: the center of the upper end face of the bottom plate (1) is provided with a sliding groove (5) along the longitudinal axis direction, the upper end face of the bottom plate (1) is fixedly connected with a fixed clamping piece (3), the front end of the fixed clamping piece (3) is abutted with a movable clamping piece (2), the bottom of the movable clamping piece (2) is provided with a sliding block, the movable clamping piece (2) is slidably connected with the upper end face of the bottom plate (1) through the sliding groove (5) and the sliding block, the fixed clamping piece (3) is abutted with the movable clamping piece (2) to form a clamping hole (4), the clamping hole (4) is circular, the upper end face of the bottom plate (1) is fixedly connected with two pairs of symmetrically distributed supporting rods (6), the upper end faces of the four supporting rods (6) are fixedly connected with supporting blocks (7), and the upper end faces of the four supporting blocks (7) are fixedly connected with positioning rods (, fixed plate (10) are installed to the top of bottom plate (1), the up end four corners department of fixed plate (10) all seted up with locating lever (8) assorted through-hole (16), four the equal swing joint of up end of through-hole (16) has lock nut (9), four locating lever (8) run through-hole (16) and extend to the top and lock nut (9) threaded connection of fixed plate (10).

2. A transducer holding device according to claim 1, wherein: the center of the upper end face of the fixing plate (10) is provided with a fixing hole (11), and the center of the fixing hole (11) and the center of the clamping hole (4) are on the same longitudinal axis.

3. A transducer holding device according to claim 2, wherein: the diameter of the fixing hole (11) is equal to that of the clamping hole (4), the inner portions of the fixing hole (11) and the clamping hole (4) are movably connected with a capacitor (14), and the lower end face of the capacitor (14) is abutted to the upper end face of the bottom plate (1).

4. A transducer holding device according to claim 1, wherein: locking bolts (13) are installed on two sides of the front end face of the movable clamping piece (2), and bolt holes matched with the locking bolts (13) are formed in two sides of the front end face of the fixed clamping piece (3) in a penetrating mode.

5. A transducer holding device according to claim 1, wherein: mounting hole (12) have all been seted up in the up end four corners of bottom plate (1), mounting hole (12) are located one side that bracing piece (6) carried on the back mutually, two electrode holes (15) have been seted up to the up end of bottom plate (1), electrode hole (15) are located the inside of centre gripping hole (4).

6. A transducer holding device according to claim 1, wherein: and a rubber pad is arranged on the inner wall of the clamping hole (4).

7. A transducer holding device according to claim 1, wherein: the surface areas of the bottom plate (1) and the fixing plate (10) are equal.