CN213400752U

CN213400752U - Power conversion device

Info

Publication number: CN213400752U
Application number: CN202022773753.XU
Authority: CN
Inventors: 胡林林; 付龙
Original assignee: Guangdong Polytechnic College
Current assignee: Guangdong Polytechnic College
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-06-08
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a power conversion device, the on-line screen storage device comprises a base, the lower fixed surface of base is connected with the universal wheel that brakes, the last fixed surface of base is connected with the protecting box, the interior antetheca of protecting box passes through support fixedly connected with transformer body, the last fixed surface of protecting box is connected with the terminal box, the side of protecting box is through connecting block fixedly connected with axis of rotation, the surperficial cover of axis of rotation is equipped with the axle sleeve, the fixed surface of axle sleeve is connected with the dwang, the one end fixedly connected with winding reel of axle sleeve is kept away from to the dwang. This power conversion device through setting up axle sleeve, locking bolt, wind spring, rotating ring, warning area, couple and link, is convenient for hang the couple of a winding reel side and encloses into a warning region on the link of another winding reel side to play fine warning effect, the effectual operating personnel of avoiding is touched the phenomenon that causes the electric shock by mistake under the condition of unwitting, reduces the potential safety hazard.

Description

Power conversion device

Technical Field

The utility model relates to a power conversion technology field specifically is a power conversion device.

Background

The transformer is a power conversion device, and different power equipment needs different rated voltages, and equipment used in the process of outdoor engineering development needs to be converted by the transformer due to the voltage problem.

When the existing transformer is in operation, no warning line is arranged around the transformer, so that an operator is easy to touch the transformer by mistake to cause electric shock, and serious potential safety hazards exist.

Therefore, we propose a power conversion device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power conversion device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a power conversion device comprises a base, wherein a universal wheel with a brake is fixedly connected to the lower surface of the base, a protective box is fixedly connected to the upper surface of the base, a transformer body is fixedly connected to the inner front wall of the protective box through a support, a junction box is fixedly connected to the upper surface of the protective box, a rotating shaft is fixedly connected to the side surface of the protective box through a connecting block, a shaft sleeve is sleeved on the surface of the rotating shaft, a rotating rod is fixedly connected to the surface of the shaft sleeve, a winding drum is fixedly connected to one end, away from the shaft sleeve, of the rotating rod, a rotating shaft is fixedly connected to the inner top wall and the inner bottom wall of the winding drum, a coil spring is fixedly connected to the surface of the rotating shaft, a rotating ring is sleeved on the surface of the rotating shaft, the inner wall of the rotating ring is fixedly connected to one end of the coil spring, a warning belt, and the surface of the winding drum is fixedly connected with a hanging ring.

Preferably, the number of the universal wheels with the brake is four, and the four universal wheels with the brake are arranged on the lower surface of the base in a rectangular array.

Preferably, the front of the protection box is rotatably connected with a protection door through a hinge, the front of the protection door is provided with a cooling fan, and two sides of the protection box are provided with cooling ports.

Preferably, the number of the rotating shafts is four, every two rotating shafts form a group, and the two groups of rotating shafts are respectively arranged at the front end and the rear end of the two sides of the protective box.

Preferably, the surface of the shaft sleeve is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a locking bolt, and the threaded end of the locking bolt is in lap joint with the surface of the rotating shaft.

Preferably, push rods are fixedly connected to the surfaces of the two winding drums on the left side.

Advantageous effects

The utility model provides a power conversion device possesses following beneficial effect:

1. this power conversion device through setting up axle sleeve, locking bolt, wind spring, rotating ring, warning area, couple and link, is convenient for hang the couple of a winding reel side and encloses into a warning region on the link of another winding reel side to play fine warning effect, the effectual operating personnel of avoiding is touched the phenomenon that causes the electric shock by mistake under the condition of unwitting, reduces the potential safety hazard.

2. This power conversion device through setting up the push rod and taking the brake universal wheel, the removal and the fixing of the device of being convenient for, through setting up radiator fan and louvre, the start-up of the radiator fan of being convenient for makes the heat that the transformer body during operation produced in time spill, protects the transformer body.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of the winding drum of the present invention.

In the figure: the device comprises a base 1, a universal wheel with a brake 2, a protective box 3, a transformer body 4, a junction box 5, a rotating shaft 6, a shaft sleeve 7, a rotating rod 8, a winding drum 9, a coil spring 10, a rotating ring 11, a warning belt 12, a hook 13, a hanging ring 14, a protective door 15, a cooling fan 16, a locking bolt 17 and a push rod 18.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a power conversion device, includes base 1, and base 1's lower fixed surface is connected with area brake universal wheel 2, and the quantity of area brake universal wheel 2 is four, and four area brake universal wheels 2 are the lower surface of rectangle array setting at base 1.

The upper surface fixedly connected with protective housing 3 of base 1, the interior antetheca of protective housing 3 passes through support fixedly connected with transformer body 4, the upper surface fixedly connected with terminal box 5 of protective housing 3, protective housing 3's front is connected with guard gate 15 through hinge rotation, guard gate 15's front is provided with radiator fan 16, the thermovent has all been seted up to protective housing 3's both sides, through setting up radiator fan 16 and louvre, the heat that the start-up of radiator fan 16 of being convenient for made transformer body 4 during operation produce in time effluvium, protection transformer body 4.

Connecting block fixedly connected with axis of rotation 6 is passed through to the side of protective housing 3, and the quantity of axis of rotation 6 is four, and per two axis of rotation 6 are a set of, and two sets of axis of rotation 6 set up the front and back end in protective housing 3 both sides respectively, and the surface cover of axis of rotation 6 is equipped with axle sleeve 7, and threaded hole is seted up on the surface of axle sleeve 7, and the inner wall threaded connection of screw hole has locking bolt 17, locking bolt 17's the thread end and the surperficial overlap joint of axis of rotation 6.

The fixed surface of axle sleeve 7 is connected with dwang 8, and the one end fixedly connected with winding reel 9 of axle sleeve 7 is kept away from to dwang 8, and the equal fixedly connected with push rod 18 in surface of two winding reels 9 in left side is through setting up push rod 18 and area brake universal wheel 2, and the device's of being convenient for removal and fixed.

The utility model discloses a winding drum 9, including inner wall, the interior diapire fixedly connected with pivot of winding drum 9, the fixed surface of pivot is connected with wind spring 10, the surface cover of pivot is equipped with swivel becket 11, and the inner wall of swivel becket 11 and the one end fixed connection of wind spring 10, the surface of swivel becket 11 is around being equipped with warning area 12, the other end of warning area 12 extends to the side of winding drum 9 and fixedly connected with couple 13, the fixed surface of winding drum 9 is connected with link 14, through setting up axle sleeve 7, locking bolt 17, wind spring 10, swivel becket 11, warning area 12, couple 13 and link 14, be convenient for enclose into a warning region on hanging ring 14 of another winding drum 9 side with couple 13 of a winding drum 9 side, thereby play fine warning effect, the effectual phenomenon of electric shock is led to the fact by mistake under the condition of avoiding the operation personnel is unknowinged, reduce the potential.

The working principle is as follows: when using this power conversion device, promote the device and remove to the open air, and open terminal box 5 and carry out the wiring, unscrew locking bolt 17 simultaneously, make the winding reel 9 rotate, tighten locking bolt 17 again, pulling couple 13, take warning area 12 out, and hang on the link 14 of another winding reel 9, enclose into a rectangle warning area, after transformer body 4 finishes using, get off couple 13, under the effect of wind spring 10, warning area 12 resets, promote push rod 18 again and remove the device, through using this power conversion device, the phenomenon of electric shock is caused in the effectual mistake of avoiding under the condition that the operating personnel are unknown, reduce the potential safety hazard.

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. A power conversion apparatus includes a base (1), characterized in that: the lower fixed surface of the base (1) is connected with a universal wheel (2) with a brake, the upper fixed surface of the base (1) is connected with a protective box (3), the inner front wall of the protective box (3) is fixedly connected with a transformer body (4) through a support, the upper fixed surface of the protective box (3) is connected with a junction box (5), the side surface of the protective box (3) is fixedly connected with a rotating shaft (6) through a connecting block, the surface of the rotating shaft (6) is sleeved with a shaft sleeve (7), the surface of the shaft sleeve (7) is fixedly connected with a rotating rod (8), one end of the rotating rod (8) far away from the shaft sleeve (7) is fixedly connected with a winding drum (9), the inner top wall and the inner bottom wall of the winding drum (9) are fixedly connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with, the inner wall of the rotating ring (11) is fixedly connected with one end of the coil spring (10), a warning belt (12) is wound on the surface of the rotating ring (11), the other end of the warning belt (12) extends to the side face of the winding drum (9) and is fixedly connected with a hook (13), and a hanging ring (14) is fixedly connected to the surface of the winding drum (9).

2. A power conversion apparatus according to claim 1, characterized in that: the number of the universal wheels (2) with the brakes is four, and the four universal wheels (2) with the brakes are arranged on the lower surface of the base (1) in a rectangular array mode.

3. A power conversion apparatus according to claim 1, characterized in that: the front of the protection box (3) is rotatably connected with a protection door (15) through a hinge, the front of the protection door (15) is provided with a cooling fan (16), and cooling holes are formed in two sides of the protection box (3).

4. A power conversion apparatus according to claim 1, characterized in that: the number of the rotating shafts (6) is four, every two rotating shafts (6) are a group, and the two groups of rotating shafts (6) are respectively arranged at the front end and the rear end of the two sides of the protective box (3).

5. A power conversion apparatus according to claim 1, characterized in that: the surface of the shaft sleeve (7) is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a locking bolt (17), and the threaded end of the locking bolt (17) is in lap joint with the surface of the rotating shaft (6).

6. A power conversion apparatus according to claim 1, characterized in that: push rods (18) are fixedly connected to the surfaces of the two winding drums (9) on the left side.