CN216426666U

CN216426666U - Auxiliary device suitable for high-voltage inverter overhauls

Info

Publication number: CN216426666U
Application number: CN202122516004.3U
Authority: CN
Inventors: 魏小华; 陈应宽; 徐耀东
Original assignee: Junxiao Electric Power Technology Development Shanghai Co ltd
Current assignee: Junxiao Electric Power Technology Development Shanghai Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-03
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses an auxiliary device suitable for high-voltage inverter overhauls belongs to high-voltage inverter technical field, and it includes the casing, the left surface joint of casing has first bearing, be provided with first gear in the first bearing. This auxiliary device suitable for high-voltage inverter overhauls, through setting up the pinion rack, the support plate, dwang and fly leaf, the staff stands on the support plate, then control actuating mechanism corotation, the support plate area drives staff's upward movement, when the spare part that pulls down when needs will overhaul moves, place the spare part between two fly leaves, control actuating mechanism reversal, two fly leaves are close to each other and contact and then fix it with the spare part, the staff promotes the push rod, the spare part can not drop when removing, make the spare part that pulls down when the staff can be smooth move when overhauing, make the staff only need use that the device can be convenient overhaul high-voltage inverter, and is simple in operation.

Description

Auxiliary device suitable for high-voltage inverter overhauls

Technical Field

The utility model belongs to the technical field of high-voltage inverter, specifically be an auxiliary device suitable for high-voltage inverter overhauls.

Background

The frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device. Along with modern power electronic technology and microelectronics's rapid development, high-pressure high-power variable frequency speed control device is constantly ripe, when the staff need overhaul high-voltage inverter, because its self is high, the staff need use the auxiliary frame can just overhaul high-voltage inverter, when high-voltage inverter dismantles spare part when overhauing, the staff need use the transportation dolly to remove spare part, the staff need use a plurality of equipment such as transportation dolly and auxiliary frame just can be smooth overhauld high-voltage inverter, it is comparatively troublesome to operate, consequently, need an auxiliary device who is applicable to high-voltage inverter and overhauls to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides an auxiliary device suitable for high-voltage inverter overhauls has solved the staff and has used the transportation dolly to remove spare part, and the staff need use a plurality of equipment such as transportation dolly and auxiliary frame just can be smooth overhauls high-voltage inverter, operates comparatively troublesome problem.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an auxiliary device suitable for high-voltage inverter overhauls, includes the casing, the left surface joint of casing has first bearing, be provided with first gear in the first bearing, first gear left surface is provided with actuating mechanism, actuating mechanism's right flank and the left surface fixed connection of casing, first gear meshes with the second gear mutually, the left surface of second gear is provided with the second bearing.

The left surface of second bearing joint at shells inner wall, the back of first gear and the front of second gear all mesh with the third gear mutually, the left and right sides face of third gear all is provided with the third bearing, the third bearing joint is in the casing, the third gear meshes with two pinion racks mutually, and the top of four pinion racks is connected with the lower fixed surface of same support plate, the slide opening has been seted up to the upper surface of support plate, sliding connection has two movable blocks in the slide opening, the bottom of movable block is articulated through the top of round pin axle with the dwang.

The bottom of dwang is articulated through the top of round pin axle with the fixed block, and the lower surface of two fixed blocks is connected with the last fixed surface of casing, the upper surface of movable block and the lower fixed surface of fly leaf are connected, and the one side that two fly leaves were kept away from mutually all is provided with two stop gear, and four stop gear's lower surface all sets up the upper surface at the support plate.

As a further aspect of the present invention: the toothed plate is connected in the groove in a sliding mode, and the groove is formed in the upper surface of the shell.

As a further aspect of the present invention: the equal fixedly connected with slider of the left and right sides face of movable block, slider sliding connection is in the spout, and two spouts are seted up respectively in the left and right sides face of slide opening inner wall.

As a further aspect of the present invention: the limiting mechanism comprises a vertical plate, the lower surface of the vertical plate is fixedly connected with the upper surface of the support plate, a sliding sleeve is clamped on the front surface of the vertical plate, a sliding rod is connected in the sliding sleeve in a sliding mode, and one end of the back surface of the sliding rod is fixedly connected with the front surface of the movable plate.

As a further aspect of the present invention: the front of the shell is fixedly connected with the back of the fixing plate, and the upper surface of the fixing plate is fixedly connected with the bottom end of the push rod.

As a further aspect of the present invention: the right side face of the shell is hinged to the front face of the door plate through two hinges, and the left side face of the door plate is connected with the right side face of the shell in a clamping mode.

As a further aspect of the present invention: a protective pad is arranged in the shell, and the position of the protective pad corresponds to the position of the door plate.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the auxiliary device suitable for the maintenance of the high-voltage frequency converter is characterized in that a worker stands on the support plate when the high-voltage frequency converter needs to be maintained by arranging the first gear, the second gear, the third gear, the toothed plate, the support plate, the rotating rod and the movable plate, then the driving mechanism is controlled to rotate forwards, the carrier plate belt drives the worker to move upwards, when the parts detached during maintenance need to be moved, the part is placed between the two movable plates, the driving mechanism is controlled to rotate reversely, the two movable plates are close to each other and are contacted with the part to fix the part, the worker pushes the push rod, the part cannot fall off when moving, make that the staff can be smooth move the spare part of pulling down when overhauing for the staff only need use the device can be convenient overhauls simple operation to high-voltage inverter.

2. This auxiliary device suitable for high-voltage inverter overhauls fills up, casing and door plant through setting up the protection, and after the maintenance is accomplished, will use the instrument after accomplishing to place on the protection pad, and the staff promotes the push rod, and push rod accessible casing driving tool moves, and the instrument can not take place the striking with the casing when the motion for the staff can be convenient use the device safety remove the instrument.

3. This auxiliary device suitable for high-voltage inverter overhauls through setting up slider and spout, because of slider sliding connection in the spout, slider and spout mutually support can carry on spacingly to the movable block for the movable block can be at the smooth downthehole steady motion that carries on.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a left-side perspective structural schematic view of the toothed plate of the present invention;

fig. 3 is a schematic three-dimensional structure view of the limiting mechanism of the present invention;

fig. 4 is a schematic view of a three-dimensional cross-sectional structure of the housing of the present invention;

fig. 5 is a three-dimensional structure diagram of the rotating rod of the present invention;

in the figure: the safety protection pad comprises a shell 1, a first bearing 2, a first gear 3, a driving mechanism 4, a second gear 5, a third gear 6, a toothed plate 7, a groove 8, a sliding groove 9, a sliding block 10, a carrier plate 11, a sliding hole 12, a movable block 13, a rotating rod 14, a fixed block 15, a movable plate 16, a limiting mechanism 17, a sliding rod 171, a sliding sleeve 172, a vertical plate 173, a push rod 18, a fixed plate 19, a hinge 20, a door plate 21, a second bearing 22, a third bearing 23 and a protection pad 24.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides an auxiliary device suitable for high-voltage inverter overhauls, which comprises a housin 1, the left surface joint of casing 1 has first bearing 2, be provided with first gear 3 in the first bearing 2, 3 left surfaces of first gear are provided with actuating mechanism 4, through setting up actuating mechanism 4, control actuating mechanism 4 work, 4 accessible first gears of actuating mechanism 3 drive second gear 5 and rotate, actuating mechanism 4's the right flank and casing 1's left surface fixed connection, first gear 3 meshes with second gear 5 mutually, the left surface of second gear 5 is provided with second bearing 22.

The second bearing 22 is connected to the left side surface of the inner wall of the housing 1 in a clamped manner, the back surface of the first gear 3 and the front surface of the second gear 5 are engaged with the third gear 6, the third bearing 23 is arranged on each of the left side surface and the right side surface of the third gear 6, the third bearing 23 is connected to the housing 1 in a clamped manner, the third gear 6 is engaged with the two toothed plates 7, the third gear 6 and the toothed plates 7 are arranged, when the two third gears 6 rotate, the two third gears 6 are opposite in steering direction, the two third gears 6 can drive the four toothed plates 7 to move upwards or downwards simultaneously, the top ends of the four toothed plates 7 are fixedly connected to the lower surface of the same carrier plate 11, a sliding hole 12 is formed in the upper surface of the carrier plate 11, two movable blocks 13 are connected in the sliding hole 12 in a sliding manner, and the bottom ends of the movable blocks 13 are hinged to the top ends of the rotating rods 14 through pin shafts.

The bottom end of the rotating rod 14 is hinged to the top ends of the fixed blocks 15 through a pin shaft, the lower surfaces of the two fixed blocks 15 are fixedly connected with the upper surface of the shell 1, the upper surface of the movable block 13 is fixedly connected with the lower surface of the movable plate 16, two limiting mechanisms 17 are arranged on the surfaces, away from each other, of the two movable plates 16, and the lower surfaces of the four limiting mechanisms 17 are arranged on the upper surface of the support plate 11.

Specifically, as shown in fig. 1, the toothed plate 7 is slidably connected in a groove 8, the groove 8 is formed in the upper surface of the housing 1, the left and right side surfaces of the movable block 13 are both fixedly connected with sliding blocks 10, the sliding blocks 10 are slidably connected in the sliding grooves 9, by arranging the sliding block 10 and the sliding groove 9, the sliding block 10 is connected in the sliding groove 9 in a sliding way, the sliding block 10 and the sliding groove 9 are matched with each other to limit the movable block 13, so that the movable block 13 can move stably in the sliding hole 12, the two chutes 9 are respectively arranged at the left and right side surfaces of the inner wall of the sliding hole 12, the front surface of the shell 1 is fixedly connected with the back surface of the fixed plate 19, the upper surface of the fixed plate 19 is fixedly connected with the bottom end of the push rod 18, through setting up push rod 18 for staff's accessible push rod 18 is smooth promotes casing 1, and casing 1's right flank is articulated through the front of two hinges 20 and door plant 21, and door plant 21's left surface and casing 1's right flank joint.

Specifically, as shown in fig. 1 and fig. 3, limiting mechanism 17 includes riser 173, the lower surface of riser 173 is connected with the upper surface fixed connection of support plate 11, the front joint of riser 173 has sliding sleeve 172, sliding connection has slide bar 171 in sliding sleeve 172, the one end at the back of slide bar 171 and the front fixed connection of fly leaf 16, through setting up sliding sleeve 172 and slide bar 171, because of sliding connection has slide bar 171 in sliding sleeve 172, sliding sleeve 172 can carry out spacingly to slide bar 171, make slide bar 171 can not take place to rock when the motion, fly leaf 16 that is connected with slide bar 171 can be steady moves.

Specifically, as shown in fig. 1 and 4, a protection pad 24 is disposed in the housing 1, the protection pad 24 is located at a position corresponding to the door panel 21, and the door panel 21 is configured to block a tool placed above the protection pad 24.

The utility model discloses a theory of operation does:

s1, when the high-voltage frequency converter needs to be overhauled, a worker stands on the support plate 11 and then controls the driving mechanism 4 to rotate forwards, the driving mechanism 4 drives the first gear 3 to rotate, the first gear 3 drives the second gear 5 to rotate in the second bearing 22, the rotating first gear 3 and the rotating second gear 5 both drive the two third gears 6 to rotate, the rotating third gears 6 drive the toothed plate 7 to move upwards in the groove 8, the upwards moving toothed plate 7 drives the worker to move upwards through the support plate 11, and when the worker moves to a proper position, the worker overhauls the high-voltage frequency converter by using tools;

s2, finally, when the parts detached during maintenance need to be moved, the parts detached during maintenance are placed between the two movable plates 16 by a worker, the driving mechanism 4 is controlled to rotate reversely, the support plate 11 moves downwards, the support plate 11 moving downwards drives the two movable blocks 13 to be close to each other in the sliding hole 12 through the rotating rod 14, the two movable blocks 13 drive the two movable plates 16 to be close to each other, the two movable plates 16 are close to each other to be in contact with the parts and then fix the parts, and the worker pushes the push rod 18 to move the parts detached during maintenance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides an auxiliary device suitable for high-voltage inverter overhauls, includes casing (1), its characterized in that: a first bearing (2) is connected to the left side face of the shell (1) in a clamping mode, a first gear (3) is arranged in the first bearing (2), a driving mechanism (4) is arranged on the left side face of the first gear (3), the right side face of the driving mechanism (4) is fixedly connected with the left side face of the shell (1), the first gear (3) is meshed with a second gear (5), and a second bearing (22) is arranged on the left side face of the second gear (5);

the second bearing (22) is clamped on the left side surface of the inner wall of the shell (1), the back surface of the first gear (3) and the front surface of the second gear (5) are meshed with the third gear (6), third bearings (23) are arranged on the left side surface and the right side surface of the third gear (6), the third bearings (23) are clamped in the shell (1), the third gear (6) is meshed with the two toothed plates (7), the top ends of the four toothed plates (7) are fixedly connected with the lower surface of the same carrier plate (11), a sliding hole (12) is formed in the upper surface of the carrier plate (11), two movable blocks (13) are connected in the sliding hole (12), and the bottom ends of the movable blocks (13) are hinged to the top end of the rotating rod (14) through pin shafts;

the bottom of dwang (14) is articulated through the top of round pin axle with fixed block (15), and the lower surface of two fixed blocks (15) is connected with the last fixed surface of casing (1), the upper surface of movable block (13) and the lower fixed surface of fly leaf (16) are connected, and the one side of keeping away from mutually of two fly leaves (16) all is provided with two stop gear (17), and the lower surface of four stop gear (17) all sets up the upper surface at support plate (11).

2. The auxiliary device suitable for the overhaul of the high-voltage frequency converter according to claim 1, wherein: toothed plate (7) sliding connection is in recess (8), recess (8) are seted up at the upper surface of casing (1).

3. The auxiliary device suitable for the overhaul of the high-voltage frequency converter according to claim 1, wherein: the left side surface and the right side surface of the movable block (13) are fixedly connected with sliding blocks (10), the sliding blocks (10) are connected in the sliding grooves (9) in a sliding mode, and the two sliding grooves (9) are respectively arranged on the left side surface and the right side surface of the inner wall of the sliding hole (12).

4. The auxiliary device suitable for the overhaul of the high-voltage frequency converter according to claim 1, wherein: stop gear (17) include riser (173), the lower surface of riser (173) is connected with the last fixed surface of support plate (11), the front joint of riser (173) has sliding sleeve (172), sliding sleeve (172) sliding connection has slide bar (171), the one end at the back of slide bar (171) and the front fixed connection of fly leaf (16).

5. The auxiliary device suitable for the overhaul of the high-voltage frequency converter according to claim 1, wherein: the front surface of the shell (1) is fixedly connected with the back surface of the fixing plate (19), and the upper surface of the fixing plate (19) is fixedly connected with the bottom end of the push rod (18).

6. The auxiliary device suitable for the overhaul of the high-voltage frequency converter according to claim 1, wherein: the right side face of the shell (1) is hinged to the front face of the door panel (21) through two hinges (20), and the left side face of the door panel (21) is connected with the right side face of the shell (1) in a clamping mode.

7. The auxiliary device suitable for the overhaul of the high-voltage frequency converter according to claim 6, wherein: a protective pad (24) is arranged in the shell (1), and the position of the protective pad (24) corresponds to the position of the door panel (21).