CN216252544U

CN216252544U - Multi-machine frequency converter

Info

Publication number: CN216252544U
Application number: CN202122792627.3U
Authority: CN
Inventors: 王永强
Original assignee: Guangzhou Shenhuake Electric Co ltd
Current assignee: Guangzhou Shenhuake Electric Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a multi-machine frequency converter, which relates to the technical field of frequency converters and comprises an installation frame, a single-machine frequency converter, a rectifier and a plug, wherein one side of the installation frame is provided with an installation groove, the rectifier is arranged on the inner side wall of the installation groove, a plurality of groups of slide rails are symmetrically arranged on the upper side wall and the lower side wall of the installation groove, the single-machine frequency converter is arranged between a pair of slide rails in a sliding way, one end, close to the rectifier, of each slide rail is provided with a stop block, the stop block is arranged on the inner wall of the installation groove, one end, close to the rectifier, of the single-machine frequency converter is connected with the plug, the plug and the rectifier are inserted together, the single-machine frequency converter and the rectifier are electrically connected together through the plug, the side wall of the plug is provided with a fixed block, the fixed block and the stop block are connected together through a positioning rod, the pressing plate is pushed to release the locking of the single-machine frequency converter, and the fixed block extends out from the end part of the installation groove under the action of a push-out spring, the single frequency converter is more convenient to take and unload, and the multi-machine frequency converter is more convenient to adjust and maintain.

Description

Multi-machine frequency converter

Technical Field

The utility model relates to the technical field of frequency converters, in particular to a multi-machine frequency converter.

Background

At present, most of frequency converters on the market are single-machine frequency converters, the single-machine frequency converters adopt a control unit to directly control an inversion unit, and the control unit does not generally control a rectification unit. A plurality of unit converters link to each other in order to realize parallel operation in prior art, but the most fixed settings of unit converter that present constitutes the multimachine converter, inconvenient change and maintenance, the not convenient to use person adjusts the quantity of unit converter according to the demand simultaneously, and the practicality that leads to the multimachine converter is relatively poor.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a multi-machine frequency converter, and the single-machine frequency converter is more convenient to mount and dismount.

In order to achieve the purpose, the utility model provides the following technical scheme: the device comprises an installation frame, a single-unit frequency converter, a rectifier and a plug, wherein one side of the installation frame is provided with an installation groove, the rectifier is arranged on the inner side wall of the installation groove, a plurality of groups of slide rails are symmetrically arranged on the upper side wall and the lower side wall of the installation groove, the single-unit frequency converter is slidably arranged between a pair of slide rails, a stop block is arranged at one end of each slide rail close to the rectifier, the stop block is arranged on the inner wall of the installation groove, the plug is connected with one end of the single-unit frequency converter close to the rectifier, a fixed block is arranged on the side wall of the plug close to the stop block, a side groove is arranged on the side wall of the stop block close to the fixed block, the fixed block is slidably arranged in the side groove, a positioning groove is arranged on one side wall of the fixed block far away from the single-unit frequency converter, an inner cavity is arranged in the stop block, a driving mechanism is arranged in the inner cavity, and the driving mechanism is connected with the positioning rod, the end part of the positioning rod extends into the side groove, and the positioning rod is inserted into the positioning groove under the action of the driving mechanism.

As a further scheme of the utility model: actuating mechanism includes the actuating lever, rack one and rack two, wherein the lateral wall that the locating lever passes through coupling spring one and inner chamber links together, and one side that the locating lever was kept away from to the inner chamber is connected with the actuating lever through coupling spring two, the multiunit blind groove has been seted up to the symmetry on the lateral wall of installation frame simultaneously, blind groove and slide rail correspond the setting, wherein the actuating lever stretches into blind inslot under coupling spring two's effect, and blind inslot slidable mounting has the push rod, a side wall mounting that the locating lever is close to the actuating lever simultaneously has rack one, and a side wall mounting that the actuating lever is close to the locating lever has rack two, the meshing has the gear between rack one and the rack two, gear revolve installs between the inner wall of inner chamber.

As a further scheme of the utility model: the fixed block is provided with in the one end lateral wall that is close to the plug and pushes away the groove, and the side groove is close to the one side that pushes away the groove simultaneously and is provided with the push pedal, and the push pedal links together through the lateral wall in flexible connecting rod and side groove to the outside of flexible connecting rod is provided with the release spring, and the both ends of releasing the spring link together with side groove and push pedal respectively.

As a further scheme of the utility model: the end part of the push rod extends out of the end part of the blind groove, the extending end of the push rod is connected with a pressing plate, and the pressing plate is installed on the side wall of the installation groove through a return spring.

As a still further scheme of the utility model: the end part side wall of the mounting groove is rotatably provided with a cover plate, and the cover plate is arranged in an end part opening of the mounting groove through a lock catch.

Due to the adoption of the technical scheme, the utility model has the following advantages: the installation frame of the utility model is internally provided with an installation groove, a plurality of groups of slide rails are symmetrically arranged on the upper side wall and the lower side wall of the installation groove, a single-machine frequency converter is arranged between a pair of slide rails in a sliding way, a fixed block is arranged on the plug side wall of the single-machine frequency converter, the fixed block and a stop block are connected together through a positioning rod, when the single-machine frequency converter needs to be disassembled, an operator presses a pressing plate inwards to drive a push rod to slide inwards and push a driving rod into an inner cavity, the driving rod drives a rack I to move through a rack II and a gear while sliding inwards, the positioning rod is driven to move towards the inner cavity, the positioning rod is drawn out from a positioning groove to release the locking of the single-machine frequency converter, the locking of the single-machine frequency converter is extended out from the end part of the installation groove under the action of a push-out spring, the disassembling of the single-machine frequency converter is more convenient, on one hand, the other hand, the maintenance and the adjustment of the multi-machine frequency converter are convenient, the practicability is stronger.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the installation of the single-unit inverter of the present invention.

Fig. 3 is a partial enlarged view of the present invention at a.

Fig. 4 is a schematic diagram of the inner cavity structure of the present invention.

As shown in the figure: 1. the device comprises a mounting frame, 2, a single frequency converter, 3, a mounting groove, 4, a sliding rail, 5, a pressing plate, 6, a rectifier, 7, a plug, 8, a cover plate, 9, a push rod, 10, a blind groove, 11, a return spring, 12, a fixing block, 13, a positioning groove, 14, a positioning rod, 15, a driving rod, 16, a side groove, 17, a push plate, 18, a telescopic connecting rod, 19, a push-out spring, 20, a stop dog, 21, an inner cavity, 22, a first connecting spring, 23, a first rack, 24, a second rack, 25, a second connecting spring, 26 and a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, the multiple frequency converter includes an installation frame 1, a single frequency converter 2, a rectifier 6 and a plug 7, wherein a mounting groove 3 is formed on one side of the installation frame 1, the rectifier 6 is installed on an inner side wall of the mounting groove 3, a plurality of sets of slide rails 4 are symmetrically installed on upper and lower side walls of the mounting groove 3, the single frequency converter 2 is installed between a pair of slide rails 4 in a sliding manner, a stopper 20 is installed on one end of the slide rail 4 close to the rectifier 6, the stopper 20 is installed on an inner wall of the mounting groove 3, the plug 7 is connected to one end of the single frequency converter 2 close to the rectifier 6, the plug 7 and the rectifier 6 are inserted together, the single frequency converter 2 and the rectifier 6 are electrically connected together through the plug 7, a fixed block 12 is installed on a side wall of the plug 7 close to the stopper 20, and a side groove 16 is formed on a side wall of the stopper 20 close to the fixed block 12, fixed block 12 slidable mounting has been in side channel 16 to fixed block 12 has seted up constant head tank 13 on keeping away from a lateral wall of unit converter 2, inner chamber 21 has been seted up to the inside of dog 20 wherein, is provided with actuating mechanism in the inner chamber 21, actuating mechanism links together with locating lever 14, the tip of locating lever 14 stretches into in side channel 16, locating lever 14 inserts in constant head tank 13 under actuating mechanism's effect, thereby with unit converter 2 fixed-position mounting in mounting groove 3, constitute the multimachine converter main part.

Referring to FIGS. 3-4, it can be seen that: the driving mechanism comprises a driving rod 15, a first rack 23 and a second rack 24, wherein the positioning rod 14 is connected with the side wall of the inner cavity 21 through a first connecting spring 22, and one side of the inner cavity 21 far away from the positioning rod 14 is connected with the driving rod 15 through a second connecting spring 25, meanwhile, the side wall of the mounting frame 1 is symmetrically provided with a plurality of groups of blind grooves 10, the blind grooves 10 are arranged corresponding to the slide rails 4, wherein the driving rod 15 extends into the blind groove 10 under the action of the second connecting spring 25, the push rod 9 is arranged in the blind groove 10 in a sliding way, the push rod 9 pushes the driving rod 15 to slide towards one end of the inner cavity 21, meanwhile, a rack I23 is arranged on one side wall of the positioning rod 14 close to the driving rod 15, and a second rack 24 is installed on one side wall of the driving rod 15 close to the positioning rod 14, a gear 26 is meshed between the first rack 23 and the second rack 24, and the gear 26 is rotatably installed between the inner walls of the inner cavity 21.

Preferably, the end of the push rod 9 extends out of the end of the blind groove 10, wherein the end of the push rod 9 that extends out is connected with the pressing plate 5, the pressing plate 5 is installed on the side wall of the installation groove 3 through the return spring 11, when the single-unit frequency converter 2 needs to be disassembled, an operator presses the pressing plate 5 inwards, the push rod 9 is driven to slide inwards, the driving rod 15 is pushed into the inner cavity 21, the driving rod 15 slides inwards, the rack I23 is driven to move through the rack II 24 and the gear 26, the positioning rod 14 is driven to move into the inner cavity 21, the positioning rod 14 is pulled out from the positioning groove 13, and the locking of the single-unit frequency converter 2 is released.

Specifically, a push groove is formed in the side wall of one end, close to the plug 7, of the fixed block 12, a push plate 17 is arranged on one side, close to the push groove, of the side groove 16, the push plate 17 is connected with the side wall of the side groove 16 through a telescopic connecting rod 18, a push spring 19 is arranged on the outer side of the telescopic connecting rod 18, and two ends of the push spring 19 are respectively connected with the side groove 16 and the push plate 17; after the single frequency converter 2 is unlocked, the single frequency converter 2 extends out from the end part of the mounting groove 3 under the action of the push-out spring 19, and the single frequency converter 2 is more convenient to take and unload.

Preferably, the end side wall of the mounting groove 3 is rotatably provided with a cover plate 8, and the cover plate 8 is mounted in an end opening of the mounting groove 3 through a lock catch (not shown in the figure) to complete the sealing and shielding of the mounting groove 3.

It should be noted that the working principle and the installation mode of the rectifier 6 both adopt the prior art, which is common knowledge of those skilled in the art, and are not described herein again.

Claims

1. Multimachine converter, including installation frame (1), unit converter (2), rectifier (6) and plug (7), its characterized in that: the mounting frame is characterized in that a mounting groove (3) is formed in one side of the mounting frame (1), a rectifier (6) is mounted on the inner side wall of the mounting groove (3), a plurality of groups of sliding rails (4) are symmetrically mounted on the upper side wall and the lower side wall of the mounting groove (3), a single-machine frequency converter (2) is slidably mounted between a pair of sliding rails (4), a stop block (20) is arranged at one end, close to the rectifier (6), of each sliding rail (4), the stop block (20) is mounted on the inner wall of the mounting groove (3), a plug (7) is connected to one end, close to the rectifier (6), of each single-machine frequency converter (2), the plug (7) and the rectifier (6) are inserted together, a fixed block (12) is mounted on the side wall, close to the stop block (20), a side groove (16) is formed in the side wall, close to the fixed block (20), and the fixed block (12) is slidably mounted in the side groove (16), and a positioning groove (13) is formed in one side wall, far away from the single-machine frequency converter (2), of the fixing block (12), an inner cavity (21) is formed in the inner portion of the stop block (20), a driving mechanism is arranged in the inner cavity (21), the driving mechanism is connected with the positioning rod (14), the end portion of the positioning rod (14) extends into the side groove (16), and the positioning rod (14) is inserted into the positioning groove (13) under the action of the driving mechanism.

2. The multi-machine frequency converter according to claim 1, characterized in that: the driving mechanism comprises a driving rod (15), a first rack (23) and a second rack (24), wherein the positioning rod (14) is connected with the side wall of an inner cavity (21) through a first connecting spring (22), one side, far away from the positioning rod (14), of the inner cavity (21) is connected with the driving rod (15) through a second connecting spring (25), meanwhile, a plurality of groups of blind grooves (10) are symmetrically formed in the side wall of the mounting frame (1), the blind grooves (10) are correspondingly arranged with the sliding rails (4), the driving rod (15) extends into the blind grooves (10) under the action of the second connecting spring (25), a push rod (9) is slidably mounted in the blind grooves (10), a first rack (23) is mounted on one side wall, close to the driving rod (15), of the driving rod (15) is mounted on one side wall, close to the positioning rod (14), a second rack (24) is mounted on one side wall, a gear (26) is meshed between the first rack (23) and the second rack (24), a gear (26) is rotatably mounted between the inner walls of the cavity (21).

3. Multi-machine frequency converter according to claim 1 or 2, characterized in that: the plug is characterized in that a push groove is formed in the side wall of one end, close to the plug (7), of the fixing block (12), a push plate (17) is arranged on one side, close to the push groove, of the side groove (16), the push plate (17) is connected with the side wall of the side groove (16) through a telescopic connecting rod (18), a push spring (19) is arranged on the outer side of the telescopic connecting rod (18), and the two ends of the push spring (19) are connected with the side groove (16) and the push plate (17) respectively.

4. The multi-machine frequency converter according to claim 2, characterized in that: the end part of the push rod (9) extends out of the end part of the blind groove (10), wherein the extending end of the push rod (9) is connected with a pressing plate (5), and the pressing plate (5) is installed on the side wall of the installation groove (3) through a return spring (11).

5. Multi-machine frequency converter according to claim 1 or 2, characterized in that: a cover plate (8) is rotatably mounted on the side wall of the end part of the mounting groove (3), and the cover plate (8) is mounted in an opening of the end part of the mounting groove (3) through a lock catch.