CN116177372A

CN116177372A - Flexible direct current converter station submodule piece changing device

Info

Publication number: CN116177372A
Application number: CN202211578682.5A
Authority: CN
Inventors: 石硕; 李佳伟; 汪昊; 周广
Original assignee: Dc Co Of State Grid Hubei Electric Power Co ltd
Current assignee: Dc Co Of State Grid Hubei Electric Power Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-30

Abstract

The utility model relates to the technical field of direct current converter station sub-module replacement equipment, and discloses a flexible direct current converter station sub-module replacement device which comprises a fixing frame, wherein a supporting frame is fixedly arranged at the top of the fixing frame, a top plate is fixedly arranged at the top of the supporting frame, a lifting adjusting mechanism is arranged at the top of the fixing frame, a module fine adjusting mechanism is arranged outside the lifting adjusting mechanism, a module clamping mechanism is arranged at the bottom of the module fine adjusting mechanism, the module clamping mechanism comprises a clamping assembly and a driving assembly, and the driving assembly is arranged inside the clamping assembly. This flexible direct current converter station submodule piece change device drives the connection pad through electric putter and upwards moves, makes the connection pad drive the connecting rod through first articulated seat and rotates, makes the connecting rod drive the grip block through the articulated seat of second and moves to inboard on the pole frame to make four grip blocks with submodule piece synchronous fixed centre gripping, and then reached the effect of being convenient for carry out the centre gripping to submodule piece fixed.

Description

Flexible direct current converter station submodule piece changing device

Technical Field

The utility model relates to the technical field of direct current converter station submodule replacement equipment, in particular to a flexible direct current converter station submodule replacement device.

Background

Flexible dc power transmission is a new generation of dc power transmission technology that is similar in structure to high voltage dc power transmission, yet is composed of a converter station and a dc power transmission line (typically, a dc cable). The converter valve is core equipment of the flexible direct current converter station, wherein the basic element forming the converter valve is a sub-module, and when the sub-module is damaged, the sub-module needs to be replaced in time, so that the influence on the normal operation of the converter station is avoided.

The utility model relates to a flexible direct current converter station sub-module replacing device (the authorized bulletin number is CN 215681547U) disclosed by a national patent network, which can be fixed in a flexible direct current valve tower, and after the device is fixed, a sub-module is hoisted by using an adjusting lifting appliance of the device, and then the hoisted sub-module slides along a guide rail of the device, so that the sub-module can be dragged out of a original position, and a new sub-module is hoisted into the original position, thereby realizing the replacement of the sub-module.

With respect to the above description, the inventors consider that there are the following problems:

in the use process of the design, the submodule is hoisted by sliding the pulley on the fixed rail, but it is not clear how to fix the submodule and adjust the longitudinal position of the submodule, and the structure that the pulley slides on the fixed rail has lower adjustment precision when the submodule is installed, so that the submodule is inconvenient to accurately align to the installation position, and therefore, the utility model needs to provide a flexible direct current converter station submodule replacing device for solving the problems.

Disclosure of Invention

The utility model aims to provide a flexible direct current converter station sub-module replacing device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible direct current convertor station submodule change device, includes the mount, the top fixed mounting of mount has the support frame, the top fixed mounting of support frame has the roof, the bottom of support frame is provided with the removal wheel, the left side fixed mounting of support frame has the pushing hands, the top of mount is provided with lift adjustment mechanism, lift adjustment mechanism's outside is provided with module fine setting mechanism, module fine setting mechanism's bottom is provided with module clamping mechanism.

The module clamping mechanism comprises a clamping assembly and a driving assembly, and the driving assembly is arranged inside the clamping assembly.

Preferably, the lifting adjusting mechanism comprises a lifting plate, the lifting plate is slidably mounted on the inner side of the supporting frame, a first screw rod is rotatably mounted at the top of the fixing frame, a first bevel gear is fixedly mounted at the top of the first screw rod, a double-shaft motor is fixedly mounted at the top of the top plate, a rotating rod is fixedly mounted at the output end of the double-shaft motor, a second bevel gear is fixedly mounted at one end, far away from the double-shaft motor, of the rotating rod, the second bevel gear is meshed with the first bevel gear, a supporting seat is fixedly mounted at the top of the top plate, and the sub-module is convenient to lift and put down.

Preferably, the corresponding position of the lifting plate and the first screw rod is provided with a threaded hole, the first screw rod is installed in the threaded hole in a threaded mode, the corresponding position of the supporting seat and the rotating rod is provided with a through hole, and the rotating rod is rotatably installed in the through hole, so that the lifting plate can conveniently perform limiting lifting sliding.

Preferably, the module fine-tuning includes first motor, first motor fixed mounting is at the top of lifter plate, the output fixed mounting of first motor has the second screw rod, the top fixed mounting of lifter plate has the backup pad, just the one end rotation that the first motor was kept away from to the second screw rod is installed on the right side of backup pad, the top slidable mounting of lifter plate has the sliding table, the bottom fixed mounting connecting block of sliding table, the bottom fixed mounting of connecting block has the fixed frame, the back fixed mounting of fixed frame has the third motor, the output fixed mounting of third motor has the third screw rod, the inside fixed mounting of fixed frame has the gag lever post, the inside slidable mounting of fixed frame has the sliding block, is convenient for adjust the mounted position of word module.

Preferably, the corresponding position of the sliding table and the second screw is provided with a threaded hole, the second screw is installed in the threaded hole in a threaded mode, the corresponding position of the lifting plate and the connecting block is provided with a through groove, the connecting block is slidably installed in the through groove, and the connecting block can slide in a limiting mode in the lifting plate conveniently.

Preferably, the corresponding position of the sliding block and the third screw is provided with a threaded hole, the third screw is installed in the threaded hole in a threaded mode, the corresponding position of the sliding block and the limiting rod is provided with a through hole, the limiting rod penetrates through the through hole, and the sliding block is driven by the third screw to conduct limiting sliding in the fixed frame conveniently.

Preferably, the clamping assembly comprises a fixed cylinder, the fixed cylinder is fixedly arranged at the bottom of the sliding block, a rod frame is fixedly arranged in the fixed cylinder, a clamping block is slidably arranged outside the rod frame, a fixed spring is fixedly arranged between the outer side of the clamping block and the inner wall of the fixed cylinder, and the fixed spring is sleeved outside the rod frame, so that the clamping block can be used for fixedly clamping the sub-module.

Preferably, the appearance structure of pole frame is "ten" font, the grip block is provided with four, the through-hole has been seted up to grip block and pole frame's corresponding position department, just the pole frame passes the through-hole, is convenient for carry out synchronous action through four grip blocks, realizes the centre gripping and the unclamping of sub-module.

Preferably, the driving assembly comprises an electric push rod, the electric push rod is fixedly arranged on the inner side of the top of the fixed cylinder, a connecting disc is fixedly arranged at the bottom of the electric push rod, a first hinging seat is fixedly arranged at the bottom of the connecting disc, a second hinging seat is fixedly arranged at the top of the clamping block, a connecting rod is hinged between the first hinging seat and the second hinging seat, and four clamping blocks can synchronously act.

Compared with the prior art, the utility model provides a device for replacing a sub-module of a flexible direct current converter station, which has the following beneficial effects:

1. this flexible direct current converter station submodule piece change device drives the connection pad through electric putter and upwards moves, make the connection pad drive the connecting rod through first articulated seat and rotate, make the connecting rod drive the grip block through the articulated seat of second and move to the outside, thereby make four grip blocks open automatically, and make grip block compression fixed spring, move grip block to submodule piece department later, drive the connection pad through electric putter and upwards move, make the connection pad drive the connecting rod through first articulated seat and rotate, make the connecting rod drive the grip block through the articulated seat of second and move to the inboard on the pole frame, thereby make four grip blocks with submodule piece synchronous fixed centre gripping, and then reached the effect that is convenient for carry out the centre gripping to submodule piece is fixed, thereby be convenient for install and dismantle to the submodule piece.

2. This flexible direct current converter station submodule piece change device drives the second screw rod through first motor and rotates, make the second screw rod drive the sliding table and carry out horizontal slip, make the sliding table drive the fixed frame through the connecting block and carry out horizontal slip regulation, thereby drive the fixed section of thick bamboo of bottom and carry out horizontal slip regulation, and then adjust the horizontal position of the submodule piece that holds, drive the third screw rod through the second motor and rotate, make the third screw rod drive the sliding block and carry out longitudinal movement in the inside of fixed frame, thereby make the sliding block drive the submodule piece of holding in the fixed section of thick bamboo and carry out longitudinal regulation, carry out horizontal and longitudinal regulation through the submodule piece, can make the submodule piece finely tune in the position of carrying out the installation, thereby make submodule piece and mounted position align.

3. This flexible direct current substation submodule piece changing device drives the dwang through biax motor and rotates, makes the dwang drive second bevel gear and rotates, makes second bevel gear drive first screw rod through the first bevel gear of meshing and rotates, makes first screw rod drive the lifter plate and carries out slip lift in the inboard of support frame to realize lifting and putting down to submodule piece.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is a schematic view of the structure of the lifting adjusting mechanism according to the present utility model;

FIG. 3 is a schematic top view of the fine tuning mechanism of the present utility model;

FIG. 4 is a schematic view of the fine tuning mechanism of the present utility model in a top view and the appearance of the mechanism;

FIG. 5 is a schematic cross-sectional view of a mounting frame and attached mechanism of the present utility model;

FIG. 6 is a schematic cross-sectional view of the front structure of the module clamping mechanism of the present utility model;

fig. 7 is a schematic view of the external appearance structure of the driving assembly of the present utility model.

In the figure: 1. a fixing frame; 2. a support frame; 3. a top plate; 4. a moving wheel; 5. pushing hands; 6. a lifting adjusting mechanism; 61. a lifting plate; 62. a first screw; 63. a first bevel gear; 64. a biaxial motor; 65. a rotating lever; 66. a second bevel gear; 67. a support base; 7. a module fine adjustment mechanism; 71. a first motor; 72. a second screw; 73. a support plate; 74. a sliding table; 75. a connecting block; 76. a fixed frame; 77. a third motor; 78. a third screw; 79. a limit rod; 710. a sliding block; 8. a module clamping mechanism; 81. a clamping assembly; 811. a fixed cylinder; 812. a pole frame; 813. a fixed spring; 814. a clamping block; 82. a drive assembly; 821. an electric push rod; 822. a connecting disc; 823. a first hinge base; 824. the second hinge seat; 825. and (5) connecting a rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one:

referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a flexible direct current convertor station submodule piece change device, includes mount 1, and the top fixed mounting of mount 1 has support frame 2, and the top fixed mounting of support frame 2 has roof 3, and the bottom of support frame 2 is provided with movable wheel 4, and the left side fixed mounting of support frame 2 has pushing hands 5, and the top of mount 1 is provided with lift adjustment mechanism 6, and lift adjustment mechanism 6's outside is provided with module fine setting mechanism 7, and module fine setting mechanism 7's bottom is provided with module fixture 8.

The module clamping mechanism 8 comprises a clamping assembly 81 and a driving assembly 82, wherein the driving assembly 82 is arranged inside the clamping assembly 81.

Further, the clamping assembly 81 includes a fixing cylinder 811, the fixing cylinder 811 is fixedly mounted at the bottom of the sliding block 710, a rod frame 812 is fixedly mounted inside the fixing cylinder 811, a clamping block 814 is slidably mounted outside the rod frame 812, a fixing spring 813 is fixedly mounted between the outer side of the clamping block 814 and the inner wall of the fixing cylinder 811, and the fixing spring 813 is sleeved on the outer side of the rod frame 812, so that the clamping block 814 can clamp the sub-modules fixedly.

Further, the shape structure of the rod rack 812 is in a cross shape, four clamping blocks 814 are arranged, through holes are formed in the positions, corresponding to the positions of the clamping blocks 814 and the rod rack 812, of the rod rack 812, and the rod rack 812 penetrates through the through holes, so that synchronous actions can be conveniently performed through the four clamping blocks 814, and clamping and loosening of the sub-modules are achieved.

Further, the driving assembly 82 includes an electric push rod 821, the electric push rod 821 is fixedly mounted on the top inner side of the fixed cylinder 811, a connecting disc 822 is fixedly mounted at the bottom of the electric push rod 821, a first hinging seat 823 is fixedly mounted at the bottom of the connecting disc 822, a second hinging seat 824 is fixedly mounted at the top of the clamping block 814, and a connecting rod 825 is hinged between the first hinging seat 823 and the second hinging seat 824, so that the four clamping blocks 814 can synchronously act.

Embodiment two:

referring to fig. 2, and further to the first embodiment, the lifting adjusting mechanism 6 includes a lifting plate 61, the lifting plate 61 is slidably mounted on the inner side of the supporting frame 2, a first screw rod 62 is rotatably mounted on the top of the fixing frame 1, a first bevel gear 63 is fixedly mounted on the top of the first screw rod 62, a dual-shaft motor 64 is fixedly mounted on the top of the top plate 3, a rotating rod 65 is fixedly mounted at the output end of the dual-shaft motor 64, a second bevel gear 66 is fixedly mounted at one end of the rotating rod 65 far from the dual-shaft motor 64, the second bevel gear 66 is meshed with the first bevel gear 63, and a supporting seat 67 is fixedly mounted on the top of the top plate 3, so that lifting and lowering of the sub-module are facilitated.

Further, a threaded hole is formed in the position, corresponding to the lifting plate 61 and the first screw 62, of the first screw 62, a through hole is formed in the position, corresponding to the supporting seat 67 and the rotating rod 65, of the first screw 62, and the rotating rod 65 is rotatably mounted in the through hole, so that the lifting plate 61 can conveniently perform limiting lifting sliding.

Embodiment III:

referring to fig. 3-5, and further obtaining, in combination with the first embodiment and the second embodiment, the module fine adjustment mechanism 7 includes a first motor 71, the first motor 71 is fixedly installed at the top of the lifting plate 61, a second screw 72 is fixedly installed at the output end of the first motor 71, a supporting plate 73 is fixedly installed at the top of the lifting plate 61, one end of the second screw 72 far away from the first motor 71 is rotatably installed at the right side of the supporting plate 73, a sliding table 74 is slidably installed at the top of the lifting plate 61, a connecting block 75 is fixedly installed at the bottom of the sliding table 74, a fixing frame 76 is fixedly installed at the bottom of the connecting block 75, a third motor 77 is fixedly installed at the back of the fixing frame 76, a third screw 78 is fixedly installed at the output end of the third motor 77, a limiting rod 79 is fixedly installed inside the fixing frame 76, and a sliding block 710 is slidably installed inside the fixing frame 76, so as to adjust the installation position of the letter module.

Further, a threaded hole is formed in the corresponding position of the sliding table 74 and the second screw 72, the second screw 72 is installed in the threaded hole in a threaded mode, a through groove is formed in the corresponding position of the lifting plate 61 and the connecting block 75, the connecting block 75 is installed in the through groove in a sliding mode, and limiting sliding of the connecting block 75 in the lifting plate 61 is facilitated.

Further, a threaded hole is formed at a position corresponding to the sliding block 710 and the third screw 78, the third screw 78 is installed in the threaded hole in a threaded manner, a through hole is formed at a position corresponding to the sliding block 710 and the limiting rod 79, and the limiting rod 79 passes through the through hole, so that the third screw 78 is convenient for driving the sliding block 710 to perform limiting sliding in the fixed frame 76.

In the actual operation process, when the device is used, the double-shaft motor 64 drives the rotating rod 65 to rotate, so that the rotating rod 65 drives the second bevel gear 66 to rotate, the second bevel gear 66 drives the first screw rod 62 to rotate through the meshed first bevel gear 63, and the first screw rod 62 drives the lifting plate 61 to slide and lift on the inner side of the support frame 2, so that the lifting and lowering of the sub-module are realized;

the first motor 71 drives the second screw 72 to rotate, so that the second screw 72 drives the sliding table 74 to transversely slide, the sliding table 74 drives the fixed frame 76 to transversely slide and adjust through the connecting block 75, the fixed cylinder 811 at the bottom is driven to transversely slide and adjust, the transverse position of the clamped submodule is adjusted, the second motor drives the third screw 78 to rotate, the third screw 78 drives the sliding block 710 to longitudinally move in the fixed frame 76, the sliding block 710 drives the submodule clamped in the fixed cylinder 811 to longitudinally adjust, and the submodule can be finely adjusted in the installation position through the transverse and longitudinal adjustment of the submodule, so that the submodule is aligned with the installation position;

the connecting disc 822 is driven to move upwards through the electric push rod 821, the connecting disc 822 drives the connecting rod 825 to rotate through the first hinging seat 823, the connecting rod 825 drives the clamping blocks 814 to move outwards through the second hinging seat 824, the four clamping blocks 814 are enabled to be automatically opened, the clamping blocks 814 compress the fixed springs 813, then the clamping blocks 814 are moved to the sub-module, the connecting disc 822 is driven to move upwards through the electric push rod 821, the connecting disc 822 drives the connecting rod 825 to rotate through the first hinging seat 823, the connecting rod 825 drives the clamping blocks 814 to move inwards on the rod frame 812 through the second hinging seat 824, and therefore the sub-modules are enabled to be clamped synchronously and fixedly through the four clamping blocks 814, and the effect of clamping and fixing the sub-modules is achieved, so that the sub-modules are convenient to install and detach.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. The utility model provides a flexible direct current converter station submodule piece change device, includes mount (1), its characterized in that: the lifting device comprises a fixing frame (1), wherein a supporting frame (2) is fixedly arranged at the top of the fixing frame (1), a top plate (3) is fixedly arranged at the top of the supporting frame (2), a moving wheel (4) is arranged at the bottom of the supporting frame (2), a pushing hand (5) is fixedly arranged at the left side of the supporting frame (2), a lifting adjusting mechanism (6) is arranged at the top of the fixing frame (1), a module fine adjusting mechanism (7) is arranged outside the lifting adjusting mechanism (6), and a module clamping mechanism (8) is arranged at the bottom of the module fine adjusting mechanism (7);

the module clamping mechanism (8) comprises a clamping assembly (81) and a driving assembly (82), wherein the driving assembly (82) is arranged inside the clamping assembly (81).

2. A flexible direct current converter station submodule exchange device according to claim 1, characterized in that: lifting adjustment mechanism (6) are including lifter plate (61), lifter plate (61) slidable mounting is in the inboard of support frame (2), first screw rod (62) are installed in the top rotation of mount (1), the top fixed mounting of first screw rod (62) has first bevel gear (63), the top fixed mounting of roof (3) has biax motor (64), the output fixed mounting of biax motor (64) has dwang (65), the one end fixed mounting that biax motor (64) were kept away from to dwang (65) has second bevel gear (66), second bevel gear (66) mesh with first bevel gear (63), the top fixed mounting of roof (3) has supporting seat (67).

3. A flexible direct current converter station submodule exchange device according to claim 2, characterized in that: threaded holes are formed in positions, corresponding to the positions, of the lifting plate (61) and the first screw rod (62), the first screw rod (62) is installed in the threaded holes in a threaded mode, through holes are formed in positions, corresponding to the supporting seat (67) and the rotating rod (65), of the rotating rod (65), and the rotating rod (65) is installed in the through holes in a rotating mode.

4. A flexible direct current converter station submodule exchange device according to claim 2, characterized in that: the module fine-tuning (7) comprises a first motor (71), the top at lifter plate (61) of first motor (71) fixed mounting, the output fixed mounting of first motor (71) has second screw rod (72), the top fixed mounting of lifter plate (61) has backup pad (73), just the one end rotation that first motor (71) was kept away from to second screw rod (72) is installed on the right side of backup pad (73), the top slidable mounting of lifter plate (61) has sliding table (74), the bottom fixed mounting connecting block (75) of sliding table (74), the bottom fixed mounting of connecting block (75) has fixed frame (76), the back fixed mounting of fixed frame (76) has third motor (77), the output fixed mounting of third motor (77) has third screw rod (78), the inside fixed mounting of fixed frame (76) has gag lever post (79), the inside slidable mounting of fixed frame (76) has sliding block (710).

5. A flexible direct current converter station submodule exchange device according to claim 4, characterized in that: screw holes are formed in positions, corresponding to the positions, of the sliding table (74) and the second screw rod (72), the second screw rod (72) is installed in the screw holes in a threaded mode, through grooves are formed in positions, corresponding to the lifting plate (61) and the connecting block (75), of the connecting block (75), and the connecting block (75) is installed in the through grooves in a sliding mode.

6. A flexible direct current converter station submodule exchange device according to claim 4, characterized in that: screw holes are formed in positions, corresponding to the positions, of the sliding block (710) and the third screw rod (78), and the third screw rod (78) is installed in the screw holes in a threaded mode, through holes are formed in positions, corresponding to the sliding block (710) and the limiting rod (79), of the limiting rod (79), and the limiting rod (79) penetrates through the through holes.

7. A flexible direct current converter station submodule exchange device according to claim 4, characterized in that: the clamping assembly (81) comprises a fixed cylinder (811), the fixed cylinder (811) is fixedly arranged at the bottom of the sliding block (710), a rod frame (812) is fixedly arranged in the fixed cylinder (811), a clamping block (814) is arranged on the outer part of the rod frame (812) in a sliding mode, a fixed spring (813) is fixedly arranged between the outer side of the clamping block (814) and the inner wall of the fixed cylinder (811), and the fixed spring (813) is sleeved on the outer part of the rod frame (812).

8. A flexible direct current converter station submodule exchange device according to claim 7, characterized in that: the appearance structure of pole frame (812) is "ten" font, grip block (814) are provided with four, through-hole has been seted up in grip block (814) and the corresponding position department of pole frame (812), just pole frame (812) pass the through-hole.

9. A flexible direct current converter station submodule exchange device according to claim 7, characterized in that: the driving assembly (82) comprises an electric push rod (821), the electric push rod (821) is fixedly mounted on the inner side of the top of the fixed cylinder (811), a connecting disc (822) is fixedly mounted at the bottom of the electric push rod (821), a first hinging seat (823) is fixedly mounted at the bottom of the connecting disc (822), a second hinging seat (824) is fixedly mounted at the top of the clamping block (814), and a connecting rod (825) is hinged between the first hinging seat (823) and the second hinging seat (824).