CN213521303U - Low voltage ride through protection device - Google Patents
Low voltage ride through protection device Download PDFInfo
- Publication number
- CN213521303U CN213521303U CN202021326289.3U CN202021326289U CN213521303U CN 213521303 U CN213521303 U CN 213521303U CN 202021326289 U CN202021326289 U CN 202021326289U CN 213521303 U CN213521303 U CN 213521303U
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- Prior art keywords
- wall
- shaped frame
- fixedly connected
- movable
- close
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- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a low voltage ride through protection device, which comprises a U-shaped frame, a transverse plate is fixedly connected between the inner walls of the left side and the right side of the U-shaped frame near the center, a threaded rod is arranged below the transverse plate, the left end of the threaded rod is movably connected with the inner wall of the left side of the U-shaped frame through a bearing, the right end of the threaded rod is movably connected with the right inner wall of the U-shaped frame through a bearing, movable plates are respectively and movably connected with the positions, close to the left side and the right side, of the rod wall of the threaded rod through threaded holes, the bottoms of the two movable plates are respectively and fixedly connected with a sliding block, the bottom of the inner cavity of the U-shaped frame is provided with a sliding chute matched with the sliding block, the tops of the two movable plates are respectively and fixedly connected with a movable rod, the bottom of diaphragm is seted up with movable rod assorted movable slot, the utility model discloses a series of structures make this device have be convenient for fixed and characteristics such as the installation of being convenient for.
Description
Technical Field
The utility model relates to a protection device technical field specifically is low-voltage ride through protection device.
Background
When grid faults or disturbance cause voltage drops of grid-connected points of a wind power plant, a wind turbine generator set can continuously run in a grid-connected mode within a voltage drop range, when grid-connected voltage drops of photovoltaic power stations are caused by power system accidents or disturbance of photovoltaic power stations, the photovoltaic power stations can guarantee continuous operation without grid disconnection within a certain voltage drop range and time intervals, and need a protection device to protect the photovoltaic power stations when the photovoltaic power stations are used.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem lie in overcoming prior art's be not convenient for fix and be not convenient for defect such as installation, provide low-voltage ride through protection device. The low-voltage ride-through protection device has the characteristics of convenience in fixing, convenience in installation and the like.
In order to achieve the above object, the utility model provides a following technical scheme: the low-voltage ride-through protection device comprises a U-shaped frame, a transverse plate is fixedly connected between the inner walls of the left side and the right side of the U-shaped frame near the center, a threaded rod is arranged below the transverse plate, the left end of the threaded rod is movably connected with the inner wall of the left side of the U-shaped frame through a bearing, the right end of the threaded rod is movably connected with the inner wall of the right side of the U-shaped frame through a bearing, movable plates are respectively and movably connected with the positions on the rod wall of the threaded rod near the left side and the right side of the threaded rod through threaded holes, sliding blocks are respectively and fixedly connected with the bottoms of the two movable plates, sliding grooves matched with the sliding blocks are formed in the bottom of an inner cavity of the U-shaped frame, movable rods are respectively and fixedly connected with the tops of the two movable plates, movable grooves are respectively formed in the, the left side lateral wall of U-shaped frame is close to bottom department and installs the motor, and the output shaft of motor and the left end fixed connection of threaded rod, the top of diaphragm is close to center department and has placed the work piece, and the work piece is located between two splint, two install respectively on the right side lateral wall of splint and the left side lateral wall and protect the pad.
Preferably, two the top of splint is provided with the fixed plate respectively, two the right side lateral wall and the left side lateral wall of fixed plate respectively with the left side lateral wall and the right side lateral wall fixed connection of work piece, two the top of fixed plate is provided with the mounting panel respectively, two fixed connection slider respectively on the right side lateral wall and the left side lateral wall of mounting panel, set up respectively on the left side lateral wall of work piece and the right side lateral wall with slider assorted spout, two the top of fixed plate is close to left side and the punishment of right side do not fixed connection and first fixed block, two the bottom of mounting panel is close to left side and the punishment of right side do not fixedly connected with second fixed block, and the antetheca of second fixed block has the rhombus connecting rod through bearing swing joint, the back wall of rhombus connecting rod is close.
Preferably, two the top of fixed plate is close to right side and left side department and the top of two mounting panels is close to left and right sides department fixedly connected with connecting plate respectively, and the antetheca of connecting plate is close to left and right sides department and has seted up the screw hole respectively.
Preferably, the bottom of the U-shaped frame is provided with pulleys near the left side and the right side respectively, and the two pulleys in the horizontal direction are arranged in a left-right symmetry mode at the central axis of the U-shaped frame.
Preferably, the two diamond connecting rods in the horizontal direction are arranged in a left-right symmetrical mode with the central axis of the workpiece.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the technical scheme, the motor, the threaded rod, the movable plate, the movable rod and the clamping plate are matched with each other, so that the movable plate is driven by the output shaft of the motor to move inwards through the threaded rod, the movable plate drives the clamping plate to clamp a workpiece through the movable rod, the purpose of facilitating fixing is achieved, and the working efficiency of the workpiece can be effectively improved;
2. in this technical scheme, through mutually supporting between mounting panel, rhombus connecting rod and the connecting plate, can realize that the mounting panel passes through the rhombus connecting rod and drives the connecting plate and carry out up-and-down motion adjusting position, reach the purpose of being convenient for install, can its availability factor of effectual improvement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view of fig. 1 at B.
Reference numbers in the figures: 1. a U-shaped frame; 2. a motor; 3. a movable groove; 4. a movable rod; 5. a workpiece; 6. a movable plate; 7. a threaded rod; 8. a transverse plate; 9. a splint; 10. a fixing plate; 11. a diamond-shaped connecting rod; 12. mounting a plate; 13. a screw hole; 14. a connecting plate; 15. a protective pad; 16. a pulley.
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. 1-3, the present invention provides a technical solution: the low-voltage ride-through protection device comprises a U-shaped frame 1, wherein a transverse plate 8 is fixedly connected between the inner walls of the left side and the right side of the U-shaped frame 1 near the center, a threaded rod 7 is arranged below the transverse plate 8, the left end of the threaded rod 7 is movably connected with the inner wall of the left side of the U-shaped frame 1 through a bearing, the right end of the threaded rod 7 is movably connected with the inner wall of the right side of the U-shaped frame 1 through a bearing, movable plates 6 are respectively movably connected with the positions on the rod wall of the threaded rod 7 near the left side and the right side through threaded holes, sliders are respectively and fixedly connected with the bottoms of the two movable plates 6, sliding grooves matched with the sliders are formed in the bottom of an inner cavity of the U-shaped frame 1, movable rods 4 are respectively and fixedly connected with the tops of the two movable plates 6, movable grooves 3 matched with the transverse plate 8 are formed, a motor 2 is arranged on the left side wall of the U-shaped frame 1 near the bottom, the output shaft of the motor 2 is fixedly connected with the left end of a threaded rod 7, a workpiece 5 is arranged on the top of a transverse plate 8 near the center, the workpiece 5 is positioned between the two clamping plates 9, the right side wall and the left side wall of the two clamping plates 9 are respectively provided with a protective pad 15, the bottom of the U-shaped frame 1 close to the left side and the right side is respectively provided with a pulley 16, and two pulleys 16 positioned in the horizontal direction are arranged in bilateral symmetry at the central axis of the U-shaped frame 1, through the mutual matching among the motor 2, the threaded rod 7, the movable plate 6, the movable rod 4 and the clamping plate 9, the output shaft of the motor 2 can drive the movable plate 6 to move inwards through the threaded rod 7, the movable plate 6 can drive the clamping plate 9 through the movable rod 4 to clamp the workpiece 5, the purpose of convenient fixation is achieved, and the working efficiency of the workpiece can be effectively improved;
The working principle is as follows: when the technical scheme is used, firstly, the motor 2 is started, the output shaft of the motor 2 drives the threaded rod 7 to rotate, the threaded rod 7 can rotate to drive the two movable plates 6 to move inwards, the two movable plates 6 move inwards to move inwards on the sliding groove through the sliding block, the two movable plates 6 can drive the movable rods 4 to move inwards, so that the two movable rods 4 can drive the clamping plates 9 to move towards the workpiece 5, the clamping plates 9 can clamp and fix the workpiece 5, the protective pads 15 can protect the workpiece 5, the workpiece 5 can be transported through the pulleys 16 at the moment, the purpose of facilitating fixing is achieved, the working efficiency of the device can be effectively improved, when the device is mounted in a virtual mode, the clamping plates 9 can be rotated in the opposite direction through the motor 2 to enable the clamping plates 9 to be far away from the workpiece 5, the workpiece 5 can be moved down to be mounted, and the mounting, the mounting panel 12 downstream passes through the slider downstream on the spout, can realize the position of mounting panel 12 motion regulation connecting plate 14, has accomplished connecting plate 14 when the position of adjusting, then can pass through screw hole 13 with the screw and make connecting plate 14 fix the position that needs the installation, reaches the purpose of the installation of being convenient for, can effectual improvement its availability factor.
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 (5)
1. Low voltage ride through protection device, including U-shaped frame (1), its characterized in that: a transverse plate (8) is fixedly connected with the left side and the right side of the inner wall of the U-shaped frame (1) near the center, a threaded rod (7) is arranged below the transverse plate (8), the left end of the threaded rod (7) is movably connected with the left side inner wall of the U-shaped frame (1) through a bearing, the right end of the threaded rod (7) is movably connected with the right side inner wall of the U-shaped frame (1) through a bearing, movable plates (6) are respectively movably connected with the left side and the right side of the rod wall of the threaded rod (7) near the left side and the right side, sliders are respectively fixedly connected with the bottoms of the two movable plates (6), sliding grooves matched with the sliders are formed in the bottom of the inner cavity of the U-shaped frame (1), movable rods (4) are respectively fixedly connected with the tops of the two movable plates (6), and movable grooves (3) matched with the movable, and the top of two movable rods (4) passes movable groove (3) respectively and extends to top fixedly connected with splint (9) of movable groove (3), the left side lateral wall of U-shaped frame (1) is close to bottom department and installs motor (2), and the output shaft of motor (2) and the left end fixed connection of threaded rod (7), work piece (5) have been placed near center department in the top of diaphragm (8), and work piece (5) are located between two splint (9), two install respectively on the right side lateral wall of splint (9) and the left side lateral wall and protect pad (15).
2. The low voltage ride through protection device of claim 1, wherein: fixing plates (10) are respectively arranged above the two clamping plates (9), the right side wall and the left side wall of the two fixing plates (10) are respectively and fixedly connected with the left side wall and the right side wall of the workpiece (5), mounting plates (12) are respectively arranged above the two fixing plates (10), slide blocks are respectively and fixedly connected on the right side wall and the left side wall of the two mounting plates (12), the left side wall and the right side wall of the workpiece (5) are respectively provided with a sliding chute matched with the sliding block, the top parts of the two fixing plates (10) close to the left side and the right side are respectively and fixedly connected with a first fixing block, the bottom parts of the two mounting plates (12) close to the left side and the right side are respectively and fixedly connected with a second fixing block, and the antetheca of second fixed block has rhombus connecting rod (11) through bearing swing joint, the back wall of rhombus connecting rod (11) is close to bottom department and passes through bearing and the antetheca swing joint of first fixed block.
3. The low voltage ride through protection device of claim 2, wherein: two the top of fixed plate (10) is close to right side and left side department and the top of two mounting panels (12) and is close to left and right sides department fixedly connected with connecting plate (14) respectively, and the antetheca of connecting plate (14) is close to left and right sides department and has seted up screw hole (13) respectively.
4. The low voltage ride through protection device of claim 1, wherein: pulleys (16) are respectively installed at the positions, close to the left side and the right side, of the bottom of the U-shaped frame (1), and the two pulleys (16) located in the horizontal direction are symmetrically arranged in the left-right direction at the central axis of the U-shaped frame (1).
5. The low voltage ride through protection device of claim 2, wherein: the two rhombic connecting rods (11) in the horizontal direction are arranged in a left-right symmetrical mode with the central axis of the workpiece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326289.3U CN213521303U (en) | 2020-07-08 | 2020-07-08 | Low voltage ride through protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326289.3U CN213521303U (en) | 2020-07-08 | 2020-07-08 | Low voltage ride through protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521303U true CN213521303U (en) | 2021-06-22 |
Family
ID=76433976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021326289.3U Expired - Fee Related CN213521303U (en) | 2020-07-08 | 2020-07-08 | Low voltage ride through protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521303U (en) |
-
2020
- 2020-07-08 CN CN202021326289.3U patent/CN213521303U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |