CN216593032U - Driving mechanism for steel cable type switch explosion-proof ball - Google Patents
Driving mechanism for steel cable type switch explosion-proof ball Download PDFInfo
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- CN216593032U CN216593032U CN202122457307.2U CN202122457307U CN216593032U CN 216593032 U CN216593032 U CN 216593032U CN 202122457307 U CN202122457307 U CN 202122457307U CN 216593032 U CN216593032 U CN 216593032U
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Abstract
The utility model relates to a driving mechanism for an explosion-proof ball of a steel cable type switch, which is characterized in that: it includes casing, drive assembly, speed reducer and tractive subassembly, the casing links firmly in the frame of explosion-proof ball, drive assembly arranges in the casing and links firmly, and drive assembly's power input end links firmly with the power supply, the speed reducer is arranged in outside the casing or is arranged in the casing and links firmly, and the power input shaft of speed reducer links firmly with drive assembly's power take off end, the single groove rope sheave or the double flute rope sheave of tractive subassembly are arranged in the casing, are cup jointed on the power output shaft of speed reducer and link firmly, the cable wire one end of tractive subassembly is articulated with the rope sheave, and the cable wire other end winding of tractive subassembly is on single groove rope sheave or double flute rope sheave, and the end is articulated with spheroid or the spherical cap that is located explosion-proof ball upper end.
Description
Technical Field
The utility model relates to an explosion-proof apparatus, in particular to a driving mechanism for an explosion-proof ball of a steel cable type switch.
Background
The storage and transportation tank for transferring and destroying dangerous goods is also called an explosion-proof tank or an explosion-proof ball, and is mainly used for temporarily storing suspected corrosive, toxic volatile, flammable and explosive objects, biochemical products and suspected small-equivalent explosive dangerous goods (such as fireworks and crackers) in personnel intensive places such as subways, airports, wharfs, stations, gymnasiums, exhibition venues, squares, security inspection places, passenger and cargo ships, railway trains and the like. Can also be used as a transport container for the dangerous goods. The structure of the tank comprises a tank body, a tank cover and a switch driving mechanism. In the explosion-proof tank or the explosion-proof ball in the prior art, a switch driving mechanism is of a hand wheel rotating type structure, the time for opening and closing the tank cover is long, generally between 20s and 30s or longer, and certain unsafe factors exist. And a switching mechanism adopting a swinging bracket, a guide bracket, a quick switching mechanism and a connecting arm is also adopted, but the structure is complex, a plurality of parts are not easy to maintain, and the cost is high.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: overcomes the defects of the prior art and provides a driving mechanism for an explosion-proof ball of a steel cable type switch.
The technical scheme for solving the technical problem is as follows: a kind of actuating mechanism used for explosion-proof ball of the steel cable type switch, its characteristic is: it includes casing, drive assembly, speed reducer and tractive subassembly, the casing links firmly in the frame of explosion-proof ball, drive assembly arranges in the casing and links firmly, and drive assembly's power input end links firmly with the power supply, the speed reducer is arranged in outside the casing or is arranged in the casing and links firmly, and the power input shaft of speed reducer links firmly with drive assembly's power take off end, the single groove rope sheave or the double flute rope sheave of tractive subassembly are arranged in the casing, are cup jointed on the power output shaft of speed reducer and link firmly, the cable wire one end of tractive subassembly is articulated with the rope sheave, and the cable wire other end winding of tractive subassembly is on single groove rope sheave or double flute rope sheave, and the end is articulated with spheroid or the spherical cap that is located explosion-proof ball upper end.
The power source is one or the combination of a speed reducing motor and a hand wheel.
The speed reducing motor is a direct current speed reducing motor.
The speed reducer is a worm gear speed reducer.
The transmission assembly comprises a first driving shaft, a driving bevel gear, a driven shaft, a driven bevel gear and a second driving shaft, the first driving shaft is arranged on the side surface of the speed reducer and below the traction assembly, one end of the first driving shaft extends out of the shell and is fixedly connected with the shell through a rolling bearing serving as a support sleeve, the driving bevel gear is arranged in the shell, sleeved on the first driving shaft and fixedly connected, the hand wheel is sleeved on and fixedly connected with the end of the first driving shaft extending out of the shell, the driven shaft is arranged on the side surface of the speed reducer and below the traction assembly, the axis of the driven shaft is vertical to the axis of the first driving shaft, the driven bevel gear is arranged in the shell, sleeved on the driven shaft and fixedly connected, the driving bevel gear is meshed with the driven bevel gear, the second driving shaft is arranged in the shell and below the driven shaft, and the axis of the second driving shaft is coaxial with the axis of the driven shaft, the second driving shaft is fixedly connected with the shell through a rolling bearing serving as a supporting sleeve, one end of the second driving shaft extends into the shell to be fixedly connected with the driven shaft, and the other end of the second driving shaft extends out of the shell to be fixedly connected with a power input shaft of the speed reducing motor.
The drawing assembly consists of a first drawing part and a second drawing part, and when the drawing assembly is connected with the explosion-proof ball, one of the first drawing part and the second drawing part is selected.
The first traction part comprises a cantilever, a single-groove rope pulley, a driven wheel, a first tension wheel and a steel cable, the lower end of the cantilever is fixedly connected with a shell of the driving mechanism, and the top end of the cantilever is located above the explosion-proof ball, the single-groove rope pulley is arranged in the shell, sleeved on a power output shaft of the speed reducer and fixedly connected, the driven wheel is arranged at the end of the cantilever and fixedly connected with the cantilever through a rolling bearing serving as a supporting sleeve, the first tension wheel is arranged in the middle of the cantilever and fixedly connected with the cantilever through the rolling bearing serving as the supporting sleeve, one end of the steel cable is hinged with the single-groove rope pulley, and the other end of the steel cable is wound on the single-groove rope pulley, bypasses the first tension wheel and is hinged with a ball body or a ball cover located at the upper end of the explosion-proof ball from the driven wheel.
The second traction component comprises a double-groove rope pulley, a second tension pulley, a first steel cable and a second steel cable, the double-groove rope pulley is arranged in the shell, sleeved on a power output shaft of the speed reducer and fixedly connected, the second tension pulley is arranged below the shell of the driving mechanism and fixedly connected, one end of the first steel cable is hinged with the first groove of the double-groove rope pulley, the other end of the first steel cable is wound on the double-groove rope pulley and is hinged with a ball body or a ball cover positioned at the upper end of the explosion-proof ball by bypassing the second tension pulley, one end of the second steel cable is hinged with the second groove of the double-groove rope pulley, the other end of the second steel cable is wound on the double-groove rope pulley, the end head of the second steel cable is hinged with the opening of the ball body or the ball cover at the upper end of the explosion-proof ball, the winding directions of the first steel cable and the second steel cable on the double-groove rope pulley are opposite, the first steel cable and the second steel cable are retracted and released when the double-groove rope wheel rotates, so that the purpose of opening or closing the explosion-proof ball is achieved.
The utility model has the beneficial effects that: the device shortens the time of opening and closing the tank cover relative to a hand wheel rotating structure, and has simple structure and low maintenance cost relative to the opening and closing mechanisms of the swinging bracket, the guide bracket, the quick opening and closing mechanism and the connecting arm. When the explosion-proof ball is opened by adopting a single-groove rope pulley structure, the main acting force is the self weight of the explosion-proof ball, and the pulling force of the steel cable is used as the counterforce, so that the opening action speed of the ball can be reduced, and the impact force generated by the over-high opening action speed of the ball under the action of gravity is prevented; when the explosion-proof ball is closed, the main acting force is the pulling force of the steel cable, the self weight of the ball body of the explosion-proof ball is used as the reacting force, and the ball body and the ball cover can be slowly closed. When the explosion-proof ball is opened by adopting a double-groove rope pulley structure, the main acting force is the self weight of the ball body of the explosion-proof ball and the pulling force of the first steel cable, and the pulling force of the second steel cable is used as the counter acting force, so that the opening action speed of the ball body can be reduced, and the impact force generated by the excessively high opening action speed of the ball body under the action of the gravity and the pulling force of the first steel cable is prevented; when the explosion-proof ball is closed, the main acting force is the pulling force of the second steel cable, the self weight of the ball body of the explosion-proof ball and the pulling force of the first steel cable are used as reacting forces, and the ball body and the ball cover can be slowly closed. Has the advantages of simple structure, low cost, easy maintenance, safety and reliability.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic sectional view A-A of the drive mechanism of the pulling assembly of example 1 with the pulling assembly removed;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view C-C of FIG. 4;
FIG. 6 is a schematic view of the working state of embodiment 1;
FIG. 7 is a schematic structural view of embodiment 2;
FIG. 8 is a D-D front cross-sectional view of the drive mechanism of embodiment 2 with the pulling assembly removed;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a schematic cross-sectional view E-E of FIG. 9;
FIG. 11 is a schematic cross-sectional view F-F of FIG. 10;
fig. 12 is a schematic view of the working state of embodiment 2.
In the figure: the device comprises a driven wheel 1, a ball 2, a steel cable 3, a first tensioning wheel 4, a cantilever 5, a frame 6, a shell 7, a transmission assembly 8, a hand wheel 9, a single-groove rope pulley 10, a speed reducer 11, a driven shaft 12, a speed reducing motor 13, a second toothed sleeve 14, a spring 15, a first toothed sleeve 16, a spring seat 17, a first driving shaft 18, a motor seat 19, a hand wheel seat 20, a driven bevel gear 21, a driving bevel gear 22, a second driving shaft 23, a power output shaft 24, a first steel cable 25, a second steel cable 26, a second tensioning wheel 27 and a double-groove rope pulley 28.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
Referring to fig. 1-6, embodiment 1, the driving mechanism for the explosion-proof ball of the steel cable switch of this embodiment includes a housing 7, a transmission assembly 8, a speed reducer 11 and a drawing assembly, the housing 7 is fixedly connected to a frame 6 of the explosion-proof ball, the transmission assembly 8 is disposed in the housing 7 and fixedly connected thereto, a power input end of the transmission assembly 8 is fixedly connected to a power source, the speed reducer 11 is disposed outside the housing 7 and fixedly connected thereto, a power input shaft of the speed reducer 11 is fixedly connected to a power output end of the transmission assembly 8, a single-groove rope pulley 10 of the drawing assembly is disposed in the housing 7, sleeved to a power output shaft 24 of the speed reducer 11 and fixedly connected thereto, one end of a steel cable 3 of the drawing assembly is hinged to the single-groove rope pulley 10, the other end of the steel cable 3 of the drawing assembly is wound on the single-groove rope pulley 10, and an end of the steel cable is hinged to a ball 2 located at an upper end of the explosion-proof ball.
The power source is the combination of a speed reducing motor 13 and a hand wheel 9.
The gear motor 13 is a direct current gear motor, and the model is as follows: 72 the machine base 120W250-280 turns/min.
The reducer 11 is a worm reducer, and is of a model NVRM50-40 (for 60 servo).
The transmission assembly 8 comprises a first driving shaft 18, a driving bevel gear 22, a driven shaft 12, a driven bevel gear 21 and a second driving shaft 23, the first driving shaft 18 is arranged on the side surface of the speed reducer 11 and below the traction assembly, one end of the first driving shaft 18 extends out of the shell 7, the driving bevel gear 22 is arranged in the shell 7, sleeved on the first driving shaft 18 and fixedly connected, a hand wheel seat 20 is sleeved outside the first driving shaft 18, the left end of the hand wheel seat 20 is fixedly connected with the shell 7, a rolling bearing serving as a support sleeve is arranged between the hand wheel seat 20 and the first driving shaft 18, a spring seat 17 is arranged at the right end of the hand wheel seat 20, sleeved on the first driving shaft 18 and fixedly connected with the hand wheel seat 20, a first tooth-shaped sleeve 16 and a second tooth-shaped sleeve 14 are sequentially sleeved on the first driving shaft 18 from left to right, the left end of the first tooth-shaped sleeve 16 extends into the spring seat 17, a spring 15 is sleeved outside the first tooth-shaped sleeve 16 and the second tooth-shaped sleeve 14, the left end of a spring 15 is contacted with a spring seat 17, a hand wheel 9 is sleeved on and fixedly connected with a second toothed sleeve 14 at the end of a first driving shaft 18, the left end of the hand wheel 9 is contacted with the right end of the spring 15, a driven shaft 12 is arranged on the side surface of a speed reducer 11 and below a traction assembly, the axis of the driven shaft 12 is vertical to the axis of the first driving shaft 18, a driven bevel gear 21 is arranged in a shell 7 and sleeved on and fixedly connected with the driven shaft 12, a driving bevel gear 22 is meshed with the driven bevel gear 21, a second driving shaft 23 is arranged in the shell 7 and below the driven shaft 12, the axis of the second driving shaft 23 is coaxial with the axis of the driven shaft 12, the second driving shaft 23 is fixedly connected with the shell 7 through a rolling bearing serving as a support sleeve, one end of the second driving shaft 23 extends into the shell 7 and is fixedly connected with the driven shaft 12, a motor seat 19 is arranged below the shell 7 and sleeved on and fixedly connected with the second driving shaft 23, the speed reducing motor 13 is arranged on the motor base 19 and fixedly connected, and a power shaft of the speed reducing motor 13 is fixedly connected with the second driving shaft 23 to transmit power.
The drawing assembly selects a first drawing part.
First tractive part includes cantilever 5, single groove rope sheave 10, follows driving wheel 1, first tension wheel 4 and cable wire 3, 5 lower extremes of cantilever and actuating mechanism's casing 7 link firmly, the top is located the top of explosion-proof ball, single groove rope sheave 10 is arranged in casing 7, cup joints on the power output shaft 24 of speed reducer 11 and links firmly, follow driving wheel 1 arrange the end of cantilever 5 in, and link firmly with cantilever 5 through the antifriction bearing as supporting the cover, first tension wheel 4 arranges cantilever 5 in the centre, and links firmly with cantilever 5 through the antifriction bearing as supporting the cover, one the one end of cable wire 3 is articulated with single groove rope sheave 10, the other end winding of cable wire 3 is on single groove rope sheave 10, and walks around first tension wheel 4 and from driving wheel 1 and be located the spheroid 2 of explosion-proof ball upper end articulated.
The present embodiment is manufactured by using the prior art, and the speed reducer 11 and the speed reduction motor 13 are all commercially available products of the prior art.
The working process of the embodiment is as follows: when the explosion-proof ball is opened, the speed reducing motor 13 transmits power to the traction assembly through the transmission assembly 8 and the speed reducer, the single-groove rope pulley 10 of the traction assembly rotates to release the steel cable 3, the ball body 2 of the explosion-proof ball moves downwards, and under the action of the dead weight of the ball body 2 and the pulling force of the steel cable 3, the ball body 2 of the explosion-proof ball overturns, so that the explosion-proof ball is opened. When the explosion-proof ball is closed, the speed reducing motor 13 transmits power to the traction assembly through the transmission assembly 8 and the speed reducer, the single-groove rope pulley 10 of the traction assembly reversely rotates to withdraw the steel cable 3, and under the action of the tension of the steel cable 3, the ball body 2 of the explosion-proof ball reversely turns over, so that the explosion-proof ball is closed. When the explosion-proof ball is opened, the main acting force is the self weight of the ball body 2 of the explosion-proof ball, and the pulling force of the steel cable 3 is used as the counterforce, so that the opening action speed of the ball body 2 can be reduced, and the impact force generated by the excessively high opening action speed of the ball body 2 under the action of gravity is prevented; when the explosion-proof ball is closed, the main acting force is the pulling force of the steel cable 3, the self weight of the ball body 2 of the explosion-proof ball is used as the reacting force, and the ball body 2 and the ball cover can be slowly closed.
Referring to fig. 7 to 12, embodiment 2 is substantially the same as embodiment 1 except that a second pulling member is used as the pulling member.
The second traction component comprises a double-groove rope pulley 28, a second tension pulley 27, a first steel cable 25 and a second steel cable 26, the double-groove rope pulley 28 is arranged in the shell 7, sleeved on the power output shaft 24 of the speed reducer 11 and fixedly connected, the second tension pulley 27 is arranged below the shell 7 of the driving mechanism and fixedly connected, one end of the first steel cable 25 is hinged with a first groove of the double-groove rope pulley 28, the other end of the first steel cable 25 is wound on the double-groove rope pulley 28 and hinged with the ball 2 at the upper end of the explosion-proof ball by bypassing the second tension pulley 27, one end of the second steel cable 26 is hinged with a second groove of the double-groove rope pulley 28, the other end of the second steel cable 26 is wound on the double-groove rope pulley 28, the end of the second steel cable is hinged with the opening of the ball 2 at the upper end of the explosion-proof ball, the winding directions of the first steel cable 25 and the second steel cable 26 at the double-groove rope pulley 28 are opposite, so that the first steel cable 25 and the second steel cable 26 are wound together and released when the double-groove rope pulley 28 rotates, thereby achieving the purpose of opening or closing the explosion-proof ball.
The working process of the embodiment is as follows: when the explosion-proof ball is opened, the speed reducing motor 13 transmits power to the traction assembly through the transmission assembly 8 and the speed reducer, the double-groove rope pulley 28 of the traction assembly rotates, the second steel cable 26 is released while the first steel cable 25 is tightened, the ball body 2 of the explosion-proof ball moves downwards, and under the combined action of the dead weight of the ball body 2, the tension of the first steel cable 25 and the reverse tension of the second steel cable 26, the ball body 2 of the explosion-proof ball overturns, so that the explosion-proof ball is opened. When the explosion-proof ball is closed, the speed reducing motor 13 transmits power to the drawing assembly through the transmission assembly 8 and the speed reducer, the double-groove rope pulley 28 of the drawing assembly rotates reversely, the first steel cable 25 is released while the second steel cable 26 is tightened, and under the combined action of the tension of the second steel cable 26 and the reverse tension of the first steel cable 25, the ball body 2 of the explosion-proof ball reversely turns, so that the explosion-proof ball is closed. When the explosion-proof ball is opened, the main acting force is the self weight of the ball body 2 of the explosion-proof ball and the pulling force of the first steel cable 25, and the pulling force of the second steel cable 26 is used as a reaction force, so that the opening action speed of the ball body 2 can be reduced, and the impact force generated by the excessively high opening action speed of the ball body 2 under the action of gravity and the pulling force of the first steel cable 25 is prevented; when the explosion-proof ball is closed, the main acting force is the pulling force of the second steel cable 26, the self weight of the ball body 2 of the explosion-proof ball and the pulling force of the first steel cable 25 are used as the reaction force, and the ball body 2 and the ball cover can be closed slowly.
The embodiment is not limited to the present specific embodiment, and it will be apparent to those skilled in the art that simple duplication and modification without inventive work are within the scope of the present embodiment as claimed in the claims.
Claims (4)
1. The utility model provides a actuating mechanism for explosion-proof ball of steel cable formula switch, it includes speed reducer and tractive subassembly, characterized by: the explosion-proof ball traction device comprises a traction assembly, a frame, a shell and a transmission assembly, wherein the shell is fixedly connected to the frame of the explosion-proof ball, the transmission assembly is arranged in the shell and fixedly connected, the power input end of the transmission assembly is fixedly connected with a power source, a speed reducer is arranged outside the shell or in the shell and fixedly connected, a power input shaft of the speed reducer is fixedly connected with the power output end of the transmission assembly, a single-groove rope pulley or a double-groove rope pulley of the traction assembly is arranged in the shell, sleeved on a power output shaft of the speed reducer and fixedly connected, one end of a steel cable of the traction assembly is hinged with the rope pulley, the other end of the steel cable of the traction assembly is wound on the single-groove rope pulley or the double-groove rope pulley, and the end of the steel cable is hinged with a ball body or a ball cover positioned at the upper end of the explosion-proof ball;
the transmission assembly comprises a first driving shaft, a driving bevel gear, a driven shaft, a driven bevel gear and a second driving shaft, the first driving shaft is arranged on the side surface of the speed reducer and below the traction assembly, one end of the first driving shaft extends out of the shell and is fixedly connected with the shell through a rolling bearing serving as a support sleeve, the driving bevel gear is arranged in the shell, sleeved on the first driving shaft and fixedly connected, the hand wheel is sleeved on and fixedly connected with the end of the first driving shaft extending out of the shell, the driven shaft is arranged on the side surface of the speed reducer and below the traction assembly, the axis of the driven shaft is vertical to the axis of the first driving shaft, the driven bevel gear is arranged in the shell, sleeved on the driven shaft and fixedly connected, the driving bevel gear is meshed with the driven bevel gear, the second driving shaft is arranged in the shell and below the driven shaft, and the axis of the second driving shaft is coaxial with the axis of the driven shaft, the second driving shaft is fixedly connected with the shell through a rolling bearing serving as a supporting sleeve, one end of the second driving shaft extends into the shell and is fixedly connected with the driven shaft, and the other end of the second driving shaft extends out of the shell and is fixedly connected with a power input shaft of the speed reduction motor;
the drawing assembly consists of a first drawing part and a second drawing part, and when the drawing assembly is connected with the explosion-proof ball, one of the first drawing part and the second drawing part is selected;
the first traction part comprises a cantilever, a single-groove rope pulley, a driven pulley, a first tension pulley and a steel cable, the lower end of the cantilever is fixedly connected with a shell of the driving mechanism, the top end of the cantilever is positioned above the explosion-proof ball, the single-groove rope pulley is arranged in the shell, sleeved on a power output shaft of the speed reducer and fixedly connected, the driven pulley is arranged at the end of the cantilever and fixedly connected with the cantilever through a rolling bearing serving as a support sleeve, the first tension pulley is arranged in the middle of the cantilever and fixedly connected with the cantilever through the rolling bearing serving as the support sleeve, one end of the steel cable is hinged with the single-groove rope pulley, and the other end of the steel cable is wound on the single-groove rope pulley, bypasses the first tension pulley and is hinged with a ball body or a ball cover positioned at the upper end of the explosion-proof ball;
the second traction component comprises a double-groove rope pulley, a second tension pulley, a first steel cable and a second steel cable, the double-groove rope pulley is arranged in the shell, sleeved on a power output shaft of the speed reducer and fixedly connected, the second tension pulley is arranged below the shell of the driving mechanism and fixedly connected, one end of the first steel cable is hinged with the first groove of the double-groove rope pulley, the other end of the first steel cable is wound on the double-groove rope pulley and is hinged with a ball body or a ball cover positioned at the upper end of the explosion-proof ball by bypassing the second tension pulley, one end of the second steel cable is hinged with the second groove of the double-groove rope pulley, the other end of the second steel cable is wound on the double-groove rope pulley, the end head of the second steel cable is hinged with the opening of the ball body or the ball cover at the upper end of the explosion-proof ball, the winding directions of the first steel cable and the second steel cable on the double-groove rope pulley are opposite, the first steel cable and the second steel cable are retracted and released when the double-groove rope wheel rotates, so that the purpose of opening or closing the explosion-proof ball is achieved.
2. The driving mechanism for the explosion-proof ball of the steel cable type switch as claimed in claim 1, wherein: the power source is one or the combination of a speed reducing motor and a hand wheel.
3. The driving mechanism for the explosion-proof ball of the steel cable type switch as claimed in claim 2, wherein: the speed reducing motor is a direct current speed reducing motor.
4. The driving mechanism for the explosion-proof ball of the steel cable type switch as claimed in claim 1, wherein: the speed reducer is a worm gear speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122457307.2U CN216593032U (en) | 2021-10-13 | 2021-10-13 | Driving mechanism for steel cable type switch explosion-proof ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122457307.2U CN216593032U (en) | 2021-10-13 | 2021-10-13 | Driving mechanism for steel cable type switch explosion-proof ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216593032U true CN216593032U (en) | 2022-05-24 |
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ID=81639160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122457307.2U Active CN216593032U (en) | 2021-10-13 | 2021-10-13 | Driving mechanism for steel cable type switch explosion-proof ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216593032U (en) |
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2021
- 2021-10-13 CN CN202122457307.2U patent/CN216593032U/en active Active
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