CN112682390A - Electric pneumatic driving unit - Google Patents

Electric pneumatic driving unit Download PDF

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Publication number
CN112682390A
CN112682390A CN202011588170.8A CN202011588170A CN112682390A CN 112682390 A CN112682390 A CN 112682390A CN 202011588170 A CN202011588170 A CN 202011588170A CN 112682390 A CN112682390 A CN 112682390A
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CN
China
Prior art keywords
piston
cylinder body
cylinder
valve flap
piston bowl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011588170.8A
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Chinese (zh)
Inventor
荆韬
原伟
赵元鑫
蒋海波
闫萌
彭小国
尹磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaozuo Hongqiao Brake Ltd By Share Ltd
Original Assignee
Jiaozuo Hongqiao Brake Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiaozuo Hongqiao Brake Ltd By Share Ltd filed Critical Jiaozuo Hongqiao Brake Ltd By Share Ltd
Priority to CN202011588170.8A priority Critical patent/CN112682390A/en
Publication of CN112682390A publication Critical patent/CN112682390A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the technical field of pushers, and particularly relates to an electro-pneumatic pusher; the device comprises a cylinder body, wherein a control box is arranged on the cylinder body, a cylinder is arranged in the cylinder body, and a piston is arranged in the cylinder; the cylinder body is internally provided with an eccentric wheel, the top of the eccentric wheel is connected with a rotary table, the rotary table is provided with a first piston bowl and a second piston bowl, the first piston bowl and the second piston bowl are both fixedly connected with the inside of the cylinder body through a valve flap plate, the lower part of the first piston bowl is provided with a second valve flap, the lower part of the second piston bowl is provided with a fourth valve flap, the valve flap plate at the top of the first piston bowl is provided with a first valve flap, and the valve flap plate at the top of the second piston bowl is provided with a third valve flap; a motor is arranged in the lower section of the cylinder body, and an output shaft of the motor is connected with the bottom of the eccentric wheel; a pressure switch and an electromagnetic on-off valve are arranged in the control box; the invention has reasonable structure and convenient installation and use, overcomes the defects of the prior art and reduces the production cost.

Description

Electric pneumatic driving unit
Technical Field
The invention belongs to the technical field of pushers, and particularly relates to an electric pneumatic pusher.
Background
The pusher can be widely applied to driving devices of various drum brakes and disc brakes, and can also be applied to driving execution of various industrial valves and gates which need directional swinging and clamping devices, the existing pusher is mostly an electric hydraulic pusher which uses hydraulic oil as a power medium, so that the oil leakage risk exists, long-time electrification maintenance is needed during working, energy is wasted, the heating is serious, the installation form is single, the requirement on the installation form is higher, meanwhile, the hydraulic oil needs to be replaced regularly, and the maintenance cost is higher; therefore, it would be desirable to provide an electro-pneumatic impeller that overcomes the above-mentioned disadvantages.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a novel electric pneumatic thruster which is reasonable in structure and convenient to install and use.
The purpose of the invention is realized as follows: an electric pneumatic pusher comprises a cylinder body, wherein a control box is arranged on the side surface of the cylinder body, a cylinder is arranged in the upper section of the cylinder body, a piston is arranged in the cylinder in a sliding manner, the piston is connected with a piston rod, the piston rod penetrates through the top wall of the cylinder body and is connected with a connector, and the piston rod is connected with the top wall of the cylinder body in a sliding fit manner; the inner part of the middle section of the cylinder body is provided with an eccentric wheel, the top of the eccentric wheel is rotatably connected with a rotary disc, the rotary disc is provided with a first piston bowl and a second piston bowl, the tops of the first piston bowl and the second piston bowl are fixedly connected with the inner part of the cylinder body through valve clack plates, the lower part of the first piston bowl is provided with a second valve clack, the lower part of the second piston bowl is provided with a fourth valve clack, the valve clack plate at the top of the first piston bowl is provided with a first valve clack, and the valve clack plate at the top of the second piston bowl is provided with a third valve clack; a motor is arranged in the lower section of the cylinder body, and an output shaft of the motor is connected with the bottom of the eccentric wheel; an air inlet is formed in the side wall of the middle section of the cylinder body, and a connecting seat plate is arranged at the bottom of the cylinder body; and a pressure switch and an electromagnetic on-off valve are arranged in the control box.
The wall plate at the top of the cylinder body is provided with a silencer, and the silencer penetrates through the wall plate at the top of the cylinder body and is in contact with the cylinder.
And a second sealing sleeve is arranged on the side surface of the piston in sliding fit with the inner wall of the cylinder.
And a first sealing sleeve is arranged at the sliding fit joint of the top wall of the cylinder body and the piston rod.
The connecting head is provided with a first connecting hole, and the connecting seat plate is provided with a second connecting hole.
And a filter plug is arranged in the air inlet.
The invention has the beneficial effects that: according to the electric pneumatic pusher, after a power supply is switched on, the electromagnetic on-off valve is electrified and attracted, a closed cavity is formed in a cylinder body, meanwhile, the motor is started to drive the eccentric wheel to drive the rotary table to rotate, piston bowls on two sides of the rotary table are compressed and released respectively, and the processes of sucking air from the outside and compressing the piston bowls in the air cylinder are completed; when the first piston bowl moves downwards under the driving of the turntable, the volume of the piston bowl is increased, the pressure in the piston bowl is lower than the external atmospheric pressure, and the outside air enters the first piston bowl through the air inlet and the second valve flap; the first piston bowl is compressed along with the rotation of the rotary table, the volume of the first piston bowl is reduced, the internal air is compressed, when the pressure reaches a certain value, the first valve clack is jacked open, and the compressed air enters the lower part of the piston in the cylinder through a pipeline to push the piston to move upwards; when the gas pressure at the lower part of the piston reaches a certain value, the piston is pushed to move upwards; when the piston moves upwards to the limit, the internal air pressure continues to be boosted; when the pressure reaches a set value, the pressure switch disconnects the power supply of the motor, and the electromagnetic on-off valve continues to maintain the pressure; when the power supply is cut off, the electromagnetic on-off valve is disconnected, the piston is compressed downwards under the action of external force, gas is discharged out of the cylinder body through the electromagnetic on-off valve, and at the moment, the pressure switch is reset to complete one action cycle; the pneumatic power-driven hydraulic power machine replaces the traditional hydraulic power, and oil does not exist in the whole working process, so that the environmental pollution caused by oil leakage is completely avoided; the installation can be carried out at any inclination angle, the installation is convenient, and the air is taken as a medium, so that the electric leakage accident caused by the internal leakage of oil is avoided; the electric pneumatic thruster is reasonable in structure and convenient to install and use, overcomes the defects of the prior art, and reduces the production cost.
Drawings
Fig. 1 is a schematic cross-sectional view of an electro-pneumatic impeller of the present invention.
Fig. 2 is a front view of an electro-pneumatic thruster according to the present invention.
Fig. 3 is a left side view of the electro-pneumatic thruster of the present invention.
Fig. 4 is a schematic top view of an electro-pneumatic impeller of the present invention.
In the figure: 1. the device comprises a second connecting hole 2, a connecting seat plate 3, a cylinder body 4, a motor 5, an eccentric wheel 6, an air inlet 7, a filter plug 8, a second valve flap 9, a first piston bowl 10, a valve flap plate 11, a first valve flap 12, a second sealing sleeve 13, a piston 14, a cylinder 15, a first sealing sleeve 16, a first connecting hole 17, a connector 18, a silencer 19, a piston rod 20, a pressure switch 21, an electromagnetic on-off valve 22, a third valve flap 23, a second piston bowl 24, a fourth valve flap 25, a rotary disc 26 and a control box.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, an electro-pneumatic pusher comprises a cylinder 3, a control box 26 is arranged on the side surface of the cylinder 3, a cylinder 14 is arranged inside the upper section of the cylinder 3, a piston 13 is slidably arranged in the cylinder 14, the piston 13 is connected with a piston rod 19, the piston rod 19 passes through the top wall of the cylinder 3 and is connected with a connector 17, and the piston rod 19 is connected with the top wall of the cylinder 3 in a sliding fit manner; an eccentric wheel 5 is arranged in the middle section of the cylinder body 3, the top of the eccentric wheel 5 is rotatably connected with a rotary disc 25, a first piston bowl 9 and a second piston bowl 23 are arranged on the rotary disc 25, the tops of the first piston bowl 9 and the second piston bowl 23 are fixedly connected with the inside of the cylinder body 3 through a valve flap plate 10, a second valve flap 8 is arranged on the lower portion of the first piston bowl 9, a fourth valve flap 24 is arranged on the lower portion of the second piston bowl 23, a first valve flap 11 is arranged on the valve flap plate 10 on the top of the first piston bowl 9, and a third valve flap 22 is arranged on the valve flap plate 10 on the top of the second piston bowl 23; a motor 4 is arranged in the lower section of the cylinder body 3, and an output shaft of the motor 4 is connected with the bottom of the eccentric wheel 5; an air inlet 6 is formed in the side wall of the middle section of the cylinder body 3, and a connecting seat plate 2 is arranged at the bottom of the cylinder body 3; the control box 26 is provided with a pressure switch 20 and an electromagnetic on-off valve 21.
According to the electric pneumatic pusher, after a power supply is switched on, the electromagnetic on-off valve 21 is electrified and sucked, a closed cavity is formed in the cylinder body 3, meanwhile, the motor 4 is started to drive the eccentric wheel 5 to drive the rotary disc 25 to rotate, piston bowls on two sides of the rotary disc 25 are compressed and released respectively, and the processes of sucking air from the outside and compressing the piston bowls in the air cylinder 14 are completed; when the first piston bowl 9 moves downwards under the driving of the rotary disc 25, the volume of the piston bowl 1 is increased, the pressure in the piston bowl 1 is lower than the external atmospheric pressure, and the external air enters the first piston bowl 9 through the air inlet 6 and the second valve flap 8; when the pressure reaches a certain value, the first valve clack 11 is pushed open, and the compressed air enters the lower part of the piston 13 in the cylinder 14 through a pipeline to push the piston 13 to move upwards; when the gas pressure at the lower part of the piston 13 reaches a certain value, the piston 13 is pushed to move upwards; when the piston 13 moves up to the limit, the internal air pressure continues to be increased; when the pressure reaches a set value, the pressure switch 20 cuts off the power supply of the motor 4, and the electromagnetic on-off valve 21 continues to maintain the pressure; when the power supply is cut off, the electromagnetic on-off valve 21 is disconnected, the piston 13 is compressed downwards under the action of external force, gas is discharged out of the cylinder body through the electromagnetic on-off valve 21, and the pressure switch 20 is reset at the moment to complete one action cycle; the pneumatic power-driven hydraulic power machine replaces the traditional hydraulic power, and oil does not exist in the whole working process, so that the environmental pollution caused by oil leakage is completely avoided; the installation can be carried out at any inclination angle, the installation is convenient, and the air is taken as a medium, so that the electric leakage accident caused by the internal leakage of oil is avoided; the electric pneumatic thruster is reasonable in structure and convenient to install and use, overcomes the defects of the prior art, and reduces the production cost.
Example 2
As shown in fig. 1-4, an electro-pneumatic pusher comprises a cylinder 3, a control box 26 is arranged on the side surface of the cylinder 3, a cylinder 14 is arranged inside the upper section of the cylinder 3, a piston 13 is slidably arranged in the cylinder 14, the piston 13 is connected with a piston rod 19, the piston rod 19 passes through the top wall of the cylinder 3 and is connected with a connector 17, and the piston rod 19 is connected with the top wall of the cylinder 3 in a sliding fit manner; an eccentric wheel 5 is arranged in the middle section of the cylinder body 3, the top of the eccentric wheel 5 is rotatably connected with a rotary disc 25, a first piston bowl 9 and a second piston bowl 23 are arranged on the rotary disc 25, the tops of the first piston bowl 9 and the second piston bowl 23 are fixedly connected with the inside of the cylinder body 3 through a valve flap plate 10, a second valve flap 8 is arranged on the lower portion of the first piston bowl 9, a fourth valve flap 24 is arranged on the lower portion of the second piston bowl 23, a first valve flap 11 is arranged on the valve flap plate 10 on the top of the first piston bowl 9, and a third valve flap 22 is arranged on the valve flap plate 10 on the top of the second piston bowl 23; a motor 4 is arranged in the lower section of the cylinder body 3, and an output shaft of the motor 4 is connected with the bottom of the eccentric wheel 5; an air inlet 6 is formed in the side wall of the middle section of the cylinder body 3, and a connecting seat plate 2 is arranged at the bottom of the cylinder body 3; the control box 26 is provided with a pressure switch 20 and an electromagnetic on-off valve 21.
In order to achieve better effect, the wall plate at the top of the cylinder body 3 is provided with the silencer 18, and the silencer 18 penetrates through the wall plate at the top of the cylinder body 3 and is in contact with the cylinder 14, so that the noise generated by high-pressure gas during the working process of the invention can be effectively reduced, and the applicability of the invention is improved.
For better effect, the second sealing sleeve 12 is arranged on the side surface of the piston 13 in sliding fit with the inner wall of the cylinder 14, so that mutual flow of gas above and below the piston 13 is avoided, and long-term effective work of the invention is ensured.
For better effect, a first sealing sleeve 15 is arranged at the sliding fit connection part of the top wall of the cylinder body 3 and the piston rod 19, so that high-pressure gas on the upper part of the piston 13 is prevented from overflowing, and the working effectiveness of the invention is ensured.
For better effect, the connector 17 is provided with a first connecting hole 16, and the connecting seat plate 2 is provided with a second connecting hole 1, so that the connecting seat plate can be conveniently connected with external equipment through the two connecting holes, and is convenient and quick.
For better effect, be provided with in the air inlet 6 and filter stopper 7, avoid outside debris to get into in the cylinder body 3, cause adverse effect to each part in the cylinder body.
According to the electric pneumatic pusher, after a power supply is switched on, the electromagnetic on-off valve 21 is electrified and sucked, a closed cavity is formed in the cylinder body 3, meanwhile, the motor 4 is started to drive the eccentric wheel 5 to drive the rotary disc 25 to rotate, piston bowls on two sides of the rotary disc 25 are compressed and released respectively, and the processes of sucking air from the outside and compressing the piston bowls in the air cylinder 14 are completed; when the first piston bowl 9 moves downwards under the driving of the rotary disc 25, the volume of the piston bowl 1 is increased, the pressure in the piston bowl 1 is lower than the external atmospheric pressure, and the external air enters the first piston bowl 9 through the air inlet 6 and the second valve flap 8; when the pressure reaches a certain value, the first valve clack 11 is pushed open, and the compressed air enters the lower part of the piston 13 in the cylinder 14 through a pipeline to push the piston 13 to move upwards; when the gas pressure at the lower part of the piston 13 reaches a certain value, the piston 13 is pushed to move upwards; when the piston 13 moves up to the limit, the internal air pressure continues to be increased; when the pressure reaches a set value, the pressure switch 20 cuts off the power supply of the motor 4, and the electromagnetic on-off valve 21 continues to maintain the pressure; when the power supply is cut off, the electromagnetic on-off valve 21 is disconnected, the piston 13 is compressed downwards under the action of external force, gas is discharged out of the cylinder body through the electromagnetic on-off valve 21, and the pressure switch 20 is reset at the moment to complete one action cycle; the pneumatic power-driven hydraulic power machine replaces the traditional hydraulic power, and oil does not exist in the whole working process, so that the environmental pollution caused by oil leakage is completely avoided; the installation can be carried out at any inclination angle, the installation is convenient, and the air is taken as a medium, so that the electric leakage accident caused by the internal leakage of oil is avoided; the electric pneumatic thruster is reasonable in structure and convenient to install and use, overcomes the defects of the prior art, and reduces the production cost.

Claims (6)

1. An electro-pneumatic impeller comprising a cylinder (3), characterized in that: a control box (26) is arranged on the side face of the cylinder body (3), a cylinder (14) is arranged inside the upper section of the cylinder body (3), a piston (13) is arranged in the cylinder (14) in a sliding manner, the piston (13) is connected with a piston rod (19), the piston rod (19) penetrates through the top wall of the cylinder body (3) and is connected with a connector (17), and the piston rod (19) is connected with the top wall of the cylinder body (3) in a sliding fit manner; the inner part of the middle section of the cylinder body (3) is provided with an eccentric wheel (5), the top of the eccentric wheel (5) is rotatably connected with a rotary disc (25), the rotary disc (25) is provided with a first piston bowl (9) and a second piston bowl (23), the tops of the first piston bowl (9) and the second piston bowl (23) are fixedly connected with the inner part of the cylinder body (3) through a valve flap plate (10), the lower part of the first piston bowl (9) is provided with a second valve flap (8), the lower part of the second piston bowl (23) is provided with a fourth valve flap (24), the valve flap plate (10) at the top of the first piston bowl (9) is provided with a first valve flap (11), and the valve flap plate (10) at the top of the second piston bowl (23) is provided with a third valve flap (22); a motor (4) is arranged in the lower section of the cylinder body (3), and an output shaft of the motor (4) is connected with the bottom of the eccentric wheel (5); an air inlet (6) is formed in the side wall of the middle section of the cylinder body (3), and a connecting seat plate (2) is arranged at the bottom of the cylinder body (3); and a pressure switch (20) and an electromagnetic on-off valve (21) are arranged in the control box (26).
2. An electro-pneumatic impeller as claimed in claim 1, wherein: a silencer (18) is arranged on a wall plate at the top of the cylinder body (3), and the silencer (18) penetrates through the wall plate at the top of the cylinder body (3) and is in contact with the cylinder (14).
3. An electro-pneumatic impeller as claimed in claim 1, wherein: and a second sealing sleeve (12) is arranged on the side surface of the piston (13) in sliding fit with the inner wall of the cylinder (14).
4. An electro-pneumatic impeller as claimed in claim 1, wherein: and a first sealing sleeve (15) is arranged at the sliding fit connection part of the top wall of the cylinder body (3) and the piston rod (19).
5. An electro-pneumatic impeller as claimed in claim 1, wherein: the connector (17) is provided with a first connecting hole (16), and the connecting seat plate (2) is provided with a second connecting hole (1).
6. An electro-pneumatic impeller as claimed in claim 1, wherein: and a filter plug (7) is arranged in the air inlet (6).
CN202011588170.8A 2020-12-29 2020-12-29 Electric pneumatic driving unit Pending CN112682390A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011588170.8A CN112682390A (en) 2020-12-29 2020-12-29 Electric pneumatic driving unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011588170.8A CN112682390A (en) 2020-12-29 2020-12-29 Electric pneumatic driving unit

Publications (1)

Publication Number Publication Date
CN112682390A true CN112682390A (en) 2021-04-20

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ID=75454644

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CN202011588170.8A Pending CN112682390A (en) 2020-12-29 2020-12-29 Electric pneumatic driving unit

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CN (1) CN112682390A (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773222A (en) * 1984-05-18 1988-09-27 Nippon Air Brake Co., Ltd. Pneumatic brake booster with booster-cylinder-end retained relay valve
EP0743452A1 (en) * 1995-05-15 1996-11-20 Pirelli Tyres Limited Diaphragm pump
CN201212499Y (en) * 2008-06-26 2009-03-25 岳双喜 Cylinder burst proof and anti-leakage electrohydraulic thruster
CN201433956Y (en) * 2009-06-12 2010-03-31 陆显明 Environment-friendly vertical pneumatic pump
CN202418096U (en) * 2011-12-08 2012-09-05 焦作市制动器有限公司 Low-temperature constant-state pusher
CN102817819A (en) * 2011-06-10 2012-12-12 德昌电机(深圳)有限公司 Miniature air pump
CN204226752U (en) * 2014-10-11 2015-03-25 上海盛唐阀门科技有限公司 Pneumatic safety check
CN105370550A (en) * 2014-08-15 2016-03-02 应研精工株式会社 diaphragm pump integrally including quick discharge valve unit
CN105889168A (en) * 2014-11-27 2016-08-24 王华裕 Energy-saving type pressurization rotating cylinder
CN206035940U (en) * 2016-08-31 2017-03-22 嘉善海力达工具有限公司 Cover jar formula gas motor
CN107002492A (en) * 2014-10-24 2017-08-01 威尔顿泵业工程公司 Air motor
CN107387493A (en) * 2017-07-14 2017-11-24 太仓优捷特机械有限公司 A kind of dual pneumatic cylinder with buffering cavity
CN108386347A (en) * 2017-02-03 2018-08-10 应研精工株式会社 Pump with motor
CN109139438A (en) * 2018-10-13 2019-01-04 厦门科际精密器材有限公司 A kind of diaphragm pump
CN109185108A (en) * 2018-10-13 2019-01-11 厦门科际精密器材有限公司 A kind of diaphragm air pump motor and its cylinder block composite structure
CN109404266A (en) * 2018-11-10 2019-03-01 厦门科际精密器材有限公司 A kind of diaphragm pump of Quick air-discharge

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773222A (en) * 1984-05-18 1988-09-27 Nippon Air Brake Co., Ltd. Pneumatic brake booster with booster-cylinder-end retained relay valve
EP0743452A1 (en) * 1995-05-15 1996-11-20 Pirelli Tyres Limited Diaphragm pump
DE69616648D1 (en) * 1995-05-15 2001-12-13 Ctex Seat Comfort Ltd Diaphragm pump
CN201212499Y (en) * 2008-06-26 2009-03-25 岳双喜 Cylinder burst proof and anti-leakage electrohydraulic thruster
CN201433956Y (en) * 2009-06-12 2010-03-31 陆显明 Environment-friendly vertical pneumatic pump
CN102817819A (en) * 2011-06-10 2012-12-12 德昌电机(深圳)有限公司 Miniature air pump
CN202418096U (en) * 2011-12-08 2012-09-05 焦作市制动器有限公司 Low-temperature constant-state pusher
CN105370550A (en) * 2014-08-15 2016-03-02 应研精工株式会社 diaphragm pump integrally including quick discharge valve unit
CN204226752U (en) * 2014-10-11 2015-03-25 上海盛唐阀门科技有限公司 Pneumatic safety check
CN107002492A (en) * 2014-10-24 2017-08-01 威尔顿泵业工程公司 Air motor
CN105889168A (en) * 2014-11-27 2016-08-24 王华裕 Energy-saving type pressurization rotating cylinder
CN206035940U (en) * 2016-08-31 2017-03-22 嘉善海力达工具有限公司 Cover jar formula gas motor
CN108386347A (en) * 2017-02-03 2018-08-10 应研精工株式会社 Pump with motor
CN107387493A (en) * 2017-07-14 2017-11-24 太仓优捷特机械有限公司 A kind of dual pneumatic cylinder with buffering cavity
CN109139438A (en) * 2018-10-13 2019-01-04 厦门科际精密器材有限公司 A kind of diaphragm pump
CN109185108A (en) * 2018-10-13 2019-01-11 厦门科际精密器材有限公司 A kind of diaphragm air pump motor and its cylinder block composite structure
CN109404266A (en) * 2018-11-10 2019-03-01 厦门科际精密器材有限公司 A kind of diaphragm pump of Quick air-discharge

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