CN112718266A - Automatic realize centrifuge device of dynamic balance regulation - Google Patents
Automatic realize centrifuge device of dynamic balance regulation Download PDFInfo
- Publication number
- CN112718266A CN112718266A CN202011476324.4A CN202011476324A CN112718266A CN 112718266 A CN112718266 A CN 112718266A CN 202011476324 A CN202011476324 A CN 202011476324A CN 112718266 A CN112718266 A CN 112718266A
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- centrifugal
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- dynamic balance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/14—Balancing rotary bowls ; Schrappers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/14—Balancing rotary bowls ; Schrappers
- B04B9/146—Unbalance detection devices
Abstract
The invention discloses a centrifugal machine device capable of automatically realizing dynamic balance adjustment, and belongs to the field of centrifugal machines in the inertial technology. The invention comprises a main rotating shaft mechanism, a supporting arm mechanism, a dynamic balancing device, a pull rod, a sliding mechanism and a precision end. The supporting arm mechanism is arranged on the main rotating shaft mechanism; the sliding mechanism is arranged on the supporting arm mechanism and can slide along the axial direction of the pull rod; the centrifugal part is fixedly arranged on the sliding mechanism, the acting cylinder body of the dynamic balancing device is fixedly arranged on the main rotating shaft mechanism, and the piston rod of the acting cylinder is connected with the pull rod; the pull rod is rigidly connected with the precision end; the precise end is rigidly connected with a sliding mechanism. When the main rotating shaft mechanism rotates, the centrifugal part of the dynamic balance device adjusts the pulling force of the acting cylinder according to the centrifugal force applied to the centrifugal part, and pulls the pull rod, so that the displacement generated in the radial direction of rotation when the precise end is applied to the centrifugal force is compensated, and the rotating radius of the precise end is kept unchanged.
Description
Technical Field
The invention relates to the technical field of centrifuges, in particular to a centrifuge device which can realize automatic dynamic balance adjustment through a force multiplying cylinder so as to ensure that the rotating radius of a precise end is not changed.
Background
The dynamic balance of the traditional centrifugal machine generally adopts a method of adding a balance weight at the other end of a centrifugal cabin, the adjustment mode needs to be carried out according to the mass of a precision end after the centrifugal machine is stopped, the adjustment is generally completed manually, time and labor are wasted, and continuous real-time adjustment and dynamic balance realization in the rotating process cannot be realized.
Disclosure of Invention
In order to solve the problem that most centrifuges cannot continuously adjust in real time and realize dynamic balance in the rotating process, the invention discloses a centrifuge device capable of automatically realizing dynamic balance adjustment, which can automatically adjust the dynamic balance in the rotating process and compensate the deformation in the rotating radial direction caused by centrifugal force, thereby compensating the error value of a precision end, namely automatically realizing the dynamic balance adjustment of the centrifuge device.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a centrifugal machine device capable of automatically realizing dynamic balance adjustment.
The supporting arm mechanism is fixedly arranged on the main rotating shaft mechanism; the sliding mechanism is arranged on the supporting arm mechanism and can slide along the axial direction of the pull rod; the centrifugal part of the dynamic balance device is fixedly arranged on the sliding mechanism, the acting cylinder body of the dynamic balance device is fixedly arranged on the main rotating shaft mechanism, and the acting cylinder piston rod is connected with the pull rod; the pull rod is rigidly connected with the precision end; the precise end is rigidly connected with a sliding mechanism.
Furthermore, the dynamic balance device comprises a pressure regulator, an acting cylinder body, an acting cylinder piston rod, a push rod cylinder body, a centrifugal cylinder body, a mass block, a spring, a push rod cylinder piston rod and a boosting cylinder body. The spring side cylinder chamber of the centrifugal cylinder body is communicated with the atmosphere, the spring-free side cylinder chamber is connected with the rodless side cylinder chamber of the push rod cylinder body, and the mass block and the centrifugal cylinder body are in sliding seal. The rod side cylinder chamber of the push rod cylinder body is communicated with the atmosphere, a piston rod of the push rod cylinder is inserted into the boosting cylinder body through a through hole on the boosting cylinder body, and the push rod cylinder body and the boosting cylinder body are relatively fixed. The cylinder body of the booster cylinder is additionally provided with a hole which is connected with a pressure regulator, the pressure regulator is communicated with a cylinder chamber of the cylinder body of the action cylinder, the cylinder chamber of the cylinder body of the action cylinder, which is not communicated with the pressure regulator, is communicated with an oil tank, and a piston rod of the action cylinder is rigidly connected with a pull rod. When the pressure regulator is communicated with the cylinder chamber at the rod side of the cylinder body of the acting cylinder, the acting cylinder acts on the pull rod in a pulling manner; when the pressure regulator is communicated with the rodless side cylinder chamber of the cylinder body of the acting cylinder, the acting cylinder acts on the pull rod in a thrust manner, and the pull rod can adopt a rod piece with a U-shaped structure at the end part. Wherein, the centrifugal cylinder body and the push rod cylinder body are filled with gas, and the boosting cylinder body and the action cylinder body are filled with liquid. The pressure regulator, the push rod cylinder body, the centrifugal cylinder body, the mass block, the spring, the push rod cylinder piston rod and the boosting cylinder body are collectively called a centrifugal part.
Further, when a centrifugal cylinder in the dynamic balance device is subjected to centrifugal force, a sensor detects the change delta P of gas pressure in a spring-free side cylinder chamber of a centrifugal cylinder body and a rod-free side cylinder chamber of a push rod cylinder body; the controller adjusts the pressure regulator according to the delta P so as to control the pressure F of the cylinder chamber on the rod side of the cylinder body of the acting cylinder, and the relation between the delta P and the F is obtained by experimental analysis by combining with the actual situation.
Furthermore, the connection mode of the supporting arm mechanism and the main rotating shaft mechanism, and the sliding mechanism and the precision end can be blind rivet connection, screw connection, riveting, clamping hook connection, hinge connection, welding, gluing, expansion joint or seam seaming connection.
Further, the relative motion mode of the sliding mechanism and the supporting arm mechanism is a sliding motion pair or a rolling motion pair.
Further, the pull rod is one or more solid or hollow cylinders or cylinders with polygonal sections or flexible zippers or rod pieces with U-shaped end structures.
Further, the pressure regulator communicates with the rod-side cylinder chamber or the rodless-side cylinder chamber of the cylinder block.
Further, the pressure regulator in the dynamic balancing device may be a proportional relief valve or a proportional pressure reducing valve or a hydraulic pump.
Furthermore, the centrifugal cylinder body and the push rod cylinder body in the dynamic balance device, the reinforcement cylinder body and the pressure regulator are communicated with the action cylinder body in a flexible pipeline or a rigid pipeline, and the pipeline is a steel pipe or a copper pipe or a nylon pipe or a plastic pipe or a rubber pipe.
Advantageous effects
1. The centrifugal device for automatically realizing dynamic balance adjustment disclosed by the invention can realize the balance between the pulling force of the pull rod on the precise end and the centrifugal force borne by the precise end by utilizing the centrifugal action of the centrifugal cylinder, the boosting action of the boosting cylinder and the real-time control on the pressure regulator, thereby compensating the error caused by the change of the rotating radius of the precise end.
Drawings
Fig. 1 is a schematic diagram of a centrifugal apparatus for automatically implementing dynamic balance adjustment according to the present invention.
Fig. 2 is a schematic view of a dynamic balance device of a centrifugal apparatus for automatically realizing dynamic balance adjustment disclosed in embodiment 1.
Fig. 3 is a schematic view of a dynamic balance device of a centrifugal apparatus for automatically realizing dynamic balance adjustment disclosed in embodiment 2.
In the figure: the device comprises a main rotating shaft mechanism 1, a supporting arm mechanism 2, a dynamic balance device 3, a pull rod 4, a sliding mechanism 5, a precision end 6, a pressure regulator 7, an action cylinder body 8, an action cylinder piston rod 9, a push rod cylinder body 10, a centrifugal cylinder body 11, a mass block 12, a spring 13, a push rod cylinder piston rod 14 and a booster cylinder body 15.
Detailed Description
For a better understanding of the objects and advantages of the present invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1:
referring to fig. 1 and 2, the centrifugal apparatus for automatically implementing dynamic balance adjustment disclosed in this embodiment includes an air flotation main rotating shaft 1, a truss mechanism 2, a dynamic balance apparatus 3, a cylindrical pull rod 4, a sliding mechanism 5, and a centrifugal machine chamber 6. The air floatation mechanism is characterized in that a truss mechanism 2 is fixedly connected to an air floatation main rotating shaft 1 through screws; the sliding mechanism 5 is arranged on the truss mechanism 2 through a slide block guide rail and can slide along the axial direction of the pull rod; the centrifugal part of the dynamic balance device 3 is fixedly arranged on the sliding mechanism 5, the acting cylinder body 8 of the dynamic balance device 3 is fixedly arranged on the air floatation main rotating shaft 1, and the acting cylinder piston rod 9 is connected with the pull rod 4; the pull rod 4 is rigidly connected with the centrifuge cabin 6 through a screw; the centrifuge chamber 6 is rigidly connected with the sliding mechanism 5 through screws.
The dynamic balancing device 3 comprises a proportional overflow valve 7, an acting cylinder body 8, an acting cylinder piston rod 9, a push rod cylinder body 10, a centrifugal cylinder body 11, a mass block 12, a spring 13, a push rod cylinder piston rod 14 and a booster cylinder body 15. The dynamic balance device comprises two centrifugal cylinders, a spring side cylinder chamber of a centrifugal cylinder body 11 is communicated with the atmosphere, a spring-free side cylinder chamber is connected with a rodless side cylinder chamber of a push rod cylinder body 10, and a mass block 12 and the centrifugal cylinder body 11 are in sliding seal. The rod side cylinder chamber of the push rod cylinder body 10 is communicated with the atmosphere, a piston rod 14 of the push rod cylinder is inserted into the boosting cylinder body 15 through a through hole on the boosting cylinder body 15, and the push rod cylinder body 10 and the boosting cylinder body 15 are relatively fixed through bolt connection. The cylinder body 15 of the booster cylinder is additionally provided with a hole which is connected with a proportional overflow valve 7, the proportional overflow valve 7 is communicated with a cylinder chamber at the rod side of the cylinder body 8 of the action cylinder, the cylinder chamber at the non-rod side of the cylinder body 8 of the action cylinder is communicated with an oil tank, and a piston rod 9 of the action cylinder is rigidly connected with the pull rod 4 through a bolt. Wherein, the centrifugal cylinder 11 and the push rod cylinder 10 are filled with air, the boosting cylinder 15 and the acting cylinder 8 are filled with hydraulic liquid, and the cylinders are connected through rubber pipes.
When a centrifugal cylinder in the dynamic balance device 3 is subjected to centrifugal force, a sensor is used for detecting the change delta P of air pressure in a springless side cylinder chamber of a centrifugal cylinder body 11 and a rodless side cylinder chamber of a push rod cylinder body 10; the controller adjusts the pressure regulator 7 according to the delta P so as to control the pressure F of the cylinder chamber on the rod side of the acting cylinder body 8, and the mathematical relation between the delta P and the F is obtained by combining the actual situation through experimental analysis.
Example 2:
referring to fig. 1 and fig. 3, the centrifugal apparatus for automatically implementing dynamic balance adjustment disclosed in this embodiment includes an air flotation main rotating shaft 1, a truss mechanism 2, a dynamic balance apparatus 3, a rectangular parallelepiped pull rod 4 with a U-shaped end portion, a sliding mechanism 5, and a centrifugal machine cabin 6. The air floatation mechanism is characterized in that a truss mechanism 2 is fixedly connected to an air floatation main rotating shaft 1 through screws; the sliding mechanism 5 is arranged on the truss mechanism 2 through a slide block guide rail and can slide along the axial direction of the pull rod; the centrifugal part of the dynamic balance device 3 is fixedly arranged on the sliding mechanism 5, the acting cylinder body 8 of the dynamic balance device 3 is fixedly arranged on the air floatation main rotating shaft 1, and the acting cylinder piston rod 9 is connected with the pull rod 4; the pull rod 4 is rigidly connected with the centrifuge cabin 6 through a screw; the centrifuge chamber 6 is rigidly connected with the sliding mechanism 5 through screws.
The dynamic balancing device 3 comprises a proportional overflow valve 7, an acting cylinder body 8, an acting cylinder piston rod 9, a push rod cylinder body 10, a centrifugal cylinder body 11, a mass block 12, a spring 13, a push rod cylinder piston rod 14 and a booster cylinder body 15. The dynamic balance device comprises two centrifugal cylinders, a spring side cylinder chamber of a centrifugal cylinder body 11 is communicated with the atmosphere, a spring-free side cylinder chamber is connected with a rodless side cylinder chamber of a push rod cylinder body 10, and a mass block 12 and the centrifugal cylinder body 11 are in sliding seal. The rod side cylinder chamber of the push rod cylinder body 10 is communicated with the atmosphere, a piston rod 14 of the push rod cylinder is inserted into the boosting cylinder body 15 through a through hole on the boosting cylinder body 15, and the push rod cylinder body 10 and the boosting cylinder body 15 are relatively fixed through bolt connection. The cylinder body 15 of the booster cylinder is additionally provided with a hole connected with a proportional overflow valve 7, the proportional overflow valve 7 is communicated with a rodless side cylinder chamber of the cylinder body 8 of the action cylinder, the rod side cylinder chamber of the cylinder body 8 of the action cylinder is communicated with an oil tank, and a piston rod 9 of the action cylinder is rigidly connected with a U-shaped structure at the end part of the pull rod 4 through a bolt. Wherein, the centrifugal cylinder 11 and the push rod cylinder 10 are filled with air, the boosting cylinder 15 and the acting cylinder 8 are filled with hydraulic liquid, and the cylinders are connected through rubber pipes.
When a centrifugal cylinder in the dynamic balance device 3 is subjected to centrifugal force, a sensor is used for detecting the change delta P of air pressure in a springless side cylinder chamber of a centrifugal cylinder body 11 and a rodless side cylinder chamber of a push rod cylinder body 10; the controller adjusts the pressure regulator 7 according to the delta P so as to control the pressure F of the cylinder chamber at the rodless side of the cylinder body 8 of the acting cylinder, and the mathematical relation between the delta P and the F is obtained by combining the actual situation through experimental analysis.
Example 3:
referring to fig. 1, 2, and 3, the centrifugal apparatus for automatically implementing dynamic balance adjustment disclosed in this embodiment includes an air flotation main rotating shaft 1, a truss mechanism 2, a dynamic balance apparatus 3, a cylindrical pull rod 4, a sliding mechanism 5, a centrifugal machine cabin 6, and an anti-disturbance apparatus. The air floatation mechanism is characterized in that a truss mechanism 2 is fixedly connected to an air floatation main rotating shaft 1 through screws; the sliding mechanism 5 is arranged on the truss mechanism 2 through a slide block guide rail and can slide along the axial direction of the pull rod; the centrifugal part of the dynamic balance device 3 is fixedly arranged on the sliding mechanism 5, the acting cylinder body 8 of the dynamic balance device 3 is fixedly arranged on the air floatation main rotating shaft 1, and the acting cylinder piston rod 9 is connected with the pull rod 4; the pull rod 4 is rigidly connected with the centrifuge cabin 6 through a screw; the centrifuge chamber 6 is rigidly connected with the sliding mechanism 5 through screws.
The dynamic balancing device 3 comprises a proportional overflow valve 7, an acting cylinder body 8, an acting cylinder piston rod 9, a push rod cylinder body 10, a centrifugal cylinder body 11, a mass block 12, a spring 13, a push rod cylinder piston rod 14 and a booster cylinder body 15. The dynamic balance device comprises two centrifugal cylinders, a spring side cylinder chamber of a centrifugal cylinder body 11 is communicated with the atmosphere, a spring-free side cylinder chamber is connected with a rodless side cylinder chamber of a push rod cylinder body 10, and a mass block 12 and the centrifugal cylinder body 11 are in sliding seal. The rod side cylinder chamber of the push rod cylinder body 10 is communicated with the atmosphere, a piston rod 14 of the push rod cylinder is inserted into the boosting cylinder body 15 through a through hole on the boosting cylinder body 15, and the push rod cylinder body 10 and the boosting cylinder body 15 are relatively fixed through bolt connection. The cylinder body 15 of the booster cylinder is additionally provided with a hole which is connected with a proportional overflow valve 7, the proportional overflow valve 7 is communicated with a cylinder chamber at the rod side of the cylinder body 8 of the action cylinder, the cylinder chamber at the non-rod side of the cylinder body 8 of the action cylinder is communicated with an oil tank, and a piston rod 9 of the action cylinder is rigidly connected with the pull rod 4 through a bolt. Wherein, the centrifugal cylinder 11 and the push rod cylinder 10 are filled with air, the boosting cylinder 15 and the acting cylinder 8 are filled with hydraulic liquid, and the cylinders are connected through rubber pipes.
When a centrifugal cylinder in the dynamic balance device 3 is subjected to centrifugal force, a sensor is used for detecting the change delta P of air pressure in a springless side cylinder chamber of a centrifugal cylinder body 11 and a rodless side cylinder chamber of a push rod cylinder body 10; the controller adjusts the pressure regulator 7 according to the delta P so as to control the pressure F of the cylinder chamber on the rod side of the acting cylinder body 8, and the mathematical relation between the delta P and the F is obtained by combining the actual situation through experimental analysis.
The above detailed description is intended to illustrate the objects, aspects and advantages of the present invention, and it should be understood that the above detailed description is only exemplary of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides an automatic realize centrifugal separator device of dynamic balance regulation which characterized in that: comprises a main rotating shaft mechanism (1), a supporting arm mechanism (2), a dynamic balancing device (3), a pull rod (4), a sliding mechanism (5) and a precise end (6);
the supporting arm mechanism (2) is fixedly arranged on the main rotating shaft mechanism (1); the sliding mechanism (5) is arranged on the supporting arm mechanism (2) and can slide along the axial direction of the pull rod; the centrifugal part of the dynamic balance device (3) is fixedly arranged on the sliding mechanism (5), the acting cylinder body (8) of the dynamic balance device (3) is fixedly arranged on the main rotating shaft mechanism (1), and the acting cylinder piston rod (9) is connected with the pull rod (4); the pull rod (4) is rigidly connected with the precision end (6); the precision end (6) is rigidly connected with the sliding mechanism (5).
2. A centrifugal apparatus for automatically performing dynamic balance adjustment according to claim 1, wherein: the dynamic balancing device (3) comprises a pressure regulator (7), an acting cylinder body (8), an acting cylinder piston rod (9), a push rod cylinder body (10), a centrifugal cylinder body (11), a mass block (12), a spring (13), a push rod cylinder piston rod (14) and a boosting cylinder body (15); a spring side cylinder chamber of the centrifugal cylinder body (11) is communicated with the atmosphere, a spring-free side cylinder chamber is connected with a rodless side cylinder chamber of the push rod cylinder body (10), and a mass block (12) and the centrifugal cylinder body (11) are in sliding seal; a rod side cylinder chamber of the push rod cylinder body (10) is communicated with the atmosphere, a piston rod (14) of the push rod cylinder is inserted into the boosting cylinder body (15) through a through hole on the boosting cylinder body (15), and the push rod cylinder body (10) and the boosting cylinder body (15) are relatively fixed; the boosting cylinder body (15) is additionally provided with a hole which is connected with the pressure regulator (7), the pressure regulator (7) is communicated with a cylinder chamber of the action cylinder body (8), the cylinder chamber of the action cylinder body (8) which is not communicated with the pressure regulator is communicated with the oil tank, and a piston rod (9) of the action cylinder is rigidly connected with the pull rod (4); when the pressure regulator (7) is communicated with the cylinder chamber at the rod side of the cylinder body (8) of the acting cylinder, the acting cylinder acts on the pull rod in a pulling way; when the pressure regulator (7) is communicated with the rodless side cylinder chamber of the acting cylinder body (8), the acting cylinder has a thrust effect on the pull rod, and the pull rod can adopt a rod piece with a U-shaped structure at the end part; wherein, the centrifugal cylinder body (11) and the push rod cylinder body (10) are filled with gas, and the boosting cylinder body (15) and the acting cylinder body (8) are filled with liquid; the centrifugal part comprises a pressure regulator (7), a push rod cylinder body (10), a centrifugal cylinder body (11), a mass block (12), a spring (13), a push rod cylinder piston rod (14) and a boosting cylinder body (15).
3. A centrifugal apparatus for automatically performing dynamic balance adjustment according to claim 2, wherein: when a centrifugal cylinder in the dynamic balance device (3) is subjected to centrifugal force, a sensor is used for detecting the change delta P of gas pressure in a spring-free side cylinder chamber of a centrifugal cylinder body (11) and a rod-free side cylinder chamber of a push rod cylinder body (10); the controller adjusts the pressure regulator (7) according to the delta P so as to control the pressure F of the cylinder chamber on the rod side of the acting cylinder body (8), and the relation between the delta P and the F is obtained by experimental analysis by combining with the actual situation.
4. A centrifugal apparatus for automatically performing dynamic balance adjustment according to claim 1, 2 or 3, wherein: the connection mode of the supporting arm mechanism (2) and the main rotating shaft mechanism (1) and the connection mode of the sliding mechanism (5) and the precision end (6) can be blind rivet connection, screw connection, riveting, clamping hook connection, hinge connection, welding, gluing, expansion joint or seam seaming connection.
5. A centrifugal apparatus for automatically performing dynamic balance adjustment according to claim 1, 2 or 3, wherein: the relative motion mode of the sliding mechanism (5) and the supporting arm mechanism (2) is a sliding motion pair or a rolling motion pair.
6. A centrifugal apparatus for automatically performing dynamic balance adjustment according to claim 1, 2 or 3, wherein: the pull rod (4) is one or more solid or hollow cylinders or cylinders with polygonal sections or flexible zippers or rod pieces with U-shaped structures at the end parts.
7. A centrifugal apparatus for automatically performing dynamic balance adjustment according to claim 1, 2 or 3, wherein: the pressure regulator (7) is communicated with a cylinder chamber on the rod side or a cylinder chamber on the rodless side of the cylinder body (8) of the acting cylinder.
8. A centrifugal apparatus for automatically performing dynamic balance adjustment according to claim 1, 2 or 3, wherein: the pressure regulator (7) in the dynamic balancing device (3) may be a proportional relief valve or a proportional pressure reducing valve or a hydraulic pump.
9. A centrifugal apparatus for automatically performing dynamic balance adjustment according to claim 1, 2 or 3, wherein: the centrifugal cylinder body (11) and the push rod cylinder body (10) in the dynamic balance device (3), the boosting cylinder body (15), the pressure regulator (7) and the acting cylinder body (8) are communicated in a flexible pipeline or a rigid pipeline, and the pipeline is a steel pipe or a copper pipe or a nylon pipe or a plastic pipe or a rubber pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476324.4A CN112718266B (en) | 2020-12-15 | 2020-12-15 | Automatic realize centrifugal separator device of dynamic balance regulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476324.4A CN112718266B (en) | 2020-12-15 | 2020-12-15 | Automatic realize centrifugal separator device of dynamic balance regulation |
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| CN112718266A true CN112718266A (en) | 2021-04-30 |
| CN112718266B CN112718266B (en) | 2022-06-07 |
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| CN202011476324.4A Active CN112718266B (en) | 2020-12-15 | 2020-12-15 | Automatic realize centrifugal separator device of dynamic balance regulation |
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| US20100009831A1 (en) * | 2008-07-10 | 2010-01-14 | Hanlab Corporation | Automatic balance adjusting centrifuge |
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2020
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| GB892817A (en) * | 1957-06-25 | 1962-03-28 | Norman Henry Hackett | Hydraulic brake system |
| US4919646A (en) * | 1988-01-18 | 1990-04-24 | Acutronic France | System for automatically balancing a centrifuge in operation |
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| CN107235040A (en) * | 2017-06-27 | 2017-10-10 | 周旭斌 | A kind of adjustor of braking relay valve and adjusting method |
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| CN109847952A (en) * | 2019-01-25 | 2019-06-07 | 哈尔滨工业大学 | A kind of double-axis centrifuge revolving platform dynamic balance method based on driving current |
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