CN201609676U - Flexible driving device for centrifugal machine - Google Patents
Flexible driving device for centrifugal machine Download PDFInfo
- Publication number
- CN201609676U CN201609676U CN2009200660010U CN200920066001U CN201609676U CN 201609676 U CN201609676 U CN 201609676U CN 2009200660010 U CN2009200660010 U CN 2009200660010U CN 200920066001 U CN200920066001 U CN 200920066001U CN 201609676 U CN201609676 U CN 201609676U
- Authority
- CN
- China
- Prior art keywords
- flexible drive
- drive shaft
- flexible
- axis body
- bearing block
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a flexible driving device for a centrifugal machine. The flexible driving device for the centrifugal machine consists of a flexible drive shaft head (1), a flexible drive shaft body (2), a dust cover (6), a bearing seat (9), a drive base (10) and a coupler (11), wherein the lower end of the coupler (11) is connected with a motor, the upper end thereof is connected with the flexible drive shaft body (2), and the flexible drive shaft head (1) provided with a Y-shaped spline is connected at the upper end of the flexible drive shaft body (2). The flexible drive shaft body is installed on the bearing seat (9) installed on the drive base (10). The flexible driving device for the centrifugal machine can effectively reduce torsional vibration, has low vibration noise and can meet the requirement of heavy load drive; and the flexible driving device for the centrifugal machine can increase the separation effect of the centrifugal machine, has long service life and stabilizes and ejects a rotary head by adopting locknuts, therefore the rotary head can be reliably fixed and conveniently assembled or disassembled.
Description
Technical field:
The utility model belongs to the mechanical ﹠ electrical technology field, is specifically related to a kind of centrifuge flexible drive device of flexible transmission.
Background technology
At present, in the centrifuge industry, be divided into direct driving and variable speed drives by the rotating speed difference of motor and centrifuge-head, directly driving is that motor does not drive centrifuge-head by gear.Directly driving is divided into soft drive and rigidity driving again, existing soft drive is to realize its flexible connection by amount of deflection bigger slender axles and damping supporting seat, eliminate twisting vibration, in the driving of high speed low capacity, low speed large capacity centrifuge, use wide model, but be used in the driving of vast capacity centrifuge, can not satisfy heavy load, high pulling torque is to driving the requirement of strength and stiffness, and twisting vibration can not be effectively subdued in the rigidity driving, vibration and noise are big, and separating effect is undesirable, and the rotating speed and the service life of centrifuge are restricted.
Summary of the invention:
The purpose of this utility model is according to above-mentioned weak point, and provide a kind of twisting vibration of can subduing, can satisfy heavy load again, high pulling torque is to driving the centrifuge flexible drive device of realizing flexible connection between motor and centrifuge-head that strength and stiffness require.
Centrifuge flexible drive device of the present utility model is achieved in that it is taken out several parts of device and constituted by soft drive spindle nose, flexible drive shaft axis body, dust cap, bearing block, driving base, connection, and shaft coupling connects the motor flexible driving shaft.Be provided with the flexible drive shaft axis body in the central authorities that drive base and bearing block, be connected with the flexible shaft spindle nose of band Y shape spline in flexible drive shaft axis body upper end.The shaft coupling that this device connects with motor includes shaft coupling, middle shaft coupling, following shaft coupling; Shaft coupling connects motor and driving shaft, drive the bearing block that base is provided with the damping moulding, in bearing block, be provided with bearing and sleeve, on bearing block, be installed on dust cap, driving the flexible drive shaft axis body that base and bearing block central authorities are installed on band " Y " shape spline, flexible drive shaft axis body upper end is connected with the flexible drive shaft spindle nose of band " Y " shape spline, the flexible drive shaft spindle nose is provided with interior gum cover and end face rubber cushion of band " Y " shape spline, the interior gum cover of band " Y " shape spline and end face rubber cushion are wrapped up with the flexible drive shaft axis body of " Y " shape spline and the flexible drive shaft spindle nose and the screw thread pad of band " Y " shape spline, and screw thread pad and driving shaft axis body and driving shaft spindle nose connect.Be combined into flexible drive shaft.
Description of drawings:
Fig. 1: be the utility model shape and structure schematic diagram
Fig. 2: be the utility model shape and structure cutaway view
Figure grade:
Gum covers, 4 end face rubber cushions, 5 screw thread pads, 6 dust caps, 7 bearings, 8 sleeves, 9 bearing blocks, 10 drive on bases, 11 shaft couplings, 12 shaft coupling, 14 times shaft couplings in the shaft coupling, 13 in the 1 flexible drive shaft spindle nose, 2 flexible drive shaft axis bodies, 3.
The specific embodiment:
Centrifuge flexible drive device of the present utility model, as shown in Figure 1, it is made of flexible drive shaft spindle nose (1), flexible drive shaft axis body (2), dust cap (6), bearing block (9), driving base (10), several parts of shaft coupling (11), shaft coupling (11) connects motor and driving shaft, be provided with flexible drive shaft axis body (2) in the central authorities that drive base (10) and bearing block (9), be connected with the flexible shaft spindle nose (1) of band " Y " shape spline in flexible drive shaft axis body (2) upper end.The shaft coupling of this device (11) is provided with shaft coupling (12), middle shaft coupling (13), following shaft coupling (14), driving the bearing block (9) that base (10) upper end is provided with the damping moulding, in bearing block (9), be installed on bearing (7) and sleeve (8), on bearing block (9), be installed on dust cap, driving the flexible drive shaft axis body (2) that base (10) and bearing block (9) central authorities are provided with band " Y " shape spline, flexible drive shaft axis body (2) upper end is connected with the flexible drive shaft spindle nose (1) of band " Y " shape spline, flexible drive shaft spindle nose (1) is provided with the interior gum cover (3) and an end face rubber cushion (4) of band " Y " shape spline, and the interior gum cover of band Y shape spline and end face rubber cushion are wrapped up with the flexible drive shaft axis body (2) of " Y " shape spline and the flexible drive shaft spindle nose (1) and the screw thread pad of band " Y " shape spline.Screw thread pad (5) connects with driving shaft axis body (2) and driving shaft spindle nose, is combined into flexible drive shaft.
The utility model is to be connected with motor shaft by shaft coupling in the lower end of soft drive, this coupler structure compactness, easy to loading and unloading, have elasticity and shock-absorbing capacity, can compensate the little relative shift of diaxon, effectively isolate motor oscillating, its flexible drive shaft is by interior gum cover and the end face rubber cushion of envelope at interior band " Y " shape spline, realize its flexibility, utilize the bumper and absorbing shock of rubber, effectively subdue the twisting vibration that the centrifuge-head imbalance causes, the bearing block of this damping moulding utilizes the bumper and absorbing shock characteristic energy of rubber, also can subdue the twisting vibration that the centrifuge-head imbalance causes once more, this flexible drive shaft is to adopt diameter phi 20, material is that the interior gum cover and the end face gum cover of stainless driving shaft axis body and driving shaft spindle nose packaging belt " Y " shape spline formed, utilize " Y " shape spline engagement transmitting large torque, utilize envelope in the interior gum cover of interior band " Y " shape spline and the limited compression of end face gum cover, guarantee its rigidity, this flexible drive shaft spindle nose is connected mating surface with centrifuge-head be 1: 5 conical surface, be provided with a hexahedron and prevent that centrifuge-head from rotating around the driving shaft spindle nose, the solid centrifuge-head of screw thread case is arranged, the self-centering of cone match energy, transmit moment of torsion, this soft drive is with locking, screw rod is locked and is ejected centrifuge-head, and easy to loading and unloading, fixation is reliable.
Claims (3)
1. centrifuge flexible drive device, it is characterized in that by flexible drive shaft spindle nose (1), flexible drive shaft axis body (2), dust cap (6), bearing block (9), drive base (10), several parts formations of shaft coupling (11), shaft coupling (11) connects flexible drive shaft axis body and motor, shaft coupling (11) and flexible drive shaft axis body (2) are installed on the bearing block (9), bearing block (9) is installed in and drives on the base (10), is connected with the flexible drive shaft spindle nose (1) of band " Y " shape spline in flexible drive shaft axis body (2) upper end.
2. centrifuge flexible drive device according to claim 1, it is characterized in that shaft coupling (11) is provided with shaft coupling (12), middle shaft coupling (13), following shaft coupling (14), go up connection flexible drive shaft axis body and motor at shaft coupling (11), driving the bearing block (9) that base (10) upper end is provided with the damping moulding, in bearing block (9), be installed on bearing (7) and sleeve (8), be provided with the flexible drive shaft axis body (2) of band " Y " shape spline in bearing block (9) central authorities.
3. centrifuge flexible drive device according to claim 1, it is characterized in that flexible drive shaft spindle nose (1) is provided with the interior gum cover (3) and an end face rubber cushion (4) of band " Y " shape spline, the interior gum cover of band Y shape spline and end face rubber cushion are wrapped up with the flexible drive shaft axis body (2) of " Y " shape spline and the flexible drive shaft spindle nose (1) and the screw thread pad of band " Y " shape spline, screw thread pad (5) connects with driving shaft axis body (2) and driving shaft spindle nose, is combined into flexible drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200660010U CN201609676U (en) | 2009-09-24 | 2009-09-24 | Flexible driving device for centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200660010U CN201609676U (en) | 2009-09-24 | 2009-09-24 | Flexible driving device for centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201609676U true CN201609676U (en) | 2010-10-20 |
Family
ID=42960308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200660010U Expired - Fee Related CN201609676U (en) | 2009-09-24 | 2009-09-24 | Flexible driving device for centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201609676U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384215A (en) * | 2010-09-03 | 2012-03-21 | 上海安亭科学仪器厂 | Flexible shock absorber shaft |
| CN114522811A (en) * | 2022-04-08 | 2022-05-24 | 长沙英泰仪器有限公司 | Flexible driving structure of ultra-large capacity centrifugal machine |
-
2009
- 2009-09-24 CN CN2009200660010U patent/CN201609676U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384215A (en) * | 2010-09-03 | 2012-03-21 | 上海安亭科学仪器厂 | Flexible shock absorber shaft |
| CN114522811A (en) * | 2022-04-08 | 2022-05-24 | 长沙英泰仪器有限公司 | Flexible driving structure of ultra-large capacity centrifugal machine |
| CN114522811B (en) * | 2022-04-08 | 2024-02-09 | 长沙英泰仪器有限公司 | Flexible driving structure of super-capacity centrifugal machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20180924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |