CN203061138U - Structural device capable of preventing paddle of stirrer from dropping during operation - Google Patents
Structural device capable of preventing paddle of stirrer from dropping during operation Download PDFInfo
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- CN203061138U CN203061138U CN 201320033000 CN201320033000U CN203061138U CN 203061138 U CN203061138 U CN 203061138U CN 201320033000 CN201320033000 CN 201320033000 CN 201320033000 U CN201320033000 U CN 201320033000U CN 203061138 U CN203061138 U CN 203061138U
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- leaf
- spiral
- propeller
- hold
- blade
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Abstract
The utility model relates to a structural device capable of preventing a paddle of a stirrer from dropping during operation. A main structure of the structural device is as follows: a stirring paddle 1 is welded with a hub 2; the hub 2 is arranged on one end of a stirring shaft 4 and fixed by using a conical jackscrew 3; and an enclasping ring A5 and an enclasping ring B6 are arranged below the hub 2 and fixedly enclasped on the stirring shaft 4 by using blots, and the tops of the enclasping ring A5 and an enclasping ring B6 are adhered to the bottom of the hub 2. By adopting the structure, the structural device can prevent the stirring paddle 1 from downwards sliding by utilizing the limiting action of the enclasping rings, thereby preventing the accidents and overcoming the defects of the prior art.
Description
Technical field
The utility model relates to a kind of constructional device that prevents that the propeller-blade operation from coming off.
Background technology
In Chemical Manufacture, agitator is a kind of equipment commonly used, and it can evenly mix sample.In the actual use of PET industry, it is comparatively frequent that vertical stirrer uses.Vertical stirrer is owing to its structure, and the fault that stirrer paddle comes off along shaft takes place when operation in regular meeting.
In the actual production, under heavier, the bigger situation of vertical stirrer blade, owing to the continuity production of chemical unit, do not possess the randomness of maintenance test agitator ruuning situation.Because running time is long, stirrer paddle is heavier, it is loosening with being threaded of wheel hub that fastening jackscrew can take place, thereby cause that stirrer paddle is along the shaft fault of landing down, generation production accident.
Existingly prevent that relevant patent that blade comes off seldom, Chinese patent CN 2164767 Y disclose a kind of family expenses bread producing machine of the agitator that do not come off, a kind of family expenses bread producing machine, stirrer shaft is the D type with axle sleeve and cooperates, at axle the groove contour with axle sleeve arranged, can prevent that agitator from coming off in the axle sleeve D type string face embedding groove for sleeping in.Establish expansion tightening wheel on the driving-belt in the transmission gear for electric motor, make driving-belt non-slip, the motor overload protection adopts bimetal leaf to repeat formula temperature controller replacement fuse.Establish permanent magnet adhesive device at cover cap and corresponding position, body of heater upper edge, the vibrations noise takes place when preventing work, this patent is by at groove contour with axle sleeve of shaft design, and shortcoming is comparatively complexity of apparatus structure.
Chinese patent CN 202173897 U disclose a kind of protective device that comes off for overhead stirrer, comprise the annular main body on the rack rod that is set in standard carriage, and the side of described annular main body is provided with at least one internal thread through hole; Such structure is to have added protection under the overhead stirrer installation site; effectively prevented the destructiveness injury that the overhead stirrer accidental causes to external world; this patent is the annular main body that internal thread through hole is arranged in side of standard carriage cover, and shortcoming is that contacting of annular main body and support is not very tight.
Summary of the invention
The purpose of this utility model provides a kind of constructional device that prevents that the propeller-blade operation from coming off.The utility model relates to a kind of constructional device that prevents that the propeller-blade operation from coming off, stirrer paddle and wheel hub are connected as a single entity, by the taper jackscrew wheel hub and shaft are combined closely, a cover hold-fast ring is installed in the wheel hub below that connects stirrer paddle, the top of hold-fast ring is fitted in the bottom of wheel hub, described hold-fast ring is made up of two semicircular ring, the bolt of two diagonal positions is equipped with on the ring, clamping screw, two semicircular ring just are fastened on the shaft, and such structural advantages is to utilize the position-limiting action of hold-fast ring, can stop down landing of stirrer paddle, avoid accident, remedy the deficiencies in the prior art.
A kind of constructional device that prevents that the propeller-blade operation from coming off of the present utility model, primary structure is: stirrer paddle is welded on the wheel hub, and described wheel hub is installed on shaft one end, fixes with the taper jackscrew; Hold-fast ring is installed below wheel hub, and hold tightly on shaft with bolting, the top is fitted in the bottom of wheel hub, it is to prevent from that the taper jackscrew is loosening to cause that propeller-blade is in service to come off that such structure mainly acts on, agitator in running up fixedly the taper jackscrew of propeller-blade if loosening, the generation that propeller-blade can glide and come off and cause the accident, the present invention are installed hold-fast ring additional and are directly blocked propeller-blade effectively and can glide and come off in the propeller-blade lower end.
Aforesaid a kind of constructional device that prevents that the propeller-blade operation from coming off, the described blade of mixing is mentioned suppressing action (on mention that suppressing action is that angle according to propeller-blade decides) on having to stirring material, therefore a kind of agitator that prevents the constructional device that the propeller-blade operation comes off of the present utility model is divided into three kinds of forms according to the form of stirrer paddle, is respectively: two leaf dashers, three leaf dasher and spiral agitators.The characteristics of these three kinds of agitators are: two leaf dashers are divided into flat leaf dasher again, split flat leaf dasher, tiltedly the leaf dasher, split oblique leaf paddle agitator, variable cross-section hinged joint dasher, variable cross-section two-fold leaf dasher and the compound hinged joint dasher of variable cross-section, its characteristics are: generally work under laminar condition, be applicable to that low viscosity spares the big diameter multi-layer stirring at low speed of matter, mediation, homogeneous phase, dissolving, crystallization or high ma's degree; Three leaf dashers are divided into three straight oar formula agitators, three oblique leaf dashers, three leaf swept-back agitators, three leaf boolean Ma Jinshi agitators, three leaf swept-back agitators and three leaf spiral agitators again, its characteristics are: axial flow type has certain axial circulation ability, radially shunts during low speed and certain dispersibility radially arranged when shunting high speed.Be applicable to dissolving, mixing, disperse heat transfer operations; Spiral agitator can be divided into the variable cross-section spiral agitator, three leaf propeller agitators, three posterior lobe spiral agitators, four posterior lobe spiral agitators and four leaf spiral agitators and sawtooth spiral agitator, be characterized in: this type of agitator is a kind of axial flow type high-performance agitator that has wide range of applications, it is good that it gets rid of performance, shearing force is low, be the convection circulation state during low speed, be the turbulent flow dispersity during high speed, bigger leaf inclination angle and vane twist can make agitator also can reach higher field of flow when transition flow even turbulent flow, and its discharge opeing can improve 30% by the traditional propeller agitator of force rate.Be applicable to low viscous mixing, dissolving, solid suspension, heat transfer, reaction, mass transfer, get, crystallization operation.
As optimized technical scheme:
Aforesaid a kind of constructional device that prevents that the propeller-blade operation from coming off, described stirrer paddle is welded on the wheel hub, and is installed on shaft one end, fixes with the taper jackscrew; Hold-fast ring A and hold-fast ring B are installed below wheel hub, and fixedly hold tightly on shaft with bolt A and bolt B, the top is fitted in the bottom of wheel hub
Aforesaid a kind of constructional device that prevents that the propeller-blade operation from coming off, described hold-fast ring A and hold-fast ring B are semi-round ring shape, and fix with bolt A and bolt B diagonal position.
Beneficial effect
A kind of constructional device that prevents that the propeller-blade operation from coming off of the present utility model, by installing hold-fast ring additional, even the taper jackscrew is loosening, the stirring tendency of the oriented bottom offset of wheel hub, paddle is because the effect of hold-fast ring, still can operate as normal, the accident of downward landing can not take place, thereby guarantee the normal operation of producing, the utility model is because the contact area of hold-fast ring and shaft is bigger, thereby can better play the effect that prevents that stirrer paddle from coming off, remedy the deficiencies in the prior art.
Description of drawings
Fig. 1 is this practical schematic diagram
Fig. 2 is this practical hold-fast ring generalized section
Wherein 1 is that stirrer paddle 2 is that wheel hub 3 is taper jackscrews
The 4th, shaft 5 is that hold-fast ring A 6 is hold-fast ring B
The 7th, bolt A 8 is bolt B
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the utility model.
As shown in Figure 1, be a kind of constructional device that prevents that the propeller-blade operation from coming off of the present utility model, described stirrer paddle 1 is welded on the wheel hub 2, and described wheel hub 2 is installed on shaft 4 one ends, and is fixing with taper jackscrew 3; Hold-fast ring A5 and hold-fast ring B6 are installed below wheel hub 2, and fixedly hold tightly on shaft 4 with bolt A7 and bolt B 8, the top is fitted in the bottom of wheel hub 2.
As shown in Figure 2, be a kind of hold-fast ring that prevents the constructional device that the propeller-blade operation comes off of the present utility model, hold-fast ring A5 and hold-fast ring B6 are semi-round ring shape, and fix with bolt A7 and bolt B 8 diagonal positions.
Described stirrer paddle (1) is two leaf oar formulas, three leaf oar formulas or spiral.
Described two leaf oar formulas are flat leaf oar formula, split flat leaf oar formula, oblique leaf oar formula, split oblique leaf slurry formula, variable cross-section hinged joint oar formula, variable cross-section two-fold leaf oar formula or the compound hinged joint oar of variable cross-section formula.
Described three leaf oar formulas are that three straight oar formulas, three oblique leaf oar formulas, three leaf swept-backs, three leaf boolean Ma Jinshi, three leaf swept-backs or three leaves are spiral.
Describedly spirally be that variable cross-section is spiral, three leaf push types, three posterior lobes are spiral, four posterior lobes are spiral, four leaves are spiral or sawtooth is spiral.
Through evidence, a kind of constructional device that prevents that the propeller-blade operation from coming off of the present utility model, by installing hold-fast ring additional, even the taper jackscrew is loosening, the stirring tendency of the oriented bottom offset of wheel hub, paddle is because the effect of hold-fast ring, still can operate as normal, the accident of downward landing can not take place, thereby guaranteed the normal operation of producing, the utility model is because the contact area of hold-fast ring and shaft is bigger, thereby can better play the effect that prevents that stirrer paddle from coming off, and remedies the deficiencies in the prior art.
Claims (6)
1. one kind prevents that propeller-blade from moving the constructional device that comes off, and it is characterized in that: stirrer paddle (1) is welded on the wheel hub (2), and described wheel hub (2) is installed on shaft (4) one ends, and is fixing with taper jackscrew (3); Hold-fast ring A (5) and hold-fast ring B (6) are installed below wheel hub (2), and fixedly hold tightly on shaft (4) with bolt A (7) and bolt B (8), the top is fitted in the bottom of wheel hub (2).
2. a kind of constructional device that prevents that the propeller-blade operation from coming off according to claim 1 is characterized in that described hold-fast ring A (5) and hold-fast ring B (6) are semi-round ring shape, and fixes with bolt A (7) and bolt B (8) diagonal position.
3. a kind of constructional device that prevents that the propeller-blade operation from coming off according to claim 1 is characterized in that described stirrer paddle (1) is two leaf oar formulas, three leaf oar formulas or spiral.
4. a kind of propeller-blade that prevents according to claim 3 moves the constructional device that comes off, it is characterized in that described two leaf oar formulas are flat leaf oar formula, split flat leaf oar formula, oblique leaf oar formula, split oblique leaf slurry formula, variable cross-section hinged joint oar formula, variable cross-section two-fold leaf oar formula or the compound hinged joint oar of variable cross-section formula.
5. a kind of propeller-blade that prevents according to claim 3 moves the constructional device that comes off, it is characterized in that described three leaf oar formulas are that three straight oar formulas, three oblique leaf oar formulas, three leaf swept-backs, three leaf boolean Ma Jinshi, three leaf swept-backs or three leaves are spiral.
6. a kind of propeller-blade that prevents according to claim 3 moves the constructional device that comes off, it is characterized in that, describedly spirally be that variable cross-section is spiral, three leaf push types, three posterior lobes are spiral, four posterior lobes are spiral, four leaves are spiral or sawtooth is spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033000 CN203061138U (en) | 2013-01-22 | 2013-01-22 | Structural device capable of preventing paddle of stirrer from dropping during operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033000 CN203061138U (en) | 2013-01-22 | 2013-01-22 | Structural device capable of preventing paddle of stirrer from dropping during operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203061138U true CN203061138U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320033000 Expired - Fee Related CN203061138U (en) | 2013-01-22 | 2013-01-22 | Structural device capable of preventing paddle of stirrer from dropping during operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203061138U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998580A (en) * | 2015-07-30 | 2015-10-28 | 江苏胜开尓工业技术有限公司 | Pulp tank agitator |
| CN105461583A (en) * | 2015-12-21 | 2016-04-06 | 常熟市柏伦精细化工有限公司 | Novel preparation and processing technology of naphthol AS-LC |
| CN106040055A (en) * | 2015-04-13 | 2016-10-26 | 帕尔公司 | Fluid impeller for bioprocessing |
| CN106834108A (en) * | 2017-03-16 | 2017-06-13 | 南开大学 | A kind of anaerobic ferment devices and its application |
-
2013
- 2013-01-22 CN CN 201320033000 patent/CN203061138U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040055A (en) * | 2015-04-13 | 2016-10-26 | 帕尔公司 | Fluid impeller for bioprocessing |
| CN106040055B (en) * | 2015-04-13 | 2018-06-12 | 帕尔公司 | For the propeller of biological treatment |
| US10441927B2 (en) | 2015-04-13 | 2019-10-15 | Pall Corporation | Impeller for bioprocessing |
| CN104998580A (en) * | 2015-07-30 | 2015-10-28 | 江苏胜开尓工业技术有限公司 | Pulp tank agitator |
| CN105461583A (en) * | 2015-12-21 | 2016-04-06 | 常熟市柏伦精细化工有限公司 | Novel preparation and processing technology of naphthol AS-LC |
| CN105461583B (en) * | 2015-12-21 | 2017-09-05 | 常熟市柏伦精细化工有限公司 | The preparation of new azoic coupling component AS LC a kind of and processing technology |
| CN106834108A (en) * | 2017-03-16 | 2017-06-13 | 南开大学 | A kind of anaerobic ferment devices and its application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Jinguang Inventor after: Wu Guowang Inventor after: Wang Hao Inventor after: Zhao Xifang Inventor after: Zhang Wei Inventor after: Ma Dongdong Inventor before: Wu Guowang Inventor before: Zhao Jinguang Inventor before: Wang Hao Inventor before: Zhao Xifang Inventor before: Zhang Wei Inventor before: Ma Dongdong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU GUOWANG ZHAO JINGUANG WANG HAO ZHAO XIFANG ZHANG WEI MA DONGDONG TO: ZHAO JINGUANG WU GUOWANG WANG HAO ZHAO XIFANG ZHANG WEI MA DONGDONG |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20210122 |