CN2344356Y - High-effective flapper for pneumatic continuous transfer pump - Google Patents
High-effective flapper for pneumatic continuous transfer pump Download PDFInfo
- Publication number
- CN2344356Y CN2344356Y CN 98231329 CN98231329U CN2344356Y CN 2344356 Y CN2344356 Y CN 2344356Y CN 98231329 CN98231329 CN 98231329 CN 98231329 U CN98231329 U CN 98231329U CN 2344356 Y CN2344356 Y CN 2344356Y
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- CN
- China
- Prior art keywords
- housing
- flapper
- sealing
- shaft
- band
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- 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 - Lifetime
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Abstract
The utility model can obstruct a gas path between a feed hole and a discharge hole when uniformly and continuously feeding to ensure the high efficiency running of the equipment. The utility model has the primary structure that a casing (5) with a feed hole and a discharge hole (10) (11) is provided with two end covers (6); the support frame (4) of one side of the casing (5) is provided with an electric motor (3) and a speed reducer (2), and the electric motor (3) is used to drive a middle lobe wheel shaft (13) of the casing (5); an impeller shaft (13) whose shaft end is provided with a self-compensating sealing mechanism (14) is provided with a plurality of vanes (7); the two surfaces of the top end and both side ends of each vane (7) are respectively provided with wear resistant heat resistant sealing strips (8) (9) (12) (15) having good airtightness with the inner wall of the casing (5), thereby, the impeller rotation is realized to achieve the function that the gas path is obstructed when the uniform and continuous feeding is carried out.
Description
The utility model relates to a kind ofly to be carried the continuous transmission pump of strength of powder and granule shape material employed, cut off the device of gas circuit in continuous, even feeding with gas actuation power.
The continuous transmission pump of strength is carried dry powder and granule shape material with gas actuation power, is widely used in departments such as thermal power plant, cement mill and chemical industry, metallurgy, grain.Flapper is the component part of described equipment necessity, and it should be able to be finished gas circuit well and cut off in continuous, even feeding, needs with the operation that guarantees system equipment, makes system be able to the normal operation of safety.Yet the same device of prior art can not effectively cut off gas circuit, causes the work efficiency of system equipment to be restricted.
The purpose of this utility model is, designs a kind of efficient flapper that is used for the continuous transmission pump of strength, in continuous, even feeding, can effectively cut off gas circuit, thereby improve the work efficiency of transmission pump, has characteristics simple in structure, dependable performance.
The technical solution of the utility model is, the described efficient flapper that is used for the continuous transmission pump of strength has the housing of band inlet point and discharging opening, end cover is equipped with at these housing two ends, be contained in the reductor that electrical motor is arranged and link with it on the support of housing one side, the takeoff output beam warp sprocket chain strip transmission mechanism drive installation of reductor is rotated in housing and by the paddle shaft that the shaft sleeve of two end covers supports its two ends respectively, its constructional feature is, the self compensation sealing mechanism is housed between the shaft sleeve of paddle shaft two axial ends and corresponding end cover, the structure of this self compensation sealing mechanism is, the body that in described shaft sleeve, encloses with band the inner of flathead screw fixed installation, in this body and the annular space that impeller shaft end is become seal ring is housed successively from the inside to the outside, compression spring, L shaped foundary weight, seal ring, trim ring, the J-shaped oil sealing, the inboard of described first seal ring is spacing by described inner circle, bearing is contained in the paddle shaft top, described shaft sleeve port lining is to install stifle additional behind the packing seal, described housing (5) inner chamber be a garden shape post and with paddle shaft axial line altogether, some blades are housed on the paddle shaft and form impeller, the antiwear heat resisting sealing band that relative inner walls plays the vapor seal effect all is equipped with on each blade tip two sides, the antiwear heat resisting sealing band that the opposite end interior surface plays the vapor seal effect also all is equipped with on the two sides of the two side ends of each blade, constitutes the partition-type structures of cutting off gas circuit between inlet point and the discharging opening thus in housing.
Make below in conjunction with accompanying drawing and to further specify.
Description of drawings:
Fig. 1 faces constructional drawing for the flapper of band semi-sictional view structure;
Fig. 2 is the axial vertical profile TV structure figure of flapper;
Fig. 3 is the plan structure figure of flapper;
Fig. 4 is the structural representation of axle head self compensation sealing mechanism.
In described accompanying drawing:
1-sprocket wheel 2-reductor 3-electrical motor 4-support
5-housing 6-end cap 7-blade 8-sealing band
9-sealing band 10-charging 11-discharging 12-sealing band
13-paddle shaft 14-self compensation sealing mechanism 15-sealing band 16-flathead screw
17-body 18-seal ring 19-compression spring 20-L shape foundary weight
21-seal ring 22-trim ring 23-J shape oil sealing 24-packing seal
The inner circle of 25-stifle 26-bearing 27-
By described accompanying drawing as can be known, the utility model has the housing (5) of band charging aperture (10) and discharging opening (11), End cover (6) is equipped with at this housing (5) two ends, be contained in motor is arranged on the support (4) of housing one side ( 3) and the reductor that links with it (2), the power output shaft of reductor (2) is through the sprocket chain strip transmission mechanism Drive installation is supported respectively the impeller shaft at its two ends in housing (5) and by the shaft sleeve of two end covers (6) (13) rotate, its architectural feature is the shaft sleeve of impeller shaft (13) two axial ends and corresponding end cover (6) Between self-compensation sealed mechanism (14) is housed, the structure of this self-compensation sealed mechanism (14) is (referring to Fig. 4), In described shaft sleeve, be installed with the body (17) of a band edge circle (27) with sunk screw (16), should In body (17) and the annular space that impeller shaft (13) end becomes from the inside to the outside (be shown in Fig. 4 from right to left) Sealing ring (18), Compress Spring (19), L shaped foundary weight (20), sealing ring (21), trim ring are housed successively (22), J-shaped oil sealing (23) (all can be regarded as and be sleeved on the axle head), sealing ring (18) is inboard by the inner Circle (27) is spacing, and bearing (26) is contained in impeller shaft (13) top, described shaft sleeve port lining with sealing gasket ( 24) install stifle (25) additional after (can be paper washer), described housing (5) be a garden cylindricality and with impeller shaft ( 13) be total to axial line, some blades (7) be housed and the composition impeller on the impeller shaft, each blade (7) two sides, top (referring to Fig. 1 and Fig. 3) all be equipped with the antiwear heat resisting sealing strip that relative housing (5) inwall plays the hermetic seal effect ( 8), (9), the two sides of the two side ends of each blade (7) (being arranged on left and right sides end shown in Figure 2) is (namely Difference two surfaces that are equivalent to Fig. 1 or sealing strip (8) (9) place shown in Figure 3) opposite end also all is housed Lid (6) inner surface plays the antiwear heat resisting sealing strip (12) (15) of hermetic seal effect, thus in housing (5) The middle partition-type structures that consists of gas circuit between partition charging aperture (10) and the discharging opening (11).
For the ease of safeguarding that described sealing strip (8) (9) (12) (15) can be designed as with screw to be installed Demountable structure on blade (7) is to be convenient for changing. Moreover, sealing strip (8) (9) (12) ( 15) can adopt relatively hard materials and form rigidity and firmly seal, also can adopt softer flexible material and form flexible sealing; Also can adopt in the one side (such as sealing strip (9) (12) place face) of blade (7) sealing strip of relatively hard materials And adopt the sealing strip of softer material at another side (such as sealing strip (8) (15) place face), form hard and soft property In conjunction with compound sealing structure. The gap of blade (7) top and two side ends and housing (5) internal chamber wall should less than 0.4 millimeter is with assurance lock gas (partition) effect, but Interference contact can increase wearing and tearing and energy consumption. Housing (5) Charging aperture (10) and discharging opening (11) angulation can be according to using needs to be designed in 90 ° to the 180 ° scopes Angle.
Operation principle of the present utility model is, in the described self-compensation sealed mechanism (14), and sealing ring (18) (21) Under the extruding that is in the Compress Spring of compressive state (19), keep housing (5) inner chamber and impeller shaft (13) axle Good hermetic seal between the end, when described sealing ring (18) (21) produces wearing and tearing, can be in Compress Spring (19) Auto-compensation contacts with the sealing of axle head under the effect of expansion force, realizes the self-compensation sealed effect, therewith relevant its Its member plays position-limiting action; For this flapper, when powder and granule shape material is sent into cun from charging aperture (10), Drop between adjacent two blades (7) of impeller, along with the rotation of impeller is fallen by discharging opening (11), namely realize Continuously, even feeding, the coaxial rotation of some blades (7) and each blade (7) and housing (5) and end cap (6) good air-tightness and the good gas of impeller shaft (13) axle head self-compensation sealed mechanism (14) between inwall Sealing property is so that the gas circuit between charging aperture (10) and the discharging opening (11) is in the partition state. Actual test Show, this product under 0.3Mpa pressure not outside gas leakage, charging aperture when impeller does not rotate (10) and discharging opening (11) On the downforce difference do not collaborate up and down when being 0.03 to 0.2Mpa, when load is rotated under 0.1 to 0.2Mpa pressure differential Air leakage is not more than 15%, Effective Raise the air locking energy, thereby improved the operating efficiency of system equipment.
As known from the above, the utility model is that a kind of strength that is used for is input into efficient flapper on the pump continuously, can effectively cut off gas circuit in continuous, even feeding, and the system equipment work efficiency is significantly improved.
Embodiment: according to the flapper of accompanying drawing and said structure, electrical motor (3) power 1.5KW, wheel speed 220pm, 8m exerts oneself
3/ h; Sealing band (9) (12) adopts the material of antiwear heat resisting rubber, sealing band (8) (15) adopts the material (compound seal form) of polytetrafluoroethylene (plastics king), all be installed on the blade (7) with screw, transmission device is the sprocket wheel link chain mechanism, also can adopt other transmission device (as belt-driving etc.) of prior art.
Claims (4)
1, a kind of efficient flapper that is used on the continuous transmission pump of strength, the housing (5) that band inlet point (10) and discharging opening (11) are arranged, end cover (6) is equipped with at housing (5) two ends, be contained in the reductor (2) that electrical motor (3) is arranged and link with it on the support (4) of housing (5) one sides, the takeoff output beam warp sprocket chain strip transmission mechanism drive installation of reductor (2) is rotated in housing (5) and by the paddle shaft (13) that the shaft sleeve of two end covers (6) supports its two ends respectively, it is characterized in that, self compensation sealing mechanism (14) is housed between the shaft sleeve of paddle shaft (13) two axial ends and corresponding end cover (6), the structure of this self compensation sealing mechanism (14) is, in described shaft sleeve, be installed with the body (17) of an inner circle of band (27) with flathead screw (16), in this body (17) and paddle shaft (13) annular space that the end became seal ring (18) is housed successively from the inside to the outside, compression spring (19), L shaped foundary weight (20), seal ring (21), trim ring (22), J-shaped oil sealing (23), the inboard of seal ring (18) is spacing by the inner circle (27), bearing (26) is contained in paddle shaft (13) top, described shaft sleeve port lining is to install stifle (25) additional behind the packing seal (24), described housing (5) be a garden cylindricality and with paddle shaft (13) axial line altogether, some blades (7) are housed on the paddle shaft and form impeller, the antiwear heat resisting sealing band (8) that relative housing (5) inwall plays the vapor seal effect all is equipped with on each blade (7) two sides, top, (9), the antiwear heat resisting sealing band (12) (15) that relative end cap (6) inside face plays the vapor seal effect also all is equipped with on the two sides of the two side ends of each blade (7), constitutes the partition-type structures of cutting off gas circuit between inlet point (10) and the discharging opening (11) thus in housing (5).
2, according to claim 1ly be used on the continuous transmission pump of strength efficient flapper, it is characterized in that, described sealing band (8) (9) (12) (15) is to be installed in demountable structure on the blade (7) with screw.
3, according to claim 1 being used for done the effect flapper on the continuous transmission pump of strength, it is characterized in that, the sealing band (9) (12) of described each blade (7) one side is the antiwear heat resisting rubber weather strip, and the sealing band of its another side (8) (15) is the teflon seal bar.
4, according to claim 1ly be used on the continuous transmission pump of strength efficient flapper, it is characterized in that described inlet point (10) is 90 ° to 180 ° with inlet point (11) angulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98231329 CN2344356Y (en) | 1998-09-15 | 1998-09-15 | High-effective flapper for pneumatic continuous transfer pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98231329 CN2344356Y (en) | 1998-09-15 | 1998-09-15 | High-effective flapper for pneumatic continuous transfer pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2344356Y true CN2344356Y (en) | 1999-10-20 |
Family
ID=33980716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98231329 Expired - Lifetime CN2344356Y (en) | 1998-09-15 | 1998-09-15 | High-effective flapper for pneumatic continuous transfer pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2344356Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295138A (en) * | 2011-09-22 | 2011-12-28 | 长沙中联重工科技发展股份有限公司 | Sprocket shaft mounting structure of lifter and lifter of asphalt mixing plant |
| CN106628878A (en) * | 2017-02-21 | 2017-05-10 | 无锡正佳自控系统股份有限公司 | Granule continuous feeding device for weightlessness steelyard |
| CN106672557A (en) * | 2017-02-21 | 2017-05-17 | 无锡正佳自控系统股份有限公司 | Continuous granule feeding device for double weightlessness steelyard |
| CN110963280A (en) * | 2019-12-17 | 2020-04-07 | 大唐郓城发电有限公司 | Buffering air lock |
-
1998
- 1998-09-15 CN CN 98231329 patent/CN2344356Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295138A (en) * | 2011-09-22 | 2011-12-28 | 长沙中联重工科技发展股份有限公司 | Sprocket shaft mounting structure of lifter and lifter of asphalt mixing plant |
| CN102295138B (en) * | 2011-09-22 | 2013-04-03 | 中联重科股份有限公司 | Sprocket shaft mounting structure of lifter and lifter of asphalt mixing plant |
| CN106628878A (en) * | 2017-02-21 | 2017-05-10 | 无锡正佳自控系统股份有限公司 | Granule continuous feeding device for weightlessness steelyard |
| CN106672557A (en) * | 2017-02-21 | 2017-05-17 | 无锡正佳自控系统股份有限公司 | Continuous granule feeding device for double weightlessness steelyard |
| CN110963280A (en) * | 2019-12-17 | 2020-04-07 | 大唐郓城发电有限公司 | Buffering air lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |