CN102295138A - Sprocket shaft mounting structure of lifter and lifter of asphalt mixing plant - Google Patents
Sprocket shaft mounting structure of lifter and lifter of asphalt mixing plant Download PDFInfo
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- CN102295138A CN102295138A CN2011102837337A CN201110283733A CN102295138A CN 102295138 A CN102295138 A CN 102295138A CN 2011102837337 A CN2011102837337 A CN 2011102837337A CN 201110283733 A CN201110283733 A CN 201110283733A CN 102295138 A CN102295138 A CN 102295138A
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- sprocket shaft
- mounting structure
- gig
- shaft mounting
- sprocket
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Abstract
The invention discloses a sprocket shaft mounting structure of a lifter. Two ends of a sprocket shaft (1) are arranged on a shell (3) of the lifter through a bearing (2) respectively; a sprocket (8) is arranged on the sprocket shaft (1); impellers (4) are arranged on two sides of the sprocket (8); the impellers (4) are positioned in the shell (3); and the vortex generated by the impellers (4) flows towards the sprocket (8). The invention also discloses a lifter of an asphalt mixing plant, which is provided with the sprocket shaft mounting structure. By using the sprocket shaft mounting structure and the lifter, in the running process of the lifter, the vortex generated by the rotating impellers can convey materials towards the sprocket and the materials are concentrated in the middle of the sprocket and cannot flow to the inner wall of the shell, so that the materials cannot overflow out of the shell or abrade the sprocket shaft or the bearing.
Description
Technical field
The present invention relates to engineering machinery field, particularly, relate to a kind of sprocket shaft mounting structure of gig, also relate to a kind of gig with bituminous mixing plant of this sprocket shaft mounting structure.
Background technology
The application of gig (for example bucket elevator) is very extensive, can be used to promote granular materials such as piece granular materials such as limestone, coal, gypsum, grog, dry clay and raw material, cement, coal dust.For example, gig is the important mechanism of bituminous mixing plant, is mainly used in the hot aggregate through super-dry is risen to certain altitude and sends into screening plant.This gig adopts chain bucket elevator usually, mainly comprises drive sprocket, driven sprocket, is contained in a plurality of hoppers on the chain and is installed in the actuating device, sprocket wheel stretching device etc. at gig top usually.Drive sprocket and driven sprocket are installed in respectively on the sprocket shaft, the two ends of sprocket shaft then respectively by bearing installation on the housing of gig.
In a kind of existing sprocket shaft mounting structure as shown in Figure 1, the two ends of sprocket shaft 1 ' (have only shown the wherein mounting structure of an end among the figure, the situation of the other end is basic identical) reach outside the housing 3 ' of gig, the outside of housing 3 ' is fixed with regulating plate 7 ', be fixed with the stuffing box 2 ' that is set on the sprocket shaft 1 ' on the regulating plate 7 ', be filled with filler 4 ' (for example wool felt etc.) in the stuffing box 2 ', filler 4 ' compressed by the gland 5 ' that is pressed on stuffing box 2 ' end.By and the filler 4 ' of sprocket shaft 1 ' closed contact realize sealing between sprocket shaft 1 ' and the housing 3 ', overflow to prevent the material that is deposited in the housing 3 '.But in this mounting structure, because in the gig operational process, sprocket shaft 1 ' and filler 4 ' mutual friction mutually all the time, thus sprocket shaft 1 ' wearing and tearing can be caused, make the gap to occur between sprocket shaft 1 ' and the filler 4 '.The material of piling up enters this gap in can further cause sprocket shaft 1 ' wearing and tearing with sprocket shaft 1 ' friction, finally causes the damage and the leak free inefficacy of sprocket shaft 1 ', makes the excessive environmental pollution that causes of material.
Disclose a kind of bearing of gig in notification number is the Chinese utility model patent of CN2435370Y, this bearing comprises interior cover and the overcoat that cooperatively interacts rotationally, and in the end of sprocket shaft is fixed in the cover, overcoat is fixed on the inwall of housing of gig.Thereby in this mounting structure, sprocket shaft and bearing all are sealed in the housing, and this can be avoided the excessive of material, and still interior cover is worked with being enclosed within outward under the powder environment, and powder very easily causes the wearing and tearing of sprocket shaft end, interior cover and overcoat, thus the increase maintenance cost.
Summary of the invention
The sprocket shaft mounting structure that the purpose of this invention is to provide a kind of gig, this mounting structure can avoid the material in the gig housing excessive, and can avoid the wearing and tearing of material to parts such as sprocket shaft, bearings.
To achieve these goals, the invention provides a kind of sprocket shaft mounting structure of gig, the two ends of this sprocket shaft respectively by bearing installation on the housing of gig, on the described sprocket shaft sprocket wheel is installed, wherein, the both sides of described sprocket wheel are separately installed with impeller, and this impeller is positioned at described housing, and the eddy current that described impeller produces flows towards described sprocket wheel.
Preferably, described impeller is fixed on the described sprocket shaft.
Preferably, described impeller comprises matrix that is fixed on the described sprocket shaft and a plurality of blades that are installed on this matrix.
Preferably, described blade is helicallobe or the angled parallel side blade that is installed on the described matrix.
Preferably, be provided with first sealing member between the matrix of described impeller and the described sprocket shaft.
Preferably, described housing is stretched out in the end of described sprocket shaft, described sprocket shaft mounting structure also comprises the inner sealed board and the outer shrouding in the inboard that is separately fixed at described housing and the outside, and is connected by labyrinth seal structure between the matrix of described impeller and the described inner sealed board.
Preferably, described labyrinth seal structure comprises on the matrix that is opened in described impeller respectively and is opened in a plurality of maze troughs that stagger mutually on the described inner sealed board.
Preferably, the bottom of the described maze trough on the described inner sealed board offers blanking port.
Preferably, described sprocket shaft mounting structure comprises that also described bearing installation is between the end and described regulating plate of described sprocket shaft by being fixed on the regulating plate on the described outer shrouding.
Preferably, described bearing comprises interior cover and the overcoat that cooperatively interacts rotationally, the end of described sprocket shaft is fixed on and puts in described, and described overcoat is fixed on the inwall of described housing, is connected by labyrinth seal structure between the matrix of described impeller and the described overcoat.
Preferably, described labyrinth seal structure comprises on the matrix that is opened in described impeller respectively and is opened in the described outer a plurality of maze troughs that stagger mutually that put.
Preferably, the bottom of the described outer described maze trough that puts offers blanking port.
On the other hand, the present invention also provides a kind of gig of bituminous mixing plant, and wherein, this gig comprises the sprocket shaft mounting structure of gig as indicated above.
Pass through technique scheme, gig is in operational process, the eddy current that wheel rotation produces can be carried material towards sprocket wheel, make material concentrate on the medium position at sprocket wheel place, material can not flow to inner walls, thereby material can not overflow from housing, can not cause wearing and tearing to sprocket shaft or bearing yet.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification sheets, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the local structure scheme drawing of the sprocket shaft mounting structure of existing a kind of gig;
Fig. 2 is the scheme drawing according to the sprocket shaft mounting structure of the gig of one embodiment of the present invention;
Fig. 3 is the scheme drawing in A-A cross section among Fig. 2, has shown labyrinth seal structure;
Fig. 4 is the scheme drawing according to the sprocket shaft mounting structure of the gig of another embodiment of the invention.
Description of reference numerals
1 sprocket shaft; 2 bearings;
3 housings; 8 sprocket wheels;
4 impellers; 41 matrixes;
42 blades; 43 first sealing members;
51 inner sealed boards; 52 outer shroudings;
6 labyrinth seal structures; 61 blanking ports;
53 second sealing members; 7 regulating plates;
Cover in 21; 22 overcoats.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
As Fig. 2 with shown in Figure 4 (the sprocket shaft mounting structure is basically about sprocket wheel 8 symmetries, for clarity, only marked the wherein Reference numeral of the parts of a side among Fig. 2 and Fig. 4), a kind of sprocket shaft mounting structure of gig is provided according to one embodiment of the present invention, the two ends of this sprocket shaft 1 are installed on the housing 3 of gig by bearing 2 respectively, on the described sprocket shaft 1 sprocket wheel 8 is installed, wherein, the both sides of described sprocket wheel 8 are separately installed with impeller 4, this impeller 4 is positioned at described housing 3, and the eddy current that described impeller 4 produces flows towards described sprocket wheel 8.
Pass through technique scheme, gig is in operational process, impeller 4 rotates the eddy current that produces and material can be carried towards sprocket wheel 8, shown in the arrow among Fig. 2 and Fig. 4, make material concentrate on the medium position at sprocket wheel 8 places, material can not flow to housing 3 inwalls, thereby material can not overflow from housing 3, can not cause wearing and tearing to sprocket shaft 1 or bearing 2 yet.
Shown in impeller 4 can be installed on any suitable parts in the gig, for example can be directly installed on the inwall of housing 3, perhaps be installed in indirectly on the housing 3 by support.Preferably, as Fig. 2 and shown in Figure 4, impeller 4 is fixed on the sprocket shaft 1.Thereby the rotation of sprocket shaft 1 can impeller 4 be rotated, and need not for impeller 4 extra drive source to be set.
Preferably, as Fig. 2 and shown in Figure 4, be provided with first sealing member 43 between the matrix 41 of impeller 4 and the described sprocket shaft 1.Thereby overflow in the slit that may exist that can further avoid material to pass between matrix 41 and the sprocket shaft 1, and sprocket shaft 1 or impeller 4 are caused wearing and tearing.Described first sealing member 43 can be various suitable forms, installs in various suitable modes.For example, can on matrix 41, offer packing groove, and in this packing groove, fill gland packing (for example wool felt etc.), thereby realize the matrix 41 of impeller 4 and the sealing between the sprocket shaft 1 as a kind of concrete embodiment.
In above-mentioned sprocket shaft mounting structure, the various suitable modes that can adopt between sprocket shaft 1 and the bearing 2 are installed, and it is outside or inner that bearing 2 can be arranged on housing 3.For example in embodiment as shown in Figure 2, bearing 2 is arranged on housing 3 outsides.More specifically, as shown in Figure 2, described housing 3 is stretched out in the end of described sprocket shaft 1, described sprocket shaft mounting structure also comprise respectively fixing (for example passing through bolt) the inner sealed board 51 in the inboard of described housing 3 and the outside and outside shrouding 52.Preferably, be connected by labyrinth seal structure 6 between the matrix 41 of described impeller 4 and the described inner sealed board 51.Even thereby there is a small amount of material may flow near housing 3 inwalls, can prevent effectively that by labyrinth seal structure 6 this material from spilling into outside the housing 3.
Described labyrinth seal structure 6 can be used as independently that parts are arranged between matrix 41 and the inner sealed board 51, preferably is formed directly on matrix 41 and the inner sealed board 51.That is, as shown in Figure 3, described labyrinth seal structure 6 comprises on the matrix 41 that is opened in described impeller 4 respectively and is opened in a plurality of maze troughs that stagger mutually on the described inner sealed board 51.In other words, be formed with the labyrinth wall of a plurality of general toroidal on matrix 41 and the inner sealed board 51 respectively, form maze trough between two adjacent labyrinth walls.Maze trough on maze trough on the matrix 41 and the inner sealed board 51 staggers mutually, that is to say, labyrinth wall on the matrix 41 is embedded in the maze trough on the inner sealed board 51, and the labyrinth wall on the inner sealed board 51 then is embedded in the maze trough on the matrix 41, thereby forms labyrinth seal structure 6.
Preferably, as shown in Figure 3, the bottom of the described maze trough on the described inner sealed board 51 offers blanking port 61.Thereby,, can discharge from blanking port 61 automatically just in case there is material to enter in the labyrinth seal structure 6.
Preferably, as shown in Figure 2, be provided with second sealing member 53 between described housing 3, inner sealed board 51 and outer shrouding 52 and the described sprocket shaft 1.So that further prevent material from the housing 3 that may exist, inner sealed board 51 and outside gap between shrouding 52 and the sprocket shaft 1 overflow.Described second sealing member 53 can be various suitable forms, installs in various suitable modes.For example as a kind of concrete embodiment, can housing 3, inner sealed board 51 and outside offer packing groove on the shrouding 52, and in this packing groove, fill gland packing (for example wool felt etc.), thereby realize the sealing between housing 3, inner sealed board 51 and outer shrouding 52 and the sprocket shaft 1.
Preferably, as shown in Figure 2, described sprocket shaft mounting structure can also comprise that described bearing 2 is installed between the end and described regulating plate 7 of described sprocket shaft 1 by being fixed on the regulating plate 7 on the described outer shrouding 52.Regulating plate 7 is connected with the sprocket wheel stretching device of gig usually, thereby regulates the position of inner sealed board 51, outer shrouding 52 and the sprocket shaft 1 of captiveing joint with regulating plate 7 by the position that changes regulating plate 7, thereby regulates the degree of tension of sprocket wheel 8 as required.The concrete structure of relevant sprocket wheel stretching device is well known in the art, does not repeat them here.Bearing 2 can be installed in various suitable modes for various suitable structures well known in the art.For example, the inner ring of bearing 2 can be fixed on the end of sprocket shaft 1, and outer ring (perhaps bearing seat) then is fixed on the regulating plate 7.
Be illustrated in figure 4 as bearing 2 and be installed in embodiment in the housing 3.As shown in Figure 4, described bearing 2 comprises interior cover 21 and the overcoat 22 that cooperatively interacts rotationally, the end of described sprocket shaft 1 is fixed on the described interior cover 21, described overcoat 22 is fixed on the inwall of described housing 3, is connected by labyrinth seal structure 6 between the matrix 41 of described impeller 4 and the described overcoat 22.This labyrinth seal structure 6 is with above to combine the labyrinth seal structure 6 that Fig. 2 and Fig. 3 describe similar, just in Fig. 2 and embodiment shown in Figure 3, maze trough is opened on the inner sealed board 51, and in embodiment shown in Figure 4, maze trough is opened on the overcoat 22.Therefore no longer illustrate in greater detail.Similarly, the bottom of the described maze trough on the overcoat 22 also preferably offers blanking port 61.Thereby,, can discharge from blanking port automatically just in case there is material to enter in the labyrinth seal structure 6.
Above-mentioned sprocket shaft mounting structure can be used for the sprocket shaft of the drive sprocket of gig, also can be used for the sprocket shaft of driven sprocket.Because material is deposited in the below usually, the sprocket shaft below therefore being positioned at is had relatively high expectations to shaft end seal, and therefore above-mentioned sprocket shaft mounting structure is particularly useful for being installed in the sprocket shaft of below.And in gig, drive sprocket is installed in the top usually, and driven sprocket is installed in the below, and therefore the sprocket shaft 1 of above-mentioned sprocket shaft mounting structure is generally the driven shaft of gig.
In addition, the present invention also provides a kind of gig of bituminous mixing plant, and this gig comprises the sprocket shaft mounting structure of gig as indicated above.
Below describe preferred implementation of the present invention in conjunction with the accompanying drawings in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (13)
1. the sprocket shaft mounting structure of a gig, the two ends of this sprocket shaft (1) are installed on the housing (3) of gig by bearing (2) respectively, sprocket wheel (8) is installed on the described sprocket shaft (1), it is characterized in that, the both sides of described sprocket wheel (8) are separately installed with impeller (4), this impeller (4) is positioned at described housing (3), and the eddy current that described impeller (4) produces flows towards described sprocket wheel (8).
2. the sprocket shaft mounting structure of gig according to claim 1 is characterized in that, described impeller (4) is fixed on the described sprocket shaft (1).
3. the sprocket shaft mounting structure of gig according to claim 2 is characterized in that, described impeller (4) comprises the matrix (41) that is fixed on the described sprocket shaft (1) and is installed in a plurality of blades (42) on this matrix (41).
4. the sprocket shaft mounting structure of gig according to claim 3 is characterized in that, described blade (42) is helicallobe or the angled parallel side blade that is installed on the described matrix (41).
5. the sprocket shaft mounting structure of gig according to claim 3 is characterized in that, is provided with first sealing member (43) between the matrix (41) of described impeller (4) and the described sprocket shaft (1).
6. the sprocket shaft mounting structure of gig according to claim 1, it is characterized in that, described housing (3) is stretched out in the end of described sprocket shaft (1), described sprocket shaft mounting structure also comprises the inboard that is separately fixed at described housing (3) and the inner sealed board (51) and the outer shrouding (52) in the outside, and is connected by labyrinth seal structure (6) between the matrix (41) of described impeller (4) and the described inner sealed board (51).
7. the sprocket shaft mounting structure of gig according to claim 6, it is characterized in that described labyrinth seal structure (6) comprises that the matrix (41) that is opened in described impeller (4) respectively goes up and be opened in a plurality of maze troughs that stagger mutually on the described inner sealed board (51).
8. the sprocket shaft mounting structure of gig according to claim 7 is characterized in that, the bottom of the described maze trough on the described inner sealed board (51) offers blanking port (61).
9. the sprocket shaft mounting structure of gig according to claim 6, it is characterized in that, described sprocket shaft mounting structure comprises that also described bearing (2) is installed between the end and described regulating plate (7) of described sprocket shaft (1) by being fixed on the regulating plate (7) on the described outer shrouding (52).
10. the sprocket shaft mounting structure of gig according to claim 1, it is characterized in that, described bearing (2) comprises interior cover (21) and the overcoat (22) that cooperatively interacts rotationally, the end of described sprocket shaft (1) is fixed on the described interior cover (21), described overcoat (22) is fixed on the inwall of described housing (3), is connected by labyrinth seal structure (6) between the matrix (41) of described impeller (4) and the described overcoat (22).
11. the sprocket shaft mounting structure of gig according to claim 10, it is characterized in that described labyrinth seal structure (6) comprises that the matrix (41) that is opened in described impeller (4) respectively goes up and be opened in a plurality of maze troughs that stagger mutually on the described overcoat (22).
12. the sprocket shaft mounting structure of gig according to claim 11 is characterized in that, the bottom of the described maze trough on the described overcoat (22) offers blanking port.
13. the gig of a bituminous mixing plant is characterized in that, this gig comprises the sprocket shaft mounting structure according to any described gig in the claim 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110283733 CN102295138B (en) | 2011-09-22 | 2011-09-22 | Sprocket shaft mounting structure of lifter and lifter of asphalt mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110283733 CN102295138B (en) | 2011-09-22 | 2011-09-22 | Sprocket shaft mounting structure of lifter and lifter of asphalt mixing plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102295138A true CN102295138A (en) | 2011-12-28 |
| CN102295138B CN102295138B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110283733 Active CN102295138B (en) | 2011-09-22 | 2011-09-22 | Sprocket shaft mounting structure of lifter and lifter of asphalt mixing plant |
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| CN (1) | CN102295138B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013040775A1 (en) * | 2011-09-22 | 2013-03-28 | 长沙中联重工科技发展股份有限公司 | Sprocket shaft mounting structure for hoist and hoist for asphalt mixing plant |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320482A (en) * | 1992-09-21 | 1994-06-14 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for reducing axial thrust in centrifugal pumps |
| CN2178710Y (en) * | 1993-06-27 | 1994-10-05 | 广西壮族自治区百色矿山机械厂 | Bucket elevator |
| CN2204293Y (en) * | 1994-07-13 | 1995-08-02 | 何庆森 | Middle-shaft supporting device for screw transporting machine |
| CN2206278Y (en) * | 1994-08-23 | 1995-08-30 | 林发泉 | Combined chain wheel for elevator |
| DE19717175A1 (en) * | 1997-04-24 | 1998-10-29 | Voith Hydro Gmbh | Water jet propulsion for a watercraft |
| EP0902190A2 (en) * | 1997-09-15 | 1999-03-17 | The BOC Group plc | Vacuum pumps |
| CN2324138Y (en) * | 1998-04-10 | 1999-06-16 | 胡斌 | Suspension bucket elevator |
| CN2344356Y (en) * | 1998-09-15 | 1999-10-20 | 长沙南方电站辅机厂 | High-effective flapper for pneumatic continuous transfer pump |
| CN2435370Y (en) * | 2000-08-06 | 2001-06-20 | 郝志付 | New bearing of bituminous concrete powder elevator |
| CN2549303Y (en) * | 2002-05-22 | 2003-05-07 | 上海航天长垣新型管道有限公司 | Steel plastic transition pipe joint |
| US6802693B2 (en) * | 1999-05-21 | 2004-10-12 | Vortex Holding Company | Vortex attractor with vanes attached to containing ring and backplate |
| CN2776914Y (en) * | 2005-03-07 | 2006-05-03 | 徐慎山 | High temperature sesistant bucket elevator |
| WO2006079274A1 (en) * | 2005-01-28 | 2006-08-03 | Shihuang Li | Vortex centrifugal constant pressure pump |
| CN2818439Y (en) * | 2005-05-24 | 2006-09-20 | 海门市凤龙不锈钢制药设备有限公司 | Pneumatic liftable feeder |
| CN2924192Y (en) * | 2006-07-25 | 2007-07-18 | 宝山钢铁股份有限公司 | Output shaft waterproof sealing structure for high speed rotary equipment |
| CN202245113U (en) * | 2011-09-22 | 2012-05-30 | 中联重科股份有限公司 | Sprocket wheel shaft-mounting structure for hoisters and hoister for asphalt-mixing plants |
-
2011
- 2011-09-22 CN CN 201110283733 patent/CN102295138B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320482A (en) * | 1992-09-21 | 1994-06-14 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for reducing axial thrust in centrifugal pumps |
| CN2178710Y (en) * | 1993-06-27 | 1994-10-05 | 广西壮族自治区百色矿山机械厂 | Bucket elevator |
| CN2204293Y (en) * | 1994-07-13 | 1995-08-02 | 何庆森 | Middle-shaft supporting device for screw transporting machine |
| CN2206278Y (en) * | 1994-08-23 | 1995-08-30 | 林发泉 | Combined chain wheel for elevator |
| DE19717175A1 (en) * | 1997-04-24 | 1998-10-29 | Voith Hydro Gmbh | Water jet propulsion for a watercraft |
| EP0902190A2 (en) * | 1997-09-15 | 1999-03-17 | The BOC Group plc | Vacuum pumps |
| CN2324138Y (en) * | 1998-04-10 | 1999-06-16 | 胡斌 | Suspension bucket elevator |
| CN2344356Y (en) * | 1998-09-15 | 1999-10-20 | 长沙南方电站辅机厂 | High-effective flapper for pneumatic continuous transfer pump |
| US6802693B2 (en) * | 1999-05-21 | 2004-10-12 | Vortex Holding Company | Vortex attractor with vanes attached to containing ring and backplate |
| CN2435370Y (en) * | 2000-08-06 | 2001-06-20 | 郝志付 | New bearing of bituminous concrete powder elevator |
| CN2549303Y (en) * | 2002-05-22 | 2003-05-07 | 上海航天长垣新型管道有限公司 | Steel plastic transition pipe joint |
| WO2006079274A1 (en) * | 2005-01-28 | 2006-08-03 | Shihuang Li | Vortex centrifugal constant pressure pump |
| CN2776914Y (en) * | 2005-03-07 | 2006-05-03 | 徐慎山 | High temperature sesistant bucket elevator |
| CN2818439Y (en) * | 2005-05-24 | 2006-09-20 | 海门市凤龙不锈钢制药设备有限公司 | Pneumatic liftable feeder |
| CN2924192Y (en) * | 2006-07-25 | 2007-07-18 | 宝山钢铁股份有限公司 | Output shaft waterproof sealing structure for high speed rotary equipment |
| CN202245113U (en) * | 2011-09-22 | 2012-05-30 | 中联重科股份有限公司 | Sprocket wheel shaft-mounting structure for hoisters and hoister for asphalt-mixing plants |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013040775A1 (en) * | 2011-09-22 | 2013-03-28 | 长沙中联重工科技发展股份有限公司 | Sprocket shaft mounting structure for hoist and hoist for asphalt mixing plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102295138B (en) | 2013-04-03 |
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Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Applicant after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Applicant before: Chang Sha Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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