CN103101112B - A kind of elastic stirring blade for concrete hopper - Google Patents
A kind of elastic stirring blade for concrete hopper Download PDFInfo
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- CN103101112B CN103101112B CN201110350660.9A CN201110350660A CN103101112B CN 103101112 B CN103101112 B CN 103101112B CN 201110350660 A CN201110350660 A CN 201110350660A CN 103101112 B CN103101112 B CN 103101112B
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- stirring vane
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Abstract
The present invention relates to a kind of elastic stirring blade for concrete hopper, be provided with in described concrete hopper and drive by stirring motor the shaft rotated, described stirring vane is arranged on shaft, and described stirring vane is at least provided with elastic flange on the outward flange towards described concrete hopper side.Owing to present invention employs elastic flange, when larger aggregate is stuck between stirring vane and concrete hopper, elastic flange just can produce distortion, and aggregate is passed through, and unlikely aggregate is stuck, causes the damage of hopper and agitating device.In addition, the present invention also changes rigid contact relation when in the past simultaneously contacting between stirring vane, aggregate, hopper inwall, improves the service life of hopper.And the present invention also has the beneficial effects such as structure is simple, with low cost, successful.
Description
Technical field
The present invention relates to a kind of mechanical agitation mechanism, particularly relate to a kind of elastic stirring blade for concrete hopper.
Background technology
Concrete is generally the material of the semi-fluid condition mixed by aggregate (stone etc.), cement, water etc.Wherein, the diameter of aggregate (stone etc.) is often not of uniform size.In Practical Project, often use concrete pump by concrete conveyance in the engineering machinery of assigned address, such as concrete mixer, Vehicular concrete pump truck and towed concrete pump etc.
When transporting and use, concrete needs to be stirred by agitating device in hopper.Hopper, also known as loading head, is the container holding pre-pump concrete; Be provided with agitating device in hopper, agitating device is generally made up of stirring motor, shaft and stirring vane, is a kind of device preventing concrete disintegration in hopper, change the hopper inner concrete flow direction.Particularly, the concrete in concrete pump hopper, is mainly stirred it by stirring vane by agitating device, prevents its segregation and buildup.
When stirring, the aggregate (stone etc.) that diameter is larger is often easily stuck between stirring vane and hopper, because the quality of three is hardness of matter, such as stirring vane, hopper is made primarily of metal, when between stirring vane outward flange and hopper inwall, gap design is less than aggregate diameter, then there is the stuck risk between stirring vane and hopper inwall of aggregate, stirring vane and hopper premature abrasion or local compression may be caused further to damage or stirring vane causes stuck cannot rotation because aggregate is excessive, even can reduce the service life of each components and parts of agitating device and hopper or damage above-mentioned parts in the short period of time.
Therefore, in order to prevent the appearance of above-mentioned service condition, generally can by larger (domestic manufacturer stirs gap and is generally greater than 40mm, and producer of offshore company, according to user's service condition, is generally at least greater than 25mm) of the gap design between the outward flange of stirring vane and hopper.But some technical problems that excesssive gap brings again, structure as escribed above causes the concrete on hopper inwall easily to can not get stirring fully possibly, thus affects concrete mobility, even causes the realistic problems such as buildup.
At present, domestic and international each concrete production producer, for ensureing that hopper inner concrete stirs fully, prevents buildup, all carries out optimal design from agitating device and hopper design, reduce concrete-agitating dead angle as far as possible, improve the mobility of hopper inner concrete and the uniformity of stirring.As increased stirring vane quantity, local increases preventing materials accumulation plate, optimize hopper internal structure makes it the measure such as streamline more.
The technical scheme that domestic and international each concrete production producer generally adopts is: 1, stirring vane is metal material and makes; 2, stirring gap is changed: domestic manufacturer stirs gap and is generally greater than 40mm, and producer of offshore company, according to user's service condition, is generally at least greater than 25mm.3, stirring vane quantity is increased: increase stirring vane quantity according to special case in stirring motor and hopper, generally symmetrical, arrange in pairs.
But, no matter be change blade shape, or increasing blade quantity all fundamentally cannot solve stirring contradiction that is abundant and not card aggregate.Change the shape of blade, but the material of blade is still hard metal, still can exist and block aggregate, damages the possibility of hopper and agitating device.Increase blade, the region be stirred increases, but the concrete near hopper still can not get abundant stirring.
Summary of the invention
The object of the invention is to propose that a kind of structure is simple, with low cost, the elastic stirring blade for concrete hopper of successful.
For achieving the above object, the invention provides a kind of elastic stirring blade for concrete hopper, be provided with in described concrete hopper and drive by stirring motor the shaft rotated, described stirring vane is arranged on shaft, and described stirring vane is at least provided with elastic flange on the outward flange towards described concrete hopper side.
Preferably, the minimum spacing between described elastic flange and described concrete hopper is 5 ~ 20mm.
Preferably, described elastic flange is made up of resilient nonmetallic material.
More preferably, described elastic flange is made up of polyurethane or abrasive rubber.
Preferably, described elastic flange is a bar shaped flanged structure.
Preferably, described stirring vane comprises and is arranged in pairs at least the first stirring vane on shaft and the second stirring vane.
More preferably, described elastic flange is spaced indented ribs structure.
Further, the elastic flange on described first stirring vane and the gap, interval between the elastic flange on the second stirring vane and indented ribs are in spatial complementary position.
Preferably, the gap, interval between described elastic flange is 25 ~ 40mm.
Preferably, described stirring vane is made up of monoblock resilient nonmetallic material, is provided with metal reinforcement therein.
Based on technique scheme, advantage of the present invention is:
Owing to present invention employs elastic flange, when larger aggregate is stuck between stirring vane and concrete hopper, elastic flange just can produce distortion, and aggregate is passed through, and unlikely aggregate is stuck, causes the damage of hopper and agitating device.In addition, the present invention also changes rigid contact relation when in the past simultaneously contacting between stirring vane, aggregate, hopper inwall, improves the service life of hopper.And the present invention also has the beneficial effects such as structure is simple, with low cost, successful.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of using state of the present invention;
Fig. 2 is the view of structure side shown in Fig. 1;
Fig. 3 is the structural representation of an embodiment of the present invention;
Fig. 4 is the structural representation of the first stirring vane in the another kind of embodiment of the present invention;
Fig. 5 be embodiment illustrated in fig. 4 in the structural representation of the second stirring vane.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Embodiment 1:
See Fig. 1, Fig. 2 and Fig. 3, the present invention shown in it is used for a kind of embodiment of the elastic stirring blade of concrete hopper, the shaft 3 being driven rotation by stirring motor 1 is provided with in described concrete hopper 4, described stirring vane 2 is arranged on shaft 3, and described stirring vane 2 is at least provided with elastic flange 5 on the outward flange towards described concrete hopper 4 side, preferably, described elastic flange 5 is made up of resilient nonmetallic material, such as, be made up of the resilient nonmetallic material such as polyurethane or abrasive rubber; Minimum spacing between described elastic flange 5 and described concrete hopper 4 is 5 ~ 20mm.
Stirring vane of the present invention can comprise the blade of the various shapes such as helical form, and in the present embodiment, as shown in Figure 3, described elastic flange 5 is a bar shaped flanged structure, namely arranges continuous print resilient nonmetallic material flanged structure at metal stirring vane 2 outward flange.This blade is mainly used on the little concrete product of the aggregates such as pumping or spray furnace such as concrete spraying vehicle.
Said structure of the present invention efficiently solves the technical contradiction of stirring fully and not between card aggregate requirements.Owing to have employed elastic flange, make the present invention when being applied in the middle of concrete hopper, in overall structure, minimum spacing between elastic flange 5 and described concrete hopper 4,5 ~ 20mm spacing can be reduced to by the existing 40mm of being greater than spacing, thus the concrete in whole concrete hopper 4 can fully be stirred, and effectively can prevent buildup.
Particularly, when larger aggregate is stuck between stirring vane 2 and concrete hopper 4, elastic flange 5 just can produce distortion, and aggregate is passed through, and unlikely aggregate is stuck, causes the damage of hopper and agitating device.
In addition, the present invention also changes rigid contact relation when in the past simultaneously contacting between stirring vane, aggregate, hopper inwall, improves the service life of hopper.
Embodiment 2:
See Fig. 1, Fig. 2, Fig. 4 and Fig. 5, another kind of preferred embodiment of the present invention shown in it.The difference of the present embodiment and above-described embodiment is, described stirring vane 2 comprises at least the first stirring vane 21 and the second stirring vane 22 be arranged in pairs on shaft 3.Further, described elastic flange 5 is spaced indented ribs structure, as shown in Figure 4 and Figure 5.Preferably, the elastic flange 51 on described first stirring vane 21 and the gap, interval between the elastic flange 52 on the second stirring vane 22 and indented ribs are in spatial complementary position.More preferably, the gap, interval between described elastic flange is 25 ~ 40mm.
Particularly, the present embodiment arranges the resilient nonmetallic material (as polyurethane, abrasive rubber) of interruption (as zigzag or waveform etc.) at the outward flange of metal stirring vane 2, see Fig. 4 and Fig. 5, interruption spatial complementary on two blades, the gap, interval namely between two blades and indented ribs are in spatial complementary position relationship.
The operation principle of the present embodiment is: shaft 3 drives the first stirring vane 21 and the second stirring vane 22 to carry out in the process of stirring movement, spatially, be in the first stirring vane 21 elastic flange 51 and the second stirring vane 22 elastic flange 52 of complimentary positions relation, just complementarily fully can stir the concrete of surrounding.Therefore, this kind of structure of the present embodiment is preferred on the concrete pump product of the larger aggregate of the pumpings such as concrete pump.
In addition, stirring vane 2 of the present invention can also be made up of monoblock resilient nonmetallic material, is provided with metal reinforcement therein.Such as, stirring vane 2 (its outward flange can adopt continuous or discrete flanged structure) is made by the nonmetallic materials of monoblock, reinforce with metal material therein, the local stiffness of blade can be increased thus, realize goal of the invention of the present invention too.
Obviously, those of ordinary skill in the art, with a kind of elastic stirring blade for concrete hopper of the present invention, can form various types of rabbling mechanism.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (6)
1. the elastic stirring blade for concrete hopper, it is characterized in that: be provided with in described concrete hopper (4) and drive by stirring motor (1) shaft (3) rotated, described stirring vane (2) is arranged on shaft (3), and described stirring vane (2) is at least provided with elastic flange (5) on the outward flange towards described concrete hopper (4) side, described stirring vane (2) comprises and is arranged in pairs at least the first stirring vane (21) on shaft (3) and the second stirring vane (22), described elastic flange (5) is spaced indented ribs structure, elastic flange (51) on described first stirring vane (21) and the gap, interval between the elastic flange (52) on the second stirring vane (22) and indented ribs are in spatial complementary position.
2. the elastic stirring blade for concrete hopper according to claim 1, is characterized in that: the minimum spacing between described elastic flange (5) and described concrete hopper (4) is 5 ~ 20mm.
3. the elastic stirring blade for concrete hopper according to claim 2, is characterized in that: described elastic flange (5) is made up of resilient nonmetallic material.
4. the elastic stirring blade for concrete hopper according to claim 3, is characterized in that: described elastic flange (5) is made up of polyurethane or abrasive rubber.
5. the elastic stirring blade for concrete hopper according to claim 1 or 2 or 3, is characterized in that: the gap, interval between described elastic flange is 25 ~ 40mm.
6. the elastic stirring blade for concrete hopper according to claim 1 or 2 or 3, is characterized in that: described stirring vane (2) is made up of monoblock resilient nonmetallic material, is provided with metal reinforcement therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350660.9A CN103101112B (en) | 2011-11-09 | 2011-11-09 | A kind of elastic stirring blade for concrete hopper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350660.9A CN103101112B (en) | 2011-11-09 | 2011-11-09 | A kind of elastic stirring blade for concrete hopper |
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| CN103101112A CN103101112A (en) | 2013-05-15 |
| CN103101112B true CN103101112B (en) | 2015-12-23 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406993B (en) * | 2013-05-17 | 2016-01-13 | 北汽福田汽车股份有限公司 | Mixing arm, agitating device and mixer |
| CN109982558A (en) * | 2016-11-23 | 2019-07-05 | 富世华股份有限公司 | Roller for broadcast sowing machine assembly |
| CN110833782B (en) * | 2019-09-27 | 2022-03-22 | 中国一冶集团有限公司 | Stirring device and positive circulation drilling machine with same |
| CN112405844B (en) * | 2020-10-10 | 2022-02-08 | 中南大学 | Stirring mechanism and self-compacting concrete mixer for track traffic prefabricated slab |
| CN113580374B (en) * | 2021-08-02 | 2023-04-07 | 哈尔滨职业技术学院 | Concrete mixing device |
| CN115677865A (en) * | 2022-10-24 | 2023-02-03 | 福建美亚瑞新材料科技有限公司 | Preparation method of instant sodium carboxymethylcellulose |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202318572U (en) * | 2011-11-09 | 2012-07-11 | 徐工集团工程机械股份有限公司 | Novel elastic stirring blade for concrete hopper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229930A (en) * | 1995-02-24 | 1996-09-10 | Eisuke Nakajima | Hopper for ready-mixed concrete |
| CN200957636Y (en) * | 2006-01-23 | 2007-10-10 | 长沙中联重工科技发展股份有限公司 | Spiral agitator for asphalt concrete handcart |
| CN2895005Y (en) * | 2006-03-08 | 2007-05-02 | 中国国际海运集装箱(集团)股份有限公司 | Stirring device for concrete pumping equipment |
| CN201941083U (en) * | 2010-11-09 | 2011-08-24 | 三一重工股份有限公司 | Engineering machine and stirring device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202318572U (en) * | 2011-11-09 | 2012-07-11 | 徐工集团工程机械股份有限公司 | Novel elastic stirring blade for concrete hopper |
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Owner name: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20130729 |
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Effective date of registration: 20130729 Address after: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu, Xuzhou Applicant after: XCMG Schwing Machinery Co., Ltd. Address before: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Applicant before: XCMG Construction Machinery Co., Ltd. |
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