CN201291511Y - Longitudinal tube for cleaning apparatus of stirring machine, cleaning apparatus and concrete mixer - Google Patents

Longitudinal tube for cleaning apparatus of stirring machine, cleaning apparatus and concrete mixer Download PDF

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Publication number
CN201291511Y
CN201291511Y CNU2008201791700U CN200820179170U CN201291511Y CN 201291511 Y CN201291511 Y CN 201291511Y CN U2008201791700 U CNU2008201791700 U CN U2008201791700U CN 200820179170 U CN200820179170 U CN 200820179170U CN 201291511 Y CN201291511 Y CN 201291511Y
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China
Prior art keywords
tubule
longitudinal
water
cleaning device
longitudinal tubule
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Expired - Fee Related
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CNU2008201791700U
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Chinese (zh)
Inventor
黄向阳
代青龙
陈明林
谭学军
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Sany Heavy Industry Co Ltd
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Sany Heavy Industry Co Ltd
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  • Accessories For Mixers (AREA)

Abstract

The utility model discloses a longitudinal tubule for a concrete mixer cleaning device, and a concrete mixer cleaning device provided with such longitudinal tubule. A plurality of water outlet pipes extending in the same direction are installed on the longitudinal tubule; each water outlet pipe is provided with a water inlet and a water outlet; the sectional area of the water inlet is equal to or bigger than that of the water outlet; and in the longitudinal direction parallel to the centerline of the longitudinal tubule, the water outlet is wider than the water inlet. The utility model preferably adopts the technical proposal that: in the transverse direction, the water outlet is narrower than the water inlet; the water outlet of the water outlet pipe is rectangular; when the water current with pre-fixed pressure flows out of the water outlet, a fan-shaped water curtain can be formed in the longitudinal direction; and the water curtain can impact a mixing shaft and the mixing blades, so the residual concrete mixture can be cleared of in timely, thus reaching the purpose of cleaning the concrete mixer. The water provided by the concrete mixer cleaning device with such longitudinal tubule can be used as mixing water and can also be used for cleaning the concrete mixer, so the water is multifunctional.

Description

The longitudinal tubule (L tubule), cleaning device and the concrete mixer that are used for the mixer cleaning device
Technical field
The utility model relates to a kind of cleaning device, particularly relates to a kind of longitudinal tubule (L tubule) and concrete mixer cleaning device that is used for the mixer cleaning device, also relates to a kind of concrete mixer.
Background technology
Concrete mixer is that the cement of certain match ratio, sand, rubble (aggregate) and water etc. are mixed the machinery of making concrete mixture.Concrete mixer generally comprises cylinder body and lid, establishes shaft in the cylinder body, and shaft is provided with stirring vane, and cylinder body and lid form agitator.When production run, compounds such as the cement of proper fit ratio, sand, rubble (aggregate), water are poured in the agitator, and shaft drives the stirring vane rotation, and material is stirred, and forms concrete mixture.
For concrete mixer, particularly horizontal forced concrete mixer, feed intake and whipping process in, the cement in the agitator can be kicked up at agitator with dust form, cement dust runs into steam can be agglomerated to lid; In addition, after production is finished, can the residual concrete compound on cylinder body, shaft and stirring vane.Condense in the cement dust of lid and residual concrete mixture such as the untimely cleaning caking that can harden like this, be cemented on the concrete mixer, influence the concrete stirring efficiency, can influence carrying out smoothly of production when serious.
For in time, effectively clean residual concrete mixture and the dust that condenses, concrete mixer adopts low-pressure pump cleaning device and high-pressure hydraulic pump cleaning device usually, and low-pressure pump cleaning device cleaning performance is not good, high-pressure hydraulic pump cleaning device cost height.
Chinese patent literature CN 2529756Y discloses a kind of water spray dust arrester of concrete mixer, this device is located at the cap portion in the mixer agitator, comprise aqueduct and centrifugal energy nozzle, water-supply-pipe is communicated with the metering water tank of mixer by water pump, joins in the agitator by the water of centrifugal energy nozzle with predetermined ratio; Water through centrifugal energy nozzle is atomized into the tiny globule, sprays downwards with certain angle flue; The globule of atomizing can together fall into the dust absorption of kicking up in the agitator.
Though the water spray dust arrester that provides in the above-mentioned patent documentation can be removed the cement dust of part, also has following defective:
The first, in the above-mentioned prior art, a part of dust in the agitator can only be removed, the concrete mixture that remains on shaft or the stirring vane can not be in time cleaned.Shaft can be cemented in or/and on the stirring vane equally after the residual concrete mixture sclerosis; Fixed concrete is understood bonding more concrete mixture, influences the production efficiency of concrete mixer.
The second, because above-mentioned prior art can only be with the dust part absorption of kicking up; Feed intake or whipping process in, a part of dust can condense on lid inevitably, above-mentioned prior art can not be cleaned the dust that condenses on the lid.
The utility model content
At above-mentioned the deficiencies in the prior art, first purpose of the present utility model is, a kind of longitudinal tubule (L tubule) that is used for the mixer cleaning device is provided, so that the concrete mixer cleaning device can in time clean the concrete mixture that remains on shaft and the stirring vane.
On the basis that the above-mentioned longitudinal tubule (L tubule) that is used for the mixer cleaning device is provided, a kind of concrete mixer cleaning device also is provided and has had the concrete mixer of this cleaning device.
A plurality of identical outlet pipes of direction that stretch out are installed on the longitudinal tubule (L tubule) that is used for the mixer cleaning device that the utility model provides, and described outlet pipe comprises water inlet and delivery port, and the sectional area of described water inlet is not less than the sectional area of delivery port; Described water inlet communicates with the longitudinal tubule (L tubule) inner chamber; With longitudinal tubule (L tubule) on the longitudinal direction of line parallel, described delivery port width is greater than the width of water inlet.
Preferably, the delivery port cross section of described outlet pipe is the ellipse of line parallel in major axis and the longitudinal tubule (L tubule).
Preferably, the delivery port cross section of described outlet pipe is long limit and longitudinal tubule (L tubule) center line parallel rectangular.
Preferably, independent Conic nozzle is installed on the described longitudinal tubule (L tubule), described independent Conic nozzle stretch out direction and outlet pipe to stretch out direction identical.
Preferably, also comprise the threeway shower nozzle that is installed on the longitudinal tubule (L tubule), described threeway shower nozzle comprises two horizontal delivery ports, described two horizontal delivery ports stretch out with outlet pipe to stretch out direction vertical; On the described horizontal delivery port Conic nozzle is installed.
Preferably, to stretch out direction opposite for described two horizontal delivery ports.
Preferably, independent Conic nozzle and be installed in threeway shower nozzle near the longitudinal tubule (L tubule) end is installed on the described longitudinal tubule (L tubule); Described independent Conic nozzle stretches out direction and outlet pipe, and to stretch out direction identical; Described threeway shower nozzle comprises two horizontal delivery ports, and it is opposite that described two horizontal delivery ports stretch out direction, and with outlet pipe to stretch out direction vertical; On the described horizontal delivery port Conic nozzle is installed.
The concrete mixer cleaning device that provides comprises water tank and water-supply-pipe, and described water-supply-pipe comprises at least one longitudinal tubule (L tubule), and described longitudinal tubule (L tubule) communicates with water tank, and described longitudinal tubule (L tubule) is that above-mentioned any is used for the longitudinal tubule (L tubule) of mixer cleaning device.
Preferably, described water-supply-pipe comprises two described longitudinal tubule (L tubule)s; Also comprise a transverse tube; Described longitudinal tubule (L tubule) communicates with water tank, specifically is, an end of described two longitudinal tubule (L tubule)s communicates with the two ends of transverse tube respectively, and described transverse tube communicates with water tank; The other end sealing of described two longitudinal tubule (L tubule)s; Described transverse tube is provided with independent Conic nozzle, described independent Conic nozzle stretch out direction and longitudinal tubule (L tubule) outlet pipe to stretch out direction identical.
The concrete mixer that the utility model provides, comprise cylinder body, cylinder cap and cleaning device, comprise shaft in the described cylinder body, described cylinder body and cylinder cap form agitator, it is characterized in that described cleaning device is above-mentioned any concrete mixer cleaning device, described mixer cleaning device water-supply-pipe is installed in the agitator, described water-supply-pipe longitudinal tubule (L tubule) is positioned at the top of shaft, described outlet pipe to stretch out direction relative with shaft.
Compared with prior art, on the longitudinal tubule (L tubule) that is used for the mixer cleaning device that the utility model provides outlet pipe is installed, the sectional area of the water inlet of outlet pipe is not less than the sectional area of delivery port; With longitudinal tubule (L tubule) on the longitudinal direction of line parallel, the delivery port width of described outlet pipe is greater than the width of water inlet.A plurality of outlet pipe water outlets can keep total water yield of being scheduled to, make the longitudinal tubule (L tubule) inner chamber keep bigger pressure; Again because the sectional area of water inlet is not less than the sectional area of delivery port, make the speed of the current that flow out delivery port be not less than the flow velocity of water inlet, make the glassware for drinking water of outflow be equipped with corresponding impulsive force.Because the delivery port width is greater than the width of water inlet, according to the flowing law of fluid, the current that relevant pressure is arranged in a longitudinal direction, can form a fan-shaped water curtain after flowing out delivery port, and far away more apart from delivery port, water curtain is wide more; When on longitudinal tubule (L tubule), having a plurality of delivery port, can form a shock surface long, that possess respective impact power; When making delivery port relative with shaft, just can when rotating, shaft make whole shaft and all stirring vanes be subjected to the impact of water curtain, remain in shaft or/and the concrete mixture on the stirring vane thereby can in time clean.
In further technical scheme, the delivery port of outlet pipe is a rectangle, can guarantee to form the uniformity of water curtain; Simultaneously because water inlet be circular, and delivery port is a rectangle, and the water inlet sectional area is less than or equal to the delivery port sectional area, help hour at hydraulic pressure, the formation of fan-shaped water curtain improves the reliability of cleaning.
In further technical scheme, the installation threeway shower nozzle on longitudinal tubule (L tubule), described threeway shower nozzle comprises two horizontal delivery ports, it is opposite that described two horizontal delivery ports stretch out direction, and with outlet pipe to stretch out direction vertical; On the described horizontal delivery port Conic nozzle is installed; Because it is vertical that laterally delivery port direction and outlet pipe stretch out direction, thereby can spray water to cylinder body or lid both sides.Again owing on two delivery ports of threeway shower nozzle Conic nozzle is installed; Conic nozzle can spray water with helical form, form a bigger jeting area, water can be sprayed at the both sides of lid top and cylinder body, the dust that condenses on the lid can be washed away, and especially can in time clean the dust that condenses in the lid corner.
Possess above-mentioned technique effect owing to be used for the longitudinal tubule (L tubule) of mixer cleaning device, the concrete mixer cleaning device that has this longitudinal tubule (L tubule) that the utility model provides also possesses the corresponding techniques effect; Equally, the concrete mixer that has this cleaning device that the utility model provides also possesses the corresponding techniques effect.
The longitudinal tubule (L tubule) that is used for the mixer cleaning device that the utility model provides is applicable to the concrete mixer cleaning device, is specially adapted to concrete mixer.
Description of drawings
Fig. 1 is the side direction structural representation of the concrete mixer cleaning device that provides of the utility model:
Fig. 2 is the structural representation of looking up of the concrete mixer cleaning device that provides of the utility model;
Fig. 3 is an I-I part structure for amplifying schematic diagram among Fig. 1;
Fig. 4 is an A-A sectional structure schematic diagram among Fig. 3;
Fig. 4-the 1st, another embodiment outlet pipe cross section structure schematic diagram;
Fig. 5 is an II-II part structure for amplifying schematic diagram among Fig. 1;
Fig. 6 is an III-III part structure for amplifying schematic diagram among Fig. 2;
Fig. 7 be among Fig. 6 B to view;
Fig. 7-the 1st, another embodiment threeway nozzle structure schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.Should be understood that the description of this part only is exemplary and indicative, concrete word and description order should not have any qualification effect to protection domain of the present utility model.
When the concrete mixer cleaning device is described in detail, the longitudinal tubule (L tubule) that is used for the mixer cleaning device is described below; Succinct for what describe, the longitudinal tubule (L tubule) that is used for the mixer cleaning device is described no longer separately.
Embodiment one provides a kind of concrete mixer cleaning device, and this cleaning device is used to clean a kind of horizontal-type biaxial forced concrete mixer.In conjunction with Fig. 1 and Fig. 2, described cleaning device comprises metering water tank 1, water pump 2, transverse tube 14, two longitudinal tubule (L tubule)s 15; For convenience of description, also show concrete mixer cylinder body 13 and lid 11 among the figure, described cylinder body 13 and lid 11 are formed the agitator of concrete mixers.According to the ratio of concrete mixture, deposit the water of scheduled volume in the metering water tank 1; The water inlet of water pump 2 communicates with metering water tank 1, for transverse tube 14 and longitudinal tubule (L tubule) 15 provide water under high pressure; Described transverse tube 14 is provided with water inlet 14-1, and described water inlet 14-1 communicates with the delivery port of water pump 2, promptly communicates with metering water tank 1 by water pump 2; Described two longitudinal tubule (L tubule)s 15 are parallel respectively with two shafts of concrete mixer, and arrange the top of shaft; One end of two longitudinal tubule (L tubule)s 15 is connected with the two ends of transverse tube 14 respectively, and the other end of two longitudinal tubule (L tubule)s 15 seals by sealing device.
On each longitudinal tubule (L tubule) 15 outlet pipe 4 is installed, optimized technical scheme is that outlet pipe 4 evenly distributes.In conjunction with Fig. 3 and Fig. 4, described outlet pipe 4 comprises water inlet 41 and delivery port 42, and the sectional area of water inlet 41 is not less than the sectional area of delivery port 42, and in this example, the sectional area of water inlet 41 equals the sectional area of delivery port 42; Described water inlet 41 is installed on the longitudinal tubule (L tubule) 15 by pipe joint, communicates with the inner chamber of longitudinal tubule (L tubule) 15; The delivery port 42 of described outlet pipe 4 is long limit and longitudinal tubule (L tubule) 15 center line parallel rectangular mouths, and it is relative with the shaft of concrete mixer, with longitudinal tubule (L tubule) 15 on the longitudinal direction of line parallel, the width of delivery port 42 is greater than the width of water inlet 41, in a lateral direction, the width of described delivery port 42 is less than the width of water inlet 41.
In addition,, independently Conic nozzle 5 also is installed at the middle part and the transverse tube 14 of longitudinal tubule (L tubule) 15 as Fig. 1 and 2, independent Conic nozzle 5 to stretch out direction identical with outlet pipe 4.As shown in Figure 5, taper leaf head is made of spiral bar, under certain hydraulic pressure, can with spirality with water to around ejection, in certain circumference, evenly spray.
As Fig. 1 and 2, also be separately installed with threeway shower nozzle 6 at the two ends of two longitudinal tubule (L tubule)s 15; In conjunction with Fig. 2, Fig. 6 and Fig. 7, described threeway shower nozzle 6 comprises a water inlet 61 and two horizontal delivery ports 62, and water inlet 61 communicates with longitudinal tubule (L tubule) 15 inner chambers by pipe joint, and it is opposite that two horizontal delivery ports 62 stretch out direction, and with outlet pipe 4 to stretch out direction vertical, relative with cylinder wall 13; On described two delivery ports 62 Conic nozzle 63 is installed also, described Conic nozzle 63 is identical with independent Conic nozzle 5 structures, also can be to spraying current with helical form all around.
In working order, when the concrete mixer among the embodiment one carried out the concrete stirring, the cement of certain match ratio, sand, rubble (aggregate) dropped in the agitator, simultaneously, water pump 2 runnings are transported to the water in the metering water tank 1 in transverse tube 14 and the longitudinal tubule (L tubule) 15 with certain pressure; Water is ejected in the cylinder body by the delivery port 42 of outlet pipe 4; The water that flows out by independent Conic nozzle 5 sprays with helical form, spiral helicine current can be with the dust absorption of kicking up in the bigger scope, together fall in the cylinder body, a plurality of independent Conic nozzles 5 cooperatively interact and the dust of kicking up farthest can be adsorbed, thereby avoid dust on lid 11, to condense most possibly, also avoided the waste of materials such as cement, energy savings; Helical form current by two Conic nozzle 63 ejections on the threeway shower nozzle 6 can clean the dust that condenses on the lid 11, and the dust that washes is together fallen in the cylinder body 13 arriving the corner of lid 11 inner surfaces and lid 11.Stirring vane rotates with shaft, and after a period of time, the current in the metering water tank 1 are intact, and water and unclassified stores fully stir, mix the back and form concrete mixture.In the said process, the water that flows out from metering water tank 1 can adsorb the dust of kicking up on the one hand, and the dust that condenses on the lid 11 is washed away; Can be used as the concrete mixing water on the other hand, have multiple function.
Behind the concrete mixer end-of-job, need to clean lid 11, cylinder body 13, shaft and stirring vane.During cleaning, deposit corresponding water in the metering water tank 1, start water pump, the water in the metering water tank 1 flows out by the Conic nozzle 63 of outlet pipe 4, independent Conic nozzle 5 and threeway shower nozzle 6.
Current by independent Conic nozzle 5 and threeway shower nozzle 6 are identical with the concrete mixer duty, and its function is also identical, no longer repeats at this; Only the state and the function of outlet pipe 4 are described at this.
Owing to a plurality of outlet pipe 4 water outlet quantitative limitations, add the effect of water pump, can keep transverse tube 14 pressure predetermined with longitudinal tubule (L tubule) 15 inner chambers, make the current that flow out delivery port 42 possess corresponding impulsive force; Because the sectional area of water inlet 41 equates that with the sectional area of delivery port the flow velocity of delivery port 42 and water inlet 41 flow velocitys are basic identical, like this, the current that flow out delivery port 42 can keep corresponding impulsive force.Again because in a longitudinal direction, delivery port 42 width are greater than the width of water inlet 41, and according to the flowing law of fluid, High-Pressure Water can form a fan-shaped water curtain with parallel longitudinal after flowing out delivery port 42, and far away more apart from delivery port, water curtain is wide more; A plurality of delivery ports 42 on the longitudinal tubule (L tubule) 15 combine, and can form a long shock surface; And because delivery port 42 is relative with shaft, a plurality of delivery port 42 outer shock surfaces that form just can wash away whole shaft and all stirring vanes, remain in shaft or/and the concrete mixture on the stirring vane thereby can in time clean.
It will be appreciated by those skilled in the art that, the structure that forms fan-shaped water curtain is not limited to above-mentioned rectangle delivery port, as long as in a longitudinal direction, the width of delivery port 42 is greater than the width of water inlet 41, the sectional area of delivery port 42 is not more than the sectional area of delivery port, just can form fan-shaped water curtain; In addition, it will be understood by those skilled in the art that if in a lateral direction, the width of delivery port 42 is less than the width of water inlet 41, and the sectional area that makes water inlet 41 can increase the flow velocity of delivery port 42 water during greater than delivery port 42 sectional areas, improve impact force of water flow, improve cleaning performance.Therefore, according to technology enlightenment of the present utility model, those skilled in the art can also adopt more concrete structure to realize above-mentioned purpose.Such as water inlet can be a circular hole, also can be other shapes, and shown in Fig. 4-1, delivery port can be major axis elliptical aperture parallel with longitudinal direction or the like.The threeway shower nozzle also is not limited to above-mentioned structure in addition, as Fig. 7-1, also can comprise two angled horizontal delivery ports, two horizontal delivery ports are installed corresponding Conic nozzle again, as long as select suitable installation site and setting angle, just can reach on the cleaning lid and the purpose of the dust that condenses in the corner.
Because the cleaning device that the foregoing description one provides possesses above-mentioned technique effect, the concrete mixer that has this cleaning device also possesses the corresponding techniques effect, no longer repeats at this.
Above description is that example is described with the horizontal-type biaxial forced concrete mixer, it will be appreciated by those skilled in the art that, by selecting suitable mounting structure and installation site, the above-mentioned longitudinal tubule (L tubule) that is used for the mixer cleaning device can also be used for multiple concrete mixer is cleaned.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (10)

1, a kind of longitudinal tubule (L tubule) that is used for the mixer cleaning device is characterized in that, a plurality of identical outlet pipes of direction that stretch out are installed on the described longitudinal tubule (L tubule), and described outlet pipe comprises water inlet and delivery port, and the sectional area of described water inlet is not less than the sectional area of delivery port; Described water inlet communicates with the longitudinal tubule (L tubule) inner chamber; With longitudinal tubule (L tubule) on the longitudinal direction of line parallel, described delivery port width is greater than the width of water inlet.
2, the longitudinal tubule (L tubule) that is used for the mixer cleaning device according to claim 1 is characterized in that, the delivery port cross section of described outlet pipe is the ellipse of line parallel in major axis and the longitudinal tubule (L tubule).
3, the longitudinal tubule (L tubule) that is used for the mixer cleaning device according to claim 1 is characterized in that, the delivery port cross section of described outlet pipe is long limit and longitudinal tubule (L tubule) center line parallel rectangular.
4, according to each described longitudinal tubule (L tubule) that is used for the mixer cleaning device of claim 1-3, it is characterized in that, independent Conic nozzle be installed on the described longitudinal tubule (L tubule), described independent Conic nozzle stretch out direction and outlet pipe to stretch out direction identical.
5, according to each described longitudinal tubule (L tubule) that is used for the mixer cleaning device of claim 1-3, it is characterized in that, also comprise the threeway shower nozzle that is installed on the longitudinal tubule (L tubule), described threeway shower nozzle comprises two horizontal delivery ports, described two horizontal delivery ports stretch out with outlet pipe to stretch out direction vertical; On the described horizontal delivery port Conic nozzle is installed.
6, the longitudinal tubule (L tubule) that is used for the mixer cleaning device according to claim 5 is characterized in that, it is opposite that described two horizontal delivery ports stretch out direction.
7, according to each described longitudinal tubule (L tubule) that is used for the mixer cleaning device of claim 1-3, it is characterized in that,
Independent Conic nozzle is installed on the described longitudinal tubule (L tubule) and is installed in threeway shower nozzle near the longitudinal tubule (L tubule) end;
Described independent Conic nozzle stretches out direction and outlet pipe, and to stretch out direction identical; Described threeway shower nozzle comprises two horizontal delivery ports, and it is opposite that described two horizontal delivery ports stretch out direction, and with outlet pipe to stretch out direction vertical; On the described horizontal delivery port Conic nozzle is installed.
8, a kind of concrete mixer cleaning device, comprise water tank and water-supply-pipe, described water-supply-pipe comprises at least one longitudinal tubule (L tubule), and described longitudinal tubule (L tubule) communicates with water tank, it is characterized in that described longitudinal tubule (L tubule) is each described longitudinal tubule (L tubule) that is used for the mixer cleaning device of claim 1-7.
9, concrete mixer cleaning device according to claim 8 is characterized in that, described water-supply-pipe comprises two described longitudinal tubule (L tubule)s; Also comprise a transverse tube;
Described longitudinal tubule (L tubule) communicates with water tank, specifically is, an end of described two longitudinal tubule (L tubule)s communicates with the two ends of transverse tube respectively, and described transverse tube communicates with water tank; The other end sealing of described two longitudinal tubule (L tubule)s;
Described transverse tube is provided with independent Conic nozzle, described independent Conic nozzle stretch out direction and longitudinal tubule (L tubule) outlet pipe to stretch out direction identical.
10, a kind of concrete mixer, comprise cylinder body, cylinder cap and cleaning device, comprise shaft in the described cylinder body, described cylinder body and cylinder cap form agitator, it is characterized in that described cleaning device is claim 8 or 9 described concrete mixer cleaning devices, described mixer cleaning device water-supply-pipe is installed in the agitator, described water-supply-pipe longitudinal tubule (L tubule) is positioned at the top of shaft, described outlet pipe to stretch out direction relative with shaft.
CNU2008201791700U 2008-11-25 2008-11-25 Longitudinal tube for cleaning apparatus of stirring machine, cleaning apparatus and concrete mixer Expired - Fee Related CN201291511Y (en)

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CNU2008201791700U CN201291511Y (en) 2008-11-25 2008-11-25 Longitudinal tube for cleaning apparatus of stirring machine, cleaning apparatus and concrete mixer

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Application Number Priority Date Filing Date Title
CNU2008201791700U CN201291511Y (en) 2008-11-25 2008-11-25 Longitudinal tube for cleaning apparatus of stirring machine, cleaning apparatus and concrete mixer

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103302748A (en) * 2013-05-28 2013-09-18 芜湖精英新型建材有限公司 Slurry barrel structure for material distribution
CN104879297A (en) * 2015-06-08 2015-09-02 江苏龙腾鹏达机电有限公司 Aluminum alloy pump head for high-pressure cleaning machine
CN105522650A (en) * 2015-12-02 2016-04-27 李柳晶 Small concrete mixer
CN111251470A (en) * 2020-02-27 2020-06-09 泉州市佳创工业产品设计有限公司 Water injection mechanism for road construction cement mortar mixer
CN115090623A (en) * 2022-07-01 2022-09-23 中交路桥建设有限公司 Cleaning device and cleaning method for concrete pouring guide pipe

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103302748A (en) * 2013-05-28 2013-09-18 芜湖精英新型建材有限公司 Slurry barrel structure for material distribution
CN104879297A (en) * 2015-06-08 2015-09-02 江苏龙腾鹏达机电有限公司 Aluminum alloy pump head for high-pressure cleaning machine
CN104879297B (en) * 2015-06-08 2018-01-05 江苏龙腾鹏达机电有限公司 A kind of jetting machine aluminum alloy pump head
CN105522650A (en) * 2015-12-02 2016-04-27 李柳晶 Small concrete mixer
CN111251470A (en) * 2020-02-27 2020-06-09 泉州市佳创工业产品设计有限公司 Water injection mechanism for road construction cement mortar mixer
CN115090623A (en) * 2022-07-01 2022-09-23 中交路桥建设有限公司 Cleaning device and cleaning method for concrete pouring guide pipe

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090819

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CF01 Termination of patent right due to non-payment of annual fee