CN109016139B - Bridge construction stirring tank and using method thereof - Google Patents
Bridge construction stirring tank and using method thereof Download PDFInfo
- Publication number
- CN109016139B CN109016139B CN201810917893.4A CN201810917893A CN109016139B CN 109016139 B CN109016139 B CN 109016139B CN 201810917893 A CN201810917893 A CN 201810917893A CN 109016139 B CN109016139 B CN 109016139B
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- Prior art keywords
- stirring
- tank body
- stirring tank
- shell
- bridge construction
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- Expired - Fee Related
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/04—General arrangement or layout of plant the plant being mobile, e.g. mounted on a carriage or a set of carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
- B28C5/148—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis the stirrer shaft carrying a plurality of radially extending mixing bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
- Bridges Or Land Bridges (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a bridge construction stirring tank and a use method thereof, the stirring tank comprises a base and a stirring tank body, universal wheels are arranged at the bottom of the base, a support beam is fixedly connected at the top of the base through a spring, the stirring tank body comprises an upper shell, a middle shell and a lower shell, the upper shell, the middle shell and the lower shell are fixedly connected through bolts, a sealing ring is arranged at the joint of the upper shell, the middle shell and the lower shell, a motor is started to drive a scraper blade to rotate, the inner cavity wall of the stirring tank body is scraped and cleaned, the upper shell, the middle shell and the lower shell are fixedly connected through bolts, the stirring tank is convenient to assemble and disassemble, the transportation and the removal of old-year dirt after long-term use are convenient, a second stirring paddle is fixed on a second rotating rod through a fixing ring, the second stirring paddle can also be disassembled and replaced, the use is convenient, and the stirring tank has high practicability, the use functionality of this bridge construction agitator tank has been promoted greatly, guarantees its result of use, is fit for extensively promoting.
Description
Technical Field
The invention relates to the technical field of bridge construction stirring tanks, in particular to a bridge construction stirring tank and a using method thereof.
Background
At present, in the road and bridge construction process, a large amount of concrete is supplied through a mixing plant, but in many cases, only a small amount of concrete is needed, and at the moment, mixing and manufacturing are needed on site. Concrete mixing device just need be used to on-spot stirring concrete, however present concrete mixing device generally utilizes motor direct drive (mixing) shaft, stirs the concrete through the epaxial stirring leaf of stirring, and stirring speed is slow, and operating time is longer, and efficiency is not high.
Therefore, the existing patent with the application number of CN201120487162.4 discloses a concrete stirring device for bridge construction, which comprises a base, wherein a stirring tank is arranged on the base, the stirring tank is fixedly connected with a rotating shaft, the rotating shaft is connected with a power device for driving the rotating shaft to rotate, the axis of the stirring tank and a horizontal line form an included angle, and in a comparison document 1, the concrete stirring device is simple and compact in structure and low in manufacturing cost. 2. The base has reliable performance and is suitable for being used in bridge construction sites. 3. The lighting fixture of the present invention employs 4 bulbs. Sufficient brightness can be provided for lighting needs. 4. The stirring tank of the invention adopts the spiral stirring blade to enhance the stirring effect, but the problems in the comparison document are as follows: 1. uneven stirring and incomplete stirring; 2. after concrete mixing is completed, the concrete mixer needs to be manually cleaned by constructors, the cleaning is very troublesome, great difficulty is caused to the constructors, and the labor intensity of the constructors is increased.
Disclosure of Invention
The invention aims to provide a bridge construction stirring tank to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a bridge construction stirring tank comprises a base and a stirring tank body, wherein universal wheels are arranged at the bottom of the base, a supporting beam is fixedly connected to the top of the base through a spring, the stirring tank body comprises an upper shell, a middle shell and a lower shell, the upper shell, the middle shell and the lower shell are fixedly connected through bolts, a sealing ring is arranged at the joint of the upper shell and the middle shell, a supporting plate is fixedly arranged at the bottom of the lower shell, supporting legs are symmetrically arranged on the left side and the right side of the supporting plate, the top of the upper shell is connected with a supporting platform through a support, a water tank is arranged at the top of the supporting platform, a water pipe is arranged at the bottom of the water tank, a spray head is arranged at the bottom of the water pipe, a motor is further arranged in the middle of the top of the upper shell, the output end of the motor is connected with a first rotating rod through a coupler, and supporting rods are vertically connected to the two sides of the first rotating rod, the end part of the supporting rod is in threaded connection with a scraper, a first bevel gear penetrates through the bottom of the first rotating rod, second bevel gears are installed on the left side and the right side of the first bevel gear, and the other sides of the second bevel gears are fixedly connected with second rotating rods.
Preferably, the supporting legs are installed at the top of the supporting beam, and reinforcing angle plates are welded at the joints of the supporting plate and the stirring tank body.
Preferably, the two water pipes are provided with a liquid flowmeter and a manual valve, and penetrate through the supporting table to extend into the stirring tank body.
Preferably, the welding has first stirring rake on the first bull stick, first stirring rake is the heliciform setting.
Preferably, the scraper blade is arc-shaped, and the scraper blade is evenly provided with anti-skidding lines.
Preferably, the tip of second bull stick is equipped with the bearing with the inner chamber wall connection and the junction of casing down, even second stirring rake that is provided with on the second bull stick, the second stirring rake is fixed on the second bull stick through solid fixed ring, just second stirring rake annular distribution is on solid fixed ring, gu fixed ring passes through screw fixed connection on the second bull stick.
Preferably, the top right side of going up the casing is equipped with the feed inlet, the bottom of casing is equipped with the discharge gate down, just the discharge gate slope sets up.
A using method of a bridge construction stirring tank comprises the following operation steps:
s1: feeding, namely adding concrete into an inner cavity of the stirring tank body from a feeding hole, and opening a manual valve to add water into the stirring tank body;
s2: stirring, wherein a motor is started to drive a first stirring paddle and a second stirring paddle to stir the concrete in the inner cavity of the stirring tank body;
s3: cleaning the tank body, collecting materials through a discharge hole after stirring is finished, and opening a manual valve to enable the materials in the water tank to flow into the stirring tank body for cleaning;
s4: and (4) draining, and discharging the wastewater from a discharge hole after the cleaning is finished.
S5: and (4) placing the device, and moving the device to other places through the universal wheels after finishing placing.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a bridge construction stirring tank and a using method thereof, wherein materials are added into a stirring tank body through a feed inlet, a manual valve is opened according to the material quantity to add water into the stirring tank body, the added water quantity is controlled through a liquid flow meter, a motor is started to drive a first stirring paddle on a first rotating rod to rotate so as to stir, the first bevel gear and a second bevel gear are driven to rotate through the arrangement of gear meshing connection between the first bevel gear and the second bevel gear, so that a second stirring paddle on a second rotating rod is driven to rotate conveniently, the first stirring paddle is arranged spirally, when the first stirring paddle conveys concrete in the stirring tank body from top to bottom, the concrete conveyed to the lower part is stirred by the second stirring paddle, so that the stirring is more uniform and sufficient, after the stirring is finished, the stirring tank body is cleaned, the valve is opened again to inject water into the stirring tank body, the starter motor, thereby drive the scraper blade and rotate, strike off the cleanness to the inner chamber wall of agitator tank body, will go up the casing through the bolt, middle casing and casing fixed connection down, convenient equipment and dismantlement, be convenient for transport, it dismantles the clearance to old dirt after being convenient for use for a long time, the second stirring rake passes through solid fixed ring to be fixed on the second bull stick, the change also can be dismantled to the second stirring rake, high durability and convenient use have, the service function nature of this kind of bridge construction agitator tank has been promoted greatly, guarantee its result of use and result of use, and the novel electric stirring agitator tank is suitable for wide popularization.
Drawings
FIG. 1 is a schematic structural diagram of a bridge construction agitator tank according to the present invention;
FIG. 2 is a schematic view of a connection structure of a first bevel gear and a second bevel gear of the stirring tank for bridge construction according to the invention;
FIG. 3 is an enlarged schematic structural view of a position A of the stirring tank for bridge construction according to the present invention;
FIG. 4 is a schematic diagram of a scraper structure of the stirring tank for bridge construction.
In the figure: the stirring tank comprises a base 1, universal wheels 2, springs 3, supporting beams 4, a stirring tank body 5, an upper shell 51, a middle shell 52, a lower shell 53, a support 6, a supporting platform 7, a water tank 8, a water pipe 9, a liquid flow meter 10, a manual valve 11, a motor 12, a first rotating rod 13, a first stirring paddle 14, a supporting rod 15, a scraper 16, a first bevel gear 17, a second bevel gear 18, a second rotating rod 19, a second stirring paddle 20, anti-skid threads 21, a supporting plate 22, supporting legs 23, reinforcing angle plates 24, a feeding hole 25, a discharging hole 26, a fixing ring 27 and screws 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a bridge construction agitator tank comprises a base 1 and an agitator tank body 5, wherein universal wheels 2 are arranged at the bottom of the base 1, a support beam 4 is fixedly connected to the top of the base 1 through a spring 3, the agitator tank body 5 comprises an upper shell 51, a middle shell 52 and a lower shell 53, the upper shell 51, the middle shell 52 and the lower shell 53 are fixedly connected through bolts, and sealing rings are arranged at the joints, a support plate 22 is fixedly arranged at the bottom of the lower shell 53, support legs 23 are symmetrically arranged on the left side and the right side of the support plate 22, a support table 7 is connected to the top of the upper shell 51 through a support 6, a water tank 8 is arranged at the top of the support table 7, a water pipe 9 is arranged at the bottom of the water tank 8, a spray head is arranged at the bottom of the water pipe 9, a motor 12 is further arranged in the middle of the top of the upper shell 51, and the output end of the motor 12 is connected with a first rotating rod 13 through a coupling, the two sides of the first rotating rod 13 are vertically connected with supporting rods 15, the end part of each supporting rod 15 is in threaded connection with a scraper 16, a first bevel gear 17 penetrates through the bottom of the first rotating rod 13, second bevel gears 18 are mounted on the left side and the right side of the first bevel gear 17, and the other sides of the second bevel gears 18 are fixedly connected with second rotating rods 19.
Specifically, the supporting legs 23 are mounted on the top of the supporting beam 4, and reinforcing angle plates 24 are welded at the joints of the supporting plate 22 and the stirring tank body 5.
Specifically, two water pipes 9 are provided with a liquid flowmeter 10 and a manual valve 11, and the two water pipes 9 penetrate through the support table 7 and extend into the stirring tank body 5.
Specifically, first stirring rake 14 has been welded on first bull stick 13, first stirring rake 14 is the heliciform setting.
Specifically, the scraper 16 is arranged in an arc shape, and the scraper 16 is uniformly provided with anti-skid grains 21.
Specifically, the tip of second bull stick 19 is equipped with the bearing with the inner chamber wall connection and the junction of casing 53 down, even second stirring rake 20 that is provided with on the second bull stick 19, second stirring rake 20 is fixed on second bull stick 19 through solid fixed ring 27, just second stirring rake 20 annular distribution is on solid fixed ring 27, gu fixed ring 27 passes through screw 28 fixed connection on second bull stick 19.
Specifically, the top right side of the upper shell 51 is provided with a feeding hole 25, the bottom of the lower shell 53 is provided with a discharging hole 26, and the discharging hole 26 is obliquely arranged.
A using method of a bridge construction stirring tank comprises the following operation steps:
s1: feeding, namely adding concrete into the inner cavity of the stirring tank body 5 from the feeding hole 25, and opening the manual valve 11 to add water into the stirring tank body 5;
s2: stirring, starting the motor 12, and driving the first stirring paddle 14 and the second stirring paddle 20 to stir the concrete in the inner cavity of the stirring tank body 5;
s3: cleaning the tank body, after the stirring is finished, collecting the materials through the discharge hole 26, and simultaneously opening the manual valve 11 to enable the materials in the water tank 8 to flow into the stirring tank body 5 for cleaning;
s4: and discharging water, and discharging the wastewater from a discharge hole 26 after the cleaning.
S5: and (5) placing the device, and moving the device to other places through the universal wheels 2 after finishing.
The working principle is as follows: the invention relates to a bridge construction stirring tank and a using method thereof, when in use, materials are added into a stirring tank body 5 through a feed port 25, a manual valve 11 is opened according to the material quantity to add water into the stirring tank body 5, the added water quantity is controlled through a liquid flowmeter 10, a motor 12 is started to drive a first stirring paddle 14 on a first rotating rod 13 to rotate so as to stir, the first bevel gear 17 and a second bevel gear 18 are driven to rotate through the arrangement of gear meshing connection between the first bevel gear 17 and the second bevel gear 18 so as to drive a second stirring paddle 20 on a second rotating rod 19 to rotate, the first stirring paddle 14 is spirally arranged, when the first stirring paddle 14 conveys concrete in the stirring tank body 5 from top to bottom, the concrete conveyed to the lower part is stirred through the second stirring paddle 20, so that the stirring is more uniform and sufficient, after the stirring, it is clean to agitator tank body 5, open manual valve 11 again and to water injection in the agitator tank body 5, starter motor 12, thereby drive scraper blade 16 and rotate, strike off the cleanness to the inner chamber wall of agitator tank body 5, will go up casing 51 through the bolt, middle casing 52 and casing 53 fixed connection down, convenient equipment and dismantlement, the transportation of being convenient for, dismantle the clearance to old-year dirt after being convenient for use for a long time, second stirring rake 20 is fixed on second bull stick 19 through solid fixed ring 27, second stirring rake 20 also can be dismantled and change, high durability and convenient use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a bridge construction agitator tank, includes base (1) and agitator tank body (5), its characterized in that: the bottom of the base (1) is provided with universal wheels (2), the top of the base (1) is fixedly connected with a supporting beam (4) through a spring (3), the stirring tank body (5) comprises an upper shell (51), a middle shell (52) and a lower shell (53), the upper shell (51), the middle shell (52) and the lower shell (53) are fixedly connected through bolts, and sealing rings are arranged at the joints, a supporting plate (22) is fixedly installed at the bottom of the lower shell (53), supporting legs (23) are symmetrically arranged on the left side and the right side of the supporting plate (22), the top of the upper shell (51) is connected with a supporting table (7) through a support (6), the top of the supporting table (7) is provided with a water tank (8), the bottom of the water tank (8) is provided with a water pipe (9), and the bottom of the water pipe (9) is provided with a spray head, the middle of the top of the upper shell (51) is also provided with a motor (12), the output end of the motor (12) is connected with a first rotating rod (13) through a coupler, a first stirring paddle (14) is welded on the first rotating rod (13), and the first stirring paddle (14) is spirally arranged; the two sides of the first rotating rod (13) are both vertically connected with supporting rods (15), the end part of each supporting rod (15) is in threaded connection with a scraper (16), the scrapers (16) are arranged in an arc shape, and anti-skid grains (21) are uniformly arranged on the scrapers (16); a first bevel gear (17) penetrates through the bottom of the first rotating rod (13), second bevel gears (18) are mounted on the left side and the right side of the first bevel gear (17), and second rotating rods (19) are fixedly connected to the other sides of the two second bevel gears (18); the tip of second bull stick (19) is equipped with the bearing with the inner chamber wall connection and the junction of casing (53) down, the even second stirring rake (20) that is provided with on second bull stick (19), second stirring rake (20) are fixed on second bull stick (19) through solid fixed ring (27), just second stirring rake (20) annular distribution is on solid fixed ring (27), gu fixed ring (27) pass through screw (28) fixed connection on second bull stick (19).
2. The bridge construction agitator tank of claim 1, wherein: the supporting legs (23) are mounted at the top of the supporting beam (4), and reinforcing angle plates (24) are welded at the connecting positions of the supporting plate (22) and the stirring tank body (5).
3. The bridge construction agitator tank of claim 1, wherein: and the two water pipes (9) are provided with a liquid flowmeter (10) and a manual valve (11), and the two water pipes (9) penetrate through the supporting platform (7) and extend into the stirring tank body (5).
4. The bridge construction agitator tank of claim 1, wherein: the top right side of going up casing (51) is equipped with feed inlet (25), the bottom of lower casing (53) is equipped with discharge gate (26), just discharge gate (26) slope sets up.
5. The use method of the bridge construction stirring tank as recited in claim 1, characterized in that: the method comprises the following operation steps:
s1: feeding, namely adding concrete into the inner cavity of the stirring tank body (5) from the feeding hole (25), and opening the manual valve (11) to add water into the stirring tank body (5);
s2: stirring, starting a motor (12) to drive a first stirring paddle (14) and a second stirring paddle (20) to stir the concrete in the inner cavity of the stirring tank body (5);
s3: cleaning the tank body, after stirring is finished, collecting materials through a discharge hole (26), and simultaneously opening a manual valve (11) to enable the materials in the water tank (8) to flow into the stirring tank body (5) for cleaning;
s4: draining, namely draining the wastewater from a discharge hole (26) after the cleaning is finished;
s5: and (5) placing the device, and moving the device to other places through the universal wheels (2) after the device is placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917893.4A CN109016139B (en) | 2018-08-13 | 2018-08-13 | Bridge construction stirring tank and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917893.4A CN109016139B (en) | 2018-08-13 | 2018-08-13 | Bridge construction stirring tank and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109016139A CN109016139A (en) | 2018-12-18 |
| CN109016139B true CN109016139B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810917893.4A Expired - Fee Related CN109016139B (en) | 2018-08-13 | 2018-08-13 | Bridge construction stirring tank and using method thereof |
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| Country | Link |
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| CN (1) | CN109016139B (en) |
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| CN109778659A (en) * | 2019-03-27 | 2019-05-21 | 温州富强建筑工程有限公司 | A kind of dedicated scoring equipment of municipal works |
| CN110253756B (en) * | 2019-06-26 | 2020-11-20 | 宿州大地网络科技有限公司 | Efficient material machine for construction machinery engineering |
| CN111873188A (en) * | 2020-08-06 | 2020-11-03 | 巢湖市新宇电力器材销售有限责任公司 | Mould feeding equipment is used in production of concrete electric wire pole |
| CN112622036A (en) * | 2020-10-27 | 2021-04-09 | 江苏天沃重工科技有限公司 | Vertical grading dry-mixed sand stirring device |
| CN112549295B (en) * | 2020-12-24 | 2022-03-22 | 周兵华 | An automatic production device for concrete production |
| CN112705100A (en) * | 2021-01-08 | 2021-04-27 | 安顺御茶村茶业有限责任公司 | Raw material mixing machine is used in matcha processing |
| CN112936591A (en) * | 2021-01-26 | 2021-06-11 | 中铁二十局集团市政工程有限公司 | Vertical stirring machine for building and stirring method |
| CN113087483A (en) * | 2021-04-16 | 2021-07-09 | 倪少瑜 | Low-shrinkage low-viscosity high-strength concrete and preparation method thereof |
| CN113199637A (en) * | 2021-05-20 | 2021-08-03 | 贵州涟江源建材有限公司 | Building concrete preparation equipment and working method thereof |
| CN114849554A (en) * | 2022-03-18 | 2022-08-05 | 浙江万吉建设有限公司 | Agitating unit for construction |
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| CN114619562A (en) * | 2022-04-18 | 2022-06-14 | 巢湖市歧阳新型建材有限公司 | Ageing device is used in production of environmental protection hollow brick |
| CN119969038B (en) * | 2025-03-28 | 2025-10-03 | 山东锐翔航空科技有限公司 | Agricultural unmanned aerial vehicle fertilizer granule throwing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB327250A (en) * | 1929-02-05 | 1930-04-03 | Kristian Hindhede | A transport device for mixed concrete |
| CN204673796U (en) * | 2015-05-30 | 2015-09-30 | 蔡宝塔 | A kind of concrete cleans mixer automatically |
| CN106863600A (en) * | 2015-12-14 | 2017-06-20 | 重庆尚尚科技有限公司 | A kind of three-dimensional concrete mixer |
| CN206085329U (en) * | 2016-06-22 | 2017-04-12 | 南京汪海混凝土有限公司 | Concrete mixer feeding device |
| CN205804190U (en) * | 2016-07-07 | 2016-12-14 | 青岛亿联集团股份有限公司 | A kind of travelling bridge for the guardrail construction that builds a bridge |
| CN206812214U (en) * | 2017-05-09 | 2017-12-29 | 河南金厦智能装配建筑科技有限公司 | A kind of concrete mixer for being classified stirring |
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2018
- 2018-08-13 CN CN201810917893.4A patent/CN109016139B/en not_active Expired - Fee Related
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| CN109016139A (en) | 2018-12-18 |
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Granted publication date: 20211130 |