CN113894934B - Thermal insulation transportation method for tropical concrete - Google Patents
Thermal insulation transportation method for tropical concrete Download PDFInfo
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- CN113894934B CN113894934B CN202111204372.2A CN202111204372A CN113894934B CN 113894934 B CN113894934 B CN 113894934B CN 202111204372 A CN202111204372 A CN 202111204372A CN 113894934 B CN113894934 B CN 113894934B
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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
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
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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
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
-
- 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
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4268—Drums, e.g. provided with non-rotary mixing blades
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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
- B28C5/46—Arrangements for applying super- or sub-atmospheric pressure during mixing; Arrangements for cooling or heating during mixing, e.g. by introducing vapour
- B28C5/466—Heating, e.g. using steam
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The embodiment of the invention provides a tropical concrete heat-preservation transportation method, which comprises the following steps: loading concrete to be stirred into a concrete stirring tank, and starting a driving device to enable the concrete stirring tank to rotate slowly; starting a refrigerating device in the water storage container to cool water, and simultaneously starting a water pump to supply water from a water outlet pipe to an interlayer between a heat preservation wall and a cylinder wall outside the concrete stirring tank; when the water level in the interlayer reaches a preset height, the supporting height of the roller at the lower part of the concrete stirring tank is adjusted, so that the rubber layer at the end part of the steel rod can be deformed and opened through the support of the roller in the rotating process of the concrete stirring tank; the water flow is conveyed back to the water storage container through the water receiving port and the water return pipe; the invention realizes the cooling of the cylinder wall and effectively prevents external high temperature from entering the concrete mixing tank, thereby ensuring that the internal concrete is kept at a proper temperature in the conveying process of the concrete mixing truck.
Description
Technical Field
The invention relates to the technical field of concrete construction, in particular to a tropical concrete heat-preservation transportation method.
Background
Concrete generally needs to be transported through a concrete mixer truck, but under tropical high-temperature conditions, the temperature inside the concrete truck is usually higher than the outdoor temperature, so that the quality of the concrete is reduced, the construction quality is further reduced, and the concrete is difficult to pass the acceptance.
Disclosure of Invention
In view of the technical problems, the embodiment of the invention provides a tropical concrete heat preservation transportation method, which solves the problem that the quality of concrete is affected by high temperature in the transportation process of a concrete mixer truck.
A tropical concrete heat preservation transportation method uses concrete transportation equipment, and comprises the following steps:
the frame base is used for bearing the concrete stirring tank, and a driving device and a rolling bracket are arranged on the frame base;
one end of the concrete mixing tank is connected with the driving device, and the other end of the concrete mixing tank is jacked and supported by the rolling support; the concrete mixing tank comprises a first conical cylinder section, a cylinder section and a second conical cylinder section, wherein the first conical cylinder section is close to the driving device, and the second conical cylinder section is close to the rolling support;
wherein: the outer parts of the cylinder walls of all the first conical cylinder sections, all the cylinder sections and part of the second conical cylinder sections are provided with heat-insulating walls, and gaps are formed between the heat-insulating walls and the cylinder walls to allow water to be reserved in the gaps;
the heat insulation walls of the cylindrical section and the second cylindrical section are metal walls, and a plurality of spiral toothed plates are uniformly arranged between the metal walls and the cylindrical wall to form a spiral channel between the metal walls and the cylindrical wall;
the heat-insulating wall of the first conical cylinder section is a rubber wall, and the rubber wall is connected with the metal wall in a sealing manner;
the section of thick bamboo wall bottom circumference at first awl section of thick bamboo is equipped with annular backup pad, makes section of thick bamboo wall and rubber wall form sealing connection at the bottom through the backup pad, wherein adopts the connection that can open between rubber wall and the backup pad: when the valve is opened, the valve is used as a water outlet, and when the valve is closed, the valve plays a sealing role;
the roller capable of lifting is arranged on the frame base, and the roller is supported in the middle of the rubber wall and can press the rubber wall to deform;
a support ring is arranged on the inner side of the middle part of the rubber wall between the support part and the bottom end of the roller wheel, and the support ring is supported on the cylinder wall by support pieces arranged at intervals; the rubber wall at the outer side of the support ring is internally provided with axially arranged steel rods, and the steel rods are connected with the support ring in a non-fixed mode, so that the steel rods can swing slightly relative to the support ring; one end of the steel rod extends to the edge of the rubber wall, and the other end of the steel rod extends to the area supported by the roller wheel, so that the roller wheel can force one end of the steel rod to move inwards and the other end of the steel rod to move outwards, and the rubber wall at the other end of the steel rod deforms downwards to form an opening;
a strip-shaped water receiving opening is formed in the lower portion of the bottom end of the rubber wall, the water receiving opening is communicated to a water storage container below the second conical barrel section through a water return pipe, and a refrigerating device is arranged inside the water storage container and used for cooling water inside the water storage container;
the water storage container is provided with a water outlet pipe, a pipe orifice of the water outlet pipe is inserted between the cylinder wall and the opening at the end part of the metal wall, an annular first rubber strip is arranged outside the cylinder wall, an annular second rubber strip is arranged at the end part of the metal wall, the first rubber strip and the second rubber strip are connected in an overlapping mode and are blocked, and a pipe orifice of the water outlet pipe is inserted between the first rubber strip and the second rubber strip;
the tropical concrete heat preservation transportation method comprises the following steps: loading concrete to be stirred into a concrete stirring tank, and starting a driving device to enable the concrete stirring tank to rotate slowly;
starting a refrigerating device in the water storage container to cool water, and simultaneously starting a water pump to supply water from a water outlet pipe to an interlayer between a heat preservation wall and a cylinder wall outside the concrete stirring tank;
when the water level in the interlayer reaches a preset height, the supporting height of the roller at the lower part of the concrete stirring tank is adjusted, so that the rubber layer at the end part of the steel rod can be deformed and opened through the support of the roller in the rotating process of the concrete stirring tank;
the water flow is conveyed back to the water storage container through the water receiving port and the water return pipe.
The pipe orifice of the water outlet pipe is arc-shaped and matched with the opening.
The steel rod is arranged in the rubber wall in an embedding mode.
And an elastic reset device is arranged between one end of the steel rod at the supporting position of the roller and the cylinder wall.
The lower part of the roller is arranged on the sliding block, the sliding block is arranged in the vertical guide groove, and the lower part of the sliding block is connected with the height adjusting mechanism.
The height adjusting mechanism is an air cylinder or a screw nut.
The distance between the spiral toothed plates positioned in the cylindrical section is greater than that between the spiral toothed plates positioned in the second cylindrical section, so that the density of the spiral toothed plates in the second cylindrical section is greater, and the spiral toothed plate structural arrangement with the greater density is adopted because the inclination of the second cylindrical section is greater, so that the delaying effect on water flow is greater.
According to the invention, through a set of cooling system and the heat-insulating wall structure arranged on the concrete mixing tank, the temperature of the wall of the tank is reduced, and external high temperature is effectively prevented from entering the concrete mixing tank, so that the internal concrete is kept at a proper temperature in the conveying process of the concrete mixing truck.
Drawings
The invention may be better understood from the following description of specific embodiments thereof taken in conjunction with the accompanying drawings, in which:
other features, objects and advantages of the invention will become apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings in which like or similar reference characters refer to the same or similar parts.
Fig. 1 is a schematic external structural view of concrete heat-preservation transportation equipment provided by an embodiment of the invention.
Fig. 2 is a schematic view of the internal structure of the concrete heat-preservation transportation equipment provided by the embodiment of the invention.
In the figure:
10. a frame base; 11. a drive device; 12. a rolling support; 13. a roller; 14. a water receiving port; 15. a water return pipe; 16. a water storage container; 17. a water outlet pipe;
20. a concrete mixing tank; 21. a first conical section; 22. a cylinder section; 23. a second conical section; 24. a heat-insulating wall; 25. a helical toothed plate; 26. a support ring; 27. a support member; 28. a steel rod;
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. The present invention is in no way limited to any specific configuration and algorithm set forth below, but rather covers any modification, replacement or improvement of elements, components or algorithms without departing from the spirit of the invention. In the following description, well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present invention.
Example embodiments will now be described with reference to the accompanying drawings, which may be embodied in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
As shown in fig. 1-2, the invention provides a tropical concrete heat preservation transportation method, which comprises the following steps:
the frame base 10 is used for bearing the concrete mixing tank 20, and a driving device 11 and a rolling bracket 12 are arranged on the frame base;
one end of the concrete mixing tank 20 is connected with the driving device 11, and the other end is jacked and supported by the rolling support 12; the concrete mixing tank 20 comprises a first conical cylinder section 21, a cylinder section 22 and a second conical cylinder section 23, wherein the first conical cylinder section 21 is close to the driving device 11, and the second conical cylinder section 23 is close to the rolling bracket 12;
wherein: an insulating wall 24 is arranged outside the cylinder wall of all the first conical cylinder section 21, all the cylindrical cylinder section 22 and part of the second conical cylinder section 23, and a gap is formed between the insulating wall 24 and the cylinder wall to allow water to be reserved in the gap;
the heat-insulating walls of the cylindrical section 22 and the second cylindrical section 23 are metal walls, and a plurality of spiral toothed plates 25 are uniformly arranged between the metal walls and the cylindrical wall to form a spiral channel between the metal walls and the cylindrical wall;
the heat preservation wall of the first conical cylinder section 21 is a rubber wall, and the rubber wall is connected with the metal wall in a sealing manner;
through an interlayer formed between the metal wall and the cylinder wall, a stable supporting effect is formed, the spiral toothed plate 25 arranged in the concrete mixing tank can connect the metal wall and the cylinder wall, and in the rotating process of the concrete mixing tank, water flow slowly flows downwards along the spiral shape in a channel formed by the spiral toothed plate 25, so that the speed of the water flow flowing downwards along the interlayer of the concrete mixing tank is greatly delayed;
an annular supporting plate 26 is circumferentially arranged at the bottom of the cylinder wall of the first conical cylinder section, the cylinder wall and the rubber wall form a sealing connection at the bottom end through the supporting plate 26, wherein the rubber wall and the supporting plate are connected in an openable mode: when the valve is opened, the valve is used as a water outlet, and when the valve is closed, the valve plays a sealing role;
a roller 13 capable of lifting is arranged on the frame base 10, the roller 13 is supported in the middle of the rubber wall and can press the rubber wall to deform;
a support ring 27 is arranged on the inner side of the middle part of the rubber wall between the supporting position and the bottom end of the roller 13, and the support ring 27 is supported on the cylinder wall by supporting pieces 28 arranged at intervals; the rubber wall on the outer side of the support ring is internally provided with steel rods which are axially arranged, and the steel rods are connected with the support ring in a non-fixed mode, so that the steel rods can swing in a small range relative to the support ring; wherein one end of the steel rod extends to the edge of the rubber wall, and the other end extends to the region supported by the roller, so that the roller can force one end of the steel rod 28 to displace inwards and the other end to displace outwards, and the rubber wall at the other end is deformed downwards to form an opening;
a strip-shaped water receiving opening 14 is arranged below the bottom end of the rubber wall, the water receiving opening 14 is communicated to a water storage container 16 below the second conical barrel section through a water return pipe 15, and a refrigerating device is arranged inside the water storage container 16 and used for cooling water inside the water storage container;
the water storage container 16 is provided with a water outlet pipe 17, the pipe orifice of the water outlet pipe 17 is inserted between the cylinder wall and the opening at the end part of the metal wall, an annular first rubber strip is arranged outside the cylinder wall, an annular second rubber strip is arranged at the end part of the metal wall, the first rubber strip and the second rubber strip are connected in an overlapping mode and are blocked, and the pipe orifice of the water outlet pipe is inserted between the first rubber strip and the second rubber strip. Because the two rubber strips can deform elastically, the water outlet pipe can be inserted between the two rubber strips to enable the two rubber strips to deform elastically, the position of the water outlet pipe is fixed, when the concrete mixing tank rotates slowly, the connection position of the two rubber strips and the water outlet pipe is also changed continuously, and after the two rubber strips are separated from the connection with the water outlet pipe, the rubber strips can restore the original shape through the elasticity of the rubber strips, so that the sealing is realized, and the water vapor in the interlayer is prevented from leaking;
the tropical concrete heat preservation transportation method comprises the following steps: loading concrete to be stirred into a concrete stirring tank, and starting a driving device to enable the concrete stirring tank to rotate slowly;
starting a refrigerating device in the water storage container to cool water, and simultaneously starting a water pump to supply water from a water outlet pipe to an interlayer between a heat preservation wall and a cylinder wall outside the concrete stirring tank;
when the water level in the interlayer reaches a preset height, the supporting height of the roller at the lower part of the concrete stirring tank is adjusted, so that the rubber layer at the end part of the steel rod can be deformed and opened through the support of the roller in the rotating process of the concrete stirring tank;
the water flow is conveyed back to the water storage container through the water receiving port and the water return pipe.
The pipe orifice of the water outlet pipe is arc-shaped and matched with the opening.
The steel rod is arranged in the rubber wall in an embedding mode.
And an elastic reset device is arranged between one end of the steel rod at the supporting position of the roller and the cylinder wall.
The lower part of the roller is arranged on the sliding block, the sliding block is arranged in the vertical guide groove, and the lower part of the sliding block is connected with the height adjusting mechanism.
The height adjusting mechanism is an air cylinder or a screw nut.
The distance between the spiral toothed plates positioned in the cylindrical section is greater than that between the spiral toothed plates positioned in the second cylindrical section, so that the density of the spiral toothed plates in the second cylindrical section is greater, and the spiral toothed plate structural arrangement with the greater density is adopted because the inclination of the second cylindrical section is greater, so that the delaying effect on water flow is greater.
According to the invention, through a set of cooling system and the heat-insulating wall structure arranged on the concrete mixing tank, the temperature of the wall of the tank is reduced, and external high temperature is effectively prevented from entering the concrete mixing tank, so that the internal concrete is kept at a proper temperature in the conveying process of the concrete mixing truck.
It should be understood by those skilled in the art that the above embodiments are illustrative and not restrictive. Different features which are present in different embodiments may be combined to advantage. Other variations to the disclosed embodiments can be understood and effected by those skilled in the art upon studying the specification and the claims. In the claims, the term "comprising" does not exclude other means or steps; the indefinite article "a" does not exclude a plurality; the terms "first" and "second" are used to denote a name and not to denote any particular order.
Claims (7)
1. A tropical concrete heat preservation transportation method, which uses concrete transportation equipment,
the concrete transportation equipment includes:
the frame base is used for bearing the concrete mixing tank and is provided with a driving device and a rolling bracket;
one end of the concrete mixing tank is connected with the driving device, and the other end of the concrete mixing tank is jacked and supported by the rolling support; the concrete mixing tank comprises a first conical cylinder section, a cylinder section and a second conical cylinder section, wherein the first conical cylinder section is close to the driving device, and the second conical cylinder section is close to the rolling support;
wherein: thermal insulation walls are arranged outside the cylinder walls of all the first conical cylinder sections, all the cylinder sections and part of the second conical cylinder sections, and gaps are reserved between the thermal insulation walls and the cylinder walls to allow water to be reserved in the gaps;
the heat insulation walls of the cylindrical section and the second cylindrical section are metal walls, and a plurality of spiral toothed plates are uniformly arranged between the metal walls and the cylindrical wall to form a spiral channel between the metal walls and the cylindrical wall;
the heat-insulating wall of the first conical cylinder section is a rubber wall, and the rubber wall is connected with the metal wall in a sealing manner;
the section of thick bamboo wall bottom circumference at first awl section of thick bamboo is equipped with annular backup pad, makes section of thick bamboo wall and rubber wall form sealing connection at the bottom through the backup pad, wherein adopts the connection that can open between rubber wall and the backup pad: when the valve is opened, the valve is used as a water outlet, and when the valve is closed, the valve plays a sealing role;
the frame base is provided with a roller capable of lifting, the roller is supported in the middle of the rubber wall and can press the rubber wall to deform;
the inner side of the middle part of the rubber wall between the supporting part and the bottom end of the roller is provided with a supporting ring, and the supporting ring is supported on the cylinder wall by supporting pieces arranged at intervals; the rubber wall at the outer side of the support ring is internally provided with axially arranged steel rods, and the steel rods are connected with the support ring in a non-fixed mode, so that the steel rods can swing slightly relative to the support ring; one end of the steel rod extends to the edge of the rubber wall, and the other end of the steel rod extends to the area supported by the roller wheel, so that the roller wheel can force one end of the steel rod to move inwards and the other end of the steel rod to move outwards, and the rubber wall at the other end of the steel rod deforms downwards to form an opening;
a strip-shaped water receiving opening is formed in the lower portion of the bottom end of the rubber wall, the water receiving opening is communicated to a water storage container below the second conical barrel section through a water return pipe, and a refrigerating device is arranged inside the water storage container and used for cooling water inside the water storage container;
the water storage container is provided with a water outlet pipe, a pipe orifice of the water outlet pipe is inserted between the cylinder wall and the opening at the end part of the metal wall, an annular first rubber strip is arranged outside the cylinder wall, an annular second rubber strip is arranged at the end part of the metal wall, the first rubber strip and the second rubber strip are connected in an overlapping mode and are blocked, and a pipe orifice of the water outlet pipe is inserted between the first rubber strip and the second rubber strip;
the tropical concrete heat preservation transportation method comprises the following steps: loading concrete to be stirred into a concrete stirring tank, and starting a driving device to enable the concrete stirring tank to rotate slowly;
starting a refrigerating device in the water storage container to cool water, and simultaneously starting a water pump to supply water from a water outlet pipe to an interlayer between a heat preservation wall and a cylinder wall outside the concrete stirring tank;
when the water level in the interlayer reaches a preset height, the supporting height of the roller at the lower part of the concrete stirring tank is adjusted, so that the rubber layer at the end part of the steel rod can be deformed and opened through the support of the roller in the rotating process of the concrete stirring tank;
the water flow is conveyed back to the water storage container through the water receiving port and the water return pipe.
2. The method for transporting tropical concrete with thermal insulation according to claim 1,
the pipe orifice of the water outlet pipe is in an arc shape matched with the opening.
3. The method for transporting tropical concrete with thermal insulation according to claim 1,
the steel rod is arranged in the rubber wall in an embedding mode.
4. The method for transporting tropical concrete with thermal insulation according to claim 1,
and an elastic reset device is arranged between one end of the steel rod at the supporting position of the roller and the cylinder wall.
5. The method for transporting warm tropical concrete according to claim 1,
the lower part of the roller is arranged on the sliding block, the sliding block is arranged in the vertical guide groove, and the lower part of the sliding block is connected with the height adjusting mechanism.
6. The method for transporting tropical concrete with thermal insulation according to claim 5,
the height adjusting mechanism is an air cylinder or a screw nut.
7. The method for transporting tropical concrete with thermal insulation according to claim 1,
the distance between the spiral toothed plates positioned in the cylindrical section is greater than that between the spiral toothed plates positioned in the second cylindrical section, so that the density of the spiral toothed plates in the second cylindrical section is greater, and the spiral toothed plate structural arrangement with the greater density is adopted because the inclination of the second cylindrical section is greater, so that the delaying effect on water flow is greater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111204372.2A CN113894934B (en) | 2021-10-15 | 2021-10-15 | Thermal insulation transportation method for tropical concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111204372.2A CN113894934B (en) | 2021-10-15 | 2021-10-15 | Thermal insulation transportation method for tropical concrete |
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| Publication Number | Publication Date |
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| CN113894934A CN113894934A (en) | 2022-01-07 |
| CN113894934B true CN113894934B (en) | 2022-05-27 |
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| CN202111204372.2A Active CN113894934B (en) | 2021-10-15 | 2021-10-15 | Thermal insulation transportation method for tropical concrete |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2236627A1 (en) * | 1997-05-06 | 1998-11-06 | Kabushiki Kaisha Remic-Asano | A method of and device for improving the quality of fresh concrete and preventing adhesion and hardening of fresh concrete in a rotary mixer drum of a concrete mixer truck and/or of a concrete mixing plant |
| JP2006111150A (en) * | 2004-10-15 | 2006-04-27 | Sakura Soc Kk | Mixer drum cooling device for concrete mixer vehicle |
| KR20100081672A (en) * | 2009-01-07 | 2010-07-15 | 성균관대학교산학협력단 | Cooling system for a ready-mixed concrete mixer drum |
| CL2010000578A1 (en) * | 2010-06-03 | 2010-12-24 | Toledo Jorge Douglas Fuenteseca | Coolant blanket to be fixed externally to the rotary drum of a concrete truck, comprising a cloth or cloth of absorbent characteristics that conforms to the geometry of the drum and fixing means to removably fix the blanket |
| CN103737723A (en) * | 2013-12-23 | 2014-04-23 | 新疆金宇鑫投资管理有限公司 | Concrete mixer truck tank body temperature-control heat insulation device |
| CN213352968U (en) * | 2020-07-23 | 2021-06-04 | 郑州亿立重工有限公司 | Concrete transportation stirring tank car |
| CN215848942U (en) * | 2021-09-27 | 2022-02-18 | 武汉华神智能科技有限公司 | Concrete mixer truck agitator tank freeze-proof device |
-
2021
- 2021-10-15 CN CN202111204372.2A patent/CN113894934B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2236627A1 (en) * | 1997-05-06 | 1998-11-06 | Kabushiki Kaisha Remic-Asano | A method of and device for improving the quality of fresh concrete and preventing adhesion and hardening of fresh concrete in a rotary mixer drum of a concrete mixer truck and/or of a concrete mixing plant |
| JP2006111150A (en) * | 2004-10-15 | 2006-04-27 | Sakura Soc Kk | Mixer drum cooling device for concrete mixer vehicle |
| KR20100081672A (en) * | 2009-01-07 | 2010-07-15 | 성균관대학교산학협력단 | Cooling system for a ready-mixed concrete mixer drum |
| CL2010000578A1 (en) * | 2010-06-03 | 2010-12-24 | Toledo Jorge Douglas Fuenteseca | Coolant blanket to be fixed externally to the rotary drum of a concrete truck, comprising a cloth or cloth of absorbent characteristics that conforms to the geometry of the drum and fixing means to removably fix the blanket |
| CN103737723A (en) * | 2013-12-23 | 2014-04-23 | 新疆金宇鑫投资管理有限公司 | Concrete mixer truck tank body temperature-control heat insulation device |
| CN213352968U (en) * | 2020-07-23 | 2021-06-04 | 郑州亿立重工有限公司 | Concrete transportation stirring tank car |
| CN215848942U (en) * | 2021-09-27 | 2022-02-18 | 武汉华神智能科技有限公司 | Concrete mixer truck agitator tank freeze-proof device |
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|---|---|
| CN113894934A (en) | 2022-01-07 |
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