CN210651326U - Stirring tank of concrete mixer truck - Google Patents
Stirring tank of concrete mixer truck Download PDFInfo
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- CN210651326U CN210651326U CN201921146160.1U CN201921146160U CN210651326U CN 210651326 U CN210651326 U CN 210651326U CN 201921146160 U CN201921146160 U CN 201921146160U CN 210651326 U CN210651326 U CN 210651326U
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Abstract
The utility model belongs to the technical field of the trucd mixer, specific saying relates to a concrete mixer's agitator tank. The main technical scheme is as follows: including setting up double helix blade on the internal wall of jar, set up auxiliary blade between the double helix blade of cone section behind the jar body, auxiliary blade is connected with double helix blade respectively and forms double helix die cavity, the terminal surface of double helix die cavity covers and is located the discharge gate of cone section tip behind the jar body. The improved stirring tank of the concrete stirring truck has the characteristics of simple structure, convenience in manufacturing, avoidance of scattering due to the inclination of the tank body and effective increase of filling capacity.
Description
Technical Field
The utility model belongs to the technical field of the trucd mixer, specific saying relates to a concrete mixer's agitator tank.
Background
The concrete mixer truck is a special transport truck for conveying concrete for construction, the appearance of the mixing tank of the concrete mixer truck comprises a front cone (platform) section, a middle cylinder section and a rear cone (platform) section, the rear end of the whole tank body is lifted and obliquely placed in a truck body, and the concrete mixer truck is also commonly called a river snail truck. The mixer truck can keep the agitator tank to rotate all the time in loading and transportation processes to ensure that the carried concrete can not be solidified.
The auger formed by at least one set of helical blades is arranged in the existing stirring tank and used for feeding and discharging materials, and the width of the helical blades is limited, so that a hole penetrating through the auger is formed at a discharge port of a rear conical section of the tank body by the formed helical body, so that when a stirring truck climbs a slope, the tank body inclines backwards, concrete in the tank is easy to scatter outwards, on one hand, the waste of the concrete is caused, on the other hand, the road is polluted, and the environmental maintenance cost is increased; meanwhile, when the concrete in the tank body is filled to the lower edge of the hole, the concrete cannot be fed, and at the moment, a large filling space exists between the concrete horizontal plane and the top end of the inner wall of the tank body, so that the waste of the transportation space is caused, the maximum quantity of once charging of the mixer truck is limited, the tank truck with the structure has small transportation amount, and the economy is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, jar body slope avoid spilling and effectively increase the agitator tank of the novel concrete mixer of loading capacity.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a concrete mixer's agitator tank, is in including setting up double helix blade on the internal wall of jar, set up auxiliary blade behind the jar between the double helix blade of cone section, auxiliary blade is connected with double helix blade respectively and forms double helix die cavity, the terminal surface of double helix die cavity covers and is located the discharge gate of cone section tip behind the jar body.
The additional technical characteristics of the stirring tank of the concrete stirring vehicle further comprise:
the number of turns of the double-spiral cavity is 1 to 3;
the auxiliary blade for forming the double-spiral cavity comprises a plurality of side splicing enclosing plates, the torsion angle of the middle part of each enclosing plate is smaller than or equal to 90 degrees, and the edges of the two ends of each enclosing plate are respectively connected with the edges of the double-spiral blade to form the double-spiral cavity;
the coaming is a manganese plate 3-8mm thick;
the rotation directions of the double spiral blades are the same and are symmetrically distributed, a plurality of flow guide exhaust holes are uniformly formed in the double spiral blades along the spiral direction, and the distance between each flow guide exhaust hole and the inner wall of the tank body is one fourth of the width of the double spiral blades;
the double helical blades of the front conical section and the rear conical section of the tank body are in a non-equiangular logarithmic helix structure, and the double helical blades of the middle cylinder of the tank body are in an Archimedes helical structure;
the helix angle of the double helix blade of the front cone section and the rear cone section of the tank body is smaller than that of the double helix blade of the middle cylinder of the tank body.
The utility model provides a pair of concrete mixer's agitator tank compares with prior art, has following advantage: the auxiliary blades are arranged between the double-spiral blades of the rear cone section of the tank body of the stirring tank, the auxiliary blades are respectively connected with the spiral blades to form a double-spiral cavity, the end face of the double-spiral cavity covers a discharge hole in the end part of the rear cone section of the tank body, so that the interior of the tank body is communicated with the discharge hole through the double-spiral cavity, when in transportation and loading, the double-spiral blades rotate (forward), the double-spiral cavity has continuous inward thrust on concrete materials in the interior, the phenomenon that the concrete is scattered backwards when the tank body is inclined is avoided, meanwhile, the loading amount of the tank body can be increased, and the transportation benefit of a stirring truck is; and secondly, because the auxiliary blade forming the double-spiral cavity comprises a plurality of side splicing enclosing plates, the middle torsion angle of the enclosing plates is less than or equal to 90 degrees, and the two end edges of the enclosing plates are respectively connected with the edges of the double-spiral blade to form the double-spiral cavity.
Drawings
FIG. 1 is a side view of a mixing tank of a concrete mixing truck according to the present invention;
fig. 2 is a front view of a rear conical section discharge hole (i.e. a feed hole) of the novel stirring tank.
Detailed Description
The structure and the working principle of the mixing tank of the concrete mixer truck provided by the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, the structure of the mixing tank of the concrete mixer truck according to the present invention is schematically illustrated. The structure of the agitator tank of this concrete mixer is composed of the double helical blade 2 arranged on the inner wall of the tank body 1, the auxiliary blade 3 is arranged between the double helical blade 2 of the rear cone section 13 of the tank body 1, the auxiliary blade 3 is respectively connected with the double helical blade 2 to form the double helical cavity 4, and the end face of the double helical cavity 4 covers the discharge hole 131 at the end of the rear cone section 13 of the tank body 1.
The working principle is as follows: this agitator tank is installed in current agitator truck back seat, jar body 1 corotation, the concrete that inside double helix blade 2 will get into by jar body 1 back cone section 13 feed inlet (being discharge gate 131) is brought into jar body 1 in, because form the double helix die cavity 4 of the internal portion of intercommunication jar through auxiliary blade 3 between the double helix blade 2 of back cone section 13 portion, consequently, the terminal surface of double helix die cavity 4 covers discharge gate 131, in the transportation, jar body 1 lasts corotation, double helix die cavity 4 produces the inward thrust that lasts to the concrete, guarantee not take place to spill, simultaneously when feeding, double helix die cavity 4 also produces certain sealing action to the concrete, can be at utmost utilize jar body 1 headspace, the volume of transportation is improved.
In the structure of the agitating tank constituting the concrete agitating truck as described above,
in order to effectively seal the concrete in the tank body 1, the number of turns of the double-spiral cavity 4 is not smaller than one turn, but not too large, the number of turns increases the abrasion of the cavity too much, the concrete is not favorably stirred, the concrete in the tank is easy to solidify, generally, the number of turns of the double-spiral cavity 4 can be selected to be designed to be 1 to 3 turns, preferably more than 2 turns, and the capacity of the tank body 1 with 12 sides is taken as an example, and the capacity can be increased by more than 2 sides due to the sealing of the multiple turns of the double-spiral cavity 4;
in order to facilitate processing and manufacturing, the auxiliary blade 3 forming the double-spiral cavity 4 comprises a plurality of side splicing enclosing plates, the torsion angle of the middle parts of the enclosing plates is smaller than or equal to 90 degrees, and the edges of the two ends of the enclosing plates are respectively connected with the edges of the double-spiral blade 2 to form the double-spiral cavity 4;
firstly, selecting a proper number of enclosing plates according to the inner diameter of the tank body 1, wherein the length of the enclosing plates is equal to the distance between the edges of the opposite spiral blades 2, the middle torsion angle of the enclosing plates is less than or equal to 90 degrees, the two end edges of the enclosing plates are respectively welded with the edges of the double spiral blades 2, side splicing welding is carried out according to the edges of the spiral blades 2, a closed double-spiral cavity 4 is gradually formed, two ports outside the double-spiral cavity 4 are communicated with a discharge port 131 of a rear conical section 13 of the tank body 1, two ports inside the double-spiral cavity 4 are communicated with the inside of the tank body 1, and as shown in fig. 2, the arrow direction is the;
in order to enhance the structural strength of the double-spiral cavity 4, the coaming is made of a manganese plate with the thickness of 3-8mm, so that the wear resistance of the double-spiral cavity 4 is improved, and the service life is prolonged;
the rotation directions of the double-spiral blades 2 are the same and are symmetrically distributed, the phase angle is different by 180 degrees, when viewed from a front conical section to a rear conical section 13 of the stirring tank body 1, the materials are fed in a forward rotation manner and discharged in a reverse rotation manner, the double-spiral blades 2 are uniformly provided with a plurality of flow guide exhaust holes 5 along the spiral direction, the number and the aperture of the flow guide exhaust holes 5 are determined according to the capacity of the tank body 1, generally, the diameter of the flow guide exhaust holes 5 in the tank body 1 with the capacity of 12 is 20-40 mm, the distance along the spiral line is 0.5-1.5 m, the distance between the flow guide exhaust holes 5 and the inner wall of the tank body 1 is one fourth of the width of the double-spiral blades 2, the width of the spiral blades 2 is about 40 cm, the distance between the flow guide exhaust holes 5 and the inner wall of the tank body 1 is about 10 cm, the distance is; the distance is too narrow, so that the concrete is not discharged conveniently, the discharging time is prolonged, and accumulated water cannot be discharged completely when the tank body 1 is cleaned;
the double helical blades 2 of the front conical section 11 and the rear conical section 13 of the tank body 1 are in a non-equiangular logarithmic spiral structure, and the double helical blades 2 of the barrel 12 in the tank body 1 are in an archimedes helical structure, so that the larger the helical angle is, the poorer the stirring performance is, and the better the discharging performance is; therefore, compared with the previous equiangular logarithmic spiral structure, the front cone part 11 and the rear cone part 13 adopt larger spiral angles, namely non-equiangular logarithmic spiral lines, in the embodiment, the non-equiangular logarithmic spiral lines are smoother and more uniform in stress compared with the equiangular logarithmic spiral lines, and the maximum stress value is smaller than that of the equiangular logarithmic spiral lines, so that the discharging performance can be improved, and unsmooth discharging caused by overlarge resistance of the double-spiral cavity 4 to concrete is avoided; the middle cylinder 12 adopts a smaller helical angle, namely an Archimedes helical line, so that the stirring performance is improved, and the concrete curing period is prevented from being shortened due to the reduction of the stirring degree after the capacity of the tank body 1 is increased.
Preferably, the lead angle of the double helical blades 2 of the front conical section 11 and the rear conical section 13 of the tank body 1 is smaller than that of the double helical blades 2 of the middle cylinder of the tank body 1, and the lead angle of the rear end of the helical blades of the front conical section 11 and the lead angle of the front end of the rear conical section 13 are gradually increased to be equal to that of the lead angle of the middle cylinder 12, so that the blades in each section are fitted, namely the whole helical line is a non-equiangular helical line, and when forward feeding and transportation are realized, concrete is pushed inwards, and more filling and less scattering are realized; the stirring performance is fully improved in the transportation process, and the concrete is prevented from being solidified; the reverse discharging has good discharging performance, can be discharged quickly, and saves time.
Claims (7)
1. The utility model provides a concrete mixer's agitator tank which characterized in that: including setting up the double helix blade on jar internal wall, set up auxiliary blade between the double helix blade of cone section behind the jar body, auxiliary blade is connected with double helix blade respectively and forms double helix die cavity, the terminal surface of double helix die cavity covers and is located the discharge gate of cone section tip behind the jar body.
2. The mixing tank of a concrete mixer truck according to claim 1, characterized in that: the number of turns of the double-spiral cavity is 1 to 3.
3. The mixing tank of a concrete mixer truck according to claim 1, characterized in that: the auxiliary blade forming the double-spiral cavity comprises a plurality of side splicing enclosing plates, the middle torsion angle of the enclosing plates is less than or equal to 90 degrees, and the two end edges of the enclosing plates are respectively connected with the edges of the double-spiral blade to form the double-spiral cavity.
4. A mixing tank for a concrete mixer truck, according to claim 3, characterized in that: the coaming is a manganese plate with the thickness of 3-8 mm.
5. The mixing tank of a concrete mixer truck according to claim 1, characterized in that: the spiral direction of double helix blade the same and be the symmetric distribution, evenly set up a plurality of water conservancy diversion exhaust hole along the helical direction on the double helix blade, water conservancy diversion exhaust hole with the distance of jar internal wall does the quarter of double helix blade width.
6. The mixing tank of a concrete mixer truck according to claim 1, characterized in that: the double-spiral blades of the front cone section and the rear cone section of the tank body are in a non-equiangular logarithmic spiral structure, and the double-spiral blades of the middle cylinder of the tank body are in an Archimedes spiral structure.
7. The mixing tank of a concrete mixer truck according to claim 6, characterized in that: the helix angle of the double helix blade of the front cone section and the rear cone section of the tank body is smaller than that of the double helix blade of the middle cylinder of the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921146160.1U CN210651326U (en) | 2019-07-22 | 2019-07-22 | Stirring tank of concrete mixer truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921146160.1U CN210651326U (en) | 2019-07-22 | 2019-07-22 | Stirring tank of concrete mixer truck |
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| Publication Number | Publication Date |
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| CN210651326U true CN210651326U (en) | 2020-06-02 |
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| CN201921146160.1U Active CN210651326U (en) | 2019-07-22 | 2019-07-22 | Stirring tank of concrete mixer truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847803A (en) * | 2021-01-15 | 2021-05-28 | 李伟 | Stirring tank of concrete mixer truck |
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2019
- 2019-07-22 CN CN201921146160.1U patent/CN210651326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847803A (en) * | 2021-01-15 | 2021-05-28 | 李伟 | Stirring tank of concrete mixer truck |
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