CN212266228U - Concrete mixer is used in subway engineering construction - Google Patents

Abstract

The utility model provides a concrete mixer is used in subway engineering construction, install the feeder hopper rather than inside intercommunication on the lateral wall of agitator upper end, the throat form toper structure of agitator lower extreme is located the support frame, install on the support frame and be used for controlling the ejection of compact controlling means who is located the opening and shutting of agitator lower extreme toper throat end discharge gate, the water pipe that communicates with the outside washing pipeline is equipped with on the agitator roof wall hanging, and the equipartition has a plurality of shower nozzles on the water pipe, the shower nozzle that is close to on agitator inner wall and the (mixing) shaft department water pipe sets up towards agitator inner wall and (mixing) shaft slope respectively. The utility model discloses a lower extreme is the agitator of throat form toper structure to set up ejection of compact controlling means at the agitator lower extreme, realize the control of opening and shutting of agitator lower extreme toper throat end discharge gate, when guaranteeing the normal stirring material of agitator, utilize gravity natural blanking to improve the discharging efficiency of concrete in the agitator, a plurality of shower nozzles on the roof can realize the self-cleaning in the agitator, reduce the clean degree of difficulty of agitator.

Description

Concrete mixer is used in subway engineering construction

Technical Field

The utility model belongs to the technical field of engineering machine tool, concretely relates to subway engineering concrete mixer for construction.

Background

With the continuous development of economic construction in China and the acceleration of urbanization process in various regions, many cities are gradually planning subway construction. The construction and construction of subways are the same as the construction and construction of urban infrastructures and real estate development, which drives the development of the concrete industry, and the quality of concrete directly determines the safety and later decoration of subways, houses or facilities. The existing commercial concrete is different from the traditional concrete prepared on site, the preparation process is omitted, the concrete can be directly added into a stirrer for stirring, and the concrete has great advantages in the aspects of mixing proportion and roughness. After mixing in the mixer, the concrete may leak out of the mixer outlet or be manually removed. However, the subway engineering concrete has a large consumption, the concrete is sticky and has low fluidity, the efficiency is very low even if the concrete leaks from the leakage hole, the manual mode is troublesome, and the subway construction efficiency is reduced virtually.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides a concrete mixer is used in subway engineering construction, adopt the agitator that the lower extreme is throat form toper structure, and set up ejection of compact controlling means at the agitator lower extreme, realize the control of opening and shutting of agitator lower extreme toper throat end discharge gate, when guaranteeing the normal stirring material of agitator, utilize gravity nature unloading to improve the discharging efficiency of concrete in the agitator, and by locating a plurality of shower nozzles on the roof in the agitator, realize the self-cleaning in the agitator, reduce the clean degree of difficulty of agitator.

The utility model adopts the technical proposal that: concrete mixer is used in subway engineering construction, including the agitator, install in agitator motor at agitator top, stretch into in the agitator and with agitator motor output shaft (mixing) shaft, crisscross a plurality of stirring vane who installs at the epaxial stirring, install the feeder hopper rather than inside intercommunication on the lateral wall of agitator upper end, the agitator passes through the support frame and supports fixedly, the throat form toper structure of agitator lower extreme is located the support frame, install on the support frame and be used for controlling the ejection of compact controlling means who is located that agitator lower extreme toper throat end discharge gate opens and shuts, the water pipe that communicates with the external cleaning pipeline is equipped with on the wall of agitator roof, and the equipartition has a plurality of shower nozzles on the water pipe, is close to the shower nozzle on agitator inner wall and the (mixing) shaft department water pipe and sets up towards agitator inner wall and (mixing) shaft slope.

Wherein, ejection of compact controlling means includes telescoping cylinder, left shrouding and right shrouding, left side shrouding and right shrouding are the arc the same with agitator lower extreme toper throat end discharge gate radian, both ends all are fixed with the linking arm around left side shrouding and the right shrouding, the linking arm upper end is rotated with the swinging boom lower extreme and is connected, be fixed with the supporting pin on the horizontal pole of support frame front and back side, and the swinging boom upper end is rotated and is installed on the supporting pin, the telescoping cylinder both ends respectively with the otic placode swing joint at left shrouding and right shrouding middle part to outside or the inside motion of flexible left shrouding of drive and right shrouding through the telescoping cylinder piston rod realizes that agitator lower extreme toper throat.

Further, the stirring shaft is fixed with the spiral plate by the region between the lower tip and the stirring vane on the upper strata, and stirring vane installs on the stirring shaft between the spiral plate pitch, stretches into stirring barrel lower extreme toper throat end on fixed stirring vane be shorter than upper stirring vane on the stirring shaft, stirring motor drive (mixing) shaft corotation or reversal make the spiral plate upwards stir or downwards stir the realization stirring vane to the stirring barrel lower extreme material or the ejection of compact fast of concrete in the stirring barrel.

The utility model has the advantages compared with the prior art:

1. according to the technical scheme, the stirring barrel with the lower end of a necking-shaped conical structure is adopted, and the discharging control device is arranged at the lower end of the stirring barrel, so that the opening and closing control of the discharging port at the conical necking end at the lower end of the stirring barrel is realized, the normal stirring of materials by the stirring barrel is ensured, and meanwhile, the discharging efficiency of concrete in the stirring barrel is improved by utilizing gravity natural discharging;

2. according to the technical scheme, the water pipe connected with the external cleaning pipeline is coiled on the inner top wall of the stirring barrel, and the plurality of spray heads are arranged on the water pipe, so that the automatic cleaning in the stirring barrel is realized, the cleaning difficulty of the stirring barrel is reduced, and the cleaning efficiency of the stirring barrel is improved;

3. according to the technical scheme, the spiral plate is arranged on the stirring shaft, and under the control of the positive and negative rotation of the stirring motor, the material at the lower end of the stirring barrel is upwards or downwards turned by the spiral plate, so that the stirring blades can efficiently stir the mixture in the stirring barrel or quickly discharge the concrete in the stirring barrel;

4. this technical scheme simple structure, installation convenient operation has improved the stirring efficiency and the discharging efficiency of concrete for the progress of subway engineering construction has higher use value.

Drawings

FIG. 1 is a schematic structural view of the mixing tank when the discharge port at the lower end of the mixing tank is closed;

FIG. 2 is a schematic structural view of the mixing tank with the discharge port at the lower end opened;

FIG. 3 is a schematic view of the internal structure of the mixing tank with the discharge control device removed;

fig. 4 is a schematic view of the connection position of the connection arm and the rotation arm according to the present invention.

Detailed Description

An embodiment of the present invention will be described in conjunction with fig. 1-4, so that the technical solution will be described clearly and completely, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The concrete mixer for subway engineering construction comprises a mixing tank 1, a mixing motor 4 arranged at the top of the mixing tank 1, a mixing shaft 2 extending into the mixing tank 1 and connected with an output shaft of the mixing motor 4, a plurality of mixing blades 3 arranged on the mixing shaft 2 in a staggered manner, a feed hopper 5 communicated with the inside of the mixing tank 1 is arranged on the side wall of the upper end of the mixing tank 1, the mixing tank 1 is supported and fixed by a support frame 6, the necking-shaped conical structure at the lower end of the stirring barrel 1 is positioned in a support frame 6, a discharge control device for controlling the opening and closing of a discharge hole at the necking-shaped conical end at the lower end of the stirring barrel 1 is arranged on the support frame 6, a water pipe 7 communicated with an external cleaning pipeline is coiled on the top wall of the stirring barrel 1, a plurality of spray heads 8 are uniformly distributed on the water pipe 7, and the spray heads 8 on the water pipe 7 close to the inner wall of the stirring barrel 1 and the stirring shaft 2 are respectively arranged towards the inner wall of the stirring barrel 1 and the stirring shaft 2 in an inclined way; specifically, the discharge control device comprises a telescopic cylinder 10, a left sealing plate 11 and a right sealing plate 12, wherein the left sealing plate 11 and the right sealing plate 12 are arc plates with the same radian as a discharge port of a conical reduced end at the lower end of the stirring barrel 1, connecting arms 13 are fixed at the front and rear ends of the left sealing plate 11 and the right sealing plate 12, the upper ends of the connecting arms 13 are rotatably connected with the lower end of a rotating arm 14, supporting pins 15 are fixed on cross rods 16 at the front and rear sides of the supporting frame 6, the upper ends of the rotating arm 14 are rotatably mounted on the supporting pins 15, two ends of the telescopic cylinder 10 are respectively movably connected with lug plates 17 at the middle parts of the left sealing plate 11 and the right sealing plate 12, and the left sealing plate 11 and the right sealing plate 12 are driven to move outwards or inwards by the extension of a piston rod of; specifically, the stirring shaft 2 is fixed with the spiral plate 9 by the lower tip to the region between the stirring vane 3 of upper strata, and stirring vane 3 installs on the stirring shaft 2 between the screw pitch of spiral plate 9, stretches into stirring vane 3 fixed on the stirring shaft 2 in the 1 lower extreme toper throat end of agitator 1 and is shorter than upper stirring vane 3, agitator motor 4 drive (mixing) shaft 2 corotation or reversal make spiral plate 9 upwards stir or downwards stir 1 lower extreme material of agitator 1 and realize stirring vane 3 to the high-efficient stirring of the mixture in the agitator 1 or the quick ejection of compact of concrete in the agitator 1.

The technical scheme adopts a stirring barrel 1 with a necking-shaped conical structure at the lower end, a discharging control device is arranged at the lower end of the stirring barrel 1, the opening and closing control of a discharging port at the conical necking end at the lower end of the stirring barrel 1 is realized, the normal stirring of materials by the stirring barrel 1 is ensured, meanwhile, the discharging efficiency of concrete in the stirring barrel 1 is improved by utilizing gravity natural discharging, a water pipe 7 connected with an external cleaning pipeline is coiled on the inner top wall of the stirring barrel 1, a plurality of spray heads 8 are arranged on the water pipe, the automatic cleaning in the stirring barrel 1 is realized, the cleaning difficulty of the stirring barrel 1 is reduced, the cleaning efficiency of the stirring barrel 1 is improved, a spiral plate 9 is arranged on a stirring shaft 2, under the control of the positive and negative rotation of a stirring motor 4, the materials at the lower end of the stirring barrel 1 are upwards or downwards stirred by the spiral plate 9, the high-efficiency stirring of a mixture in the stirring barrel 1 by, simple structure, installation convenient operation has improved the stirring efficiency and the discharging efficiency of concrete for the progress of subway engineering construction has higher use value.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims (3)

1. Concrete mixer is used in subway engineering construction, including agitator (1), install agitator (4) at agitator (1) top, (mixing) shaft (2) stretching into in agitator (1) and with agitator motor (4) output shaft, a plurality of stirring vane (3) of crisscross installation on (mixing) shaft (2), its characterized in that: install on agitator (1) upper end lateral wall feeder hopper (5) rather than inside intercommunication, agitator (1) is supported fixedly through support frame (6), the throat form toper structure of agitator (1) lower extreme is located support frame (6), install on support frame (6) and be used for controlling the ejection of compact controlling means who is located agitator (1) lower extreme toper throat end discharge gate and opens and shuts, agitator (1) roof hanging wall is equipped with water pipe (7) with the outside washing pipeline intercommunication, and the equipartition has a plurality of shower nozzles (8) on water pipe (7), is close to shower nozzle (8) on agitator (1) inner wall and (mixing) shaft (2) department water pipe (7) and sets up towards agitator (1) inner wall and (mixing) shaft (2) slope respectively.

2. The concrete mixer for subway engineering construction as claimed in claim 1, wherein: the discharging control device comprises a telescopic cylinder (10), a left sealing plate (11) and a right sealing plate (12), the left sealing plate (11) and the right sealing plate (12) are arc plates with the same radian as the discharge hole at the conical reducing end at the lower end of the stirring barrel (1), the front end and the rear end of the left sealing plate (11) and the right sealing plate (12) are respectively fixed with a connecting arm (13), the upper end of the connecting arm (13) is rotationally connected with the lower end of the rotating arm (14), a supporting pin (15) is fixed on a cross bar (16) at the front side and the rear side of the supporting frame (6), the upper end of the rotating arm (14) is rotatably arranged on a supporting pin (15), two ends of the telescopic cylinder (10) are respectively movably connected with lug plates (17) at the middle parts of the left sealing plate (11) and the right sealing plate (12), and the left sealing plate (11) and the right sealing plate (12) are driven to move outwards or inwards by the extension of the piston rod of the telescopic cylinder (10), so that the opening and closing of the discharge port at the conical reducing end of the lower end of the stirring barrel (1) are realized.

3. The concrete mixer for subway engineering construction as claimed in claim 1 or 2, wherein: the stirring shaft (2) is fixed with spiral plate (9) by the region between lower tip to the stirring vane (3) of upper strata, and stirring vane (3) are installed on (mixing) shaft (2) between spiral plate (9) pitch, stretch into stirring shaft (2) of agitator (1) lower extreme toper throat end on fixed stirring vane (3) be shorter than upper stirring vane (3), agitator motor (4) drive (mixing) shaft (2) corotation or reversal make spiral plate (9) upwards turn over agitator (1) lower extreme material or turn over downwards and realize that stirring vane (3) are to the high-efficient stirring of the mixture in agitator (1) or the quick ejection of compact of concrete in agitator (1).

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