CN214082091U

CN214082091U - Concrete raw material preparation machine for road tunnel

Info

Publication number: CN214082091U
Application number: CN202021373907.XU
Authority: CN
Inventors: 杨志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-08-31
Anticipated expiration: 2030-07-13

Abstract

The utility model provides a concrete raw material preparation machine that highway tunnel was used relates to the building field. The concrete raw material preparation machine for the highway tunnel comprises a first motor, wherein a sand filtering net fixing frame is fixedly connected with a sand filtering net, one end of a top plate is provided with other raw material inlets, a pre-stirring shaft is rotationally connected with a pre-stirring cylinder, the upper half part of a driving rotating shaft is in threaded connection with a first stirring blade, the lower half part of the driving rotating shaft is in threaded connection with a second stirring blade, the middle part of the driving rotating shaft is fixedly connected with a driving bevel gear, and the driving bevel gear is meshed with a driven bevel gear; this concrete raw materials preparation machine that highway tunnel was used stirs fine sand through setting up the sand screen, and coarse sand filters away, through setting up agitating unit in advance, stirs hard and the bigger raw materials of granule such as stone in advance, and convenient and fast when making formal stirring has many, has solved preparation concrete inefficiency, is difficult for preparing the problem of high strength concrete.

Description

Concrete raw material preparation machine for road tunnel

Technical Field

The utility model relates to a building field specifically is a concrete raw materials preparation machine that highway tunnel was used.

Background

The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased; meanwhile, the concrete also has the characteristics of high compressive strength, good durability and the like, and any concrete structure is mainly used for bearing load or resisting various acting forces, and the strength is the most important mechanical property of the concrete. The concrete plays an irreplaceable role in the field of construction, the utilization rate of the concrete is very high, and the concrete plays a very important role in the next decades.

The concrete is also the building material with the widest application and the largest using amount in the world at present, so a plurality of requirements are provided for a concrete preparation machine, the concrete strength required by construction in different places is different, and particularly, places with strong weighing capacity are required; the existing concrete preparation machines are mostly old in function, low in working efficiency and inconvenient to prepare high-strength concrete, particularly places with high requirements on strength, such as road tunnels, so that the concrete preparation machine for the road tunnels is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a concrete raw materials preparation machine that highway tunnel was used has solved and has made the difficult and less problem of efficiency of high strength concrete.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a concrete raw material preparation machine for a road tunnel comprises a first motor, wherein the first motor is arranged on the upper surface of a top plate, the bottom of the first motor is fixedly connected with a connecting block, the bottom of the connecting block is fixedly connected with an active rotating shaft, the upper surface of the top plate is provided with a second motor, the other end of the top plate is provided with a sand inlet, the top plate is fixedly connected with a box body, the box body is fixedly connected with a sand filtering net fixing frame, the sand filtering net fixing frame is fixedly connected with a sand filtering net, one end of the top plate is provided with other raw material inlets, the other end of the lower surface of the top plate is fixedly connected with a pre-stirring box support, the pre-stirring box support is fixedly connected with a pre-stirring box, the pre-stirring box is fixedly connected with a pre-stirring shaft, the pre-stirring shaft is rotatably connected with a pre-stirring cylinder, and the upper half part of the active rotating shaft is in threaded connection with a first stirring blade, the lower half part of the driving rotating shaft is in threaded connection with the second stirring blade, the middle part of the driving rotating shaft is fixedly connected with the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, the driven bevel gear is fixedly connected with one end of the driven rotating shaft, the driven rotating shaft is in threaded connection with the driven stirring blade, the other end of the driven rotating shaft is rotatably connected with the box body, the box body is fixedly connected with the bottom plate, and the bottom plate is fixedly connected with the discharge port.

Preferably, the connecting block completely penetrates through the top plate and is fixedly connected with the first motor.

Preferably, the two pre-stirring tank supports are parallel in relative position.

Preferably, the stirring sides of the first stirring blade, the second stirring blade and the driven stirring blade form an included angle of forty-five degrees with the horizontal plane.

Preferably, the discharge hole corresponds to the driving rotating shaft.

Preferably, the distance between the driven stirring blade and the driving rotating shaft is greater than the length of the first stirring blade.

Preferably, the sand filtering net and the pre-stirring box are both arranged right above the first stirring blade.

Preferably, the first motor is located in the middle of the upper surface of the top plate, and the second motor is located on the right side of the upper surface of the top plate.

(III) advantageous effects

The utility model provides a concrete raw material preparation machine that highway tunnel was used. The method has the following beneficial effects:

1. this concrete raw materials preparation machine that highway tunnel was used filters the sand of adding through setting up the sand screen, then stirs fine sand, and the coarse sand filters away, has solved the difficult problem of preparing high strength concrete.

2. This concrete raw materials preparation machine that highway tunnel was used stirs hard and the bigger raw materials of granule such as stone in advance through setting up agitating unit in advance, makes convenient and fast when carrying out formal stirring a lot, has solved the problem of preparation high strength concrete inefficiency.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure of the sand filtering net of the present invention;

FIG. 3 is a partial schematic view of the gear engagement of the present invention;

FIG. 4 is a schematic view of the pre-stirring device of the present invention;

fig. 5 is the driven shaft assembly stirring leaf sketch map of the utility model.

In the figure: 1 first motor, 2 connecting blocks, 3 second motors, 4 top plates, 5 other raw material inlets, 6 sand inlet, 7 sand filtering net fixing frames, 8 sand filtering nets, 9 pre-stirring box supports, 10 pre-stirring boxes, 11 driving rotating shafts, 12 first stirring blades, 13 second stirring blades, 14 driven rotating shafts, 15 driven stirring blades, 16 pre-stirring cylinders, 17 pre-stirring shafts, 18 driven helical gears, 19 driving helical gears, 20 boxes, 21 bottom plates and 22 discharge ports.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a concrete raw material preparation machine for highway tunnel, as shown in fig. 1-5, including first motor 1, first motor 1 sets up on the upper surface of roof 4, and first motor 1 bottom and connecting block 2 fixed connection, connecting block 2 completely run through roof 4 and first motor 1 fixed connection, and the bottom of connecting block 2 and initiative pivot 11 fixed connection; the upper surface of the top plate 4 is provided with a second motor 3, the other end of the top plate 4 is provided with a sand inlet 6, the top plate 4 is fixedly connected with a box body 20, the box body 20 is fixedly connected with a sand filtering net fixing frame 7, the sand filtering net fixing frame 7 is fixedly connected with a sand filtering net 8, one end of the top plate 4 is provided with other raw material inlets 5, the other end of the lower surface of the top plate 4 is fixedly connected with a pre-stirring box support 9, the pre-stirring box support 9 is fixedly connected with a pre-stirring box 10, the number of the pre-stirring box supports 9 is two, the relative positions are parallel, the pre-stirring box is larger, a pre-stirring cylinder rotates to work, a vibration effect and the like can be generated, if only one pre-stirring support is used, the pre-stirring support can be broken after working for a period of time, the service life of machinery is influenced, the working efficiency is influenced, and the cost of one pre-stirring support and the stirring support is very low; the pre-stirring box 10 is fixedly connected with the pre-stirring shaft 17, the pre-stirring shaft 17 is rotatably connected with the pre-stirring cylinder 16, the sand filtering net 8 and the pre-stirring box 10 are both positioned right above the first stirring blade 12, so that when the filtered sand and other materials can be directly stirred by the stirring blades, the upper half part of the driving rotating shaft 11 is in threaded connection with the first stirring blade 12, the lower half part of the driving rotating shaft 11 is in threaded connection with the second stirring blade 13, the stirring blades of the upper part and the lower part are arranged for full stirring, the stirring sides of the first stirring blade 12, the second stirring blade 13 and the driven stirring blade 15 form a forty-five degree included angle with the horizontal plane, if the stirring blades are horizontally arranged, complete cutting is not easy to occur during cutting, uneven stirring and incomplete stirring are caused as a result, large particles of prepared concrete can be left, the strength of the prepared concrete can be reduced, and the preparation efficiency can be greatly influenced, may eventually be unusable; the middle part of the driving rotating shaft 11 is fixedly connected with a driving bevel gear 19, the driving bevel gear 19 is mutually meshed with a driven bevel gear 18, the driven bevel gear 18 is fixedly connected with one end of a driven rotating shaft 14, the driven rotating shaft 14 is in threaded connection with a driven stirring blade 15, the other end of the driven rotating shaft 14 is rotatably connected with a box body 20, the box body 20 is fixedly connected with a bottom plate 21, the bottom plate 21 is fixedly connected with a discharge port 22, the position of the discharge port 22 corresponds to that of the driving rotating shaft 11, the concrete outflow machine which is beneficial to successful preparation is arranged, the bottom plate 21 is arranged in a downward inclined mode, the same effect is achieved, concrete adhered on the bottom plate 21 can slide out, after sand and other raw materials are added into the feeding hole, the sand passes through the sand filtering net 8, other raw materials, large particles and hard substances enter the pre-stirring box 10 to be stirred, then are gathered again and stirred by the stirring blades, and finally flow out from the discharge port 22.

In summary, the concrete raw material preparation machine for the road tunnel can better obtain fine sand and small-particle raw materials through the sand filtering net 8 and the pre-stirring cylinder 10 and then stir the fine sand and the small-particle raw materials, and the problems of difficulty in preparing high-strength concrete and low efficiency are solved.

The working principle is as follows: when concrete raw materials for highway tunnels are prepared, materials such as sand and stones are added into a sand inlet 6 and other raw material inlets 5 at the same time, the sand passes through a sand filtering net 8 and descends enough fine sand, coarse sand is filtered on the sand filtering net 8, the sand filtering net 8 is inclined, so that the coarse sand can be screened out of the machine and does not participate in preparation and influence the operation of the machine, the coarse sand is not cleaned once in each period of time, other materials enter a pre-stirring box 10, larger particles are ground into small particles by a pre-stirring cylinder 16 and then fall down to participate in stirring together with the fine sand screened down, and after the fine sand is fully stirred by a first stirring blade 12, a second stirring blade 13 and a driven stirring blade 15, the concrete is prepared and finally flows out from a discharge port 22.

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

1. The utility model provides a concrete raw materials preparation machine that highway tunnel was used, includes first motor (1), its characterized in that: the device comprises a top plate (4), a first motor (1), a connecting block (2), a second motor (3), a sand inlet (6), a box body (20), a sand filtering net fixing frame (7), a sand filtering net (8), other raw material inlets (5), a pre-stirring box support (9), a pre-stirring box (10), a pre-stirring shaft (17), pre-mixing shaft (17) and pre-mixing drum (16) rotate to be connected, the first half and first stirring leaf (12) threaded connection of initiative pivot (11), the lower half and second stirring leaf (13) threaded connection of initiative pivot (11), the middle part and the initiative helical gear (19) fixed connection of initiative pivot (11), initiative helical gear (19) and driven helical gear (18) intermeshing, the one end fixed connection of driven helical gear (18) and driven pivot (14), driven pivot (14) and driven stirring leaf (15) threaded connection, the other end and box (20) of driven pivot (14) rotate to be connected, box (20) and bottom plate (21) fixed connection, bottom plate (21) and discharge gate (22) fixed connection.

2. The concrete raw material preparation machine for a road tunnel according to claim 1, wherein: the connecting block (2) completely penetrates through the top plate (4) and is fixedly connected with the first motor (1).

3. The concrete raw material preparation machine for a road tunnel according to claim 1, wherein: the two pre-stirring tank supports (9) are parallel to each other in relative position.

4. The concrete raw material preparation machine for a road tunnel according to claim 1, wherein: the stirring sides of the first stirring blade (12), the second stirring blade (13) and the driven stirring blade (15) form an included angle of forty-five degrees with the horizontal plane.

5. The concrete raw material preparation machine for a road tunnel according to claim 1, wherein: the discharge hole (22) corresponds to the driving rotating shaft (11).

6. The concrete raw material preparation machine for a road tunnel according to claim 1, wherein: the distance between the driven stirring blade (15) and the driving rotating shaft (11) is greater than the length of the first stirring blade (12).

7. The concrete raw material preparation machine for a road tunnel according to claim 1, wherein: the sand filtering net (8) and the pre-stirring box (10) are both positioned right above the first stirring blade (12).

8. The concrete raw material preparation machine for a road tunnel according to claim 1, wherein: the first motor (1) is located in the middle of the upper surface of the top plate (4), and the second motor (3) is located on the right side of the upper surface of the top plate (4).