CN214266129U

CN214266129U - Special agitated vessel of recycled concrete preparation

Info

Publication number: CN214266129U
Application number: CN202023005519.9U
Authority: CN
Inventors: 王亚坤; 曹继芬; 芦梦晗
Original assignee: Shangqiu Juhao Building Materials Co ltd
Current assignee: Shangqiu Juhao Building Materials Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-09-24
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a special mixing device for the preparation of recycled concrete, which comprises a frame, a crushing mechanism and a mixing mechanism. The crushing mechanism comprises a hopper, a crushing cavity and a crushing roller. The crushing roller is installed in the crushing cavity, and the hopper is arranged on the upper part of the crushing cavity. The stirring mechanism includes a stirring cavity, a stirring blade and a power system with an auxiliary unit, the stirring blade is fixed on the stirring shaft, a lowering hopper is arranged under the stirring cavity, and a valve is arranged at the connection between the lowering hopper and the stirring cavity; the regeneration The special mixing equipment for concrete preparation can ensure the full mixing of new and old aggregates and improve the performance of recycled concrete.

Description

Special agitated vessel of recycled concrete preparation

Technical Field

The utility model relates to a recycled concrete processing technology field, a recycled concrete preparation special agitated vessel specifically says so.

Background

The recycled concrete is new concrete prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and then adding cement, water and the like; the recycled concrete can be combined into aggregates in the following cases: all aggregates are regenerated aggregates; the coarse aggregate is regenerated aggregate, and the fine aggregate is natural sand; the coarse aggregate is natural gravel or cobble, and the fine aggregate is regenerated aggregate; the reclaimed aggregate replaces part of the coarse aggregate or the fine aggregate.

The economic rapid development, the city construction is also rapidly developed, the house demolition generates a large amount of waste concrete, the research on the recycling of the recycled concrete is few, the technology is not mature enough, no corresponding law rule and policy exist, the consciousness of unit individuals on the recycling of the waste concrete is not strong, the conventional treatment method on the waste concrete is mainly to be transported to the suburb to bury, occupy and swallow a large amount of agricultural cultivated land, to be transported to a river channel to dump, and to influence flood season, so that some series of problems are caused, and the existing recycled concrete treatment does not have a good device for treatment and recycling, so the production and recycling of the recycled concrete are required to be promoted.

The recycled concrete aggregate generally comprises a small amount of stones separated from the mortar, stones partially wrapping the mortar and a small amount of cement mortar independently agglomerated, and the variety of the aggregate is more, so that the recycled concrete aggregate and the natural aggregate are required to be fully mixed in the preparation process of the new concrete, the performance consistency of the new concrete is ensured, the stability of the new concrete is enhanced, the existing common drum mixer cannot realize mixing mainly by turning over the aggregate in the stirring process, the full mixing of the new aggregate and the old aggregate cannot be ensured in the preparation process of the recycled concrete, and the performance of the recycled concrete is influenced; therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.

Disclosure of Invention

The invention aims to overcome the defects described in the background technology, thereby realizing the special stirring equipment for preparing the recycled concrete, which has stable structure, uniform granularity and full mixing.

In order to achieve the purpose of the invention, the technical scheme of the utility model is as follows: a special stirring device for preparing recycled concrete comprises a rack, a crushing mechanism and a stirring mechanism, wherein the crushing mechanism is arranged at the upper part of the rack, the stirring mechanism is arranged at the lower part of the rack, a feed inlet of the stirring mechanism is communicated with a feed outlet of the crushing mechanism, the crushing mechanism comprises a hopper, a crushing cavity and a crushing roller, the crushing roller is arranged in the crushing cavity, and the hopper is arranged at the upper part of the crushing cavity; the stirring mechanism comprises a stirring cavity, a stirring blade and a power system with an auxiliary unit, wherein the stirring blade is fixed on a stirring shaft, a blanking hopper is arranged below the stirring cavity and used for discharging the stirred concrete, a valve is arranged at the joint of the blanking hopper and the stirring cavity, the power system comprises a motor and a speed reducer, the upper part of the stirring shaft penetrates through the stirring cavity and is fixedly connected with an output shaft of the speed reducer, a blanking pipe is arranged below the crushing cavity, and the lower end of the blanking pipe is communicated with a feeding hole of the stirring cavity.

Further, the grinding roller uses a pair of same meshing gear drive of motor drive, guarantees that the grinding roller rotational speed is the same, is convenient for pulverize concrete piece and the stone of taking the mortar, smashes cavity upper portion and is provided with the striker plate, with concrete drainage to between the grinding roller, is provided with the brush on the crushing cavity of grinding roller below, brushes the concrete of adhesion on the grinding roller, avoids the card between grinding roller and crushing cavity inner wall.

Furthermore, be provided with the water tank in the frame of rubbing crusher below, for concrete mixing supplies water, the delivery port of water tank passes through pipeline and booster pump water inlet intercommunication, and the booster pump delivery port leads to pipe and shower nozzle intercommunication, and the shower nozzle is fixed on the upper portion of unloading pipe, aims at the inner wall water spray of unloading pipe, when supplying water, can wash the raw materials on the unloading pipe.

Further, the stirring leaf includes first stirring leaf and second stirring leaf, and first stirring leaf is fixed in the bottom of (mixing) shaft, and first stirring leaf upper portion is the arc, is convenient for stir the material of cavity bottom and turns up and mix the stirring, and second stirring leaf includes main blade and auxiliary blade, and the main blade is fixed on the (mixing) shaft, and the upper and lower part is the arc on the main blade, increases the stirring dynamics, and auxiliary blade middle part swivelling joint is on the fixed axle of main blade tip, and auxiliary blade rotates during the stirring, reduces the formation of vortex.

Further, the auxiliary unit includes backup pad, electric telescopic handle, first bearing, internal spline and second bearing, the backup pad sets up in the top of frame, and the slide of slide is taken to fixedly connected with in the frame of backup pad both sides, and slide sliding connection are passed through to the backup pad both sides, electric telescopic handle's upper and lower end respectively with the bottom of backup pad and the upper portion fixed connection of frame, electric telescopic handle drives the backup pad and slides from top to bottom along the slide.

Furthermore, the internal spline is sleeved outside the stirring shaft, the outer cylindrical surface of the stirring shaft is matched with the internal spline, the stirring shaft can move up and down along with the supporting plate conveniently, a sealing sleeve is arranged between the internal spline and the stirring shaft, the sliding position of the stirring shaft and the sliding position of the internal spline can be kept clean, the internal spline is rotatably connected with the rack through a first bearing, the stirring shaft is rotatably connected with the supporting plate through a second bearing, and the stirring shaft is always kept at the central position of the stirring cavity.

The utility model discloses a special agitated vessel of recycled concrete preparation's beneficial effect:

1. the utility model discloses a special agitated vessel of recycled concrete preparation uses crushing roller to filter the concrete piece that gets into the stirring cavity to smash, smash the even granularity into with bulk concrete, when filtering bulk concrete, smash at once, make it become usable concrete, improve the quality of recycled concrete.

2. The utility model discloses a special agitated vessel of recycled concrete preparation uses the booster pump to improve water pressure to with the shower nozzle setting on unloading pipe upper portion, when supplying water to the concrete, wash the material on the unloading pipe, accelerate unloading speed, avoid the material to pile up, keep the clean of unloading pipe.

3. The utility model discloses a special agitated vessel of recycled concrete preparation adopts electric telescopic handle to promote the driving system of mixer to reciprocate, can strengthen the stirring intensity of concrete, upwards turns the lower part concrete, avoids the concrete to grade, guarantees recycled concrete's quality.

Drawings

FIG. 1 is a schematic structural view of a special mixing apparatus for recycled concrete production according to the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1;

in the figure: 1-frame, 2-crushing cavity, 3-hopper, 4-crushing roller, 5-discharging pipe, 6-water tank, 7-booster pump, 8-water pipe, 9-spray head, 10-brush, 11-stirring cavity, 12-discharging hopper, 13-valve, 14-stirring shaft, 15-first stirring blade, 16-main blade, 17-auxiliary blade, 18-sliding plate, 19-supporting plate, 20-electric telescopic rod, 21-speed reducer, 22-motor, 23-second bearing, 24-first bearing, 25-internal spline and 26-sealing sleeve.

Detailed Description

The special mixing equipment for recycled concrete preparation of the present invention is described in more detail below by way of specific embodiments with reference to the accompanying drawings.

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, and 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.

Referring to fig. 1-2, the special mixing equipment for recycled concrete preparation of this embodiment can ensure the sufficient mixing of new and old aggregates and improve the performance of recycled concrete, and mainly comprises a frame 1, a crushing mechanism and a mixing mechanism, wherein the crushing mechanism is arranged at the upper part of the frame 1, the mixing mechanism is arranged at the lower part of the frame 1, a feed inlet of the mixing mechanism at a feed outlet of the crushing mechanism is communicated with a feed inlet of the mixing mechanism, the crushing mechanism comprises a hopper 3, a crushing cavity 2 and crushing rollers 4, the crushing rollers 4 are arranged in the crushing cavity 2, the crushing rollers 4 drive a pair of same meshing gears by a motor, the rotating speeds of the crushing rollers 4 are ensured to be the same, so as to crush concrete blocks and stones with mortar conveniently, a baffle plate is arranged at the upper part of the crushing cavity 2, the concrete is guided between the crushing rollers, a brush 10 is arranged on the crushing cavity below the crushing rollers, brushing off the concrete adhered on the crushing roller, avoiding the card between the crushing roller 4 and the inner wall of the crushing cavity 2, and the hopper 3 is arranged on the upper part of the crushing cavity 2.

The stirring mechanism comprises a stirring cavity 11, stirring blades and a power system with an auxiliary unit, wherein the stirring blades are fixed on a stirring shaft 14 and comprise a first stirring blade 15 and a second stirring blade, the first stirring blade 15 is fixed at the bottom of the stirring shaft 14, the upper part of the first stirring blade 15 is arc-shaped, so that materials at the bottom of the stirring cavity 11 can be conveniently turned up for mixing and stirring, the second stirring blade comprises a main blade 16 and an auxiliary blade 17, the main blade 16 is fixed on the stirring shaft 14, the upper part and the lower part of the main blade 16 are arc-shaped, the stirring force is increased, the middle part of the auxiliary blade 17 is rotatably connected onto a fixed shaft at the end part of the main blade 16, the auxiliary blade rotates during stirring to reduce the formation of vortex, a blanking hopper 12 is arranged below the stirring cavity 11 and is used for discharging the stirred concrete, a valve 13 is arranged at the joint of the blanking hopper 12 and the stirring cavity 11, the power system comprises a motor 22 and a speed reducer 21, stirring

cavity

11 and 21 output shaft fixed connection of speed reducer are passed on 14 upper portions of (mixing) shaft, the below of smashing cavity 2 is provided with unloading pipe 5, the lower extreme of unloading pipe 5 and the feed inlet intercommunication of stirring cavity 11, be provided with water tank 6 on the frame 1 of smashing cavity 2 below, for the concrete mixing supplies water, the delivery port of water tank 6 passes through pipeline and 7 water inlets of booster pump intercommunication, 7 delivery ports of booster pump lead to pipe 8 and shower nozzle 9 intercommunication, shower nozzle 9 is fixed on the upper portion of unloading pipe 5, aims at the inner wall water spray of unloading pipe 5, when supplying water, can wash the raw materials on unloading pipe 5.

In this embodiment, referring to fig. 2 in detail, the auxiliary unit includes a supporting plate 19, an electric telescopic rod 20, a first bearing 24, an internal spline 25 and a second bearing 23, the supporting plate 19 is disposed above the frame 1, sliding plates 18 with slides are fixedly connected to the frame 1 on both sides of the supporting plate 19, both sides of the supporting plate 19 are slidably connected to the sliding plates 18 through the slides, the upper and lower ends of the electric telescopic rod 20 are respectively fixedly connected to the bottom of the supporting plate 19 and the upper portion of the frame 1, the electric telescopic rod 20 drives the supporting plate 19 to slide up and down along the slides, the internal spline 25 is sleeved on the outer side of the stirring shaft 14, the outer cylindrical surface of the stirring shaft 14 is matched with the internal spline 25, so that the stirring shaft can move up and down along with the supporting plate 19, an elastic and retractable sealing sleeve 26 is disposed between the internal spline 25 and the stirring shaft 14, so that the sliding positions of the stirring shaft 14 and the internal spline 25 are kept clean, the internal spline 25 is rotationally connected with the frame 1 through a first bearing 24, and the stirring shaft 14 is rotationally connected with the supporting plate 19 through a second bearing 23, so that the stirring shaft 14 is always kept at the central position of the stirring cavity 11.

The utility model discloses a special agitated vessel of recycled concrete preparation when using, adds the concrete waste material in the hopper, screens the concrete waste material through crushing roller, and smashes, makes the material granularity that gets into the mixer even, and the shower nozzle is fixed in the upper portion of unloading pipe, aims at the inner wall water spray of unloading pipe, when supplying water, can wash the raw materials on the unloading pipe; two stirring blades are arranged on the stirring shaft, the stirring blades above the stirring shaft fully stir the materials in the stirring cavity, the stirring blades below the stirring shaft cooperate with the up-down moving effect of the auxiliary unit to turn over the materials at the bottom, so that the full mixing of new and old aggregates is ensured, and the performance of recycled concrete is improved.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, whether direct or indirect.

The exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the specific embodiments without departing from the concept of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention.

Claims

1. The utility model provides a special agitated vessel of recycled concrete preparation, includes frame, rubbing crusher constructs and rabbling mechanism, rubbing crusher constructs the setting on the upper portion of frame, and the rabbling mechanism sets up in the lower part of frame, and the feed inlet intercommunication of rubbing crusher constructs's feed opening rabbling mechanism, its characterized in that: the crushing mechanism comprises a hopper, a crushing cavity and a crushing roller, the crushing roller is arranged in the crushing cavity, and the hopper is arranged at the upper part of the crushing cavity; the stirring mechanism comprises a stirring cavity, stirring blades and a power system with an auxiliary unit, wherein the stirring blades are fixed on a stirring shaft, a blanking hopper is arranged below the stirring cavity, a valve is arranged at the joint of the blanking hopper and the stirring cavity, the power system comprises a motor and a speed reducer, the upper part of the stirring shaft penetrates through the stirring cavity and is fixedly connected with an output shaft of the speed reducer, a blanking pipe is arranged below the crushing cavity, and the lower end of the blanking pipe is communicated with a feeding hole of the stirring cavity.

2. The special stirring equipment for recycled concrete preparation according to claim 1, wherein: the grinding roller drives a pair of same meshing gears through a motor, a material baffle is arranged on the upper portion of the grinding cavity, and a brush is arranged on the grinding cavity below the grinding roller.

3. The special stirring equipment for recycled concrete preparation according to claim 1, wherein: a water tank is arranged on the machine frame below the crushing cavity, a water outlet of the water tank is communicated with a water inlet of a booster pump through a pipeline, a water outlet of the booster pump is communicated with a spray head through a water pipe, and the spray head is fixed on a discharging pipe.

4. The special stirring equipment for recycled concrete preparation according to claim 1, wherein: the stirring leaf includes first stirring leaf and second stirring leaf, and first stirring leaf is fixed in the bottom of (mixing) shaft, and first stirring leaf upper portion is the arc, and the second stirring leaf includes main blade and vice blade, and main blade is fixed on the (mixing) shaft, and vice blade middle part swivelling joint is on the fixed axle of main blade tip.

5. The special stirring equipment for recycled concrete preparation according to claim 1, wherein: the auxiliary unit comprises a supporting plate, an electric telescopic rod, a first bearing, an internal spline and a second bearing, wherein the supporting plate is arranged above the rack, a sliding plate with a sliding way is fixedly connected to the rack on two sides of the supporting plate, the sliding way and the sliding plate are connected to two sides of the supporting plate in a sliding mode, and the upper end and the lower end of the electric telescopic rod are fixedly connected to the bottom of the supporting plate and the upper portion of the rack respectively.

6. The special stirring equipment for preparing recycled concrete according to claim 5, wherein: the internal spline is sleeved on the outer side of the stirring shaft, the outer cylindrical surface of the stirring shaft is matched with the internal spline, a sealing sleeve is arranged between the internal spline and the stirring shaft, the internal spline is rotationally connected with the rack through a first bearing, and the stirring shaft is rotationally connected with the supporting plate through a second bearing.