CN214766034U - Concrete aggregate reducing mechanism - Google Patents

Abstract

The utility model provides a concrete aggregate reducing mechanism, including the broken case of one-level, the broken case of second grade, tertiary broken case, the broken mechanism of one-level, the broken mechanism of second grade and tertiary broken mechanism, the material passes through the utility model discloses a broken back material of the broken mechanism of one-level can draw out the aggregate that the breakage obtained through its stock stop mechanism the utility model discloses a broken case of one-level supplies the operator to construct the use, and the operator can also select to get into the broken mechanism of second grade in proper order via the aggregate that the broken mechanism of one-level obtained, tertiary broken mechanism grinds the aggregate to obtain aggregate of smaller size and supply the operator to use, the utility model discloses when tertiary broken mechanism used simultaneously, can reduce the load of the broken mechanism of each level, increase the life of broken mechanism at different levels. The utility model discloses can broken cobble, large-scale stone or dumped concrete, increase concrete aggregate reducing mechanism's application range, profit and use widely.

Description

Concrete aggregate reducing mechanism

Technical Field

The utility model relates to a concrete aggregate reducing mechanism.

Background

The concrete aggregate is a granular loose material which plays a role of a skeleton or filling in concrete. The aggregate is divided into coarse aggregate and fine aggregate. The coarse aggregate refers to pebbles, broken stones and the like, the fine aggregate refers to natural sand, artificial sand and the like, the existing concrete aggregate is formed by smashing large stones, or is smashed and sieved from old concrete, common aggregate smashing devices are only provided with one-level smashing mechanisms, the smashed aggregate particle size is too large due to insufficient smashing, the operation load is too large, and the service life of the smashing device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a concrete aggregate reducing mechanism, it is through unique structural design, the utility model discloses be provided with tertiary broken mechanism, the operator can directly use the aggregate that will obtain after the broken mechanism of one-level is broken, can also get into the aggregate secondary crushing mechanism, tertiary broken mechanism and grind, obtains the aggregate of smaller size, increases aggregate reducing mechanism's use scene.

Still another object of the utility model is to provide a can reduce the broken mechanism load of each grade, increase life's concrete aggregate reducing mechanism.

The utility model adopts the technical proposal that: the utility model provides a concrete aggregate reducing mechanism, including the broken case of one-level, the broken case of second grade, tertiary broken case, the broken mechanism of one-level, the broken mechanism of second grade and tertiary broken mechanism, the bottom of the broken case of this one-level is connected with the top of the broken case of this second grade and is link up, the inside at the broken case of this one-level is installed to the broken mechanism of this one-level, the broken mechanism of this second grade is installed inside the broken incasement of this second grade, this tertiary broken mechanism is installed inside this tertiary broken incasement portion, be provided with stock stop between the broken case of this one-level and this second grade.

The primary crushing mechanism comprises a primary crushing rotating shaft, a plurality of primary hammers fixed on the primary crushing rotating shaft, grate bars positioned below the crushing rotating shaft, and fixed impact plates and adjustable impact plates positioned on the front side and the rear side of the crushing rotating shaft.

The adjustable reverse plate is arranged inside the one-level crushing box through a support, the lower portion of the support is movably connected inside the one-level crushing box through a fixing shaft, and the upper portion of the support is fixed with an adjusting bolt extending out of the one-level crushing box.

The second-stage crushing mechanism comprises a first grinding rotating shaft, a plurality of first grinding heads fixed on the first grinding rotating shaft and a first grinding disc surrounding the periphery of the first grinding rotating shaft.

The three-stage crushing mechanism comprises a second grinding rotating shaft, a plurality of second grinding heads fixed on the second grinding rotating shaft and a second grinding disc surrounding the periphery of the second grinding rotating shaft.

The cross section of the first-stage crushing box is square, the cross section of the second-stage crushing box is 6-shaped, and the cross section of the third-stage crushing box is circular.

A side discharging window is formed in the side face of the primary crushing box, and a cover plate is arranged on the periphery of the side discharging window.

The material blocking mechanism comprises a rotating shaft and a material blocking plate fixed on the rotating shaft.

Two parallel dovetail guide rails are arranged in the primary crushing box, and grooves with the same shape are arranged below the grate and matched with the dovetail guide rails in shape.

The utility model has the advantages that: the material passes through the utility model discloses a broken back material of one-level crushing mechanism can lead out through the aggregate that its stock stop obtained with the breakage the utility model discloses a broken case of one-level supplies the operator to be under construction and uses, and the operator can also select to get into second grade crushing mechanism, tertiary crushing mechanism in proper order via the aggregate that the broken acquisition of one-level crushing mechanism grinds the aggregate to obtain the aggregate of smaller size and supply the operator to use, the utility model discloses when tertiary crushing mechanism used simultaneously, can reduce the load of the broken mechanism of each grade, increase the life of the broken mechanism at different levels. The utility model discloses can broken cobble, large-scale stone or dumped concrete, increase concrete aggregate reducing mechanism's application range, profit and use widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the grate installed behind the dovetail-shaped guide rail of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 2 together, the present invention provides a concrete aggregate crushing apparatus, which comprises a first-stage crushing box 10, a second-stage crushing box 20, a third-stage crushing box 30, a first-stage crushing mechanism 40, a second-stage crushing mechanism 50 and a third-stage crushing mechanism 60, wherein the bottom of the first-stage crushing box 10 is connected to and communicated with the top of the second-stage crushing box 20, the bottom of the second-stage crushing box 20 is connected to and communicated with the top of the third-stage crushing box 30, the first-stage crushing mechanism 40 is installed inside the first-stage crushing box 10, the second-stage crushing mechanism 50 is installed inside the second-stage crushing box 20, the third-stage crushing mechanism 60 is installed inside the third-stage crushing box 30, a material blocking mechanism 70 is arranged between the first-stage crushing box 10 and the second-stage crushing box 20, aggregate crushed by the material blocking mechanism 70 is discharged outside the first-stage crushing box 10, an operator can select whether the aggregates crushed by the first-stage crushing mechanism 40 enter the second-stage crushing mechanism 50 and the third-stage crushing mechanism 60 to perform secondary crushing and tertiary crushing so that the size of the aggregates meets the construction use requirements.

The primary crushing mechanism 40 comprises a primary crushing rotating shaft 41, a plurality of primary hammers 42 fixed on the primary crushing rotating shaft 41, grate bars 43 positioned below the crushing rotating shaft 41, and fixed impact plates 44 and adjustable impact plates 45 positioned on the front side and the rear side of the crushing rotating shaft 41.

The adjustable counter plate 45 is disposed inside the primary crushing box 10 through a bracket 451, the lower portion of the bracket 451 is movably connected inside the primary crushing box 10 through a fixed shaft, and the upper portion of the bracket 451 is fixed with an adjusting bolt 452 extending out of the primary crushing box 10.

After the materials enter the primary crushing box 10, the materials are immediately impacted by the primary hammer head which rotates at a high speed to be crushed, and the crushed materials obtain kinetic energy from the primary hammer head and impact the fixed impact plate, the adjustable impact plate and the grate bars on the inner wall of the shell at a high speed to be crushed for the second time. After that, the materials smaller than the gaps of the grate bars are discharged from the gaps, the materials with larger particle sizes rebound to be crushed again by impact, and are crushed by additional impact of the hammer head, and the materials are crushed by mutual impact in the whole process of crushing the materials.

The secondary crushing mechanism 50 includes a first grinding rotating shaft 51, a plurality of first grinding heads 52 fixed on the first grinding rotating shaft 51, and a first grinding disc 53 surrounding the periphery of the first grinding rotating shaft 51, wherein the aggregates crushed by the primary crushing mechanism 40 enter the secondary crushing box 20, and the falling aggregates are ground by the cooperation of the first grinding disc 53 and the first grinding heads 52.

The third-stage crushing mechanism 60 includes a second grinding rotating shaft 61, a plurality of second grinding heads 62 fixed on the second grinding rotating shaft 61, and a second grinding disc 63 surrounding the periphery of the second grinding rotating shaft 61, wherein the aggregates ground by the second-stage crushing mechanism 40 enter the third-stage crushing box 30, and the falling aggregates are ground again by the cooperation of the second grinding discs 63 and the second grinding heads 62. It is worth mentioning that although the secondary crushing mechanism 50 and the tertiary crushing mechanism 60 have the same structure, the distance between their grinding heads and their grinding discs can be set differently to achieve different grinding effects.

Further, the cross-sectional shape of the first-stage crushing box 10 is square, the cross-sectional shape of the second-stage crushing box 20 is 6-shaped, and the cross-sectional shape of the third-stage crushing box 30 is circular.

The side surface of the primary crushing box 10 is provided with a side discharging window 11, a cover plate 12 is arranged on the periphery of the side discharging window 11, the side discharging window 11 is sealed through the cover plate 12, and the crushed material is prevented from being illegally ejected from the side discharging window 11.

The material blocking mechanism 70 comprises a rotating shaft 71 and a material blocking plate 72 fixed on the rotating shaft 71, wherein the end part of the material blocking plate 72 can extend out of the side material outlet window 11, so that the material is conveniently guided into the side material outlet window through the blocking plate 72 after being crushed by the primary crushing mechanism 40 and is discharged out of the primary crushing box 10 for an operator to use.

In order to facilitate replacement of the grates in the primary crushing mechanism, two parallel dovetail-shaped guide rails 13 are arranged in the primary crushing box 10, grooves 431 with the same shape are formed below the grates and matched with the shape of the dovetail-shaped guide rails 13, so that the grates can be conveniently installed in the dovetail-shaped guide rails 13, a replacement window 14 facilitating replacement of the grates 43 is arranged on the primary crushing box 10, a sealing plate 15 is arranged on the periphery of the replacement window 14, the replacement window 14 is conveniently sealed through the sealing plate 15 after replacement is completed, and through the structure of the replaceable grates, an operator can replace the grates in different gaps to achieve aggregates with required particle sizes, and different requirements are met.

The utility model discloses what realize is, the aggregate that the material can obtain through its stock stop with the breakage after the material passes through the broken mechanism of one-level crushing mechanism is derived the utility model discloses a broken case of one-level supplies the operator to be under construction and uses, and the operator can also select to get into the broken mechanism of second grade, tertiary crushing mechanism in proper order to grind the aggregate via the aggregate that the broken mechanism of one-level obtained to obtain the aggregate of smaller size and supply the operator to use, the utility model discloses when tertiary crushing mechanism used simultaneously, can reduce the load of the broken mechanism of each grade, increase the life of the broken mechanism at different levels. The utility model discloses can broken cobble, large-scale stone or dumped concrete, increase concrete aggregate reducing mechanism's application range, profit and use widely.

The embodiments and drawings of the present invention are only for illustrating the design concept of the present invention, and the protection scope of the present invention should not be limited to this embodiment.

From the above, it can be seen that the objects of the present invention are efficiently attained. The part of the embodiments that illustrate the objectives and the functional and structural objects of the invention, and include other equivalents.

Accordingly, the invention is intended to cover other equally effective embodiments, as the scope of the appended claims will refer to.

Claims (9)

1. The utility model provides a concrete aggregate reducing mechanism which characterized in that: including the broken case of one-level, the broken case of second grade, tertiary broken case, the broken mechanism of one-level, the broken mechanism of second grade and tertiary broken mechanism, the bottom of the broken case of this one-level is connected with the top of the broken case of this second grade and is link up, the inside at the broken case of this one-level is installed to the broken mechanism of this one-level, the broken incasement portion of this second grade is installed to the broken mechanism of this second grade, this tertiary broken mechanism is installed inside this tertiary broken incasement portion, be provided with stock stop between the broken case of this one-level and the broken case of this second grade.

2. The concrete aggregate crushing device as recited in claim 1, wherein the primary crushing mechanism comprises a primary crushing rotating shaft, a plurality of primary hammers fixed on the primary crushing rotating shaft, grate bars positioned below the crushing rotating shaft, and fixed impact plates and adjustable impact plates positioned on the front side and the rear side of the crushing rotating shaft.

3. The concrete aggregate crushing device as recited in claim 2, wherein the adjustable baffle is provided inside the primary crushing box by a bracket, a lower portion of the bracket is movably coupled inside the primary crushing box by a fixing shaft, and an upper portion of the bracket is fixed to an adjusting bolt extending outside the primary crushing box.

4. The concrete aggregate crushing device as recited in claim 3, wherein the secondary crushing mechanism comprises a first grinding rotating shaft, a plurality of first grinding heads fixed on the first grinding rotating shaft, and a first grinding disc surrounding the periphery of the first grinding rotating shaft.

5. The concrete aggregate crushing device as recited in claim 4, wherein the three-stage crushing mechanism comprises a second grinding rotating shaft, a plurality of second grinding heads fixed on the second grinding rotating shaft, and a second grinding disc surrounding the periphery of the second grinding rotating shaft.

6. The concrete aggregate crushing device as recited in claim 1, wherein the cross-sectional shape of the primary crushing box is a square, the cross-sectional shape of the secondary crushing box is a 6-letter, and the cross-sectional shape of the tertiary crushing box is a circle.

7. The concrete aggregate crushing device as recited in claim 5, wherein the side surface of the primary crushing box is provided with a side discharging window, and a cover plate is arranged on the periphery of the side discharging window.

8. The concrete aggregate crushing device as recited in claim 1, wherein the striker comprises a rotating shaft and a striker plate fixed to the rotating shaft.

9. The concrete aggregate crushing device as claimed in claim 1, wherein two parallel dovetail-shaped guide rails are arranged in the primary crushing box, and grooves with the same shape are arranged below the grate and matched with the shape of the dovetail-shaped guide rails.

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