Construction waste crushing and grading treatment device

By designing a construction waste crushing and grading treatment device, the concrete blocks are torn and crushed by rotating inverse crushing rings and crushing columns, the problem of difficult to grade and crush large-volume concrete blocks is solved, and efficient grading and utilization of concrete blocks is achieved.

CN223233931UActive Publication Date: 2025-08-19HENAN LANJI MASCH MFG CO LTD
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Patent Information

Application Number
CN202422045171.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-08-19
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The prior art is difficult to effectively grade large concrete blocks in construction waste, resulting in low utilization.

Method used

A construction waste crushing and grading treatment device is designed, and the concrete blocks are torn and crushed by rotating inverse crushing rings and crushing columns on the inner wall of the round table to achieve graded crushing of concrete blocks of different sizes.

Benefits of technology

It realizes efficient crushing and grading of large-volume concrete blocks, and improves the utilization rate of concrete blocks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a construction waste crushing and grading treatment device which comprises an annular hollow fixed cylinder, four crushing rings distributed at equal intervals are arranged on the inner wall of the annular hollow fixed cylinder, second crushing columns distributed at equal intervals are fixedly arranged on the inner walls of the crushing rings, bearings are fixedly arranged on the outer walls of the tops and the bottoms of the crushing rings, and the bearings are fixedly arranged on the outer walls of the bottoms of the crushing rings. And the outer walls of the bearings are fixedly connected with the inner walls of the annular hollow fixing cylinders, gear rings are fixedly arranged on the outer walls of the crushing rings, and vertically downward motors are fixedly arranged on the outer walls of the tops of the two annular hollow fixing cylinders. Concrete blocks are torn and crushed by rotating the crushing rings opposite to each other and arranging the second crushing columns and the first crushing columns on the inner walls of the circular truncated cones, the concrete blocks are gradually crushed from the tops between the circular truncated cones and the crushing rings, the sizes of the concrete blocks are continuously reduced for crushing, and the concrete blocks with different sizes can be crushed in a graded manner; and large-volume concrete blocks can be directly crushed.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction waste treatment, in particular to a construction waste crushing and grading treatment device. Background Art

[0002] Construction waste refers to the slag, abandoned soil, abandoned materials, silt and other waste generated during the construction, laying, demolition and repair of various buildings, structures, pipelines, etc. by construction units or individuals, and is classified according to the source of generation;

[0003] Construction waste can be divided into construction slag, decoration waste, demolition waste, construction mud, etc.; according to the composition, construction waste can be divided into slag, concrete blocks, broken stones, brick and tile fragments, waste mortar, mud, asphalt blocks, waste plastics, waste metals, waste bamboo and wood, etc.

[0004] Concrete block fastening waste in construction waste can be reused, but the concrete fragments in construction waste are of different sizes. The larger concrete blocks need to be further broken into small pieces for further crushing. It is difficult to grade and crush concrete blocks of different sizes. For this reason, we propose a construction waste crushing and grading processing device. Utility Model Content

[0005] The purpose of the utility model is to provide a device for crushing and grading construction waste to solve the above-mentioned technical deficiencies.

[0006] In order to achieve the above-mentioned object, the present invention provides the following technical solution: A construction waste crushing and grading processing device comprises an annular hollow fixed cylinder, the inner wall of the annular hollow fixed cylinder is provided with four pulverizing rings distributed at equal intervals, the inner wall of the pulverizing ring is fixed with second crushing columns distributed at equal intervals, the top and bottom outer walls of the pulverizing ring are fixed with bearings, the outer walls of the bearings are fixedly connected to the inner wall of the annular hollow fixed cylinder, the outer walls of the pulverizing ring are fixed with gear rings, the top outer walls of the two annular hollow fixed cylinders are fixed with vertically downward motors, the output shafts of the motors pass through the top outer walls of the annular hollow fixed cylinders and are fixed with rotating rods through couplings, the outer walls of the two rotating rods are respectively fixed with two driving gears, the bottom outer wall of the annular hollow fixed cylinder is fixed with a support plate, the center position of the support plate is fixed with a vertically upward support column, the top end of the support column is fixed with a hemispherical material guide cover, the bottom outer wall of the hemispherical material guide cover is fixed with a frustum, the outer wall of the frustum is fixed with a first crushing column, and the bottom outer wall of the first crushing column and the bottom inner wall of the pulverizing ring are clearance-fitted.

[0007] Preferably, the inner walls of the four pulverizing rings are bucket-shaped, and the contours of the top outer walls and bottom outer walls of adjacent pulverizing rings are adapted to each other.

[0008] Preferably, two transmission grooves are respectively formed on the outer walls on both sides of the annular hollow fixed cylinder, and the four transmission grooves are respectively located on one side of the gear ring, and the outer wall of the driving gear is meshed with the outer wall of the gear ring through the transmission grooves.

[0009] Preferably, two motor fixing covers are fixedly provided on the top outer wall of the annular hollow fixed cylinder, and the two motors are respectively fixed to the inner wall of the motor fixing cover. The output shafts of the two motors rotate in opposite directions. The output shafts of the motors drive the driving gear to rotate through the rotating rod, and the driving gear drives the gear ring to rotate through the transmission groove. The gear ring drives the four crushing rings to rotate, and the adjacent crushing rings rotate in opposite directions.

[0010] Preferably, a positioning cover is fixedly provided on the top outer wall of the annular hollow fixed cylinder, and a downwardly inclined baffle plate is fixedly provided on the top inner wall of the positioning cover. The positioning cover facilitates the placement of concrete blocks into the utility model, and the baffle plate can prevent the concrete blocks from flying out during the crushing process.

[0011] Preferably, the bottom outer wall of the annular hollow fixed cylinder is fixed with equidistantly distributed vertically downward supporting legs, and one end of the bottom of the supporting legs is fixed with a supporting plate, which facilitates the placement of the utility model at a designated position through the supporting legs and the support plate.

[0012] Preferably, a storage barrel is placed on the top outer wall of the support plate, and the concrete powder can be easily collected through the storage barrel.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The concrete blocks are torn and crushed by the counter-rotating crushing rings and the second crushing columns and the first crushing columns provided on the inner wall of the cone. The concrete blocks are gradually crushed from the top between the cone and the crushing rings. The volume of the concrete blocks is continuously reduced and crushed. Concrete blocks of different sizes can be crushed in grades and large-volume concrete blocks can be crushed directly, with good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a construction waste crushing and grading processing device of the present utility model;

[0017] Figure 2This is a schematic diagram of the cross-sectional structure of an annular hollow fixed cylinder of a construction waste crushing and grading processing device of the present utility model;

[0018] Figure 3 This is a schematic diagram of the truncated table structure of a construction waste crushing and grading device of the present utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of a crushing ring of a construction waste crushing and grading device of the present invention;

[0020] Figure 5 This is a schematic diagram of the crushing ring structure of a construction waste crushing and grading device of the present utility model;

[0021] Figure 6 The utility model is a schematic diagram of the cross-sectional structure of a positioning cover of a construction waste crushing and grading processing device.

[0022] Description of reference numerals:

[0023] 1 annular hollow fixed cylinder, 2 support plate, 3 support column, 4 hemispherical material guide cover, 5 round table, 6 first crushing column, 7 crushing ring, 8 second crushing column, 9 bearing, 10 gear ring, 11 motor, 12 rotating rod, 13 driving gear, 14 transmission groove, 15 motor fixing cover, 16 positioning cover, 17 material baffle, 18 supporting legs, 19 support plate, 20 storage barrel. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] Example 1

[0026] Refer to the instruction manual Figure 1-6A construction waste crushing and grading processing device includes an annular hollow fixed cylinder 1, the inner wall of the annular hollow fixed cylinder 1 is provided with four equally spaced crushing rings 7, the inner wall of the crushing ring 7 is fixed with equally spaced second crushing columns 8, the top and bottom outer walls of the crushing ring 7 are fixed with bearings 9, the outer wall of the bearing 9 is fixedly connected to the inner wall of the annular hollow fixed cylinder 1, the outer wall of the crushing ring 7 is fixed with a gear ring 10, the top outer walls of the two annular hollow fixed cylinders 1 are fixed with vertically downward motors 11, the output shaft of the motor 11 passes through A rotating rod 12 is fixed to the top outer wall of the annular hollow fixed cylinder 1 through a coupling, and two driving gears 13 are fixed to the outer walls of the two rotating rods 12 respectively. A support plate 2 is fixed to the bottom outer wall of the annular hollow fixed cylinder 1, and a vertically upward support column 3 is fixed to the central position of the support plate 2. A hemispherical material guide cover 4 is fixed to one end of the top of the support column 3, and a frustum 5 is fixed to the bottom outer wall of the hemispherical material guide cover 4. The outer wall of the frustum 5 is fixed to the first crushing column 6, and the bottom outer wall of the first crushing column 6 and the bottom inner wall of the crushing ring 7 are clearance-fitted.

[0027] Example 2

[0028] Based on the first embodiment, a positioning cover 16 is fixed on the top outer wall of the annular hollow fixed cylinder 1, and a downward-inclined baffle plate 17 is fixed on the top inner wall of the positioning cover 16. The positioning cover 16 facilitates the placement of concrete blocks into the present invention, and the baffle plate 17 can prevent the concrete blocks from flying out during the crushing process. The bottom outer wall of the annular hollow fixed cylinder 1 is fixed with equidistantly distributed vertically downward support legs 18, and a support plate 19 is fixed at one end of the bottom of the support leg 18. The support legs 18 and the support plate 19 facilitate the placement of the present invention in a designated position. A storage bucket 20 is placed on the top outer wall of the support plate 19, and the storage bucket 20 facilitates the collection of concrete powder.

[0029] Example 3

[0030] Based on the first embodiment, the inner walls of the four crushing rings 7 are bucket-shaped, and the top outer walls and bottom outer wall contours of adjacent crushing rings 7 are adapted to each other. Two transmission grooves 14 are respectively opened on the outer walls of both sides of the annular hollow fixed cylinder 1. The four transmission grooves 14 are respectively located on one side of the gear ring 10. The outer wall of the driving gear 13 is engaged with the outer wall of the gear ring 10 through the transmission groove 14. Two motor fixing covers 15 are fixed on the top outer wall of the annular hollow fixed cylinder 1. The two motors 11 are respectively fixed to the inner walls of the motor fixing cover 15. The output shafts of the two motors 11 rotate in opposite directions. The output shaft of the motor 11 drives the driving gear 13 to rotate through the rotating rod 12. The driving gear 13 drives the gear ring 10 to rotate through the transmission groove 14. The gear ring 10 drives the four crushing rings 7 to rotate, and the adjacent crushing rings 7 rotate in opposite directions.

[0031] Working principle of this utility model:

[0032] Refer to the instruction manual Figure 1-6 When the utility model is used, the concrete block to be crushed is first poured between the truncated table 5 and the crushing ring 7 through the positioning cover 16. At this time, the output shafts of the two motors 11 drive the rotating rod 12 to rotate, and the rotating rod 12 drives the driving gear 13 to drive the gear ring 10 to rotate through the transmission groove 14. The four crushing rings 7 start to rotate, and the adjacent crushing rings 7 rotate in opposite directions. The second crushing columns 8 and the first crushing columns 6 provided on the inner wall of the truncated table 5 are used to tear and crush the concrete block. The concrete block is gradually crushed from the top between the truncated table 5 and the crushing ring 7, and the volume of the concrete block is continuously reduced and crushed. Concrete blocks of different sizes can be graded and crushed, and large-volume concrete blocks can be directly crushed, with good use effect. After the concrete block is crushed, its head falls into the storage bucket 20 through the gap between the truncated table 5 and the bottom of the crushing ring 7.

[0033] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A construction waste crushing and grading device, comprising an annular hollow fixed cylinder (1), characterized in that: The inner wall of the annular hollow fixed cylinder (1) is provided with four pulverizing rings (7) distributed at equal intervals, the inner wall of the pulverizing ring (7) is fixedly provided with second pulverizing columns (8) distributed at equal intervals, the top and bottom outer walls of the pulverizing ring (7) are fixedly provided with bearings (9), the outer wall of the bearing (9) is fixedly connected to the inner wall of the annular hollow fixed cylinder (1), the outer wall of the pulverizing ring (7) is fixedly provided with a gear ring (10), the top outer walls of the two annular hollow fixed cylinders (1) are fixedly provided with vertically downward motors (11), the output shaft of the motor (11) passes through the top outer wall of the annular hollow fixed cylinder (1) and The coupling is fixed with a rotating rod (12), and two driving gears (13) are fixed on the outer walls of the two rotating rods (12) respectively. A support plate (2) is fixed on the bottom outer wall of the annular hollow fixed cylinder (1), and a vertically upward support column (3) is fixed at the central position of the support plate (2). A hemispherical material guide cover (4) is fixed on one end of the top of the support column (3), and a round table (5) is fixed on the bottom outer wall of the hemispherical material guide cover (4). A first crushing column (6) is fixed on the outer wall of the round table (5), and the bottom outer wall of the first crushing column (6) and the bottom inner wall of the crushing ring (7) are clearance-matched.

2. The construction waste crushing and grading device according to claim 1, characterized in that: The inner walls of the four crushing rings (7) are bucket-shaped structures.

3. The construction waste crushing and grading processing device according to claim 1, characterized in that: Two transmission grooves (14) are respectively formed on the outer walls of both sides of the annular hollow fixed cylinder (1), and the four transmission grooves (14) are respectively located on one side of the gear ring (10). The outer wall of the driving gear (13) is meshed with the outer wall of the gear ring (10) through the transmission grooves (14).

4. The construction waste crushing and grading device according to claim 1, characterized in that: Two motor fixing covers (15) are fixedly provided on the top outer wall of the annular hollow fixing cylinder (1), and the two rotating rods (12) are respectively fixed to the inner walls of the motor fixing covers (15). The output shafts of the two rotating rods (12) rotate in opposite directions.

5. The construction waste crushing and grading device according to claim 1, characterized in that: A positioning cover (16) is fixedly provided on the top outer wall of the annular hollow fixed cylinder (1), and a material blocking plate (17) inclined downward is fixedly provided on the top inner wall of the positioning cover (16).

6. The construction waste crushing and grading device according to claim 1, characterized in that: The outer wall of the bottom of the annular hollow fixed cylinder (1) is fixedly provided with support legs (18) distributed equidistantly and extending vertically downward, and a support plate (19) is fixedly provided at one end of the bottom of the support legs (18).

7. The construction waste crushing and grading device according to claim 6, characterized in that: A material storage barrel (20) is placed on the top outer wall of the support plate (19).