A reinforced concrete recycling device

By designing a steel and cement recycling device with a rotating crushing roller and protective cover, the problems of low crushing efficiency, significant safety hazards, and low collection efficiency of existing equipment have been solved, achieving efficient crushing and safe material collection, and improving the overall performance of the equipment.

CN224541838UActive Publication Date: 2026-07-24ZHIHUAI CONSTR GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHIHUAI CONSTR GRP CO LTD
Filing Date
2025-08-27
Publication Date
2026-07-24

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    Figure CN224541838U_ABST
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Abstract

The utility model discloses a reinforced concrete recycling device relates to reinforced concrete recycling technical field, including the machine box, the machine box top sets up conveying part, and the crushing part includes the first crushing roller and the second crushing roller of setting in the machine box and doing the rotary motion, and the outer surface of first crushing roller and second crushing roller respectively circumferential array sets up a plurality of first crushing tooth and second crushing tooth, and the side lower part of first crushing roller and second crushing roller sets up the collection part, and the collection part includes the lower guide plate and the side guide plate, and the side below of lower guide plate sets up the collection box for the centralized collection broken reinforced concrete material, and the crushing part top sets up the feeding port, and the feeding port top swing sets up the protection part, and the protection part includes the protection cover of the bending board state structure. The utility model provides a reinforced concrete recycling device, can efficiently crush the material of reinforced concrete, carries out the centralized collection to the material after crushing, strengthens safety protection in the crushing process, prevents the splash of the gravel and scratches the staff.
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Description

Technical Field

[0001] This utility model relates to the field of steel and cement recycling technology, specifically a steel and cement recycling device. Background Technology

[0002] The construction industry generates a large amount of waste reinforced concrete components (such as waste concrete beams, columns, and walls). Direct landfilling of this waste not only occupies land resources but also causes environmental pollution; traditional manual crushing methods are inefficient and pose safety hazards. Existing crushing equipment has the following drawbacks: The crushing efficiency is low, requiring employees to feed steel bars and cement waste into the crusher. A slight mishap can result in cuts from flying debris. It struggles to simultaneously meet the rapid crushing demands of steel bars and cement, leading to excessively large cement blocks or tangled steel bars. Collection efficiency is low, with crushed materials easily accumulating in corners of the equipment, requiring manual cleaning and increasing labor intensity. Safety protection is inadequate; the feed inlet lacks protective structures, and flying debris during crushing can easily cause accidents. Conveying stability is poor; materials on the conveyor belt are prone to shifting, causing them to scatter and potentially injuring employees' feet.

[0003] Therefore, improvements should be made to address the aforementioned issues. Utility Model Content

[0004] The purpose of this invention is to address the above problems by providing a steel and cement recycling device that can efficiently crush steel and cement materials, collect the crushed materials centrally, strengthen safety protection during the crushing process to prevent flying debris from injuring employees, and also prevent foreign objects from entering the steel and cement recycling device.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A reinforced concrete recycling device includes a housing. A conveying section is provided on the top of the housing for conveying reinforced concrete material towards a crushing section. The crushing section includes a first crushing roller and a second crushing roller that rotate within the housing. Multiple first crushing teeth and second crushing teeth are arranged in a circumferential array on the outer surfaces of the first and second crushing rollers, respectively. A collecting section is provided on the lower side of the first and second crushing rollers. The collecting section includes an inclined lower guide plate and a side guide plate vertically arranged on the side of the first crushing roller. A collecting box for collecting the crushed reinforced concrete material is provided below the side of the lower guide plate. An inlet is provided above the crushing section. A protective section is movably arranged above the inlet. The protective section includes a protective cover with a bent plate-like structure.

[0006] As a further improvement to the above solution, the end of the first crushing roller extending out of the machine housing is connected to the output end of the second reducer, the input end of the second reducer is connected to the output end of the second motor, the driving gear at the end of the first crushing roller meshes with the driven gear at the end of the second crushing roller, and the second motor is located in the support box on the outer wall of the machine housing.

[0007] As a further improvement to the above solution, the conveying section includes a first conveying roller and a second conveying roller arranged in a horizontal rotation, and a conveyor belt is provided on the outer surface of the first conveying roller and the second conveying roller.

[0008] As a further improvement to the above solution, one end of the first conveying roller extending out of the first support seat is connected to the first reducer, the first reducer is connected to the first motor, and the end of the second conveying roller is rotatably disposed in the second support seat on the machine housing.

[0009] As a further improvement to the above solution, side baffles are symmetrically arranged on both sides of the conveyor belt and on the machine housing. The side baffles have an L-shaped plate structure, and the lower part of the side baffles is connected to the machine housing by screws or bolts.

[0010] As a further improvement to the above solution, multiple rollers are rotatably installed at the bottom of the collection box, a horizontal plate is provided on the side of the collection box to connect to the telescopic shaft end of the electric push rod, and an opening is provided on the side wall of the casing for the collection box to enter and exit.

[0011] As a further improvement to the above solution, the protective part includes a protective cover, which has a bent plate-like structure, and a slider provided on the inner side wall of the protective cover is slidably disposed in a guide rail on the outer wall of the chassis.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: it can efficiently crush steel bars and cement materials, collect the crushed materials in a centralized manner, strengthen safety protection during the crushing process to prevent flying debris from scratching employees, and also prevent foreign objects from entering the steel bar and cement recycling device. Through the differential rotation and tooth design of the first crushing roller and the second crushing roller, the steel bars are sheared and stretched, and the cement is squeezed and crushed. The proportion of particles with a diameter ≤30mm is ≥90%. The inclined lower guide plate and the side guide plate form a guide channel, and the material slides into the collection box with a residual rate of <5%. The protective cover effectively covers the feed inlet, blocks flying debris, and reduces the accident rate by 80%. The L-shaped side baffle prevents the conveyor belt from deviating, and improves the material conveying efficiency while preventing the material from sliding off the side. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another perspective.

[0015] Figure 3 This is a top view of the structure of this utility model.

[0016] Figure 4 This is a three-dimensional structural diagram of the first and second crushing rollers of this utility model.

[0017] Figure 5 This is a side view of the structure of this utility model.

[0018] Figure 6 This is a schematic diagram of the main structure of this utility model.

[0019] Figure 7 This is a partially enlarged schematic diagram of the slider position of this utility model.

[0020] The text labels in the diagram represent: 1. Chassis; 2. Collection section; 3. Conveying section; 4. Protective section; 5. Crushing section; 201. Electric push rod; 202. Horizontal plate; 203. Collection box; 204. Side guide plate; 205. Roller; 206. Lower guide plate; 301. First motor; 302. First reducer; 303. First support seat; 304. First conveying roller; 305. Side baffle; 306. Conveyor belt; 307. Second support seat; 308. Second conveying roller; 401. Protective cover; 402. Slider; 403. Guide rail; 501. First crushing roller; 502. First crushing tooth; 503. Second crushing roller; 504. Second crushing tooth; 505. Second motor; 506. Second reducer; 507. Drive gear; 508. Driven gear; 509. Support box. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solution, the present invention will be described in detail below with reference to the embodiments. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.

[0022] like Figures 1-7As shown, the specific solution of this embodiment is as follows: a steel and cement recycling device includes a housing 1. A conveying section 3 is provided on the top of the housing 1 for conveying steel and cement material to the crushing section 5. The crushing section 5 includes a first crushing roller 501 and a second crushing roller 503 that are arranged in rotation within the housing 1. A plurality of first crushing teeth 502 and second crushing teeth 504 are respectively arranged in a circumferential array on the outer surfaces of the first crushing roller 501 and the second crushing roller 503. A collection section 2 is provided on the lower side of the first crushing roller 501 and the second crushing roller 503. The collection section 2 includes an inclined lower guide plate 206 and a side guide plate 204 that is vertically arranged on the side of the first crushing roller 501. A collection box 203 for collecting crushed steel and cement material is provided below the side of the lower guide plate 206. An inlet is provided above the crushing section 5. A protective section 4 is movably arranged above the inlet. The protective section 4 includes a protective cover 401 with a bent plate structure.

[0023] As a preferred embodiment of the above, the end of the first crushing roller 501 extending out of the housing 1 is connected to the output end of the second reducer 506, the input end of the second reducer 506 is connected to the output end of the second motor 505, the driving gear 507 provided at the end of the first crushing roller 501 meshes with the driven gear 508 provided at the end of the second crushing roller 503, and the second motor 505 is provided in the support housing 509 on the outer wall of the housing 1.

[0024] As a preferred embodiment of the above, the conveying unit 3 includes a first conveying roller 304 and a second conveying roller 308 that are horizontally rotatable, and a conveyor belt 306 is provided on the outer surface of the first conveying roller 304 and the second conveying roller 308.

[0025] As a preferred embodiment of the above, the first conveying roller 304 extends out of the first support 303 and is connected to the first reducer 302. The first reducer 302 is connected to the first motor 301. The end of the second conveying roller 308 is rotatably disposed in the second support 307 on the housing 1.

[0026] As a preferred embodiment of the above, side baffles 305 are symmetrically arranged on both sides of the conveyor belt 306 and on the housing 1. The side baffles 305 have an L-shaped plate structure, and the lower part of the side baffles 305 is connected to the housing 1 by screws or bolts.

[0027] As a preferred embodiment of the above, a plurality of rollers 205 are rotatably arranged at the bottom of the collection box 203, a horizontal plate 202 is provided on the side of the collection box 203 and connected to the telescopic shaft end of the electric push rod 201, and an opening is provided on the side wall of the housing 1 for the collection box 203 to enter and exit.

[0028] As a preferred embodiment of the above, the protective part 4 includes a protective cover 401, which has a bent plate-like structure. A slider 402 provided on the inner side wall of the protective cover 401 is slidably disposed in a guide rail 403 on the outer wall of the chassis 1.

[0029] The specific working principle of this utility model is as follows: During the conveying stage, the conveying unit 3 conveys the reinforced concrete material to the crushing unit 5, drives the first motor 301, the first conveying roller 304 to rotate, and the conveyor belt 306 conveys the material towards the crushing unit 5, and the material enters the machine box 1 from the feed inlet above the crushing unit 5 for crushing operation. During the crushing stage, the second motor 505 is driven, and the first crushing roller 501 and the second crushing roller 503 rotate in opposite directions through the meshing transmission of the drive gear 507 and the driven gear 508, crushing the material through toothed shearing and extrusion. During the collection stage, the crushed material slides down the lower guide plate 206 and the side guide plate 204 to the collection box 203. The electric push rod 201 drives the collection box 203 to move out of the machine housing 1, thereby realizing the centralized collection of the crushed material.

[0030] The side baffle 305 prevents materials from falling during the conveying stage. The slider 402 can reciprocate linearly within the guide rail 403. The slider 402 has a T-shaped block structure. When the employee pushes the protective cover 401, the feed inlet can be covered and protected.

[0031] Compared with existing technologies, this utility model can efficiently crush steel bars and cement materials, collect the crushed materials centrally, strengthen safety protection during the crushing process to prevent flying debris from injuring employees, and prevent foreign objects from entering the steel bar and cement recycling device. Through the differential rotation and tooth design of the first crushing roller 501 and the second crushing roller 503, the steel bars are sheared and stretched, and the cement is crushed by compression. The proportion of particles with a diameter ≤30mm is ≥90%. The inclined lower guide plate 206 and the side guide plate 204 form a guide channel, and the material slides into the collection box 203 with a residual rate of <5%. The protective cover 401 effectively covers the feed inlet, blocks flying debris, and reduces the accident rate by 80%. The L-shaped side baffle 305 prevents the conveyor belt 306 from deviating, improving the material conveying efficiency while preventing the material from sliding off the side.

[0032] It should be noted that, in this document, the terms "including," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Specific examples have been used in this document to illustrate the principles and implementation methods of the present invention. These examples are merely for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be pointed out that, due to the limitations of written expression and the objective existence of infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of the present invention to other situations without modification, should all be considered within the scope of protection of the present invention.

Claims

1. A steel reinforcement and cement recycling device, characterized in that, The machine includes a housing (1), and a conveying part (3) is provided on the top of the housing (1) for conveying steel and cement materials to the crushing part (5). The crushing part (5) includes a first crushing roller (501) and a second crushing roller (503) that rotate inside the housing (1). The outer surfaces of the first crushing roller (501) and the second crushing roller (503) are respectively arranged in a circumferential array with multiple first crushing teeth (502) and second crushing teeth (504). A collection part (2) is provided on the lower side of the first crushing roller (501) and the second crushing roller (503). The collection part (2) includes an inclined lower guide plate (206) and a side guide plate (204) vertically arranged on the side of the first crushing roller (501). A collection box (203) is provided below the side of the lower guide plate (206). An inlet is provided above the crushing part (5). A protective part (4) is movably provided above the inlet. The protective part (4) includes a protective cover (401) with a bent plate structure.

2. The reinforced concrete recycling device according to claim 1, characterized in that, The end of the first crushing roller (501) extending out of the housing (1) is connected to the output end of the second reducer (506), the input end of the second reducer (506) is connected to the output end of the second motor (505), the driving gear (507) provided at the end of the first crushing roller (501) meshes with the driven gear (508) provided at the end of the second crushing roller (503), and the second motor (505) is located in the support box (509) on the outer wall of the housing (1).

3. The steel reinforcement and cement recycling device according to claim 1, characterized in that, The conveying section (3) includes a first conveying roller (304) and a second conveying roller (308) arranged in a horizontal rotation, and a conveyor belt (306) is provided on the outer surface of the first conveying roller (304) and the second conveying roller (308).

4. A reinforced concrete recycling device according to claim 3, characterized in that, The first conveying roller (304) extends out of the first support seat (303) and is connected to the first reducer (302). The first reducer (302) is connected to the first motor (301). The end of the second conveying roller (308) is rotatably disposed in the second support seat (307) on the machine housing (1).

5. A reinforced concrete recycling device according to claim 3, characterized in that, Side baffles (305) are symmetrically arranged on both sides of the conveyor belt (306) and on the housing (1). The side baffles (305) have an L-shaped plate structure, and the lower part of the side baffles (305) is connected to the housing (1) by screws or bolts.

6. A reinforced concrete recycling device according to claim 1, characterized in that, The bottom of the collection box (203) is provided with multiple rollers (205) that rotate. The horizontal plate (202) on the side of the collection box (203) is connected to the telescopic shaft end of the electric push rod (201). The side wall of the machine body (1) is provided with an opening for the collection box (203) to enter and exit.

7. A reinforced concrete recycling device according to claim 1, characterized in that, The protective part (4) includes a protective cover (401), which has a bent plate structure. The slider (402) provided on the inner side wall of the protective cover (401) is slidably disposed in the guide rail (403) on the outer wall of the chassis (1).