Recycled concrete production device

By using a crushing motor to drive counter-rotating crushing teeth and hammers in a recycled concrete production device, the problem of manual crushing of harder or larger waste materials has been solved, achieving efficient crushing and improved safety.

CN224025134UActive Publication Date: 2026-03-24GUANGZHOU CHANGYUN READY-MIXED CONCRETE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In the current process of recycled concrete production, when encountering hard or large waste materials, manual crushing is required, which leads to low efficiency and significant safety hazards.

Method used

The crushing system uses a crushing motor to drive counter-rotating crushing teeth, and the motor drives a hammer to strike larger waste materials. Combined with a vacuum cleaner to remove dust, the system improves crushing efficiency and safety.

Benefits of technology

It improves the efficiency of waste crushing, reduces the need for manual crushing, enhances operational safety, and improves environmental cleanliness.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of concrete production, in particular to a recycled concrete production device which comprises a material collecting box body, a conveying belt is arranged in the material collecting box body, the upper side of the material collecting box body is fixedly connected with a crushing box body, and two groups of crushing teeth which are oppositely arranged are arranged in the crushing box body. A crushing motor is fixedly mounted on the front side of the crushing box body, a feeding box body is fixedly connected to the upper side of the crushing box body, a plurality of groups of pre-crushing mechanisms are arranged in the feeding box body, and each pre-crushing mechanism comprises an equipment motor, a positioning block, a transmission rod, a rubber rod, a knocking hammer, a conical tooth, a first bevel gear, a rotating shaft and a second bevel gear; and a knocking hammer on the lower side of the equipment motor ascends and descends, the knocking hammer is matched with conical teeth on the surface to knock large waste materials, auxiliary crushing of the large waste materials is achieved, the crushing efficiency of the waste materials is effectively improved, and the operation safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete production technical field, concretely relates to a kind of recycled concrete production device. BACKGROUND

[0002] With the acceleration of urbanization, construction waste is increasing, how to efficiently and environmentally handle these waste becomes the focus of the industry, recycled concrete technology as a green building material production method, has received extensive attention, traditional recycled concrete production usually includes crushing, screening, washing and mixing etc. Construction waste is crushed into small pieces by the crusher, and the screening machine divides it into aggregates of different particle sizes, the cleaning equipment removes impurities on the surface of the aggregate, and finally the mixing equipment mixes the aggregate with cement, additives and other materials to make recycled concrete.

[0003] The existing crusher is driven by two sets of crushing teeth, and the stone is crushed, but in actual use, when hard or large waste appears, artificial hammering is needed to assist in crushing, the artificial auxiliary crushing efficiency is low, and the safety hazard is large.

[0004] Therefore, it is necessary to invent a recycled concrete production device to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of recycled concrete production device to solve the problem that when hard or large waste appears, artificial hammering is needed to assist in crushing, the artificial auxiliary crushing efficiency is low, and the safety hazard is large.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of recycled concrete production device, including aggregate box body, the inside of the aggregate box body is provided with conveying belt, the upper side of the aggregate box body is fixedly connected with crushing box body, the inside of the crushing box body is provided with two groups of oppositely arranged crushing teeth, the front side of the crushing box body is fixedly installed with crushing motor, the upper side of the crushing box body is fixedly connected with feeding box body, the inside of the feeding box body is provided with multiple pre-crushing mechanisms, pre-crushing mechanism includes equipment motor, positioning block, transmission rod, rubber rod, knocking hammer, conical tooth, first bevel gear, rotating shaft, second bevel gear.

[0007] By adopting the above technical scheme, the crushing motor drives the two sets of crushing teeth to rotate oppositely, and the waste is crushed, at the same time, the equipment motor drives the knocking hammer to swing up and down to hammer the larger waste, accelerates the crushing of the waste, and improves the crushing efficiency of the waste.

[0008] Optionally, the inside of the crushing box is rotatably connected with two groups of transmission shafts, the two groups of crushing teeth are fixedly connected with the two groups of transmission shafts respectively, and the output of the crushing motor is fixedly connected with the front end of the right transmission shaft.

[0009] Optionally, the rear end of each of the two groups of transmission shafts is fixedly connected with a transmission gear, and the two groups of transmission gears are meshingly connected.

[0010] Through the above technical scheme, the output end of the crushing motor drives the right transmission shaft to rotate, and under the cooperation of the two groups of transmission gears, the left transmission shaft rotates oppositely, thereby driving the two groups of crushing teeth to rotate oppositely to crush the waste materials.

[0011] Optionally, the left surface of the feeding box is provided with a feeding port, the left end of the feeding port is fixedly connected with a feeding plate, and the equipment motor is fixedly installed on the front surface of the feeding box.

[0012] Through the above technical scheme, the feeding plate is used for guiding the waste materials into the inside of the feeding port.

[0013] Optionally, the inner wall of the feeding box is fixedly connected with a longitudinal partition plate, the right surface of the partition plate is fixedly connected with a plurality of support plates, the rotating shaft is rotatably connected with the support plates, the surface of the rotating shaft is fixedly connected with a plurality of second bevel gears, and the front end of the rotating shaft is fixedly connected with the output of the equipment motor.

[0014] Through the above technical scheme, the output end of the equipment motor drives the rotating shaft to rotate, and the rotating shaft drives the plurality of second bevel gears to rotate.

[0015] Optionally, the left surface of the partition plate is fixedly connected with a plurality of positioning blocks, the inside of each positioning block is rotatably connected with a connecting rod, the right end of the connecting rod is fixedly connected with the first bevel gear, the first bevel gear is meshingly connected with the second bevel gear, and the left end of the connecting rod is fixedly connected with the lower end of the transmission rod.

[0016] Through the above technical scheme, the second bevel gear drives the first bevel gear to rotate in the process of rotating, and the first bevel gear drives the transmission rod to rotate through the connecting rod.

[0017] Optionally, the upper end of the transmission rod is rotatably connected with the upper end of a rubber rod, the lower end of the rubber rod is fixedly connected with the surface of a knocking hammer, and the surface of the knocking hammer is fixedly connected with a plurality of tapered teeth.

[0018] Through the above technical scheme, the transmission rod drives the rubber rod to rotate, thereby driving the knocking hammer to ascend and descend, cooperating with the tapered teeth to assist in crushing the waste materials, and improving the crushing efficiency of the waste materials.

[0019] Optionally, the surface of the partition plate is fixedly connected with a plurality of dust suction boxes near the lower side position, the right side of the crushing box body is fixedly installed with a dust collector, the upper side of the dust collector is fixedly connected with a plurality of dust suction pipes, and the left ends of the dust suction pipes are fixedly connected with the plurality of dust suction boxes respectively.

[0020] By adopting the above technical scheme, the dust collector cooperates with the dust suction box to suck the dust generated in the crushing process, so that the dust is prevented from spreading, and the cleanliness of the environment is improved.

[0021] In the above technical scheme, the technical effects and advantages of the utility model are provided.

[0022] 1. The utility model discloses a crushing motor drives two sets of crushing teeth to rotate oppositely to crush waste, and meanwhile, a device motor drives a knocking hammer to swing up and down to hammer larger waste, so that the crushing of waste is accelerated, the crushing efficiency of waste is improved, the operation safety is improved, and the problems that when hard or large waste appears, manual hammering is needed to assist in crushing, the crushing efficiency of manual assistance is low, and the safety risk is large are solved.

[0023] 2. The utility model discloses that the surface of the partition plate is fixedly connected with a plurality of dust suction boxes near the lower side position, and under the action of the dust collector, the dust generated in the crushing process is sucked by the dust suction box, so that the dust is effectively prevented from spreading, and the cleanliness of the environment is improved. DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a feeding box body structure schematic view of the utility model;

[0026] Figure 3 It is a feeding box body internal structure schematic view of the utility model;

[0027] Figure 4 It is a crushing box body internal structure schematic view of the utility model;

[0028] Figure 5 It is a pre-crushing mechanism structure schematic view of the utility model;

[0029] Figure 6 It is a knocking hammer structure schematic view of the utility model.

[0030] DRAWINGS

[0031] 1, aggregate box; 11, conveyor belt; 2, crushing box; 21, crushing motor; 22, transmission shaft; 23, crushing tooth; 24, transmission gear; 3, feed box; 31, feed inlet; 32, feed plate; 33, equipment motor; 34, partition; 35, positioning block; 36, transmission rod; 37, rubber rod; 38, knocking hammer; 39, bevel gear; 310, first bevel gear; 311, rotating shaft; 312, second bevel gear; 313, support plate; 4, dust collector; 41, dust collection pipeline; 42, dust collection box. DETAILED DESCRIPTION

[0032] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0033] The utility model provides a kind of recycled concrete production device as shown in Figures 1 to 4 It includes aggregate box 1, the inside of aggregate box 1 is provided with conveyor belt 11, the upper side of aggregate box 1 is fixedly connected with crushing box 2, the inside of crushing box 2 is provided with two groups of oppositely arranged crushing teeth 23, the front side of crushing box 2 is fixedly installed with crushing motor 21, the inside of crushing box 2 is rotatably connected with two groups of transmission shafts 22, two groups of crushing teeth 23 are fixedly connected with two groups of transmission shafts 22 respectively, the output of crushing motor 21 is fixedly connected with the front end of right transmission shaft 22, the rear end of two groups of transmission shafts 22 is fixedly connected with transmission gear 24, two groups of transmission gears 24 are engagedly connected, the upper side of crushing box 2 is fixedly connected with feed box 3, the inside of feed box 3 is provided with multiple pre-crushing mechanisms, pre-crushing mechanism includes equipment motor 33, positioning block 35, transmission rod 36, rubber rod 37, knocking hammer 38, bevel gear 39, first bevel gear 310, rotating shaft 311, second bevel gear 312.

[0034] Among them, aggregate box 1 is used for collecting the waste after crushing, and the crushed material is sequentially transmitted to the inside of screening module, cleaning module and mixing module by conveyor belt 11, screening module adopts multi-stage screening machine, and the crushed material is screened into aggregate of different particle sizes, then the cleaning module washes the aggregate of different particle sizes respectively, in the process of washing, high-pressure water gun and rotary brush washing are combined to improve the cleaning effect and efficiency, and the impurities on the surface of the crushed material are washed clean to ensure the quality of the aggregate, while the waste water treatment device is additionally arranged to carry out sedimentation, filtration and disinfection treatment on the cleaning waste water, so that the waste water is recycled, then the aggregate is transported to the mixing module, and the mixing module uses high-efficiency mixer to mix the washed aggregate with cement, additives and the like to produce recycled concrete.

[0035] Specifically, in the process of crushing waste, first, the waste is hammered by the pre-crushing mechanism to break down the large pieces of waste into smaller pieces. Then, the right transmission shaft 22 is driven to rotate by the crushing motor 21, the rear transmission gear 24 is driven to rotate by the right transmission shaft 22, the left and right transmission shafts 22 are driven to rotate in opposite directions by the two sets of transmission gears 24, and the two sets of crushing teeth 23 are driven to rotate in opposite directions, thereby crushing the waste. The crushed waste falls into the inside of the material collecting box 1 and is transported outward by the conveyor belt 11.

[0036] Referring to Figure 2 , Figure 3 , Figure 5 and Figure 6 , the left side surface of the feeding box 3 is provided with a feeding port 31, the left end of the feeding port 31 is fixedly connected with a feeding plate 32, a device motor 33 is fixedly installed on the front side surface of the feeding box 3, the inner wall of the feeding box 3 is fixedly connected with a longitudinal partition plate 34, the right side surface of the partition plate 34 is fixedly connected with a plurality of support plates 313, a rotating shaft 311 is rotatably connected with the support plate 313, a plurality of second bevel gears 312 are fixedly connected with the surface of the rotating shaft 311, the front end of the rotating shaft 311 is fixedly connected with the output of the device motor 33, a plurality of positioning blocks 35 are fixedly connected with the left side surface of the partition plate 34, a connecting rod is rotatably connected in the inside of the positioning block 35, the right end of the connecting rod is fixedly connected with the first bevel gear 310, the first bevel gear 310 is meshingly connected with the second bevel gear 312, the left end of the connecting rod is fixedly connected with the lower end of a transmission rod 36, the upper end of the transmission rod 36 is rotatably connected with the upper end of a rubber rod 37, the lower end of the rubber rod 37 is fixedly connected with the surface of a knocking hammer 38, a plurality of tapered teeth 39 are fixedly connected with the surface of the knocking hammer 38.

[0037] In addition, in the process of auxiliary crushing of large waste, the waste is poured onto the surface of the feeding plate 32, the inclined feeding plate 32 transports the waste into the inside of the feeding port 31, and the waste slides into the inside of the feeding box 3 through the feeding port 31, and slides along the inclined inner wall to between the two sets of crushing teeth 23, and the waste is crushed by the two sets of crushing teeth 23, while the output end of the device motor 33 drives the rotating shaft 311 to rotate, the rotating shaft 311 drives the plurality of second bevel gears 312 on its surface to rotate, the second bevel gear 312 drives the first bevel gear 310 matched therewith to rotate, the first bevel gear 310 drives the front transmission rod 36 through the connecting rod to rotate, the transmission rod 36 drives the upper end of the rubber rod 37 to rotate, and in turn drives the lower knocking hammer 38 to ascend and descend, the knocking hammer 38 cooperates with the tapered teeth 39 on the surface to knock the large waste, thereby achieving auxiliary crushing of the large waste and effectively improving the crushing efficiency of the waste.

[0038] Referring to Figure 4 andFigure 5 The surface of the partition plate 34 is fixedly connected with a plurality of dust absorption boxes 42 near the lower side, a dust collector 4 is fixedly installed on the right side of the crushing box 2, a plurality of dust absorption pipes 41 are fixedly connected with the upper side of the dust collector 4, and the left ends of the dust absorption pipes 41 are fixedly connected with the plurality of dust absorption boxes 42 respectively.

[0039] Meanwhile, in the process of crushing the waste, the dust collector 4 sucks the dust generated in the crushing through the cooperation of the dust absorption pipes 41 and the dust absorption boxes 42, effectively avoids the dust overflow, and improves the cleanliness of the surrounding environment.

[0040] The working principle of the utility model is as follows: after the waste is sent into the inside of the feeding box 3, the output end of the equipment motor 33 drives the rotating shaft 311 to rotate, under the cooperation of the two bevel gears, the lower side of the knocking hammer 38 is driven to lift, the knocking hammer 38 cooperates with the surface of the conical tooth 39 to knock the large waste, the auxiliary crushing of the large waste is realized, the crushing efficiency of the waste is effectively improved, the operation safety is improved, the dust generated in the crushing is continuously sucked by the dust collector 4, and the environmental cleanliness is effectively improved.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and range of the utility model, and these changes and improvements all fall within the scope of the utility model.

Claims

1. A device for producing recycled concrete, comprising a bin (1) of aggregate, characterized in that: The inside of the aggregate box (1) is provided with a conveying belt (11), the upper side of the aggregate box (1) is fixedly connected with a crushing box (2), the inside of the crushing box (2) is provided with two groups of oppositely arranged crushing teeth (23), the front side of the crushing box (2) is fixedly installed with a crushing motor (21), the upper side of the crushing box (2) is fixedly connected with a feeding box (3), the inside of the feeding box (3) is provided with a plurality of pre-crushing mechanisms, and the pre-crushing mechanism comprises an equipment motor (33), a positioning block (35), a transmission rod (36), a rubber rod (37), a knocking hammer (38), a bevel gear (39), a first bevel gear (310), a rotating shaft (311), and a second bevel gear (312).

2. A device for producing recycled concrete according to claim 1, characterized in that: The inside of the crushing box (2) is rotatably connected with two groups of transmission shafts (22), the two groups of crushing teeth (23) are fixedly connected with the two groups of transmission shafts (22) respectively, and the output of the crushing motor (21) is fixedly connected with the front end of the right transmission shaft (22).

3. A device for producing recycled concrete according to claim 2, characterized in that: The rear ends of the two groups of transmission shafts (22) are fixedly connected with transmission gears (24), and the two groups of transmission gears (24) are meshedly connected.

4. The apparatus for producing recycled concrete according to claim 1, wherein: The left surface of the feeding box (3) is provided with a feeding port (31), the left end of the feeding port (31) is fixedly connected with a feeding plate (32), and the equipment motor (33) is fixedly installed on the front surface of the feeding box (3).

5. The apparatus for producing recycled concrete according to claim 1, wherein: The inner wall of the feeding box (3) is fixedly connected with a longitudinal partition plate (34), the right surface of the partition plate (34) is fixedly connected with a plurality of support plates (313), the rotating shaft (311) is rotatably connected with the support plate (313), the surface of the rotating shaft (311) is fixedly connected with a plurality of second bevel gears (312), and the front end of the rotating shaft (311) is fixedly connected with the output of the equipment motor (33).

6. A device for producing recycled concrete according to claim 5, characterized in that: The left surface of the partition plate (34) is fixedly connected with a plurality of positioning blocks (35), the inside of the positioning block (35) is rotatably connected with a connecting rod, the right end of the connecting rod is fixedly connected with the first bevel gear (310), the first bevel gear (310) is meshedly connected with the second bevel gear (312), and the left end of the connecting rod is fixedly connected with the lower end of the transmission rod (36).

7. A device for producing recycled concrete according to claim 6, characterized in that: The upper end of the transmission rod (36) is rotatably connected with the upper end of the rubber rod (37), the lower end of the rubber rod (37) is fixedly connected with the surface of the knocking hammer (38), and the surface of the knocking hammer (38) is fixedly connected with a plurality of bevel gears (39).

8. A recycled concrete production apparatus according to claim 5, characterized in that: A plurality of dust suction boxes (42) are fixedly connected to the surface of the partition plate (34) close to the lower side, a dust collector (4) is fixedly installed on the right side of the crushing box (2), a plurality of dust suction pipelines (41) are fixedly connected to the upper side of the dust collector (4), and the left ends of the dust suction pipelines (41) are fixedly connected with the plurality of dust suction boxes (42) respectively.