Concrete plate waste recycling and crushing device

Abstract

The utility model discloses a concrete plate waste recycling and crushing device which comprises an outer shell, a belt conveying mechanism is arranged in a feeding port of the outer shell, the front side and the rear side of a conveying belt of the belt conveying mechanism are both in contact with the inner wall of the outer shell, and a sealing cover is fixedly arranged at the discharging end of the outer shell in a penetrating mode through bolts. A crushing assembly is arranged at the discharging end of the belt conveying mechanism. When the improved concrete plate waste recycling and crushing device is used, a hydraulic rod and a liquid injection mechanism are used for driving a pressing plate to do up-down linear track movement in a shell, and a belt conveyor is matched to push concrete plate waste so as to simulate knocking operation of a plurality of conical blocks on the concrete plate waste, so that the concrete plate waste is broken; and the situation that the device is damaged due to mutual abutting and clamping of reinforcing steel bars in the concrete plate waste and the crushing blades is avoided, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete waste crushing devices, in particular to a concrete slab waste recycling and crushing device. Background Art

[0002] The recycling of concrete slab waste is a process of resource recycling and reuse. Through recycling and reuse, concrete slab waste can be converted into products such as recycled aggregates and recycled concrete, providing a low-cost material source for the construction industry and creating employment opportunities at the same time. In the process of recycling concrete slab waste, crushing the concrete slab waste through a crushing device is a very important step.

[0003] In the existing concrete slab waste crushing devices, generally, the waste is crushed by rotating crushing blades. However, some concrete slab waste may contain steel bars, which will greatly damage the crushing blades of the crushing device when the crushing blades are used to crush the concrete slab waste, thereby reducing the service life of the device. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a concrete slab waste recycling and crushing device to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A concrete slab waste recycling and crushing device includes a housing. A belt conveying mechanism is arranged in the feeding port of the housing, and both the front and rear sides of the conveyor belt of the belt conveying mechanism are in contact with the inner wall of the housing. The discharging end of the housing is fixedly penetrated and provided with a cover through bolts. The discharging end of the belt conveying mechanism is provided with a crushing assembly, and an air suction mechanism is arranged on the top side of the housing.

[0006] The crushing assembly includes a backing plate, which is fixedly arranged at a position in the housing corresponding to the discharging end of the belt conveying mechanism. A plurality of hydraulic rods are fixedly penetrated through the top side of the housing corresponding to the backing plate, and the distance between adjacent two hydraulic rods is equal. The bottom ends of the plurality of hydraulic rods are jointly fixedly provided with a push plate. A plurality of tapered blocks are fixedly arranged on the bottom side of the push plate, and the distance between adjacent two tapered blocks is equal. A liquid injection mechanism is arranged on the top side of the housing corresponding to the hydraulic rods.

[0007] Preferably, the right side of the backing plate is arranged in an arc shape and is in contact with the outer wall of the right end of the conveyor belt of the belt conveying mechanism. The top side of the backing plate is coplanar with the top side of the conveyor belt of the belt conveying mechanism.

[0008] Preferably, the liquid injection mechanism includes a hydraulic oil pump, which is arranged on the right side of the hydraulic rod and fixedly connected to the top side of the housing. The discharge ends of the hydraulic oil pump are respectively communicated with the liquid inlet ends of the corresponding hydraulic rods through connecting pipes. A fuel tank is arranged on the right side of the hydraulic oil pump, and the bottom side of the fuel tank is fixedly connected to the top side of the housing. The return end of the hydraulic oil pump is communicated with the return end of the fuel tank through a return pipe.

[0009] Preferably, the air suction mechanism includes a water storage tank, which is arranged on the right side of the fuel tank and fixedly connected to the top side of the housing. The exhaust end of the water storage tank is communicated with the air inlet end of the fuel tank through a gas guide pipe. A number of first one-way valves are fixedly and penetratingly installed on the inner bottom wall of the water storage tank, and the air inlet ends of each first one-way valve penetrate the wall of the housing.

[0010] Preferably, a number of mesh plates are fixedly installed at the bottom inside the water storage tank, and the distance between adjacent two mesh plates is equal.

[0011] Preferably, a second one-way valve is arranged on the top side of the fuel tank, and the air inlet end of the second one-way valve penetrates the wall of the fuel tank.

[0012] The utility model has at least the following beneficial effects:

[0013] 1. When the improved concrete slab waste recycling and crushing device is in use, the pressing plate is driven to move linearly up and down inside the housing by the hydraulic rod and the liquid injection mechanism, and cooperates with the belt conveyor to push the concrete slab waste, so as to simulate the knocking operation of a number of conical blocks on the concrete slab waste, thereby crushing the concrete slab waste, avoiding the mutual conflict and clamping of the steel bars inside the concrete slab waste and the crushing blades, and prolonging the service life of the device;

[0014] 2. During the process of driving the hydraulic rod to expand and contract deforming, the above-mentioned liquid injection mechanism can synchronously suck the gas inside the housing through the air suction mechanism, so as to continuously form a negative pressure cavity at the discharge end inside the housing, and further enable some external gas to continuously flow into the housing from the feed inlet of the housing to supplement the gas lost inside the housing, and then block the dust inside the housing from flowing out of the housing through the air flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a schematic diagram of the whole of the present utility model;

[0017] Figure 2 For the present utility model Figure 1 Schematic diagram of the overall structure on the reverse side;

[0018] Figure 3 Front view of the internal structure of the housing of the present utility model;

[0019] Figure 4 Schematic diagram of the overall structure of the hydraulic rod and the backing plate of the present utility model;

[0020] Figure 5 Top view of the hydraulic oil pump, oil storage tank and water storage tank of the present utility model;

[0021] Figure 6 Schematic diagram of the internal structure of the oil storage tank and the water storage tank of the present utility model.

[0022] In the figure: 1, housing; 2, belt conveying mechanism; 3, crushing assembly; 31, backing plate; 32, hydraulic rod; 33, push plate; 34, tapered block; 35, liquid injection mechanism; 351, hydraulic oil pump; 352, oil storage tank; 4, air suction mechanism; 41, water storage tank; 42, first one-way valve; 43, mesh plate; 44, second one-way valve; 5, cover. Specific embodiments

[0023] In order to make the technical solutions and advantages of the present utility model clearer, the following further details the present utility model in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0024] The present utility model provides a technical solution: Refer to Figure 1 - Figure 6 , a concrete slab waste recycling and crushing device disclosed by the present utility model includes a housing 1, a belt conveying mechanism 2 is arranged in the feeding port of the housing 1, and both the front and rear sides of the conveyor belt of the belt conveying mechanism 2 are connected to the inner wall of the housing 1. The discharging end of the housing 1 is fixedly penetrated and provided with a cover 5 through bolts. The discharging end of the belt conveying mechanism 2 is provided with a crushing assembly 3, and an air suction mechanism 4 is arranged on the top side of the housing 1;

[0025] The crushing assembly 3 includes a backing plate 31, the backing plate 31 is fixedly arranged at a position in the housing 1 corresponding to the discharging end of the belt conveying mechanism 2, and a plurality of hydraulic rods 32 are fixedly penetrated and arranged at positions corresponding to the backing plate 31 on the top side of the housing 1, and the distance between adjacent two hydraulic rods 32 is equal. The bottom ends of the plurality of hydraulic rods 32 are fixedly provided with a push plate 33 together. A plurality of tapered blocks 34 are fixedly arranged on the bottom side of the push plate 33, and the distance between adjacent two tapered blocks 34 is equal. A liquid injection mechanism 35 is arranged at a position corresponding to the hydraulic rods 32 on the top side of the housing 1.

[0026] In this embodiment, when the improved concrete plate waste recycling and crushing device is used, the operator controls the hydraulic rod 32 to reciprocate and extend through the injection mechanism 35, thereby driving the push plate 33 to move linearly in an upward trajectory in the shell 1, and then the operator inserts the concrete plate waste into the shell 1 from the feed port of the shell 1, and places the concrete plate waste on the belt conveyor. The belt conveyor intermittently pushes the concrete plate waste toward the pad 31. When the concrete plate waste moves to the pad 31, as the push plate 33 moves downward, a plurality of conical blocks 34 repeatedly contact with the concrete plate waste. The waste concrete plates collide with each other, thereby breaking the waste concrete plates on the pad 31. After the conical block 34 breaks the waste concrete plates, some of the broken concrete blocks slide from the pad 31 into the storage area in the shell 1 when the pressing plate moves up, thereby making the waste concrete plates on the pad 31 thinner. Subsequently, due to the subsequent pressing of the pressing plate on the steel bars in the waste concrete plates, the waste concrete on the steel bars are separated from the steel bars. When the waste concrete plates are subsequently moved to the pad 31, all the remaining concrete fragments on the pad 31 can be pushed to the storage area in the shell 1.

[0027] During the process of the liquid injection mechanism 35 driving the hydraulic rod 32 to extend and contract, the gas in the shell 1 can be synchronously absorbed by the suction mechanism 4, so that the discharge end in the shell 1 continuously forms a negative pressure cavity, so that part of the external gas continuously flows into the shell 1 from the feed port of the shell 1 to replenish the gas lost in the shell 1, and then the dust in the shell 1 is blocked from flowing out of the shell 1 through the airflow;

[0028] After the above-mentioned concrete plate waste is crushed, the operator unscrews the bolts on the cover 5, so that the crushed concrete blocks and steel bars in the shell 1 are taken out from the shell 1 through the discharge end of the shell 1.

[0029] In a further preferred embodiment of the present invention, Figure 3 and Figure 4 As shown, the right side of the pad 31 is arranged in an arc shape and contacts the outer wall of the right end of the conveyor belt of the belt conveyor mechanism 2, and the top side of the pad 31 is coplanar with the top side of the conveyor belt of the belt conveyor mechanism 2;

[0030] In this embodiment, during the collision between the conical block 34 and the concrete sheet waste, the concrete sheet waste will not be displaced due to the support and positioning of the concrete sheet waste by the pad 31, so that the conical block 34 and the concrete sheet waste are in stable collision.

[0031] In a further preferred embodiment of the present invention, Figure 1 and Figure 5As shown in the figure, the liquid injection mechanism 35 includes a hydraulic oil pump 351. The hydraulic oil pump 351 is arranged on the right side of the hydraulic rod 32, and the hydraulic oil pump 351 is fixedly connected to the top side of the housing 1. The several discharge ends of the hydraulic oil pump 351 are respectively communicated with the liquid inlet ends of the corresponding hydraulic rods 32 through connecting pipes. A fuel tank 352 is arranged on the right side of the hydraulic oil pump 351, and the bottom side of the fuel tank 352 is fixedly connected to the top side of the housing 1. The return end of the hydraulic oil pump 351 is communicated with the return end of the fuel tank 352 through a return pipe.

[0032] In this embodiment, during the telescopic process of the above-mentioned hydraulic rod 32, the operator starts the hydraulic oil pump 351, extracts a specific amount of hydraulic oil from the fuel tank 352, and quickly injects the hydraulic oil into the hydraulic rod 32 until the pressure in the hydraulic rod 32 reaches the threshold value, so that the hydraulic rod 32 is stretched to a corresponding degree. Subsequently, the hydraulic oil pump 351 quickly extracts the hydraulic oil injected into the hydraulic rod 32 and reinjects the hydraulic oil into the liquid storage tank through the return pipe. In this way, the device does not need to be connected to an external pipeline during use, which facilitates the installation and movement of the device.

[0033] In a further preferred embodiment of the present utility model, as Figure 1 , Figure 3 , Figure 5 and Figure 6 shown, the air suction mechanism 4 includes a water storage tank 41. The water storage tank 41 is arranged on the right side of the fuel tank 352, and the bottom side of the water storage tank 41 is fixedly connected to the top side of the housing 1. The exhaust end of the water storage tank 41 is communicated with the air inlet end of the fuel tank 352 through a gas guide pipe. A plurality of first one-way valves 42 are relatively fixedly penetrated and installed on the inner bottom wall of the water storage tank 41, and the air inlet end of each first one-way valve 42 is fixedly penetrated through the wall of the housing 1.

[0034] In this embodiment, as the hydraulic oil in the fuel tank 352 decreases, the air pressure in the fuel tank 352 also decreases, so that a pressure difference is generated at both ends of the first one-way valve 42. At this time, the gas in the housing 1 continuously flows into the water in the water storage tank 41 through the first one-way valve 42. During the process of the gas passing through the water in the water storage tank 41, due to the adhesion of water, the dust and debris in the gas are intercepted and stored in the water in the water storage tank 41. Subsequently, the clean gas emerges from the water and flows into the fuel tank 352 to supplement the gas lost in the fuel tank 352. The operator does not need to set up additional driving components to extract the gas in the housing 1, reducing the energy consumption of the device.

[0035] In a further preferred embodiment of the present utility model, as Figure 6 shown, a plurality of mesh plates 43 are fixedly installed at the bottom of the water storage tank 41, and the distance between adjacent two mesh plates 43 is equal.

[0036] In this embodiment, during the process of the above-mentioned gas passing through the water in the water storage tank 41, due to the interception of the mesh plate 43, the gas passing through the water in the water storage tank 41 is shunted into several small airflows passing through the water in the water storage tank 41, so that the airflows are in full contact with the water in the water storage tank 41, thereby enhancing the cleaning effect of dust and impurities in the gas.

[0037] In a further preferred embodiment of the present utility model, as Figure 6 shown, a second one-way valve 44 is provided on the top side of the fuel storage tank 352, and the air inlet end of the second one-way valve 44 fixedly penetrates the tank wall of the fuel storage tank 352;

[0038] In this embodiment, when the above-mentioned hydraulic oil flows back into the fuel storage tank 352, the excess gas in the fuel storage tank 352 is discharged from the fuel storage tank 352 through the second one-way valve 44, thereby preventing the formation of a high-pressure chamber in the fuel storage tank 352 from affecting the use of the device.

[0039] Working principle: When the improved concrete slab waste recycling and crushing device is in use, the operator starts the hydraulic oil pump 351, extracts a specific amount of hydraulic oil from the fuel storage tank 352, and quickly injects the hydraulic oil into the hydraulic rod 32 until the pressure in the hydraulic rod 32 reaches the threshold value, so that the hydraulic rod 32 undergoes corresponding stretching. Subsequently, the hydraulic oil pump 351 quickly extracts the hydraulic oil injected into the hydraulic rod 32 and reinjects the hydraulic oil into the liquid storage tank through the return pipe, and so on, so that the push plate 33 makes a linear upward movement trajectory within the housing 1;

[0040] After the above-mentioned crushing mechanism is started, the operator inserts the concrete slab waste into the housing 1 from the feed port of the housing 1 and places the concrete slab waste on the belt conveyor. The belt conveyor intermittently pushes the concrete slab waste towards the cushion plate 31. When the concrete slab waste moves onto the cushion plate 31, as the push plate 33 moves downward, several conical blocks 34 repeatedly contact the concrete slab waste, thereby knocking the concrete slab waste on the cushion plate 31 into pieces. After the conical blocks 34 knock the concrete slab waste into pieces, some of the broken concrete blocks slide from the cushion plate 31 into the storage area within the housing 1 when the pressing plate moves upward, thereby making the concrete slab waste on the cushion plate 31 thinner. Subsequently, due to the subsequent pressing of the reinforcing bars in the concrete slab waste by the pressing plate, the concrete waste on the reinforcing bars is separated from the reinforcing bars, and when the subsequent concrete slab waste moves onto the cushion plate 31, the remaining concrete fragments on the cushion plate 31 can be completely pushed into the storage area within the housing 1;

[0041] As the hydraulic oil in the oil storage tank 352 decreases, the air pressure in the oil storage tank 352 also decreases, resulting in a pressure difference across the first one-way valve 42. At this time, the gas in the housing 1 continuously flows into the water in the water storage tank 41 through the first one-way valve 42. During the process of the gas passing through the water in the water storage tank 41, due to the interception of the mesh plate 43, the gas passing through the water in the water storage tank 41 is split into several small airflows passing through the water in the water storage tank 41, so that the airflows are in full contact with the water in the water storage tank 41. At this time, due to the adhesion of the water, the dust and debris in the gas are intercepted and stored in the water in the water storage tank 41. Subsequently, the clean gas bubbles out of the water and flows into the oil storage tank 352 to supplement the gas lost in the oil storage tank 352;

[0042] When the hydraulic oil flows back into the oil storage tank 352, the excess gas in the oil storage tank 352 is discharged from the oil storage tank 352 through the second one-way valve 44. At this time, as the hydraulic oil in the oil storage tank 352 reciprocally increases and decreases, the gas in the housing 1 can be continuously extracted. At this time, the external gas synchronously flows into the housing 1 through the feed port of the housing 1 to supplement the gas lost in the housing 1, so as to block the dust in the housing 1 from flowing out of the housing 1 through the air flow;

[0043] After the concrete slab waste is crushed, the operator unscrews the bolts on the cover 5, and then takes out the crushed concrete blocks and steel bars in the housing 1 from the discharge end of the housing 1.

[0044] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete plate waste recycling and crushing device, comprising a housing (1), characterized in that: A belt conveyor mechanism (2) is provided in the feed port of the shell (1), and the front and rear sides of the conveyor belt of the belt conveyor mechanism (2) are in contact with the inner wall of the shell (1); a cover (5) is installed through the discharge end of the shell (1) through bolts, and a crushing assembly (3) is provided at the discharge end of the belt conveyor mechanism (2); and an air suction mechanism (4) is provided on the top side of the shell (1); The crushing assembly (3) comprises a pad (31), wherein the pad (31) is fixedly mounted in the outer shell (1) at a position corresponding to the discharging end of the belt conveyor mechanism (2); a plurality of hydraulic rods (32) are fixedly mounted through the top side of the outer shell (1) at a position corresponding to the pad (31), and the spacing between two adjacent hydraulic rods (32) is equal; a push plate (33) is fixedly mounted at the bottom ends of the plurality of hydraulic rods (32); a plurality of conical blocks (34) are fixedly mounted on the bottom side of the push plate (33), and the spacing between two adjacent conical blocks (34) is equal; and a liquid injection mechanism (35) is provided at the top side of the outer shell (1) at a position corresponding to the hydraulic rod (32).

2. The concrete plate waste recycling and crushing device according to claim 1 is characterized by: The right side of the pad (31) is arranged in an arcuate shape and contacts the outer wall of the right end of the conveyor belt of the belt conveyor mechanism (2); the top side of the pad (31) is coplanar with the top side of the conveyor belt of the belt conveyor mechanism (2).

3. The concrete plate waste recycling and crushing device according to claim 2 is characterized by: The injection mechanism (35) comprises a hydraulic oil pump (351), the hydraulic oil pump (351) is arranged on the right side of the hydraulic rod (32), and the hydraulic oil pump (351) is fixedly connected to the top side of the housing (1), a plurality of discharge ends of the hydraulic oil pump (351) are connected to the corresponding liquid inlet ends of the hydraulic rod (32) through connecting pipes, an oil storage tank (352) is arranged on the right side of the hydraulic oil pump (351), and the bottom side of the oil storage tank (352) is fixedly connected to the top side of the housing (1), and the return end of the hydraulic oil pump (351) is connected to the return end of the oil storage tank (352) through a return pipe.

4. The concrete plate waste recycling and crushing device according to claim 3 is characterized by: The air intake mechanism (4) comprises a water tank (41), the water tank (41) being arranged on the right side of the oil tank (352), and the bottom side of the water tank (41) being fixedly connected to the top side of the outer shell (1), the exhaust end of the water tank (41) being connected to the intake end of the oil tank (352) via an air guide pipe, and a plurality of first one-way valves (42) being relatively fixedly penetrated on the inner bottom wall of the water tank (41), and the intake end of each first one-way valve (42) being fixedly penetrated through the shell wall of the outer shell (1).

5. The concrete plate waste recycling and crushing device according to claim 4 is characterized in that: A plurality of mesh plates (43) are fixedly mounted on the bottom of the water storage tank (41), and the spacing between two adjacent mesh plates (43) is equal.

6. The concrete plate waste recycling and crushing device according to claim 5, characterized in that: A second one-way valve (44) is provided on the top side of the oil storage tank (352), and an air inlet end of the second one-way valve (44) is fixedly inserted through the wall of the oil storage tank (352).

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