Pulverizer convenient for recycling and pulverizing waste for construction engineering

Abstract

The crushing machine comprises a crushing box with an opening in the bottom, supporting legs are fixedly connected to the four corners of the bottom of the crushing box, two rotating shafts are rotationally connected between the inner wall of the front side and the inner wall of the rear side of the crushing box, crushing rollers are fixedly arranged on the two rotating shafts in a sleeving mode, and the crushing rollers are fixedly connected with the crushing box. A plurality of crushing sharp blocks are fixedly arranged on the outer side of the crushing roller, and the front side of the crushing box is fixedly connected with a rectangular box with an opening in the rear side. By arranging a series of structures, construction waste can be conveniently smashed in a construction project, integral covering protection and spraying dust falling are facilitated on the upper portion when the construction waste is smashed, the phenomenon that fragments are splashed outwards to hurt people or dust drifts outwards is avoided, and the use safety and the environmental protection property are improved; and solid-liquid separation can be conveniently carried out on the crushed materials, the solid crushed materials can be automatically guided and discharged, and the materials can be conveniently and directly recycled during discharging.

Description

Technical Field

[0001] The utility model relates to the technical field of crushers, in particular to a crusher for construction projects that is convenient for recycling and crushing waste materials. Background Art

[0002] Construction refers to production activities during the implementation phase of engineering construction. It is the process of building various types of buildings, and can also be said to be the process of turning various lines on design drawings into physical objects at designated locations. After construction waste is recycled, it will be crushed, so a crusher will be used to crush it. The principle of the crusher is to use two crushing rollers with pointed blocks inside to rotate relative to each other to achieve extrusion and crushing. In this regard, as disclosed in publication number CN217410920U, a construction crusher that is convenient for recycling crushed waste includes a crushing box, a feeding plate is hinged to the middle of the bottom end of the crushing box through two hinges, a discharging assembly is provided on one side of the bottom end of the crushing box, two rollers are rotatably connected to the inside of the crushing box, gear rollers are fixedly installed on the surfaces of the two rollers, the two gear rollers are meshed and connected, a protective box is fixedly installed on the top of the front side of the crushing box, and a first motor is fixedly installed on one side of the protective box.

[0003] Its two gear rollers are equivalent to two crushing rollers with sharp blocks. The relative rotation of the two gear rollers is used to achieve the extrusion and crushing of construction debris. It is also convenient for the discharge of the crushed material for recycling. However, the following problems need to be faced during crushing: 1. During crushing, the broken sharp blocks and dust will inevitably be splashed out from the top, and safety protection and dust reduction cannot be performed during crushing. The thrown fragments can easily injure people, and the safety and environmental protection of use are not ideal. In view of this, we propose a crusher for construction projects that is easy to recycle and crush. Waste, which is used to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a crusher for construction projects which is convenient for recycling and crushing waste materials, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crusher for construction projects that is convenient for recycling and crushing waste materials, comprising a crushing box with an opening at the bottom, legs fixedly connected to the four corners of the bottom of the crushing box, two rotating shafts rotatably connected between the front inner wall and the rear inner wall of the crushing box, crushing rollers fixedly sleeved on the two rotating shafts, multiple crushing tips fixedly arranged on the outer sides of the crushing rollers, a rectangular box with an opening at the rear side fixedly connected to the front side of the crushing box, the front ends of the two rotating shafts extend into the rectangular box and are fixedly connected to gears, the two gears are meshed, an output shaft is fixedly installed on the front side of the rectangular box and a driving motor fixedly connected to the front side of the gear on the left side, the driving motor is used to drive the two crushing rollers to rotate relative to each other through the two gears and the two rotating shafts in turn, and the relative rotation of the two crushing rollers is used to realize the extrusion and crushing of construction waste in the construction project;

[0006] A conical hopper is embedded and fixed on the top of the crushing box, and the bottom of the conical hopper is located in the middle and upper part of the two crushing rollers. A discharge hole is opened on the right inner wall of the crushing box, and a recovery box located below the discharge hole is arranged on the right side of the crushing box. The four corners of the bottom of the recovery box are rotatably connected with running wheels. A shock water filtration discharge assembly matched with the discharge hole is fixedly connected between the inner walls on both sides of the crushing box. The shock water filtration discharge assembly is used to separate the solid and liquid of the crushed material and discharge the crushed material through the discharge hole through vibration, and the discharged material is directly collected by the recovery box;

[0007] A plugging assembly is fixedly installed on the top right side of the crushing box, the bottom of which extends into the discharge hole and is in active contact with the bottom inner wall of the discharge hole, and the plugging assembly is used to block the discharge hole before discharging and unblock it during discharging;

[0008] A water tank with an open top is provided below the crushing box, and a quick-opening shielding spray dust reduction assembly is installed between the left bottom of the water tank and the left top of the crushing box. The bottom of the quick-opening shielding spray dust reduction assembly is in movably contact with the top of the conical hopper, and the quick-opening shielding spray dust reduction assembly is used to cover the conical hopper to prevent broken materials from splashing outward and to perform spray dust reduction.

[0009] Preferably, the vibration water filtration and discharge assembly includes a filter plate movably mounted in a crushing box, the filter plate is tilted, the bottom inner wall of the discharge hole is set as an inclined surface and is on the same inclined line as the top of the filter plate, and vibrators are fixedly connected to the inner walls on both sides of the crushing box, and the vibration ends of the two vibrators are fixedly connected to the bottom of the filter plate; the filter plate is used to filter out water in the crushed material downward, and the water is discharged into the water tank, and the two vibrators vibrate the filter plate to achieve the effect of vibrating and discharging the material to the right through the top inclined surface, thereby achieving the effect of discharging the material through the discharge hole.

[0010] Preferably, the blocking assembly includes an electric push rod fixedly installed on the top right side of the crushing box, the protruding end of the electric push rod is fixedly connected to an L-shaped baffle, the bottom of the L-shaped baffle extends into the discharge hole and is movably contacted with the bottom inner wall of the discharge hole, and the crushing box is slidably sleeved on the L-shaped baffle; the electric push rod is used to drive the L-shaped baffle to move up and down, and the unsealing and blocking operations are respectively achieved by moving the L-shaped baffle up and down.

[0011] Preferably, the quick-opening protective spray dust reduction assembly includes a water pump fixedly installed on the left bottom of the water tank, the water inlet of the water pump extends into the water tank and is fixedly connected to a filter cover, the left top of the crushing box is fixedly connected to an electric telescopic rod, the protruding end of the electric telescopic rod is fixedly connected to a hollow cover plate, the bottom inner wall of the hollow cover plate and the water outlet of the water pump are connected and fixed with a same flexible hose, the bottom of the hollow cover plate is in movably contact with the top of the conical hopper, and the bottom of the hollow cover plate is connected and fixed with a plurality of atomizing nozzles located in the conical hopper; the water in the water tank is drawn by the water pump and supplied to the hollow cover plate through a flexible hose, the water is sprayed downward through the atomizing nozzle to perform spray dust reduction work during the crushing work, and the hollow cover plate is used to shield the top of the conical hopper from splashing outward to injure people.

[0012] Preferably, an arc-shaped guide block is fixedly connected to the right bottom of the crushing box, and the top of the arc-shaped guide block is flush with the right side of the bottom inner wall of the discharge hole.

[0013] Preferably, the front side and the rear side of the L-shaped baffle are in active contact with the front inner wall and the rear inner wall of the discharge hole respectively.

[0014] Preferably, the filter plate is located below the two crushing rollers.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. This is a crusher for recycling and crushing waste for construction projects. Through the cooperation of the conical hopper, crushing box, driving motor, gear, rotating shaft, crushing roller and crushing tip block, it can squeeze and crush the construction waste in the construction project;

[0017] 2. This is a crusher for construction projects that is convenient for recycling and crushing waste. Through the cooperation of the water tank, quick-opening protection spray dust reduction component and conical hopper, it can cover and spray dust at the upper part when crushing construction waste, so as to avoid the phenomenon of fragments splashing outwards to injure people or dust drifting outwards, thereby improving the safety and environmental protection of use;

[0018] 3. This is a crusher for construction projects that is convenient for recycling and crushing waste. Through the coordination of the set discharge hole, the shock water filter discharge component and the plugging component, the discharge hole can be unblocked after use, and the crushed material can be separated into solid and liquid and the solid crushed material can be automatically discharged by shock.

[0019] 4. This is a crusher for construction projects that is convenient for recycling and crushing waste. Through the set recycling box, it is convenient to recycle the materials directly when discharging.

[0020] The utility model is provided with a series of structures, which is convenient for crushing construction waste in construction projects, and is convenient for integrated covering protection and spray dust reduction at the upper part when crushing construction waste, so as to avoid the phenomenon that fragments splash outwards to injure personnel or dust drifts outwards, thereby improving the safety of use and environmental protection, and is convenient for solid-liquid separation of the crushed material and automatic vibration discharge of the solid crushed material, and is convenient for directly recycling the material when discharging the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural schematic diagram of a crusher for construction projects that is convenient for recycling and crushing waste materials proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the main structure of a rectangular box cut away for a construction project pulverizer for recycling and pulverizing waste materials proposed by the utility model;

[0023] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure.

[0024] In the figure: 100, recycling box; 1, crushing box; 2, rotating shaft; 3, crushing roller; 4, rectangular box; 5, gear; 6, driving motor; 7, conical hopper; 8, discharge hole; 9, L-shaped baffle; 10, electric push rod; 11, vibrator; 12, filter plate; 13, water tank; 14, water pump; 15, flexible hose; 16, hollow cover plate; 17, atomizing nozzle; 18, electric telescopic rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 1 to 3As shown, the present embodiment proposes a crusher for construction projects that is convenient for recycling and crushing waste materials, including a crushing box 1 with an opening at the bottom, legs are fixedly connected to the four corners of the bottom of the crushing box 1, two rotating shafts 2 are rotatably connected between the front inner wall and the rear inner wall of the crushing box 1, wherein two circular holes are provided on the front inner wall and the rear inner wall of the crushing box 1, bearings are fixedly sleeved in the circular holes, the inner rings of the bearings are fixedly sleeved with the outer sides of the corresponding rotating shafts 2, and the rotating shafts 2 are rotatably mounted, crushing rollers 3 are fixedly sleeved on the two rotating shafts 2, and a plurality of crushing tips are fixedly arranged on the outer sides of the crushing rollers 3, a rectangular box 4 with an opening at the rear side is fixedly connected to the front side of the crushing box 1, the front ends of the two rotating shafts 2 extend into the rectangular box 4 and are fixedly connected to gears 5, the two gears 5 are meshed, and a driving motor 6 whose output shaft is fixedly installed on the front side of the rectangular box 4 and is fixedly connected to the front side of the gear 5 on the left side, the driving motor 6 is used to drive the two crushing rollers 3 to rotate relative to each other through the two gears 5 and the two rotating shafts 2 in turn, and the relative rotation of the two crushing rollers 3 is used to realize the extrusion and crushing of construction waste in the construction project;

[0027] A conical hopper 7 is embedded and fixed on the top of the crushing box 1, and the bottom of the conical hopper 7 is located in the middle and upper part of the two crushing rollers 3. A discharge hole 8 is opened on the right inner wall of the crushing box 1. A recovery box 100 located below the discharge hole 8 is arranged on the right side of the crushing box 1. The four corners of the bottom of the recovery box 100 are rotatably connected with walking wheels. A shock filter water discharge assembly matched with the discharge hole 8 is fixedly connected between the inner walls on both sides of the crushing box 1. An arc guide block is fixedly connected to the bottom of the right side of the crushing box 1. The top of the arc guide block is flush with the right side of the bottom inner wall of the discharge hole 8. The shock filter water discharge assembly is used to separate the solid and liquid of the crushed material and discharge the crushed material through the discharge hole 8. The recovery box 100 is used to directly collect the discharged material. The arc guide block is used to guide the discharged material to the right, which facilitates the discharged material to stably enter the recovery box 100.

[0028] A sealing assembly is fixedly installed on the top right side of the crushing box 1, and the bottom of the sealing assembly extends into the discharge hole 8 and is in active contact with the bottom inner wall of the discharge hole 8, and the sealing assembly is used to seal the discharge hole 8 before discharge and unseal it during discharge; a water tank 13 with an open top is provided below the crushing box 1, and a same quick-opening protective spray dust reduction assembly is installed between the left bottom of the water tank 13 and the left top of the crushing box 1, and the bottom of the quick-opening protective spray dust reduction assembly is in active contact with the top of the conical hopper 7, and the quick-opening protective spray dust reduction assembly is used to cover the conical hopper 7 to prevent broken materials from splashing outward and to perform spray dust reduction.

[0029] Specifically, the vibration water filtration and discharge assembly includes a filter plate 12 movably mounted in the crushing box 1. The filter plate 12 is tilted and located below the two crushing rollers 3. The bottom inner wall of the discharge hole 8 is arranged as an inclined surface and is on the same inclined line as the top of the filter plate 12. Vibrators 11 are fixedly connected to the inner walls on both sides of the crushing box 1. The vibration ends of the two vibrators 11 are fixedly connected to the bottom of the filter plate 12. The filter plate 12 and the vibrator 11 cooperate with each other, and the filter plate 12 is used to filter out water in the crushed material downward, and the water is discharged into the water tank 13. The two vibrators 11 vibrate the filter plate 12 to achieve the effect of vibrating and discharging the material to the right through the top inclined surface, thereby achieving the effect of discharging the material through the discharge hole 8.

[0030] Furthermore, the blocking component includes an electric push rod 10 fixedly installed on the top right side of the crushing box 1, and the protruding end of the electric push rod 10 is fixedly connected to an L-shaped baffle 9, and the bottom of the L-shaped baffle 9 extends into the discharge hole 8 and is in active contact with the bottom inner wall of the discharge hole 8. The crushing box 1 is slidably sleeved on the L-shaped baffle 9, wherein a rectangular guide hole is opened on the top inner wall of the discharge hole 8 and is slidably sleeved with the outer side of the L-shaped baffle 9, and the crushing box 1 is slidably sleeved on the L-shaped baffle 9 through the rectangular guide hole, which plays the effect of vertical sliding guidance of the L-shaped baffle 9, and the front and rear sides of the L-shaped baffle 9 are respectively in active contact with the front inner wall and the rear inner wall of the discharge hole 8, which plays the effect of stable fitting and blocking; the set electric push rod 10 and the L-shaped baffle 9 cooperate, and the electric push rod 10 is used to drive the L-shaped baffle 9 to move up and down, and the L-shaped baffle 9 is used to move up and down to respectively realize the unsealing and blocking work.

[0031] Furthermore, the quick-opening protective spray dust suppression assembly includes a water pump 14 fixedly installed at the bottom of the left side of the water tank 13, the water inlet of the water pump 14 extends into the water tank 13 and is fixedly connected to a filter cover, the left top of the crushing box 1 is fixedly connected to an electric telescopic rod 18, the extended end of the electric telescopic rod 18 is fixedly connected to a hollow cover plate 16, the bottom inner wall of the hollow cover plate 16 is connected to the water outlet of the water pump 14 by a same flexible hose 15, and the bottom of the hollow cover plate 16 is in active contact with the top of the conical hopper 7 The bottom of the hollow cover plate 16 is connected and fixed with a plurality of atomizing nozzles 17 located in the conical hopper 7; the water pump 14, the electric telescopic rod 18, the hollow cover plate 16, the flexible hose 15 and the atomizing nozzle 17 cooperate with each other, and the water in the water tank 13 is extracted by the water pump 14 and supplied to the hollow cover plate 16 through the flexible hose 15. The water is sprayed downward through the atomizing nozzle 17 to perform spray dust reduction work during the crushing work, and the hollow cover plate 16 is used to shield the top of the conical hopper 7 from splashing outward to injure personnel.

[0032] The method of using the present embodiment is as follows: when in use, firstly start the electric telescopic rod 18 in the positive direction to drive the hollow cover plate 16 to move upward, and stretch the flexible hose 15, so that the hollow cover plate 16 upwardly releases the shielding of the conical hopper 7, and then the construction waste can be poured into the conical hopper 7, and then start the electric telescopic rod 18 in the reverse direction to drive the hollow cover plate 16 downwardly to cover the conical hopper 7, and then start the driving motor 6 and the water pump 14. When the driving motor 6 is started, the two rotating shafts 2 are driven to rotate relative to each other through the two mutually meshing gears 5, and the two rotating shafts 2 drive the two The crushing rollers 3 rotate relative to each other, and the two crushing rollers 3 drive the multiple crushing tips to rotate relative to each other to squeeze and crush the falling construction waste. When the water pump 14 is started, the water in the water tank 13 is extracted and supplied to the hollow cover plate 16 through the flexible hose 15. The water is sprayed downward through the atomizing nozzle 17 to achieve the effect of spraying and dust reduction at the crushing position. The hollow cover plate 16 can be used to block the crushed material blocks at the top of the conical hopper 7 from splashing outward to injure personnel, and can prevent dust from scattering outward. Under the integrated cooperation of shielding and spraying and dust reduction, the use safety and environmental protection are improved;

[0033] The crushed material and the sprayed water fall on the filter plate 12, and the water passes downward through the filter plate 12 and flows into the water tank 13 for recycling. The crushed solid material is filtered and blocked on the top of the filter plate 12, thereby achieving the effect of solid-liquid separation. When discharging and recycling, the electric push rod 10 is started in the positive direction to drive the L-shaped baffle 9 to move upward, thereby removing the obstruction to the discharge hole 8, and the two vibrators 11 are started to vibrate the filter plate 12, so that the filter plate 12 vibrates hard. In combination with the inclined setting of the filter plate 12, the crushed material is automatically guided to the right. The material guided to the right is discharged to the right through the discharge hole 8 and collected in the recycling box 100, which is convenient for direct and rapid discharge and recycling. Then, the personnel can move the recycling box 100 to the recycling place for recycling through the walking wheels at the bottom of the recycling box 100.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A crusher for recycling and crushing waste for construction projects, comprising a crushing box (1) with an opening at the bottom, characterized in that: The four corners of the bottom of the crushing box (1) are fixedly connected with supporting legs. Two rotating shafts (2) are rotatably connected between the front inner wall and the rear inner wall of the crushing box (1). A crushing roller (3) is fixedly sleeved on the two rotating shafts (2). A plurality of crushing pointed blocks are fixedly arranged on the outer side of the crushing roller (3). The front side of the crushing box (1) is fixedly connected with a rectangular box (4) with an opening at the rear side. The front ends of the two rotating shafts (2) extend into the rectangular box (4) and are fixedly connected with gears (5). The two gears (5) are meshed with each other. A driving motor (6) is fixedly installed on the front side of the rectangular box (4) with an output shaft fixedly connected to the front side of the gear (5) on the left side. A conical hopper (7) is embedded and fixed on the top of the crushing box (1), and the bottom of the conical hopper (7) is located in the middle and upper part of the two crushing rollers (3). A discharge hole (8) is opened on the right inner wall of the crushing box (1). A recovery box (100) is arranged on the right side of the crushing box (1) and is located below the discharge hole (8). The four corners of the bottom of the recovery box (100) are rotatably connected to running wheels. A shock-absorbing water discharge assembly that matches the discharge hole (8) is fixedly connected between the inner walls on both sides of the crushing box (1); A blocking component is fixedly mounted on the top right side of the crushing box (1), and the bottom of the blocking component extends into the discharge hole (8) and is in active contact with the bottom inner wall of the discharge hole (8); A water tank (13) with an open top is provided below the crushing box (1), and a quick-opening shielding spray dust reduction assembly is installed between the left bottom of the water tank (13) and the left top of the crushing box (1), and the bottom of the quick-opening shielding spray dust reduction assembly is in active contact with the top of the conical hopper (7).

2. A pulverizer for construction projects that is convenient for recycling and pulverizing waste materials according to claim 1, characterized in that: The vibration water filtration and discharge assembly comprises a filter plate (12) movably mounted in a crushing box (1); the filter plate (12) is arranged at an angle; the bottom inner wall of the discharge hole (8) is arranged as an inclined surface and is on the same inclined line as the top of the filter plate (12); vibrators (11) are fixedly connected to the inner walls on both sides of the crushing box (1); and the vibration ends of the two vibrators (11) are fixedly connected to the bottom of the filter plate (12).

3. A pulverizer for construction projects that is convenient for recycling and pulverizing waste materials according to claim 2, characterized in that: The blocking assembly comprises an electric push rod (10) fixedly mounted on the top right side of the crushing box (1); the protruding end of the electric push rod (10) is fixedly connected to an L-shaped baffle (9); the bottom of the L-shaped baffle (9) extends into the discharge hole (8) and is in active contact with the bottom inner wall of the discharge hole (8); the crushing box (1) is slidably sleeved on the L-shaped baffle (9).

4. A pulverizer for construction projects that is convenient for recycling and pulverizing waste materials according to claim 3, characterized in that: The quick-opening protective spray dust suppression assembly comprises a water pump (14) fixedly mounted on the left bottom of a water tank (13); a water inlet of the water pump (14) extends into the water tank (13) and is fixedly connected to a filter screen cover; an electric telescopic rod (18) is fixedly connected to the left top of the crushing box (1); the protruding end of the electric telescopic rod (18) is fixedly connected to a hollow cover plate (16); a same flexible hose (15) is fixedly connected between the bottom inner wall of the hollow cover plate (16) and the water outlet of the water pump (14); the bottom of the hollow cover plate (16) is in movable contact with the top of the conical hopper (7); and the bottom of the hollow cover plate (16) is connected and fixed to a plurality of atomizing nozzles (17) located in the conical hopper (7).

5. A pulverizer for construction projects that is convenient for recycling and pulverizing waste materials according to claim 1, characterized in that: An arc-shaped guide block is fixedly connected to the right bottom of the crushing box (1), and the top of the arc-shaped guide block is flush with the right side of the bottom inner wall of the discharge hole (8).

6. A construction waste pulverizer for recycling and crushing according to claim 3, characterized in that: The front side and the rear side of the L-shaped baffle (9) are in active contact with the front inner wall and the rear inner wall of the discharge hole (8) respectively.

7. A construction waste pulverizer for recycling and crushing according to claim 2, characterized in that: The filter plate (12) is located below the two crushing rollers (3).

Images