Gravel crushing device for building construction

By designing a sand and gravel crushing device including a box, crushing roller, water tank and conveying mechanism, the problems of inconvenience in sand and gravel screening and waste of water resources in the existing equipment are solved, and efficient screening of sand and gravel and recycling of water are achieved.

CN222789340UActive Publication Date: 2025-04-25ZHEJIANG COLLEGE OF CONSTR
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Patent Information

Application Number
CN202421576602.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-04-25
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The existing sand and gravel crushing device for construction has left construction sand and gravel that has not passed through the screening board on the screen. It is inconvenient to remove the screening sand and gravel, and water resources cannot be recycled, resulting in waste.

Method used

A sand and gravel crushing device including a box, a crushing roller, a water tank and a conveying mechanism is designed. By providing a first screen plate, a second screen plate and a baffle, the sand and gravel that have not passed through the screen plate flow out along the inclined surface, so as to facilitate removal of the screened sand and gravel. At the same time, the water recycling is achieved through the combination of water tank, dustproof net, activated carbon plate and water pump.

Benefits of technology

This device makes the screening and removal of sand and gravel more convenient and quick, avoids the accumulation of sand and gravel on the screening board, and reduces water waste by recycling water resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gravel crushing device for building construction, which comprises a box body, a crushing roller, a water tank and a conveying mechanism, a guide plate is fixed at the top end in the box body, a gear is fixed on the front side surface of the crushing roller, a conveying belt is arranged on the outer side of a belt pulley, a filtering mechanism is arranged below the crushing roller, and the filtering mechanism is arranged below the box body. A mounting pipe is connected to the right end of the box body, a cleaning mechanism is mounted in the mounting pipe, a filter plate is in threaded connection with the interior of the mounting pipe, a water tank is fixed to the right side face of the box body, a conveying mechanism is arranged below the box body, and an exhaust fan is connected to the top end of the water tank through a pipeline. According to the gravel crushing device for building construction, building gravel on the first sieve plate and the second sieve plate can be treated by taking down the baffle from the box body, material taking and water recycling are convenient, a dustproof net and an activated carbon plate in a water circulation structure are convenient to clean, and a cleaning plate and a filtering plate are convenient to disassemble and assemble.
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Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a sand and stone crushing device for building construction. Background Art

[0002] Sand and gravel is a mixture of sand and crushed stone. It has good hardness and stable chemical properties and is used in construction. In order to obtain sand and gravel with uniform shape and size, crushing equipment is usually used to process sand and gravel.

[0003] The Chinese utility model patent with the authorization announcement number CN216538672U discloses an integrated device for crushing and screening sand and gravel for construction, including a bottom plate, a box body is arranged at the top of the bottom plate, a connecting block is fixedly connected between the bottom plate and the box body, and a feed port is fixedly connected to one side of the top of the box body. The integrated device for crushing and screening sand and gravel for construction is provided with a connecting rod, a connecting plate, a driving block, a limiting rod, a rotating shaft, a second driving motor and a supporting block. The second driving motor is started, and the second driving motor drives the driving block to rotate through the rotating shaft. The driving block can make the connecting rod rise when the connecting rod is connected. The slider will slide inside the chute. By making the slider slide inside the chute, the first screen plate and the second screen plate can be driven to shake. The shaking of the first screen plate and the second screen plate can not only improve the efficiency of sand and gravel screening, but also facilitate the sand and gravel after screening to be poured out of the box body from the discharge port, which solves the problem that sand and gravel cannot be effectively screened and it is inconvenient to discharge.

[0004] The Chinese utility model patent with the authorization announcement number CN218796118U discloses a construction sand and gravel crushing device, including a box body and a conveyor belt, the box body is located at the upper end of the conveyor belt, and a rectangular discharge port is opened at the bottom of the box body corresponding to the conveyor belt; the utility model drives the crushing roller to rotate by a driving motor, and the crushing roller crushes the sand and gravel, and the dust generated during crushing and discharging is introduced into the first pipe from the dust collecting cover through the exhaust fan, and then the dust is guided into the dust collecting box from the fourth pipe, and at the same time, the water pump allows the water in the water tank to enter the connecting pipe from the second pipe, and then guides it to the third pipe and sprays it from the nozzle, so as to degrade the dust in the dust collecting box, facilitate the treatment of dust, reduce the harm of dust to the human body, open the valve, so that the waste water with dust is guided out from the discharge pipe, which is convenient for the collection of waste water;

[0005] However, although the existing sand and gravel crushing device for construction makes the screen plate shake by lifting up and down, the construction sand and gravel that have not passed through the screen plate remain in various places on the screen plate, making it inconvenient to quickly remove the screened construction sand and gravel from the screen plate. Water is sprayed from the nozzle to degrade the dust in the dust collecting box, which is convenient for dust treatment, but it is inconvenient to recycle water, resulting in a waste of water resources. Therefore, we propose a sand and gravel crushing device for construction to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a sand and gravel crushing device for construction to solve the problem of the existing sand and gravel crushing device for construction proposed in the above-mentioned background technology. Although the screen plate is shaken by lifting up and down, the construction sand and gravel that have not passed through the screen plate remain in various places on the screen plate, and it is inconvenient to quickly remove the screened construction sand and gravel from the screen plate. Water is sprayed from the nozzle to degrade the dust in the dust collecting box, which is convenient for dust treatment, but it is inconvenient to recycle water, resulting in a waste of water resources.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sand and stone crushing device for construction, comprising a box body, a crushing roller, a water tank and a transmission mechanism:

[0008] A guide plate is fixed to the top of the inner part of the box, and a crushing roller is arranged below the guide plate, a gear is fixed to the front side of the crushing roller, and a pulley is fixed to the front side of the gear, and a transmission belt is arranged on the outer side of the pulley;

[0009] A filtering mechanism is arranged below the crushing roller, a baffle is mounted on the left end of the box body, a mounting pipe is connected to the right end of the box body, a cleaning mechanism is installed inside the mounting pipe, and a filtering plate is threadedly connected inside the mounting pipe;

[0010] A water tank is fixed on the right side of the box body, and a purification mechanism is arranged inside the water tank;

[0011] A conveying mechanism is provided below the box;

[0012] The top of the water tank is connected with an exhaust fan through a pipeline.

[0013] Preferably, the filtering mechanism includes a first sieve plate, a second sieve plate, a cross bar and a curved plate, the first sieve plate is arranged below the crushing roller, the second sieve plate is fixed to the lower surface of the first sieve plate, a cross bar is fixed below the second sieve plate, an curved plate is arranged below the cross bar, and a pulley is fixedly connected to the front side of the curved plate.

[0014] Preferably, the first sieve plate and the second sieve plate are both slidably mounted inside the box.

[0015] Preferably, the cleaning mechanism comprises a motor, a round roller and a cleaning plate, the motor is installed inside the mounting tube through a rod, and a round roller is fixed to the output end of the motor, and the cleaning plate is snap-fitted to the left end of the round roller.

[0016] Preferably, the brush at the right end of the cleaning plate is in contact with the left side of the filter plate.

[0017] Preferably, the purification mechanism includes a treatment barrel, a dustproof net, an activated carbon plate, a bottom cover, a water pump, a delivery pipe and a cross pipe. The dustproof net is snap-fitted on the inner top of the treatment barrel, an activated carbon plate is arranged below the dustproof net, a bottom cover is fixed to the lower surface of the treatment barrel, and the bottom cover is connected to the water tank by a threaded connection. A water pump is installed at the right end of the water tank, and a delivery pipe is fixed to the output end of the water pump, and a cross pipe is fixed to the top of the delivery pipe.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the sand and gravel crushing device for construction can process the construction sand and gravel on the first screen plate and the second screen plate by removing the baffle plate from the box body, which is convenient for taking materials, circulating water, cleaning the dustproof net and activated carbon plate in the water circulation structure, and disassembling and assembling the cleaning plate and the filter plate;

[0019] 1. A first sieve plate, a second sieve plate and a baffle are provided. The bottom ends of the first sieve plate and the second sieve plate are both provided with inclined filtering elements. The construction sand and gravel that have not passed through the first sieve plate and the second sieve plate flow along the inclined surfaces of the first sieve plate and the second sieve plate to the left ends of the first sieve plate and the second sieve plate. The construction sand and gravel on the first sieve plate and the second sieve plate can be processed by removing the baffle from the box body, which is convenient for material collection;

[0020] 2. A water tank, a dust screen, an activated carbon plate and a water pump are provided. Water is provided at the bottom of the water tank. Under the action of the water pump, the water is sprayed toward the dust through the delivery pipe, the cross pipe and the nozzle to degrade the dust. The water is then filtered through the dust screen and the activated carbon plate and then recycled.

[0021] 3. A water tank, a treatment barrel and a bottom cover are provided. Water is filtered through a dustproof net and an activated carbon plate so that the water is recycled. The bottom cover is threadedly connected to the bottom end of the water tank. By rotating the treatment barrel, the treatment barrel and the bottom cover can be conveniently removed from the water tank. Then, the dustproof net and the activated carbon plate can be removed from the treatment barrel, so as to facilitate the cleaning of the dustproof net and the activated carbon plate in the water circulation structure.

[0022] 4. A round roller, a cleaning plate and a filter plate are provided. The filter plate is used to block large-sized construction sand and gravel. The filter plate is cleaned by rotating the cleaning plate to avoid clogging of the filter plate. The cleaning plate is snap-connected with the round roller, and the filter plate is threadedly connected with the mounting pipe, which facilitates the disassembly and assembly of the cleaning plate and the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the overall structure of the arc-shaped plate and the crossbar connected to the utility model;

[0026] Figure 4 This is a schematic diagram of the overall structure of the bottom cover and the processing barrel connected to the utility model.

[0027] In the figure: 1. box body; 2. guide plate; 3. crushing roller; 4. gear; 5. transmission belt; 6. pulley; 7. first screen plate; 8. second screen plate; 9. cross bar; 10. arc plate; 11. baffle; 12. mounting pipe; 13. motor; 14. round roller; 15. cleaning plate; 16. filter plate; 17. water tank; 18. treatment barrel; 19. dustproof net; 20. activated carbon plate; 21. bottom cover; 22. water pump; 23. delivery pipe; 24. cross pipe; 25. transmission mechanism; 26. exhaust fan. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-4 The utility model provides a technical solution: a sand and stone crushing device for construction, including a box body 1, a guide plate 2, a crushing roller 3, a gear 4, a transmission belt 5, a pulley 6, a first screen plate 7, a second screen plate 8, a cross bar 9, an arc plate 10, a baffle 11, a mounting pipe 12, a motor 13, a round roller 14, a cleaning plate 15, a filter plate 16, a water tank 17, a processing barrel 18, a dustproof net 19, an activated carbon plate 20, a bottom cover 21, a water pump 22, a conveying pipe 23, a cross pipe 24, a transmission mechanism 25 and an exhaust fan 26, such as Figure 1 and Figure 2 As shown, a feed port is provided at the top of the box body 1, and sand and gravel used for construction are put into the box body 1 from the feed port at the top of the box body 1, and the construction sand and gravel move downward along the inclined surface of the guide plate 2;

[0030] The output end of the motor (not shown in the figure) fixed on the rear side of the box body 1 is fixedly connected to one group of crushing rollers 3 inside the box body 1. Figure 2 As shown, a gear 4 is fixed to the front side of the crushing roller 3, and the left and right two groups of gears 4 are meshed and connected, so that the left and right two groups of crushing rollers 3 rotate in opposite directions to each other, and the construction sand and gravel are crushed by the two groups of crushing rollers 3 rotating in opposite directions to each other;

[0031] Filter the crushed sand and gravel through the filtering mechanism, such as Figure 2As shown, a pulley 6 is fixed on the front side of the gear 4, and a conveyor belt 5 is arranged on the outer side of the pulley 6. The front side of the arc plate 10 inside the filtering mechanism is fixedly connected with the pulley 6, so that the arc plate 10 rotates during the rotation of the crushing roller 3, and the rotation of the arc plate 10 drives the cross bar 9, the first screen plate 7 and the second screen plate 8 to rise and fall. The distance row structures at the front and rear ends of the first screen plate 7 and the second screen plate 8 are installed in the slide groove of the box body 1, so that the first screen plate 7 and the second screen plate 8 can be lifted and lowered more stably. By lifting the first screen plate 7 and the second screen plate 8, the sand and gravel filtering efficiency is improved. The construction sand and gravel that have not passed through the first screen plate 7 and the second screen plate 8 are moved to the leftmost end of the box body 1 along the inclined surfaces of the first screen plate 7 and the second screen plate 8, and the construction sand and gravel with a particle size that meets the standard falls from the discharge port at the bottom end of the box body 1 to the conveying mechanism 25;

[0032] When it is necessary to process the construction sand and gravel that have not passed through the first sieve plate 7 and the second sieve plate 8, the baffle plate 11 is moved to the left to expose the opening at the left end of the box body 1, and then the construction sand and gravel are taken from the first sieve plate 7 and the second sieve plate 8;

[0033] During the process of processing building sand and gravel, the exhaust fan 26 is turned on, and the air with dust flows from the exhaust fan 26 and the pipeline to the inside of the water tank 17, and the larger sand and gravel are blocked by the filter plate 16, such as Figure 1 , Figure 2 and Figure 4 As shown, air outlets are provided at the right ends of the treatment barrel 18 and the water tank 17, and the height of the air outlets is lower than the height of the activated carbon plate 20. After being filtered by the dustproof net 19 and the activated carbon plate 20, clean air flows out from the air outlets provided in the treatment barrel 18 and the water tank 17. The bottom of the water tank 17 contains water, and the water level is lower than the lower surface of the treatment barrel 18. The water pump 22 is turned on, and the liquid in the water tank 17 is transported to the transverse pipe 24 under the action of the water pump 22, and is sprayed toward the dust from the nozzle at the bottom of the transverse pipe 24, and the water is circulated through the dustproof net 19, the activated carbon plate 20, the water pump 22, the delivery pipe 23 and the transverse pipe 24.

[0034] Turn on the motor 13 installed inside the mounting tube 12 through the rod, the motor 13 drives the round roller 14 and the cleaning plate 15 to rotate, the brush at the right end of the cleaning plate 15 fits with the left side of the filter plate 16, the cleaning plate 15 rotates to clean the filter surface of the filter plate 16, when the filter plate 16 needs to be removed, move the cleaning plate 15 to the left, the rectangular structure at the right end of the cleaning plate 15 leaves the round roller 14, then rotate the filter plate 16, remove the filter plate 16 from the inside of the mounting tube 12, and the round roller 14 leaves the round hole in the middle of the filter plate 16;

[0035] When it is necessary to treat the dust-proof net 19 and the activated carbon plate 20 inside the purification mechanism, rotate the bottom cover 21, remove the bottom cover 21 from the water tank 17, unload the water in the water tank 17 and the treatment barrel 18, then draw out the dust-proof net 19 and the activated carbon plate 20 upward in turn, treat the dust-proof net 19 and the activated carbon plate 20, reinstall the bottom cover 21 and the treatment barrel 18 on the water tank 17, open the lid on the right end of the water tank 17, and re-add clean water to the water tank 17. The above completes a series of operations of the sand and gravel crushing device for construction. The contents not described in detail in this description belong to the prior art known to professional and technical personnel in this field.

[0036] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sand and gravel crushing device for construction, comprising a housing (1), a crushing roller (3), a water tank (17) and a conveying mechanism (25), characterized in that: A guide plate (2) is fixed to the top of the inner part of the box body (1), and a crushing roller (3) is arranged below the guide plate (2), a gear (4) is fixed to the front side of the crushing roller (3), and a pulley (6) is fixed to the front side of the gear (4), and a conveyor belt (5) is arranged on the outer side of the pulley (6); A filtering mechanism is provided below the crushing roller (3); a baffle (11) is mounted on the left end of the box body (1); a mounting tube (12) is connected to the right end of the box body (1); a cleaning mechanism is installed inside the mounting tube (12); and a filtering plate (16) is threadedly connected inside the mounting tube (12); A water tank (17) is fixed to the right side of the box body (1), and a purification mechanism is provided inside the water tank (17); A conveying mechanism (25) is provided below the box body (1); The top end of the water tank (17) is connected to an exhaust fan (26) via a pipeline.

2. A sand and stone crushing device for construction according to claim 1, characterized in that: The filtering mechanism comprises a first sieve plate (7), a second sieve plate (8), a cross bar (9) and an arc-shaped plate (10); the first sieve plate (7) is arranged below the crushing roller (3); the second sieve plate (8) is fixed to the lower surface of the first sieve plate (7); the cross bar (9) is fixed below the second sieve plate (8); the arc-shaped plate (10) is arranged below the cross bar (9); and the front side of the arc-shaped plate (10) is fixedly connected to a pulley (6).

3. A sand and stone crushing device for construction according to claim 2, characterized in that: The first sieve plate (7) and the second sieve plate (8) are both slidably mounted inside the box body (1).

4. The sand and stone crushing device for construction according to claim 1, characterized in that: The cleaning mechanism comprises a motor (13), a round roller (14) and a cleaning plate (15); the motor (13) is installed inside the mounting tube (12) via a rod, and the round roller (14) is fixed to the output end of the motor (13); the cleaning plate (15) is mounted in a clamping manner on the left end of the round roller (14).

5. A sand and stone crushing device for construction according to claim 4, characterized in that: The brush at the right end of the cleaning plate (15) is in contact with the left side of the filter plate (16).

6. The sand and stone crushing device for construction according to claim 1, characterized in that: The purification mechanism comprises a treatment barrel (18), a dustproof net (19), an activated carbon plate (20), a bottom cover (21), a water pump (22), a delivery pipe (23) and a transverse pipe (24); the dustproof net (19) is mounted on the top of the interior of the treatment barrel (18); the activated carbon plate (20) is arranged below the dustproof net (19); the bottom cover (21) is fixed to the lower surface of the treatment barrel (18); the bottom cover (21) is connected to the water tank (17) by threaded connection; the water pump (22) is installed at the right end of the water tank (17); the delivery pipe (23) is fixed to the output end of the water pump (22); and the transverse pipe (24) is fixed to the top of the delivery pipe (23).

Citation Information

Patent Citations

  • Gravel crushing and screening integrated device for building construction

    CN216538672U

  • A sand and gravel crushing device for construction

    CN218796118U