Municipal engineering construction material crushing device

Abstract

The utility model relates to the field of building construction technology discloses a kind of municipal engineering building construction material crushing device, including crushing box, the inner wall of the crushing box is rotatably connected with crushing roller group, the inner wall of the crushing box is provided with V-shaped screen, and the both ends of the V-shaped screen and the crushing box are left with gap, and the both ends of the bottom of the V-shaped screen are fixedly connected with support.The utility model has the following advantages and effects: screening is carried out while rolling, and vibration is carried out by starting vibration motor at the same time, the both ends of support at the bottom of V-shaped screen do not affect the falling of material, the middle is supported by frame rod, support rod support spring, qualified material is crushed by passing through V-shaped screen and directly falling, protective sleeve prevents material particles from affecting the expansion of spring, spring enhances vibration frequency, and large-particle material is dispersed to strengthen crushing roller group, so that it is crushed again by strengthening crushing roller group, ensuring complete crushing, avoiding multiple processing of material, and improving crushing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a crushing device for municipal engineering construction materials. Background Technology

[0002] Buildings are constructed using any available materials such as earth, stone, wood, steel, glass, reeds, plastic, and ice. During construction, these materials need to be crushed for later use.

[0003] In the prior art, Chinese Patent Publication No. CN215312714U discloses an integrated crushing and mixing device for construction materials, belonging to the technical field of construction equipment. The bottom of the housing is fixedly connected to a discharge port and a stirring motor. The output end of the stirring motor is fixedly connected to a stirring blade via a shaft. A crushing motor is fixedly connected to one side of the housing, and the output end of the crushing motor is fixedly connected to a crushing roller via a shaft. A mesh plate is fixedly connected to the inner wall of the housing, and a feeding box is fixedly connected to one end of the housing. The feeding pipe of this integrated crushing and mixing device makes the lower end of the feeding box rectangular, allowing materials to be added evenly to the surface of the crushing roller, preventing material accumulation and affecting the crushing quality. Furthermore, the included dust suction pipe, guide pipe, connecting pipe, and exhaust fan can directly collect and transport the dust generated during material processing into the mixing chamber, preventing dust pollution and protecting the health of workers.

[0004] However, in actual use, the unqualified materials are screened and discharged during the crushing process, which may require the unqualified materials to be collected and crushed again, thus increasing the crushing process and reducing the crushing efficiency. Therefore, improvements are needed. Utility Model Content

[0005] The purpose of this invention is to provide a crushing device for municipal engineering construction materials, which ensures thorough crushing, avoids multiple processing of materials, and has a fast crushing efficiency.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a crushing device for municipal engineering construction materials, comprising a crushing box, a crushing roller assembly rotatably connected to the inner wall of the crushing box, a V-shaped screen provided on the inner wall of the crushing box, gaps left between the two ends of the V-shaped screen and the crushing box, a bracket fixedly connected to the bottom two ends of the V-shaped screen, a support rod fixedly connected to the top of the bracket, a reinforcing crushing roller assembly rotatably connected to the inner wall of the crushing box, the number of the reinforcing crushing roller assembly being two sets, a spring fixedly connected to the bottom of the bracket, a support rod fixedly connected to the bottom of the spring, a protective sleeve fixedly connected to the bottom of the bracket, and a vibration motor fixedly connected to the bottom of the bracket.

[0007] By adopting the above technical solution, when using the equipment, the staff puts the material into the crushing box, where it is crushed by the crushing roller assembly. After crushing, the material falls onto a V-shaped screen with its pointed end facing upwards and its sides forming an appropriate slope to facilitate the material's rolling. While rolling, the material is screened, and simultaneously, a vibrating motor starts to vibrate. The support frame at both ends of the bottom of the V-shaped screen does not affect the material's fall, and the middle is supported by a support rod. The support rod supports the spring, and the crushed material that meets the requirements falls directly through the V-shaped screen. The protective sleeve prevents material particles from affecting the spring's extension and contraction, and the spring increases the vibration frequency. Larger particles are dispersed to the reinforced crushing roller assembly, where they are crushed again to ensure thorough crushing, avoid multiple processing of the material, and achieve faster crushing efficiency.

[0008] A further feature of this invention is that a discharge pipe is fixedly connected to the bottom of the crushing box, and a valve is provided on the outer surface of the discharge pipe.

[0009] By adopting the above technical solution, the thoroughly crushed material is discharged from the discharge pipe, and the valve controls the opening and closing of the discharge pipe.

[0010] A further feature of this invention is that the top of the crushing box is provided with a feeding groove, and the bottom of the feeding groove is provided with a feeding port.

[0011] By adopting the above technical solution, the material falls down along the feeding groove and is fed from the feeding port.

[0012] A further feature of this invention is that a guide pipe is fixedly connected to the top of the inner wall of the crushing box, and the cross-section of the guide pipe is rectangular.

[0013] By adopting the above technical solution, the feed pipe guides the material, which is beneficial to the crushing of the crushing roller assembly.

[0014] A further feature of this invention is that a dust cover is fixedly connected to the top of the crushing box, and a corresponding opening is provided on one side of the dust cover.

[0015] By adopting the above technical solution, the dust cover prevents dust from scattering, and the size of the corresponding opening is appropriate.

[0016] A further feature of this invention is that a feed trough is fixedly connected to the top of the crushing box, and a support plate is fixedly connected to the bottom of the feed trough.

[0017] By adopting the above technical solution, the support plate supports the feed trough, and the feed trough is in an inclined state.

[0018] A further feature of this invention is that the inner wall of the feeding trough is connected to a feeding conveyor belt, and the outer surface of the feeding conveyor belt is fixedly connected to a lifting plate.

[0019] By adopting the above technical solution, the feeding conveyor belt feeds the material, and the lifting plate prevents the material from slipping.

[0020] A further feature of this invention is that the number of lifting plates is several, and the several lifting plates are distributed at equal intervals.

[0021] By adopting the above technical solution, the spacing between the plates is made more uniform, and the materials are fed in an orderly manner.

[0022] A further feature of this invention is that an inspection door is hinged to one side of the crushing box, and a handle is fixedly connected to the outer surface of the inspection door.

[0023] By adopting the above technical solutions, the access door facilitates internal maintenance and increases convenience.

[0024] A further feature of this invention is that a support telescopic rod is fixedly connected inside the spring, and the number of springs is four.

[0025] By adopting the above technical solution, the support telescopic rod is prevented from swaying left and right, thus improving its support.

[0026] The beneficial effects of this utility model are:

[0027] 1. This utility model, through the coordinated arrangement of a crushing box, crushing roller assembly, V-shaped screen, support frame, support rod, reinforced crushing roller assembly, spring, support rod, protective sleeve, and vibrating motor, enables the device to operate smoothly. When the operator puts material into the crushing box, it is crushed by the crushing roller assembly and falls onto the V-shaped screen. The pointed end of the V-shaped screen faces upwards, and the sides form an appropriate slope to facilitate material rolling. Simultaneously, the material is screened as it rolls down. The vibrating motor starts vibrating, and the support frame at both ends of the bottom of the V-shaped screen does not obstruct the material's fall. The middle is supported by the support rod, which in turn supports the spring. The properly crushed material passes directly through the V-shaped screen and falls. The protective sleeve prevents material particles from affecting the spring's extension and contraction. The spring increases the vibration frequency, dispersing larger particles to the reinforced crushing roller assembly for further crushing, ensuring thorough crushing, avoiding multiple processing steps, and achieving high crushing efficiency.

[0028] 2. This utility model, through the coordinated arrangement of the discharge pipe, feeding groove, feeding port, guide pipe, dust cover, corresponding port, feeding trough, support plate, feeding conveyor belt, lifting plate, inspection door, and support telescopic rod, enables the device to discharge thoroughly crushed material from the discharge pipe during use. The valve controls the opening and closing of the discharge pipe, the material falls along the feeding groove and enters from the feeding port, the guide pipe guides the material to facilitate crushing by the crushing rollers, the dust cover prevents dust from scattering, the corresponding port is of appropriate size, the support plate supports the feeding trough, the feeding trough is inclined, the feeding conveyor belt feeds the material, the lifting plate prevents material from slipping, the lifting plates are evenly spaced and feed the material in an orderly manner, the inspection door facilitates internal maintenance and increases convenience, and the support telescopic rod prevents the spring from swaying left and right and improves support. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of this utility model;

[0031] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0032] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0033] Figure 4 This is a schematic diagram of the support structure of this utility model.

[0034] In the diagram, 1. Crushing box; 2. Crushing roller assembly; 3. V-shaped screen; 4. Support frame; 5. Frame rod; 6. Reinforced crushing roller assembly; 7. Spring; 8. Support rod; 9. Protective sleeve; 10. Vibrating motor; 11. Discharge pipe; 12. Feed groove; 13. Feed inlet; 14. Guide pipe; 15. Dust cover; 16. Corresponding opening; 17. Feed trough; 18. Support plate; 19. Feeding conveyor belt; 20. Lifting plate; 21. Inspection door; 22. Support telescopic rod. Detailed Implementation

[0035] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0036] Reference Figure 1-4A crushing device for municipal engineering construction materials includes a crushing box 1. A crushing roller assembly 2 is rotatably connected to the inner wall of the crushing box 1. A V-shaped screen 3 is installed on the inner wall of the crushing box 1, with gaps between the two ends of the V-shaped screen 3 and the crushing box 1. Supports 4 are fixedly connected to the bottom ends of the V-shaped screen 3, and a support rod 5 is fixedly connected to the top of the support 4. Two reinforcing crushing roller assemblies 6 are rotatably connected to the inner wall of the crushing box 1. A spring 7 is fixedly connected to the bottom of the support 4, a support rod 8 is fixedly connected to the bottom of the spring 7, a protective sleeve 9 is fixedly connected to the bottom of the support 4, and a vibration motor 10 is fixedly connected to the bottom of the support 4. When in use, the operator puts the material into the crushing box 1, where it is crushed by the crushing roller assembly 2. The material then falls onto the V-shaped screen 3, with its pointed end facing upwards and its sides forming a suitable slope to facilitate material rolling. As it rolls, it is screened. Simultaneously, the vibrating motor 10 starts vibrating. The support 4 at both ends of the bottom of the V-shaped screen 3 does not obstruct the material's fall, and is supported in the middle by the support rod 5. The support rod 8 supports the spring 7. The properly crushed material passes directly through the V-shaped screen 3 and falls. The protective sleeve 9 prevents material particles from affecting the extension and contraction of the spring 7. The spring 7 increases the vibration frequency. Larger particles are dispersed to the reinforced crushing roller group 6, where they are further crushed to ensure thorough crushing and avoid multiple processing steps, resulting in faster crushing efficiency. A discharge pipe 11 is fixedly connected to the bottom of the crushing box 1, and a valve is installed on the outer surface of the discharge pipe 11. The thoroughly pulverized material is discharged from the discharge pipe 11. The valve controls the opening and closing of the discharge pipe 11. The top of the pulverizing box 1 has a feeding groove 12, and the bottom of the feeding groove 12 has a feeding port 13. The material falls down along the feeding groove 12 and is fed into the feeding port 13. The top of the inner wall of the pulverizing box 1 is fixedly connected to a guide pipe 14. The guide pipe 14 has a rectangular cross-section and guides the material to facilitate the pulverizing by the pulverizing roller group 2. The top of the pulverizing box 1 is fixedly connected to a dust cover 15. One side of the dust cover 15 has a corresponding opening 16 to prevent dust from scattering. The size of the corresponding opening 16 is moderate. The top of the pulverizing box 1 is fixedly connected to a feeding trough 17, and the bottom of the feeding trough 17 is fixedly connected to a support plate 18. 8. A support feed trough 17 is inclined. The inner wall of the feed trough 17 is connected to a feeding conveyor belt 19. The outer surface of the feeding conveyor belt 19 is fixedly connected to a lifting plate 20. The feeding conveyor belt 19 feeds materials, and the lifting plate 20 prevents materials from slipping. There are several lifting plates 20, which are evenly distributed and feed materials in an orderly manner. One side of the crushing box 1 is hinged to an inspection door 21. The outer surface of the inspection door 21 is fixedly connected to a handle. The inspection door 21 facilitates internal maintenance and increases convenience. The inside of the spring 7 is fixedly connected to a support telescopic rod 22. There are four springs 7. The support telescopic rod 22 prevents the springs 7 from swaying left and right and improves support.

[0037] In this invention, through the coordinated arrangement of the crushing box 1, crushing roller assembly 2, V-shaped screen 3, support 4, support rod 5, reinforced crushing roller assembly 6, spring 7, support rod 8, protective sleeve 9, and vibrating motor 10, the device allows the operator to input materials into the crushing box 1, where they are crushed by the crushing roller assembly 2. The crushed material then falls onto the V-shaped screen 3, with its pointed ends facing upwards and its sides forming a suitable slope to facilitate material rolling. Simultaneously, the material is screened as it rolls down. The vibrating motor 10 starts vibrating. The support 4 at both ends of the bottom of the V-shaped screen 3 does not obstruct the material's fall, while the support rod 5 supports the middle. The support rod 8 supports the spring 7. The properly crushed material passes directly through the V-shaped screen 3 and falls. The protective sleeve 9 prevents material particles from affecting the extension and contraction of the spring 7. The spring 7 increases the vibration frequency, dispersing larger particles to the reinforced crushing roller assembly 6 for further crushing, ensuring thorough crushing and avoiding multiple processing of the material. The device boasts rapid crushing efficiency. Through the coordinated arrangement of the discharge pipe 11, feed groove 12, feed inlet 13, guide pipe 14, dust cover 15, corresponding port 16, feed trough 17, support plate 18, feeding conveyor belt 19, lifting plate 20, inspection door 21, and support telescopic rod 22, the thoroughly crushed material is discharged from the discharge pipe 11 during operation. The valve controls the opening and closing of the discharge pipe 11, allowing the material to fall along the feed groove 12 and feed into the feed inlet 13. The feed pipe 14 guides the material, which is beneficial for the crushing of the crushing roller group 2. The dust cover 15 prevents dust from scattering. The corresponding opening 16 is of moderate size. The support plate 18 supports the feed chute 17, which is inclined. The feeding conveyor belt 19 feeds the material. The lifting plate 20 prevents the material from slipping. The lifting plates 20 are evenly spaced and feed the material in an orderly manner. The maintenance door 21 facilitates internal maintenance and increases convenience. The support telescopic rod 22 prevents the spring 7 from swaying left and right and improves support.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A crushing device for construction materials in municipal engineering projects, comprising a crushing box (1), characterized in that: The inner wall of the crushing box (1) is rotatably connected to a crushing roller assembly (2). The inner wall of the crushing box (1) is provided with a V-shaped screen (3). There is a gap between the two ends of the V-shaped screen (3) and the crushing box (1). The bottom two ends of the V-shaped screen (3) are fixedly connected to a bracket (4). The top of the bracket (4) is fixedly connected to a support rod (5). The inner wall of the crushing box (1) is rotatably connected to a reinforcing crushing roller assembly (6). There are two sets of reinforcing crushing roller assemblies (6). The bottom of the bracket (4) is fixedly connected to a spring (7). The bottom of the spring (7) is fixedly connected to a support rod (8). The bottom of the bracket (4) is fixedly connected to a protective sleeve (9). The bottom of the bracket (4) is fixedly connected to a vibration motor (10).

2. The municipal engineering construction material crushing device according to claim 1, characterized in that: The bottom of the crushing box (1) is fixedly connected to a discharge pipe (11), and a valve is provided on the outer surface of the discharge pipe (11).

3. The municipal engineering construction material crushing device according to claim 1, characterized in that: The top of the crushing box (1) is provided with a feeding groove (12), and the bottom of the feeding groove (12) is provided with a feeding port (13).

4. The municipal engineering construction material crushing device according to claim 1, characterized in that: A guide pipe (14) is fixedly connected to the top of the inner wall of the crushing box (1), and the cross-section of the guide pipe (14) is rectangular.

5. A municipal engineering construction material crushing device according to claim 1, characterized in that: The top of the crushing box (1) is fixedly connected to a dust cover (15), and a corresponding opening (16) is provided on one side of the dust cover (15).

6. The municipal engineering construction material crushing device according to claim 1, characterized in that: The top of the crushing box (1) is fixedly connected to a feed trough (17), and the bottom of the feed trough (17) is fixedly connected to a support plate (18).

7. A municipal engineering construction material crushing device according to claim 6, characterized in that: The inner wall of the feed trough (17) is connected to a feeding conveyor belt (19), and the outer surface of the feeding conveyor belt (19) is fixedly connected to a lifting plate (20).

8. A municipal engineering construction material crushing device according to claim 7, characterized in that: The number of lifting plates (20) is several, and the several lifting plates (20) are distributed at equal intervals.

9. A municipal engineering construction material crushing device according to claim 1, characterized in that: The crushing box (1) is hinged to one side of an inspection door (21), and a handle is fixedly connected to the outer surface of the inspection door (21).

10. A municipal engineering construction material crushing device according to claim 1, characterized in that: The spring (7) is internally fixedly connected to a support telescopic rod (22), and there are four springs (7).

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