Noise reduction type building waste crusher

Abstract

The utility model relates to the technical field of concrete production, and discloses a noise reduction type building waste crusher which comprises a shell, a crushing impeller is arranged in the shell, a plurality of impact parts in a circumferential array are arranged on the outer side of the crushing impeller, and the impact parts are fixedly connected with the shell through a support. A cavity is formed in the impact part and is filled with cooling water; a noise reduction cavity is defined by the outer walls of the impact parts and the inner wall of the shell. The problems that an existing crusher is large in noise and poor in working environment of workers are solved, meanwhile, the working performance of the crusher is improved, and stable operation of equipment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete production technical field especially relates to a noise reduction type building waste crusher. BACKGROUND

[0002] In the booming construction industry, the amount of building waste is growing. As the key equipment for processing building waste, the importance of the crusher is self-evident. However, the existing crusher has many problems in the actual working process, among which the problem of high noise is particularly prominent. Excessive noise not only damages the hearing of workers, but also may cause workers' irritability, reduce work efficiency and greatly affect the working environment of workers. This not only threatens the physical and mental health of workers, but also does not meet the concept of modern green environmental protection and comfortable working environment. Therefore, there is an urgent need to develop a building waste crusher that can effectively reduce noise. SUMMARY

[0003] The utility model aims at providing a noise reduction type building waste crusher to solve the problems of large noise and poor working environment of workers of the existing crusher, improve the working performance of the crusher and ensure stable operation of the equipment.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A noise reduction type building waste crusher comprises a shell, a crushing impeller is arranged in the shell, a plurality of circumferential arrays of impact parts are arranged on the outer side of the crushing impeller, the impact parts are fixedly connected with the shell through supports, a cavity is arranged in the impact part, and cooling water is filled in the cavity.

[0006] The inner wall of the shell and the outer wall of the impact part surround a noise reduction cavity.

[0007] When crushing operation is performed, the building waste hitting on the impact part not only produces loud noise but also generates a certain temperature. The cooling water arranged in the impact part can not only cool the impact part to keep normal operation but also absorb part of the vibration of the impact part to reduce noise. The noise reduction cavity arranged on the outer side of the impact part can further reduce the overflow noise to ensure the environment of the working area.

[0008] The utility model is further provided as follows: the impact part comprises upper impact blocks and lower impact blocks, a one-side-opened cavity is formed on the upper impact blocks and the lower impact blocks, and the two cavities of the upper impact blocks and the lower impact blocks surround a cavity.

[0009] The sealing ring is clamped between the upper and lower counterattack blocks. The counterattack part is composed of the upper and lower counterattack blocks, which facilitates the machining of the cavity and further reduces the material consumption of the counterattack part and the overall weight.

[0010] The utility model further sets up: the lower end of the cavity of lower counterattack block is connected with water inlet branch pipe, the upper end of the cavity of upper counterattack block is connected with water outlet branch pipe, multiple water inlet branch pipes are connected with circulating water main water inlet pipe, multiple water outlet branch pipes are connected with circulating water main water outlet pipe, and circulating water main water inlet pipe and circulating water main water outlet pipe are arranged in the noise reduction cavity and are connected with the cooling water circulation system outside, the cooling water outside is introduced into each water inlet branch pipe through circulating water main water inlet pipe, the water in the water inlet branch pipe enters the cavity of lower counterattack block and then flows on upper counterattack block, and then flows out from the water outlet branch pipe to circulating water main water outlet pipe, the cooling water flowing through the counterattack part can accelerate the cooling of the counterattack part, prevent the counterattack part from being deformed by heat, and ensure normal operation.

[0011] The utility model further sets up: the middle part of water inlet branch pipe and the middle part of water outlet branch pipe each are equipped with a section of bellows, and the bellows can prevent the water inlet branch pipe and the water outlet branch pipe from being broken due to vibration and provide the water inlet branch pipe and the water outlet branch pipe with a certain movement space.

[0012] The utility model further sets up: sound insulation cotton layers are arranged in the noise reduction cavity, and the sound insulation cotton layers can further reduce noise and ensure the comfort of the working environment.

[0013] The utility model further sets up: the sound insulation cotton layers comprise a plurality of fan-shaped sound insulation cotton modules, and the fan-shaped sound insulation cotton modules enclose a sound insulation cotton layer.

[0014] The utility model further sets up: the crushing impeller is fixed to the upper part of the main shaft, the middle part of the main shaft is rotatably connected to the crusher main body frame, the lower end of the main shaft is fixed with a main pulley, the main pulley is connected with two or more auxiliary pulleys through a plurality of belts, each auxiliary pulley is connected with a motor that drives the rotation of the auxiliary pulley, and the motor is fixed to the crusher main body frame. The rotation of the main shaft is driven by the plurality of motors, the crushing impeller has greater rotational torque and speed, and better crushing effect can be achieved.

[0015] The utility model has the following advantages:

[0016] Compared with the prior art, the noise reduction effect is remarkable: when the building waste is crushed, the waste will hit the counterattack part and produce a loud noise and a certain temperature. The cooling water in the counterattack part not only cools the counterattack part to ensure normal operation, but also absorbs part of the vibration on the counterattack part, thereby effectively reducing noise. Meanwhile, the noise reduction cavity arranged on the outside of the counterattack part, in combination with the sound insulation cotton layers inside, can further reduce the noise overflow and create a quiet environment for the working area.

[0017] Reasonable structure design: the counterattack part is an upper counterattack block and a lower counterattack block, the design not only facilitates the machining and manufacturing of the cavity, but also effectively reduces the material of the counterattack part and the overall weight of the equipment, thereby reducing the energy consumption;

[0018] Strong power: the main shaft is driven to rotate by multiple motors, so that the broken impeller can obtain greater rotating torque and rotating speed, and the crushing effect of the crusher is significantly improved, and the working efficiency is improved;

[0019] The sound insulation cotton layer is modularly arranged, so that the installation and later replacement and maintenance of the sound insulation cotton layer are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is Figure 1 The sectional view about A-A;

[0022] Figure 3 It is Figure 2 The local enlarged view about B;

[0023] Figure 4 It is Figure 3 The local enlarged view about C;

[0024] Figure 5 It is Figure 2 The local enlarged view about D.

[0025] Reference signs: 1, shell; 2, broken impeller; 3, counterattack part; 4, support; 5, sound insulation cotton layer; 6, cooling water;

[0026] 100, noise reduction cavity;

[0027] 21, main shaft; 22, main pulley; 23, belt; 24, auxiliary pulley; 25, motor;

[0028] 31, upper counterattack block; 32, lower counterattack block; 33, water inlet branch pipe; 34, water outlet branch pipe; 35, circulating water main inlet pipe; 36, circulating water main outlet pipe; 37, sealing ring;

[0029] 301, cavity; 302, cavity;

[0030] 51, fan-shaped sound insulation cotton module. DETAILED DESCRIPTION

[0031] The specific embodiments of the utility model are further described in detail in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0032] The following references Figures 1 to 5 The utility model embodiment is explained:

[0033] A kind of noise reduction type building waste crusher, including shell 1, shell 1 is equipped with crushing impeller 2, the outside of crushing impeller 2 is equipped with several circumferential arrays of counterattack part 3, counterattack part 3 is fixedly connected with shell 1 by support 4;Counterattack part 3 is equipped with cavity 301, cavity 301 is filled with cooling water 6;

[0034] Several counterattack part 3 outer wall and the inner wall of shell 1 are enclosed into noise reduction cavity 100.

[0035] When carrying out crushing operation, building waste hits on counterattack part not only can make counterattack part produce greater sound also can produce certain temperature, by setting cooling water in counterattack part, cooling water not only can cool counterattack part, make it keep normal work, also can absorb part of vibration on counterattack part, to reduce noise;By setting noise reduction cavity on the outside of counterattack part, can further reduce the noise of overflow, to ensure the environment of work area.

[0036] Counterattack part 3 includes upper counterattack block 31 and lower counterattack block 32, and the upper counterattack block 31 and the lower counterattack block 32 are formed with a side opening cavity 302, and the two cavities 302 of the upper counterattack block 31 and the lower counterattack block 32 are enclosed to form the cavity 301.

[0037] The upper counterattack block 31 and the lower counterattack block 32 are clamped with a sealing ring 37. The counterattack part is composed of upper and lower counterattack blocks, which can facilitate the machining work of the cavity and further reduce the material consumption of the counterattack part and the overall weight.

[0038] The lower end of the cavity 302 of the lower counterattack block 32 is connected with a water inlet branch pipe 33, and the upper end of the cavity 302 of the upper counterattack block 31 is connected with a water outlet branch pipe 34. The plurality of water inlet branch pipes 33 are connected with a circulating water main inlet pipe 35, and the plurality of water outlet branch pipes 34 are connected with a circulating water main outlet pipe 36. The circulating water main inlet pipe and the circulating water main outlet pipe are arranged in the noise reduction cavity and connected with the cooling water circulation system outside. The cooling water outside is introduced into the circulating water main inlet pipe and then distributed to each water inlet branch pipe. The water in the water inlet branch pipe enters the cavity of the lower counterattack block and then flows to the upper counterattack block. Then the cooling water flows out of the water outlet branch pipe to the circulating water main outlet pipe. The cooling water flowing through the counterattack part can accelerate the cooling of the counterattack part, prevent it from being deformed by heat, and ensure its normal operation.

[0039] A section of corrugated pipe 38 is arranged at the middle part of the water inlet branch pipe 33 and the middle part of the water outlet branch pipe 34. The corrugated pipe can prevent the water inlet branch pipe and the water outlet branch pipe from being broken due to vibration. The corrugated pipe can provide a certain movement space for the water inlet branch pipe and the water outlet branch pipe.

[0040] The noise reduction cavity 100 is provided with a sound insulation cotton layer 5, and the sound insulation cotton layer can further reduce noise and ensure the comfort of the working environment.

[0041] The sound insulation cotton layer 5 comprises a plurality of fan-shaped sound insulation cotton modules 51, and the plurality of fan-shaped sound insulation cotton modules are enclosed to form a sound insulation cotton layer.

[0042] The broken blade 2 is fixed on the upper part of the main shaft 21, the middle part of the main shaft 21 is rotationally connected to the crusher main body frame, the lower end of the main shaft 21 is fixed with a main pulley 22, the main pulley 22 is connected with two or more than two auxiliary pulleys 24 through a plurality of belts 23, each auxiliary pulley 24 is connected with a motor 25 for driving the rotation of the auxiliary pulley 24, and the motor 25 is fixed on the crusher main body frame. The main shaft is driven to rotate by a plurality of motors, so that the broken blade has greater rotation torque and speed, and better crushing effect can be achieved.

[0043] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and the above-mentioned improvements and modifications should be considered as the protection scope of the present application.

Claims

1. A noise-reducing construction waste crusher, comprising a shell (1), a crushing impeller (2) is arranged in the shell (1), a plurality of circumferential arrays of back-impact parts (3) are arranged on the outer side of the crushing impeller (2), and the back-impact parts (3) are fixedly connected with the shell (1) through a support (4); characterized in that: The counterattack part (3) is internally provided with a cavity (301), and the cavity (301) is filled with cooling water (6); ​ The outer wall of the counterattack part (3) and the inner wall of the shell (1) enclose a noise reduction cavity (100).

2. A noise-reducing construction waste crusher according to claim 1, characterized in that: The counterattack part (3) comprises an upper counterattack block (31) and a lower counterattack block (32), and the upper counterattack block (31) and the lower counterattack block (32) are both formed with a concave cavity (302) with one side opening, and the two concave cavities (302) of the upper counterattack block (31) and the lower counterattack block (32) enclose the cavity (301); The upper counterattack block (31) and the lower counterattack block (32) are clamped with a sealing ring (37).

3. A noise-reducing construction waste crusher according to claim 2, characterized in that: The lower end of the concave cavity (302) of the lower counterattack block (32) is connected with a water inlet branch pipe (33), and the upper end of the concave cavity (302) of the upper counterattack block (31) is connected with a water outlet branch pipe (34); the plurality of water inlet branch pipes (33) are connected with a circulating water main water inlet pipe (35), and the plurality of water outlet branch pipes (34) are connected with a circulating water main water outlet pipe (36).

4. A noise-reducing construction waste shredder according to claim 3, characterized in that: The middle part of the water inlet branch pipe (33) and the middle part of the water outlet branch pipe (34) are each provided with a section of corrugated pipe (38).

5. The noise reducing construction waste shredder of claim 1, wherein: The noise reduction cavity (100) is internally provided with a sound insulation cotton layer (5).

6. A noise-reducing construction waste shredder according to claim 5, characterized in that: The sound insulation cotton layer (5) comprises a plurality of fan-shaped sound insulation cotton modules (51).

7. The noise reducing construction waste shredder of claim 1, wherein: The crushing impeller (2) is fixed on the upper part of the main shaft (21), the lower end of the main shaft (21) is fixed with a main pulley (22), the main pulley (22) is connected with two or more auxiliary pulleys (24) through a plurality of belts (23), and each auxiliary pulley (24) is connected with a motor (25) for driving the rotation thereof.

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