Stone crushing device for earthwork stone construction

By installing dust extraction and spraying units at the feed inlet of the jaw crusher, combined with a screening unit, the dust problem caused by the jaw crusher near residential areas has been solved, achieving low-cost and high-efficiency stone crushing and recycling.

CN223628675UActive Publication Date: 2025-12-05ANHUI XINGXIANG CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202422613089.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-12-05
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Traditional jaw crushers generate dust pollution when used near residential areas, and other crushing methods are costly, increasing construction costs.

Method used

A stone crushing device was designed, which includes a support unit, a dust extraction unit, a spraying unit, and a screening unit. The dust extraction unit extracts air from the feed inlet of the jaw crusher, the spraying unit sprays water to reduce dust, and the screening unit screens and recycles the crushed stones.

Benefits of technology

It effectively reduces dust pollution during the crushing process, lowers the environmental impact, and improves the utilization rate of stones through screening, thereby reducing construction costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a stone crushing device for earthwork stone construction, and relates to the field of earthwork stone construction, the stone crushing device comprises a supporting unit, the supporting unit comprises a supporting frame, the top of the supporting frame is fixedly connected with a jaw crusher body, a screening unit is arranged in an inner cavity of the supporting frame, and a dust extraction unit is arranged at a feeding port of the jaw crusher body; the supporting unit is used for supporting the jaw crusher body and is matched with the jaw crusher body to crush large-size broken stones generated in earth and stone engineering, and the dust extraction unit is arranged to extract dust from air at the feeding port of the jaw crusher body during starting of the jaw crusher body. According to the stone crushing device, the stone crushing unit is arranged, so that raised dust caused by stone crushing is prevented from drifting away in the surrounding environment, the dust extraction unit extracts and collects dust in the environment, recovery is facilitated, the raised dust condition is reduced, and meanwhile, the spraying unit is arranged to spray water to the fed stone.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to earthwork stone construction field, concretely is a kind of stone block breaking device for earthwork stone construction. BACKGROUND

[0002] Earthwork stone construction is usually to carry out excavating and breaking operation to earthwork pavement, wherein a large amount of broken stone is generated, and the volume is large, so further breaking operation is needed;

[0003] The jaw crusher for breaking stone of traditional earthwork can better break the stone generated in earthwork engineering, but there are residential areas near part of earthwork construction, in order to reduce the influence on environment, and because the construction of jaw crusher generates large dust, it is inconvenient to use, and the breaking operation using other methods is easy to increase breaking cost, thereby increasing construction cost.

[0004] Therefore, the utility model provides a kind of stone block breaking device for earthwork stone construction to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] A kind of stone block breaking device for earthwork stone construction, including support unit, the support unit includes support frame, the top of the support frame is fixedly connected with jaw crusher body, the inner cavity of the support frame is provided with screening unit, the inlet of the jaw crusher body is provided with dust extraction unit, one side of the dust extraction unit is provided with spraying unit, the dust extraction unit includes ventilation plate, and is set around the inlet of jaw crusher body, one side of the ventilation plate is communicated with air deflector, the inner cavity of the air deflector is fixedly connected with first filter screen.

[0007] Further, in the utility model, the dust extraction unit further includes connecting frame, one side of the two air deflectors is communicated with connecting frame, the inner wall of the connecting frame is fixedly connected with second filter screen.

[0008] Further, in the utility model, the dust extraction unit further includes air deflector, the air deflector is communicated with one side of connecting frame, one side of the air deflector is provided with fan, the air inlet of the fan is communicated with air deflector.

[0009] Further, in the utility model, the spraying unit includes mounting frame, the mounting frame is fixedly connected with one side of ventilation plate, the inner cavity of the mounting frame is fixedly connected with water pump, the water outlet of the water pump is communicated with water collecting plate, one side of the water collecting plate is communicated with spray head, one end of the spray head penetrates into the inner cavity of ventilation plate, the water inlet of the water pump penetrates mounting frame, and is communicated with valve.

[0010] Further, in the utility model, the screening unit still includes the coaming, the coaming is fixedly connected with the top of screening board, the bottom of movable plate is fixedly connected with spring, and the lower end of spring is fixedly connected with the bottom of the inner chamber of limiting seat.

[0011] Further, in the utility model, the screening unit still includes the coaming, the coaming is fixedly connected with the top of screening board, the bottom of movable plate is fixedly connected with spring, and the lower end of spring is fixedly connected with the bottom of the inner chamber of limiting seat.

[0012] Beneficial effect, the utility model has following beneficial effect:

[0013] The utility model discloses a support unit is used for supporting the body of the crusher, and the body of the crusher is used for carrying out crushing operation to the large volume broken stone of earthwork project, through setting up dust extraction unit, the air at the material inlet of the body of the crusher can be carried out dust extraction operation during starting the body of the crusher, so as to prevent the flying dust caused by broken stone from scattering in the surrounding environment, the dust extraction unit extracts and collects the dust in the environment, facilitates recycling and reduces the condition of flying dust, and through setting up spraying unit, the stone block of material can be carried out water spraying operation, the stone block of water contamination is reduced in the air when being broken because of damp, prevents the pollution to surrounding residential area, through setting up screening unit, the broken stone can be carried out screening operation after completing crushing, so as to recycle and reuse the broken stone. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the three-dimensional structure schematic diagram of water pump of the utility model;

[0016] Figure 3 It is the sectional three-dimensional structure schematic diagram of the utility model air deflector and connecting frame;

[0017] Figure 4 It is the three-dimensional structure schematic diagram of screening board of the utility model.

[0018] In the drawing:

[0019] 1, support unit; 11, support frame; 12, screening unit; 121, limit seat; 122, movable plate; 123, screening plate; 124, vibration motor; 125, coaming; 126, spring; 2, jaw crusher body; 3, dust extraction unit; 31, ventilation plate; 32, air deflector; 33, connecting frame; 34, air deflector; 35, fan; 36, first filter screen; 37, second filter screen; 4, spraying unit; 41, mounting frame; 42, water pump; 43, water collecting plate; 44, spray head; 45, valve. DETAILED DESCRIPTION

[0020] In order to better understand the technical content of the utility model, specific embodiments are given and the accompanying drawings are described as follows. In the present disclosure, aspects of the utility model are described with reference to the accompanying drawings, which show many embodiments of the description. The embodiments of the present disclosure are not necessarily defined in all aspects of the utility model. It should be understood that the above-mentioned various concepts and embodiments, as well as those described in more detail below, can be implemented in any one of many ways, because the concepts and embodiments disclosed by the utility model are not limited to any implementation. In addition, some aspects of the utility model can be used alone, or in any appropriate combination with other aspects of the utility model. Embodiment 1

[0021] As Figures 1-4 shown, the first embodiment of the utility model provides a stone breaking device for earthwork stone construction, which comprises a support unit 1, the support unit 1 comprises a support frame 11, the top of the support frame 11 is fixedly connected with a jaw crusher body 2, a screening unit 12 is arranged in the inner cavity of the support frame 11, a dust extraction unit 3 is arranged at the inlet of the jaw crusher body 2, a spraying unit 4 is arranged on one side of the dust extraction unit 3, the dust extraction unit 3 comprises a ventilation plate 31, which is arranged around the inlet of the jaw crusher body 2, a wind deflector 32 is communicated with one side of the ventilation plate 31, and a first filter screen 36 is fixedly connected in the inner cavity of the wind deflector 32.

[0022] As Figures 1-2 shown, the jaw crusher body 2 can crush the stone by using motor, transmission device and crushing block lamp parts, and cooperate with the dust extraction unit 3 and the spraying unit 4 to reduce the dust generated during equipment operation, so as to reduce pollution and reduce the impact on the surrounding environment. The screening unit 12 can also screen the stone, and the screened stone can be additionally conveyed for transmission to facilitate transportation. Embodiment 2

[0023] Referring to Figure 3 , the second embodiment of the utility model is based on the previous embodiment.

[0024] In the embodiment, the dust extraction unit 3 further comprises a connecting frame 33, one side of each of the two air deflectors 32 is communicated with the connecting frame 33, and an inner wall of the connecting frame 33 is fixedly connected with a second filter screen 37.

[0025] The dust extraction unit 3 further comprises an air deflector 34, the air deflector 34 is communicated with one side of the connecting frame 33, one side of the air deflector 34 is provided with a fan 35, and an air inlet of the fan 35 is communicated with the air deflector 34.

[0026] As shown in Figure 3 , the first filter screen 36 and the second filter screen 37 respectively intercept dust in the air flow process, the mesh number of the second filter screen 37 is greater than that of the first filter screen 36, and the two cooperate to intercept in layers, and the start of the fan 35 provides a basis for the dust extraction of the dust extraction unit 3. Embodiment 3

[0027] Referring to Figure 2 and 4 , this is the third embodiment of the utility model, and the embodiment is based on the previous two embodiments.

[0028] In the embodiment, the spraying unit 4 comprises a mounting frame 41, the mounting frame 41 is fixedly connected with one side of the ventilation plate 31, an inner cavity of the mounting frame 41 is fixedly connected with a water pump 42, a water outlet of the water pump 42 is communicated with a water collecting plate 43, one side of the water collecting plate 43 is communicated with a spray head 44, one end of the spray head 44 penetrates into the inner cavity of the ventilation plate 31, an inlet of the water pump 42 penetrates through the mounting frame 41 and is communicated with a valve 45.

[0029] The screening unit 12 comprises two limiting seats 121, the limiting seats 121 are fixedly connected with inner walls of the support frame 11, inner cavities of the limiting seats 121 are movably connected with movable plates 122, the movable plates 122 penetrate through the limiting seats 121 from top to bottom, the movable plates 122 are fixedly connected with screening plates 123, and one side of each of the movable plates 122 is fixedly connected with a vibration motor 124.

[0030] The screening unit 12 further comprises a surrounding plate 125, the surrounding plate 125 is fixedly connected with the top of the screening plate 123, the bottom of each of the movable plates 122 is fixedly connected with a spring 126, and the lower end of each of the springs 126 is fixedly connected with the bottom of the inner cavity of the limiting seat 121.

[0031] As shown in Figure 2 and 4 , the water pump 42 discharges water into the inner cavity of the water collecting plate 43 in cooperation with the opened valve 45, and discharges water in cooperation with the spray head 44, so that the stone blocks are wetted, the occurrence of dust is reduced, the vibration motor 124 can drive the screening plate 123 to vibrate and screen the stone blocks, and the reciprocation of the movable plate 122 in cooperation with the spring 126 can prevent the stone blocks from being too heavy to affect the screening effect of the screening plate 123.

[0032] In use, first, the stone block to be broken is put into the cavity of the ventilation plate 31 and enters the feeding port of the crusher body 2, the crusher body 2, the water pump 42 and the fan 35 are started by the external controller, the starting of the crusher body 2 makes the broken block reciprocate and crush the stone block, the starting of the fan 35 draws air through the air guide plate 32, the connecting frame 33 and the ventilation plate 31, the starting of the water pump 42 draws external water into the cavity of the water collecting plate 43 and sprays it out through the spray head 44, so that the surface of the stone block is wet, the crushed stone block falls to the top of the screening plate 123, the vibration motor 124 is started by the external controller, the starting of the vibration motor 124 drives the movable plate 122, the screening plate 123 and the surrounding plate 125 to vibrate, so that the stone block is screened, and the downward pressing of the movable plate 122 in the cavity of the limiting seat 121 will extrude the spring 126, and the reset elastic force generated thereby will assist the reset of the movable plate 122 and the screening plate 123.

[0033] The standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming by the person skilled in the art, which belongs to the common knowledge in the art, and the present application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.

[0034] Although the present application has been disclosed with the preferred embodiments, it is not intended to limit the present application. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application is defined by the claims.

Claims

1. A stone breaking device for earthwork construction, comprising a support unit (1), characterized by: The support unit (1) comprises a support frame (11), the top of the support frame (11) is fixedly connected with a crusher body (2), a screening unit (12) is arranged in the inner cavity of the support frame (11), a dust extraction unit (3) is arranged at the feeding port of the crusher body (2), a spraying unit (4) is arranged on one side of the dust extraction unit (3), the dust extraction unit (3) comprises a ventilation plate (31) arranged around the feeding port of the crusher body (2), and one side of the ventilation plate (31) is communicated with a guide plate (32); the inner cavity of the guide plate (32) is fixedly connected with a first filter screen (36).

2. The rock breaking device for earthwork construction according to claim 1, wherein: The dust extraction unit (3) further comprises a connecting frame (33), one side of each of the two guide plates (32) is communicated with the connecting frame (33), and the inner wall of the connecting frame (33) is fixedly connected with a second filter screen (37).

3. The rock breaking device for earthwork construction according to claim 2, wherein: The dust extraction unit (3) further comprises a guide hopper (34), the guide hopper (34) is communicated with one side of the connecting frame (33), one side of the guide hopper (34) is provided with a fan (35), and the air inlet of the fan (35) is communicated with the guide hopper (34).

4. The rock breaking device for earthwork construction according to claim 1, wherein: The spraying unit (4) comprises a mounting frame (41), the mounting frame (41) is fixedly connected with one side of the ventilation plate (31), the inner cavity of the mounting frame (41) is fixedly connected with a water pump (42), the water outlet of the water pump (42) is communicated with a water collecting plate (43), one side of the water collecting plate (43) is communicated with a spray head (44), one end of the spray head (44) penetrates into the inner cavity of the ventilation plate (31), the water inlet of the water pump (42) penetrates through the mounting frame (41) and is communicated with a valve (45).

5. The rock breaking device for earthwork construction according to claim 1, wherein: The screening unit (12) comprises a limiting seat (121), the number of the limiting seats (121) is two, and the limiting seats (121) are fixedly connected with the inner wall of the support frame (11), the inner cavity of each limiting seat (121) is movably connected with an activity plate (122), the top of the activity plate (122) penetrates through the limiting seat (121) and is fixedly connected with a screening plate (123), and one side of the activity plate (122) is fixedly connected with a vibration motor (124).

6. The rock breaking device for earthwork construction according to claim 5, wherein: The screening unit (12) further comprises a surrounding plate (125), the surrounding plate (125) is fixedly connected with the top of the screening plate (123), the bottom of the activity plate (122) is fixedly connected with a spring (126), and the lower end of the spring (126) is fixedly connected with the bottom of the inner cavity of the limiting seat (121).