CN210994469U - A concrete crushing device for quality inspection of construction engineering - Google Patents

Abstract

The utility model discloses a concrete crushing device for quality inspection of construction projects, comprising a crushing box, a protection cover is fixedly connected to the middle part of the right side of the crushing box, a motor is fixedly installed at the front end of the inner cavity of the protection cover through a fixing block, and the crushing box is inside the crushing box. The front end of the middle part of the cavity is rotatably connected with a first rotating shaft through a bearing, the outer surface of the first rotating shaft is sleeved with a first crushing roller, and the rear end of the middle part of the inner cavity of the crushing box is rotatably connected with a second rotating shaft through a bearing, and the outer surface of the second rotating shaft is A second crushing roller is sleeved, and the right ends of the first rotating shaft and the second rotating shaft both penetrate the right side of the inner cavity of the crushing box and extend to the inner cavity of the protective cover. The utility model solves the problem of concrete crushing by cooperating with the first crushing roller, the particle filter screen, the dust collecting cover, the fan, the dust collecting box, the motor, the driving gear, the second crushing roller, the driven gear and the dustproof filter screen. In the process of crushing, the device will generate dust, which will affect the surrounding environment and the health of workers.

Description

A concrete crushing device for quality inspection of construction engineering

technical field

The utility model relates to the technical field of construction engineering quality inspection, in particular to a concrete crushing device for construction engineering quality inspection.

Background technique

Concrete is an engineering composite material in which aggregates are cemented into a whole by a cementitious material. Generally speaking, concrete refers to the use of cement as cementitious material, sand and stone as aggregates, and water in a certain proportion. The obtained cement concrete is widely used in construction projects, so when testing the quality of construction projects, it is also necessary to test the quality of concrete. People often need to sample and analyze the solidified concrete to test the quality of concrete, so Concrete needs to be pulverized during inspection, but the current concrete pulverizing device will generate dust during pulverization, which affects the surrounding environment and the health of workers. For this reason, we propose a concrete pulverizing device for quality inspection of construction projects.

Utility model content

The purpose of the utility model is to provide a concrete crushing device for quality inspection of construction projects, which has the advantages of dust removal function, and solves the problem that the current concrete crushing device will generate dust during the crushing process, which affects the surrounding environment and the health of workers.

In order to achieve the above purpose, the utility model provides the following technical solutions: a concrete crushing device for quality inspection of construction projects, comprising a crushing box, a protective cover is fixedly connected to the middle part of the right side of the crushing box, and a bottom of the inner cavity of the protective cover is connected. The front end is fixedly installed with a motor through a fixed block, the front end of the inner cavity of the crushing box is rotatably connected with a first rotating shaft through a bearing, the outer surface of the first rotating shaft is sleeved with a first crushing roller, and the middle part of the inner cavity of the crushing box is connected with a first crushing roller. The rear end of the shaft is rotatably connected with a second rotating shaft through a bearing, the outer surface of the second rotating shaft is sleeved with a second crushing roller, and the right ends of the first rotating shaft and the second rotating shaft both penetrate the right side of the inner cavity of the crushing box and extend To the inner cavity of the protective cover, the right end of the outer surface of the first rotating shaft is sleeved with a driving gear, the right end of the first rotating shaft is fixedly connected with the output shaft of the motor, and the right end of the outer surface of the second rotating shaft is sleeved with a drive gear. The driven gear is meshed with the driving gear, the upper part of the inner cavity of the crushing box is fixedly connected with a particle filter, the top of the inner cavity of the crushing box is fixedly installed with a dust collection cover, and the top of the crushing box is The right end is fixedly connected with a dust collecting box, the left end of the top of the dust collecting box is fixedly connected with a long pipe, the other end of the long pipe is fixedly connected with the dust collecting hood, and the upper part of the right side of the crushing box is fixedly installed with a fan, so A suction pipe is fixedly connected to the suction port of the fan, and the other end of the suction pipe is fixedly connected to the right end of the top of the dust collecting box.

Preferably, a dust filter is fixedly connected to the right end of the top of the inner cavity of the dust collecting box and is located at the bottom of the suction pipe, and the front surface of the dust collecting box is provided with transparent glass.

Preferably, the upper part of the left side of the crushing box and the lower part of the particle filter screen are provided with a feeding port, and the front surface of the crushing box is movably connected with a box door through hinges.

Preferably, a PLC controller is fixedly installed on the upper part of the right side of the crushing box, and the output ends of the PLC controller are respectively electrically connected with the input ends of the fan and the motor.

Preferably, a dust outlet is provided at the lower part of the right side of the inner cavity of the dust collecting box, and a valve is movably installed in the inner cavity of the dust outlet.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The utility model can send the concrete blocks into the crushing box through the feeding port, use the motor to drive the first crushing roller to rotate, and simultaneously drive the second crushing roller to rotate under the action of the driving gear and the driven gear, so that the concrete blocks are crushed. For crushing, the fan is used to extract the air in the dust collecting box when the concrete blocks are crushed, so that a negative pressure is formed in the dust collecting box, and the dust is sucked into the dust collecting box by the dust collecting hood and the long pipe under the action of the negative pressure. The use of the particle filter can prevent the crushed concrete blocks from being sucked away during dust removal, and the dust filter can prevent the dust in the dust box from being sucked away, which solves the problem of the current concrete crushing device in the crushing process. It will generate dust and affect the surrounding environment and the health of workers.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view sectional structure schematic diagram of the utility model;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 of the present utility model.

In the figure: 1. Crushing box; 2. First crushing roller; 3. Feeding port; 4. Particle filter; 5. Dust hood; 6. Long pipe; 7. Suction pipe; 8. Fan; 9. Dust box; 10, dust outlet; 11, PLC controller; 12, protective cover; 13, motor; 14, driving gear; 15, first shaft; 16, second crushing roller; 17, second shaft; 18 , driven gear; 19, dust filter.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc., should be understood in a broad sense, for example, "connected" may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The pulverizing box 1, the first pulverizing roller 2, the feeding port 3, the particle filter 4, the dust collecting hood 5, the long pipe 6, the suction pipe 7, the fan 8, the dust collecting box 9, and the dust discharging port 10 of the utility model , PLC controller 11, protective cover 12, motor 13, driving gear 14, first shaft 15, second pulverizing roller 16, second shaft 17, driven gear 18 and dust filter 19 are all common standard parts or The structures and principles of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or through routine experimental methods.

Please refer to Figure 1-3, a concrete crushing device for quality inspection of construction projects, including crushing box 1, a protective cover 12 is fixedly connected to the middle of the right side of the crushing box 1, and the front end of the bottom of the inner cavity of the protective cover 12 is fixedly installed by a fixing block There is a motor 13, the front end of the inner cavity of the crushing box 1 is rotatably connected with a first rotating shaft 15 through a bearing, the outer surface of the first rotating shaft 15 is sleeved with a first crushing roller 2, and the rear end of the inner cavity of the crushing box 1 is rotated through the bearing. A second rotating shaft 17 is connected. The outer surface of the second rotating shaft 17 is sleeved with a second crushing roller 16. The right ends of the first rotating shaft 15 and the second rotating shaft 17 both penetrate the right side of the inner cavity of the crushing box 1 and extend to the protective cover 12. The right end of the outer surface of the first rotating shaft 15 is sleeved with a driving gear 14, the right end of the first rotating shaft 15 is fixedly connected with the output shaft of the motor 13, and the right end of the outer surface of the second rotating shaft 17 is sleeved with a driven gear 18, The driven gear 18 is meshed with the driving gear 14, the upper part of the inner cavity of the crushing box 1 is fixedly connected with the particle filter screen 4, the upper part of the left side of the crushing box 1 and the lower part of the particle filter screen 4 is provided with a feeding port 3, and the crushing box The front surface of 1 is movably connected with a box door through hinges, the top of the inner cavity of the crushing box 1 is fixedly installed with a dust collecting cover 5, the right end of the top of the crushing box 1 is fixedly connected with a dust collecting box 9, and the right side of the inner cavity of the dust collecting box 9 is fixedly connected. The lower part of the dust collector is provided with a dust outlet 10, the inner cavity of the dust outlet 10 is movably installed with a valve, the left end of the top of the dust collecting box 9 is fixedly connected with a long pipe 6, and the other end of the long pipe 6 is fixedly connected with the dust collecting cover 5. The upper part of the right side of the box 1 is fixedly installed with a fan 8, the suction port of the fan 8 is fixedly connected with a suction pipe 7, and the other end of the suction pipe 7 is fixedly connected with the right end of the top of the dust collecting box 9, through the feeding port 3, The concrete block can be sent into the crushing box 1, the first crushing roller 2 is driven by the motor 13 to rotate, and the second crushing roller 16 is simultaneously driven to rotate under the action of the driving gear 14 and the driven gear 18, so as to crush the concrete block. , the fan 8 is used to extract the air in the dust collecting box 9 when the concrete blocks are crushed, so that a negative pressure is formed in the dust collecting box 9, and the dust collecting hood 5 and the long pipe 6 are used to suck the dust into the dust collecting box under the action of the negative pressure. In the box 9, the particle filter 4 can be used to prevent the crushed concrete blocks from being sucked away during dust removal. The crushing device will generate dust in the process of crushing, which affects the surrounding environment and the health of workers. The right end of the top of the inner cavity of the dust collecting box 9 and located at the bottom of the suction pipe 7 is fixedly connected with a dust filter 19. The dust collecting box The front surface of 9 is provided with transparent glass, and the upper part of the right side of the crushing box 1 is fixedly installed with a PLC controller 11 .

When in use, the concrete block can be sent into the crushing box 1 through the feeding port 3, the first crushing roller 2 is driven by the motor 13 to rotate, and the second crushing roller is simultaneously driven by the driving gear 14 and the driven gear 18. 16 rotates to pulverize the concrete blocks, and the fan 8 is used to extract the air in the dust collecting box 9 when the concrete blocks are pulverized, so that a negative pressure is formed in the dust collecting box 9, and the dust collecting hood 5 is used under the action of the negative pressure. And the long pipe 6 sucks the dust into the dust collecting box 9, the use of the particle filter 4 can prevent the crushed concrete blocks from being sucked away when the dust is removed, and the dust filter 19 can be used to prevent the dust in the dust collecting box 9. It is sucked away, which solves the problem that the current concrete crushing device will generate dust during the crushing process, which affects the surrounding environment and the health of workers.

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

Claims (5)

1. A concrete crushing device for quality inspection of construction projects, comprising a crushing box (1), characterized in that: a protective cover (12) is fixedly connected to the middle of the right side of the crushing box (1), and the protective cover (12) ) The front end of the bottom of the inner cavity is fixedly installed with a motor (13) through a fixing block, and the front end of the middle part of the inner cavity of the crushing box (1) is rotatably connected with a first rotating shaft (15) through a bearing. The outer surface is sleeved with a first pulverizing roller (2), the rear end of the inner cavity of the pulverizing box (1) is rotatably connected with a second rotating shaft (17) through a bearing, and the outer surface of the second rotating shaft (17) is sleeved A second crushing roller (16) is provided, and the right ends of the first rotating shaft (15) and the second rotating shaft (17) pass through the right side of the inner cavity of the crushing box (1) and extend to the inner cavity of the protective cover (12) , the right end of the outer surface of the first rotating shaft (15) is sleeved with a driving gear (14), the right end of the first rotating shaft (15) is fixedly connected with the output shaft of the motor (13), the second rotating shaft (17) The right end of the outer surface is sleeved with a driven gear (18), the driven gear (18) is meshed with the driving gear (14), and the upper part of the inner cavity of the crushing box (1) is fixedly connected with a particle filter (18). 4) A dust collecting hood (5) is fixedly installed on the top of the inner cavity of the pulverizing box (1), and a dust collecting box (9) is fixedly connected to the right end of the top of the pulverizing box (1). 9) A long pipe (6) is fixedly connected to the left end of the top, the other end of the long pipe (6) is fixedly connected to the dust collecting hood (5), and a fan ( 8), a suction pipe (7) is fixedly connected to the suction port of the fan (8), and the other end of the suction pipe (7) is fixedly connected to the right end of the top of the dust collecting box (9). 2. A concrete crushing device for quality inspection of construction projects according to claim 1, characterized in that: the right end of the top of the inner cavity of the dust collecting box (9) and the bottom of the suction pipe (7) are fixedly connected with a The dust filter screen (19) is provided with transparent glass on the front surface of the dust collecting box (9). 3. A concrete crushing device for quality inspection of construction projects according to claim 1, characterized in that: the upper part of the left side of the crushing box (1) and the lower part of the particle filter screen (4) are provided with a feeding port (3), the front surface of the crushing box (1) is movably connected with a box door through hinges. 4. A concrete crushing device for quality inspection of construction projects according to claim 1, characterized in that: a PLC controller (11) is fixedly installed on the upper part of the right side of the crushing box (1), and the PLC controller The output end of (11) is electrically connected to the input end of the fan (8) and the motor (13) respectively. 5. A concrete crushing device for quality inspection of construction projects according to claim 1, characterized in that: a dust discharge port (10) is provided in the lower part of the right side of the inner cavity of the dust collecting box (9). A valve is movably installed in the inner cavity of the dust port (10).

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