Concrete crushing device for road and bridge construction

Abstract

The utility model relates to the technical field of road and bridge construction, and discloses a concrete crushing device for road and bridge construction, which comprises a crushing box, a supporting plate is fixedly connected to the front surface of the crushing box, a feeding mechanism is arranged on the outer side of the supporting plate, a dust collection mechanism is arranged above the supporting plate, and the feeding mechanism comprises two fixing columns. The outer surface of each fixing column is fixedly connected with the inner wall of the crushing box, the inner walls of the two fixing columns are jointly and rotationally connected with two rotating shafts, and the outer surfaces of the two rotating shafts are jointly and rotationally connected with a conveying belt. According to the concrete crushing device for road and bridge construction, under the action of rotation of a first rotating motor, one rotating shaft can be driven to rotate, and under the action of rotation of one rotating shaft, a conveying belt and the other rotating shaft are driven to rotate, so that concrete on the surface of the conveying belt can be conveyed into a crushing box to be crushed; and the situation that dust and powder are inhaled into the body of a worker during manual feeding is effectively reduced.

Description

Technical Field

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

[0002] Road and bridge construction refers to the construction of roads and bridges in accordance with design requirements, under various terrain and geological conditions, using appropriate construction technologies and methods. Road and bridge construction is an important part of transportation infrastructure construction and is of great significance to promoting regional and national economic and social development.

[0003] The utility model with the existing authorization announcement number CN220443914U discloses a concrete crushing mechanism for road and bridge construction, including a base plate, a crushing box is fixedly installed on the upper end of the base plate, a fixed seat is fixedly welded to the front end of the crushing box, a crushing mechanism is arranged in the crushing box, and an aggregate box is slidably installed on the upper end of the base plate. The aggregate box is located at the lower end of the crushing box and communicates with the interior of the crushing box.

[0004] By adopting the above technical scheme, the No. 1 crushing device and the No. 2 crushing device are connected by a conveyor belt, and the concrete can be crushed in two stages under the drive of one motor. The transmission is stable, the structure is compact, the crushing efficiency is improved, and it is avoided to arrange multiple crushing devices, which reduces the floor space and the use cost. The use effect is good. However, when the above technical scheme is used to crush concrete, a large amount of dust will be generated when the concrete is crushed. The dust contains a large amount of concrete powder. If the staff accidentally inhales it into the body, it is easy to cause influence on the staff's body. However, the staff needs to walk around the crushing device to load the material, which makes it inevitable for the staff to inhale the dust into the body, which leads to the problem of poor practicality.

[0005] Therefore, those skilled in the art provide a concrete crushing device for road and bridge construction to solve the problems raised in the above background technology. Utility Model Content

[0006] The purpose of the utility model is to provide a concrete crushing device for road and bridge construction to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A concrete crushing device for road and bridge construction comprises a crushing box, a support plate is fixedly connected to the front of the crushing box, a feeding mechanism is arranged on the outer side of the support plate, and a dust collecting mechanism is arranged above the support plate;

[0009] The feeding mechanism includes two fixed columns, the outer surfaces of each of the fixed columns are fixedly connected to the inner wall of the crushing box, two rotating shafts are rotatably connected to the inner walls of the two fixed columns in common, a conveyor belt is rotatably connected to the outer surfaces of the two rotating shafts in common, a first rotating motor is fixedly connected to the front surface of one of the fixed columns, and the output end of the power of the first rotating motor is fixedly connected to the front surface of one of the rotating shafts. The dust suction mechanism includes a collection box, the left side surface of the collection box is fixedly connected to the right side surface of the crushing box, a dust-proof cover is fixedly connected to the inner top wall of the collection box, an air extraction pump is fixedly connected to the upper surface of the collection box, the input end of the power of the air extraction pump penetrates through the collection box and extends to the inside of the collection box, a dust suction pipe is fixedly communicated with the right side surface of the collection box, the end of the dust suction pipe away from the collection box penetrates through the crushing box and extends to the inside of the crushing box, a suction hood is fixedly communicated with the end of the dust suction pipe away from the collection box, and a protective plate is fixedly connected to the inner wall of the crushing box.

[0010] As a further scheme of the present utility model: the bottom surface of each of the fixed columns is fixedly connected with a first support leg, and the bottom surface of each of the first support legs is fixedly connected with a first base.

[0011] As a further scheme of the present utility model: two second support legs are fixedly connected to the front surface and the back surface of the crushing box respectively, and the bottom surface of each of the second support legs is fixedly connected with a second base.

[0012] As a further scheme of the present utility model: a sealing cover is movably hinged to the inner wall of the collection box, and a handle is fixedly connected to the front surface of the sealing cover.

[0013] As a further scheme of the present utility model: a reinforcement block is fixedly connected to the outer surface of the dust suction pipe, and the bottom surface of the reinforcement block is fixedly connected to the upper surface of the crushing box.

[0014] As a further scheme of the present utility model: two crushing shafts are rotatably connected to the inner wall of the crushing box, a second rotating motor is fixedly connected to the front surface of one of the crushing shafts, and the bottom surface of the second rotating motor is fixedly connected to the upper surface of the support plate.

[0015] As a further scheme of the present utility model: a driving gear is fixedly connected to the outer surface of one of the crushing shafts, a driven gear is fixedly connected to the outer surface of the other crushing shaft, and the outer surface of the driving gear is meshed with the outer surface of the driven gear.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] The utility model is provided with a first rotating motor, a fixed column, a rotating shaft and a conveyor belt, which can provide the power required for feeding under the action of the first rotating motor. When the first rotating motor rotates, it can drive one of the rotating shafts to rotate. Under the action of the rotation of one rotating shaft, the conveyor belt and the other rotating shaft will be driven to rotate, so that the concrete on the surface of the conveyor belt can be conveyed into the crushing box for crushing, effectively reducing the situation that dust and powder are inhaled into the body by workers during manual feeding. By setting an air extraction pump, a collection box, a dust suction pipe, a dust-proof cover, an air suction cover and a protection plate, under the action of the air extraction pump, suction can be generated after it is started. The air extraction pump can transmit the suction to the dust suction pipe through the collection box, and under the action of the dust suction pipe, the suction is transmitted to the air suction cover, so that the dust generated by crushing the concrete in the crushing box can be quickly sucked into the collection box for collection, effectively preventing a large amount of dust generated during concrete crushing from affecting the health of workers. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of a concrete crushing device for road and bridge construction;

[0019] Figure 2 It is a three-dimensional structural diagram of the crushing box in a concrete crushing device for road and bridge construction;

[0020] Figure 3 It is a three-dimensional structural diagram of the right-side sectional view of the collection box in a concrete crushing device for road and bridge construction;

[0021] Figure 4 It is a three-dimensional structural diagram of the sectional view of the crushing box in a concrete crushing device for road and bridge construction.

[0022] In the figure: 1. Crushing box; 2. Support plate; 3. Feeding mechanism; 301. Fixed column; 302. Rotating shaft; 303. Conveyor belt; 304. First rotating motor; 4. Dust suction mechanism; 401. Collection box; 402. Dust suction pipe; 403. Air extraction pump; 404. Dust-proof cover; 405. Air suction cover; 406. Protection plate; 5. First support leg; 6. First base; 7. Second support leg; 8. Second base; 9. Reinforcement block; 10. Handle; 11. Sealing cover; 12. Second rotating motor; 13. Crushing shaft; 14. Driving gear; 15. Driven gear. Detailed Implementation Modes

[0023] Please refer to Figures 1-4 , a concrete crushing device for road and bridge construction, including a crushing box 1, a support plate 2 fixedly connected to the front of the crushing box 1, a feeding mechanism 3 arranged outside the support plate 2, and a dust suction mechanism 4 arranged above the support plate 2;

[0024] The feeding mechanism 3 includes two fixed columns 301. The outer surface of each fixed column 301 is fixedly connected to the inner wall of the crushing box 1. The bottom surface of each fixed column 301 is fixedly connected to a first support leg 5, and the bottom surface of each first support leg 5 is fixedly connected to a first base 6. By setting the first support legs 5 and the first bases 6, a good supporting effect can be achieved for the fixed columns 301, enabling them to work stably.

[0025] Two rotating shafts 302 are rotatably connected to the inner walls of the two fixed columns 301 together. A conveyor belt 303 is rotatably connected to the outer surfaces of the two rotating shafts 302 together. Two second support legs 7 are fixedly connected to the front and back surfaces of the crushing box 1 respectively. The bottom surface of each second support leg 7 is fixedly connected to a second base 8. By setting the second support legs 7 and the second bases 8, a good supporting effect can be achieved for the crushing box 1, preventing it from shifting in position during use.

[0026] A first rotating motor 304 is fixedly connected to the front surface of one of the fixed columns 301. The output end of the power of the first rotating motor 304 is fixedly connected to the front surface of one of the rotating shafts 302. The dust collection mechanism 4 includes a collection box 401. A sealing cover 11 is movably hinged to the inner wall of the collection box 401. A handle 10 is fixedly connected to the front surface of the sealing cover 11. By setting the sealing cover 11 and the handle 10, it is convenient for the staff to open the collection box 401, so as to dispose of the dust and impurities inside.

[0027] The left side surface of the collection box 401 is fixedly connected to the right side surface of the crushing box 1. A dust-proof cover 404 is fixedly connected to the inner top wall of the collection box 401. An air extraction pump 403 is fixedly connected to the upper surface of the collection box 401. The input end of the power of the air extraction pump 403 penetrates through the collection box 401 and extends into the interior of the collection box 401. A dust suction pipe 402 is fixedly communicated with the right side surface of the collection box 401. A reinforcement block 9 is fixedly connected to the outer surface of the dust suction pipe 402. The bottom surface of the reinforcement block 9 is fixedly connected to the upper surface of the crushing box 1. By setting the reinforcement block 9, the connection effect between the dust suction pipe 402 and the crushing box 1 can be further enhanced, preventing the dust suction pipe 402 from falling off during use.

[0028] One end of the dust suction pipe 402 away from the collection box 401 penetrates through the crushing box 1 and extends into the interior of the crushing box 1. Two crushing shafts 13 are rotatably connected to the inner wall of the crushing box 1. A second rotating motor 12 is fixedly connected to the front surface of one of the crushing shafts 13. The bottom surface of the second rotating motor 12 is fixedly connected to the upper surface of the support plate 2. By setting the second rotating motor 12 and the crushing shafts 13, under the action of the power of the second rotating motor 12, the crushing shafts 13 can quickly drive to crush the concrete.

[0029] One end of the dust suction pipe 402 away from the collection box 401 is fixedly connected and communicated with a suction hood 405. A protective plate 406 is fixedly connected to the inner wall of the crushing box 1. An active gear 14 is fixedly connected to the outer surface of one of the crushing shafts 13, and a driven gear 15 is fixedly connected to the outer surface of the other crushing shaft 13. The outer surface of the active gear 14 meshes with the outer surface of the driven gear 15. By providing the active gear 14 and the driven gear 15, when the active gear 14 rotates, it can drive the driven gear 15 and the crushing shaft 13 to rotate, thus facilitating the crushing work.

[0030] The working principle of the present utility model is as follows: During use, first, the staff transports the device to a suitable working position, and then connects the power supplies of the first rotating motor 304, the air extraction pump 403, and the second rotating motor 12 to make them in a stable power-on state to avoid power failure during use. When the staff needs to use the device to crush concrete, first, the first rotating motor 304 is started. After the first rotating motor 304 starts, it generates power and rotates. The rotation of the first rotating motor 304 can drive one of the rotating shafts 302 to rotate. Under the action of the rotation of one rotating shaft 302, the driving conveyor belt 303 and the other rotating shaft 302 are driven to rotate, so that the concrete on the surface of the conveyor belt can be conveyed into the crushing box 1 for crushing, effectively reducing the situation that the staff inhales dust and powder into the body during manual feeding. At the same time, the air extraction pump 403 and the second rotating motor 12 are started. After the air extraction pump 403 starts, it generates suction. The air extraction pump 403 can transmit the suction to the dust suction pipe 402 through the collection box 401, and under the action of the dust suction pipe 402, the suction is transmitted to the suction hood 405, so that the dust generated by crushing concrete in the crushing box 1 can be quickly sucked into the collection box 401 for collection, avoiding the staff inhaling the dust generated by crushing. At the same time, the protective plate 406 can prevent the suction hood 405 from being affected when crushing concrete. After the second rotating motor 12 starts to rotate, the rotation of the second rotating motor 12 can drive one of the crushing shafts 13 and the active gear 14 to rotate. The rotation of the active gear 14 can drive the driven gear 15 and the other crushing shaft 13 to rotate, so that the concrete can be quickly crushed.

[0031] The above is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A concrete crushing device for road and bridge construction, comprising a crushing box (1), characterized in that: A support plate (2) is fixedly connected to the front of the crushing box (1), a feeding mechanism (3) is arranged on the outer side of the support plate (2), and a dust collection mechanism (4) is arranged above the support plate (2); The feeding mechanism (3) comprises two fixed columns (301), the outer surface of each of the fixed columns (301) is fixedly connected to the inner wall of the crushing box (1), the inner walls of the two fixed columns (301) are rotatably connected to two rotating shafts (302), the outer surfaces of the two rotating shafts (302) are rotatably connected to a conveyor belt (303), the front side of one of the fixed columns (301) is fixedly connected to a first rotating motor (304), the output end of the power of the first rotating motor (304) is fixedly connected to the front side of one of the rotating shafts (302), and the dust collection mechanism (4) comprises a collection box (401), the left side of the collection box (401) is connected to the right side of the crushing box (1) The collecting box (401) is fixedly connected to a dust cover (404) on its inner top wall, and an air pump (403) is fixedly connected to the upper surface of the collecting box (401). The power input end of the air pump (403) passes through the collecting box (401) and extends to the interior of the collecting box (401). The right side of the collecting box (401) is fixedly connected to a dust suction pipe (402). The end of the dust suction pipe (402) away from the collecting box (401) passes through the crushing box (1) and extends to the interior of the crushing box (1). The end of the dust suction pipe (402) away from the collecting box (401) is fixedly connected to an air suction cover (405). The inner wall of the crushing box (1) is fixedly connected to a protective plate (406).

2. A concrete crushing device for road and bridge construction according to claim 1, characterized in that: The bottom surface of each of the fixing columns (301) is fixedly connected to a first supporting leg (5), and the bottom surface of each of the first supporting legs (5) is fixedly connected to a first base (6).

3. The concrete crushing device for road and bridge construction according to claim 1 is characterized in that: The front and back sides of the crushing box (1) are fixedly connected to two second supporting legs (7), and the bottom surface of each second supporting leg (7) is fixedly connected to a second base (8).

4. The concrete crushing device for road and bridge construction according to claim 1 is characterized in that: A sealing cover (11) is movably hinged on the inner wall of the collection box (401), and a handle (10) is fixedly connected to the front of the sealing cover (11).

5. The concrete crushing device for road and bridge construction according to claim 1, characterized in that: A reinforcing block (9) is fixedly connected to the outer surface of the dust suction pipe (402), and the bottom surface of the reinforcing block (9) is fixedly connected to the upper surface of the crushing box (1).

6. The concrete crushing device for road and bridge construction according to claim 1 is characterized in that: The inner wall of the crushing box (1) is rotatably connected to two crushing shafts (13), the front surface of one of the crushing shafts (13) is fixedly connected to a second rotating motor (12), and the bottom surface of the second rotating motor (12) is fixedly connected to the upper surface of the support plate (2).

7. A concrete crushing device for road and bridge construction according to claim 6, characterized in that: A driving gear (14) is fixedly connected to the outer surface of one of the crushing shafts (13), and a driven gear (15) is fixedly connected to the outer surface of the other crushing shaft (13), and the outer surface of the driving gear (14) is meshed with the outer surface of the driven gear (15).

Images