Joint cutting device for road and bridge construction

Abstract

The joint cutting device for road and bridge construction comprises a three-wheel trolley and a connecting frame hinged to the front end of the three-wheel trolley, a protective cover is connected to the end, away from the three-wheel trolley, of the connecting frame, and a cutting wheel is rotationally connected into the protective cover through a rotating shaft; the cutting wheels are controlled and driven through a driving assembly and an energy supply assembly which are installed on the three-wheel cart, and a cleaning assembly is arranged behind the protective cover. A sprayer is connected to the top end in the protective cover and supplies water through a water supply assembly installed on one side of the dust collecting box, a swing arm is connected to one side of the protective cover, the other end of the swing arm is hinged to the dust collecting box, and the swing arm is controlled to ascend and descend through an oil cylinder connected to the side wall of the dust collecting box. According to the cutting device, flying of dust can be reduced while the cutting wheel is cooled through the spray head, the flying dust is collected through the rear collecting shovel, a mud-water mixture on the bottom face is collected, the flying dust is reduced, the environment is protected, and the body health of workers is protected.

Description

Technical Field

[0001] The invention relates to the technical field of slot cutting equipment, and in particular to a slot cutting device for road and bridge construction. Background Art

[0002] Road and bridge engineering is an important national infrastructure project, mainly composed of several parts such as pavement, bridges, tunnels and transportation. During the hardening process of cement concrete, the bridge deck or pavement is easily affected by seasonal temperature, such as thermal expansion in summer and shrinkage and cracking in winter, which leads to irregular transverse false joints on the bridge deck or pavement that do not penetrate the road slab, so the bridge deck or pavement needs to be cut.

[0003] However, the existing slitting devices often generate a lot of dust during slitting, which seriously affects the vision of the workers, causes problems such as cutting tilt, and seriously affects the health of the workers. Summary of the invention

[0004] The purpose of the present invention is to provide a cutting device for road and bridge construction to solve the above-mentioned problems.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The present invention provides a seam cutting device for road and bridge construction, comprising a three-wheeled cart and a connecting frame hinged at the front end of the three-wheeled cart, a protective cover is connected to the end of the connecting frame away from the three-wheeled cart, a cutting wheel is rotatably connected to the protective cover through a rotating shaft, the cutting wheel is controlled and driven by a driving assembly and an energy supply assembly installed on the three-wheeled cart, a cleaning assembly is provided at the rear of the protective cover, the cleaning assembly comprises a dust collecting box fixed on the three-wheeled cart and a collecting shovel connected to one side of the connecting frame, the tail of the collecting shovel is connected to the dust collecting box through a connecting pipe 1, the dust collecting box is connected to a cyclone dust collector through a connecting pipe 2, the cyclone dust collector is installed on the three-wheeled cart, and the cyclone dust collector is controlled and driven by the energy supply assembly; a nozzle is connected to the top end of the inner part of the protective cover, the nozzle is supplied with water through a water supply assembly installed on one side of the dust collecting box, a swing arm is connected to one side of the protective cover, the other end of the swing arm is hinged on the dust collecting box, and the swing arm is controlled to rise and fall by a cylinder connected to the side wall of the dust collecting box.

[0007] Furthermore, the diameter of the front wheels of the three-wheeled cart is greater than the diameter of the rear wheels.

[0008] Furthermore, both ends of the bottom of the protective cover are connected with inclined baffles.

[0009] Furthermore, the energy supply component includes a gasoline engine, which is installed on the top of the dust box, and the output end of the gasoline engine is connected to the cyclone dust collector and the driving component through a belt assembly.

[0010] Furthermore, the belt assembly includes a double pulley installed on the output end of the gasoline engine and a single pulley respectively connected to the cyclone dust collector fan shaft and the drive assembly, and the double pulley and the two single pulleys are connected by a belt.

[0011] Furthermore, the driving assembly includes a reducer installed on the three-wheeled cart, the single pulley is installed on the input shaft of the reducer, the output shaft of the reducer and the rotating shaft are connected through a sprocket and a chain, a chain guard plate is provided on the outer side of the chain, and the chain guard plate is fixed on the protective cover.

[0012] Furthermore, the water supply assembly includes a water tank installed on one side of the dust box, the water tank is connected to a pump, the water outlet of the pump is connected to a water supply pipe, and the water supply pipe is connected to the nozzle through a hose.

[0013] Furthermore, the oil cylinder is controlled by a hydraulic pump installed on the three-wheeled cart, the end of the oil cylinder is hinged on the side wall of the dust box, and the piston end of the oil cylinder is hinged on the swing arm.

[0014] Furthermore, the swing arm is connected to the protective cover via a linkage rod.

[0015] Furthermore, a fixing rod is connected to the top of the collecting shovel, and the fixing rod is inserted into a through hole provided on the mounting block and fixed by a top screw, and the mounting block is fixed on the connecting frame.

[0016] Compared with the prior art, the beneficial technical effects of the present invention are:

[0017] The present invention can reduce the flying of dust while cooling the cutting wheel through the nozzle, collect the floating fly ash through the collection shovel at the rear, and collect the mud-water mixture on the bottom surface, thereby reducing flying dust, protecting the environment, and protecting the health of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] Figure 1 A three-dimensional diagram of a slitting device for road and bridge construction according to the present invention;

[0020] Figure 2 This is a front view of the slitting device for road and bridge construction of the present invention;

[0021] Figure 3It is a side view of the cutting device for road and bridge construction of the present invention;

[0022] Figure 4 It is a schematic diagram of the drive component structure;

[0023] Figure 5 A top view of the drive assembly;

[0024] Figure 6 This is a schematic diagram of a collecting shovel;

[0025] Explanation of the reference numerals: 1. three-wheeled cart; 2. connecting frame; 3. protective cover; 4. cutting wheel; 5. dust box; 6. collecting shovel; 7. connecting pipe one; 8. connecting pipe two; 9. cyclone dust collector; 10. swing arm; 11. oil cylinder; 12. inclined baffle; 13. gasoline engine; 14. reducer; 15. water tank; 16. pump; 17. water supply pipe; 18. hose; 19. linkage rod; 20. fixing rod; 21. mounting block; 22. top screw. DETAILED DESCRIPTION

[0026] like Figure 1-6 As shown, a seam cutting device for road and bridge construction includes a three-wheeled cart 1 and a connecting frame 2 hinged to the front end of the three-wheeled cart 1. The diameter of the front wheel of the three-wheeled cart 1 is larger than the diameter of the rear wheel, so that the staff can apply downward force to the three-wheeled cart 1 so that the cutting end can be headed downward, which is more convenient for cutting.

[0027] A protective cover 3 is connected to one end of the connecting frame 2 away from the three-wheeled cart 1 , and both ends of the bottom of the protective cover 3 are connected to inclined baffles 12 .

[0028] A cutting wheel 4 is rotatably connected to the protective cover 3 via a rotating shaft, and the cutting wheel 4 is driven and controlled by a driving assembly and an energy supply assembly installed on the three-wheeled cart 1 .

[0029] A cleaning assembly is provided at the rear of the protective cover 3, and the cleaning assembly includes a dust box 5 fixed on the three-wheeled cart 1 and a collecting shovel 6 connected to one side of the connecting frame 2. A fixing rod 20 is connected to the top of the collecting shovel 6. The fixing rod 20 is inserted into a through hole provided on the mounting block 21 and fixed by a top screw 22. The mounting block 21 is fixed on the connecting frame 2, and the height of the collecting shovel 6 can be adjusted according to actual needs. The tail of the collecting shovel 6 is connected to the dust box 5 through a connecting pipe 1 7, and the dust box 5 is connected to a cyclone dust collector 9 through a connecting pipe 2 8. The cyclone dust collector 9 is installed on the three-wheeled cart 1, and the cyclone dust collector 9 is controlled and driven by the energy supply assembly.

[0030] The energy supply assembly includes a gasoline engine 13, which is installed on the top of the dust box 5. The output end of the gasoline engine 13 is connected to the cyclone dust collector 9 and the driving assembly through a belt assembly.

[0031] The belt assembly includes a double pulley installed on the output end of the gasoline engine 13 and a single pulley respectively connected to the fan shaft and the driving assembly of the cyclone dust collector 9, and the double pulley and the two single pulleys are connected by a belt.

[0032] The driving assembly includes a reducer 14 installed on the three-wheeled cart 1, the single pulley is installed on the input shaft of the reducer 14, the output shaft and the rotating shaft of the reducer 14 are connected through a sprocket and a chain, a chain guard plate is provided on the outer side of the chain, and the chain guard plate is fixed on the protective cover 3.

[0033] A nozzle is connected to the inner top of the protective cover 3, and the nozzle is supplied with water through a water supply assembly installed on one side of the dust box 5. The water supply assembly includes a water tank 15 installed on one side of the dust box 5. A pump 16 is connected to the water tank 15. The water outlet of the pump 16 is connected to a water supply pipe 17, and the water supply pipe 17 is connected to the nozzle through a hose 18.

[0034] One side of the protective cover 3 is connected to a swing arm 10 through a linkage rod 19, and the other end of the swing arm 10 is hinged on the dust box 5. The swing arm 10 is controlled to rise and fall by an oil cylinder 11 connected to the side wall of the dust box 5. The oil cylinder 11 is controlled by a hydraulic pump installed on the three-wheeled cart 1, and the end of the oil cylinder 11 is hinged on the side wall of the dust box 5, and the piston end of the oil cylinder 11 is hinged on the swing arm 11.

[0035] The action process of the present invention is as follows:

[0036] When in use, the gasoline engine 13 is turned on to drive the cyclone dust collector 9 and the cutting wheel 4 to work, and the pump 16 is turned on at the same time, so that the nozzle sprays water to cool the cutting wheel 4. The staff applies force to the three-wheeled cart 1 to make it move, and at the same time the oil cylinder 11 presses down the other end of the swing arm 10 to descend, thereby driving the cutting wheel 4 to descend to cut the road surface.

[0037] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A cutting device for road and bridge construction, characterized in that: The invention comprises a three-wheeled cart (1) and a connecting frame (2) hingedly connected to the front end of the three-wheeled cart (1); a protective cover (3) is connected to one end of the connecting frame (2) away from the three-wheeled cart (1); a cutting wheel (4) is rotatably connected to the inside of the protective cover (3) via a rotating shaft; the cutting wheel (4) is driven and controlled by a driving assembly and an energy supply assembly installed on the three-wheeled cart (1); a cleaning assembly is provided at the rear of the protective cover (3); the cleaning assembly comprises a dust collecting box (5) fixed on the three-wheeled cart (1) and a collecting shovel (6) connected to one side of the connecting frame (2); the tail of the collecting shovel (6) is connected to the dust collecting box (5) via a connecting pipe (7) and a connecting pipe (8). The dust collecting box (5) is connected to the dust collecting box (5), the dust collecting box (5) is connected to the cyclone dust collector (9) through the connecting pipe 2 (8), the cyclone dust collector (9) is installed on the three-wheeled cart (1), and the cyclone dust collector (9) is controlled and driven by the energy supply component; the inner top of the protective cover (3) is connected to a nozzle, and the nozzle is supplied with water through a water supply component installed on one side of the dust collecting box (5); one side of the protective cover (3) is connected to a swing arm (10), the other end of the swing arm (10) is hinged on the dust collecting box (5), and the swing arm (10) is controlled to rise and fall by a cylinder (11) connected to the side wall of the dust collecting box (5).

2. The road and bridge construction cutting device according to claim 1, characterized in that: The diameter of the front wheels of the three-wheeled cart (1) is greater than the diameter of the rear wheels.

3. The cutting device for road and bridge construction according to claim 1, characterized in that: Both ends of the bottom of the protective cover (3) are connected with inclined baffles (12).

4. The cutting device for road and bridge construction according to claim 1, characterized in that: The energy supply component comprises a gasoline engine (13), the gasoline engine (13) is installed on the top of the dust collecting box (5), and the output end of the gasoline engine (13) is connected to the cyclone dust collector (9) and the driving component through a belt component.

5. The cutting device for road and bridge construction according to claim 4 is characterized in that: The belt assembly comprises a double pulley mounted on the output end of the gasoline engine (13) and a single pulley respectively connected to the fan shaft of the cyclone dust collector (9) and the driving assembly, and the double pulley and the two single pulleys are connected via a belt.

6. The cutting device for road and bridge construction according to claim 5, characterized in that: The driving assembly comprises a reducer (14) mounted on the three-wheeled cart (1), the single pulley being mounted on the input shaft of the reducer (14), the output shaft of the reducer (14) being connected to the rotating shaft via a sprocket and a chain, a chain guard plate being provided on the outer side of the chain, and the chain guard plate being fixed on the protective cover (3).

7. The cutting device for road and bridge construction according to claim 1, characterized in that: The water supply assembly comprises a water tank (15) installed on one side of the dust collecting box (5); the water tank (15) is connected to a pump (16); the water outlet of the pump (16) is connected to a water supply pipe (17); and the water supply pipe (17) is connected to the nozzle via a hose (18).

8. The road and bridge construction cutting device according to claim 1, characterized in that: The oil cylinder (11) is controlled by a hydraulic pump installed on the three-wheeled cart (1), the end of the oil cylinder (11) is hinged on the side wall of the dust box (5), and the piston end of the oil cylinder (11) is hinged on the swing arm (11).

9. The road and bridge construction cutting device according to claim 1, characterized in that: The swing arm (11) is connected to the protective cover (3) via a linkage rod (19).

10. The cutting device for road and bridge construction according to claim 1, characterized in that: The top of the collecting shovel (6) is connected to a fixing rod (20), the fixing rod (20) is inserted into a through hole provided on a mounting block (21) and fixed by a top screw (22), and the mounting block (21) is fixed on the connecting frame (2).

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