Road construction joint cutting equipment

Abstract

The utility model relates to the technical field of construction equipment, in particular to road construction joint-cutting equipment which can adjust the joint-cutting depth according to actual conditions, perform dust falling during joint-cutting and avoid dust pollution to the environment during cutting operation. Comprising a U-shaped bottom frame, a lifting plate is installed on the top of the U-shaped bottom frame through a height adjusting assembly, a cutting assembly is installed on the lifting plate, a washing assembly is fixedly connected to the right portion of the top end of the U-shaped bottom frame, the output end of the washing assembly communicates with the cutting assembly, and moving wheels are installed on the front side and the rear side of the left end of the bottom of the U-shaped bottom frame; steering wheels are mounted on the front and rear sides of the right end of the bottom of the U-shaped underframe.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to a highway construction seam cutting device. Background Art

[0002] In road construction, after the cement paving the road surface is dry, it is necessary to perform seam cutting. Due to the principle of thermal expansion and contraction, cement will also expand and contract, which will cause the cement structure to be damaged and affect the life of the road surface. Therefore, expansion joints are needed to ensure the expansion margin of the cement. The seam cutter is a common construction tool in the process of road construction, which is mainly used to cut expansion joints horizontally on the newly paved cement road surface. A seam cutting device for highway engineering proposed by prior art publication number CN210916935U includes a platform, a connecting plate is provided at the lower end of the platform, and a through-hole structure is provided on the connecting plate, a rotating shaft is provided in the through-hole structure on the connecting plate, and a slide groove is provided on the rotating shaft, a protrusion is provided in the slide groove, and a first cutting blade is provided on the protrusion, a side block is provided on one side of the first cutting blade, and a hollow structure is provided on the side block, and a knob is provided in the hollow structure on the side block. However, the structure is simple and the function is single. When cutting the road surface, it can only cut a fixed depth and cannot adjust the cutting depth according to the actual situation. In addition, no dust reduction is performed during cutting, which makes the cutting machine easily cause dust pollution to the environment during operation. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a highway construction slitting equipment which can adjust the slitting depth according to actual conditions, reduce dust during slitting, and avoid dust pollution to the environment during cutting operations.

[0004] The utility model discloses a highway construction seam cutting equipment, comprising a U-shaped chassis, a lifting plate is installed on the top of the U-shaped chassis through a height adjustment component, a cutting component is installed on the lifting plate, a flushing component is fixedly connected to the right portion of the top end of the U-shaped chassis, and an output end of the flushing component is communicated with the cutting component, moving wheels are installed on the front and rear sides of the left end of the bottom of the U-shaped chassis, and steering wheels are installed on the front and rear sides of the right end of the bottom of the U-shaped chassis; the moving wheels and the steering wheels are convenient for driving movement, the steering wheels are convenient for equipment to turn, and flexibility is improved; the height adjustment component can be used to drive the lifting plate to move up and down, thereby driving the cutting component to move, and the seam depth is adjusted according to actual conditions; dust is reduced during seam cutting through the flushing component during cutting, so as to avoid dust pollution to the environment during cutting operation.

[0005] Preferably, the height adjustment assembly includes two groups of support columns, a top plate, a threaded rod, a turning handle and two groups of sliding sleeves, the two groups of support columns are symmetrically installed at the front and rear ends of the left part of the U-shaped base frame, the top of the support column is fixedly connected to the top of the support column, the four corners of the lifting plate are fixedly installed with sliding sleeves, the sliding sleeves are slidably installed on the outer wall of the support column, the threaded rod is rotatably installed on the top left end of the U-shaped base frame, and the lifting plate is screwed on the outer wall of the threaded rod, and the top end of the threaded rod passes through the top end of the top plate and is fixedly installed with a turning handle; the threaded rod is driven to rotate by the turning handle, and the lifting plate can be pushed to slide on the outer wall of the support column, which is convenient for adjusting the cutting depth according to actual conditions, thereby improving practicality.

[0006] Preferably, the cutting assembly includes a mounting frame, a transmission, a transmission wheel, a cutting disc, a cutting motor and a transmission belt. The mounting frame is fixedly connected to the bottom end of the lifting plate, the transmission is fixedly connected to the lower outer wall of the mounting frame, the output end of the transmission is detachably mounted with the cutting disc, the input end of the transmission is connected with the transmission wheel, the cutting motor is fixedly mounted on the top of the lifting plate, a driving groove is provided on the lifting plate, a driving wheel is provided at the output end of the cutting motor, and the driving wheel is connected to the driving wheel through a transmission belt; the cutting motor is started to drive the driving wheel to rotate through the driving wheel and the transmission belt, thereby driving the cutting disc to rotate through the transmission to cut the road surface.

[0007] Preferably, a protective shell is fixedly installed at the front end of the mounting frame, and a front cover plate is installed at the front end of the protective shell through a nut; the cutting disc is protected by the protective shell and the front cover plate to prevent stones splashed during cutting from causing damage to the workers, thereby improving safety.

[0008] Preferably, the flushing assembly includes a water pipe, multiple nozzles, a telescopic water pipe, a water tank and a water pump. The water pipe is fixedly connected to multiple nozzles, and the nozzles are fixedly installed on the right side wall of the protective shell. The input end of the water pipe is connected to the output end of the telescopic water pipe. The water tank is fixedly connected to the top right end of the U-shaped chassis. The water pump is located inside the water tank, and the output end of the water pump is connected to the input end of the telescopic water pipe. Water is added to the water tank to increase the weight of the U-shaped chassis to ensure stability during cutting. During cutting, the water pump is started to input water into the telescopic water pipe, and then into the water pipe, and then sprayed into the protective shell through the nozzle to cool the cutting disc and increase its working life. At the same time, dust is reduced to avoid dust pollution to the environment during cutting operations.

[0009] Preferably, guide blocks are fixedly installed at the front and rear ends of the bottom of the water tank, a guide rod is fixedly connected to the right end of the U-shaped base frame, a pointer is installed at the right end of the guide rod, and the guide rod and the pointer are located in the same straight line as the center of the cutting disk; the water in the water tank is guided by the guide blocks to ensure the suction efficiency of the water pump, and the guide rod and the pointer are used to facilitate the cutting disk to align with the cutting line, so as to quickly cut the road surface and improve convenience during use.

[0010] Preferably, two vertical handles are fixedly connected between the left side wall of the U-shaped base frame and the top plate, two cross bars are fixedly connected between the two vertical handles, sponge covers are mounted on the outer walls of the cross bars, and a pulling frame is fixedly connected to the upper end of the right side wall of the U-shaped base frame, and a connecting seat is installed in the middle of the pulling frame; the cross bars and vertical handles are used to facilitate the movement of the pushing equipment, the sponge covers can improve the comfort during pushing, and the pulling frame and the connecting seat are used to facilitate pulling at the right end of the U-shaped base frame during cutting, thereby improving convenience during construction.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the movable wheels and the steering wheels facilitate movement, the steering wheels facilitate turning of the equipment and improve flexibility, the height adjustment component can drive the lifting plate to move up and down, thereby driving the cutting component to move and adjusting the cutting depth according to actual conditions, and the flushing component can be used to reduce dust during cutting to avoid dust pollution to the environment during the cutting operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a front structural schematic diagram of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a left-side cross-sectional structural schematic diagram of the utility model;

[0017] Figure 6 It is a right side cross-sectional structural schematic diagram of the utility model;

[0018] Markings in the attached figure: 1. U-shaped base frame; 2. lifting plate; 3. moving wheel; 4. steering wheel; 5. support column; 6. top plate; 7. threaded rod; 8. turning handle; 9. sliding sleeve; 10. mounting frame; 11. transmission; 12. transmission wheel; 13. cutting disc; 14. cutting motor; 15. transmission belt; 16. protective shell; 17. front cover; 18. water pipe; 19. nozzle; 20. telescopic water pipe; 21. water tank; 22. water pump; 23. guide block; 24. vertical handle; 25. cross bar; 26. sponge cover; 27. pulling frame; 28. connecting seat; 29. ​​guide rod; 30. pointer. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example 1

[0021] like Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, moving wheels 3 are installed on the front and rear sides of the left end of the bottom of the U-shaped chassis 1, and steering wheels 4 are installed on the front and rear sides of the right end of the bottom of the U-shaped chassis 1. Two groups of support columns 5 are symmetrically installed at the front and rear ends of the left part of the U-shaped chassis 1. The top of the support column 5 is fixedly connected with a top plate 6. Slide sleeves 9 are fixedly installed at the four corners of the lifting plate 2. The slide sleeve 9 is slidably installed on the outer wall of the support column 5. The threaded rod 7 is rotatably installed on the top left end of the U-shaped chassis 1, and the lifting plate 2 is screwed on the outer wall of the threaded rod 7. The top end of the threaded rod 7 passes through the top end of the top plate 6 and is fixedly installed with a turning handle 8. The mounting frame 10 is fixedly connected to the bottom end of the lifting plate 2, and the transmission 11 is fixedly connected to the lower outer wall of the mounting frame 10. The output end of the transmission 11 is detachably installed with a cutting disc 13. The input end of the transmission 11 is connected to a transmission wheel 12, a cutting motor 14 is fixedly mounted on the top of the lifting plate 2, a driving slot is provided on the lifting plate 2, a driving wheel is provided at the output end of the cutting motor 14, and the driving wheel is connected to the transmission wheel 12 through a transmission belt 15, a protective shell 16 is fixedly mounted on the front end of the mounting frame 10, a front cover plate 17 is mounted on the front end of the protective shell 16 through a nut, a plurality of nozzles 19 are fixedly connected to the water pipe 18, the nozzles 19 are fixedly mounted on the right side wall of the protective shell 16, the input end of the water pipe 18 is connected to the output end of the telescopic water pipe 20, a water tank 21 is fixedly connected to the top right end of the U-shaped chassis 1, a water pump 22 is located inside the water tank 21, and the output end of the water pump 22 is connected to the input end of the telescopic water pipe 20;

[0022] The moving wheel 3 and the steering wheel 4 are used to facilitate movement, and the steering wheel 4 is used to facilitate turning of the equipment, thereby improving flexibility. The threaded rod 7 is driven to rotate by the turning handle 8, so as to push the lifting plate 2 to slide on the outer wall of the supporting column 5, so as to facilitate adjustment of the cutting depth according to actual conditions, thereby improving practicality. The cutting motor 14 is started to drive the driving wheel 12 to rotate through the driving wheel and the transmission belt 15, thereby driving the cutting disc 13 to rotate through the transmission 11 to cut the road surface. The cutting disc 13 is protected by the protective shell 16 and the front cover plate 17 to avoid injuries to the staff caused by stones splashed during cutting, thereby improving safety. Water is added to the water tank 21 to increase the weight of the U-shaped chassis 1 to ensure stability during cutting. During cutting, the water pump 22 is started to input water into the telescopic water pipe 20, and then into the water pipe 18, and then sprayed into the protective shell 16 through the nozzle 19, so as to cool the cutting disc 13 and improve the working life. At the same time, dust is reduced to avoid dust pollution to the environment during the cutting operation.

[0023] Example 2

[0024] like Figure 2 , Figure 4 and Figure 6 As shown, on the basis of Example 1, guide blocks 23 are fixedly installed at the front and rear ends of the bottom of the water tank 21, a guide rod 29 is fixedly connected to the right end of the U-shaped chassis 1, a pointer 30 is installed at the right end of the guide rod 29, and the guide rod 29 and the pointer 30 are located in the same straight line as the center of the cutting disk 13, two vertical handles 24 are fixedly connected between the left side wall of the U-shaped chassis 1 and the top plate 6, two cross bars 25 are fixedly connected between the two vertical handles 24, a sponge cover 26 is sleeved on the outer wall of the cross bar 25, a pulling frame 27 is fixedly connected to the upper end of the right side wall of the U-shaped chassis 1, and a connecting seat 28 is installed in the middle of the pulling frame 27;

[0025] The water in the water tank 21 is guided by the guide block 23 to ensure the suction efficiency of the water pump 22. The guide rod 29 and the pointer 30 facilitate the cutting disc 13 to be aligned with the cutting line, and the road surface is quickly cut to improve convenience during use. The cross bar 25 and the vertical handle 24 facilitate the movement of the equipment, and the sponge cover 26 can improve the comfort during pushing. The pulling frame 27 and the connecting seat 28 facilitate pulling at the right end of the U-shaped chassis 1 during cutting, thereby improving convenience during construction.

[0026] like Figures 1 to 6As shown, the utility model is a highway construction seam cutting device. When working, the cross bar 25 and the vertical handle 24 facilitate the movement of the device, and the moving wheel 3 and the steering wheel 4 drive the device to move. The cutting disc 13 is aligned with the cutting line through the guide rod 29 and the pointer 30. The threaded rod 7 is driven to rotate by the handle 8, and the lifting plate 2 can be pushed to slide on the outer wall of the support column 5. The seam depth is adjusted according to actual conditions. The cutting disc 13 is protected by the protective shell 16 and the front cover 17 to prevent stones splashed during cutting from hitting the cutting disc 13. In order to prevent the staff from being injured, water is added to the water tank 21 to increase the weight of the U-shaped chassis 1 to ensure stability during cutting. The pulling frame 27 and the connecting seat 28 are pulled at the right end of the U-shaped chassis 1 during cutting. During cutting, the water pump 22 is started to input water into the telescopic water pipe 20, and then into the water pipe 18, and is sprayed into the protective shell 16 through the nozzle 19 to cool the cutting disc 13 and reduce dust at the same time. The water in the water tank 21 is guided by the guide block 23 to ensure the suction efficiency of the water pump 22.

[0027] The transmission 11, cutting motor 14 and water pump 22 of the highway construction cutting equipment of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A highway construction seam cutting device, characterized in that: The invention comprises a U-shaped chassis (1), a lifting plate (2) being installed on the top of the U-shaped chassis (1) via a height adjustment assembly, a cutting assembly being installed on the lifting plate (2), a flushing assembly being fixedly connected to the right portion of the top end of the U-shaped chassis (1), and an output end of the flushing assembly being connected to the cutting assembly, moving wheels (3) being installed on both front and rear sides of the left end of the bottom of the U-shaped chassis (1), and steering wheels (4) being installed on both front and rear sides of the right end of the bottom of the U-shaped chassis (1).

2. A highway construction seam cutting device as claimed in claim 1, characterized in that: The height adjustment assembly comprises two groups of support columns (5), a top plate (6), a threaded rod (7), a rotating handle (8) and two groups of sliding sleeves (9). The two groups of support columns (5) are symmetrically mounted at the front and rear ends of the left part of the U-shaped base frame (1). The top of the support column (5) is fixedly connected to the top plate (6). The four corners of the lifting plate (2) are fixedly mounted with sliding sleeves (9). The sliding sleeves (9) are slidably mounted on the outer wall of the support column (5). The threaded rod (7) is rotatably mounted on the top left end of the U-shaped base frame (1). The lifting plate (2) is screwed on the outer wall of the threaded rod (7). The top end of the threaded rod (7) passes through the top end of the top plate (6) and is fixedly mounted with the rotating handle (8).

3. A highway construction seam cutting device as claimed in claim 1, characterized in that: The cutting assembly comprises a mounting frame (10), a transmission (11), a transmission wheel (12), a cutting disc (13), a cutting motor (14) and a transmission belt (15); the mounting frame (10) is fixedly connected to the bottom end of the lifting plate (2); the transmission (11) is fixedly connected to the lower outer wall of the mounting frame (10); the cutting disc (13) is detachably mounted on the output end of the transmission (11); the transmission wheel (12) is connected to the input end of the transmission (11); the cutting motor (14) is fixedly mounted on the top end of the lifting plate (2); a driving slot is provided on the lifting plate (2); a driving wheel is provided at the output end of the cutting motor (14); and the driving wheel is transmission-connected to the driving wheel (12) via a transmission belt (15).

4. A highway construction seam cutting device as claimed in claim 3, characterized in that: A protective shell (16) is fixedly mounted on the front end of the mounting frame (10), and a front cover plate (17) is mounted on the front end of the protective shell (16) via a nut.

5. A highway construction seam cutting device as claimed in claim 4, characterized in that: The flushing assembly comprises a water pipe (18), a plurality of nozzles (19), a telescopic water pipe (20), a water tank (21) and a water pump (22); the water pipe (18) is fixedly connected to the plurality of nozzles (19); the nozzles (19) are fixedly mounted on the right side wall of the protective shell (16); the input end of the water pipe (18) is connected to the output end of the telescopic water pipe (20); the water tank (21) is fixedly connected to the top right end of the U-shaped base frame (1); the water pump (22) is located inside the water tank (21); and the output end of the water pump (22) is connected to the input end of the telescopic water pipe (20).

6. A highway construction seam cutting device as claimed in claim 5, characterized in that: Guide blocks (23) are fixedly mounted at the front and rear ends of the bottom of the water tank (21); a guide rod (29) is fixedly connected to the right end of the U-shaped base frame (1); a pointer (30) is mounted on the right end of the guide rod (29); and the guide rod (29) and the pointer (30) are located in the same straight line as the center of the cutting disc (13).

7. A highway construction seam cutting device as claimed in claim 2, characterized in that: Two vertical handles (24) are fixedly connected between the left side wall of the U-shaped base frame (1) and the top plate (6), two cross bars (25) are fixedly connected between the two vertical handles (24), and a sponge sleeve (26) is sleeved on the outer wall of the cross bar (25). A pulling frame (27) is fixedly connected to the upper end of the right side wall of the U-shaped base frame (1), and a connecting seat (28) is installed in the middle of the pulling frame (27).

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