Slit device with dust removal function

Abstract

The application discloses a slitting device with dust removal function, which comprises a machine body, a water spraying module, a slitting module and a dust removal module. The machine body is divided into upper and lower shells, and four guide wheels are arranged under the shells. The water spraying module is arranged at the front end of the machine body, a water tank is connected with a water guide pipe through a water pump, the slitting module is connected with a spring suspension at the middle part of the machine body, an oil return system is fixed on the outer wall of the suspension through a platform, an oil pump is connected with an oil tank and a reversing valve, the reversing valve is arranged at the bottom of the platform, the reversing valve is connected with an oil return cylinder and fixed on the side of the platform, the oil return cylinder is connected with the spring suspension, the two oil return cylinders of the oil return system are connected with each other, the oil return cylinder is connected with a clutch, the clutch is connected with an input and output shaft, centrifugal blocks are arranged on the output shaft, the input and output shafts are connected through bevel gears, and a belt drive is arranged between the engine and the bevel gears. The dust removal module is arranged at the end of the machine body, the engine is connected with dust removal blades of the dust removal module through a belt drive, the dust removal blades are fixed in a dust removal tank, and a filter screen is arranged on the dust removal port.

Description

Technical Field

[0001] This invention relates to the field of dust removal and joint cutting in road construction, specifically a joint cutting device with dust removal function. Background Technology

[0002] Road construction joint cutting equipment is derived from road cutting machines. Existing roads generate a lot of dust when cutting joints. The dust permeates the air, which not only affects the working environment, but also enters the body of construction workers, causing irreparable harm. Moreover, the dust is fine and difficult to clean, reducing construction efficiency.

[0003] In existing technologies, dust suppression is generally achieved through water pumps. However, this method is not very effective. It cannot effectively avoid large, hard rocks, and the flying debris from the rocks can not properly protect the machine and may even cause personal injury. Therefore, it cannot achieve effective dust suppression. Summary of the Invention

[0004] The purpose of this invention is to provide a slit cutting device with dust removal function to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0006] This invention is a slitting device with dust removal function. The upper and lower housings are horizontally connected. Guide wheels are connected to the four corners of the lower housing. A guide shell is located in the middle of the lower housing. A grease hole is connected to the top of the guide shell. One end of a return spring A contacts the guide shell and the other end contacts a hydraulic balance rod. One end of the hydraulic balance rod passes through the return spring A and the other end connects to the cutting blade. A clutch connects the output shaft and the input shaft. A centrifugal induction sleeve is connected to the output shaft and is connected to a reversing valve via an induction line. A dust collection box is located at the end of the lower housing, with the dust collection port facing the cutting blade. The dust suction blades are placed inside the dust collection box. A filter screen is connected to the dust collection port. The engine is located above the dust collection box, with one end of the engine near the end of the upper housing and the other end near a bevel gear. The bevel gear is connected to the engine via a belt drive and is connected to the dust collection box. One end of the bevel gear is near the engine and the other end is near the cutting blade. The output shaft is fixed to the side of the upper housing. The input shaft is connected to the cutting blade, and the output shaft is connected to the bevel gear. The output shaft and the input shaft are coaxial, and the axes of the output shaft and the input shaft are perpendicular to the axes of the cutting blade and the bevel gear.

[0007] The water tank, water pump, and water pipe together form the sprinkler module.

[0008] The control panel is activated, the water pump draws water from the water tank, and the water is sprayed onto the cutting disc through the water pipe.

[0009] The cutting module consists of a hydraulic worktable, a reversing valve, a guide housing, a return spring A, a hydraulic balance bar, and a cutting disc.

[0010] When the control panel is activated, the cutting blade operates. If no hard rock is encountered, the engine drives the cutting blade normally. When a hard rock is encountered, the spring C in the centrifugal sensing sleeve resets, the centrifugal block opens the sensing switch ring, and the reversing valve opens, thus changing the oil circuit.

[0011] The power module consists of an output shaft, an input shaft, an engine, a clutch, and a centrifugal induction sleeve.

[0012] When the control panel is activated, the engine starts, which drives the bevel gear to rotate. The bevel gear drives the output shaft, and the output shaft drives the input shaft through the clutch switch, thus outputting power.

[0013] The dust removal module consists of a filter screen, dust suction blades, and a dust collection box.

[0014] The control panel is activated, the engine starts, which drives the dust suction blades to rotate, and the dust is sucked into the dust collection box.

[0015] Furthermore, the cutting device also includes a water tank, a water pump, and a water pipe. The water tank is connected to the lower housing and is located at the front end of the lower housing. The water pump is installed inside the water tank and connected to the lower housing. The water pipe is placed on the lower housing, with one end connected to the water pump and the other end close to the cutting blade.

[0016] The water pump sprays water directly onto the cutting blade for heat dissipation through the water pipe.

[0017] A high-power water pump is selected, and the water pipe is fixed. This working mode allows the cutting blade to dissipate heat and reduce dust at a constant rate.

[0018] Furthermore, the slitting equipment also includes a hydraulic worktable, an oil pump, an oil tank, a directional valve, cylinder A, cylinder B, an oil inlet, an oil outlet, oil port A, and oil port B. The hydraulic worktable is connected to the two end grooves of the guide housing and is located above the lower housing. The oil pump and oil tank are installed adjacent to each other on the hydraulic worktable. One end of the oil tank is close to the water tank and the other end is close to the oil pump. One end of the oil pump is close to the oil tank and the other end is close to the dust collector. The oil inlet of the directional valve is vertically connected to the oil pump, and the oil outlet of the directional valve is vertically connected to the oil tank. The oil circuit of the rod end of cylinder A is connected to the directional valve, and the oil circuit of the rodless end of cylinder A is connected to the rodless end of cylinder B. The oil rod of cylinder A is fixedly connected to the hydraulic balance bar, and the cylinder body of cylinder A is fixed on the hydraulic worktable. The oil circuit of the rodless end of cylinder B is connected to the rodless end of cylinder A, and the oil circuit of the rod end of cylinder B is connected to oil port B of the directional valve. The cylinder body of cylinder B is fixed on the hydraulic worktable, and the oil rod of cylinder B is connected to the clutch.

[0019] Reversing valve status:

[0020] When there is no power, the oil pump returns directly to the oil tank through the overflow valve.

[0021] When energized, the oil pump dispenses oil, which enters the inlet. The oil then flows through port A to cylinder A, then to cylinder B, and finally through port B and the outlet back to the oil tank.

[0022] The cutting module uses a diamond-cutting blade. A centrifugal block senses the rotational stress on the main shaft to control the return oil path of the hydraulic system. This allows the suspension balance bar to move smoothly upward along the guide rail, pushing the lever pawl to apply pressure to the clutch and allowing the output shaft to idle. This ensures that the cutting blade can smoothly avoid and stop rotating when it encounters hard rocks, thus providing a safety protection function.

[0023] Furthermore, the slitting equipment also includes an overflow valve located at the connection between the oil tank and the directional valve.

[0024] The overflow valve overflows and stabilizes the pressure of the oil flowing through it, thus stabilizing the pressure of the entire system.

[0025] As an optimization, the slitting device also includes spring D, valve body, valve core, and electromagnetic switch. Spring D is inside the valve body, the valve core is connected to spring D, and the electromagnetic switch passes through the outside of the valve body and is connected to the valve core.

[0026] When the electromagnetic switch is closed, the valve core remains stationary; when the electromagnetic switch is open, the valve core is reset by spring D.

[0027] As an optimization, the slitting device also includes spring D, valve body, valve core, and electromagnetic switch. Spring D is inside the valve body, the valve core is connected to spring D, and the electromagnetic switch passes through the outside of the valve body and is connected to the valve core.

[0028] When the electromagnetic switch is closed, the valve core remains stationary; when the electromagnetic switch is open, the valve core is reset by spring D.

[0029] As an optimization, the slitting device also includes a centrifugal induction upper shell, an induction switch ring, a centrifugal block, a positioning post, a spring B, and a centrifugal induction lower shell. The induction switch ring is fitted into the recess of the centrifugal induction upper shell. The inner side of the centrifugal block is connected to the inner side of the centrifugal induction lower shell. The outer side of the centrifugal block abuts against the spring B and is connected to the positioning post connected to the outer side of the centrifugal induction lower shell. The centrifugal induction upper shell and the centrifugal induction lower shell are coaxially connected and fitted onto the output shaft.

[0030] When encountering a hard rock, the centrifugal block is reset by spring B, and the centrifugal block opens the induction switch to switch sleeves, transmitting the induction signal.

[0031] As an optimization, the slitting device also includes a lever claw, bushing, leaf spring, spring C37, bolts, clutch, clutch housing, pressure plate, driven plate, and flywheel. The driven plate is embedded inside the flywheel and mates with it. The pressure plate and driven plate are in clearance fit. The clutch, clutch housing, and driven plate shaft are in clearance fit. The clutch housing and flywheel are fastened with bolts. The leaf spring mates with the driven plate shaft. The bushing connects to the protruding round hole of the leaf spring. The lever claw connects to the large end of the bushing. The output shaft end gear meshes with the internal gear of the driven plate. The input shaft meshes with the internal gear of the driven plate at the other end. The driven plate sleeve connects to the inner holes of the lever claw, bushing, leaf spring, clutch housing, and flywheel. The inside of the driven plate sleeve meshes with the output shaft and input shaft gears.

[0032] When the lever jaws are stationary, the input and output shafts mesh, transmitting power to the cutting blade.

[0033] When the lever jaws are pressed down, they press against the bushing, which in turn presses against the leaf spring, disengaging the output and input shafts and allowing them to idle. A spring is installed inside the centrifugal sensing sleeve to hold the centrifugal block latch. When encountering hard rocks, this spring promptly transmits a signal to the reversing valve, enabling a switch between force and motion modes and facilitating emergency avoidance.

[0034] As an optimization, the directional valve is a two-position four-way solenoid directional valve.

[0035] The commutation is achieved through the electromagnetic induction of the centrifugal induction sleeve.

[0036] As an optimization, the push rod is connected to the upper housing, and the control panel is connected to the end of the upper housing near the push rod.

[0037] The push rod drives the entire machine to move horizontally.

[0038] Compared with existing technologies, the benefits of this invention are as follows: This invention employs a novel power transmission mode, ensuring safety and stability with consistent power output. The cutting module uses a mechanical and hydraulic transmission route to switch between blade movement trajectories and the start / stop mode of cutting. While ensuring safe operation of the equipment and personnel, it also better cuts uneven surfaces with many hard stones, achieving smooth and stable cutting tasks, significantly improving work efficiency. Furthermore, the addition of a centrifugal hydraulic control system allows for rapid centrifugal block sensing and fast transmission speed, making it suitable for various harsh environments and possessing a certain degree of environmental adaptability. The hydraulic system is durable, and the addition of an electromagnetic reversing valve enables the switching of all circuits, making it economical, cost-effective, durable, long-lasting, highly reliable, easy to maintain, with low pressure loss and short switching and reset times, ensuring safe obstacle avoidance. Attached Figure Description

[0039] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0040] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0041] Figure 2 This is a top view of the present invention;

[0042] Figure 3 This is the left view of the present invention;

[0043] Figure 4 This is a partial cross-sectional schematic diagram of the power module of the present invention;

[0044] Figure 5 This is the invention Figure 4 BB view;

[0045] Figure 6 This is the invention Figure 4 AA view;

[0046] Figure 7 This is the invention Figure 4 CC view;

[0047] Figure 8 This is a diagram of the oil return mechanism of the present invention.

[0048] Figure 9 This is a schematic diagram of the hydraulic circuit of the entire machine according to the present invention.

[0049] In the diagram: 1. Guide wheel; 2. Upper housing; 3. Lower housing; 4. Water tank; 5. Water pump; 6. Water guide pipe; 7. Return spring A; 8. Cutting blade; 9. Filter screen; 10. Hydraulic worktable; 11. Reversing valve; 12. Guide housing; 13. Output shaft; 14. Input shaft; 15. Control panel; 16. Clutch; 17. Centrifugal induction sleeve; 18. Engine; 19. Dust suction blade; 20. Dust collection box; 21. Push rod; 22. Hydraulic cylinder A; 23. Hydraulic cylinder B; 24. Hydraulic balance bar; 25. Induction line; 26. 27. Bevel gear; 28. Grease hole; 29. ​​Dust removal port; 30. Centrifugal sensor upper housing; 31. Induction switch ring; 32. Centrifugal block; 33. Positioning pin; 34. Spring B; 35. Centrifugal sensor lower housing; 36. Lever pawl; 37. Sheet spring; 38. Spring C; 39. Bolt; 40. Clutch housing; 41. Pressure plate; 42. Driven plate; 43. Flywheel; 44. Spring D; 45. Valve body; 46. Valve core; 57. Electromagnetic switch; 58. Oil pump; 59. Bushing; 50. Oil tank; 51. Relief valve; Detailed Implementation

[0050] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0051] like Figure 1 , 2 As shown in Figures 3 and 6, this invention is a slitting device with dust removal function. The upper housing 2 and the lower housing 3 are horizontally connected. Guide wheels 1 and guide housing 12 are connected to the four corners of the lower housing 3. The lower housing 3 is located in the middle. A grease hole 27 is connected to the top of the guide housing 12. One end of the return spring A7 contacts the guide housing 12 and the other end contacts the hydraulic balance rod 24. One end of the hydraulic balance rod 24 passes through the return spring A7 and the other end is connected to the cutting blade 8. The clutch 16 connects the output shaft 13 and the input shaft 14. The centrifugal induction sleeve 17 is connected to the output shaft 13 and is connected to the reversing valve 11 through the induction wire 25. The dust collector 20 is located at the end of the lower housing 3, and the dust collection port 28 is located at the end of the lower housing 3. Facing the cutting blade 8, the dust suction blade 19 is placed inside the dust collection box 20, the filter screen 9 is connected to the dust collection port 28, the engine 18 is placed above the dust collection box 20, one end of the engine 18 is close to the upper housing 2 and the other end is close to the bevel gear 26, the bevel gear 26 is connected to the engine 18 through belt drive, the bevel gear 26 is connected to the dust collection box 20, one end of the bevel gear 26 is close to the engine 18 and the other end is close to the cutting blade 8, the output shaft 13 is fixed to the side of the upper housing 2, the input shaft 14 is connected to the cutting blade 8, the output shaft 13 is connected to the bevel gear 26, the output shaft 13 and the input shaft 14 are coaxial, and the axis of the output shaft 13 and the input shaft 14 is perpendicular to the axis of the cutting blade 8 and the bevel gear 26.

[0052] The water tank 4, water pump 5, and water pipe 6 together form the water spraying module.

[0053] When the control panel 15 is activated, the water pump 5 draws water from the water tank 4, and the water is sprayed onto the cutting disc 8 through the water pipe 6.

[0054] The cutting module consists of a hydraulic worktable 10, a reversing valve 11, a guide housing 12, a return spring A7, a hydraulic balance bar 24, and a cutting blade 8.

[0055] When the control panel 15 is activated, the cutting blade 8 operates. When no hard rock is encountered, the engine 18 drives the cutting blade 8 to operate normally. When a hard rock is encountered, the spring C37 in the centrifugal sensing sleeve 17 is reset, the centrifugal block 31 opens the sensing switch ring 30, and the reversing valve 11 opens, realizing the change of the oil circuit.

[0056] The power module consists of output shaft 13, input shaft 14, engine 18, clutch 16, and centrifugal induction sleeve 17.

[0057] When the control panel 15 is activated, the engine 18 is activated, which drives the bevel gear 26 to rotate. The bevel gear 26 drives the output shaft 13, and the output shaft 13 drives the input shaft 14 through the switch of the clutch 16 to output power.

[0058] The dust removal module consists of filter screen 9, dust suction blades 19, and dust collection box 20.

[0059] The control panel 15 starts, the engine 18 starts, driving the dust suction blades 19 to rotate, and the dust is sucked into the dust collection box 20.

[0060] like Figure 1 , 6 As shown, the cutting device also includes a water tank 4, a water pump 5, and a water pipe 6. The water tank 4 is connected to the lower housing 3 and is located at the front end of the lower housing 3. The water pump 5 is installed inside the water tank 4 and is connected to the lower housing 3. The water pipe 6 is placed on the lower housing 3, with one end connected to the water pump 5 and the other end close to the cutting blade 8.

[0061] Water pump 5 sprays water directly to the cutting blade 8 through water pipe 6 for heat dissipation.

[0062] like Figure 1 , 6 As shown, the slitting equipment also includes a hydraulic workbench 10, an oil pump 51, an oil tank 53, a reversing valve 11, an oil cylinder A22, an oil cylinder B23, an oil inlet 48, an oil outlet 47, an oil port A49, and an oil port B50. The hydraulic workbench 10 is connected to the two end grooves of the guide housing 12. The hydraulic workbench 10 is located above the lower housing 3. The oil pump 51 and the oil tank 53 are installed adjacent to each other on the hydraulic workbench 10. One end of the oil tank 53 is close to the water tank 4, and the other end is close to the oil pump 51. One end of the oil pump 51 is close to the oil tank 53, and the other end is close to the dust collector 20. The oil inlet 48 of the reversing valve 11 is vertical. The oil pump 51 is connected, and the oil outlet 47 of the reversing valve 11 is vertically connected to the oil tank 53. The oil circuit of the rod end of the oil cylinder A22 is connected to the reversing valve 11, and the oil circuit of the rodless end of the oil cylinder A22 is connected to the rodless end of the oil cylinder B23. The oil rod of the oil cylinder A22 is fixedly connected to the hydraulic balance bar 24. The cylinder body of the oil cylinder A22 is fixed on the hydraulic worktable 10. The oil circuit of the rodless end of the oil cylinder B23 is connected to the rodless end of the oil cylinder A22. The oil circuit of the rod end of the oil cylinder B23 is connected to the oil port B50 of the reversing valve 11. The cylinder body of the oil cylinder B23 is fixed on the hydraulic worktable 10. The oil rod of the oil cylinder B23 is connected to the clutch 16.

[0063] Reversing valve 11 status:

[0064] When there is no power, the oil pump 51 returns directly to the oil tank 53 through the overflow valve 54.

[0065] When energized, oil pump 51 outputs oil, which enters oil inlet 48, passes through oil port A to oil cylinder A22, then to oil cylinder B23, and then through oil port B and oil outlet 47 before returning to oil tank 53.

[0066] like Figure 8 As shown, the slitting device also includes an overflow valve 54, which is located at the connection between the oil tank 53 and the reversing valve 11.

[0067] The overflow valve 54 overflows and stabilizes the pressure of the oil flowing through it, thus stabilizing the pressure of the entire system.

[0068] like Figure 7 As shown, the slitting device also includes a spring D43, a valve body 44, a valve core 45, and an electromagnetic switch 46. The spring D43 is inside the valve body 44, the valve core 45 is connected to the spring D43, and the electromagnetic switch 46 passes through the outside of the valve body 44 and is connected to the valve core 45.

[0069] When the electromagnetic switch 46 is closed, the valve core 45 remains stationary; when the electromagnetic switch is open, the valve core is reset by the spring D43.

[0070] like Figure 4 As shown, the slitting device also includes a centrifugal induction upper housing 29, an induction switch ring 30, a centrifugal block 31, a positioning post 32, a spring B33, and a centrifugal induction lower housing 34. The induction switch ring 30 is fitted into the recess of the centrifugal induction upper housing 29. The inner side of the centrifugal block 31 is connected to the inner side of the centrifugal induction lower housing 34. The outer side of the centrifugal block 31 abuts against the spring B33 and is connected to the positioning post 32 connected to the outer side of the centrifugal induction lower housing 34. The centrifugal induction upper housing 29 and the centrifugal induction lower housing 34 are coaxially connected and fitted onto the output shaft 13.

[0071] When encountering a hard rock, centrifugal block 31 is reset by spring B33, and centrifugal block 31 opens the induction switch 30 to transmit the induction signal.

[0072] like Figure 1 , 5 As shown, the slitting device also includes a lever chuck 35, a bushing 52, a leaf spring 36, a spring C37, a bolt 38, a clutch 16, a clutch housing 39, a pressure plate 40, a driven plate 41, and a flywheel 42. The driven plate 41 is embedded inside the flywheel 42 and mates with the flywheel 42. The pressure plate 40 is clearance-fitted with the driven plate 41. The clutch 16, the clutch housing 39, and the shaft of the driven plate 41 are clearance-fitted. The clutch housing 39 and the flywheel 42 are fastened together by bolts 38. Spring 36 engages with the shaft of driven disc 41. Bushing 52 connects to the protruding round hole of leaf spring 36. Lever pawl 35 connects to the large end of bushing 52. The gear at the end of output shaft 13 meshes with the internal gear of driven disc 41. Input shaft 14 meshes with the internal gear of driven disc 41 at the other end. The sleeve of driven disc 41 is externally connected to the inner hole of lever pawl 35, bushing 52, leaf spring 36, clutch housing 39, and flywheel 42. The sleeve of driven disc 41 meshes with the gears of output shaft 13 and input shaft 14.

[0073] When the lever chuck 35 is stationary, the input shaft 13 and the output shaft 14 engage, transmitting power to the cutting disc 8.

[0074] When the lever pawl 35 is pressed down, the lever pawl 355 abuts against the bushing 52, the bushing 52 abuts against the leaf spring 36, and the output shaft 13 and the input shaft 14 disengage, allowing them to idle.

[0075] like Figure 7 As shown, the reversing valve 11 is a two-position four-way solenoid reversing valve.

[0076] The reversing valve 11 is opened and closed by electromagnetic induction through the centrifugal induction sleeve 17.

[0077] like Figure 1 As shown, push rod 21 is connected to upper housing 2, and control panel 15 is connected to the end of upper housing 2 near push rod 21.

[0078] Push rod 21 pushes the whole machine to move horizontally.

[0079] The operating principle of this device is as follows: Pushing the push rod 21 moves the machine body forward. Turning on the start button on the control panel 15 starts the engine. The power is transmitted to the bevel gear 26 via the V-belt, and then to the drive shaft via the bevel gear 36, causing the cutting blade 8 to move and cut. In the water spraying module, the water pump 5 draws water from the water tank 4 and passes it through the water pipe 6 to reduce dust and simultaneously cool the cutting blade 8. When the centrifugal induction sleeve 17 on the output shaft encounters hard rocks during cutting, the centrifugal induction signal is transmitted to the two-position four-way reversing valve 11. Through the change of the hydraulic circuit, an emergency avoidance is achieved, lifting the cutting blade 8. The spring suspension plays a role in buffering and protecting the blade during the avoidance process. Finally, the dust removal function is transmitted to the dust removal blade 19 via the engine V-belt, which draws the power into the dust removal box 20.

[0080] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A slitting device with dust removal function, characterized in that: The slitting device includes an upper housing (2), a lower housing (3), a guide wheel (1), a cutting blade (8), a guide housing (12), a grease hole (27), a return spring A (7), a hydraulic balance bar (24), a clutch (16), a centrifugal induction sleeve (17), an engine (18), a bevel gear (26), an output shaft (13), an input shaft (14), a dust collection box (20), dust suction blades (19), a filter screen (9), a dust collection port (28), a push rod (21), and a control panel (15). The surfaces of the upper housing (2) and the lower housing (3) are horizontally connected. The four corners of the lower housing (3) are connected to guide wheels (1). The guide housing (12) is located in the middle of the lower housing (3). The grease hole (27) is connected to the top of the guide housing (12). One end of the return spring A (7) contacts the guide housing (12) and the other end contacts the hydraulic balance bar (24). One end of the hydraulic balance bar (24) passes through the return spring A (7) and the other end is connected to the cutting disc (8). The clutch (16) connects the output shaft (13) and the input shaft (14). The centrifugal sensing sleeve (17) is connected to the output shaft (13). The centrifugal sensing sleeve (17) is connected to the reversing valve (11) through the sensing line (25). The dust collection box (20) is connected to the end of the lower housing (3). The dust collection port (28) is connected to the dust collection box (20). One end of the dust collection port (28) faces the cutting blade (8), and the other end faces the inside of the dust collection box (20). The suction blade (19) is placed inside the dust collection box (20). The filter screen (9) is connected to the dust collection port (28). The engine (18) is placed above the dust collection box (20). One end of the engine (18) is close to the end of the upper housing (2), and the other end is close to the bevel gear (26). The bevel gear (26) The engine (18) is connected via belt drive. The bevel gear (26) is connected to the dust collector (20). One end of the bevel gear (26) is close to the engine (18) and the other end is close to the cutting blade (8). The output shaft (13) is connected to the side of the upper housing (2) via bearing. The input shaft (14) is connected to the cutting blade (8). The output shaft (13) is connected to the bevel gear (26). The output shaft (13) and the input shaft (14) are coaxial. The axes of the output shaft (13) and the input shaft (14) are perpendicular to the axes of the cutting blade (8) and the bevel gear (26). The slit cutting device also includes a water tank (4), a water pump (5), and a water guide pipe (6). The water tank (4) is connected to the lower housing (3) and is located at the front end of the lower housing (3). The water pump (5) is installed inside the water tank (4) and is connected to the lower housing (3). The water guide pipe (6) is placed on the lower housing (3). One end of the water guide pipe (6) is connected to the water pump (5), and the other end of the water guide pipe (6) is close to the cutting blade (8). The slitting device also includes a hydraulic worktable (10), an oil pump (51), an oil tank (53), a reversing valve (11), an oil cylinder A (22), an oil cylinder B (23), an oil inlet (48), an oil outlet (47), an oil port A (49), and an oil port B (50). The hydraulic worktable (10) is connected to the two end grooves of the guide housing (12). The hydraulic worktable (10) is above the lower housing (3). The oil pump (51) and the oil tank (53) are installed adjacent to each other on the hydraulic worktable (10). One end of the oil tank (53) is close to the water tank (4) and the other end is close to the oil pump (51). One end of the oil pump (51) is close to the oil tank (53) and the other end is close to the dust collector (20). The oil inlet of the reversing valve (11) is... 48) The oil pump (51) is vertically connected, and the oil outlet (47) of the reversing valve (11) is vertically connected to the oil tank (53). The oil circuit of the rod end of the oil cylinder A (22) is connected to the reversing valve (11). The oil circuit of the rodless end of the oil cylinder A (22) is connected to the rodless end of the oil cylinder B (23). The oil rod of the oil cylinder A (22) is fixedly connected to the hydraulic balance bar (24). The cylinder body of the oil cylinder A (22) is fixed on the hydraulic worktable (10). The oil circuit of the rodless end of the oil cylinder B (23) is connected to the rodless end of the oil cylinder A (22). The oil circuit of the rod end of the oil cylinder B (23) is connected to the oil port B (50) of the reversing valve (11). The cylinder body of the oil cylinder B (23) is fixed on the hydraulic worktable (10). The oil rod of the oil cylinder B (23) is connected to the clutch (16).

2. The slit cutting device with dust removal function according to claim 1, characterized in that: The slitting device also includes an overflow valve (54) at the connection between the oil tank (53) and the reversing valve (11).

3. The slit cutting device with dust removal function according to claim 2, characterized in that: The slit cutting device also includes a spring D (43), a valve body (44), a valve core (45), and an electromagnetic switch (46). The spring D (43) is inside the valve body (44), the valve core (45) is connected to the spring D (43), and the electromagnetic switch (46) passes through the outside of the valve body (44) and is connected to the valve core (45).

4. The slit cutting device with dust removal function according to claim 3, characterized in that: The slit cutting device also includes a centrifugal sensing upper shell (29), a sensing switch ring (30), a centrifugal block (31), a positioning post (32), a spring B (33), and a centrifugal sensing lower shell (34). The sensing switch ring (30) is fitted into the recess of the centrifugal sensing upper shell (29). The inner side of the centrifugal block (31) is connected to the inner side of the centrifugal sensing lower shell (34). The outer side of the centrifugal block (31) abuts against the spring B (33) and is connected to the positioning post (32) connected to the outer side of the centrifugal sensing lower shell (34). The centrifugal sensing upper shell (29) and the centrifugal sensing lower shell (34) are fitted together. The centrifugal sensing upper shell (29) and the centrifugal sensing lower shell (34) cooperate with the output shaft (13).

5. The slit cutting device with dust removal function according to claim 4, characterized in that: The cutting device further includes a lever chuck (35), a bushing (52), a leaf spring (36), a spring C (37), a bolt (38), a clutch (16), a clutch housing (39), a pressure plate (40), a driven plate (41), and a flywheel (42). The driven plate (41) is embedded inside the flywheel (42), and the driven plate (41) cooperates with the flywheel (42). The pressure plate (40) is in clearance fit with the driven plate (41), and the clutch housing (39) is in clearance fit with the driven plate (42). The shaft of the disc (41) is clearance-fitted, the clutch housing (39) and the flywheel (42) are fastened by bolts (38), the leaf spring (36) is fitted with the shaft of the driven disc (41), the bushing (52) is connected to the outer convex round hole of the leaf spring (36), the lever pawl (35) is connected to the large end of the bushing (52), the gear at the end of the output shaft (13) meshes with the internal gear of the driven disc (41), and the gear at the end of the input shaft (14) meshes with the internal gear at the other end of the driven disc (41).

6. The slit cutting device with dust removal function according to claim 5, characterized in that: The driven disc (41) sleeve is externally connected to lever claws (35), bushings (52), leaf springs (36), and clutch housings (39). The driven disc (41) sleeve is also externally connected to the inner hole of a flywheel (42). The driven disc (41) sleeve is internally connected to the output shaft (13) and input shaft (14) gears.

7. The slitting device with dust removal function according to claim 6, characterized in that: The reversing valve (11) is a two-position four-way solenoid reversing valve (11).

8. The slit cutting device with dust removal function according to claim 7, characterized in that: The push rod (21) is connected to the outer end of the upper housing (2), and the control panel (15) is connected to the end of the upper housing (2). The control panel (15) is close to the push rod (21).

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