Road surface cutting device

Abstract

A road cutting device is provided. The cutting device includes a frame (1) with a notch, a cutting structure (2) mounted in the notch, the cutting structure including a drive member and a blade connected to the drive member, a first support frame (102) fixedly connected to the top of the frame, a first vertical rod (101) fixedly mounted to the top of the first vertical rod, and an auxiliary structure (3) mounted on the first support frame, the auxiliary structure including a support member mounted on the first support frame, and a single-line laser positioning lamp (307) connected to the support member, the single-line laser positioning lamp is used to project a laser line onto the road surface, and the laser line and the blade are aligned on the same line. The single-line laser positioning lamp projects a laser line onto the road surface that is aligned on the same line as the blade, allowing the operator to clearly see the laser line during cutting, allowing them to intuitively determine the cutting position and direction of the blade and reducing secondary cutting or correction work due to inaccurate cutting.

Description

[Technical Field]

[0001] The present invention relates to the technical field of road cutting, and more particularly to a road cutting device. [Background technology]

[0002] In the field of road construction and maintenance, road cutting is a common and important part of the work. Traditional road cutting devices have one notable problem during actual operation: it is difficult for the operator to accurately judge the direction of the blade. During the cutting process, the bottom of the blade is embedded in the road material and the top is blocked by a protective cover, making it difficult for the operator to observe the real-time position of the blade, which is prone to inaccurate cutting position. Therefore, we have proposed an improved road cutting device. Summary of the Invention [Means for solving the problem]

[0003] The present invention proposes a road cutting device, which includes a frame with a notch, a cutting structure provided in the notch, the cutting structure including a drive member and a blade connected to the drive member, a first upright rod fixedly attached to the top of the frame, a first support frame fixedly connected to the end of the first upright rod, an auxiliary structure installed on the first support frame, the auxiliary structure including a support member attached to the first support frame, a single-line laser positioning lamp connected to the support member, the single-line laser positioning lamp used to project a laser line onto the road surface, and the laser line and the blade are aligned in the same line.

[0004] In a preferred technical means of the present application, the support member includes a mounting frame, the inner wall of which is inserted onto the outer surface of a first support frame, a first hand-threaded bolt screwed into the mounting frame, one end of which passes through the mounting frame and abuts against the first support frame, a second hand-threaded bolt screwed into the mounting frame, an arm screwed onto the outer surface of the second hand-threaded bolt, a third hand-threaded bolt screwed onto the arm, a clamping plate attached to the outer surface of the third hand-threaded bolt, and the single-line laser positioning lamp clamped by the clamping plate.

[0005] As a preferred technical means of the present application, the driving member includes a lifting platform located in the notch, a gasoline engine is attached to the top of the lifting platform, two bearing holders are further attached to the top of the lifting platform, and a rotating shaft is rotatably connected between the two bearing holders via bearings, a shielding plate is fixedly attached to a side of the lifting platform, a first shroud is attached to a surface of the shielding plate away from the lifting platform via bolts, transmission wheels located within the shielding plate are connected to one ends of the output shaft and the rotating shaft of the gasoline engine, and a transmission belt is connected between the two transmission wheels; A second shroud is fixedly connected to the surface of the lifting platform away from the shielding plate, a protective plate is attached to the surface of the second shroud away from the shielding plate via bolts, one end of the rotating shaft away from the transmission wheel extends into the second shroud, and a blade seat is fixedly connected to one end of the rotating shaft away from the transmission wheel, a first threaded rod is fixedly connected to one end of the blade seat away from the rotating shaft, the blades are fitted onto the outer surface of the first threaded rod, and a plurality of fastening nuts are threadedly connected to the outer surface of the first threaded rod.

[0006] As a preferred technical means of the present application, the blade has a plurality of position limiting ports, position limiting rods are inserted into the position limiting ports, and the bottom ends of the position limiting rods are fixedly connected to the blade seats.

[0007] As a preferred technical means of the present application, a groove is formed in the top of the frame, positioned on one side of the second shroud, an insertion rod is inserted into the inner wall of the groove, a fourth connecting plate is fixedly connected to the top of the insertion rod, and a third shroud positioned below the second shroud is fixedly connected to one side of the fourth connecting plate.

[0008] As a preferred technical means of the present application, a first connecting plate is fixedly attached to the top of the lifting platform, a sleeve is fixedly connected to the tip of the first connecting plate, and the sleeve is fitted onto the outer surface of the first upright rod.

[0009] As a preferred technical means of the present application, a water tank is attached to the top of the frame, a conveying pipe is connected between the water tank and the second shroud, and a valve is provided in the conveying pipe, A liquid addition port is provided at the top of the water tank, and a protective cover is provided on the liquid addition port, and an air hole is provided on the protective cover.A handrail is fixedly connected to the surface of the water tank away from the first support frame.

[0010] As a preferred technical means of the present application, a lifting mechanism is attached to the top of the frame, and the lifting mechanism is connected to the lifting platform and is used to control the lifting of the lifting platform.

[0011] As a preferred technical means of the present application, the lifting structure includes a second support frame attached to the top of the frame, a second threaded rod is rotatably connected between the second support frame and the frame by a bearing, a second connecting plate is screw-connected to the outer surface of the second threaded rod, the second connecting plate is connected to the lifting platform, and a rotating lever is connected to the tip of the second threaded rod.

[0012] As a preferred technical means of the present application, a second upright rod is connected between the frame and the water tank, a third connecting plate is fitted to the outer surface of the second upright rod, and the third connecting plate is connected to the lifting platform. [Effects of the Invention]

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: In the technical means of the present application, This application uses a single-line laser positioning lamp that projects a laser line onto the road surface in the same straight line as the blade, allowing the operator to clearly see this laser line while cutting, thereby enabling them to intuitively determine the cutting position and direction of the blade and reducing secondary cutting or correction work due to inaccurate cutting. [Brief explanation of the drawings]

[0014] [Figure 1] 1 is a schematic structural diagram of a road cutting device according to the present invention. [Figure 2] 1 is a bottom view of the road cutting device of the present invention. [Figure 3] 1 is a schematic diagram of the blade structure of the present invention. [Figure 4] 2 is an enlarged structural schematic diagram of part A in FIG. 1 of the present invention. [Figure 5] 1 is a schematic diagram of the structure of the transmission wheel and transmission belt of the present invention. [Figure 6] 1 is a schematic diagram of the cutting edge seat structure of the present invention. [Figure 7] 2 is a schematic diagram of the structure of the second threaded rod of the present invention. [Figure 8] 1 is a schematic diagram of the structure of the insertion rod of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0015] In order to allow those skilled in the art to better understand the present invention, the following clearly and completely describes the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention, but it is clear that the described embodiments are only some embodiments of the present invention and do not represent all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments in the present invention without any creative work should fall within the scope of protection of the present invention.

[0016] Furthermore, if there is no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0017] Note that like symbols and letters represent like items in subsequent figures, so once an item is defined in one figure, it need not be further defined and interpreted in subsequent figures.

[0018] (Example) 1 to 8, a road cutting device includes a frame 1 having a notch 104, a cutting structure 2 provided in the notch 104, the cutting structure 2 including a drive member and a blade 213 connected to the drive member, a first vertical pole 101 fixedly attached to the top of the frame 1, the first vertical pole 101 connected to the top of the frame 1 via a bolt, the first vertical pole 101 welded to a first support frame, a first support frame 102 fixedly connected to the tip of the first vertical pole 101, an auxiliary structure 3 installed on the first support frame 102, the auxiliary structure 3 including a support member attached to the first support frame 102, a single-line laser positioning lamp 307 connected to the support member, the single-line laser positioning lamp 307 used to project a laser line onto the road surface, and the laser line and the blade 213 being on the same straight line, and a plurality of wheels 103 attached to the bottom of the frame 1.

[0019] The single-line laser positioning lamp 307 is an existing component, and its specific structure and principle are all existing technologies, and will not be further described in this application. However, when the single-line laser positioning lamp 307 is in operation, it is powered by an existing mobile power source.

[0020] Further, the support member includes a mounting frame 301, the inner wall of which is inserted onto the outer surface of the first support frame 102, a first hand screw bolt 302 screwed into the mounting frame 302, one end of which passes through the mounting frame 301 and abuts against the first support frame 102, a second hand screw bolt 303 screwed into the mounting frame 301, an arm 304 screwed to the outer surface of the second hand screw bolt 303, a third hand screw bolt 305 screwed to the arm 304, a clamping plate 306 attached to the outer surface of the third hand screw bolt 305, and a single-line laser positioning lamp 307 clamped by the clamping plate 306.

[0021] Further, the driving member includes a lifting platform 201 located in the notch 104, a gasoline engine 202 is attached to the top of the lifting platform 201, the gasoline engine 202 is attached to the top of the lifting platform 201 with bolts, two bearing holders 205 are further attached to the top of the lifting platform 201, and a rotating shaft is rotatably connected between the two bearing holders 205 via bearings, the bearing holders 205 are attached to the top of the lifting platform 201 with bolts, and the bearing holders 205 are used to support the rotating shaft 206.

[0022] A shield plate 203 is fixedly attached to the side of the lifting platform 201, and the shield plate 203 is attached to the side of the lifting platform 201 with bolts. A first shroud 204 is attached via bolts to the surface of the shield plate 203 that is away from the lifting platform 201. A transmission wheel 207 located within the shield plate 203 is connected to one end of the output shaft and one end of the rotating shaft 206 of the gasoline engine 202, and a transmission belt 208 is connected between the two transmission wheels 207. A second shroud 209 is fixedly connected to the surface of the lifting platform 201 away from the shielding plate 203, and a protective plate 210 is attached to the surface of the second shroud 209 away from the shielding plate 203 via bolts. One end of the rotating shaft 206 away from the transmission wheel 207 extends into the second shroud 209, and a blade seat 211 is fixedly connected to one end of the rotating shaft 206 away from the transmission wheel 207. A first threaded rod 212 is fixedly connected to one end of the blade seat 211 away from the rotating shaft 206, and the blade 211 is fitted onto the outer surface of the first threaded rod 212, and a plurality of fastening nuts 216 are screwed onto the outer surface of the first threaded rod 212.

[0023] Furthermore, the blade 213 is provided with a plurality of position limiting ports 215, and position limiting rods 214 are inserted into the position limiting ports 215, with the bottom ends of the position limiting rods 214 fixedly connected to the blade seat 211. The position limiting rods 214 are welded to the blade seat 211, and the position limiting rods 214 and the position limiting ports 215 cooperate with each other to limit the position of the blade 213 to ensure the transmission of power.

[0024] Furthermore, a groove 6 is formed on the top of the frame 1, positioned on one side of the second shroud 209. An insertion rod 601 is inserted into the inner wall of the groove 6. A fourth connecting plate 602 is fixedly connected to the top of the insertion rod 601, and a third shroud 603, positioned below the second shroud 209, is fixedly connected to one side of the fourth connecting plate 602. The fourth connecting plate 602 cooperates with the second shroud 209 and the protective plate 210 to protect the blade 213 when not in use, thereby reducing the risk of the blade 213 accidentally injuring people or objects when the device is transported or stored when not in use. The length of the first upright rod 101 and the height of the first support frame 102 are designed to fill the space required for raising the cutting structure 2 when the third shroud 603 is inserted or removed.

[0025] Furthermore, a first connecting plate 217 is fixedly attached to the top of the lifting platform 201, and a sleeve 218 is fixedly connected to the tip of the first connecting plate 217, and the sleeve 218 is fitted onto the outer surface of the first upright 101. The sleeve 218, first connecting plate 217, and first upright 101 can provide an auxiliary position limiting function to the lifting platform 201 in order to increase the stability of the lifting platform 201, which is welded to the sleeve 218 and the lifting platform 201, during lifting and lowering.

[0026] Furthermore, a water tank 4 is attached to the top of the frame 1, and the water tank 4 and the frame 1 are connected by bolts. A conveying pipe 403 is connected between the water tank 4 and the second shroud 209, and a valve 404 is provided on the conveying pipe 403. The water tank 4 and the first support frame 102 are connected by bolts. The water in the water tank 4 is transported to the blade 213 by the conveying pipe 403 to lower the temperature and remove dust during cutting.

[0027] A liquid supply port is provided at the top of the water tank 4, and a protective cover 401 is provided on the liquid supply port, and the protective cover 401 is provided with an air hole, and a handrail 402 is fixedly connected to the surface of the water tank 4 away from the first support frame 102. The handrail 402 is used to provide a hand grip point when moving the entire unit.

[0028] Furthermore, a lifting structure 5 is attached to the top of the frame 1, and the lifting structure 5 is connected to the lifting platform 201 and is used to control the lifting and lowering of the lifting platform 201.

[0029] The lifting structure 5 further includes a second support frame 501 attached to the top of the frame 1, and the second support frame 501 is attached to the top of the frame 1 by bolting or welding. A second threaded rod 502 is rotatably connected between the second support frame 501 and the frame 1 by a bearing. A second connecting plate 503 is screw-connected to the outer surface of the second threaded rod 502. The second connecting plate 503 is connected to the lifting platform 201, and a rotating lever 504 is connected to the tip of the second threaded rod 502. The second connecting plate 503 and the lifting platform 201 are connected by a bolt. Rotating the rotor 504 rotates the second threaded rod 502, and rotating the second threaded rod 502 drives the lifting platform 201 to move up and down via the second connecting plate 503, thereby lifting and lowering the blade 213.

[0030] Furthermore, a second upright 506 is connected between the frame 1 and the water tank 4, a third connecting plate 505 is fitted onto the outer surface of the second upright 506, the third connecting plate 505 is connected to the lifting platform 201, the second upright 506 is connected to the water tank 4 and the frame 1 via bolts, and the third connecting plate 505 and the lifting platform 201 are connected via bolts, and the second upright 506 and the third connecting plate 505 are fitted together to restrict the position of the lifting platform 201 in order to increase the stability of the lifting platform 201 when it is raised or lowered.

[0031] When in use, first rotate the rotary lever 504 to raise the lifting platform 201 and separate the second shroud 209 from the third shroud 603, then pull the fourth connecting plate 602 upward to separate the insertion lever 601 from the groove 6, and then pull the third shroud 603 downward to remove it. The gasoline engine 202 rotates the rotary shaft 206 via the transmission wheel 207 and transmission belt 208, and the rotary shaft 206 rotates the rotary shaft 206 via parts such as the tool rest 211, the first threaded rod 212, and the stopper rod 214. The blade 213 is rotated, and water in the water tank 4 is transported toward the blade 213 through the transport pipe 403, rotating the rotating shaft 504 to rotate the second threaded rod 502. When the second threaded rod 502 rotates, the lifting platform 201 is lowered via the second connecting plate 503, and the blade 213 is lowered to cut the target area of ​​the road surface. When use is complete, the cutting structure 2 rises, the insertion rod 601 is inserted into the groove 6, and the cutting structure 2 is lowered to bring the second shroud 209 into contact with the top of the third shroud 603.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "attach," "connect," "join," "fixed," etc. should be understood in a broad sense. For example, they may be fixedly connected, detachably connected, or integral. They may be mechanically connected, electrically connected, capable of communicating with each other, directly connected, or indirectly connected via an intermediate medium, and, unless otherwise limited, may be an internal connection between two elements or an interactive relationship between two elements. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention depending on the context.

[0033] Obviously, the above-described embodiments are only some of the embodiments of the present invention, not all of them. The drawings illustrate preferred embodiments of the present invention, but do not limit the scope of the invention. The present invention can be realized in many different forms; on the contrary, the purpose of providing these embodiments is to facilitate a more complete understanding of the disclosure of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may modify the technical solutions described in the above embodiments or replace some of the technical features with equivalents. Equivalent structures made using the contents of the present invention description and drawings, whether directly or indirectly used in other related technical fields, are all within the scope of protection of the present invention patent. [Explanation of symbols]

[0034] 1, frame; 101, first upright; 102, first support frame; 103, wheel; 104, notch; 2, cutting structure; 201, lifting platform; 202, gasoline engine; 203, blocking plate; 204, first shroud; 205, bearing holder; 206, rotating shaft; 207, transmission wheel; 208, transmission belt; 209, second shroud; 210, protective plate; 211, blade seat; 212, first threaded rod; 213, blade; 214, position limiting rod; 215, position limiting port; 216, fastening nut; 217, first connecting plate; 218, sleeve; 3, auxiliary structure; 3 01, mounting frame; 302, first hand-threaded bolt; 303, second hand-threaded bolt; 304, arm; 305, third hand-threaded bolt; 306, third hand-threaded bolt; 307, single-line laser positioning lamp; 4, water tank; 401, protective cover; 402, handrail; 403, conveying pipe; 404, valve; 5, lifting structure; 501, second support frame; 502, second threaded rod; 503, second connecting plate; 504, rotating lever; 505, third connecting plate; 506, second standing rod; 6, groove; 601, insertion rod; 602, fourth connecting plate; 603, third shroud.

Claims

1. A road cutting device comprising: a frame (1) having a notch (104), a cutting structure (2) provided in the notch (104), the cutting structure (2) including a drive member and a blade (213) connected to the drive member; a first stand (101) fixedly attached to the top of the frame (1), a first support frame (102) fixedly connected to the tip of the first stand (101), an auxiliary structure (3) installed on the first support frame (102), the auxiliary structure (3) including a support member attached to the first support frame (102), a single-line laser positioning lamp (307) connected to the support member, the single-line laser positioning lamp (307) used to project a laser line onto the road surface, and the laser line and the blade (213) being on the same straight line.

2. 2. The road cutting device of claim 1, wherein the support member includes a mounting frame (301), the inner wall of which is inserted into the outer surface of a first support frame (102), a first hand-threaded bolt (302) screwed to the mounting frame (301), one end of which passes through the mounting frame (301) and abuts against the first support frame (102), a second hand-threaded bolt (303) screwed to the mounting frame (301), an arm (304) screwed to the outer surface of the second hand-threaded bolt (303), a third hand-threaded bolt (306) screwed to the arm (304), a clamping plate (306) attached to the outer surface of the third hand-threaded bolt (306), and the single-line laser positioning lamp (307) clamped by the clamping plate (306).

3. The driving member includes a lifting platform (201) positioned in the notch (104), a gasoline engine (202) attached to the top of the lifting platform (201), two bearing holders (205) further attached to the top of the lifting platform (201), and a rotating shaft (206) rotatably connected between the two bearing holders (205) via bearings; A shield plate (203) is fixedly attached to the side of the lifting platform (201), a first shroud (204) is attached to the surface of the shield plate (203) away from the lifting platform (201) via bolts, a transmission wheel (207) located inside the shield plate (203) is connected to one end of the output shaft and one end of the rotating shaft (206) of the gasoline engine (202), and a transmission belt (208) is connected between the two transmission wheels (207). The road cutting device of claim 1, characterized in that a second shroud (209) is fixedly connected to a surface of the lifting platform (201) remote from the barrier plate (203), a protective plate (210) is attached to a surface of the second shroud (209) remote from the barrier plate (203) via bolts, one end of the rotating shaft (206) remote from the transmission wheel (207) extends within the second shroud (209), and a blade seat (211) is fixedly connected to one end of the rotating shaft (206) remote from the transmission wheel (207), a first threaded rod (212) is fixedly connected to one end of the blade seat (211) remote from the rotating shaft (206), the blade (213) is fitted onto the outer surface of the first threaded rod (212), and a plurality of fastening nuts (216) are threadedly connected to the outer surface of the first threaded rod (212).

4. 4. The road cutting device according to claim 3, wherein the blade (213) has a plurality of position limiting ports (215), a position limiting rod (214) is inserted into the position limiting ports (215), and the bottom end of the position limiting rod (214) is fixedly connected to the blade seat (211).

5. The road cutting device according to claim 3, characterized in that a groove (6) is opened at the top of the frame (1) and positioned on one side of the second shroud (209), an insertion rod (601) is inserted into the inner wall of the groove (6), a fourth connecting plate (602) is fixedly connected to the top of the insertion rod (601), and a third shroud (603) positioned below the second shroud (209) is fixedly connected to one side of the fourth connecting plate (602).

6. A road cutting device as described in claim 3, characterized in that a first connecting plate (217) is fixedly attached to the top of the lifting platform (201), a sleeve (218) is fixedly connected to the tip of the first connecting plate (217), and the sleeve (218) is fitted into the outer surface of the first upright pole (101).

7. A water tank (4) is attached to the top of the frame (1), a conveying pipe (403) is connected between the water tank (4) and the second shroud (209), and a valve (404) is provided in the conveying pipe (403); The road cutting device according to claim 3, characterized in that a liquid addition port is provided at the top of the water tank (4), a protective cover (401) is provided at the liquid addition port, an air hole is provided in the protective cover (401), and a handrail (402) is fixedly connected to the surface of the water tank (4) away from the first support frame (102).

8. The road cutting device according to claim 3, characterized in that a lifting structure (5) is attached to the top of the frame (1), and the lifting structure (5) is connected to a lifting platform (201) and is used to control the lifting and lowering of the lifting platform (201).

9. The road cutting device of claim 8, characterized in that the lifting structure (5) includes a second support frame (501) attached to the top of the frame (1), a second threaded rod (502) is rotatably connected between the second support frame (501) and the frame (1) by a bearing, a second connecting plate (503) is screw-connected to the outer surface of the second threaded rod (502), the second connecting plate (503) is connected to the lifting platform (201), and a rotating lever (504) is connected to the tip of the second threaded rod (502).

10. The road cutting device according to claim 9, characterized in that a second upright (506) is connected between the frame (1) and the water tank (4), a third connecting plate (505) is fitted onto the outer surface of the second upright (506), and the third connecting plate (505) is connected to the lifting platform (201).

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