Auxiliary device for laser cutting of concrete pavement
By incorporating a center-of-gravity adjustment component, a double-layer adsorption head, and a dust cover, the design solves the problems of cutting accuracy and stability on uneven road surfaces in existing devices, achieving efficient and precise concrete road surface cutting, protecting the equipment, and improving the construction environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA FIRST HIGHWAY ENGINEERING CO LTD
- Filing Date
- 2026-02-05
- Publication Date
- 2026-05-12
AI Technical Summary
Existing laser cutting auxiliary devices for concrete pavements are difficult to adjust the cutting angle when dealing with curved, sloping, and uneven pavements, resulting in poor stability. Furthermore, dust pollution affects cutting accuracy and equipment lifespan.
The device employs a center-of-gravity adjustment component, a double-layer adsorption head, and a dustproof cover design. Combined with wheel lifting components and a control module, it ensures stability on uneven surfaces. Vacuum fixation and a filter screen isolate dust and protect core components. The laser cutting head is adjustable in angle and can cut in multiple directions.
It improves cutting accuracy and efficiency, extends equipment life, improves the quality of the construction environment, and avoids cutting deviation and device displacement caused by dust.
Smart Images

Figure CN122007652A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of road construction, and more particularly to a laser cutting auxiliary device for concrete pavement. Background Technology
[0002] Concrete, due to its ease of construction, high strength, long service life, and strong resistance to external forces, is widely used in the construction of houses, bridges, tunnels, and roads. Cement concrete pavement, as a common road structure type, possesses advantages such as high rigidity, strong load-bearing capacity, good durability, good high-temperature resistance, high flexural tensile strength, and long fatigue life, and is widely used in national highways, provincial highways, airport roads, and industrial and mining roads. However, the reconstruction process of concrete pavement is very complicated. Currently, commonly used tools for breaking up concrete pavement include pneumatic hammers, hydraulic breakers, and cement pavement breakers, which require pulverizing the pavement before paving.
[0003] The shortcomings of existing laser cutting auxiliary devices for concrete pavement:
[0004] 1. Some existing cutting aids are difficult to adjust to a suitable cutting angle for special working conditions such as curved roads, inclined roads, and uneven surfaces, causing the laser cutting head to deviate from the ideal path and reduce cutting accuracy.
[0005] 2. Some existing cutting auxiliary devices are not very stable. During long-term continuous operation, due to factors such as vibration and temperature changes, their internal structure and optical system may be displaced or deformed, affecting cutting efficiency.
[0006] 3. Some existing cutting auxiliary devices generate fine dust particles, which not only affect the air quality of the construction environment, but may also pollute the laser cutting auxiliary device system, thereby affecting the cutting accuracy and equipment lifespan. Summary of the Invention
[0007] The present invention aims to provide an auxiliary device for laser cutting of concrete pavement to solve the problems mentioned in the background art.
[0008] To achieve the above objectives, the present invention provides the following technical solution:
[0009] A laser cutting auxiliary device for concrete pavement consists of a frame assembly, a cutting platform assembly, a laser cutting assembly, and a dust cover;
[0010] The laser cutting component is mounted on the cutting platform component, the cutting platform component is mounted on the vehicle frame component, and the dust cover is mounted on the cutting platform component and covers the laser cutting component.
[0011] The cutting platform assembly is also equipped with a center of gravity adjustment component and a control module, and both the frame assembly and the center of gravity adjustment component are controlled by the control module.
[0012] Preferably, the frame assembly consists of a frame body, wheel lifting components, a drive motor, and wheel components;
[0013] The frame body has a platform assembly area in the middle for fixing and assembling the cutting platform components. The frame body has four wheel assembly areas on both sides for assembling wheel lifting components. The bottom of the wheel lifting component has a bushing. The output end of the drive motor passes through the bushing and is fitted with a wheel component. The wheel lifting component and the drive motor are both controlled by the control module.
[0014] Preferably, the cutting platform assembly consists of a platform body and supporting components;
[0015] The platform body is mounted on the middle of the vehicle frame body and has a platform assembly area. The middle of the platform body has a cutting assembly area for assembling laser cutting components. There are two sets of support components, which are respectively mounted on the bottom of the platform body on both sides of the cutting assembly area and are controlled by the control module.
[0016] Preferably, the support assembly consists of a vacuum machine, an electric telescopic rod, and a double-layer suction head;
[0017] The vacuum machine is mounted on the bottom of the platform body, one end of the electric telescopic rod is mounted on the vacuum machine, and the double-layer suction head is mounted on the end of the electric telescopic rod away from the vacuum machine and is connected to the vacuum machine through the electric telescopic rod.
[0018] Preferably, the main body of the double-layer adsorption head is an inverted bowl shape with a filter screen in the middle. The opening of the double-layer adsorption head is the working end, and the working end is provided with an outer skirt and an inner skirt.
[0019] Preferably, the double-layer adsorption head is made entirely of rubber.
[0020] Preferably, the center of gravity adjustment component is assembled on both sides of the platform body, the control module is assembled on the platform body, and the center of gravity adjustment component consists of a counterweight, an adjustment motor, a lead screw, a slider, a longitudinal level and a transverse level;
[0021] The longitudinal and transverse levels are mounted on the platform body and connected to the control module via circuitry. There are two sets of counterweights, adjusting motors, lead screws, and sliders. The two sets of counterweights and adjusting motors are respectively mounted on the two sides of the platform body. One end of the lead screw is mounted to the output end of the adjusting motor, and the other end is mounted on the counterweight. The counterweight has a bearing at its connection point with the lead screw to facilitate its rotation. The slider has a threaded hole in its middle, through which it is mounted on the lead screw. A guide block is located on the side of the slider facing the platform body, and a guide groove is also provided on the side of the platform body, with the guide block fitting into the guide groove.
[0022] Preferably, the guide block has a set of balls on one end that fits the guide groove.
[0023] Preferably, the laser cutting assembly consists of a main motor, a cutting disc, a laser, and a laser cutting head;
[0024] The main motor is mounted in the middle of the platform body, the cutting disk is mounted at the bottom of the platform body and connected to the output end of the main motor, the laser is mounted on the upper part of the cutting disk, and there are several laser cutting heads arranged in a row on the cutting disk with the cutting direction facing downward.
[0025] Preferably, the cutting disc has a fine-tuning motor located at each laser cutting head and is connected to each laser cutting head via a rotating shaft.
[0026] Compared with the prior art, the present invention has the following beneficial effects:
[0027] (1) The present invention uses a center of gravity adjustment component and a real-time monitoring device for longitudinal and transverse levels to adjust the center of gravity by moving the slider along the guide groove, thereby avoiding the laser cutting head from deviating from the ideal path and ensuring cutting accuracy. The guide block of the center of gravity adjustment component is also equipped with ball bearings to prevent the slider movement from being blocked by dust and gravel, further ensuring that the center of gravity is adjusted in place.
[0028] (2) The present invention uses a support component and a double-layer suction head with an outer and inner skirt design. It can be vacuum-fixed even if the road surface is uneven by vacuuming the air to fit the road surface. The outer skirt can also provide a sealed environment for the inner layer to prevent the device from shifting. The support component provides additional support for the main body of the device. Combined with the stable effect of center of gravity adjustment, it provides a continuous and stable working environment for the laser cutting component, ensuring that the cutting efficiency does not decrease with the working time. The double-layer suction head has a built-in filter screen to isolate road gravel and dust, preventing them from entering the vacuum machine and causing pollution.
[0029] (3) The cutting platform component of the present invention is covered with a dustproof cover, which can protect the core components such as laser cutting component, control module, and center of gravity adjustment component from corrosion by tiny particles, thus extending the service life of the equipment and improving the air quality of the construction environment, and avoiding dust from affecting the cutting accuracy.
[0030] (4) The laser cutting component provided in this invention is equipped with a main motor and a cutting disk. The main motor can drive the cutting disk to rotate slowly, so that multiple laser cutting heads distributed on the cutting disk can achieve multi-directional cutting. At the same time, each laser cutting head is connected to a fine-tuning motor, which can independently adjust the cutting angle, so that the cutting beams overlap and can cut concrete blocks into various geometric shapes and fall off by themselves without additional crushing steps, greatly improving cutting efficiency.
[0031] (5) The wheel lifting component and drive motor of the frame assembly provided in this invention can adjust the lifting height and speed of a single wheel respectively, so as to build a relatively stable basic environment for the cutting platform assembly. Attached Figure Description
[0032] Figure 1 A schematic diagram of the overall structure of a laser cutting auxiliary device for concrete pavement;
[0033] Figure 2 This is a schematic diagram of the internal structure of a laser cutting auxiliary device for concrete pavement.
[0034] Figure 3 This is a structural schematic diagram of the chassis assembly;
[0035] Figure 4 This is a structural diagram of the cutting platform components;
[0036] Figure 5 A side view of the cutting platform components;
[0037] Figure 6 A cross-sectional view of the center-of-gravity adjustment component area of the cutting platform component;
[0038] Figure 7 This is an overall sectional view of the cutting platform components;
[0039] Figure 8 This is a schematic diagram of the slider's structure;
[0040] Figure 9 A schematic diagram of the supporting components;
[0041] Figure 10 A partial cross-sectional view of the supporting components;
[0042] Figure 11 This is a schematic diagram of the structure of a laser cutting assembly;
[0043] Figure 12This is an overall cross-sectional view of the laser cutting assembly;
[0044] Figure 13 This is a cross-sectional view of the cutting disc area of the laser cutting assembly.
[0045] The reference numerals in the accompanying drawings include:
[0046] 1. Chassis Assembly; 101. Chassis Main Body; 102. Wheel Lifting Components; 103. Drive Motor; 104. Wheel Components; 105. Platform Assembly Area; 106. Wheel Assembly Area; 107. Bushings; 2. Cutting Platform Assembly; 201. Platform Main Body; 202. Support Components; 202a. Vacuum Machine; 202b. Electric Telescopic Rod; 202c. Double-Layer Adsorption Head; 202d. Filter Screen; 202e. Working End; 202f. Outer Skirt; 202g. Inner Skirt; 203. Cutting Assembly Area; 204. 1. Center of gravity adjustment assembly; 204a, counterweight; 204b, adjusting motor; 204c, lead screw; 204d, slider; 204e, longitudinal level; 204f, transverse level; 204g, bearing; 204h, threaded hole; 204i, guide block; 204j, guide groove; 204k, ball bearing; 3. Laser cutting assembly; 301, main motor; 302, cutting disc; 303, laser; 304, laser cutting head; 305, fine-tuning motor; 306, rotating shaft; 4. Dustproof cover; 5. Control module. Detailed Implementation
[0047] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:
[0048] This invention provides a laser cutting auxiliary device for concrete pavement, which consists of a frame assembly 1, a cutting platform assembly 2, a laser cutting assembly 3, and a dust cover 4;
[0049] Among them, such as Figures 1-2 As shown, the laser cutting component 3 is mounted on the cutting platform component 2, the cutting platform component 2 is mounted on the frame component 1, the dust cover 4 is mounted on the cutting platform component 2 and covers the laser cutting component 3, the cutting platform component 2 is also provided with a center of gravity adjustment component 204 and a control module 5, and the frame component 1 and the center of gravity adjustment component 204 are both controlled by the control module 5.
[0050] Specifically, such as Figure 3As shown, the frame assembly 1 consists of a frame body 101, wheel lifting components 102, a drive motor 103, and wheel components 104. The frame body 101 has a platform assembly area 105 in the middle for fixing and assembling the cutting platform assembly 2. Four wheel assembly areas 106 are located on both sides of the frame body 101, through which the wheel lifting components 102 are assembled. The bottom of the wheel lifting components 102 has a bushing 107, and the output end of the drive motor 103 passes through the bushing 107 to assemble the wheel components 104. Both the wheel lifting components 102 and the drive motor 103 are controlled by the control module 5. Thus, for special working conditions such as curved roads, inclined roads, and uneven roads, the control module 5 can control the lifting height of the wheel lifting components 102 or adjust the rotation speed of each wheel, providing a relatively stable environment for the cutting platform assembly 2. This facilitates the laser cutting assembly 3 in adjusting the appropriate cutting angle, ensuring that the laser cutting head 304 does not deviate from the ideal path and guaranteeing cutting accuracy.
[0051] like Figures 4-5 , Figure 7 As shown, the cutting platform assembly 2 consists of a platform body 201 and a support assembly 202. The platform body 201 is mounted on a platform assembly area 105 in the middle of the frame body 101. The platform body 201 has a cutting assembly area 203 in the middle for mounting the laser cutting assembly 3. There are two sets of support assemblies 202, which are respectively mounted on the bottom of the platform body 201 and located on both sides of the cutting assembly area 203. They are controlled by the control module 5. The support assembly 202 can further support the main body of the device and provide a relatively stable working environment for the laser cutting assembly 3.
[0052] like Figures 9-10As shown, the support assembly 202 consists of a vacuum machine 202a, an electric telescopic rod 202b, and a double-layer suction head 202c. The vacuum machine 202a is mounted on the bottom of the platform body 201. One end of the electric telescopic rod 202b is mounted to the vacuum machine 202a. The double-layer suction head 202c is mounted on the end of the electric telescopic rod 202b furthest from the vacuum machine 202a and is connected to the vacuum machine 202a via the electric telescopic rod 202b. The body of the double-layer suction head 202c is an inverted bowl shape, made entirely of rubber. A filter screen 202d is located in the middle to isolate road debris and dust. The open end of the double-layer suction head 202c is the working end 202e. The working end 202e has an outer skirt 202f and an inner skirt 202g. When the support assembly 202 needs to work, the electric telescopic rod 202a is activated. 02b Position the double-layer adsorption head 202c below, ensuring the working end 202e is in contact with the road surface. Simultaneously, activate the vacuum machine 202a to evacuate the interior of the double-layer adsorption head 202c. At this time, the filter screen 202d isolates road debris or dust, preventing them from entering the vacuum machine 202a. Due to the vacuum environment created inside the double-layer adsorption head 202c, the outer skirt 202f of the double-layer adsorption head 202c performs the first step of adsorption on the road surface, providing a relatively sealed environment for the inner skirt 202g. At this time, the inner skirt 202g further adheres to the road surface. Even if the road surface is uneven, the entire device can still be vacuum-fixed relative to the road surface, thus giving the device excellent stability and preventing the laser cutting component 3 from shifting or deforming due to factors such as vibration and temperature changes during operation, ensuring cutting efficiency.
[0053] The cutting platform assembly 2 is also equipped with a center of gravity adjustment assembly 204 and a control module 5. The center of gravity adjustment assembly 204 is mounted on both sides of the platform body 201, and the control module 5 is mounted on the platform body 201. The control module 5 can monitor the levelness of the device relative to the road surface and control the center of gravity adjustment assembly 204 to adjust it. In this way, a stable working environment can be provided for the laser cutting assembly 3 to ensure the accuracy of subsequent laser cutting work.
[0054] like Figure 6As shown, the center of gravity adjustment component 204 consists of a counterweight 204a, an adjusting motor 204b, a lead screw 204c, a slider 204d, a longitudinal level 204e, and a transverse level 204f. The longitudinal level 204e and the transverse level 204f are mounted on the platform body 201 and connected to the control module 5 via circuitry to provide real-time feedback on the longitudinal and transverse levelness information of the device, assisting the control module 5 in adjusting the center of gravity adjustment component 204. There are two sets of counterweights 204a, adjusting motors 204b, lead screws 204c, and sliders 204d. Two sets of counterweights 204a and adjusting motors 204b are mounted on the two sides of the platform body 201. One end of the lead screw 204c is mounted to the output end of the adjusting motor 204b, and the other end is mounted on the counterweight 204a. The counterweight 204a... A bearing 204g is provided at the connecting lead screw 204c to facilitate the rotation of the lead screw 204c. A threaded hole 204h is provided in the middle of the slider 204d, which is assembled onto the lead screw 204c. A guide block 204i is provided on the side of the slider 204d facing the platform body 201. A guide groove 204j is also provided on the side of the platform body 201. The guide block 204i is fitted into the guide groove 204j. When the adjusting motor 204b drives the lead screw 204c to rotate, the slider 204d will move linearly back and forth along the guide groove 204j. By adjusting the position of the slider 204d, the center of gravity of the device can be adjusted. With the real-time level monitoring of the longitudinal level instrument 204e and the transverse level instrument 204f, the control module 5 can adjust the center of gravity of the device in time, providing a stable working environment for subsequent laser cutting.
[0055] Furthermore, such as Figure 8 As shown, the guide block 204i is provided with a set of ball bearings 204k at one end that fits the guide groove 204j. The ball bearings 204k can prevent dust or small stones in the working environment from blocking the movement of the slider 204d, thus preventing the center of gravity of the device from being misaligned. This makes the linear reciprocating motion of the slider 204d along the guide groove 204j smoother and ensures the accuracy of subsequent laser cutting work.
[0056] like Figures 11-12As shown, the laser cutting assembly 3 consists of a main motor 301, a cutting disk 302, a laser 303, and laser cutting heads 304. The main motor 301 is mounted in the middle of the platform body 201, the cutting disk 302 is mounted at the bottom of the platform body 201 and connected to the output end of the main motor 301, the laser 303 is mounted on the upper part of the cutting disk 302, and there are several laser cutting heads 304 arranged in a row on the cutting disk 302 with the cutting direction facing downward. Thus, when laser cutting is required, the laser 303 activates the laser cutting heads 304 to generate a cutting beam, and the main motor 301 drives the cutting disk 302 to rotate slowly, so that the laser cutting heads 304 can cut the concrete pavement in multiple directions, ensuring the effectiveness of the cutting work.
[0057] Furthermore, such as Figure 13 As shown, the cutting disc 302 has a fine-tuning motor 305 located at each laser cutting head 304, and is connected to each laser cutting head 304 through a rotating shaft 306. In this way, the angle of each laser cutting head 304 can be adjusted by the fine-tuning motor 305, so that the cutting beams can overlap and intersect, which can cut concrete blocks into various geometric shapes and then detach them on their own, further improving the efficiency of the cutting work.
[0058] The specific implementation process is as follows:
[0059] This device uses a frame assembly 1 as the main body, with the cutting platform assembly 2 and laser cutting assembly 3 assembled and then mounted on the frame assembly 1. The control module 5 monitors and adjusts the center of gravity adjustment assembly 204 and the control support assembly 202 to provide a stable working environment for the laser cutting assembly 3, ensuring the cutting accuracy of the laser cutting assembly 3. At the same time, a main motor 301 is provided to enable the laser cutting assembly 3 to slowly rotate and cut the concrete road surface. A fine-tuning motor 305 is provided to adjust the angle of each laser cutting head 304, so that the cutting beams can overlap and intersect, which can cut concrete blocks into various geometric shapes and then detach them on their own, further improving the efficiency of the cutting work. Finally, the dust cover 4 covering the cutting platform assembly 2 can protect the laser cutting assembly 3, the control module 5, and the center of gravity adjustment assembly 204 from the influence of small particles in the working environment, ensuring the subsequent cutting accuracy and extending the service life of the equipment.
[0060] The above descriptions are merely embodiments of the present invention, and common knowledge such as specific technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solutions of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.
Claims
1. A laser cutting auxiliary device for concrete pavement, characterized in that: The device consists of a frame assembly (1), a cutting platform assembly (2), a laser cutting assembly (3), and a dust cover (4); The laser cutting component (3) is mounted on the cutting platform component (2), the cutting platform component (2) is mounted on the frame component (1), and the dust cover (4) is mounted on the cutting platform component (2) and covers the laser cutting component (3). The cutting platform assembly (2) is also provided with a center of gravity adjustment assembly (204) and a control module (5), and both the frame assembly (1) and the center of gravity adjustment assembly (204) are controlled by the control module (5).
2. The laser cutting auxiliary device for concrete pavement according to claim 1, characterized in that: The frame assembly (1) consists of a frame body (101), a wheel lifting component (102), a drive motor (103), and wheel components (104); The frame body (101) has a platform assembly area (105) in the middle for fixing and assembling the cutting platform assembly (2). The frame body (101) has four wheel assembly areas (106) on both sides, through which wheel lifting components (102) are assembled. The bottom of the wheel lifting component (102) is provided with a bushing (107). The output end of the drive motor (103) passes through the bushing (107) and is equipped with a wheel component (104). The wheel lifting component (102) and the drive motor (103) are both controlled by the control module (5).
3. The laser cutting auxiliary device for concrete pavement according to claim 1, characterized in that: The cutting platform component (2) consists of a platform body (201) and a support component (202); The platform body (201) is mounted on the platform assembly area (105) in the middle of the frame body (101). The platform body (201) has a cutting assembly area (203) in the middle for mounting the laser cutting component (3). There are two sets of support components (202), which are respectively mounted on the bottom of the platform body (201) on both sides of the cutting assembly area (203) and controlled by the control module (5).
4. The laser cutting auxiliary device for concrete pavement according to claim 3, characterized in that: The support assembly (202) consists of a vacuum machine (202a), an electric telescopic rod (202b), and a double-layer suction head (202c); The vacuum machine (202a) is mounted on the bottom of the platform body (201), one end of the electric telescopic rod (202b) is mounted on the vacuum machine (202a), and the double-layer suction head (202c) is mounted on the end of the electric telescopic rod (202b) away from the vacuum machine (202a) and is connected to the vacuum machine (202a) through the electric telescopic rod (202b).
5. The laser cutting auxiliary device for concrete pavement according to claim 4, characterized in that: The main body of the double-layer adsorption head (202c) is an inverted bowl shape, with a filter screen (202d) in the middle. The opening of the double-layer adsorption head (202c) is the working end (202e). The working end (202e) is surrounded by an outer skirt (202f) and has an inner skirt (202g).
6. The laser cutting auxiliary device for concrete pavement according to claim 5, characterized in that: The double-layer adsorption head (202c) is made entirely of rubber.
7. The laser cutting auxiliary device for concrete pavement according to claim 1, characterized in that: The center of gravity adjustment component (204) is mounted on both sides of the platform body (201), and the control module (5) is mounted on the platform body (201). The center of gravity adjustment component (204) consists of a counterweight (204a), an adjustment motor (204b), a lead screw (204c), a slider (204d), a longitudinal level (204e), and a transverse level (204f). The longitudinal level (204e) and transverse level (204f) are mounted on the platform body (201) and connected to the control module (5) via circuitry. There are two sets of counterweights (204a), adjusting motors (204b), lead screws (204c), and sliders (204d). The two sets of counterweights (204a) and adjusting motors (204b) are respectively mounted on both sides of the platform body (201). One end of the lead screw (204c) is mounted to the output end of the adjusting motor (204b), and the other end is mounted to the counterweight (204a). On 4a), the counterweight (204a) is provided with a bearing (204g) at the connecting screw (204c) to facilitate the rotation of the screw (204c). The slider (204d) is provided with a threaded hole (204h) in the middle, and is assembled on the screw (204c) through the threaded hole (204h). The slider (204d) is provided with a guide block (204i) on the side facing the platform body (201). The side of the platform body (201) is also provided with a guide groove (204j), and the guide block (204i) is fitted into the guide groove (204j).
8. The laser cutting auxiliary device for concrete pavement according to claim 7, characterized in that: The guide block (204i) has a set of balls (204k) on one end that fits the guide groove (204j).
9. The laser cutting auxiliary device for concrete pavement according to claim 1, characterized in that: The laser cutting assembly (3) consists of a main motor (301), a cutting disc (302), a laser (303), and a laser cutting head (304); The main motor (301) is mounted on the middle part of the platform body (201), the cutting disk (302) is mounted on the bottom of the platform body (201) and connected to the output end of the main motor (301), the laser (303) is mounted on the upper part of the cutting disk (302), and there are several laser cutting heads (304) arranged in a row on the cutting disk (302) with the cutting direction facing downward.
10. A laser cutting auxiliary device for concrete pavement according to claim 9, characterized in that: The cutting disc (302) has a fine-tuning motor (305) located at each laser cutting head (304) and is connected to each laser cutting head (304) via a rotating shaft (306).