Dustproof pavement joint cutter for road maintenance
By introducing a connecting mechanism and atomizing nozzle into the pavement cutter, the problems of cumbersome operation and dust and temperature increase are solved, and the effect of convenient adjustment and extended cutting board life is achieved.
Patent Information
- Application Number
- CN202421012278.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2024-12-27
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing pavement slit cutters are cumbersome when adjusting the blade height to adjust the depth of the cutter. A large amount of dust is generated during the cutting process, and the increase in the blade temperature affects the service life.
A road surface cutting machine for road maintenance including a base, mounting cover, connecting mechanism and atomizing spray head is designed. The height adjustment of the cutter cutting plate is realized through the connecting mechanism, and dust reduction is reduced by using the atomizing spray head.
It realizes convenient adjustment of the depth of the cutter, reduces the generation of dust and extends the service life of the cutter blade.
Smart Images

Figure CN222251683U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to pavement cutting, in particular to a dustproof pavement cutting machine for highway maintenance. Background Art
[0002] Pavement cutting refers to the artificial cutting behavior in concrete pavement construction in order to prevent the occurrence of pavement cracks and deformation. Cutting can improve the drainage performance of the pavement, reduce the possibility of water seepage and water accumulation, relieve the internal stress caused by temperature difference and vehicle load, prevent pavement cracking, and extend the service life of the pavement. When cutting the pavement, the corresponding pavement cutting machine is needed;
[0003] With reference to Chinese patent authorization announcement number CN220150050U, the authorization announcement date is 2023.12.08, which discloses a pavement seam cutting machine, including a frame, a first convex bracket, a grip rod and a lifting and adjusting part, wherein the outer wall of the frame is installed with a first convex bracket, the inner wall of the first convex bracket is installed with a first branch pipe through an axis, the top end of the second branch pipe is installed with a second convex bracket through an axis, and the outer wall of the first branch pipe is provided with a through hole. The utility model can allow the first branch pipe to be axially connected to the frame by installing a first convex bracket, the second branch pipe to be axially connected to the grip rod, and the third convex bracket to be axially connected to the frame. The support rod can support the grip rod, and by adjusting the second branch pipe to be telescopic relative to the first branch pipe, the fixing bolt passes through the through hole and is tightened relative to the corresponding adjustment hole, thereby fixing the first branch pipe relative to the second branch pipe, thereby completing the adjustment of the grip rod height, so that the grip rod can adapt to the height of the user and is convenient to use;
[0004] However, in the prior art, when adjusting the height of the blade to adjust the kerf depth, the bolts need to be disassembled and installed to position the blade and the external blade holder, which is cumbersome. In addition, a large amount of dust will be generated during the cutting process, and the temperature of the blade will increase, which makes it inconvenient to cool the blade, thus affecting the service life of the blade. For example, the comparative patents listed above have this problem.
[0005] For this reason, we propose a dustproof road maintenance pavement cutting machine to solve the above problems. Utility Model Content
[0006] The purpose of the utility model is to provide a dustproof pavement seam cutting machine for highway maintenance, so as to solve the problem proposed in the above-mentioned background technology that when adjusting the height of the blade to adjust the cutting depth, the bolts need to be disassembled and installed to achieve the positioning between the blade and the external tool holder, the operation is relatively cumbersome, and a large amount of dust will be generated during the cutting process. In addition, the temperature of the blade will increase, making it inconvenient to cool the blade, thereby affecting the service life of the blade.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dustproof road maintenance pavement seam cutter, comprising a base, a handle fixedly connected to the upper left end of the base, and a seam cutter disc;
[0008] Also includes:
[0009] The cover body is installed, wherein both the front and rear ends of the cover body are fixedly connected with movable columns, and the movable columns are connected with the fixed brackets by a slot, and the fixed brackets are welded to the middle of the upper end of the base;
[0010] A connecting mechanism, wherein the connecting mechanism is arranged in the middle of the fixed bracket, and the connecting mechanism drives the slitting cutter disc to form a lifting structure in the middle of the base through the installation cover;
[0011] Atomizing nozzles are installed at the right end of the pipeline at equal intervals and face the slitting cutter disc.
[0012] Preferably, a moving wheel is fixedly mounted on the edge of the lower end of the base, a connecting groove is opened in the middle of the base, and a slitting knife disc is arranged through the middle of the connecting groove.
[0013] Preferably, the slitting blade disc is rotatably connected to the middle part of the mounting cover, and the slitting blade disc is fixedly connected to the output end of the motor, and the motor is fixedly mounted at the front end of the mounting cover, and the motor is powered by a battery.
[0014] Preferably, the connection mechanism includes a screw rod rotatably connected to the upper end of the fixed bracket, a movable block for connection, a movable bracket hingedly connected to the upper end of the movable block, and a movable plate for adjustment.
[0015] Preferably, the movable block and the movable bracket are symmetrically arranged on the front and rear sides of the upper end of the fixed bracket, and the movable block is threadedly connected to the screw rod, and the thread directions at the front and rear ends of the screw rod are opposite.
[0016] Preferably, the movable block drives the movable bracket and the movable plate to rotate, and an up-and-down sliding structure is formed between the movable plate and the fixed bracket, and the lower end of the movable plate is fixedly connected to the mounting cover.
[0017] Preferably, a water tank is fixedly arranged on the left side of the base, and the water tank is connected to a water pump, and the water outlet of the water pump is connected to a pipeline, and the pipeline is fixedly installed in the middle of the base.
[0018] Compared with the prior art, the utility model has the following beneficial effects: the dustproof road maintenance pavement seam cutter can drive the mounting cover to extend and retract in the middle of the base through the setting of the connecting mechanism, so that the height of the seam cutter disc can be adjusted up and down, and the seam cut depth of the road surface can be adjusted. Moreover, the seam cutter disc can be moved upward and away from the road surface when not cutting, so as to prevent interference with the road surface during the movement. The seam cutter disc is sprayed with an atomizing nozzle, which can play a good dust reduction role. Moreover, the contact of cold water with the seam cutter disc can also play a good cooling role on the seam cutter disc, thereby extending the service life of the seam cutter disc.
[0019] 1. It is equipped with a fixed bracket, a mounting cover and a movable column. The mounting cover drives the movable column and the fixed bracket to slide up and down, thereby improving the stability of the mounting cover during the lifting and moving process;
[0020] 2. A connecting mechanism is provided, which includes a screw rod, a movable block, a movable bracket and a movable plate. Through the setting of the connecting mechanism, the installation cover and the slitting cutter disc can be driven to rise and fall, so as to facilitate the adjustment of the slitting depth of the road surface;
[0021] 3. Pipes and atomizing nozzles are provided. The atomizing nozzles are arranged at equal intervals on the pipes, and the atomizing nozzles are directed toward the slitting knife disc, which can play a good role in dust reduction and can also cool the slitting knife disc. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0023] Figure 2 This is a schematic diagram of the top view structure of the utility model;
[0024] Figure 3 This is a side view of the structure of the utility model;
[0025] Figure 4 This is a schematic diagram of the structure of the utility model when viewed from above;
[0026] Figure 5 This is a schematic diagram of the overall structure of the connection mechanism of the utility model;
[0027] Figure 6 This is a schematic diagram of the bottom-up structure of the installation cover, the slitting knife disc and the movable column of the utility model.
[0028] In the figure: 1. base; 2. moving wheel; 3. handle; 4. connecting groove; 5. fixed bracket; 6. mounting cover; 7. motor; 8. slitting knife disc; 9. movable column; 10. connecting mechanism; 11. screw rod; 12. movable block; 13. movable bracket; 14. movable plate; 15. water tank; 16. water pump; 17. pipeline; 18. atomizing nozzle. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] See also Figure 1-6 The utility model provides a technical solution: a dustproof road maintenance pavement seam cutting machine, including a base 1, a moving wheel 2, a handle 3, a connecting groove 4, a fixed bracket 5, a mounting cover 6, a motor 7, a seam cutting disc 8, a movable column 9, a connecting mechanism 10, a screw rod 11, a movable block 12, a movable bracket 13, a movable plate 14, a water tank 15, a water pump 16, a pipeline 17 and an atomizing nozzle 18.
[0031] When using the dust-proof road maintenance pavement cutting machine, if Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, a moving wheel 2 is fixedly installed at the lower end of the base 1, and a handle 3 is fixedly connected to the left end of the base 1. First, the handle 3 is held to make the base 1 move to the corresponding position on the road surface that needs to be cut through the moving wheel 2. A fixed bracket 5 is welded to the upper end of the base 1, and a connecting mechanism 10 is arranged at the upper end of the fixed bracket 5. At the same time, the connecting mechanism 10 includes a screw rod 11 rotatably connected to the upper end of the fixed bracket 5, a movable block 12 for connection, a movable bracket 13 hingedly connected to the upper end of the movable block 12, and a movable plate 14 for adjustment. By rotating the screw rod 11, the screw rod 11 rotates at the upper end of the fixed bracket 5, and the screw rod 11 is threadedly connected to the movable block 12, and the thread directions of the front and rear ends of the screw rod 11 are opposite, and the movable blocks 12 on the front and rear sides have opposite moving directions. At this time, the screw rod 11 drives the movable block 12 to move at the upper end of the fixed bracket 5;
[0032] At this time, the movable block 12 rotates with the movable bracket 13, and the movable bracket 13 rotates with the movable plate 14, thereby driving the movable plate 14 to slide with the fixed bracket 5. The lower end of the movable plate 14 is fixedly connected with the mounting cover 6, and the movable plate 14 drives the mounting cover 6 to move in the connecting groove 4, thereby facilitating the adjustment of the height of the slitting knife disc 8, thereby adjusting the cutting depth of the road surface, and the entire adjustment process can be achieved by only rotating the screw rod 11, without the need to disassemble and assemble the bolts, the adjustment is very convenient, and the mounting cover 6 is in the process of lifting and lowering adjustment, such as Figure 3 and Figure 6 As shown, both front and rear ends of the mounting cover 6 are fixedly connected with movable columns 9, and the mounting cover 6 drives the movable columns 9 to slide with the fixed bracket 5, thereby improving the stability of the mounting cover 6 during the lifting and moving process. When it is adjusted to a suitable height, the motor 7 powered by the battery is started, and the motor 7 drives the slitting cutter disc 8 to rotate in the middle of the mounting cover 6, and then the slitting machine is moved so that the slitting cutter disc 8 performs slitting processing on the road surface;
[0033] In addition, during the actual slitting process, the water pump 16 is started, the water pump 16 is connected to the water tank 15, and the water tank 15 contains an appropriate amount of water. The water pump 16 draws the water in the water tank 15 out through the pipe 17 and sprays it outward from the atomizing nozzle 18, and the atomizing nozzle 18 is directed toward the slitting knife disc 8, so that the dust generated by the slitting knife disc 8 during the cutting process can be reduced, and the slitting knife disc 8 can also be cooled to a certain extent to prevent the temperature of the slitting knife disc 8 from being too high, thereby extending the service life of the slitting knife disc 8, and after use, the slitting knife disc 8 can be moved upward to prevent interference with the road surface during the non-cutting movement.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dustproof road maintenance pavement seam cutting machine, comprising a base (1), a handle (3) fixedly connected to the upper left end of the base (1), and a seam cutting blade (8); It is characterized in that Also includes: The mounting cover (6) is fixedly connected to movable columns (9) at both the front and rear ends of the mounting cover (6), and the movable columns (9) are connected to the fixed bracket (5) by a slot, and the fixed bracket (5) is welded to the middle of the upper end of the base (1); A connecting mechanism (10), wherein the connecting mechanism (10) is arranged in the middle of the fixed bracket (5), and the connecting mechanism (10) drives the slitting blade disc (8) to form a lifting structure in the middle of the base (1) through the installation cover (6); Atomizing nozzles (18), the atomizing nozzles (18) are installed at equal intervals at the right end of the pipe (17), and the atomizing nozzles (18) face the slitting knife disc (8).
2. A dustproof road maintenance pavement cutting machine according to claim 1, characterized in that: A moving wheel (2) is fixedly mounted on the edge of the lower end of the base (1), a connecting groove (4) is provided in the middle of the base (1), and a slitting knife disc (8) is provided through the middle of the connecting groove (4).
3. A dustproof road maintenance pavement cutting machine according to claim 2, characterized in that: The slitting blade disc (8) is rotatably connected to the middle part of the mounting cover (6), and the slitting blade disc (8) is fixedly connected to the output end of the motor (7), and the motor (7) is fixedly mounted at the front end of the mounting cover (6), and the motor (7) is powered by a battery.
4. The dustproof road maintenance pavement cutting machine according to claim 1, characterized in that: The connection mechanism (10) comprises a screw rod (11) rotatably connected to the upper end of the fixed bracket (5), a movable block (12) for connection, a movable bracket (13) hingedly connected to the upper end of the movable block (12), and a movable plate (14) for adjustment.
5. A dustproof road maintenance pavement cutting machine according to claim 4, characterized in that: The movable block (12) and the movable bracket (13) are symmetrically arranged on the front and rear sides of the upper end of the fixed bracket (5), and the movable block (12) is threadedly connected to the screw rod (11), and the threads at the front and rear ends of the screw rod (11) are in opposite directions.
6. A dustproof road maintenance pavement cutting machine according to claim 5, characterized in that: The movable block (12) drives the movable bracket (13) and the movable plate (14) to rotate, and an up-and-down sliding structure is formed between the movable plate (14) and the fixed bracket (5), and the lower end of the movable plate (14) is fixedly connected to the mounting cover (6).
7. The dustproof road maintenance pavement cutting machine according to claim 1, characterized in that: A water tank (15) is fixedly arranged on the left side of the base (1), and the water tank (15) is connected to a water pump (16), and the water outlet of the water pump (16) is connected to a pipe (17), and the pipe (17) is fixedly installed in the middle of the base (1).