Cutting device for highway pavement maintenance

Abstract

The utility model relates to the technical field of pavement maintenance equipment, in particular to a cutting device for highway pavement maintenance, which comprises a bearing plate and four bearing legs, the lower surface of the bearing plate is fixedly connected with the four bearing legs, the bearing plate is provided with a sliding chute and a groove, a driving mechanism is arranged in the sliding chute, and the driving mechanism drives the bearing plate to rotate. A groove is formed in the lower surface of the driving mechanism, a first electric push rod is arranged in the groove, a shielding assembly and a cutting mechanism are arranged below the driving mechanism, the cutting mechanism comprises a cutting block and blades, the cutting block is installed below the driving mechanism, a plurality of arc-shaped grooves are formed in the lower surface of the cutting block, and a blade is fixedly installed in each arc-shaped groove; the cement surface cutting device has the beneficial effects that compared with original four-time cutting, the cement surface cutting device can directly cut a round cement surface only through one-time cutting, and the cut round shape is more attractive compared with an original square shape.

Description

Technical Field

[0001] The utility model relates to the technical field of road surface maintenance equipment, in particular to a cutting device for highway road surface maintenance. Background Art

[0002] my country is a country with a large road development. Faced with the construction of many roads, road maintenance is one of the inevitable problems. In the process of road maintenance, the damaged road surface needs to be cut and refilled. Therefore, it is important to have a cutting device for road road maintenance.

[0003] In the prior art, a blade is usually provided on one side of a trolley or a bracket, and then driven by a motor, the circular blade rotates to cut the road surface in a straight line. However, when a hard well is to be repaired, only a square groove can be cut, and four cuts are required, which is not only troublesome, but also leaves marks on the road surface after the repair, thus affecting the appearance of the city.

[0004] Therefore, the utility model proposes a cutting device for highway pavement maintenance to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a cutting device for highway pavement maintenance, so as to solve the problem that the circular blade proposed in the above-mentioned background technology can rotate to cut the pavement in a straight line, but when encountering the maintenance of a hard well, only a square groove can be cut, so four cuttings are required, which is not only troublesome, but also leaves marks on the pavement after the maintenance, thereby affecting the beauty of the city.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting device for highway pavement maintenance, comprising a bearing plate and bearing legs, four bearing legs are fixedly connected to the lower surface of the bearing plate, a slide groove and a groove are provided on the bearing plate, a driving mechanism is provided in the slide groove, a first electric push rod is provided in the groove, a shielding assembly and a cutting mechanism are provided below the driving mechanism, the cutting mechanism comprises a cutting block and a blade, the cutting block is installed below the driving mechanism, a plurality of arc grooves are provided on the lower surface of the cutting block, a blade is fixedly installed in each of the arc grooves.

[0007] Preferably, each of the blades is provided with a plurality of through holes, and a plurality of screws are provided on the side of the cutting block, and each screw penetrates the side wall of the cutting block and extends into the through hole.

[0008] Preferably, the driving mechanism includes a second electric push rod and a motor, a slider is slidably connected in the slide groove, the second electric push rod is fixedly installed on the upper surface of the slider, the output end of the second electric push rod is fixedly connected to a lifting frame, and the motor is fixedly installed at the bottom of the lifting frame.

[0009] Preferably, the shielding assembly includes an annular baffle, a lifting slide rod and a limit block, an annular groove is opened on the lower surface of the cutting block, the annular baffle is slidably connected to the annular groove, the lifting slide rod is fixedly installed on the upper surface of the annular groove, and the limit block is fixedly installed on the upper surface of the lifting slide rod.

[0010] Preferably, a second spring is slidably sleeved on the lifting slide rod, one end of the second spring is fixedly connected to the upper surface of the limiting block, and the other end of the second spring is fixedly connected to the upper surface of the cutting block.

[0011] Preferably, one end of the slide groove is slidably connected to a telescopic slide rod, one end of the telescopic slide rod is fixedly mounted with an anti-collision block, and a first spring is slidably sleeved on the telescopic slide rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model changes the shape of the cutting knife so that the original cutting knife blade which can only cut straight lines is changed into an arc-shaped blade and can be rotated with the cutting block for cutting. Compared with the original four cuts, the device only needs one cut to directly cut out a circular cement surface, and the cut circle is more beautiful than the original square. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a front view of the driving mechanism of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the cutting mechanism of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the shielding component of the utility model.

[0018] In the figure: 1. load-bearing plate; 2. load-bearing leg; 4. shielding assembly; 5. cutting mechanism; 6. driving mechanism; 8. groove; 9. first electric push rod; 10. slider; 11. anti-collision block; 12. telescopic slide rod; 13. first spring; 14. slide groove; 15. second electric push rod; 17. lifting frame; 18. motor; 20. cutting block; 21. screw; 22. blade; 23. through hole; 24. arc groove; 25. annular groove; 26. annular baffle; 27. lifting slide rod; 28. second spring; 29. ​​limit block. DETAILED DESCRIPTION

[0019] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0020] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", and "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0023] See also Figures 1 to 4The utility model provides a technical solution: a cutting device for highway pavement maintenance, comprising: a bearing plate 1 and a bearing leg 2, four bearing legs 2 are fixedly connected to the lower surface of the bearing plate 1, a slide groove 14 and a groove 8 are opened on the bearing plate 1, the slide groove 14 and the groove 8 are connected, a driving mechanism 6 is arranged in the slide groove 14, the driving mechanism 6 is used to drive the cutting mechanism 5 to move up and down or rotate, a first electric push rod 9 is arranged in the groove 8, the output end of the first electric push rod 9 extends into the slide groove 14 and is fixedly connected to the slider 10, a shielding component 4 and a cutting mechanism 5 are arranged below the driving mechanism 6, the shielding component 4 is used to shield the smoke and dust generated during the cutting process and the broken materials that jump up, the cutting mechanism 5 comprises a cutting block 20 and a blade 22, the cutting block 20 is installed below the driving mechanism 6, the upper surface of the cutting block 20 is fixedly connected to the output end of the motor 18, a plurality of arc grooves 24 are opened on the lower surface of the cutting block 20, a blade 22 is fixedly installed in each arc groove 24, and a ruler tooth is arranged at the bottom of the blade 22 for cutting.

[0024] Specifically, each blade 22 is provided with a plurality of through holes 23, and the through holes 23 are used to fix the blade 22. A plurality of screws 21 are provided on the side of the cutting block 20, and the screws 21 are also used to fix the blade 22. Each screw 21 penetrates the side wall of the cutting block 20 and extends into the through hole 23. Each screw 21 also penetrates the annular groove 25 and the side wall thereof and is threadedly connected with the side wall thereof. The blade 22 is fixed in the arc groove 24 by the screw 21 passing through the through hole 23.

[0025] Secondly, the driving mechanism 6 includes a second electric push rod 15 and a motor 18. The second electric push rod 15 can control the up and down movement of the cutting mechanism 5, and the motor 18 can control the rotation of the cutting mechanism 5. The slide 14 is slidably connected with the slider 10. The first electric push rod 9 can control the sliding of the slider 10. The second electric push rod 15 is fixedly installed on the upper surface of the slider 10. The output end of the second electric push rod 15 is fixedly connected with the lifting frame 17, so the second electric push rod 15 can drive the lifting frame 17 to move up and down, thereby indirectly driving the motor 18 and the cutting mechanism 5 to move up and down. The motor 18 is fixedly installed at the bottom of the lifting frame 17. The output end of the motor 18 can drive the cutting mechanism 5 to rotate, and under the push of the second electric push rod 15, pressure can be applied to the cutting to make it cut faster;

[0026] In addition, the shielding component 4 includes an annular baffle 26, a lifting slide bar and a limit block 29. The shielding component 4 is used to shield the dust and debris generated by the cutting mechanism 5 during cutting. An annular groove 25 is provided on the lower surface of the cutting block 20. The annular groove 25 is arranged on the outer side of the cutting blade 22 to surround all the cutting blades 22. The annular baffle 26 is slidably connected to the annular groove 25. The annular baffle 26 can almost completely slide into the annular groove 25. The lifting slide bar is fixedly installed on the upper surface of the annular groove 25. When the annular groove 25 slides, the lifting slide bar passing through the top of the annular groove 25 will also slide relative to the cutting block 20. The limit block 29 is fixedly installed on the upper surface of the lifting slide bar. The limit block 29 is to ensure that the shielding component 4 will not fall off easily.

[0027] In addition, a second spring 28 is slidably sleeved on the lifting slide rod. The second spring 28 is used to prevent the baffle plate from getting stuck during the up and down sliding process, and to ensure that the annular baffle 26 can completely block the blade 22 before use. One end of the second spring 28 is fixedly connected to the upper surface of the limit block 29, and the other end of the second spring 28 is fixedly connected to the upper surface of the cutting block 20. The second spring 28 allows the annular baffle 26 to fit tightly against the bottom plate during the cutting process.

[0028] Finally, one end of the slide groove 14 is slidably connected to a telescopic slide rod, which can telescope and slide back and forth on the side wall of the slide groove 14. An anti-collision block 11 is fixedly installed at one end of the telescopic slide rod 12, and a first spring 13 is slidably sleeved on the telescopic slide rod 12, so that the first spring 13 plays a certain buffering role.

[0029] When the device is working, first select a suitable position, start the first electric push rod 9, select the position where the cutting mechanism 5 needs to cut and align it, then start the second electric push rod 15, so that the cutting mechanism 5 can slowly move down until the annular baffle 26 contacts the ground, then start the motor 18, the motor 18 will drive the cutting block 20 to rotate, and the rotation of the cutting block 20 will drive the blade 22 and the annular baffle 26 to rotate together, then start the second electric push rod 15 again, the second electric push rod 15 will drive the rotating cutting block 20 to slowly move down, after the cutting knife contacts the ground, the annular baffle 26 will shrink upward, the second spring 28 will be stretched, and the annular baffle 26 will still fit closely with the ground, and the annular baffle 26 will rotate relative to the ground, and will grind the track formed on the ground, so that the sealing can be further increased, and the motor 18 is turned off after the cutting is completed, and the second electric push rod 15 shrinks. Compared with the original four cuttings, the device only needs one cutting to directly cut out a circular cement surface, and the cut circle is more beautiful than the original square.

[0030] 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 cutting device for road pavement maintenance, comprising: A load-bearing plate (1) and load-bearing legs (2), wherein the lower surface of the load-bearing plate (1) is fixedly connected with four load-bearing legs (2), and is characterized in that: a slide groove (14) and a groove (8) are provided on the load-bearing plate (1), a driving mechanism (6) is provided in the slide groove (14), a first electric push rod (9) is provided in the groove (8), a shielding assembly (4) and a cutting mechanism (5) are provided below the driving mechanism (6), the cutting mechanism (5) comprises a cutting block (20) and a blade (22), the cutting block (20) is installed below the driving mechanism (6), a plurality of arc grooves (24) are provided on the lower surface of the cutting block (20), and a blade (22) is fixedly installed in each of the arc grooves (24).

2. A cutting device for road pavement maintenance according to claim 1, characterized in that: A plurality of through holes (23) are formed on each of the blades (22); a plurality of screws (21) are disposed on the side of the cutting block (20); each screw (21) penetrates the side wall of the cutting block (20) and extends into the through hole (23).

3. A cutting device for road pavement maintenance according to claim 2, characterized in that: The driving mechanism (6) comprises a second electric push rod (15) and a motor (18); a slider (10) is slidably connected in the slide groove (14); the second electric push rod (15) is fixedly mounted on the upper surface of the slider (10); an output end of the second electric push rod (15) is fixedly connected to a lifting frame (17); and the motor (18) is fixedly mounted on the bottom of the lifting frame (17).

4. A cutting device for road pavement maintenance according to claim 3, characterized in that: The shielding assembly (4) comprises an annular baffle (26), a lifting slide bar (27) and a limit block (29); an annular groove (25) is provided on the lower surface of the cutting block (20); the annular baffle (26) is slidably connected to the annular groove (25); the lifting slide bar (27) is fixedly mounted on the upper surface of the annular groove (25); and the limit block (29) is fixedly mounted on the upper surface of the lifting slide bar (27).

5. A cutting device for road pavement maintenance according to claim 4, characterized in that: A second spring (28) is slidably sleeved on the lifting slide bar (27), one end of the second spring (28) is fixedly connected to the upper surface of the limit block (29), and the other end of the second spring (28) is fixedly connected to the upper surface of the cutting block (20).

6. A cutting device for road pavement maintenance according to claim 5, characterized in that: One end of the slide groove (14) is slidably connected to a telescopic slide rod (12), one end of the telescopic slide rod (12) is fixedly mounted with an anti-collision block (11), and a first spring (13) is slidably sleeved on the telescopic slide rod (12).

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