Concrete pavement grooving machine

Abstract

The utility model relates to the technical field of road surface grooving equipment, and provides a concrete road surface grooving machine which comprises a supporting frame with a mounting hole, a rotating shaft is rotationally mounted in the mounting hole of the supporting frame, a plurality of sets of grooving cutters are detachably mounted on the rotating shaft, a protective cover is detachably mounted on the supporting frame, and the protective cover corresponds to the grooving cutters. Gaps are reserved between the multiple sets of grooving cutters, a polishing block is fixedly arranged on the protective cover and located in the gap between every two adjacent sets of grooving cutters, a liquid conveying pipe is arranged on the protective cover, and a plurality of spraying nozzles are fixedly arranged in the protective cover. The grooving machine has the advantages that impurities mingled among the multiple sets of grooving cutters are removed through the grinding stone, the grooving cutters are ground at the same time, the situation that the grooving efficiency is affected due to the fact that the impurities are mingled among the grooving cutters or the surfaces of the grooving cutters rust is avoided, liquid conveyed in the liquid conveying pipe is sprayed out through the spraying nozzle, the effect of cooling the grooving cutters is achieved, and the grooving efficiency is improved. And meanwhile, the dustproof function is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of road surface slotting equipment, in particular to a concrete road surface slotting machine. Background Art

[0002] Concrete pavement refers to a pavement with cement concrete slabs as the surface layer. It refers to a pavement structure composed of cement concrete slabs as the surface layer, a base layer and a cushion layer. It is also called a rigid pavement. It is generally required to be wear-resistant, flat, non-slip, and have high strength. Grooving machines are mainly used for asphalt and cement pavement repairs, drainage pipes, gas pipes, wire pipes and optical cable pipes. The pavement is quickly cut into uniform grooves through a wheel saw to form a new bonding surface, optimize the contact surface between the grouting material and the groove, and strengthen the tightness of the bonding between the grouting material and the side wall of the groove. The concrete pavement is grooved and cracked by a grooving machine.

[0003] The patent document with application number 201922286611.8 discloses a grooving machine for concrete pavement, whose structure includes a handlebar, a controller, a fixed plate and a baffle adjusting device. The utility model arranges the baffle adjusting device in the middle of the left end of the bottom plate, and then the first movable plate descends to squeeze the push rod, the push rod pushes the sliding plate to slide in the box body, and then the sliding groove of the sliding plate and the sliding rod of the adjustment plate slide together, the sliding rod drives the adjustment plate to move up and down on the box body, and the sliding rod slides along the limiting groove of the limiting plate through the sliding rod, thereby realizing synchronous adjustment of the first baffle and the second baffle, the first movable plate rises and the first baffle rises, the first movable plate descends and the second baffle descends, the operation is convenient and the mobility is strong.

[0004] However, existing concrete pavement grooving machines are generally assembled from multiple sets of grooving knives. Impurities are easily mixed in the gaps between the multiple sets of grooving knives, and rust will form on the surface of the grooving knives after long-term use, which affects the sharpness of the grooving knives and reduces the grooving efficiency. At the same time, the temperature of the grooving knives is high during the grooving process, and the cooling and dust removal functions cannot be achieved. Utility Model Content

[0005] In view of this, the utility model provides a concrete pavement grooving machine, which uses a grinding stone to remove impurities mixed between multiple groups of grooving knives, and grinds the grooving knives at the same time to prevent impurities from being mixed between the grooving knives or rust on the surface of the grooving knives, thereby affecting the grooving efficiency. The liquid transported in the infusion tube is sprayed out through the spray nozzle to achieve the effect of cooling the grooving knives, and at the same time has a dust-proof function.

[0006] The technical solution is as follows: A concrete pavement grooving machine, comprising a support frame with a mounting hole, a rotating shaft rotatably mounted in the mounting hole of the support frame, a plurality of groups of grooving knives detachably mounted on the rotating shaft, a protective cover detachably mounted on the support frame, the protective cover corresponding to the grooving knives, characterized in that: gaps are reserved between the plurality of groups of grooving knives, a grinding block is fixedly mounted on the protective cover, the grinding block is located in the gap between two adjacent groups of grooving knives, the grooving knives rotate to remove impurities between the grooving knives through the grinding block, and the sides of the grooving knives are ground, an infusion tube is arranged on the protective cover, a plurality of spray nozzles are fixedly mounted in the protective cover, the plurality of spray nozzles are connected to the infusion tube, and the liquid transported in the infusion tube is sprayed out through the spray nozzle.

[0007] During use of the above technical solution: impurities mixed between multiple groups of slotting knives are removed by grinding stones, and the slotting knives are grinded at the same time to prevent impurities from being mixed between the slotting knives or rust on the surface of the slotting knives, thereby affecting the slotting efficiency. The liquid transported in the infusion tube is sprayed out through the spray nozzle to achieve the effect of cooling the slotting knives, and at the same time has a dust-proof function.

[0008] Preferably, the front, rear and lower end surfaces of the grinding block are in the shape of sharp knives.

[0009] Preferably, the plurality of groups of grinding blocks are linearly and evenly distributed on the protective cover and are spaced apart from the slotting knife.

[0010] Preferably, an infusion cavity is provided on the protective cover, the infusion cavity is connected to the infusion tube, a guide tube is fixedly provided on the protective cover, the guide tube is connected to the infusion cavity, a spray cover is fixedly and sealedly provided on the guide tube, and a plurality of spray nozzles are installed on the spray cover.

[0011] Preferably, there are two guide pipes, which are distributed on the front and rear sides of the grinding block, and both guide pipes are connected to the spray nozzle through a liquid spray hood.

[0012] Preferably, the plurality of spray nozzles are linearly and evenly distributed on the liquid spray hood.

[0013] Preferably, a connecting plate with screw holes is fixedly provided on the protective cover, a side plate is detachably mounted on the connecting plate, and the left side of the protective cover is sealed by the side plate, a support column is detachably mounted on the connecting plate, a second mounting hole is opened on the protective cover, and the rotating shaft is rotatably mounted in the second mounting hole.

[0014] Preferably, a first limit nut is fixedly provided on the rotating shaft, a second limit nut is threadedly installed on the end of the rotating shaft, the slotting knife is installed on the rotating shaft between the first limit nut and the second limit nut, a through hole is opened on the rotating shaft, and the support column is rotatably installed in the through hole.

[0015] Preferably, a plurality of groups of first limit frames are fixedly arranged on the rotating shaft, and the plurality of groups of first limit frames are spaced apart on the rotating shaft. A first connecting frame with a limit hole is fixedly arranged on the slotting knife, and the first limit frame is fixedly installed in the limit hole of the first connecting frame. A second limit frame with a limit hole is detachably installed on the rotating shaft, and the second limit frame corresponds to the slotting knife.

[0016] Preferably, the first limiting frame is a regular hexagon, the limiting holes on the first connecting frame and the second limiting frame are both regular hexagons, and the first limiting frame corresponds to the limiting holes, and pads are fixedly provided on the first connecting frame and the second limiting frame.

[0017] During use of the above technical solution: different numbers of slotting knives are installed as needed, and the slotting knives are fixed by the second limiting frame, the first limiting nut and the second limiting nut, thereby improving the flexible adjustment of the position and number of the slotting knives.

[0018] After adopting the above technical solution, the beneficial effects of the utility model are:

[0019] 1. Use grinding stones to remove impurities between multiple groups of slotting knives, and grind the slotting knives at the same time to prevent impurities from being mixed between the slotting knives or rust on the surface of the slotting knives, thereby affecting the efficiency of slotting. The liquid transported in the infusion tube is sprayed out through the spray nozzle to achieve the effect of cooling the slotting knives and has a dust-proof function;

[0020] 2. Install different numbers of slotting knives as needed, and fix the slotting knives through the second limiting frame, the first limiting nut and the second limiting nut to improve the flexible adjustment of the position and number of the slotting knives. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 It is a three-dimensional diagram of the utility model;

[0023] Figure 2It is a cross-sectional view of the utility model;

[0024] Figure 3 It is a cross-sectional view of the utility model;

[0025] Figure 4 For this utility model Figure 3 A partial enlarged view of the middle A;

[0026] Figure 5 It is a three-dimensional diagram of the utility model;

[0027] Figure 6 This is a schematic diagram of the structure of the protective cover of the utility model;

[0028] Figure 7 It is a three-dimensional diagram of the protective cover of the utility model;

[0029] Figure 8 It is a cross-sectional view of the protective cover of the utility model;

[0030] Fig. 9 This is a three-dimensional diagram of the installation of the spray nozzle of the utility model;

[0031] Fig.10 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0032] Fig.11 This is an exploded view of the second embodiment of the present utility model;

[0033] Fig.12 A three-dimensional diagram of a slotting knife according to the utility model;

[0034] In the figure, 1, support frame; 2, mounting frame; 3, protective cover; 4, connecting plate; 5, side plate; 6, screw hole; 7, second mounting hole; 8, grinding block; 9, infusion tube; 10, drainage port; 11, infusion cavity; 12, guide tube; 13, spray cover; 14, spray nozzle; 15, rotating shaft; 16, first limiting nut; 17, first limiting frame; 18, first connecting frame; 19, slotting knife; 20, second limiting frame; 21, pad; 22, second limiting nut; 23, fixing bolt; 24, support column; DETAILED DESCRIPTION

[0035] 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 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. Example

[0036] like Figures 1 to 12As shown, a concrete pavement grooving machine comprises a support frame 1 with a mounting hole, a rotating shaft 15 is rotatably mounted in the mounting hole of the support frame 1, a plurality of groups of grooving knives 19 are detachably mounted on the rotating shaft 15, a protective cover 3 is detachably mounted on the support frame 1, the protective cover 3 corresponds to the grooving knives 19, and is characterized in that: gaps are reserved between the plurality of groups of grooving knives 19, a grinding block 8 is fixedly arranged on the protective cover 3, the grinding block 8 is located in the gap between two adjacent groups of grooving knives 19, the grooving knives 19 are rotated to remove impurities between the grooving knives 19 through the grinding block 8, and the sides of the grooving knives 19 are ground, an infusion tube 9 is arranged on the protective cover 3, a plurality of spray nozzles 14 are fixedly arranged in the protective cover 3, the plurality of spray nozzles 14 are connected to the infusion tube 9, and the liquid transported in the infusion tube 9 is sprayed out through the spray nozzle 14.

[0037] The front, rear and lower end surfaces of the grinding block 8 are in the shape of sharp knives.

[0038] The plurality of groups of grinding blocks 8 are linearly and evenly distributed on the protective cover 3 and are spaced apart from the slotting knife 19 .

[0039] The protective cover 3 is provided with an infusion cavity 11, and the infusion cavity 11 is connected to the infusion tube 9. The protective cover 3 is fixedly provided with a guide tube 12, and the guide tube 12 is connected to the infusion cavity 11. The guide tube 12 is fixedly and sealedly provided with a spray cover 13, and a plurality of spray nozzles 14 are installed on the spray cover 13.

[0040] Specifically: the protective cover 3 is provided with a drain port 10, the guide tube 12 is fixedly and sealedly connected with the infusion cavity 11 through the drain port 10, the infusion tube 9 is connected with a water pump through a hose, and the water pump is connected with a liquid storage tank through a pipeline;

[0041] There are two guide pipes 12 , which are distributed on the front and rear sides of the grinding block 8 . Both guide pipes 12 are connected to the spray nozzle 14 through the liquid spray cover 13 .

[0042] The plurality of spray nozzles 14 are linearly and evenly distributed on the liquid spray cover 13 .

[0043] In actual operation: the water pump is started to transport the liquid in the liquid storage tank to the liquid infusion cavity 11 through the liquid infusion tube 9, and the water is transported to the guide pipe 12 through the liquid discharge port 10 through the liquid infusion cavity 11, and the water is transported to the spray nozzle 14 through the liquid spray cover 13 through the guide pipe 12, and sprayed out in the form of water mist through the spray nozzle 14, so as to cool down the slot and reduce the dust generated;

[0044] The protective cover 3 is fixedly provided with a connecting plate 4 with a screw hole 6, and a side plate 5 is detachably mounted on the connecting plate 4, and the left side of the protective cover 3 is sealed by the side plate 5. A support column 24 is detachably mounted on the connecting plate 4, and a second mounting hole 7 is opened on the protective cover 3, and the rotating shaft 15 is rotatably mounted in the second mounting hole 7. A through hole is opened on the rotating shaft 15, and the support column 24 is rotatably mounted in the through hole;

[0045] Specifically: the connecting plate 4 is provided with a screw hole 6, the supporting column 24 is fixedly provided with a fixing bolt 23, the fixing bolt 23 is threadedly installed in the screw hole 6 of the connecting plate 4, and the supporting column 24 is rotatably installed in the through hole of the rotating shaft 15;

[0046] A first limiting nut 16 is fixedly provided on the rotating shaft 15, and a second limiting nut 22 is threadedly installed on the end of the rotating shaft 15. The slotting knife 19 is installed on the rotating shaft 15 between the first limiting nut 16 and the second limiting nut 22. The rotating shaft 15 is transmission-connected to the driving component of the slotting machine, and the driving component is started to drive the slotting knife 19 to rotate through the rotating shaft 15.

[0047] In actual operation: the slotting knife 19 is driven to rotate by the rotating shaft 15, and the road surface is slotted by the rotation of the slotting knife 19. During the rotation of the slotting knife 19, the impurities mixed between the slotting knives 19 and the rust spots on the slotting knives 19 are cleaned by the grinding block 8. Example

[0048] Based on the first embodiment, Figures 10 to 12 As shown, a plurality of groups of first limit frames 17 are fixedly arranged on the rotating shaft 15, and the plurality of first limit frames 17 are spaced apart on the rotating shaft 15. A first connecting frame 18 with a limit hole is fixedly arranged on the slotting knife 19, and the first limit frame 17 is fixedly installed in the limit hole of the first connecting frame 18. A second limit frame 20 with a limit hole is detachably installed on the rotating shaft 15, and the second limit frame 20 corresponds to the slotting knife 19.

[0049] The first limiting frame 17 is a regular hexagon, the limiting holes on the first connecting frame 18 and the second limiting frame 20 are both regular hexagons, and the first limiting frame 17 corresponds to the limiting holes, and the first connecting frame 18 and the second limiting frame 20 are both fixedly provided with pads 21.

[0050] Specifically: the first limiting nut 16 is welded on the rotating shaft 15, and the first limiting nut 16 is close to the second mounting hole 7 of the protective cover 3, there is a gap between the multiple groups of the first limiting frames 17, and the second limiting frame 20 has the same thickness as the first connecting frame 18;

[0051] In actual operation: remove the connecting plate 4 of the protective cover 3, remove the supporting column 24 on the fixing bolt 23 from the through hole of the rotating shaft 15, remove the second limiting nut 22, install the first connecting frame 18 and the second limiting frame 20 on the first limiting frame 17 on the rotating shaft 15 as needed, and then install the second limiting nut 22 on the rotating shaft 15, and fix the slotting knife 19 by the second limiting frame 20, the first limiting nut 16 and the second limiting nut 22, so as to improve the flexible adjustment of the position and quantity of the slotting knife 19.

[0052] The working principle of the utility model is as follows: the groove cutter 19 is driven to rotate by the rotating shaft 15, and the road surface is grooved by the rotation of the groove cutter 19. During the rotation of the groove cutter 19, the impurities mixed between the groove cutters 19 and the rust spots on the groove cutters 19 are cleaned by the grinding block 8;

[0053] Start the water pump to transport the liquid in the liquid storage tank to the infusion cavity 11 through the infusion tube 9, transport the water to the guide tube 12 through the discharge port 10 through the infusion cavity 11, transport the water to the spray nozzle 14 through the spray cover 13 through the guide tube 12, and spray it out through the spray nozzle 14 in the form of water mist to cool the slot and reduce the dust generated.

[0054] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A concrete pavement slotting machine, comprising a support frame (1) with a mounting hole, a rotating shaft (15) rotatably mounted in the mounting hole of the support frame (1), a plurality of groups of slotting knives (19) detachably mounted on the rotating shaft (15), a protective cover (3) detachably mounted on the support frame (1), the protective cover (3) corresponding to the slotting knives (19), characterized in that: Gaps are reserved between the multiple groups of slotting knives (19); a grinding block (8) is fixedly arranged on the protective cover (3); the grinding block (8) is located in the gap between two adjacent groups of slotting knives (19); the slotting knives (19) rotate to remove impurities between the slotting knives (19) through the grinding block (8), and the sides of the slotting knives (19) are grinded; an infusion tube (9) is arranged on the protective cover (3); a plurality of spray nozzles (14) are fixedly arranged in the protective cover (3); the plurality of spray nozzles (14) are connected to the infusion tube (9); and the liquid transported in the infusion tube (9) is sprayed out through the spray nozzle (14).

2. A concrete pavement slotting machine according to claim 1, characterized in that: The front, rear and lower end surfaces of the grinding block (8) are in the shape of sharp knives.

3. A concrete pavement slotting machine according to claim 2, characterized in that: A plurality of groups of grinding blocks (8) are linearly and evenly distributed on the protective cover (3) and are spaced apart from the slotting knife (19).

4. A concrete pavement slotting machine according to claim 1, characterized in that: The protective cover (3) is provided with an infusion cavity (11), the infusion cavity (11) is connected to the infusion tube (9), a guide tube (12) is fixedly arranged on the protective cover (3), the guide tube (12) is connected to the infusion cavity (11), a liquid spray cover (13) is fixedly and sealedly arranged on the guide tube (12), and a plurality of spray nozzles (14) are mounted on the liquid spray cover (13).

5. A concrete pavement slotting machine according to claim 4, characterized in that: There are two flow guide pipes (12), which are distributed on the front and rear sides of the grinding block (8), and both of the flow guide pipes (12) are connected to the spray nozzle (14) through the liquid spray cover (13).

6. A concrete pavement slotting machine according to claim 5, characterized in that: The plurality of spray nozzles (14) are linearly and evenly distributed on the liquid spray cover (13).

7. A concrete pavement slotting machine according to claim 1, characterized in that: A connecting plate (4) with a screw hole (6) is fixedly arranged on the protective cover (3), a side plate (5) is detachably mounted on the connecting plate (4), and the left side surface of the protective cover (3) is sealed by the side plate (5), a supporting column (24) is detachably mounted on the connecting plate (4), a second mounting hole (7) is opened on the protective cover (3), and the rotating shaft (15) is rotatably mounted in the second mounting hole (7).

8. A concrete pavement slotting machine according to claim 7, characterized in that: A first limiting nut (16) is fixedly arranged on the rotating shaft (15), a second limiting nut (22) is threadedly mounted on the end of the rotating shaft (15), the slotting knife (19) is mounted on the rotating shaft (15) between the first limiting nut (16) and the second limiting nut (22), a through hole is opened on the rotating shaft (15), and the support column (24) is rotatably mounted in the through hole.

9. A concrete pavement slotting machine according to claim 8, characterized in that: A plurality of groups of first limiting frames (17) are fixedly arranged on the rotating shaft (15), and the plurality of groups of the first limiting frames (17) are spaced and distributed on the rotating shaft (15); a first connecting frame (18) with a limiting hole is fixedly arranged on the slotting knife (19), and the first limiting frame (17) is fixedly installed in the limiting hole of the first connecting frame (18); a second limiting frame (20) with a limiting hole is detachably installed on the rotating shaft (15), and the second limiting frame (20) corresponds to the slotting knife (19).

10. A concrete pavement slotting machine according to claim 9, characterized in that: The first limiting frame (17) is a regular hexagon, the limiting holes on the first connecting frame (18) and the second limiting frame (20) are both regular hexagons, and the first limiting frame (17) corresponds to the limiting holes, and the first connecting frame (18) and the second limiting frame (20) are both fixedly provided with pads (21).

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