Road surface joint cutting device for road engineering

Abstract

The utility model discloses a road engineering pavement joint cutting device which comprises a supporting assembly, the supporting assembly comprises a supporting frame, a moving assembly is arranged at the lower end of the supporting frame, a joint cutting assembly is arranged in the supporting frame, the rear end of the joint cutting assembly is connected with a depth adjusting assembly, and the joint cutting assembly comprises a joint cutting base. The depth adjusting assembly comprises a connecting block, the connecting block is fixed to the lower side of the rear end of the joint cutting base, the lower end of the connecting block is movably connected with a first connecting rod, the right side of the first connecting rod is movably connected with a second connecting rod, and the rear side of the second connecting rod is connected with a threaded rod through a connecting bearing. A supporting cover is fixed to the right side of the supporting frame, and the internal thread block is fixed to the upper end of the supporting cover. In actual use, the depth adjusting assembly has the dual functions of adjusting the joint cutting depth in a working state and horizontally placing the whole joint cutting assembly in a non-working state so as to lower the transportation gravity center.

Description

TECHNICAL FIELD

[0001] The utility model relates to road surface cutting device technical field, concretely is a road engineering road surface cutting device. BACKGROUND

[0002] The road engineering road surface cutting device, as the key equipment in the road surface construction, usually has the height adjustment function to adapt to the road cutting demand of different thickness and material; this design characteristic makes the cutting device itself have higher overall height, thereby facilitating the adjustment of the cutting depth. However, when these devices need to be quickly transported to different construction sites, especially when using relatively small transport tools such as pickup trucks or small trucks, the problem becomes apparent.

[0003] In actual transportation, due to the height of the cutting device, the center of gravity of this part of goods on the transport vehicle is significantly increased after loading; this upward movement of the center of gravity not only increases the instability of the vehicle during driving, but also may increase the risk of rollover or loss of control under conditions such as sharp turns and emergency braking, posing a threat to transportation safety. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a road engineering road surface cutting device to solve the problem of significant increase in the center of gravity of this part of goods on the transport vehicle after loading due to the height of the cutting device, and the instability of the vehicle during driving caused by the upward movement of the center of gravity.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a road engineering road surface cutting device, comprising a support assembly, a moving assembly, a cutting assembly and a depth adjustment assembly, the support assembly comprises a support frame, the lower end of the support frame is provided with the moving assembly, the inside of the support frame is provided with the cutting assembly, the lower end of the cutting assembly is provided with a spraying assembly, the rear end of the cutting assembly is connected with the depth adjustment assembly, the cutting assembly comprises a cutting base, the right lower end of the cutting base is connected with the support frame through a rotary support rod, the depth adjustment assembly comprises a connecting block, the connecting block is fixed on the rear lower side of the cutting base, the lower end of the connecting block is movably connected with a first connecting rod, the right side of the first connecting rod is movably connected with a second connecting rod, the rear side of the second connecting rod is connected with a threaded rod through a connecting bearing, the threaded rod is rotatably installed in an internal threaded block, the right side of the support frame is fixed with a support cover, and the internal threaded block is fixed on the upper end of the support cover.

[0006] Preferably, the rear end of the support frame is fixed with two groups of handrails, the handrails are of telescopic structure, and the upper ends of the two groups of handrails are fixed with a pushing handrail.

[0007] Preferably, the outer side of the handrail is provided with a limiting bolt.

[0008] Preferably, the moving assembly includes a guide wheel and a rear wheel, the guide wheel is installed at the front end of the support frame, and the rear wheel is installed at the lower side of the rear end of the support frame, and the guide wheel is larger than the rear wheel.

[0009] Preferably, a driving device is provided at the upper end of the slitting base, a slitting wheel is installed at the lower end of the slitting base, and the driving device is connected to the slitting wheel.

[0010] Preferably, the spray assembly includes a water inlet pipe, which is fixed to the lower end of the support cover. The left side of the water inlet pipe is connected to a spray pipe, which is fixed to the lower end of the support frame.

[0011] Preferably, a water inlet valve is installed on the right side of the water inlet pipe, and a regulating valve is installed on the left side of the water inlet valve.

[0012] Preferably, a rotating wheel is fixed on the right side of the threaded rod.

[0013] The utility model provides a pavement slitting device for road engineering, which has the following beneficial effects: in actual use, the depth adjustment component has the dual functions of adjusting the slitting depth in the working state and horizontally laying the entire slitting component in the non-working state to lower the transportation center of gravity; by rotating the threaded rod, pulling the first connecting rod and the second connecting rod, the inclination angle of the slitting component is changed, and by laying the slitting component horizontally, the center of gravity of the entire device during transportation is significantly lowered, effectively reducing the instability of the transport vehicle and reducing the risk of rollover or loss of control in situations such as sharp turns and emergency braking, thereby improving transportation safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 3 This is a side view structural diagram of the utility model;

[0017] Figure 4 This is a schematic structural diagram of the slitting assembly and depth adjustment assembly of the utility model.

[0018] In the figure: 1. Support assembly; 11. Support frame; 12. Support cover; 13. Handrail rod; 131. Limit bolt; 14. Push handrail; 2. Moving assembly; 21. Guide wheel; 22. Rear wheel; 3. Slitting assembly; 31. Slitting base; 32. Driving device; 33. Slitting wheel; 34. Rotating support rod; 4. Depth adjustment assembly; 41. Connecting block; 42. First connecting rod; 43. Second connecting rod; 44. Threaded rod; 441. Rotating wheel; 442. Connecting bearing; 45. Internal thread block; 5. Spraying assembly; 51. Water inlet pipe; 52. Water inlet valve; 53. Regulating valve; 54. Spraying pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-4 The utility model provides a technical solution: a road engineering pavement slitting device, including a support assembly 1, a moving assembly 2, a slitting assembly 3 and a depth adjustment assembly 4. The support assembly 1 includes a support frame 11, a moving assembly 2 is provided at the lower end of the support frame 11, a slitting assembly 3 is provided inside the support frame 11, a spray assembly 5 is provided at the lower end of the slitting assembly 3, and the rear end of the slitting assembly 3 is connected to the depth adjustment assembly 4. The slitting assembly 3 includes a slitting base 31, and the lower right end of the slitting base 31 is connected to the support frame 11 through a rotating support rod 34. The depth adjustment assembly 4 includes a connecting block 41, the connecting block 41 is fixed to the lower side of the rear end of the slitting base 31, the lower end of the connecting block 41 is movably connected to a first connecting rod 42, the right side of the first connecting rod 42 is movably linked to a second connecting rod 43, the rear side of the second connecting rod 43 is connected to a threaded rod 44 through a connecting bearing 442, and the threaded rod 44 is rotatably mounted inside the internal thread block 45, and a support cover 12 is fixed to the right side of the support frame 11, and the internal thread block 45 is fixed to the upper end of the support cover 12;

[0021] In actual use, the spiral transmission mechanism of the threaded rod 44 and the internal threaded block 45 in the depth adjustment assembly 4 rotates the threaded rod 44 to pull the first connecting rod 42 and the second connecting rod 43, thereby changing the inclination angle of the slitting assembly 3. By laying the slitting assembly 3 horizontally, the center of gravity of the entire device during transportation is significantly lowered, effectively reducing the instability of the transport vehicle and reducing the risk of rollover or loss of control in situations such as sharp turns and emergency braking, thereby improving transportation safety.

[0022] Two sets of handrails 13 are fixed to the rear end of the support frame 11. The handrails 13 are telescopic structures. Push handrails 14 are fixed to the upper ends of the two sets of handrails 13. By retracting the handrails 13, the overall height of the device can be significantly reduced, thereby saving space and improving transportation efficiency and storage convenience.

[0023] A limit bolt 131 is provided on the outer side of the handrail bar 13. By rotating the limit bolt 131, it can be brought into contact with the limit groove or support structure inside the handrail bar 13, thereby locking the handrail bar 13 at a specific height to prevent it from accidentally sliding or changing height during use.

[0024] The moving component 2 includes a guide wheel 21 and a rear wheel 22. The guide wheel 21 is installed at the front end of the support frame 11, and the rear wheel 22 is installed on the lower side of the rear end of the support frame 11. The guide wheel 21 is larger than the rear wheel 22. The main function of the guide wheel 21 is to guide the entire device to maintain straight movement during the cutting process.

[0025] A driving device 32 is provided at the upper end of the slitting base 31, and a slitting wheel 33 is installed at the lower end of the slitting base 31. The driving device 32 is connected to the slitting wheel 33. The connection between the driving device 32 and the slitting wheel 33 realizes effective transmission from the power source to the cutting component. Through the drive of the driving device 32, the slitting wheel 33 can cut the road surface according to the preset trajectory and depth.

[0026] The spray assembly 5 includes a water inlet pipe 51, which is fixed at the lower end of the support cover 12. A spray pipe 54 is connected to the left side of the water inlet pipe 51, and the spray pipe 54 is fixed at the lower end of the support frame 11. Through the synergistic effect of the water inlet pipe 51 and the spray pipe 54, the cooling, dust removal and protection of the cutting area are achieved during the cutting process.

[0027] An inlet valve 52 is installed on the right side of the water inlet pipe 51, and a regulating valve 53 is installed on the left side of the water inlet valve 52. The water inlet valve 52 and the regulating valve 53 improve the convenience and flexibility of operation, realize the control of water flow, and help to achieve the best spraying effect.

[0028] A rotating wheel 441 is fixed to the right side of the threaded rod 44. By rotating the rotating wheel 441, the threaded rod 44 can be driven to rotate in the internal thread block 45, and then the precise adjustment of the inclination angle of the slitting assembly 3 can be achieved through the thread transmission mechanism.

[0029] As an embodiment of the present utility model: when transporting the road engineering pavement cutting device, first, by rotating the wheel 441, the threaded rod 44 can be driven to rotate in the internal threaded block 45, and by rotating the threaded rod 44, the first connecting rod 42 and the second connecting rod 43 are pulled to change the inclination angle of the cutting assembly 3. By laying the cutting assembly 3 horizontally, the center of gravity of the entire device during transportation is significantly lowered, effectively reducing the instability of the transport vehicle, and reducing the risk of rollover or loss of control in situations such as sharp turns and emergency braking, thereby improving the safety of transportation.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road engineering pavement slitting device, comprising a support assembly (1), a moving assembly (2), a slitting assembly (3) and a depth adjustment assembly (4), wherein the support assembly (1) comprises a support frame (11), and is characterized in that: The lower end of the support frame (11) is provided with a moving component (2), the interior of the support frame (11) is provided with a slitting component (3), the lower end of the slitting component (3) is provided with a spray component (5), and the rear end of the slitting component (3) is connected to a depth adjustment component (4); The slitting assembly (3) includes a slitting base (31), the lower right end of the slitting base (31) is connected to the support frame (11) through a rotating support rod (34), the depth adjustment assembly (4) includes a connecting block (41), the connecting block (41) is fixed to the lower side of the rear end of the slitting base (31), the lower end of the connecting block (41) is movably connected to a first connecting rod (42), the right side of the first connecting rod (42) is movably linked to a second connecting rod (43), the rear side of the second connecting rod (43) is connected to a threaded rod (44) through a connecting bearing (442), the threaded rod (44) is rotatably mounted inside an internal thread block (45), a support cover (12) is fixed to the right side of the support frame (11), and the internal thread block (45) is fixed to the upper end of the support cover (12).

2. A road engineering pavement cutting device according to claim 1, characterized in that: Two groups of handrails (13) are fixed to the rear end of the support frame (11), the handrails (13) are telescopic structures, and push handrails (14) are fixed to the upper ends of the two groups of handrails (13).

3. A road engineering pavement cutting device according to claim 2, characterized in that: A limiting bolt (131) is provided on the outer side of the handrail rod (13).

4. A road engineering pavement cutting device according to claim 1, characterized in that: The moving assembly (2) comprises a guide wheel (21) and a rear wheel (22); the guide wheel (21) is installed at the front end of the support frame (11); the rear wheel (22) is installed at the lower side of the rear end of the support frame (11); and the guide wheel (21) is larger than the rear wheel (22).

5. The road engineering pavement cutting device according to claim 1, characterized in that: The upper end of the slitting base (31) is provided with a driving device (32), the lower end of the slitting base (31) is provided with a slitting wheel (33), and the driving device (32) is connected to the slitting wheel (33).

6. A road engineering pavement cutting device according to claim 1, characterized in that: The spray assembly (5) includes a water inlet pipe (51), which is fixed to the lower end of the support cover (12). The left side of the water inlet pipe (51) is connected to a spray pipe (54), which is fixed to the lower end of the support frame (11).

7. A road engineering pavement cutting device according to claim 6, characterized in that: A water inlet valve (52) is installed on the right side of the water inlet pipe (51), and a regulating valve (53) is installed on the left side of the water inlet valve (52).

8. The road engineering pavement cutting device according to claim 1, characterized in that: A rotating wheel (441) is fixed to the right side of the threaded rod (44).

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