Pavement joint cutting device for highway construction

Abstract

The utility model relates to the technical field of pavement joint cutting, in particular to a pavement joint cutting device for highway construction, which comprises a support frame, threaded sleeves are rotatably connected to two sides of the middle of the top surface of the support frame, driven worm gears are fixedly connected to the tops of the outer walls of the two threaded sleeves, and a driving worm is rotatably connected to one side of the middle of the top surface of the support frame. The two sides of the driving worm are in engaged connection with the two driven worm wheels at the same time, and the inner walls of the two threaded sleeves are in threaded connection with lead screws. Compared with the prior art, the cutting machine has the advantages that the driving worm rotates and drives the two threaded sleeves to rotate at the same time, then the two lead screws are driven to press downwards, the lifting frame is pressed downwards, the thrust spring is pushed by the lifting frame, then the thrust spring is pressed downwards to the ground, the cutting machine is covered, and the cutting machine is driven to rotate along with continuous pressing. During cutting, due to the fact that the cutting wheel is covered, flying dust, impurities and the like can be prevented from splashing out, and the working environment during cutting is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pavement cutting, in particular to a pavement cutting device for highway construction. Background Art

[0002] In highway bridge projects, in order to adapt to the temperature changes of concrete expansion and contraction, it is necessary to cut the concrete pavement after pouring, which requires the use of pavement cutting devices for cutting. However, keeping the cut vertical is the key to cutting, and it is easy to generate dust during the cutting operation, which affects the surrounding environment.

[0003] In Chinese utility model CN219793586U, a concrete pavement slit cutting device for highway bridge construction is disclosed. The concrete pavement slit cutting device for highway bridge construction has the slit cutting mechanism, the cleaning structure and the storage box arranged in sequence from front to back. After the slit cutting mechanism is finished, the cleaning mechanism can clean the debris at the slit, and the garbage enters the storage box, so that the slit can be cleaned and the garbage can be stored during the cutting operation, and the slit and both sides thereof can be kept clean, thereby improving the construction operation efficiency. However, the concrete pavement slit cutting device for highway bridge construction still has the following problems in use:

[0004] Although the concrete pavement cutting device used in highway bridge construction clears the garbage by sweeping, it lacks protection during cutting, and the mud thrown out by the cutting wheel is discharged and splashed, causing mud to splash around and affecting the working environment. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a road surface cutting device for highway construction to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a pavement cutting device for highway construction, including a support frame, both sides of the middle part of the top surface of the support frame are rotatably connected with threaded sleeves, the tops of the outer walls of the two threaded sleeves are fixedly connected with driven worm gears, one side of the middle part of the top surface of the support frame is rotatably connected with a driving worm, both sides of the driving worm are meshed with two driven worm gears at the same time, the inner walls of the two threaded sleeves are threadedly connected with screws, the bottom ends of the two screws are commonly fixedly connected with a lifting frame, the middle part of the top surface of the lifting frame is fixedly connected with a cutting machine, and the cutting machine The bottom of the cutting wheel protrudes from the center of the bottom surface of the lifting frame, the middle of the bottom surface of the support frame is fixedly connected with a corrugated telescopic cover, the bottom of the corrugated telescopic cover is fixedly connected with a brush plate frame, the middle of both sides of the top surface of the brush plate frame are fixedly connected with guide bars, the two guide bars respectively pass through both sides of the lifting frame and are slidably connected with the lifting frame, the bottom of the outer walls of the two guide bars are sleeved with thrust springs, the thrust springs are located between the top surface of the brush plate frame and the bottom surface of the lifting frame, the tops of the two guide bars are fixedly connected with baffles, the bottom surface of the brush plate frame is fixedly connected with a plurality of bristles, and the corrugated telescopic cover completely covers the outside of the lifting frame.

[0008] Preferably, any of the above schemes is that a support frame is fixedly connected to the middle of the top surface of the support frame, a water supply tank is fixedly connected to one side of the top surface of the support frame, a water supply pump is fixedly connected to one side of the top surface of the support frame, the suction end of the water supply pump is fixedly connected and communicated with the inner wall of the water supply tank, the output end of the water supply pump penetrates into the bottom surface of the support frame, the output end of the water supply pump is fixedly connected to a bamboo joint universal nozzle, and the output end of the bamboo joint universal nozzle corresponds to one side of the cutting wheel of the cutting machine.

[0009] The technical effect achieved by adopting the above scheme is: the bamboo-jointed universal nozzle is convenient for aligning the nozzle with the cutting wheel of the cutting machine, and high-pressure water flow can be directed to the cutting gap to flush out impurities in the gap while achieving cooling.

[0010] Preferably, any of the above schemes has universal wheels fixedly connected to the four corners of the bottom surface of the support frame, and a push handle fixedly connected to one side of the top surface of the support frame.

[0011] The technical effect achieved by adopting the above solution is that the handle and the universal wheel can be pushed and moved flexibly.

[0012] Preferably, any of the above schemes is provided with a connecting ear on the top of the support frame, the driving worm is rotatably connected to the support frame via the connecting ear, a driving motor is fixedly connected to one side of the connecting ear, and the output end of the driving motor is fixedly connected to one end of the driving worm.

[0013] The technical effect achieved by adopting the above solution is: the driving motor can drive the driving worm, so that the driving worm can drive the two threaded sleeves to rotate at the same time.

[0014] Preferably, from any of the above schemes, the length of the screw rod is greater than the sum of the height of the support frame and the height of the universal wheel, and the length of the fully extended corrugated telescopic cover is greater than the sum of the height of the support frame and the height of the universal wheel.

[0015] The technical effect achieved by adopting the above solution is that the corrugated telescopic cover can be completely pulled down to cover the cutting position.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] The road surface cutting device for highway construction is provided with a driving worm to rotate and simultaneously drive two threaded sleeves to rotate, thereby driving two screws to press down, so that the lifting frame is pressed down, so that the lifting frame pushes the thrust spring, and then the thrust spring is first pressed down to the ground, so that the cutter is covered, and as the downward pressure continues, the cutting wheel of the cutter can be pressed down to the ground for cutting. When cutting, the cutting wheel is covered to prevent flying dust and impurities from splashing out, thereby improving the working environment during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0021] In the figure: 1-support frame, 2-threaded sleeve, 3-driven worm gear, 4-screw, 5-support frame, 6-water supply tank, 7-driving worm, 8-driving motor, 9-pushing handle, 10-universal wheel, 11-brush plate frame, 12-water supply pump, 13-corrugated telescopic cover, 14-guide bar, 15-baffle, 16-thrust spring, 17-lifting frame, 18-cutting machine, 19-bamboo universal nozzle. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] Embodiment 1: Figures 1 to 3As shown, a road surface cutting device for highway construction includes a support frame 1, both sides of the middle part of the top surface of the support frame 1 are rotatably connected with threaded sleeves 2, the tops of the outer walls of the two threaded sleeves 2 are fixedly connected with driven worm wheels 3, one side of the middle part of the top surface of the support frame 1 is rotatably connected with a driving worm 7, both sides of the driving worm 7 are meshed with the two driven worm wheels 3 at the same time, the inner walls of the two threaded sleeves 2 are threadedly connected with screw rods 4, the bottom ends of the two screw rods 4 are fixedly connected with a lifting frame 17, the middle part of the top surface of the lifting frame 17 is fixedly connected with a cutting machine 18, and the bottom of the cutting wheel of the cutting machine 18 protrudes from the center of the bottom surface of the lifting frame 17 A corrugated telescopic cover 13 is fixedly connected to the middle of the bottom surface of the supporting frame 1, a brush plate frame 11 is fixedly connected to the bottom of the corrugated telescopic cover 13, guide bars 14 are fixedly connected to the middle of both sides of the top surface of the brush plate frame 11, the two guide bars 14 respectively pass through both sides of the lifting frame 17 and are slidably connected to the lifting frame 17, thrust springs 16 are sleeved on the bottom of the outer walls of the two guide bars 14, the thrust springs 16 are located between the top surface of the brush plate frame 11 and the bottom surface of the lifting frame 17, baffles 15 are fixedly connected to the top of the two guide bars 14, a number of bristles are fixedly connected to the bottom surface of the brush plate frame 11, and the corrugated telescopic cover 13 completely covers the outside of the lifting frame 17.

[0024] As an optional technical solution of the utility model, a support frame 5 is fixedly connected to the middle of the top surface of the support frame 1, a water supply tank 6 is fixedly connected to one side of the top surface of the support frame 5, a water supply pump 12 is fixedly connected to one side of the top surface of the support frame 5, the suction end of the water supply pump 12 is fixedly connected and communicated with the inner wall of the water supply tank 6, the output end of the water supply pump 12 penetrates into the bottom surface of the support frame 1, and the output end of the water supply pump 12 is fixedly connected to a bamboo joint universal nozzle 19, the output end of the bamboo joint universal nozzle 19 corresponds to one side of the cutting wheel of the cutting machine 18, and the bamboo joint universal nozzle 19 is convenient for aligning the nozzle with the cutting wheel of the cutting machine 18, so that high-pressure water flow can be rushed to the cutting gap while cooling is achieved to flush out impurities in the gap.

[0025] As an optional technical solution of the present invention, the four corners of the bottom surface of the support frame 1 are fixedly connected with universal wheels 10, and one side of the top surface of the support frame 1 is fixedly connected with a pushing handle 9, which is convenient for flexible pushing and moving positions through the pushing handle 9 and the universal wheel 10.

[0026] As an optional technical solution of the utility model, a connecting ear is provided on the top of the supporting frame 1, and the driving worm 7 is rotatably connected to the supporting frame 1 through the connecting ear. A driving motor 8 is fixedly connected to one side of the connecting ear, and the output end of the driving motor 8 is fixedly connected to one end of the driving worm 7. The driving motor 8 can drive the driving worm 7, so that the driving worm 7 can drive the two threaded sleeves 2 to rotate at the same time.

[0027] As an optional technical solution of the utility model, the length of the screw rod 4 is greater than the sum of the height of the support frame 1 and the height of the universal wheel 10, and the length of the corrugated telescopic cover 13 when fully pulled out is greater than the sum of the height of the support frame 1 and the height of the universal wheel 10, so that the corrugated telescopic cover 13 can be completely pulled down to cover the cutting position.

[0028] A road surface cutting device for highway construction, the working principle is as follows:

[0029] 1) By setting a driving worm 7 to rotate, the two threaded sleeves 2 are driven to rotate at the same time, thereby driving the two screw rods 4 to press down;

[0030] 2) The lifting frame 17 is pressed down, so that the lifting frame 17 pushes the thrust spring 16, and then the thrust spring 16 is pressed down to the ground first, so that the cutting machine 18 is covered;

[0031] 3) As the pressure continues to be pressed down, the cutting wheel of the cutting machine 18 can be pressed down to the ground for cutting. During cutting, the cutting wheel is covered to prevent flying dust and impurities from splashing out, thereby improving the working environment during cutting.

[0032] To sum up, the road surface cutting device for highway construction is configured to drive the worm 7 to rotate and simultaneously drive the two threaded sleeves 2 to rotate, thereby driving the two screws 4 to press down, so that the lifting frame 17 is pressed down, so that the lifting frame 17 pushes the thrust spring 16, and then the thrust spring 16 is first pressed down to the ground, so that the cutter 18 is covered, and as the downward pressure continues, the cutting wheel of the cutter 18 can be pressed down to the ground for cutting. During cutting, the cutting wheel is covered to prevent flying dust and impurities from splashing out, thereby improving the working environment during cutting.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road surface cutting device for highway construction, characterized in that: The invention comprises a support frame (1), wherein both sides of the middle part of the top surface of the support frame (1) are rotatably connected with threaded sleeves (2), the tops of the outer walls of the two threaded sleeves (2) are fixedly connected with driven worm wheels (3), one side of the middle part of the top surface of the support frame (1) is rotatably connected with a driving worm (7), both sides of the driving worm (7) are meshedly connected with the two driven worm wheels (3), the inner walls of the two threaded sleeves (2) are threadedly connected with screw rods (4), the bottom ends of the two screw rods (4) are fixedly connected with a lifting frame (17), the middle part of the top surface of the lifting frame (17) is fixedly connected with a cutting machine (18), the bottom of the cutting wheel of the cutting machine (18) protrudes from the center of the bottom surface of the lifting frame (17), and the bottom of the support frame (1) is fixedly connected with a cutting machine (18). A corrugated telescopic cover (13) is fixedly connected to the middle of the surface, a brush plate frame (11) is fixedly connected to the bottom of the corrugated telescopic cover (13), and guide bars (14) are fixedly connected to the middle of both sides of the top surface of the brush plate frame (11). The two guide bars (14) respectively penetrate the two sides of the lifting frame (17) and are slidably connected to the lifting frame (17). The bottom of the outer wall of the two guide bars (14) is sleeved with a thrust spring (16), and the thrust spring (16) is located between the top surface of the brush plate frame (11) and the bottom surface of the lifting frame (17). The top ends of the two guide bars (14) are fixedly connected to a baffle (15), and the bottom surface of the brush plate frame (11) is fixedly connected to a plurality of bristles. The corrugated telescopic cover (13) completely covers the outside of the lifting frame (17).

2. A road surface cutting device for highway construction according to claim 1, characterized in that: A support frame (5) is fixedly connected to the middle of the top surface of the support frame (1), a water supply box (6) is fixedly connected to one side of the top surface of the support frame (5), a water supply pump (12) is fixedly connected to one side of the top surface of the support frame (5), a suction end of the water supply pump (12) is fixedly connected to and communicates with the inner wall of the water supply box (6), an output end of the water supply pump (12) penetrates into the bottom surface of the support frame (1), a bamboo joint universal nozzle (19) is fixedly connected to the output end of the water supply pump (12), and the output end of the bamboo joint universal nozzle (19) corresponds to one side of the cutting wheel of the cutting machine (18).

3. A road surface cutting device for highway construction according to claim 2, characterized in that: Universal wheels (10) are fixedly connected to the four corners of the bottom surface of the support frame (1), and a push handle (9) is fixedly connected to one side of the top surface of the support frame (1).

4. A road surface cutting device for highway construction according to claim 3, characterized in that: A connecting ear is provided at the top of the support frame (1), and the driving worm (7) is rotatably connected to the support frame (1) via the connecting ear. A driving motor (8) is fixedly connected to one side of the connecting ear, and an output end of the driving motor (8) is fixedly connected to one end of the driving worm (7).

5. A road surface cutting device for highway construction according to claim 4, characterized in that: The length of the screw rod (4) is greater than the sum of the height of the support frame (1) and the height of the universal wheel (10), and the length of the fully extended corrugated telescopic cover (13) is greater than the sum of the height of the support frame (1) and the height of the universal wheel (10).

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