CN211340346U - A device for grooving pavement by water cutting - Google Patents

Abstract

A device for grooving road surface by water cutting, comprising a truck, a cutting width adjusting mechanism, a cutting mechanism and a moving mechanism; the cutting width adjusting mechanism and the cutting mechanism are both arranged on the truck, and the moving mechanism is arranged at the bottom of the truck; In the water cutting mechanism, the water and the abrasive are mixed by the pre-mixing method. When the high-pressure water passes through the abrasive mixing box, the above abrasive is brought into the lower part of the box. This method is mixed at a low speed, and the abrasive particles are more likely to enter the pipeline. Uniform abrasive jet beam, good cutting effect and high efficiency.

Description

A device for grooving pavement by water cutting

technical field

The utility model belongs to the field of construction machinery, in particular to a device for grooving a road surface by water cutting.

Background technique

With the development of industry, the traffic volume continues to increase, the diseases of the road surface also increase, and there are more and more highway reconstruction and expansion projects. Among them, the most critical part of the repair process after local damage to the cement concrete pavement is how to quickly and efficiently remove the damaged part without damaging the surrounding undamaged pavement. Mechanical crushing methods are generally used, such as impactor crushing, hammer smashing, saw blade cutting, etc. These traditional maintenance methods not only cause high labor intensity and poor working environment for the operator, but also may cause the surrounding intact concrete to be damaged. The main pavement produces micro-cracks, which aggravate the damage of the entire concrete pavement. In addition, these traditional maintenance methods have problems in many aspects such as environmental protection requirements, maintenance quality, energy utilization, etc., so new maintenance methods and maintenance equipment are required.

Utility model content

The purpose of the present invention is to provide a device for grooving the road surface by water cutting, so as to solve the above problems.

To achieve the above object, the utility model adopts the following technical solutions;

A device for grooving a road surface by water cutting, comprising a truck, a cutting width adjustment mechanism, a cutting mechanism and a moving mechanism; the cutting width adjustment mechanism and the cutting mechanism are both arranged on the truck, and the moving mechanism is arranged at the bottom of the truck;

The cutting mechanism includes a jet cutting head, a jetting material pool and a conveying pipe; the two jetting cutting heads are arranged on the cutting width adjustment mechanism, the jetting material pool is arranged on the upper surface of the truck, and the jetting material pool is connected to the two jetting cutting heads through the conveying pipe;

The cutting width adjustment mechanism includes a hydraulic device, a hydraulic cylinder and a fixed plate; the fixed plate is arranged on the moving mechanism, two hydraulic cylinders in opposite directions are arranged on the fixed plate, and the jet cutting head is arranged at the end of the hydraulic cylinder; the hydraulic device is connected with the hydraulic pressure cylinder.

Further, the injection material pool includes a booster tank, a water tank and an abrasive mixing tank; the booster and the water tank are arranged on the upper surface of the truck, the water tank is connected to the abrasive mixing tank through a pipeline, and the bottom of the abrasive mixing tank is connected to the supercharger; the abrasive mixing tank is divided into two parts. It consists of two layers, the upper layer is equipped with mixed materials, the lower layer is a mixing chamber, and the water tank is connected to the upper layer; the bottom of the mixing chamber is connected to a supercharger, and the mixing chamber is connected to the jet cutting head through a conveying pipe.

Further, the interior of the abrasive mixing box is divided into two layers by the partition plate, and the partition plate is provided with holes.

Further, the hydraulic device includes an oil tank, a hydraulic pump, an oil pipe and a hydraulic valve; the oil tank is arranged on the upper surface of the vehicle, the hydraulic pump is connected to the oil tank, the outlet of the hydraulic pump is connected to an oil pipe, the oil pipe is provided with a hydraulic valve, and the oil tank is connected to the hydraulic cylinder through the oil pipe.

Further, the moving mechanism includes a rail and a slider, two parallel rails are arranged at the bottom of the carrier, and both ends of the slider are arranged in the rails; a fixing plate is arranged on the slider; the fixing plate is fixedly connected by bolts.

Further, the oil pipe and the conveying pipe are bundled together by a clip.

Compared with the prior art, the utility model has the following technical effects:

The utility model relates to a device for grooving concrete pavement by water cutting, which completes the grooving of concrete pavement by arranging a power transmission mechanism, a hydraulic mechanism and a water cutting mechanism on a carrier. The power transmission mechanism provides power for the hydraulic mechanism and the water cutting mechanism. As the carrier of the device of the utility model, the trolley is easy to move and can reach the construction site at any time, saving time and improving work efficiency; the hydraulic mechanism is convenient to operate and control, and can realize the stepless speed regulation of the horizontal spacing and stable transmission; There will be no cracks on the road surface, and the surrounding undamaged road surface will not be damaged when removing the damaged part, and the medium of water cutting is water and abrasive, so little dust is generated during the cutting process and will not pollute the atmosphere; water cutting It belongs to non-contact cutting and will not cause tool wear problems.

Further, in the water cutting mechanism, the water and the abrasive are mixed by the pre-mixing method, and the high-pressure water enters the lower part of the box with the above abrasive when passing through the abrasive mixing box. In this way, the mixing is carried out at a low speed, and the abrasive particles are easier to enter. pipeline, forming a uniform abrasive jet beam, with good cutting effect and high efficiency.

Further, the fixed plate on the slider is connected by bolts, which can rotate the angle, and can drive the hydraulic cylinder and the jet cutting head to rotate, which is another way to adjust the horizontal cutting distance.

Further, hydraulic oil can be fed in and out of the hydraulic cylinder only to one side to adjust the transverse cutting distance, thereby improving efficiency.

Further, the jet cutting head is replaceable according to the required diameter of the jet opening to meet various road cutting requirements.

Further, double-row operations can be performed to improve operation efficiency.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Figure 2 is a partial bottom view of the utility model.

Among them: 1. Motor; 2. Hydraulic pump; 3. Hydraulic valve; 4. Oil tank; 5. Oil pipe; 6. Delivery pipe; 7. Buckle; 8. Track; ; 11. Hydraulic cylinder; 12. Truck; 13. Supercharger; 14. Water tank; 15. Abrasive mixing box; 16. Slider.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

Please refer to FIGS. 1 and 2 , a device for grooving a road surface by water jet cutting, which is characterized in that it includes a carrier 12, a cutting width adjustment mechanism, a cutting mechanism and a moving mechanism; the cutting width adjustment mechanism and the cutting mechanism are both arranged in On the carriage 12, the moving mechanism is arranged at the bottom of the carriage 12;

The cutting mechanism includes a jet cutting head 10, a jetting material pool and a conveying pipe 6; the two jetting cutting heads 10 are arranged on the cutting width adjustment mechanism, the jetting material pool is arranged on the upper surface of the truck, and the jetting material pool is connected by the conveying pipe 6 to the two jet cutting head 10;

The cutting width adjustment mechanism includes a hydraulic device, a hydraulic cylinder 11 and a fixed plate 9; The end; the hydraulic device is connected to the hydraulic cylinder 11.

The injection material pool includes a booster tank 13, a water tank 14 and an abrasive mixing box 15; the booster 13 and the water tank 14 are arranged on the upper surface of the truck 12, the water tank is connected to the abrasive mixing box 15 through pipes, and the bottom of the abrasive mixing box 15 is connected to the booster 13; The abrasive mixing box 15 is divided into two layers, the upper layer is provided with mixed materials, the lower layer is a mixing chamber, and the water tank 14 is connected to the upper layer;

The interior of the abrasive mixing box 15 is divided into two layers up and down by a partition plate, and the partition plate is provided with holes.

The hydraulic device includes an oil tank 4, a hydraulic pump 2, an oil pipe and a hydraulic valve 3; the oil tank 4 is arranged on the upper surface of the vehicle, the hydraulic pump 2 is connected to the oil tank 4, the outlet of the hydraulic pump is connected to an oil pipe 5, and the oil pipe 5 is provided with a hydraulic valve, and the oil tank passes through the oil pipe 5 Connect the hydraulic cylinder 11.

The moving mechanism includes a rail 8 and a slider 16, two parallel rails 8 are arranged at the bottom of the carriage 12, and both ends of the slider 16 are arranged in the rail 8; the fixed plate 9 is arranged on the slider 16; the fixed plate 9 is Bolted connection.

The oil pipe 5 and the delivery pipe 6 are bundled together by the clip 7 .

The utility model discloses a water-cutting concrete device, which comprises four parts: a vehicle, a power transmission mechanism, a hydraulic mechanism and a water-cutting mechanism. The carriage 12 is used as the carrying part, and the rails 8, the sliders 16, the hydraulic cylinders 11, the jet cutting head 10 and other devices for cutting work are placed on the bottom of the car, and the rest of the devices are placed on the carriage.

The power transmission mechanism includes a motor 1 , a rail 8 , and a slider 16 . The motor 1 provides power to the slider 16 to make it move longitudinally along the track 8 to complete the longitudinal cutting work.

The hydraulic mechanism includes a hydraulic pump 2 , a hydraulic valve 3 , an oil tank 4 , and a hydraulic cylinder 11 . When the horizontal cutting distance needs to be adjusted, the hydraulic pump 2 draws hydraulic oil from the oil tank 4 into the hydraulic cylinder 11 through the hydraulic valve 3 and the oil pipe 5, adjusts the position of the extension rod of the hydraulic cylinder 11 and then adjusts the position of the jet cutting head 10. Adjustment of transverse cutting distance.

The water cutting mechanism includes a booster 13 , a water tank 14 , an abrasive mixing tank 15 , and a conveying pipe 6 . The abrasive and pure water are mixed by the method of pre-mixing, the pure water in the water tank 14 is pumped into the upper layer of the abrasive mixing box 15, and the water flow carries the abrasive into the lower layer from the small hole in the middle divided layer of the mixed abrasive box 15, and the abrasive is made of garnet sand. Then use the supercharger 13 to pressurize the mixture of abrasive and water in the lower layer of the abrasive mixing box 15, which can reach 300MPa or even 600MPa; then transport the high-pressure mixture to the jet cutting head 10 through the delivery pipe 6 for water cutting work; According to different road surfaces, the required pressure of the mixed liquid is different, and the pressure of the mixed liquid at the outlet of the jet cutting head 10 can be adjusted by the booster 13 to meet the requirements.

When using the water cutting concrete device, drive the truck 12 to the construction site where the road surface needs to be cut. Referring to FIG. 2, first move the slider 16 along the track to one end of the road surface to be cut, and use the hydraulic mechanism to move the double-row jet cutting head 10 is adjusted to the required position, and then the cutting mechanism is started, and the high-pressure mixed liquid ejected from the jet cutting head 10 forms a water jet to start cutting the damaged road surface. At the same time, the slider 16 drives the cutting head 10 to move longitudinally along the track, so that The double drainage knife can complete the longitudinal cutting on the road surface. If the distance to be cut in the longitudinal direction is too long, the truck 12 can continue to travel in the longitudinal direction to meet the cutting requirements;

The hydraulic cylinder 11 enters and exits oil to adjust the distance between the extension rods of the hydraulic cylinders at both ends to complete the transverse cutting of the road surface. Since the two hydraulic cylinders are independent of each other, the transverse cutting can also be completed by entering and exiting only one of the hydraulic cylinders; the longitudinal and transverse cutting is completed. That is, the grooving work of the damaged road surface is completed.

The fixed plate 9 is a rotary type. When a smaller horizontal cutting distance is required, the extension rod of the hydraulic cylinder 11 is retracted to the minimum distance, and then the fixed plate 9 is rotated to drive the cutting head to rotate to change the horizontal distance between the two cutting heads 10 to meet the requirements. Require.

When the truck 12 is in transition or stops working, the water cutting mechanism is cut off first, and then the hydraulic mechanism and the power mechanism are cut off.

Claims (6)

1. A device for grooving a pavement by water cutting is characterized by comprising a vehicle carrier (12), a cutting width adjusting mechanism, a cutting mechanism and a moving mechanism; the cutting width adjusting mechanism and the cutting mechanism are both arranged on the vehicle carrier (12), and the moving mechanism is arranged at the bottom of the vehicle carrier (12);

the cutting mechanism comprises a jet cutting head (10), a jet material pool and a conveying pipe (6); the two jet cutting heads (10) are arranged on the cutting width adjusting mechanism, the jet material pool is arranged on the upper surface of the vehicle carrier, and the jet material pool is connected with the two jet cutting heads (10) through a conveying pipe (6);

the cutting width adjusting mechanism comprises a hydraulic device, a hydraulic cylinder (11) and a fixing plate (9); the fixed plate (9) is arranged on the moving mechanism, two hydraulic cylinders (11) with opposite directions are arranged on the fixed plate (9), and the jet cutting head (10) is arranged at the end part of the hydraulic cylinders (11); the hydraulic device is connected with a hydraulic cylinder (11).

2. A device for cutting a pavement with water according to claim 1, wherein the jet material pool comprises a booster (13), a water tank (14) and an abrasive mixing box (15); the booster (13) and the water tank (14) are arranged on the upper surface of the carrier vehicle (12), the water tank is connected with the abrasive mixing box (15) through a pipeline, and the bottom of the abrasive mixing box (15) is connected with the booster (13); the grinding material mixing box (15) is divided into two layers, the upper layer is provided with mixed materials, the lower layer is a mixing cavity, and the water tank (14) is connected with the upper layer; the bottom of the mixing cavity is connected with a supercharger, and the mixing cavity is connected with a jet cutting head (10) through a delivery pipe (6).

3. A device for cutting grooves into roads by water cutting as claimed in claim 2, wherein the inside of the abrasive mixing box (15) is divided into two layers up and down by a partition plate, and holes are provided on the partition plate.

4. A device for cutting a pavement with water according to claim 1, characterized in that the hydraulic device comprises an oil tank (4), a hydraulic pump (2), an oil pipe and a hydraulic valve (3); the oil tank (4) is arranged on the upper surface of the vehicle, the hydraulic pump (2) is connected with the oil tank (4), the outlet of the hydraulic pump is connected with the oil pipe (5), the hydraulic valve is arranged on the oil pipe (5), and the oil tank is connected with the hydraulic cylinder (11) through the oil pipe (5).

5. The device for grooving the road surface by water cutting is characterized in that the moving mechanism comprises a track (8) and a slide block (16), the two parallel tracks (8) are arranged at the bottom of the vehicle (12), and two ends of the slide block (16) are arranged in the tracks (8); the fixed plate (9) is arranged on the slide block (16); the fixing plate (9) is fixedly connected with the bolt.

6. A device for cutting a pavement with water according to claim 4, characterized in that the oil pipe (5) and the delivery pipe (6) are bound together by means of a snap (7).

Images