Excavation-suction vehicle

Abstract

The present application relates to the technical field of petroleum equipment, in particular to a digging and sucking vehicle. The vehicle comprises a vehicle body, a vacuum tank rotatably arranged on the vehicle body, a blocking plate arranged at the rear end of the vacuum tank and capable of being opened and closed, a vacuum pump arranged on the vehicle body and in communication with the vacuum tank, a driving cylinder arranged between the vehicle body and the vacuum tank, a boom rotatably arranged at the upper end of the vacuum tank, and a suction pipe supported and suspended by the boom and in communication with the vacuum tank. The suction pipe is provided with a sewage suction head at the tail end. The sewage suction head comprises a pipeline assembly arranged at the lower end of the suction pipe, and a rotatable rotating arm arranged in the pipeline assembly. The pipeline assembly comprises a pipe barrel fixedly connected with the suction pipe, a rotating arm rotatably arranged on the inner wall of the pipe barrel, and a motor arranged on the outer wall of the pipe barrel and used for driving the rotating arm. The lower end of the rotating arm is provided with a liftable rotating pipe. The vehicle is efficient and rapid in tank cleaning operation and can effectively prevent blockage.

Description

Technical Field

[0001] This invention relates to the field of petroleum equipment technology, specifically to an excavator and suction truck. Background Technology

[0002] The mud tank is a core piece of equipment in drilling operations, primarily used for storing and transporting drilling mud. During oil drilling, although the solid-liquid mixture returned from the wellbore is treated by a purification system to remove most of the cuttings, a small amount of residue continues to settle at the bottom of the tank. As the operation progresses, these residues gradually accumulate, forming a sediment buildup at the bottom of the tank. The presence of this sediment buildup not only significantly reduces the effective volume of the tank but also increases its overall weight.

[0003] Therefore, to maintain tank efficiency and reduce risks, tank cleaning is required after each well is completed and before equipment relocation. Sometimes, even during the drilling process of a single well, 1-2 additional tank cleaning operations are necessary. Currently, the commonly used tank cleaning method is manual cleaning: workers must enter the tank from the top inlet, use shovels and other tools to excavate the accumulated silt, and then transport it to the surface or mud pit. This method has significant drawbacks, including low cleaning efficiency and high operational safety risks. Summary of the Invention

[0004] In order to solve the technical problems existing in the background art, the present invention provides an excavation suction truck, which is efficient and rapid in tank cleaning operations and can effectively prevent blockage.

[0005] The technical solution adopted by this invention to solve its technical problem is: Excavator suction truck, including: Vehicle body; The vacuum tank is rotatably mounted on the vehicle body; A blocking plate, which can be opened and closed, is located at the rear end of the vacuum tank; A vacuum pump is mounted on the vehicle body and connected to a vacuum tank; The drive cylinder is located between the vehicle body and the vacuum tank; The boom is rotatably mounted on the upper end of the vacuum tank; The straw is supported and suspended by a boom and connected to the vacuum tank.

[0006] Furthermore, the end of the straw is equipped with a suction head, which includes: The pipe assembly is located at the lower end of the straw, and a rotatable arm is installed inside the pipe assembly.

[0007] Furthermore, the piping assembly includes: The tube is fixedly connected to the straw; A rotating arm is rotatably mounted on the inner wall of the tube. The motor is located on the outer wall of the tube and is used to drive the rotating arm.

[0008] Furthermore, the piping assembly also includes: The drive wheel is rotatably installed inside the tube and is driven by a motor; The driven wheel is rotatably installed inside the tube and is connected to the driving wheel via a drive mechanism; The rotating drum is installed inside the driven wheel and is sealed to the tube. The connecting seat is fixedly installed on the inside of the rotating drum, and the rotating arm is installed on the connecting seat.

[0009] Furthermore, the lower end of the swing arm is equipped with a liftable rotating tube.

[0010] Furthermore, the transfer of pipes includes: Pipe wall; Teeth are formed at the lower end of the tube wall; The guide groove is located on the inner side of the pipe wall and is slidably connected to the rotating arm.

[0011] Furthermore, the swing arm includes: arm plate; The inner cavity is located within the arm plate; The slider is slidably disposed in the inner cavity and is connected to the guide groove for transmission. A spring is positioned between the inner cavity and the slider.

[0012] Furthermore, the outer side of the inner cavity is sealed by a baffle, and the slider is connected to the guide groove by magnetic force.

[0013] Furthermore, a base assembly is provided at the lower end of the pipe assembly, the base assembly including: The base is located at the lower end of the tube. The screw conveyor shaft is rotatably mounted at the lower end of the base; A collection hole is located on the base and connected to the tube. The rotating tube is located at the lower end of the collection hole.

[0014] Furthermore, a guide plate is provided at the lower end of the base.

[0015] The beneficial effects of this invention are: (1) The vacuum tank adopts a flip-up structure design, which makes it easy to tilt the vacuum tank at a large angle when cleaning is required, and effectively use gravity to loosen and slide the internal sediment. At the same time, a special openable and closable plug is specially set at the rear end of the vacuum tank. During the cleaning operation, after tilting the vacuum tank to make the sediment gather in the outlet area, the sediment can be quickly and thoroughly discharged by opening this plug. (2) The boom can suspend the suction pipe, which makes it easy for the operator to flexibly adjust the position of the suction pipe and accurately insert it into the mud tank for cleaning operations.

[0016] (3) The rotating arm will rotate relative to the inner wall of the suction head. This rotation can effectively scrape, peel off and remove the deposits attached to the inner wall. It can prevent the deposits from accumulating on the inner wall and even clogging it, and ensure that the flow channel of the deposits from the suction head to the subsequent suction tube is always unobstructed.

[0017] (4) During rotation, the rotating arm can cut the sediment, breaking down the originally viscous, clump-like sediment into smaller units. The reduction in particle size reduces the overall viscous resistance of the sediment, enhancing its fluidity. This makes the sediment flow more smoothly and improves suction efficiency.

[0018] (5) The rotating pipe can rotate synchronously with the rotating arm, and the teeth at the lower end of the rotating pipe can cut into and loosen the silt, thereby achieving efficient cleaning operation.

[0019] (6) The adjustable rotating pipe can automatically adjust its working state according to the thickness of the silt. When the silt is thick, the lower end of the rotating pipe is inserted into the silt, and a gap is formed between the upper end of the rotating pipe and the collection hole. At this time, the silt can be sucked in simultaneously from the opening at the lower end of the rotating pipe and the gap between the upper end of the rotating pipe and the collection hole, significantly improving the silt suction efficiency and range. When the silt is thin, the rotating pipe is lifted by the inner wall of the mud tank, and the gap between the upper end of the rotating pipe and the collection hole is closed. In this state, the suction force at the lower end of the rotating pipe is concentrated and enhanced, which can more effectively suck the thin layer of silt directly into the lower end of the rotating pipe.

[0020] (7) When the spiral conveyor shaft built into the base assembly rotates, it can effectively remove the silt in the covered area and transport it to the collection hole. This design optimizes the collection path of the silt and significantly improves the work efficiency. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the suction head. Figure 4 This is an exploded view of the vacuum cleaner head; Figure 5 This is a structural diagram of the base assembly; Figure 6 This is a structural diagram of the pipe assembly; Figure 7 This is a cross-sectional view of the pipe assembly; Figure 8 This is a cross-sectional view of the rotating pipe; Figure 9This is an exploded view of the connection between the rotating tube and the rotating arm.

[0023] In the picture: 1. Vehicle body, 2. Vacuum pump, 3. Drive cylinder, 4. Blocking plate, 5. Vacuum tank, 6. Crane arm, 7. Suction pipe, 8. Suction head; 81. Pipe assembly; 82. Base assembly; 83. Pipe bend; 811. Tube, 812. Rotary arm, 813. Motor, 814. Drive wheel, 815. Transmission wheel, 816. Driven wheel, 817. Rotary drum, 818. Connecting seat; 821. Base; 822. Screw conveyor shaft; 823. Collection hole; 824. Guide plate; 831. Pipe wall; 832. Teeth; 833. Guide groove; 8121. Arm plate, 8122. Inner cavity, 8123. Spring, 8124. Slider, 8125. Baffle. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings.

[0025] like Figure 1 , 2 As shown, the excavator suction truck is mainly used to replace manual labor for tank cleaning operations and can also be used for non-destructive excavation operations during municipal construction. Its specific structure includes a vehicle body 1. A vacuum tank 5, with a volume of 10 cubic meters, is vertically rotatable and mounted on the vehicle body 1. An opening is located at the rear end of the vacuum tank 5, and a closable blocking plate 4 is installed on this opening. A vacuum pump 2 is mounted on the vehicle body 1, and its inlet is connected to the vacuum tank 5, creating negative pressure inside the tank. The maximum exhaust volume of the vacuum pump 2 is 108 cubic meters per minute, and its maximum vacuum level is -85 kPa. A drive cylinder 3 is located between the vehicle body 1 and the vacuum tank 5, and can rotate the vacuum tank 5 from a horizontal to a vertical position. A boom 6 is horizontally rotatable and mounted on the upper end of the vacuum tank 5; the boom 6 is also extendable. A suction pipe 7 is supported and suspended by the boom 6 and connected to the upper end of the vacuum tank 5. The sludge sucked up by the suction pipe 7 enters the vacuum tank 5. It has a large exhaust volume and high vacuum, enabling it to handle complex fluids with high viscosity, poor flowability, and containing solid particles. Furthermore, the vehicle body 1 is equipped with a high-pressure washer, which can break down solid sediment. The maximum pressure of the high-pressure washer is 30 MPa.

[0026] The vacuum tank 5 features a tiltable design, allowing it to be tilted at a large angle when cleaning is needed, effectively utilizing gravity to loosen and slide the internal sediment. Simultaneously, a closable baffle 4 is specially installed at the rear of the vacuum tank 5. During cleaning operations, after tilting the vacuum tank 5 to allow the sediment to collect in the outlet area, opening the baffle 4 allows for quick and thorough discharge of the deposited sediment. Furthermore, the boom 6 suspends the suction pipe 7; the boom 6 is rotatable and extendable, allowing operators to flexibly adjust the position of the suction pipe 7 and precisely insert it into the mud tank for cleaning operations.

[0027] like Figure 3 , 4 As shown, a suction head 8 is provided at the end of the suction pipe 7. The suction head 8 includes a pipe assembly 81 and a base assembly 82. The pipe assembly 81 can remove the sediment adhering to the inner wall of the suction head 8. The base assembly 82 can improve the efficiency of the sludge removal operation. The pipe assembly 81 is located at the lower end of the suction pipe 7, and the base assembly 82 is located at the lower end of the pipe assembly 81. A rotatable rotating arm 812 is provided inside the pipe assembly 81. A liftable rotating pipe 83 is provided at the lower end of the rotating arm 812.

[0028] like Figure 6 , 7 As shown, the pipe assembly 81 includes a tube 811, the upper end of which is fixedly connected to the suction tube 7. A rotating arm 812 is rotatably disposed on the inner wall of the tube 811, and can rotate along the circumferential direction of the inner wall of the tube 811. A motor 813 is fixedly disposed on the outer wall of the tube 811, and the motor 813 is a geared motor used to drive the rotating arm 812. In a specific embodiment, the pipe assembly 81 also includes a drive wheel 814, which is rotatably disposed inside the tube 811 and driven by the motor 813. A driven wheel 816 is rotatably disposed inside the tube 811 and is connected to the drive wheel 814 for transmission. The driven wheel 816 and the tube 811 are coaxially arranged. In a specific embodiment, a rotatable transmission wheel 815 is also disposed inside the tube 811, and the transmission wheel 815 meshes with the drive wheel 814 and the driven wheel 816 for transmission. The drive wheel 815 increases the distance between the driving wheel 814 and the driven wheel 816, thus facilitating the placement of the motor 813. A rotating drum 817 is disposed inside the driven wheel 816, rotating synchronously with it, and its upper and lower ends are sealed to the tube 811. A flow channel for the flow of sludge is formed inside the rotating drum 817. A connecting seat 818 is fixedly disposed inside the rotating drum 817, and a rotating arm 812 is detachably mounted on the connecting seat 818. The rotating arm 812 is arranged axially along the rotating drum 817. The upper end of the rotating arm 812 extends into the suction tube 7, and the lower end passes through the collection hole 823. In a specific embodiment, two rotating arms 812 are provided, symmetrically arranged about the rotating drum 817.

[0029] The rotating arm 812 is slatted and can rotate relative to the inner wall of the suction head 8. This rotation can effectively scrape, peel off, and remove deposits adhering to the inner wall, especially those on the inner wall of the tube 811. This prevents deposits from accumulating and clogging the inner wall, ensuring that the flow channel of deposits from the suction head 8 to the subsequent suction tube 7 remains unobstructed.

[0030] like Figure 8 As shown, the specific structure of the rotating pipe 83 includes a cylindrical pipe wall 831. Teeth 832 are formed at the lower end of the pipe wall 831. A guide groove 833 is provided on the inner side of the pipe wall 831. The rotating pipe 83 is slidably connected to the rotating arm 812 through the guide groove 833. The rotating pipe 83 can slide along the length of the rotating arm 812, thereby realizing the lifting and lowering movement of the rotating pipe 83. Furthermore, the rotating pipe 83 can rotate synchronously with the rotating arm 812, and the teeth 832 at the lower end of the rotating pipe 83 can cut into and loosen the deposits, thereby achieving efficient cleaning operations.

[0031] During its rotation, the rotating arm 812 can also cut through the sediment, especially the sediment sucked in through the gap between the upper end of the rotating tube 83 and the collection hole 823. This breaks down the originally viscous, clump-like sediment into smaller units. The reduced particle size decreases the overall viscous resistance of the sediment, enhancing its fluidity. This results in smoother sediment flow and improved suction efficiency.

[0032] like Figure 9 As shown, the specific structure of the rotating arm 812 includes an arm plate 8121. The arm plate 8121 is arranged along the axial direction of the tube 811. An inner cavity 8122 is formed in the arm plate 8121, and a slider 8124 is slidably disposed in the inner cavity 8122 and is connected to the guide groove 833. A spring 8123 is disposed between the inner cavity 8122 and the slider 8124. In a specific embodiment, the outer side of the inner cavity 8122 is sealed by a baffle 8125, and the slider 8124 is connected to the guide groove 833 by magnetic force. The spring 8123 can reset the slider 8124 to the lowest position, thereby resetting the rotating tube 83 to the lowest position. Furthermore, through the sealing of the baffle 8125 and the magnetic transmission between the slider 8124 and the guide groove 833, it is possible to effectively prevent sludge from entering the inner cavity 8122.

[0033] like Figure 5As shown, the specific structure of the base assembly 82 includes a base 821. The base 821 is located at the lower end of the tube 811. Two horizontally arranged spiral conveying shafts 822 are rotatably mounted at the lower end of the base 821. A collection hole 823 is formed on the base 821 and connected to the tube 811. The collection hole 823 is located between the two spiral conveying shafts 822. The lower end of the rotating arm 812 passes through the collection hole 823, and the rotating tube 83 is located at the lower end of the collection hole 823. When the rotating tube 83 slides to its lowest point, a gap is formed between the upper end of the rotating tube 83 and the collection hole 823, allowing sediment to enter the collection hole 823 through this gap. When the rotating tube 83 slides to its highest point, the gap between the upper end of the rotating tube 83 and the collection hole 823 is closed.

[0034] A guide plate 824 is provided at the lower end of the base 821. The guide plate 824 is located between the collection hole 823 and the screw conveyor shaft 822. The silt collected by the screw conveyor shaft 822 enters the collection hole 823 through the guide plate 824. When the screw conveyor shaft 822 built into the base assembly 82 rotates, it can effectively remove the silt in the covered area and directionally transport it to the collection hole 823. This design optimizes the collection path of the silt and significantly improves the operating efficiency.

[0035] The adjustable rotating pipe 83 automatically adjusts its working state according to the thickness of the silt deposit. When the silt deposit is thick, the lower end of the rotating pipe 83 can be inserted into the silt deposit, and a gap is formed between the upper end of the rotating pipe 83 and the collection hole 823. At this time, the silt deposit can be sucked in simultaneously from the lower opening of the rotating pipe 83 and the gap between the upper end of the rotating pipe 83 and the collection hole 823, significantly improving the silt suction efficiency and range. When the silt deposit is thin, the rotating pipe 83 is pushed up by the inner wall of the mud tank, and the gap between the upper end of the rotating pipe 83 and the collection hole 823 is closed. In this state, the suction force at the lower end of the rotating pipe 83 is concentrated and enhanced, which can more effectively suck thin layers of silt directly into the lower end of the rotating pipe 83. After the rotating pipe 83 detaches from the inner wall of the mud tank, the rotating pipe 83 can return to its lowest position, and a gap is re-formed between the upper end of the rotating pipe 83 and the collection hole 823.

[0036] The rotating arm 812, located inside the gap between the upper end of the rotating tube 83 and the collection hole 823, not only drives the rotating tube 83 to rotate synchronously, allowing the teeth 832 at the lower end of the rotating tube 83 to cut into and loosen the sludge, but also cuts the sludge sucked in from the gap between the upper end of the rotating tube 83 and the collection hole 823, reducing the overall viscous resistance of the sludge and enhancing its fluidity. This results in smoother flow of the sludge and improved suction efficiency.

[0037] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An excavator and suction truck, characterized in that, include: Vehicle body (1); Vacuum tank (5) is rotatably mounted on vehicle body (1); A blocking plate (4) is closable and located at the rear end of the vacuum tank (5); A vacuum pump (2) is installed on the vehicle body (1) and connected to a vacuum tank (5); The drive cylinder (3) is located between the vehicle body (1) and the vacuum tank (5); The boom (6) is rotatably mounted on the upper end of the vacuum tank (5); The straw (7) is supported and suspended by the boom (6) and connected to the vacuum tank (5); The straw (7) is provided with a suction head (8) at its end, the suction head (8) comprising: A pipe assembly (81) is provided at the lower end of the straw (7), and a rotatable rotating arm (812) is provided inside the pipe assembly (81). The pipe assembly (81) includes: The tube (811) is fixedly connected to the straw (7); A rotating arm (812) is rotatably mounted on the inner wall of the tube (811); The motor (813) is located on the outer wall of the tube (811) and is used to drive the rotating arm (812). The lower end of the rotating arm (812) is provided with a liftable rotating tube (83). The rotating tube (83) includes: Pipe wall (831); Teeth (832) are provided at the lower end of the tube wall (831); The guide groove (833) is located on the inner side of the pipe wall (831) and is slidably connected to the rotating arm (812); The rotating arm (812) includes: Arm plate (8121); The inner cavity (8122) is located in the arm plate (8121); The slider (8124) is slidably disposed in the inner cavity (8122) and is connected to the guide groove (833) for transmission. A spring (8123) is disposed between the inner cavity (8122) and the slider (8124).

2. The excavator suction truck according to claim 1, characterized in that, The pipe assembly (81) further includes: The drive wheel (814) is rotatably disposed inside the tube (811) and is driven by the motor (813); The driven wheel (816) is rotatably disposed inside the tube (811) and is connected to the driving wheel (814) for transmission. The rotating drum (817) is installed inside the driven wheel (816) and is sealed to the tube (811); The connecting seat (818) is fixedly disposed on the inner side of the rotating drum (817), and the rotating arm (812) is mounted on the connecting seat (818).

3. The excavator suction truck according to claim 1, characterized in that, The outer side of the inner cavity (8122) is sealed by a baffle (8125), and the slider (8124) is connected to the guide groove (833) by magnetic force.

4. The excavator suction truck according to claim 1, characterized in that, The lower end of the pipe assembly (81) is provided with a base assembly (82), the base assembly (82) comprising: The base (821) is located at the lower end of the tube (811); The screw conveyor shaft (822) is rotatably mounted at the lower end of the base (821); A collection hole (823) is provided on the base (821) and connected to the tube (811), and the rotating tube (83) is located at the lower end of the collection hole (823).

5. The excavator suction truck according to claim 4, characterized in that, A guide plate (824) is provided at the lower end of the base (821).

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