Turning method of water mining machine

Abstract

The application provides a turning method of a water mining machine. The turning method of the water mining machine comprises the following steps: controlling a cutting head to be lifted to a preset distance; controlling any three of four tracks to be lifted to a preset height; starting a work ship to make the water mining machine perform a turning operation; and after the turning operation is completed, the work ship is turned off and the three tracks lifted to the preset height are released to an initial position. The turning method of the water mining machine can solve the problems of long time required for the water mining machine to turn, low turning efficiency and influence on subsequent production.

Description

Technical Field

[0001] This invention relates to the field of salt mining equipment technology, and more specifically, to a method for turning around a water mining machine. Background Technology

[0002] Water-cooled mining machines are used in the production of potassium chloride from carnallite to collect minerals deposited below the water surface and transport them as slurry. They are large-scale mining machinery. Currently, domestic and international manufacturers mainly produce several types of mining equipment: those without self-propulsion, using a cutter suction head, dual positioning piles, anchored steel cables, and fan-shaped movement for traction; those with self-propulsion, using a single-cutting-head spiral auger; and domestically produced self-propulsion, dual-cutting-head spiral augers. The potash fertilizer company's harvesting workshop has 30 water-cooled mining machines, each designed with a live-anchor boat. The machines use single or double cutting heads and a dual-antenna GPS global positioning system for navigation. A shore-based pressurization station is also established, which can be shared by multiple machines. However, when encountering severe weather or other operational needs, the turning time for water-cooled mining machines is long, resulting in low turning efficiency and impacting subsequent production. Summary of the Invention

[0003] The main objective of this invention is to provide a method for turning around a water mining machine, which can solve the problems of long turning time, low turning efficiency, and impact on subsequent production.

[0004] To achieve the above objectives, according to one aspect of the present invention, a method for turning around a water sampling machine is provided, comprising: controlling a cutting head to raise it a preset distance; controlling any three of the four tracks to raise them to a preset height; starting a workboat to enable the water sampling machine to perform a turning operation; and after the turning operation is completed, shutting down the workboat and releasing the three tracks raised to the preset height to their initial positions.

[0005] Furthermore, while performing the step of raising any three of the four tracks to a preset height, the turning method of the water pump also includes: obtaining the speed value of the unraised track; comparing the speed value with a preset value; if the speed value is greater than the preset value, then reducing the speed value to the preset value; if the speed value is less than the preset value, then increasing the speed value to the preset value.

[0006] Furthermore, the steps for controlling any three of the four tracks to rise to a preset height include: determining whether the three tracks have risen to the preset height; if all three tracks have risen to the preset height, then starting the workboat; if any one of the three tracks has not risen to the preset height, then continuing to adjust its position until the preset height is reached.

[0007] Furthermore, the step of controlling any three of the four tracks to lift to a preset height also includes: acquiring track control commands; when the track control command is a lifting command, detecting whether the tracks can lift automatically; when the tracks can lift automatically, controlling the tracks to lift automatically; when the tracks cannot lift automatically, issuing a manual lifting signal.

[0008] Furthermore, the step of activating the workboat to enable the water sampler to turn around includes: the workboat using the unlifted tracks as a fulcrum to push or pull the water sampler, causing the water sampler to rotate clockwise or counterclockwise to a preset position.

[0009] Furthermore, the connection point between the workboat and the water extraction machine is the force application point. This force application point is located on the side of the lifting track away from the unlifted track on the same side as the unlifted track, or the force application point is located at the diagonal position of the unlifted track.

[0010] Furthermore, when the workboat uses the unlifted tracks as a fulcrum to push or pull the water sampler to turn around, the position of the water sampler is monitored in real time to determine whether the water sampler has been adjusted to the preset position.

[0011] Furthermore, the step of activating the workboat to enable the water sampler to turn around also includes: releasing the cutting head while reducing the thrust or pull of the workboat on the water sampler when the water sampler is about to reach the preset position.

[0012] Furthermore, after completing the turning operation, the steps of shutting down the workboat and releasing the three raised tracks to their initial positions include: obtaining track control commands; when the track control command is a release command, detecting whether the tracks can be automatically released; when the tracks can be automatically released, controlling the tracks to release automatically; when the tracks cannot be automatically released, issuing a manual release signal.

[0013] Furthermore, the step of activating the workboat to enable the water extraction machine to turn around also includes: while the workboat pushes or pulls the water extraction machine to turn around, the operating status of the slurry pipe is monitored in real time.

[0014] By applying the technical solution of this invention, when the water-cooled mining machine encounters severe weather or needs to turn around during the mining process, the cutting head is gradually raised by controlling the valve group and valve block until the upper edge of the cutting head is level with the water surface, facilitating the rotation of the water-cooled mining machine. Then, any three of the four tracks of the water-cooled mining machine are raised to a certain height, and the work boat is started. The work boat pushes or pulls the water-cooled mining machine to turn around. Compared with the existing turning methods, the thrust or pull of the work boat can accelerate the turning speed of the water-cooled mining machine, thereby saving a lot of time. At the same time, it can ensure that the water-cooled mining machine can quickly resume ore supply, ensuring production progress and product quality. Attached Figure Description

[0015] The accompanying drawings, which form part of this specification, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0016] Figure 1 A flowchart illustrating the turning method of a water sampling machine according to an embodiment of the present invention is shown;

[0017] Figure 2 A flowchart illustrating the turning method of a water sampling machine according to an embodiment of the present invention is shown;

[0018] Figure 3 A flowchart illustrating an embodiment of the present invention is shown, showing the control of any three of the four tracks to be raised to a preset height;

[0019] Figure 4 A flowchart illustrating an embodiment of the present invention is shown, showing the control of any three of the four tracks to be raised to a preset height;

[0020] Figure 5 The flowchart illustrates an embodiment of the present invention showing how, after completing a turning operation, the workboat is shut down and the three raised tracks are released to their initial positions;

[0021] Figure 6 This diagram illustrates the position of the water extraction machine before it turns around when the slurry pipe is located to the left of the water extraction machine, according to an embodiment of the present invention.

[0022] Figure 7 This diagram illustrates the position of the water extraction machine after it turns around, with the slurry pipe located to the left of the water extraction machine according to an embodiment of the present invention.

[0023] Figure 8 This diagram illustrates the position of the hydraulic pump before it turns around, with the slurry pipe located to the right of the pump according to an embodiment of the present invention; and

[0024] Figure 9 This diagram illustrates the position of the water extraction machine after it turns around, with the slurry pipe located on the right side of the water extraction machine according to an embodiment of the present invention.

[0025] The above figures include the following reference numerals:

[0026] 10. Anchor boat; 20. Water extraction machine; 30. Workboat; 40. Slurry pipe. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] See also Figures 1 to 9As shown, the present invention provides a method for turning around a water sampler 20, which involves controlling the cutting head to raise it a preset distance; controlling any three of the four tracks to raise them to a preset height; starting the workboat 30 to enable the water sampler 20 to perform a turning operation; and after the turning operation is completed, shutting down the workboat 30 and releasing the three tracks raised to the preset height to their initial positions.

[0029] In this embodiment, when the water mining machine 20 encounters severe weather or needs to turn around during mining operations, the cutting head is gradually raised by controlling the valve group and valve block until the upper edge of the cutting head is level with the water surface, facilitating the rotation of the water mining machine 20. Then, any three of the four tracks of the water mining machine 20 are raised to a certain height, and the work boat 30 is started. The work boat 30 pushes or pulls the water mining machine 20 to turn around. Compared with the existing turning method, the thrust or pull of the work boat 30 can accelerate the turning speed of the water mining machine 20, thereby saving a lot of time. At the same time, it can ensure that the water mining machine 20 can quickly resume ore supply, ensuring production progress and product quality.

[0030] like Figure 2 As shown, in one embodiment of the present invention, while performing the step of controlling any three of the four tracks to lift to a preset height, the turning method of the water pump 20 further includes: obtaining the speed value of the unlifted track; comparing the speed value with a preset value; if the speed value is greater than the preset value, then reducing the speed value to the preset value; if the speed value is less than the preset value, then increasing the speed value to the preset value. The preset speed value is 25 ± 5 m / s.

[0031] In this embodiment, it is necessary to obtain the speed value of the unlifted track and compare the obtained speed value with a preset value. If the speed value is higher than or equal to the first preset value, corresponding adjustments need to be made to ensure that the speed of the unlifted track is the preset value. At this time, the unlifted track retains a certain speed relative to the lifted track, and the unlifted track can provide a certain power at the fulcrum. In this way, the unlifted track can move in a certain direction under the drive of the working boat 30. With the movement of the unlifted track, the working boat 30 can realize the rapid rotation of the water sampling machine 20, thereby improving the turning speed of the water sampling machine 20.

[0032] like Figure 3 As shown, in one embodiment of the present invention, the step of controlling any three of the four tracks to be raised to a preset height includes: determining whether the three tracks have been raised to the preset height; if all three tracks have been raised to the preset height, then starting the workboat 30; if any one of the three tracks has not been raised to the preset height, then continuing to adjust its position until the preset height is reached.

[0033] In this embodiment, during the process of controlling any three of the four tracks to rise to a preset height, it is necessary to determine whether all three tracks have risen to the preset height. If all three tracks have risen to the preset height, the workboat 30 is activated. At this time, when the workboat 30 pushes or pulls the water sampler 20 to turn around, the water sampler 20 experiences less resistance and turns around faster. If any of the three tracks has not risen to the preset height, the position of that track needs to be adjusted until it reaches the preset height. In this way, all three tracks have risen to the preset height, and the next step can be carried out, that is, the workboat 30 is activated to perform the turning operation of the water sampler 20.

[0034] like Figure 4 As shown, in one embodiment of the present invention, the step of controlling any three of the four tracks to be raised to a preset height further includes: obtaining a track control command; when the track control command is a lifting command, detecting whether the track can be automatically raised; when the track can be automatically raised, controlling the track to be automatically raised; when the track cannot be automatically raised, issuing a manual lifting signal.

[0035] The above settings ensure that the tracks can be smoothly raised to the preset height, thereby ensuring the smooth turning process and avoiding the inability to supply slurry due to the excessive turning time of the water-cooled pump 20, which would affect the production progress.

[0036] See also Figures 6 to 9 As shown, in one embodiment of the present invention, the step of activating the workboat 30 to enable the water sampler 20 to turn around includes: the workboat 30 using the unlifted track as a fulcrum to push or pull the water sampler 20, causing the water sampler 20 to rotate clockwise or counterclockwise to a preset position; the connection point between the workboat 30 and the water sampler 20 is the force application point, which is located on the side of the lifting track away from the unlifted track on the same side as the unlifted track, or the force application point is located at a diagonal position of the unlifted track.

[0037] In this embodiment, the working boat 30 is connected to the docking post of the water sampling machine 20 via a steel wire rope. Using the unlifted track as a fulcrum, it drives the water sampling machine 20 to rotate clockwise or counterclockwise. When the working boat 30 pushes the water sampling machine 20 to rotate, it moves forward; when it pulls the water sampling machine 20 to rotate, it moves backward. By increasing the fuel supply to the diesel engine, the working boat 30's speed is increased. Thus, with the assistance of the working boat 30, the water sampling machine 20 can quickly complete a turning operation, ensuring subsequent production progress. Furthermore, when the working boat 30 applies force to the water sampling machine 20 on the side of the lifting track away from the unlifted track, or when the working boat 30's force application point is diagonally opposite the location of the unlifted track, according to the lever principle, the lever arm is longer, requiring less thrust or pull from the working boat 30, thus saving effort.

[0038] like Figure 6 and Figure 7 As shown in one embodiment of the present invention, points A, B, C, and D represent the positions of the four tracks of the water extraction machine 20. During the actual turning process of the water extraction machine 20, the position of the slurry pipe 40 on the lake surface and wind factors need to be considered. Depending on the actual situation, the method of pulling or pushing the water extraction machine 20 by the workboat 30 should be selected. When the slurry pipe 40 is located to the left of the water extraction machine 20 and is far away from it, to ensure that the slurry pipe 40 does not break during the turning process, the water extraction machine 20 should turn clockwise. The position of the anchor boat 10 needs to be adjusted first, moving it to the right of the water extraction machine 20. The anchor boat 10 drives the slurry pipe 40 to move to the right, reducing the distance between the slurry pipe 40 and the water extraction machine 20. This makes the slurry pipe 40 more adaptable to the water extraction machine 20, preventing it from breaking under its drag. When the relative positions of the slurry pipe 40 and the water extraction machine 20 are appropriate, after the cutting head is lifted, the three tracks at A, B, and D can be lifted while the track at C remains unlifted. Using the unlifted track at C as a fulcrum, the working boat 30 can push the water extraction machine 20 to rotate clockwise and turn around at the track at track B, or the working boat 30 can pull the water extraction machine 20 to rotate clockwise and turn around at the track at track A.

[0039] like Figure 8 and Figure 9As shown in one embodiment of the present invention, A, B, C, and D represent the positions of the four tracks of the water extraction machine 20. When the slurry pipe 40 is located on the right side of the water extraction machine 20 and is far away from the water extraction machine 20, in order to ensure that the slurry pipe 40 does not break during the turning process of the water extraction machine 20, the water extraction machine 20 should turn counterclockwise. It is necessary to first adjust the position of the anchor boat 10 so that the anchor boat 10 moves to the right side of the water extraction machine 20. The anchor boat 10 drives the slurry pipe 40 to move to the right, reducing the distance between the slurry pipe 40 and the water extraction machine 20, so that the slurry pipe 40 has a certain adaptability relative to the water extraction machine 20 and can not break under the drag of the water extraction machine 20. When the relative positions of the slurry pipe 40 and the water mining machine 20 are appropriate, and after the cutting head is raised, the three tracks at B, C, and D are raised, while the track at A is not raised. Using the unraised track at A as the fulcrum, the working boat 30 pushes the water mining machine 20 to rotate counterclockwise at the track position C, or the working boat 30 pulls the water mining machine 20 to rotate counterclockwise at the track position D.

[0040] In one embodiment of the present invention, when the workboat 30 pushes or pulls the water sampler 20 to turn around using the unlifted track as a fulcrum, the position of the water sampler 20 is monitored in real time to determine whether the water sampler 20 has been adjusted to the preset position.

[0041] In this embodiment, when the workboat 30 pushes or pulls the water extraction machine 20 to turn around, it is necessary to monitor the position of the water extraction machine 20 in real time to ensure that the water extraction machine 20 is adjusted to the preset position, so as to ensure that the water extraction machine 20 can resume ore supply as soon as possible.

[0042] In one embodiment of the present invention, the step of activating the workboat 30 to enable the water sampler 20 to turn around further includes: when the water sampler 20 is about to reach the preset position, releasing the cutting head while reducing the thrust or pull of the workboat 30 on the water sampler 20.

[0043] In this embodiment, just before the water-cooled mining machine 20 reaches the preset position, the cutting head is gradually lowered by controlling the valve group and valve block. At the same time, the thrust or pull of the working boat 30 on the water-cooled mining machine 20 is reduced according to the descent speed of the cutting head. At this time, the turning speed of the water-cooled mining machine 20 is slowed down. In this way, when the cutting head descends to the initial position, the water-cooled mining machine 20 just completes the turning and can start the ore supply operation, thereby ensuring the production progress.

[0044] In embodiments of the present invention, the preset position can be set according to the actual situation. It can refer to the position when the water sampler 20 completes its turn, or it can refer to the position after the water sampler 20 has rotated a certain angle according to the actual situation.

[0045] like Figure 5As shown, in one embodiment of the present invention, after completing the turning operation, the step of shutting down the workboat 30 and releasing the three raised tracks to the initial position includes: obtaining a track control command; when the track control command is a release command, detecting whether the tracks can be automatically released; when the tracks can be automatically released, controlling the tracks to release automatically; when the tracks cannot be automatically released, issuing a manual release signal.

[0046] The above setup ensures that the track can be smoothly released to its initial position, allowing for continued cutting of the carnallite ore underwater in the carnallite pool, providing raw materials for subsequent production.

[0047] In one embodiment of the present invention, the step of starting the workboat 30 to enable the water extraction machine 20 to turn around further includes: when the workboat 30 pushes or pulls the water extraction machine to turn around, the operating status of the slurry pipe 40 is monitored in real time.

[0048] In this embodiment, when the workboat 30 pushes or pulls the water extraction machine to perform a turning operation, it is necessary to monitor the operating status of the slurry pipe 40 in real time to prevent the slurry pipe 40 from breaking during the turning operation, which would affect the subsequent production progress.

[0049] In one embodiment of the present invention, the turning process of the water sampling machine 20 can also be completed by two workers working together. The specific operation process is as follows: Worker A operates on the PLC interface of the water sampling machine 20, clicks the cutting head lifting button to raise the cutting head a preset distance; then Worker A opens the track control interface, clicks the track lifting button to raise three of the four tracks of the water sampling machine 20 to a preset height, and adjusts the unlifted tracks to a preset speed value. When employee A completes the above operations, an instruction is sent to employee B. Upon receiving the instruction, employee B starts the workboat 30, which uses the unlifted tracks as a fulcrum to push or pull the water extraction machine 20 to turn around. At this time, employee A needs to monitor the position of the water extraction machine 20 in real time through the PLC interface to ensure that the water extraction machine 20 reaches the predetermined position. At the same time, employee A also needs to observe the condition of the slurry pipe 40 on the lake surface to prevent pipeline breakage. When the water extraction machine 20 is about to reach the predetermined position, employee A operates on the PLC interface of the water extraction machine 20, clicking the cutting head down button to gradually lower the cutting head. At the same time, employee A instructs employee B to reduce the thrust or pull of the workboat 30 to ensure that the water extraction machine 20 completes the turn just as the cutting head is pressed down. When the water extraction machine 20 reaches the predetermined position, employee B shuts down the workboat 30, and employee A opens the track control interface and clicks the track release button to release the three lifted tracks to their initial positions.

[0050] As can be seen from the above description, the above embodiments of the present invention achieve the following technical effects: When the water mining machine encounters severe weather or needs to turn around due to operational needs during the mining process, the cutting head is gradually raised by controlling the valve group and valve block until the upper edge of the cutting head is level with the water surface, which facilitates the rotation of the water mining machine. Then, any three of the four tracks of the water mining machine are raised to a certain height, and the work boat is started. The work boat pushes or pulls the water mining machine to turn around. Compared with the existing turning method, the thrust or pull of the work boat can accelerate the turning speed of the water mining machine, thereby saving a lot of time. At the same time, it can ensure that the water mining machine can quickly resume ore supply, ensuring production progress and product quality.

[0051] Obviously, the embodiments described above are merely some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention.

[0052] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0053] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A method for turning around a water extraction machine, characterized in that, include: Control the cutting head to raise it to a preset distance; Control any three of the four tracks to raise to a preset height; Start the workboat (30) to allow the water extraction machine (20) to turn around; After the turning operation is completed, shut down the workboat (30) and release the three tracks that have been raised to the preset height back to their initial positions; While executing the step of raising any three of the four tracks to a preset height, the turning method of the water pump also includes: Get the speed value of the unlifted tracks; Compare this speed value with the preset value; If the speed value is greater than the preset value, then reduce the speed value to the preset value; If the speed value is less than the preset value, then increase the speed value to the preset value; The steps for starting the workboat (30) to enable the water extraction machine (20) to turn around include: The workboat (30) uses the unlifted track as a fulcrum to push or pull the water sampling machine (20), causing the water sampling machine (20) to rotate clockwise or counterclockwise to the preset position; The connection point between the workboat (30) and the water extraction machine (20) is the force application point. This force application point is located on the side of the lifting track away from the unlifted track on the same side as the unlifted track, or the force application point is located at the diagonal position of the unlifted track. The steps of starting the workboat (30) to enable the water extraction machine (20) to turn around also include: when the workboat (30) pushes or pulls the water extraction machine to turn around, the operating status of the slurry pipe (40) is monitored in real time.

2. The method for turning around a water sampling machine according to claim 1, characterized in that, The steps for controlling any three of the four tracks to rise to a preset height include: Determine if the three tracks have been raised to the preset height; If all three tracks are raised to the preset height, the workboat (30) is started. If any of the three tracks fails to rise to the preset height, its position will continue to be adjusted until the preset height is reached.

3. The method for turning around a water sampling machine according to claim 1, characterized in that, The steps for controlling any three of the four tracks to rise to a preset height also include: Obtain track control commands; When the track control command is a lifting command, check whether the track can be lifted automatically; When the tracks can be automatically lifted, control the tracks to lift automatically. When the tracks fail to lift automatically, a manual lifting signal is sent.

4. The method for turning around a water extraction machine according to claim 1, characterized in that, When the workboat (30) uses the unlifted track as a fulcrum to push or pull the water sampler (20) to turn around, the position of the water sampler (20) is monitored in real time to determine whether the water sampler (20) has been adjusted to the preset position.

5. The method for turning around a water sampling machine according to claim 1, characterized in that, The step of starting the workboat (30) to make the water sampler (20) turn around also includes: when the water sampler (20) is about to reach the preset position, releasing the cutting head and reducing the thrust or pull of the workboat (30) on the water sampler (20).

6. The method for turning around a water sampling machine according to claim 1, characterized in that, After completing the turning operation, the steps of shutting down the workboat (30) and releasing the three raised tracks to their initial positions include: Obtain track control commands; When the track control command is a release command, check whether the track can be released automatically; When the tracks can be automatically released, control the tracks to release automatically; When the track fails to release automatically, a manual release signal is issued.

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