A fluid mining tool apparatus

Abstract

The application discloses a fluid cutter device, and belongs to the field of fluid cutting equipment. The fluid cutter device comprises a cutter device conversion joint and a shell connected with the conversion joint, the shell comprises a sealing unit, a driving unit, a fixing unit of the driving unit and a jet device; the conversion joint, the driving unit and the jet device are all hollow structures for overloading fluid; the driving unit comprises at least one driving subunit, and fluid drives the at least one driving subunit to rotate; the fixing unit comprises at least one fixing subunit, the fixing subunit is arranged in the driving unit at a position where fluid pressure is higher than a preset pressure threshold, and the fixing unit fixes the position of the driving unit in the shell; the sealing unit is arranged at the interface edge of the driving unit and the conversion joint; fluid flows into the jet device from the port of the driving unit away from the conversion joint, the jet device is fixed opposite to the driving unit, the jet device comprises at least one sub-jet device, the sub-jet devices are connected with each other, and the sub-jet devices comprise at least one fluid jet port.

Description

Technical Field

[0001] This application relates to the field of fluid cutting equipment technology, and more specifically to a fluid mining cutter device. Background Technology

[0002] In the field of fluid cutting technology, fluid cutting equipment is often required to effectively cut or crush hard ores (such as rock strata, coal seams, concrete, etc.).

[0003] In related technologies, fluid cutting technology often involves high-pressure fluid being ejected from the nozzle of a fluid cutting device to cut the ore layer. Under high fluid pressure, a reaction force is generated in the mine to maintain the stability of the fluid cutting device.

[0004] During this process, due to the high fluid pressure, the pressure-bearing capacity of the fluid cutting equipment is limited. Therefore, the overall stability and sealing of the fluid cutting equipment are prone to problems. For example, when the fluid cutting equipment is installed at the end of the mining equipment, the fluid cutting equipment may malfunction and fail to achieve the desired ore cutting effect. Summary of the Invention

[0005] The purpose of this application is to provide a fluid mining cutter device that can solve the problems of unstable equipment speed and pressure overload leading to deformation during fluid rotary cutting.

[0006] This application provides a fluid mining cutter device, which includes:

[0007] The device includes a mining cutter conversion connector and a housing connected to the mining cutter conversion connector. The housing includes a sealing unit, a driving unit, a fixing unit for the driving unit, and an ejector.

[0008] The mining cutter conversion connector, the drive unit, and the jet injector are all hollow structures, and are connected in sequence to the overload fluid.

[0009] The hollow structure of the drive unit includes at least one drive sub-unit. The fluid drives the at least one drive sub-unit to rotate, and the drive sub-unit converts the first torque of the fluid into a target torque. The direction of the target torque is tangent to the direction of the first torque.

[0010] The fixing unit includes at least one fixing sub-unit. Each fixing sub-unit is sleeved at a first position of the drive unit. The first position is a position in the drive unit where the fluid pressure value is higher than a preset pressure threshold. The fixing unit is used to fix the drive unit in the housing.

[0011] The sealing unit is disposed at the second position of the drive unit, which is the interface edge of the drive unit and the mining cutter equipment conversion joint;

[0012] The fluid flows into the jet injector through the port of the drive unit away from the conversion connector of the cutting tool. The jet injector is fixed relative to the drive unit. The jet injector includes at least one sub-jet injector, which is connected to each other. Each sub-jet injector includes at least one fluid jet port. Attached Figure Description

[0013] Figure 1 This is a cross-sectional view of a fluid mining cutter.

[0014] Figure 2 This is a schematic diagram of the driver subunit.

[0015] Figure 3 This is a top view of the drive subunit. Detailed Implementation

[0016] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0017] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0018] The application scenarios of this application will be described below.

[0019] In fields such as mining and firefighting, fluid cutting technology is often required for cutting, necessitating the use of fluid cutting equipment. This equipment is typically located at the end of mining equipment. The mining equipment supplies the fluid cutting equipment with a certain pressure, and the fluid cutting equipment relies on the reaction force generated when the fluid is ejected from the nozzle to generate a rotational torque, driving the rotating body to rotate. This rotation of the ejector allows for large-area jet cutting of the ore.

[0020] In related technologies, liquid mining cutter equipment, when cutting ore, utilizes the reaction force of the fluid to drive the rotating body, which easily leads to problems such as poor speed stability and poor sealing. Firstly, the speed of the liquid mining cutter equipment depends entirely on the structural design of the jet nozzle and the instantaneous water flow parameters. However, in actual working conditions, these parameters are difficult to maintain absolutely constant, resulting in unstable rotational speed. Secondly, under high pressure, the support structure will bear the axial load converted from fluid pressure. If this exceeds the bearing capacity of the support structure, it will cause overload deformation and accelerated wear in a short period, leading to jamming of the rotating parts, seal failure, and ultimately causing the entire liquid mining cutter equipment to malfunction.

[0021] The fluid transfer connector device provided in this application will be described in detail below with reference to the accompanying drawings, through specific embodiments and application scenarios.

[0022] This embodiment provides a fluid mining cutter device, which includes a mining cutter device conversion joint and a housing connected to the mining cutter device conversion joint.

[0023] For example, the fluid can be water, or other liquids with a concentration greater or less than that of water, or liquids containing solid particles. If the liquid contains solid particles, the proportion and size of the solid particles must be sufficient to ensure smooth flow within the pipe and ejection via the fluid cutting tool component to achieve the cutting effect.

[0024] For example, the pressure value of the fluid can range from 20MPa to 150MPa.

[0025] It is understandable that fluid mining cutter equipment is often connected to the end of the pipeline that transports fluid. In order to ensure the stability between the fluid mining cutter equipment and the pipeline that transports fluid, as well as the stability of the fluid mining cutter equipment itself, a cutting cutter equipment conversion joint can be installed at the end of the pipeline that transports fluid.

[0026] In the embodiments of this application, the housing includes a sealing unit, a driving unit, a fixing unit for the driving unit, and an ejector.

[0027] For example, in order to ensure the sealing between the above-mentioned cutting tool adapter and the above-mentioned housing, a sealing unit can be provided in the housing at the position where it connects with the cutting tool adapter.

[0028] For example, the drive unit is connected to the side of the cutting tool adapter away from the fluid delivery pipeline.

[0029] For example, the connection between the drive unit and the mining cutter equipment adapter can include: a threaded connection structure or a union connection.

[0030] It is understood that the aforementioned drive unit can convert the fluid energy in multiple directions through the conversion structure of the aforementioned cutting tool into fluid energy in the target direction. This fluid energy in the target direction can ensure that the jetting nozzle located at the end of the fluid cutting tool has more concentrated energy when spraying fluid.

[0031] For example, the structure of the drive unit described above may include a turbine drive structure, a blade motor drive structure, a gear motor drive structure, etc.

[0032] For example, the fixing unit of the drive unit is used to limit the specific position of the drive unit in the housing.

[0033] For example, the fixing unit of the above-mentioned driving unit does not limit the movement of the driving unit itself.

[0034] In one example, the aforementioned drive unit may be stationary relative to the fixed unit and housing of the drive unit, or it may be in motion relative to the fixed unit and housing of the drive unit, for example, the drive unit may rotate around its own axis.

[0035] For example, the jet injector described above can spray the fluid described above.

[0036] In one example, the jet ejector described above can be used to eject fluid that has a cutting motion in the ore.

[0037] For example, the jet ejector described above may have orifices for ejecting fluid, as detailed in the following description.

[0038] In this embodiment, the aforementioned mining cutter adapter, drive unit, and jet injector are all hollow structures, connected in sequence to the overload fluid.

[0039] For example, when the fluid has a certain pressure value, the mining cutter equipment conversion joint, the drive unit, and the ejector can all withstand the fluid transmission pressure and remain relatively stable.

[0040] It is understood that the aforementioned mining cutter conversion joint, the aforementioned drive unit, and the aforementioned jet ejector are used to transport fluid. The fluid flows in the direction corresponding to the connection sequence between the aforementioned mining cutter conversion joint, the aforementioned drive unit, and the aforementioned jet ejector, and is finally ejected through the aforementioned jet ejector.

[0041] For example, the end of the aforementioned mining cutter adapter that is away from the aforementioned housing can be connected to a fluid transmission pipeline.

[0042] Furthermore, when the fluid has a certain pressure value, the fluid transmission pipeline can withstand the fluid pressure. For example, the pipeline can be a colloidal pipeline that can withstand pressures of 100 MPa or above.

[0043] In the embodiments of this application, the hollow structure of the driving unit includes at least one driving sub-unit.

[0044] For example, the fluid drives at least one drive subunit to rotate, and the drive subunit converts the first torque of the fluid into a target torque, the direction of which is tangent to the direction of the first torque.

[0045] It is understood that the aforementioned drive subunit is disposed within the hollow structure of the aforementioned drive unit. The first torque generated by the flow of the aforementioned fluid can drive the aforementioned drive subunit to generate the aforementioned target torque, which causes the aforementioned drive subunit to rotate, thereby causing the entire drive unit to rotate.

[0046] For example, the aforementioned drive subunit and the aforementioned drive unit can be relatively fixed or relatively movable, for example, the drive subunit can rotate around the axis of the drive unit.

[0047] For example, the aforementioned drive subunit can be one or more. In the case of multiple drive subunits, the drive subunits can be relatively fixed to each other and distributed along the axial direction of the hollow structure of the fluid mining cutter device.

[0048] In one example, when there are multiple drive subunits, the drive subunits can be connected to each other and relatively fixed.

[0049] For example, the structure of the drive subunit described above may include a turbine structure, and / or a blade motor structure, and / or a gear motor structure, etc.

[0050] In one example, where there are multiple drive sub-units and each drive sub-unit is a turbine structure, the turbine structures of the multiple drive sub-units can be different.

[0051] In another example, when there are multiple drive sub-units and the drive sub-units are turbine structures, the turbine structures of the multiple drive sub-units can be the same.

[0052] In this embodiment of the application, the fixing unit includes at least one fixing sub-unit, which is sleeved on the first position of the driving unit.

[0053] For example, the first position is the position in the drive unit where the fluid pressure value is higher than a preset pressure threshold, and the fixing unit is used to fix the drive unit in the housing.

[0054] Understandably, to ensure the stability of the drive unit when receiving fluid from the cutting tool adapter, and even to allow it to rotate relative to the adapter, the aforementioned fixing unit needs to be fitted onto the drive unit to guarantee the stability of both the adapter and the drive unit. Simultaneously, when pressurized fluid flows from the cutting tool adapter to the drive unit, the fluid generates flow forces in multiple directions within the drive unit, including axial and radial forces. The axial force extends along the axis of the cutting tool adapter and the drive unit, while the radial force extends from the axis towards the diameter of either the adapter's or the drive unit's unit wall. Upon reaching the drive unit, the drive unit receives flow forces from different directions. If these flow forces exceed a preset pressure threshold, the drive unit may deform or even be damaged. Based on this, the aforementioned drive subunit can be set at a target position on the drive unit. This target position can be a position where the fluid pressure value borne by the drive unit is higher than a preset pressure threshold. By bearing and mitigating a portion of the flow force, the drive unit can be ensured not to be damaged by the impact of the fluid.

[0055] For example, the aforementioned fixed subunit can be one or more.

[0056] For example, the number of the aforementioned fixed sub-units can be selected based on the maximum pressure that the aforementioned drive unit can withstand.

[0057] In one example, if a single fixed subunit is sufficient to enable the drive unit to move stably, then a single fixed subunit can be used; alternatively, multiple fixed subunits can be used to increase the load-bearing capacity of the drive unit.

[0058] For example, when there are multiple fixed sub-units, the multiple fixed sub-units can be arranged at intervals or in contact with each other.

[0059] It is understandable that the positions of the aforementioned fixed sub-units need to be set at locations within the aforementioned drive unit where the fluid pressure value exceeds a preset pressure threshold.

[0060] In this embodiment, the sealing unit is disposed at a second position of the drive unit, which is the interface edge of the drive unit and the mining cutter conversion joint.

[0061] For example, the sealing unit is used to seal the connection between the mining cutter equipment adapter and the housing.

[0062] It is understood that the sealing unit is used to create a seal at the conversion joint of the cutting tool device. The sealing unit can ensure that during the fluid transmission process, the fluid will not flow out from the connection between the conversion joint and the drive unit.

[0063] For example, the aperture sizes of the portions of the mining cutter equipment adapter and housing that are close to each other can be the same, and the axes can be in the same position.

[0064] For example, the structure of the sealing unit described above can be a mechanical seal, a magnetohydrodynamic seal, an oil seal, etc.

[0065] For example, when the above-mentioned sealing unit structure is a mechanical seal, the mechanical seal can be a planar mechanical seal structure.

[0066] For example, the material of the above-mentioned planar mechanical seal structure is an alloy material.

[0067] For example, when the material of the above-mentioned planar sealing structure is an alloy material, the alloy material is a hard alloy material.

[0068] For example, the sealing surface of the above-mentioned planar mechanical seal structure can be made of alloy materials or ceramic materials.

[0069] In one example, when the sealing unit adopts a planar mechanical seal structure, the entire planar mechanical seal structure is made of an alloy material.

[0070] In one example, when the sealing unit adopts a planar mechanical seal structure, the sealing surface of the planar mechanical seal structure is made of ceramic material, and the rest are alloy materials.

[0071] It is understandable that the material selection criteria for the above-mentioned planar mechanical seal structure include: resistance to compression, high hardness, wear resistance, and corrosion resistance.

[0072] For example, the shape of the sealing unit matches the shape of the connection between the mining cutter equipment adapter and the drive unit.

[0073] For example, the diameter of the hole at the connection between the sealing unit and the cutting tool and the drive unit is the same.

[0074] For example, the sealing unit can be located at the junction of the fluid mining cutter adapter and the drive unit. Specifically, the sealing unit is located on the inner wall of the hollow structure corresponding to the drive unit, and the sealing surface of the sealing unit is located at the interface between the drive unit and the fluid mining cutter adapter. The side away from the sealing surface can be located on the other side of the junction between the drive unit and the fluid mining cutter adapter.

[0075] In this embodiment, the fluid flows into the jet injector via the port of the drive unit away from the conversion connector of the cutting tool device.

[0076] For example, the jet injector is fixed relative to the drive unit.

[0077] For example, as can be seen from the foregoing, the fluid cutting tool component can output pressurized fluid, thereby cutting the mineral layer.

[0078] It is understandable that the jet ejector needs to be relatively fixed to the drive unit to ensure that the fluid with the target torque generated by the drive unit can be effectively transmitted to the jet ejector, and the finally ejected fluid can cut the ore body.

[0079] For example, the aperture size of the ejector can be the same as the aperture at the junction of the drive unit and the ejector.

[0080] For example, the jet ejector can be fixed relative to the drive unit by at least one of the following connection methods: threaded connection, spline connection, flange connection, etc.

[0081] For example, the material of the jet ejector can be alloy steel, hard alloy, or ceramic material.

[0082] In one example, where the ejector and the drive unit are connected by threads, a portion of the ejector structure is fitted onto the drive unit, wherein the ejector has internal threads on its inner wall and the drive unit has external threads on its outer wall.

[0083] For example, the jet ejector described above includes at least one sub-jet ejector.

[0084] For example, the number of sub-jet nozzles of the above-mentioned jet nozzle can be one or more.

[0085] Understandably, the number of sub-ejectors is primarily determined by the flow rate and pressure required to output the fluid. Specifically, different sub-ejectors can be used to inject fluids at different pressures, or they can be used to inject fluids at the same pressure.

[0086] In one example, where different sub-jet ejectors can be used to eject fluids with different pressure values, and where the fluid pressure value corresponds to the ejection pressure value of one or more sub-jet ejectors in the ejector, one or more sub-jet ejectors are in the open state of ejecting fluid, while the sub-jet ejectors in the ejector whose pressure values ​​do not correspond to the fluid pressure value are in the closed state.

[0087] For example, the shape and length of the sub-jet are not limited.

[0088] In one example, the length of the sub-jet can be 300mm-1500mm.

[0089] Understandably, when the sub-jet is shorter, it is lighter and requires less torque to rotate with the drive unit, thus improving its stability compared to the drive unit.

[0090] For example, the sub-jet injectors described above are connected to each other, and each sub-jet injector includes at least one fluid jet port.

[0091] It is understandable that the above-mentioned jet injector can be a single sub-jet injector or multiple sub-jet injectors.

[0092] For example, in the case where the jetter is a sub-jetter, the sub-jetter includes at least one fluid jet port.

[0093] Understandably, fluid is ejected from the aforementioned fluid jet nozzle, and the specific amount of fluid ejected is determined by the fluid pressure transported by the pipeline. The aforementioned sub-ejector may contain one fluid jet nozzle or multiple jet nozzles.

[0094] For example, the fluid jet port described above is an opening in the hollow structure of the jet injector that extends into the outer shell.

[0095] Furthermore, the shape and location of the fluid jet orifice are not limited. The shape of the fluid jet orifice can be cylindrical, conical, curved, or other shapes with a hollow structure to an outer shell.

[0096] Furthermore, the direction in which the fluid jet nozzle penetrates from the hollow structure to the outer shell is not limited.

[0097] It is understandable that the specific shape, location, and direction of extension of the fluid jet nozzle are designed primarily based on the specific fluid pressure and direction to be output.

[0098] For example, when there are multiple fluid jet ports, the distribution of the fluid jet ports can be uniformly distributed along the circumference of the jet injector, or it can be distributed in other ways.

[0099] Furthermore, the shape of each fluid jet can be the same or different.

[0100] It is understandable that the specific distribution of fluid jet nozzles is mainly designed based on the specific fluid pressure and direction to be output.

[0101] In one example, in the case of a sub-ejector and multiple fluid jet ports, the multiple fluid jet ports are all cylindrical through the hollow part of the ejector to the outer shell, and are evenly distributed around the circumference of the ejector.

[0102] For example, in the case where the jet injector includes multiple sub-jet injectors, the multiple sub-jet injectors are connected to each other.

[0103] For example, multiple sub-ejectors are relatively fixed.

[0104] In one example, multiple sub-jet injectors can be fixed together by threaded connections.

[0105] For example, the shape and length of the multiple sub-ejectors are not limited, and are designed according to the specific fluid pressure and flow rate required for output.

[0106] like Figure 1 As shown, Figure 1 The diagram shows a fluid mining cutter device A, which includes a housing 10 and a cutting tool adapter 20. The housing 10 includes a sealing unit 11, a drive unit 12, a fixing unit 13 for the drive unit, and an ejector 14. The drive unit 12 includes two drive sub-units 121, which can rotate by fluid drive, converting the fluid's energy into rotational torque. The fixing unit 13 includes two fixing sub-units 131, which are fitted onto the drive unit 12 at a first position a. The sealing unit 11 is located at a second position b of the drive unit 12, ensuring a tight seal between the cutting tool adapter 20 and the drive unit 12. The ejector 14 includes a sub-ejector 141 with an ejection port 1411.

[0107] In this embodiment, the fluid mining cutter device includes a cutting tool adapter and a housing connected to the cutting tool adapter; the housing includes a sealing unit, a driving unit, a fixing unit for the driving unit, and an ejector; the cutting tool adapter, the driving unit, and the ejector are all hollow structures, sequentially connected to an overload fluid; the hollow structure of the driving unit includes at least one driving sub-unit, the fluid drives at least one driving sub-unit to rotate, and the driving sub-unit converts a first torque of the fluid into a target torque, the direction of the target torque being tangential to the direction of the first torque; the fixing unit includes at least one fixing sub-unit, the... Each fixed subunit is fitted at a first position of the drive unit, where the fluid pressure in the drive unit exceeds a preset pressure threshold. The fixed unit secures the drive unit within the housing. A sealing unit is positioned at a second position of the drive unit, at the interface edge between the drive unit and the cutting tool adapter. Fluid flows into the ejector through the port of the drive unit away from the cutting tool adapter. The ejector is fixed relative to the drive unit and includes at least one sub-ejector connected to each other. Each sub-ejector includes at least one fluid jet port. Thus, by using the drive unit, stable rotational cutting by the ejector is ensured; by using the sealing unit, the sealing performance when the housing rotates relative to the adapter is ensured; and by using the fixed unit to bear the load of the fluid on the cutting tool, the sealing and stability of the fluid cutting tool during rotational cutting are guaranteed.

[0108] Optionally, in this embodiment, the surface finish of the contact surface between the above-mentioned mining cutter equipment conversion joint and the sealing unit in the above-mentioned housing is greater than a preset surface finish threshold.

[0109] For example, the drive unit described above rotates relative to the mining cutter device adapter.

[0110] As can be understood from the foregoing, when fluid flows from the cutting tool adapter to the drive unit, the drive unit can rotate relative to the cutting tool adapter.

[0111] For example, when the drive unit moves relative to the cutting tool adapter, the surface finish of the radial interface between the cutting tool adapter and the sealing unit needs to be such that no fluid flows out while the interfaces are in contact, and relative movement is possible.

[0112] In one example, the preset smoothness threshold can be 0.2 (Ra) or higher.

[0113] like Figure 1 As shown, in Figure 1In the process, the aperture c at the junction of the mining cutter conversion joint 20 and the sealing unit 11 is the same as the aperture d at the junction of the sealing unit 11 and the mining cutter conversion joint 20. The mining cutter conversion joint 20 and the drive unit 12 have the same axis e, and the drive unit 12 rotates relative to the mining cutter conversion joint 20 about the axis e.

[0114] Optionally, in this embodiment of the application, the housing further includes at least two first fixing slots, and the driving unit further includes a second fixing slot that matches the setting position of the at least two first fixing slots.

[0115] For example, the housing uses the first fixing slot and the matching second fixing slot to align the axis of the drive unit with the axis of rotation in the housing.

[0116] It is understandable that by setting the first slot and the second slot mentioned above, the drive unit can be fixed relative to the housing in the axial direction.

[0117] For example, the first fixing slot is disposed at the inner diameter of the housing, and the second fixing slot is disposed at the outer diameter of the drive unit that matches the position of the first fixing slot.

[0118] For example, the first fixed slot and the second fixed slot can be stepped slot structures.

[0119] exist Figure 1 In the middle, the housing 10 includes two first fixing slots 15, and the drive unit 12 includes two second fixing slots 122 that match the first slots 15.

[0120] Optionally, in this embodiment, the fixing subunit is disposed in a preset space between the first fixing slot and the second fixing slot, and the preset space matches the size of the fixing subunit.

[0121] For example, the aforementioned fixing slot can lock the aforementioned fixing subunit in a fixed position between the housing and the drive unit.

[0122] exist Figure 1 In the middle, two fixed sub-units 131 are locked in the space defined by the first fixed slot 15 and the second fixed slot 122.

[0123] Optionally, in this embodiment, the fixed subunit includes a bearing structure with at least two force directions, and the at least two force directions match the torque direction of the fluid.

[0124] As can be understood from the foregoing, when pressurized fluid flows into the drive unit from the cutting tool conversion joint, in order to ensure the stable movement of the drive unit relative to the cutting tool conversion structure, the aforementioned fixed subunit needs to withstand the pressure from the fluid. The pressure direction of the fluid includes at least two directions, such as axial force and radial force.

[0125] For example, the side of the fixed subunit that is in contact with the drive unit rotates together, while the side of the fixed subunit that is in contact with the housing remains relatively fixed to the housing.

[0126] like Figure 1 As shown, the fixed subunit 131 includes a bearing structure 1311. Because the bearing structure 1311 contains ball rollers, the part of the bearing structure 1311 that is in contact with the drive unit 12 rotates together with the drive unit, while the part of the bearing structure 1311 that is in contact with the housing 10 remains stationary along with the housing 10.

[0127] Optionally, in the embodiments of this application, the bearing structure described above includes: a roller bearing and a ball bearing.

[0128] For example, the roller bearings and ball bearings described above are spaced apart by a spacer structure.

[0129] For example, as described above, the bearing structure can ensure that the side connected to the housing is fixed, while the side connected to the drive unit rotates with the drive unit. In this case, all or part of the bearing structure can withstand pressure in at least two or more bearing directions.

[0130] For example, the roller bearing described above is used to withstand radial forces.

[0131] For example, the ball bearing described above is used to withstand axial forces.

[0132] exist Figure 1 In the bearing structure 1311, there are roller bearings 13111 and ball bearings 13112. A spacer structure (equivalent to the spacer structure mentioned above) is provided between the roller bearings 13111 and the ball bearings 13112. This spacer structure is used to ensure that the roller bearings 13111 and the ball bearings 13112 maintain a relatively fixed distance.

[0133] Optionally, in this embodiment, the sealing unit includes a sealing connector and at least one pressure relief hole.

[0134] For example, the sealing connector is disposed at the interface edge of the drive unit and the mining cutter equipment conversion joint.

[0135] For example, the sealing connector described above is used to ensure the sealing between the mining cutter equipment adapter and the drive unit described above.

[0136] In one example, the radial interface shape of the sealing connector is the same as the radial interface shape of the mining cutter adapter, and or the radial interface shape of the sealing connector is different from the radial interface shape of the mining cutter adapter.

[0137] Furthermore, the aforementioned sealing connector can connect with the conversion joint of the cutting tool and the radial interface of the drive unit, and the size of the sealing connector matches the size of the radial interface of the cutting tool conversion joint and the size of the inner side of the radial interface of the drive unit.

[0138] For example, the at least one pressure relief hole is provided at a first sealing position of the seal and extends to the outside of the housing, wherein the first sealing position is any position of the first seal from the inner diameter to the outer diameter.

[0139] Understandably, during fluid transfer, despite the sealing structure, trace amounts of water can still leak into the housing cavity through the interface between the adapter and the housing under long-term operation and stress. If not released promptly, this fluid will accumulate and cause the pressure in the housing cavity to rise continuously, eventually compressing and damaging the fixed unit. Therefore, a pressure relief hole provides a pressure relief channel. At least one pressure relief hole can be provided, which runs through the first seal from the inside out, connecting to the outside of the housing to discharge the accumulated small amount of fluid. Simultaneously, it facilitates the observation of fluid flow.

[0140] For example, the aforementioned at least one pressure relief hole may include one or more, and their positions can be any location from the inside to the outside of the first seal. It should be noted that the multiple pressure relief holes are not overlapped.

[0141] Furthermore, a pressure relief hole is provided on the first seal and extends to the outside of the housing. The pressure relief hole can be a straight hole or a hole with a curved structure. This application embodiment does not limit this.

[0142] For example, the size of the pressure relief hole described above can ensure both pressure relief and sealing.

[0143] In one example, the size of the pressure relief hole is 3mm to 25mm.

[0144] like Figure 1 As shown, in Figure 1The sealing unit 11 includes a sealing connector 111 and a pressure relief hole 112. The diameter of the sealing connector 111 is larger than the orifice diameters c and d. The pressure relief hole 112 is located at the first sealing position 1111 of the sealing connector 111 and extends to the outside of the housing 10. When the orifice diameters c and d are Φ33, the size of the pressure relief hole 112 is greater than 3mm. Specifically, the size of the pressure relief hole can be 3mm-25mm.

[0145] In this way, by setting up seals and pressure relief holes, it can be ensured that the fluid will not flow out during the flow of fluid in the fluid conveying joint equipment, thus ensuring airtightness. At the same time, it can also ensure the release of pressure generated by the fluid while maintaining airtightness.

[0146] Optionally, in this embodiment of the application, the jet ejector includes at least one jet orifice, and the pressure ejected from the jet orifice causes the fluid to form a circumferential impact zone on the mineral layer.

[0147] As can be understood from the foregoing, the jet orifice of the jet ejector is the jet port. Under the rotational motion of the jet ejector, the fluid with a certain pressure ejected from the jet orifice can form a circumferential impact zone on the mineral layer.

[0148] Because the jet nozzle rotates synchronously with the jet injector, the fluid ejected from the nozzle does not act on a single fixed point in the mineral layer, but continuously sweeps across the surface of the mineral layer along the rotational trajectory. In this way, the fluid, after passing through the jet orifice, can perform a circumferential impact on the mineral layer, achieving the effect of cutting the mineral layer.

[0149] Optionally, in this embodiment of the application, the above-mentioned mining cutter equipment conversion joint includes a first aperture region and a second aperture region inside.

[0150] It is understandable that after the aforementioned fluid flows into the conversion joint of the mining cutter equipment through the pipeline, the aperture of the hollow structure inside the conversion joint can be the same or different. This is mainly determined by the pressure exerted on the stationary unit when the fluid flows into the drive unit.

[0151] For example, the diameter of the second aperture region is smaller than that of the first aperture region, and the second aperture region is connected to the sealing unit.

[0152] It is understood that the diameter of the second orifice is smaller than that of the first orifice. That is, as the fluid flows from the pipe into the connection point between the cutting tool adapter and the sealing unit, the orifice becomes smaller. This reduces the surface area for the fluid to flow into the drive unit, thus reducing the pressure it bears. For example, the first orifice region is located at the starting point of the fluid inflow, accounting for approximately 50% of the cutting tool adapter. For instance, if the cutting tool adapter is 300mm long, the first orifice region is 140mm.

[0153] like Figure 1 As shown, in Figure 1 The region containing aperture f is the first aperture region, located at the conveying end of the fluid mining cutter device A. Figure 1 The region containing aperture c is the second aperture region, located in the area after the fluid mining cutter A flows in.

[0154] As a result, the sealing unit has better sealing performance due to the reduced pressure, and at the same time, the pressure of the fluid on the fixing unit is also reduced accordingly, making the movement of the fluid mining cutter equipment more stable.

[0155] Optionally, in this embodiment, a support member is further provided inside the housing, and the support member is located on the side of the seal away from the mining cutter adapter.

[0156] Understandably, to ensure the stability of the drive unit's movement during fluid pressure transmission, a support component is installed on the side of the sealing connector away from the conversion joint of the mining cutter equipment. This support component can withstand the impact from fluid pressure, ensuring sealing. Simultaneously, while withstanding the fluid pressure impact, this support component also provides a certain degree of pressure buffering, ensuring the stability of the drive unit's movement.

[0157] For example, the radial dimension of the support component is the same as the radial dimension of the sealing connection.

[0158] For example, the support component can be made of carbon fiber.

[0159] For example, there is a certain gap between the support component and the drive unit. When the fluid flows into the sealing unit, the sealing unit is subjected to the pressure of the fluid and undergoes a certain degree of deformation due to the mutual compression during the sealing process, which fills the gap and keeps the support component and the drive unit relatively stable.

[0160] For example, a slot is provided on the inner wall of the drive unit, and the support component is disposed in the slot structure of the drive unit, thereby ensuring the stability of the position of the support component.

[0161] exist Figure 1 In the housing 10, a support member 16 is provided inside. The support member 16 is connected to the sealing unit 11 and has the same radial dimension as the sealing unit.

[0162] Optionally, in the embodiments of this application, the sealing unit, the driving unit, the fixing unit of the driving unit and the at least one jet generator in the housing have their axes coincident and rotate in the housing with the axis as the center.

[0163] It is understandable that the alignment of the sealing unit, drive unit, fixed unit of the drive unit, and ejector axis ensures stable rotational movement relative to the housing. This, in turn, guarantees the stability of the fluid mining cutter's movement.

[0164] Optionally, in this embodiment, the drive subunit is a turbine structure, which includes at least one turbine blade and a sealing housing that matches the at least one turbine blade. The turbine blade is disposed in the sealing housing, and the area of ​​the turbine blade on the boundary side of the sealing housing is larger than the area of ​​the turbine blade on the shaft core side of the sealing housing. The angle of each turbine blade matches the target torque.

[0165] Understandably, a turbine structure can convert the energy of a fluid into mechanical rotational energy through interaction with the turbine blades. Upon receiving a fluid impact, this turbine structure transforms the initial torque of the fluid—that is, the torque exerted in all directions—into a target torque. This target torque, as the fluid flows into the subsequent ejector, aligns with the direction of the fluid jet required by the ejector's jet gap, thereby maximizing the retention of impact energy and ensuring the high efficiency of the fluid jet process in breaking down the ore layer.

[0166] For example, the aforementioned drive subunit is integrally formed using 3D printing technology.

[0167] Furthermore, turbine blades can be mounted on the inner wall of the aforementioned drive subunit.

[0168] For example, the turbine blades described above are composed of radial blades arranged in a radially divergent pattern, and the turbine structure is a centrifugal turbine structure.

[0169] For example, the shape of the turbine blades described above can be a curved structure or an inclined structure.

[0170] For example, when there are multiple turbine blades, the turbine blades may have the same shape and may be uniformly arranged along the circumferential direction of the drive subunit.

[0171] For example, the turbine structure described above is mainly made of wear-resistant and corrosion-resistant alloy materials.

[0172] In one example, the aforementioned drive subunit has five turbine blades, which are evenly distributed along the radial direction of the drive subunit.

[0173] Understandably, the turbine structure mainly consists of a sealed housing and turbine blades. The sealed housing is a cylindrical, multi-layered stepped structure. The outer layer of the sealed housing has annular protrusions to ensure sealing and positioning accuracy after connection, and its main function is to form a confined flow channel for the fluid. The inner layer contains at least one turbine blade, which protects the internal turbine blade and provides structural support. The turbine blades consist of radial blades arranged in a "radial divergent" configuration, a typical blade form of centrifugal turbines. These blades guide fluid flow and achieve energy conversion, that is, converting the kinetic energy of the liquid into the torque required to rotate the fluid cutting tool. In other words, the turbine blades can absorb the kinetic energy of the fluid to generate the torque needed to drive the shaft rotation.

[0174] exist Figure 2 In the drive subunit 121, there is a turbine structure 1211, which includes three turbine blades 12111. The turbine blades 12111 are evenly distributed in the circumferential direction of the drive subunit 121, and the outer diameter of the drive subunit is 40mm.

[0175] Optionally, in this embodiment, the at least one drive subunit is detachably connected within the hollow structure of the drive unit.

[0176] It is understandable that when a fluid with a certain pressure flows through the drive subunit, it will impact the drive subunit. Under prolonged impact, the performance of the drive subunit will degrade, such as unstable rotation speed or reduced rotation speed. It is a vulnerable component. However, the other drive structures besides the drive subunit are relatively fixed to the drive subunit. Therefore, if the performance of the drive subunit degrades, only the drive subunit needs to be replaced, while the other parts of the drive unit do not need to be replaced.

[0177] For example, the drive subunit is mounted inside the drive unit, and the drive subunit and the drive unit are relatively fixed.

[0178] In one example, the aforementioned drive subunit and the aforementioned drive unit are in an interference fit at their radial contact surfaces.

[0179] Furthermore, threads are provided at certain positions on both ends of the axial contact surface of the aforementioned drive subunit, so that the aforementioned drive subunit is fitted inside the aforementioned drive unit.

[0180] In one example, the thread lengths at both ends of the interface are 30mm-60mm respectively.

[0181] Furthermore, to facilitate the installation of the aforementioned drive subunit, the remaining parts of the drive unit may be composed of multiple components.

[0182] In one example, the remaining parts of the aforementioned drive unit may consist of three components: component one is disposed between the cutting tool adapter and the drive subunit; component two is installed on the outer diameter of the drive subunit; and component three is installed on the side of the drive subunit away from the cutting tool adapter and is fixedly connected to the jet injector. During installation, component one is installed first, followed by component two, then the drive subunit, and finally component three.

[0183] like Figure 1 As shown, the drive unit 12 includes two drive subunits 121, a first drive unit 123, a second drive unit 124, and a third drive unit 125. The second drive unit 124 has threads at both ends for fixing the position of the drive subunit 121.

[0184] In this way, the drive subunit can be detachably installed in the hollow structure of the drive unit. Only the vulnerable drive subunit needs to be replaced, without replacing other parts of the drive unit, thus avoiding the waste of resources caused by replacing the whole unit.

[0185] Optionally, in this embodiment, the end of the mining cutter adapter furthest from the drive unit is matched with the first pipe.

[0186] Understandably, the cutting tool adapter needs to receive flowing fluid, which flows into the cutting tool adapter from the end away from the drive unit. The fluid flows into the cutting tool adapter through the first pipe. To ensure that the fluid flows completely into the adapter, the size of the first pipe needs to match the size of the end of the cutting tool adapter away from the drive unit.

[0187] For example, the connection method between the mining cutter equipment adapter and the first pipe joint may include at least one of the following: threaded connection, union connection.

[0188] For example, the cutting tool adapter may include a centralizer, which is installed at the end of the cutting tool adapter away from the drive unit.

[0189] Understandably, the centralizer is a centering guide mechanism that ensures the cutting tool operates in the center and reduces vibration.

[0190] For example, the aforementioned centralizer can suppress the radial vibration amplitude of the mining cutter equipment to below 0.1 mm / m.

[0191] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A fluid mining cutter device, characterized in that, The fluid mining cutter device includes a mining cutter device conversion joint and a housing connected to the mining cutter device conversion joint. The housing includes a sealing unit, a driving unit, a fixing unit for the driving unit, and an ejector. The mining cutter conversion connector, the drive unit, and the jet injector are all hollow structures, and are connected in sequence to the overload fluid. The hollow structure of the drive unit includes at least one drive sub-unit. The fluid drives the at least one drive sub-unit to rotate, and the drive sub-unit converts the first torque of the fluid into a target torque. The direction of the target torque is tangent to the direction of the first torque. The fixing unit includes at least one fixing sub-unit, and each fixing sub-unit is sleeved at a first position of the driving unit. The first position is a position in the driving unit where the fluid pressure value is higher than a preset pressure threshold. The fixing unit is used to fix the setting position of the driving unit in the housing. The sealing unit is disposed at the second position of the drive unit, which is the interface edge of the drive unit and the mining cutter equipment conversion joint; The fluid flows into the jet injector through the port of the drive unit away from the conversion connector of the cutting tool. The jet injector is fixed relative to the drive unit. The jet injector includes at least one sub-jet injector, which is connected to each other. Each sub-jet injector includes at least one fluid jet port. The sealing unit includes a sealing connector and at least one pressure relief hole; The sealing connector is located at the interface edge of the drive unit and the mining cutter equipment conversion joint; The at least one pressure relief hole is provided at the first sealing position of the sealing connector and extends to the outside of the housing. The first sealing position is any position of the sealing connector from the inner diameter to the outer diameter.

2. The device according to claim 1, characterized in that, The surface finish of the contact surface between the mining cutter equipment conversion joint and the sealing unit in the housing is greater than a preset surface finish threshold. The drive unit rotates relative to the mining cutter device conversion joint.

3. The device according to claim 1, characterized in that, The housing further includes at least two first fixing slots, and the drive unit further includes a second fixing slot that matches the setting position of the at least two first fixing slots. The housing uses the first fixing slot and the matching second fixing slot to align the axis of the drive unit with the axis of rotation in the housing.

4. The device according to claim 3, characterized in that, The fixing subunit is disposed in a preset space between the first fixing slot and the second fixing slot, and the preset space matches the size of the fixing subunit.

5. The device according to claim 1, characterized in that, The fixed subunit includes a bearing structure with at least two force directions, which match the torque direction of the fluid.

6. The device according to claim 5, characterized in that, The bearing structure includes: roller bearings and ball bearings.

7. The device according to claim 1, characterized in that, The jet ejector includes at least one jet orifice, and the pressure ejected from the jet orifice causes the fluid to form a circumferential impact zone on the mineral layer.

8. The device according to claim 1, characterized in that, The conversion joint of the mining cutter equipment includes a first aperture region and a second aperture region. The second aperture region is smaller than the diameter of the first aperture region, and the second aperture region is connected to the sealing unit.

9. The device according to claim 1, characterized in that, The housing also contains a support component, which is located on the side of the sealing connector away from the mining cutter conversion joint.

10. The device according to claim 1, characterized in that, The sealing unit, the driving unit, the fixing unit of the driving unit, and the at least one jet nozzle in the housing have their axes coincident and rotate in the housing with the axis as the center.

11. The device according to claim 1, characterized in that, The drive subunit is a turbine structure, which includes at least one turbine blade and a sealing housing that matches the at least one turbine blade. The turbine blade is disposed in the sealing housing, and the area of ​​the turbine blade on the boundary side of the sealing housing is larger than the area of ​​the turbine blade on the shaft core side of the sealing housing. The angle of each turbine blade is matched with the target torque.

12. The device according to claim 1 or 11, characterized in that, The at least one drive subunit is detachably connected in the hollow structure of the drive unit.

13. The device according to claim 1, characterized in that, The end of the mining cutter adapter furthest from the drive unit is matched with the first pipe.

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