28results about "Ice drilling" patented technology

A rapid assembly and automatic sampling drilling tool for frozen soil layer exploration includes a fixed flow divider, a flow guide pipe, a coring pipe and a drill bit. The fixed flow divider is connected to the drill bit through the flow guide pipe and the coring pipe mounted between the fixed flow divider and the drill bit. Two ends of the flow guide pipe communicate with the fixed flow divider and a main flow channel in the drill bit respectively. Hot water in the fixed flow divider can be conveyed into the drill bit through the flow guide pipe and sprayed from a nozzle arranged on the drill bit for drilling and coring operations. An inlet of the coring pipe communicates with a coring channel in an inner cavity in the drill bit, and a core sample drilled by the drill bit is taken out through the coring pipe.

The invention belongs to the related technical field of ocean engineering, and discloses a horizontal ice drilling transmission mechanism based on a flexible shaft, which comprises a drill bit assembly, the flexible shaft, a sleeve joint chain, an upper end joint assembly, a lower end joint assembly and a guide pipe, the sleeve joint chain is formed by hinging a plurality of sleeve joints end to end through pin shafts and is accommodated in the guide pipe; a channel used for guiding and restraining the sleeve joint chain is arranged in the guide pipe. The flexible shaft is arranged in an inner cavity of the sleeve joint chain in a penetrating mode. The upper end of the flexible shaft is connected with an external rotation driving device through an upper end connector assembly. The upper end of the sleeve joint chain is connected with an external lifting driving device through an upper end connector assembly. The whole transmission mechanism is compact in structure and small in radial size, the space of a small-diameter vertical ice hole can be fully utilized, and large-depth drilling from the vertical direction to the horizontal direction is achieved; and a more stable and efficient drilling process can be realized, and the requirements of different ice layer hardness and drilling depth are met.

A water-jet ice core drilling rig includes a drilling barrel and a water-jet cutter head. Drilling barrel water channels are disposed on an inner barrel wall of the drilling barrel. The water-jet cutter head includes an inner pipe and an outer pipe. The inner pipe and the drilling barrel are coaxial. The inner pipe is fixedly connected to an end of the drilling barrel. First water passages are disposed on an outer side of an end of the inner pipe. The first water passages are uniformly distributed along a circumferential direction of the inner pipe. The first water passages are in one-to-one correspondence with the drilling barrel water channels. Each of the first water passages is connected with a corresponding one of the drilling barrel water channels. The outer pipe is sleeved outside the first water passages, the outer pipe is coaxially and fixedly connected to the inner pipe.

The invention discloses a guide rail type rock drill for frozen bed rock construction, and relates to the technical field of guide rail type rock drills, the guide rail type rock drill comprises a working vehicle, a fixed guide rail, a drill rod and a first fixing sleeve, the fixed guide rail and the first fixing sleeve are installed above the working vehicle, and the drill rod is arranged in the fixed guide rail and the first fixing sleeve; the fixed guide rail is used for driving the drill rod to rotate and meanwhile stretches out and draws back in the axis direction of the drill rod. The planet wheels rotate around the axis of the drill rod and rotate around the respective axes at the same time, it is ensured that the drill rod does not deviate during drilling in the later period, positioning is accurate, slipping of the drill rod is reduced, the drill rod does not slip, positioning is accurate, the drill rods supplement each other, and the breaking drill bit can be repeatedly stretched out and drawn back under the action of the telescopic spring; and when the crushing drill bit goes deep into the drilling limit, the drill rod continues drilling, and the crushing drill bit stops rotating.

The invention relates to the technical field of steam drills, and discloses an integrated steam drill which comprises a drill rod, the drill rod comprises a drill bit, and a steam generator and a gas-liquid mixing assembly are sequentially arranged at the position, close to the drill bit, of the drill rod; the gas-liquid mixing assembly comprises a liquid storage part and a gas conveying pipeline capable of being communicated with an external high-pressure gas source, an atomizer is connected to the gas conveying pipeline, and a gas-liquid mixing cavity is formed in the atomizer. A coil pipe and a combustion mechanism are arranged in the steam generator, the inlet end of the coil pipe is communicated with the outlet end of the gas conveying pipeline, and the combustion mechanism is close to the coil pipe and can be communicated with an external gas source. The combustion mechanism heats the gas-liquid mixed medium in the coil pipe into steam by combusting gas; one end of the drill bit is connected with the steam generator, and the other end of the drill bit is provided with a nozzle communicated with the outlet end of the coil. The drill bit is directly connected with the steam generator, so that the heat loss of the steam in the conveying process can be reduced, and the working efficiency of the drill bit is ensured.

A water-jet ice core drilling rig includes a drilling barrel and a water-jet cutter head. Drilling barrel water channels are disposed on an inner barrel wall of the drilling barrel. The water-jet cutter head includes an inner pipe and an outer pipe. The inner pipe and the drilling barrel are coaxial. The inner pipe is fixedly connected to an end of the drilling barrel. First water passages are disposed on an outer side of an end of the inner pipe. The first water passages are uniformly distributed along a circumferential direction of the inner pipe. The first water passages are in one-to-one correspondence with the drilling barrel water channels. Each of the first water passages is connected with a corresponding one of the drilling barrel water channels. The outer pipe is sleeved outside the first water passages, the outer pipe is coaxially and fixedly connected to the inner pipe.

This invention discloses a thermomelting drill bit with a built-in retractable drill pipe, belonging to the field of thermomelting detection technology for subglacial lakes in polar regions. In this thermomelting drill bit, the motor rotates clockwise, and the nut and drill pipe assembly move linearly within a slot in the fixed outer tube. The drill pipe assembly can push open the sealing cap and extend from the main body of the thermomelting drill bit. The nut slides out of the slot in the fixed outer tube and enters the rotating bearing platform. The nut and screw are fixed in place by the anti-rotation part of the screw. The drill pipe assembly and nut rotate clockwise together. After completing the core sampling task, the screw and drill pipe assembly rotate counterclockwise. The nut enters the slot in the fixed outer tube under the constraint of the limit stop assembly, and the drill pipe assembly begins to retract. After the drill pipe assembly retracts, the ice core is transferred from inside the drill pipe assembly to inside the screw, and the sealing cap closes accordingly. This enables precise core sampling during thermomelting drilling and storage of the ice core within the screw.

This invention discloses a soft robot system and its working method for sampling polar ice layers, applied in the field of polar drilling technology. It includes a soft robot and an ice surface working platform. The soft robot comprises a sub-ice drilling soft body and an ice surface sealing soft body. The sub-ice drilling soft body includes a soft body main unit and a heat-fusion module located at the front end of the soft body main unit. The ice surface sealing soft body includes a soft body main unit. Both soft body main unit one and soft body main unit two are provided with hollow channels, and several air chambers are provided inside soft body main unit one on both sides of the hollow channels. The ice surface working platform includes a pneumatic system, a pipeline system, a water storage system, and a main controller. The main controller is electrically connected to the pneumatic system, the pneumatic system pipelines are connected to the pipeline system, and the pipeline system pipelines are connected to the water storage system and the air chambers. The pipeline system passes through the hollow channels and connects soft body main unit one and soft body main unit two in series. This invention meets the existing requirements of unmanned drilling, flexible selection of sampling locations, no complex mechanical structure, and low propulsion resistance in ultra-deep drilling.

This invention discloses a thermal fusion drilling tool suitable for ice layers containing impurities, belonging to the field of ice layer thermal fusion detection technology. It includes a thermal fusion drill bit, a front-end crawling mechanism, a scientific detection chamber, a deflection mechanism, a rear-end crawling mechanism, and an end-effector. The front-end crawling mechanism drives the thermal fusion drill bit to rotate, preventing impurity particles from accumulating at the bottom of the hole and improving drilling efficiency. One end of the scientific detection chamber is connected to the front-end crawling mechanism, and the other end is connected to the deflection mechanism. It houses corresponding scientific detection devices for sampling and data acquisition. The deflection mechanism is used for the swaying between the various mechanisms of the thermal fusion drill bit. The rear-end crawling mechanism allows the drill bit to crawl on large rocks and ice surfaces, increasing the spatial freedom of the drill bit. This invention enables both thermal fusion drilling and rotary drilling. The deflection mechanism and the rear-end crawling mechanism work together to allow the thermal fusion drill bit to drill under various geological conditions, improving the drill bit's flexibility and reliability, and achieving the goal of deep-depth exploration.

The application relates to the technical field of glacier drilling, in particular to a portable glacier drilling electric drill, which comprises an electric drill, the front surface of the electric drill is provided with a drill bit, the outer surface of the electric drill is provided with a mounting plate, the side surface of the mounting plate is connected with a clamping plate, an adjusting hole is arranged in one side of the mounting plate, an adjusting bolt is arranged in the adjusting hole, a locking bolt is threadedly connected with the position close to the front surface of one side of the mounting plate, a connecting plate is fixedly connected to the top of the mounting plate, and the side surface of the connecting plate is fixedly connected with a handle. The portable glacier drilling electric drill can adjust the distance between the two mounting plates, make one of the mounting plates align with the adjusting hole, connect the mounting plate with the clamping plate through the adjusting bolt and the locking bolt, and fix the electric drill. The handle can conveniently carry and control the electric drill during use, and the electric drill can be adjusted according to the model, so that the applicability is high.

The invention discloses a large-depth ice layer hot water drilling tool accurate speed regulation lifting system and a using method thereof, and belongs to the technical field of hot water drills. The system comprises a drilling winch, a drilling hose, a hose driving device, a drill tower and an inner ring cooperative control unit; the drilling winch is used for storing a large-length drilling hose and is matched with the hose driving device to take up and pay off the drilling hose; the drilling hose is used for providing hot water, electric power and communication for the hot water drilling tool; and the hose driving device is used for lifting the drilling hose and the hot water drilling tool in the drill hole. And the inner ring cooperative control unit ensures a cooperative work function. According to the method, under cooperation of all parts of the system, the hose driving device actively controls the lifting speed of the hot water drilling tool, the drilling winch works cooperatively in a constant torque mode, the tension of the drilling hose is maintained, drilling or lifting operation is carried out, orderly winding and unwinding of the large-length drilling hose are achieved, and stable control over lifting operation of the hot water drilling tool is achieved. And the drilling speed control precision, the cooperative work performance and the self-adaptive adjusting capacity are good.

This invention relates to the field of steam drilling technology and discloses an integrated steam drill, including a drill rod, a drill bit, and a steam generator and a gas-liquid mixing assembly arranged sequentially near the drill bit. The gas-liquid mixing assembly includes a liquid storage container and a gas supply pipe that can be connected to an external high-pressure gas source. An atomizer is connected to the gas supply pipe, and the atomizer has a gas-liquid mixing chamber. The steam generator has a coil and a combustion mechanism. The inlet end of the coil is connected to the outlet end of the gas supply pipe, and the combustion mechanism is located near the coil and can be connected to an external gas source. The combustion mechanism heats the gas-liquid mixture in the coil into steam by burning gas. One end of the drill bit is connected to the steam generator, and the other end has a nozzle that is connected to the outlet end of the coil. By directly connecting the drill bit to the steam generator, heat loss during steam transportation can be reduced, thereby ensuring the working efficiency of the drill bit.

The invention belongs to the technical field of on-ice operation tools, and discloses an ice surface punching device which comprises a vehicle body. The limiting assembly comprises a plurality of driving pieces and a plurality of limiting pieces, the limiting pieces are arranged on the vehicle body and penetrate through the vehicle body to extend into the ice surface, and the driving pieces are arranged on the limiting pieces and used for controlling the limiting pieces to be connected with the ice surface in a limiting mode; the drilling assembly comprises a positioning cover and a drilling part, the positioning cover is installed on the vehicle body through an adjusting part, the positioning cover is in limiting connection with the ice surface through an adsorption part, and the drilling part is arranged in the positioning cover and used for drilling the ice surface; and the collecting assembly comprises a collecting piece and a collecting box, the collecting box is fixedly connected to the positioning cover, the collecting piece is arranged in the positioning cover and communicates with the collecting box, and the collecting piece is used for collecting ice residues generated during punching operation. The technical problems that in the prior art, ice surface drilling labor intensity is high, positioning is not stable, and ice slag is inconvenient to clean are solved.

The invention discloses a peristaltic hot melting drilling tool and method suitable for an ice layer of an extraterrestrial celestial body, and belongs to the technical field of ice layer hot melting detection.The drilling tool comprises a hot melting drill bit device, a telescopic device, a deflection device, an anchoring device and a side wall heating pipe, and the hot melting drill bit device is used for executing hot melting drilling; the telescopic device is used for driving the hot melting drill bit device to stretch out and retract in the axial direction and providing bit pressure. The telescopic device is sleeved with the side wall heating pipe, and the deflection device is used for driving a whole formed by the hot melting drill bit device, the telescopic device and the side wall heating pipe to deflect. The anchoring device is connected to the end, away from the telescopic device, of the deflection device and used for providing anchoring force in the drilling process. According to the method, the anchoring device and the telescopic device are matched with each other, and peristaltic drilling of the drilling tool is achieved by circularly executing the actions of anchoring, stretching drilling, anchoring releasing and retracting. The technical problem that in the prior art, in the drilling process of an ice layer of an extraterrestrial celestial body, efficiency is low, and even drilling cannot be conducted is solved.

The invention discloses a high-altitude frozen soil sample collection device, and relates to the technical field of frozen soil sample collection, the high-altitude frozen soil sample collection device comprises a support rod, a support base fixedly connected to one end of the support rod, and a motor fixedly connected to the other end of the support rod; the drilling and digging sampling structure comprises a rotating shaft with one end fixedly connected to the motor, an outer drilling barrel fixedly connected to the rotating shaft, an outer drilling cone fixedly connected to the outer drilling barrel and a drilling assembly fixedly connected to the surface of the outer drilling cone. The spiral saws with different sizes are arranged in the drilling and digging structure, so that soil particles with different characteristics in frozen soil can be effectively treated, drilling resistance change caused by particle cohesiveness difference is avoided, and the continuity of a collection process and the integrity of a sample are ensured.

The present invention relates to a novel kind of machine for handling snow and ice, comprising a rotation shaft (4) and screw thread (5) surrounding the rotation shaft (4) at least partly as well as a transmission coupling (6) for rotating the rotation shaft (4) and screw thread (5). The rotation shaft (4) and the screw thread (5) are surrounded by an outer tube (1) and the assembly usually includes an ice blade (7), a snow blade (8) and a connection means fitted at the end of the centre shaft for interchangeable attachment of the ice blade (7) and snow blade (8).

This invention discloses a plasma ice layer drill bit, relating to the field of drilling equipment technology. It includes a housing and a drilling mechanism, with the drilling mechanism located at the bottom of the housing. The drilling mechanism comprises a drill bit housing, a drive mechanism, an electrode disk, a water spraying mechanism, and a water suction mechanism. The drive mechanism is installed at the top inside the drill bit housing, and its telescopic rod is connected to the electrode disk. The electrode disk has a first row and a second row of cylindrical protrusions arranged in a ring on its surface. The drill bit housing has corresponding guide holes, with arc guide grooves between the guide holes. The water spraying mechanism is located between the first and second rows of cylindrical protrusions. A high-voltage electrode is located at the top of the first row of cylindrical protrusions, and a grounding electrode is located at the top of the second row of cylindrical protrusions. The water suction mechanism is located within the drill bit housing. This invention effectively prevents the electrodes of the plasma drill bit from colliding with the ice layer during drilling or insertion, thus improving the electrode's service life.

The present application belongs to the technical field of ice layer hot water drilling, and particularly relates to a reheated ejection type nozzle drill bit for ice layer hot water drilling and a drilling method. The structure of the reheated ejection type nozzle drill bit comprises a main flow interface, an absorption chamber, an ejection pipe and a mixing chamber, wherein the absorption chamber is provided with a plurality of tapered nozzles. High-temperature hot water of the main flow forms a high-speed low-pressure area after passing through the tapered nozzles under the action of external pump work, and low-temperature hot water of the secondary flow is sucked into the absorption chamber through the ejection pipe, and the two are mixed in the mixing chamber and ejected to impact the ice surface to melt the ice. The present application utilizes the ejection effect of the reheated ejection type nozzle to reheat and utilize the waste heat of the low-temperature hot water at the bottom of the drill hole, and at the same time, the convection heat exchange at the hole bottom is strengthened, so that the heat utilization rate of the hot water drilling system can be significantly improved. Meanwhile, the nozzle drill bit is free of mechanical transmission devices inside, and has the advantages of simple structure and reliable work.

The invention discloses an ultrasonic enhanced hot melting drilling tool for ice layer drilling and an ice melting method thereof, and belongs to the technical field of ice layer drilling. The ultrasonic enhanced hot melting drilling tool comprises a piezoelectric driving module and a hot melting module; the piezoelectric driving module is used for generating and transmitting axial ultrasonic vibration; the hot melting module is used for heating and melting the ice layer; the vibration output end of the piezoelectric driving module is connected with a drill bit base body of the hot melting module, so that ultrasonic vibration can be transmitted to the front end of the drill bit base body and cooperates with heat generated by the hot melting module to accelerate ice layer melting and refreezing of melt water. According to the ice melting method, based on the ultrasonic enhanced hot melting drill, the cavitation effect generated in a water melting film by ultrasonic vibration, the destructive effect on an ice crystal structure, the disturbance effect on a water body and the cooperative heating effect are utilized, ice layer melting is accelerated, and the ultrasonic enhanced hot melting drill is propelled. Compared with the prior art, higher drilling speed, lower energy consumption and a more stable melting interface can be realized.

An integrated steam drill includes a drill rod. The drill rod includes a drill bit. A steam generator and an air-liquid mixing assembly are sequentially provided at positions of the drill rod facing toward the drill bit in that order. The air-liquid mixing assembly includes a liquid storage component and an air pipeline. The air pipeline is connected to an atomizer including an air-liquid mixing chamber. The steam generator is internally provided with a coil pipe and a combustion mechanism. An inlet end of the coil pipe is connected to an outlet end of the air pipeline. The combustion mechanism faces toward the coil pipe and is configured for connecting an external gas source. An end of the drill bit is connected to the steam generator, and another end of the drill bit is provided with a nozzle. The nozzle is connected to an outlet end of the coil pipe.

The invention discloses a full-link supply system capable of performing bionic sampling while drilling, and belongs to the technical field of polar region drilling. The full-link supply system mainly comprises a drill bit, a bionic gas-liquid separation system and a gas step-by-step distribution system. The drill bit is conical, a rectangular pyramid-shaped cavity is formed in the lower end of the drill bit, the heating wire is inserted into the lower drill bit body in a bionic fractal mode, the heating efficiency of the drill bit can be improved, a bionic hydrophobic structure in the bionic gas-liquid separation system can efficiently separate melt water from bubbles in water, full-component separation of gas is guaranteed, and the gas step-by-step distribution system can effectively separate gas of all components. The concentration is analyzed through the sensing array; in polar region ice layer hot melting drilling, efficient drilling of the ice layer, rapid gas-liquid separation and real-time component detection are integrated, and a design scheme of a full-link supply system is provided.

The present invention discloses an ice drill coring device for exploration and a working method thereof, comprising a crawler trolley, a lift installed on the crawler trolley, a coring mechanism installed on the lift, the coring mechanism comprising a fixed sleeve, a coring barrel sleeved on the outer side of the fixed sleeve, a limiting rod embedded on the inner side wall of the coring barrel, a first mounting groove provided on the inner side of the limiting rod, a limiting top block installed in the first mounting groove, the limiting top block being hinged to the inner wall of the first mounting groove through a supporting shaft, the supporting shaft being close to the lower end of the limiting top block, a limiting slot being provided on the side surface of the limiting rod close to the axis of the coring barrel, a limiting slide being slidably embedded in the limiting slot, a limiting through-hole being provided on the limiting slide, the limiting top block being limited by the limiting through-hole and the inner cavity structure of the first mounting groove, so that the end of the limiting top block maintains stable contact with the core body, ensuring that as many core bodies as possible are taken out to the ground.

The application provides an ice layer hot water drill bit capable of removing rock debris in a hole while drilling, and belongs to the technical field of polar ice cap drilling. The drill bit comprises an outer pipe, a baffle, a valve core, a spring, a drill bit body, a blocking wire, a first sealing ring, a valve sleeve, a second sealing ring, a nozzle and a third sealing ring. The drill bit can form a branch hole at the bottom of the hole by changing the flow channel, so that the rock debris falls into the branch hole to achieve the purpose of removing the rock debris in the main hole, thereby greatly improving the drilling efficiency of the hot water drill when drilling through the ice layer containing rock debris. The drill bit utilizes the hydraulic principle, and the valve core is continuously kept at the upper limit position under the hot water pressure by arranging an annular cavity, so that the structure is simple and reliable.

The invention provides a casing well cementation technology for a polar region grain snow layer, relates to the technical field of ice layer drilling, and solves the technical problems that in polar region drilling, the casing sealing cost is high, the effect is poor, and economic loss and environmental pollution are caused due to the fact that drilling fluid leaks easily. The well cementation technology comprises the following steps that S1, a large-diameter first-opening drilling tool is used for drilling operation, drilling is conducted to a certain depth below the interface of a grain snow layer and an ice layer so as to form a first-opening drill hole, and the first-opening drilling tool is taken out from the bottom of the hole; s2, a casing shoe and a casing are sequentially put into the first drilled hole, and the upper end of the casing is fixed to the ground surface; s3, the ground surface accumulated snow is melted into water through a ground surface heating device, the water is injected into the first drilled hole, and water injection is stopped after ground surface melt water in the first drilled hole meets the set requirement; and S4, waiting for a period of time, and after the ground surface melt water in the first drilling hole is completely frozen, tripping in a second drilling tool to drill through the frozen sealing ice layer in the center of the sleeve, and continuing to perform drilling operation downwards. The sleeve sealing device is used for sleeve sealing.

The invention discloses a multifunctional hot water drilling tool for ice layer drilling, which belongs to the technical field of ice layer hot water drilling, and comprises a water and electricity connector, a water segregator, a valve group, an axial nozzle, a radial reaming body, a radial nozzle and a telescopic inclined spraying unit which are mutually cooperated and matched, according to the hot water drilling tool, different hot water flow channels are switched through the electromagnetic valve, any combination of radial jet flow, axial jet flow and oblique jet flow is achieved, the three functions of downward hot water drilling, hot water local reaming and oblique hole solid phase impurity removing can be achieved through one set of drilling tool, and the hydraulic rod is adopted for pushing the flexible nozzle to stretch out obliquely and downwards to conduct oblique hole drilling. And forming of a small-diameter and large-length inclined hole is facilitated, the solid-phase impurity removal success rate is improved, and the drilling efficiency is effectively improved.

The invention discloses an active deviation correcting system with a reverse twisting function, and belongs to the technical field of ice layer drilling. A power mechanism of the system comprises a pressure-resistant cabin arranged in a sealed mode and a power assembly arranged in the pressure-resistant cabin; the transmission mechanism comprises three groups of ball screw transmission assemblies in one-to-one correspondence with the power assemblies; the anti-twisting mechanism comprises three groups of supporting assemblies which are respectively connected with the ball screw transmission assembly, each group of supporting assembly comprises a pull rod, a driving arm, a supporting arm and a rolling wheel sliding knife which are connected in sequence, the supporting arms are arranged on the transmission mechanism in a swinging manner through the driving arms, and the three groups of supporting arms are uniformly distributed in the same plane at an angle of 120 degrees; the rolling wheel sliding knife comprises a rolling wheel and sliding knives arranged on the two sides of the rolling wheel, the rolling wheel is used for rolling along the hole wall of the drill hole, and the sliding knives are used for abutting against the hole wall to generate reverse torsional moment. According to the deviation correcting system, after a hot melting drilling tool or an electric mechanical drilling tool deviates, the extending amount of the three supporting arms can be accurately controlled, and then the drilling tool keeps vertical drilling.

The application discloses an up-drilling hot melting drill bit with variable diameter, and belongs to the technical field of polar ice cap drilling, which comprises a first drill bit body, a spline rod, a first spring, a sliding sleeve, a second spring, a second drill bit body, a connecting rod, a first fixing block, a third spring, a limiting sleeve, a fourth spring, a second fixing block, an outer tube, a third drill bit body, a supporting rod, a fifth spring and a limiting gasket, which maintains a small diameter when drilling downward and increases the diameter when drilling upward, so that a large-diameter borehole is formed, and the problem that a recyclable hot melting detector is prone to being stuck when drilling upward in a dry hole section is solved; the interaction force between the drill bit and the ice layer is used as the power for increasing the diameter of the drill bit, and the drill bit can be self-locked when the diameter of the drill bit is increased to the maximum; the setting height of the second drill bit body and the third drill bit body is controlled, so that the retraction and extension movements of the second drill bit body and the third drill bit body are performed at different heights, the mutual interference of the second drill bit body and the third drill bit body is avoided, and the second drill bit body and the third drill bit body can be spliced into a complete ring after being extended, and the structure is simple and reliable.

The invention discloses an unmanned aerial vehicle ice breaking and water entering device which comprises an unmanned aerial vehicle body, an ice breaking unit and a lifting driver. The icebreaking unit comprises a mounting base, a plurality of first icebreaking tool bits and a chip removal mechanism, the mounting base is provided with an operation end and an operation end which are oppositely arranged, the operation end is provided with a chip removal channel, one end of the chip removal channel is located at the operation end, and the other end of the chip removal channel extends to a chip removal opening formed in the side portion of the mounting base; the plurality of first ice breaking cutter heads are circumferentially distributed around the central axis of the operation end and are used for cutting an ice layer and guiding generated ice chips to the chip removal channel; the chip removal mechanism is arranged in the chip removal channel; the lifting driver is installed on the unmanned aerial vehicle body. According to the ice breaking device, an ice layer can be evenly and efficiently cut, meanwhile, the chip removal channel and the built-in chip removal mechanism are matched, real-time collection and directional discharging of broken ice chips are achieved, mechanism clamping or motor overload damage caused by ice chip clamping stagnation is avoided, and the problem that in the prior art, the ice breaking efficiency is low due to ice chip accumulation is solved.