CN108326367B - Underwater cutting machine - Google Patents
Underwater cutting machine Download PDFInfo
- Publication number
- CN108326367B CN108326367B CN201810098692.6A CN201810098692A CN108326367B CN 108326367 B CN108326367 B CN 108326367B CN 201810098692 A CN201810098692 A CN 201810098692A CN 108326367 B CN108326367 B CN 108326367B
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- motor
- bin
- battery
- underwater
- electric appliance
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- 238000005520 cutting process Methods 0.000 title claims abstract description 112
- 230000005540 biological transmission Effects 0.000 claims description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 230000009467 reduction Effects 0.000 claims description 48
- 238000007789 sealing Methods 0.000 claims description 48
- 230000017525 heat dissipation Effects 0.000 claims description 45
- 230000008859 change Effects 0.000 claims description 14
- 239000013535 sea water Substances 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 description 40
- 230000009286 beneficial effect Effects 0.000 description 21
- 230000009471 action Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/16—Hand-held sawing devices with circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/003—Sawing machines or sawing devices with circular saw blades or with friction saw discs for particular purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/12—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The utility model discloses an underwater cutting machine which is characterized by comprising a cutting blade, a driving motor part, a battery part and a handle, wherein the front end of the driving motor part is fixed with the cutting blade, and the rear end of the driving motor part is fixedly inserted with the battery part.
Description
Technical Field
The utility model relates to the technical field of underwater cutting equipment, in particular to an underwater cutting machine.
Background
At present, the underwater cutting machine mainly comprises a cutting saw blade driven by hydraulic pressure, a power source is arranged on a ship, and the hydraulic motor is driven to rotate under the water through the pressure transmitted by a hydraulic pipe, so that the structure is complex.
To solve the above technical problem, CN204935924 discloses an utility model patent of a large-depth seabed portable electric cutting device based on a submersible, and the substantial disadvantages of the structure are: firstly, because the power supply of the motor is connected with a battery through an external electric circuit, the current is very large when the motor works, when the electric circuit is cut by underwater substances, the current is released into water, and divers or staff around a circuit leakage water area can be shocked and dead, so that the safety is extremely poor, and underwater workers are not dared to use the electric shock; secondly, the pressure compensator is arranged outside the motor, and oil supply compensation in the motor bin is realized through an external oil supply pipeline, so that the oil supply pipeline is easily worn by underwater hard objects, and the motor cannot work due to water inlet damage; in addition, in the underwater operation process, the control box falls on the rear of the motor box, so that the cutting of the saw blade at the front end of the motor is affected, and the pipeline is worn by the control box; thirdly, the center line of the cutting saw blade is coaxial with the motor shaft, when the cutting saw blade is used, a fishing net is wound on the motor bin and the oil supply bin easily, the fishing net is wound together with a pipeline between the motor bin and the oil supply bin, and when the cutting saw blade is used, the cutting angle cannot be adjusted at will according to the direction of a cutting object, so that the cutting speed is low, and the working efficiency is low.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides the underwater cutting machine which is compact in structure, safe to operate, convenient to carry, high in cutting speed, high in working efficiency and convenient to disassemble and assemble.
The technical scheme adopted for solving the technical problems is as follows:
the underwater cutting machine is characterized by comprising a cutting blade, a driving motor part, a battery part and a handle, wherein the front end of the driving motor part is fixed with the cutting blade, the rear end of the driving motor part is fixedly spliced with the battery part,
the driving motor part comprises a sealed motor bin, a motor, a heat dissipation oil pressure compensation device, a motor shaft water seal, a motor support bearing and an electric appliance bin, wherein the motor bin is formed by fixedly connecting a bin body, a fixing frame at the front end of the bin body and a rear bearing cover at the rear end of the bin body in a sealing way, the motor is fixedly arranged in the motor bin, a motor output shaft is fixedly arranged on the fixing frame through the motor support bearing, the front end of the output shaft of the motor is fixedly connected with a cutting blade, the motor shaft water seal is arranged between the two motor support bearings, a handle is fixedly arranged on the side wall of the motor bin, the rear end of the motor bin is in sealing connection with the electric appliance bin, heat dissipation oil is filled between the motor bin and the motor, the heat dissipation oil pressure compensation device is arranged on the rear bearing cover in the motor bin, a multi-needle binding post is fixedly arranged on the rear bearing cover, the motor is connected with the multi-needle binding post through a wire,
An electric appliance bin cover is fixed in the electric appliance bin, the front end of the electric appliance bin is fixed at the rear end of the motor bin through an O-shaped sealing ring in a sealing way so as to achieve the effect of convenient disassembly and assembly,
the electric appliance bin cover is provided with a driver, the driver is connected with a motor through a multi-needle binding post, the driver adopts a brushless driver, the motor adopts a brushless motor, the motor can be controlled through the driver, the sealing effect can be achieved through the multi-needle binding post to isolate heat dissipation oil from flowing into the electric appliance bin, the electric appliance bin cover is also provided with a male underwater plug, the male underwater plug is electrically connected with the driver,
the battery part consists of a closed battery compartment, a battery, a female underwater plug, a power switch and a switch rotating button, wherein the battery compartment is fixedly connected with the electric appliance compartment, the front end of the battery compartment is provided with the female underwater plug, the rear end face of the battery compartment is provided with the switch rotating button, the battery compartment is internally fixedly provided with the battery, the battery compartment is spliced with the male underwater plug at the rear end of the electric appliance compartment through the female underwater plug so as to achieve the effect of conveniently replacing the battery, the front end of the battery is connected with the female underwater plug through an electrode, the rear end of the battery is provided with the power switch, a rotating shaft of the power switch is in sealing connection with a rear cover of the battery compartment through a water seal, a deflector rod at the front end of the power switch is matched with the switch rotating button, the power switch is connected in series with a wire between the battery and a driver, and when the deflector rod at the front end of the switch rotating button is contacted with a rocker on the power switch, the total power supply is opened, so that water is prevented from entering the battery compartment, and the effect of operation safety is achieved;
The handle is provided with a waterproof switch, and the waterproof switch passes through the motor bin through a lead and is connected with the multi-needle binding post so as to achieve the function of controlling the cutting switch.
The heat dissipation oil pressure compensation device comprises a piston cylinder, a piston, a spring and an oil seal, wherein one end of the piston cylinder is fixedly connected with a rear bearing cover, the piston is arranged in the piston cylinder and is in sliding connection with the piston cylinder through the oil seal so as to be beneficial to preventing heat dissipation oil in a motor bin from flowing into an electric appliance bin, the spring is arranged between the piston and the rear bearing cover, one end of the spring is abutted against the piston, the other end of the spring is abutted against the rear bearing cover so that the piston divides the piston cylinder into one end which is communicated with the motor bin, the other end of the spring is communicated with the electric appliance bin, after the heat dissipation oil in the motor bin absorbs heat of a motor to expand, the piston moves backwards against the tension of the spring so as to reduce the internal pressure in the motor bin, and after the heat dissipation oil cools, the piston automatically returns under the tension of the spring, and a sealing plug is arranged in the sealing plug so as to facilitate oiling the motor bin.
The invention can be provided with a cutting speed change device between the cutting blade and the motor output shaft, and the cutting speed change device comprises a transmission shell, a transmission shaft, a wear-resistant water seal, a ball bearing, a reduction gear, a transmission shell, a lock pin water seal, a gear lock pin and a driving gear.
According to the invention, the lock pin jack is radially arranged on the other side of the gearbox shell, the gear lock pin is arranged in the lock pin jack and is in sealing connection with the lock pin jack through the lock pin water seal, the rotation stopping holes are circumferentially arranged at the upper end of the reduction gear in an array manner, when the cutting blade needs to be replaced, the gear lock pin is pressed down, the lower end of the gear lock pin is inserted into the rotation stopping holes, and the reduction gear is positioned on the gearbox shell, so that the effect of quickly replacing the cutting blade is achieved.
The invention can be provided with a cutting blade circumferential rotation device between a gearbox shell and a fixed frame, and comprises an anti-rotation plate, a rotating frame, a positioning lock pin, a tensioning spring, balls and an O-shaped oil seal, wherein the periphery of the fixed frame is fixedly sealed with the front end of a motor bin, an inner hole is arranged in the center of the fixed frame, positioning holes are arranged in the circumferential array of the front end of the fixed frame, the rotating frame is arranged in the inner hole of the fixed frame, the rotating frame is connected with the fixed frame through the balls and the O-shaped oil seal, so that the rotating frame can rotate circumferentially relative to the fixed frame under the action of the balls, the axial limiting is realized, the cutting angle is changed according to the requirement, the sea water is prevented from entering the motor bin through the O-shaped oil seal, the front end of the rotating frame is fixedly connected with the anti-rotation plate and the gearbox shell, the rear end of the rotating frame is fixedly connected with the motor bin, the positioning lock pin is fixedly arranged on the anti-rotation plate, an extending rod of the positioning lock pin corresponds to the positioning hole on the fixed frame, when the positioning lock pin is required to rotate, the positioning lock pin is pulled, the rotating frame is driven to rotate, the rotating frame is driven by the rotating frame, the gearbox shell is driven to rotate, and then the cutting blade is driven to rotate by the rotating according to a proper angle, and the positioning lock pin is required to be inserted into the corresponding positioning hole to the positioning lock pin to change the required angle.
The invention can be provided with a lock nut, the rear end of the electric appliance bin is provided with a thread section, the front end of the battery bin is provided with an outer baffle ring, the lock nut is movably sleeved on the outer baffle ring of the battery bin, and the battery bin is fixedly connected with the electric appliance bin through the lock nut in a threaded manner so as to achieve the effect of convenience in disassembly and assembly.
The plug positioning pin can be arranged on the electric appliance bin cover of the electric appliance bin, so that the plug can be quickly inserted and positioned.
According to the invention, the front end of the motor bin shell is fixedly provided with the underwater camera and the LED lamp, the underwater camera is connected with the water display through the cable, the display is connected with the water power switch so as to be beneficial to the water personnel to track underwater dynamics at any time, and the LED lamp is connected in parallel with the multi-needle binding post connected with the battery and the driver wire so as to be beneficial to the illumination effect on the cutting object.
The invention can be sleeved with the buoy sleeve outside the battery bin and the motor bin, thereby being beneficial to reducing the weight in water and facilitating the operation of divers.
The buoy sleeve can be formed by combining the left half sleeve body and the right half sleeve body and then fixedly connecting the left half sleeve body and the right half sleeve body through the outer sleeve hoop so as to achieve the effect of convenient installation.
The invention can be provided with the mounting plate on water, the mounting plate is provided with the lifting handle, the display is fixed on the mounting plate, the water power switch can be arranged on the lifting handle, the mounting plate and the display, so that the effects of portability and convenient operation are achieved.
The invention can also be provided with a fuse between the battery and the driver to achieve the effect of safety protection.
Due to the adoption of the structure, the invention has the advantages of compact structure, safe operation, convenient carrying, high cutting speed, high working efficiency, convenient disassembly and assembly and the like.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural view of embodiment 2 of the present invention.
Fig. 5 is a left side view of fig. 4.
Fig. 6 is a top view of fig. 4.
Fig. 7 is a separated state diagram of the battery compartment and the electric appliance compartment of the present invention.
Fig. 8 is a schematic structural view of the over-the-sleeve buoy sleeve of the present invention.
Reference numerals: the cutting blade 1, the transmission shaft 2, the wear-resistant water seal 3, the reduction gear 4, the gearbox housing 5, the lock pin water seal 6, the gear lock pin 7, the driving gear 8, the positioning lock pin 9, the spring (tension spring) 10, the LED lamp 11, the waterproof switch 12, the handle 13, the lock nut 14, the male underwater plug 15, the battery compartment 16, the battery 17, the power switch 18, the water seal 19, the switch knob 20, the motor 21, the oil seal 22, the piston 23, the spring 24, the oil filling hole 25, the driver 26, the underwater camera 27, the fixing frame 28, the bearing cover 29, the ball 30, the O-shaped oil seal 31, the positioning pin 32, the female underwater plug 33, the float sleeve 34, the positioning hole 40, the motor compartment 41, the electric appliance compartment 42, the rear bearing cover 43, the multi-needle binding post 44, the piston cylinder 45 and the rear bearing cover 46.
Detailed Description
The invention is described below with reference to the drawings and examples.
As shown in the accompanying drawings, the underwater cutting machine is characterized by comprising a cutting blade 1, a driving motor part, a battery part and a handle 13, wherein the front end of the driving motor part is fixed with the cutting blade, the rear end of the driving motor part is fixedly connected with the battery part in an inserting way,
the driving motor part comprises a sealed motor bin 41, a motor 21, a heat dissipation oil pressure compensation device, a motor shaft water seal, a motor support bearing and an electric appliance bin 42, wherein the motor bin 42 is formed by fixedly connecting a bin body, a fixing frame 28 at the front end of the bin body and a rear bearing cover 43 at the rear end of the bin body in a sealing way, the motor 21 is fixedly arranged in the motor bin 41, an output shaft of the motor 42 is fixedly arranged on the fixing frame through the motor support bearing, the front end of the output shaft of the motor is fixedly connected with a cutting blade 1, the motor shaft water seal is arranged between the two motor support bearings, a handle 13 is fixedly arranged on the side wall of the motor bin 41, the rear end of the motor bin 41 is in sealing connection with the electric appliance bin 42, heat dissipation oil is filled between the motor bin 41 and the motor 21, a plurality of binding posts 44 are also fixedly arranged on the rear bearing cover 43, the motor 21 is connected with the plurality of binding posts 44 through wires,
An electric appliance bin cover 45 is fixed in the electric appliance bin 42, the front end of the electric appliance bin 42 is fixed at the rear end of the motor bin 41 in a sealing way through an O-shaped sealing ring so as to achieve the effect of convenient disassembly and assembly,
the electric appliance bin cover 45 is provided with a driver 26, the driver 26 is connected with a motor through a multi-needle binding post 44, the driver adopts a brushless driver, the motor adopts a brushless motor, the motor can not only control the motor 42 through the driver 26, but also achieve the sealing effect through the multi-needle binding post so as to isolate heat dissipation oil from flowing into the electric appliance bin, the electric appliance bin cover 45 is also provided with a male underwater plug 15, the male underwater plug 15 is electrically connected with the driver 26,
the battery part consists of a closed battery bin 16, a battery 17, a female underwater plug 33, a power switch 18 and a switch rotating button 20, wherein the battery bin 16 is fixedly connected with an electric appliance bin 42, the front end of the battery bin 16 is provided with the female underwater plug 33, the rear end face is provided with the switch rotating button 20, the battery bin 16 is internally fixedly provided with the battery 17, the battery bin 16 is spliced with a male underwater plug 15 at the rear end of the electric appliance bin 42 through the female underwater plug 33 so as to achieve the effect of conveniently replacing the battery, the battery adopts a lithium battery, the front end of the battery 17 is connected with the female underwater plug 33 through an electrode, the rear end of the battery 17 is provided with the power switch 18, a rotating shaft of the power switch 18 is in sealing connection with a rear cover of the battery bin through a water seal, a deflector rod at the front end of the power switch 18 is matched with the switch rotating button 20, the power switch is arranged on a wire between the battery and a driver, and when the deflector rod at the front end of the switch rotating button 20 is contacted with a deflector on the power switch 18, the total power supply is turned on, and water is prevented from entering the battery bin so as to achieve the effect of safe operation;
The handle 13 is provided with a waterproof switch 12, and the waterproof switch 12 is connected with a multi-needle binding post 44 by a wire penetrating through the motor bin 41 so as to achieve the function of controlling the cutting switch.
The heat dissipation oil pressure compensation device comprises a piston cylinder 45, a piston 23, a spring 24 and an oil seal 22, wherein one end of the piston cylinder 45 is fixedly connected with a rear bearing cover, the piston 23 is arranged in the piston cylinder 45 and is in sliding connection with the piston cylinder 45 through the oil seal 22 so as to be beneficial to preventing heat dissipation oil in a motor bin from flowing into an electric appliance bin 42, the spring 24 is arranged between the piston 23 and the rear bearing cover 46, one end of the spring 24 is in contact with the piston 23, the other end of the spring is in contact with the rear bearing cover 46 so that the piston 23 divides the piston cylinder 45 into one end which is communicated with the motor bin 41, the other end is communicated with the electric appliance bin 42, when the heat dissipation oil in the motor bin 41 absorbs heat of a motor 21 and expands, the piston 23 moves backwards against the tension of the spring 24, so that the internal pressure in the motor bin 41 is reduced, after the heat dissipation oil cools, the piston 23 is automatically returned under the tension of the spring 24, and a sealing plug is arranged in the center of the piston 23 so as to be beneficial to oiling the motor bin.
The invention can be provided with a cutting speed change device between the cutting blade 1 and the output shaft of the motor 21, the cutting speed change device comprises a transmission shell 47, a transmission shaft 2, a wear-resistant water seal 3, a ball bearing, a reduction gear 4, a transmission shell 5, a lock pin water seal 6, a gear lock pin 7 and a driving gear 8, wherein the transmission shell 5 is fixedly connected with a fixed frame 28 in a sealing way, or can be integrally formed, the rear end of the transmission shell 5 is provided with a driving gear rotating cavity, one side of the transmission shell is provided with a reduction gear rotating cavity and a transmission shaft mounting cavity, the motor output shaft is fixedly provided with the driving gear 8 and is inserted into the driving gear rotating cavity, the transmission shaft mounting cavity is provided with the reduction gear 4, the upper end of the transmission shell 47 is fixedly connected with one side of the transmission shell 5, the two ends in the transmission shell 47 are respectively fixedly connected with the transmission shaft 2 through the ball bearing, the wear-resistant water seal 3 is arranged on the transmission shaft 2 between the ball bearing so as to prevent seawater from entering a motor bin 41 along the clearance between the transmission shell 47 and the transmission shaft 2, the upper part of the transmission shaft 2 passes through the reduction gear rotating cavity and the transmission shaft mounting cavity and the transmission shaft, and is fixedly connected with the reduction gear 4 in the reduction gear rotating cavity, the lower end of the reduction gear 4, and the transmission shaft is fixedly connected with the reduction gear 1, and the transmission shaft 8 is fixedly connected with the cutting speed change blade is convenient to be engaged with the cutting blade according to the requirement.
According to the invention, the other side of the gearbox shell 5 is radially provided with the lock pin jack, the lock pin jack is internally provided with the gear lock pin 9, the gear lock pin 9 is in sealing connection with the lock pin jack through the lock pin water seal, the circumference array at the upper end of the reduction gear 4 is provided with the rotation stopping holes 48, when the cutting blade needs to be replaced, the gear lock pin is pressed down, the lower end of the gear lock pin is inserted into the rotation stopping holes 48, and the reduction gear 4 is positioned on the gearbox shell 5, so that the effect of quickly replacing the cutting blade is achieved.
The invention can be provided with a cutting blade circumferential rotation device between a gearbox shell 5 and a fixed frame 28, which comprises an anti-rotation plate 50, a rotating frame 49 and a positioning lock pin 9, wherein the tensioning spring 10, a ball 30 and an O-shaped oil seal 31, the periphery of the fixed frame 28 is fixed with the front end of a motor bin in a sealing way, an inner hole is arranged in the center of the fixed frame 28, positioning holes are arranged in a circumferential array at the front end of the fixed frame 28, 4 positioning holes 40 are arranged in the circumferential array in the embodiment, the rotating frame 49 is arranged in the inner hole of the fixed frame 28, the rotating frame 49 is connected with the fixed frame 28 through the ball 30 and the O-shaped oil seal 31, so that the rotating frame 49 is enabled to rotate circumferentially relative to the fixed frame 28 under the action of the ball 30, the sealing is achieved through the O-shaped oil seal 31, sea water is prevented from entering the motor bin, the front end of the rotating frame 49 is fixedly connected with the anti-rotation plate 50 and the gearbox shell 5 respectively, the positioning lock pin 9 is fixedly arranged on the anti-rotation plate 50, a rod of the positioning 9 is correspondingly positioned with the positioning holes on the fixed frame 28, the positioning pin 9 extends out of the fixed frame 9, and the rotating frame 9 is enabled to rotate relative to the fixed pin 9 when the rotating frame 9 is required to rotate, and the positioning pin 9 is enabled to rotate in a proper way, and the positioning is enabled to rotate when the rotating frame 9 is enabled to rotate, and the positioning pin 9 is enabled to rotate, and the positioning pin to rotate when the positioning pin is required to be positioned to be in a proper to be positioned to be corresponding to the positioning position to the positioning hole and a position 9.
The invention can be provided with the lock nut 14, the rear end of the electric appliance bin 42 is provided with a thread section, the front end of the battery bin 16 is provided with an outer baffle ring, the lock nut 14 is movably sleeved on the outer baffle ring of the battery bin, and the battery bin 16 is fixedly connected with the electric appliance bin 42 through the lock nut 14 in a threaded manner so as to achieve the effect of convenient disassembly and assembly.
The plug positioning pin 32 can be arranged on the electric appliance bin cover 45 of the electric appliance bin 42, so that the plug can be quickly inserted and positioned.
According to the invention, the underwater camera 27 and the LED lamp 11 can be fixedly arranged at the front end of the shell of the motor bin 41, the underwater camera 27 is connected with the water display 35 through a cable, the display 35 is connected with the water power switch 39 so as to be beneficial to the water personnel to track underwater dynamics at any time, and the LED lamp 11 is connected in parallel with the multi-needle binding post connected with the battery and the driver wire so as to be beneficial to the illumination effect on the cutting object.
The invention can be sleeved with the buoy sleeve 34 outside the battery bin 16 and the motor bin 41, so as to be beneficial to reducing weight in water and facilitating operation of divers.
The buoy sleeve can be formed by combining the left half sleeve body and the right half sleeve body and then fixedly connecting the left half sleeve body and the right half sleeve body through the outer sleeve hoop so as to achieve the effect of convenient installation.
The invention can also be provided with a fuse between the battery and the driver to achieve the effect of safety protection.
Preferred embodiment 1: as shown in fig. 4, 5 and 6, the underwater cutting machine is characterized by comprising a cutting blade 1, a driving motor part, a battery part and a handle 13, wherein the front end of the driving motor part is fixed with the cutting blade, the rear end of the driving motor part is spliced and fixed with the battery part,
the driving motor part comprises a sealed motor bin 41, a motor 21, a heat dissipation oil pressure compensation device, a motor shaft water seal, a motor support bearing and an electric appliance bin 42, wherein the motor bin 42 is formed by fixedly connecting a bin body, a fixing frame 28 at the front end of the bin body and a rear bearing cover 43 at the rear end of the bin body in a sealing way, the motor 21 is fixedly arranged in the motor bin 41, an output shaft of the motor 42 is fixedly arranged on the fixing frame through the motor support bearing, the front end of the output shaft of the motor can be directly fixedly connected with a cutting blade 1 (not shown in the figure), a cutting speed change device is arranged between the cutting blade 1 and the output shaft of the motor 21, the cutting speed change device is preferably arranged between the cutting blade 1 and the output shaft of the motor 21, the motor shaft water seal is arranged between the two motor support bearings, a handle 13 is fixedly arranged on the side wall of the motor bin 41, the rear end of the motor bin 41 is in sealing connection with the electric bin 42, heat dissipation oil is filled between the motor bin 41 and the motor 21, a heat dissipation oil pressure compensation device is arranged on a rear bearing cover 43 in the motor bin 41, a multi-needle binding post 44 is also fixed on the rear bearing cover 43, the motor 21 is connected with the multi-needle binding post 44 through a wire, the cutting speed changing device comprises a transmission shell 47, a transmission shaft 2, a wear-resistant water seal 3, a ball bearing, a reduction gear 4, a gearbox shell 5, a lock pin water seal 6, a gear lock pin 7 and a driving gear 8, the gearbox shell 5 is in sealing and fixed connection with a fixed frame 28, or the gearbox shell 5 and the fixed frame 28 can be integrally formed, a driving gear rotating cavity is arranged at the rear end of the gearbox shell 5, one side is provided with the reduction gear rotating cavity and the transmission shaft mounting cavity, the driving gear 8 is fixed on the motor output shaft, the transmission shaft is inserted into a driving gear rotating cavity, a reduction gear 4 is arranged in a transmission shaft mounting cavity, the upper end of a transmission housing 47 is fixedly connected with one side of a gearbox housing 5, the two ends in the transmission housing 47 are respectively fixedly connected with a transmission shaft 2 through ball bearings, a wear-resistant water seal 3 is arranged on the transmission shaft 2 between the ball bearings so as to prevent seawater from entering a motor bin 41 along the gap between the transmission housing 47 and the transmission shaft 2, the upper part of the transmission shaft 2 passes through the reduction gear rotating cavity and the transmission shaft mounting cavity and is fixedly connected with the reduction gear 4 in the reduction gear rotating cavity, the lower end of the transmission shaft is fixedly connected with a cutting blade 1, and the driving gear 8 is meshed with the reduction gear 4 so as to achieve the effect of regulating the speed of the cutting blade according to requirements, so that the use is greatly facilitated; the invention is characterized in that an electric appliance bin cover 45 is fixed in an electric appliance bin 42, the front end of the electric appliance bin 42 is fixed at the rear end of a motor bin 41 in a sealing way through an O-shaped sealing ring so as to achieve the effect of convenient disassembly and assembly, a driver 26 is arranged on the electric appliance bin cover 45, the driver 26 is connected with a motor through a multi-needle binding post 44, the driver adopts a brushless driver, the motor adopts a brushless motor, the motor 42 can be controlled through the driver 26, the sealing effect can be achieved through the multi-needle binding post so as to isolate heat dissipation oil from flowing into the electric appliance bin, a male underwater plug 15 is also arranged on the electric appliance bin cover 45, and the male underwater plug 15 is electrically connected with the driver 26;
The battery part consists of a closed battery compartment 16, a battery 17, a female underwater plug 33, a power switch 18 and a switch rotating button 20, wherein the battery compartment 16 is fixedly connected with an electric appliance compartment 42, the front end of the battery compartment 16 is provided with the female underwater plug 33, the rear end face is provided with the switch rotating button 20, the battery compartment 16 is internally fixedly provided with the battery 17, the battery compartment 16 is spliced with a male underwater plug 15 at the rear end of the electric appliance compartment 42 through the female underwater plug 33 so as to achieve the effect of conveniently replacing the battery, the front end of the battery 17 is connected with the female underwater plug 33 through an electrode, the rear end of the battery 17 is provided with the power switch 18, a rotating shaft of the power switch 18 is in sealing connection with a rear cover of the battery compartment through a water seal, a deflector rod at the front end of the power switch 18 is matched with the switch rotating button 20, the power switch is connected on a wire between the battery and a driver in series, and when a deflector rod at the front end of the switch rotating button 20 is contacted with a warping plate on the power switch 18, the total power supply is opened, so that water is prevented from entering the battery compartment, and the effect of operation safety is achieved;
the handle 13 is provided with a waterproof switch 12, and the waterproof switch 12 is connected with a multi-needle binding post 44 by a wire penetrating through the motor bin 41 so as to achieve the function of controlling the cutting switch.
The heat dissipation oil pressure compensation device comprises a piston cylinder 45, a piston 23, a spring 24 and an oil seal 22, wherein one end of the piston cylinder 45 is fixedly connected with a rear bearing cover, the piston 23 is arranged in the piston cylinder 45 and is in sliding connection with the piston cylinder 45 through the oil seal 22 so as to be beneficial to preventing heat dissipation oil in a motor bin from flowing into an electric appliance bin 42, the spring 24 is arranged between the piston 23 and the rear bearing cover 46, one end of the spring 24 is in contact with the piston 23, the other end of the spring is in contact with the rear bearing cover 46 so that the piston 23 divides the piston cylinder 45 into one end which is communicated with the motor bin 41, the other end is communicated with the electric appliance bin 42, when the heat dissipation oil in the motor bin 41 absorbs heat of a motor 21 and expands, the piston 23 moves backwards against the tension of the spring 24, so that the internal pressure in the motor bin 41 is reduced, after the heat dissipation oil cools, the piston 23 is automatically returned under the tension of the spring 24, and a sealing plug is arranged in the center of the piston 23 so as to be beneficial to oiling the motor bin.
According to the invention, the other side of the gearbox shell 5 is radially provided with the lock pin jack, the lock pin jack is internally provided with the gear lock pin 9, the gear lock pin 9 is in sealing connection with the lock pin jack through the lock pin water seal, the circumference array at the upper end of the reduction gear 4 is provided with the rotation stopping holes 48, when the cutting blade needs to be replaced, the gear lock pin is pressed down, the lower end of the gear lock pin is inserted into the rotation stopping holes 48, and the reduction gear 4 is positioned on the gearbox shell 5, so that the effect of quickly replacing the cutting blade is achieved.
The invention can be provided with the lock nut 14, the rear end of the electric appliance bin 42 is provided with a thread section, the front end of the battery bin 16 is provided with an outer baffle ring, the lock nut 14 is movably sleeved on the outer baffle ring of the battery bin, and the battery bin 16 is fixedly connected with the electric appliance bin 42 through the lock nut 14 in a threaded manner so as to achieve the effect of convenient disassembly and assembly.
The plug positioning pin 32 can be arranged on the electric appliance bin cover 45 of the electric appliance bin 42, so that the plug can be quickly inserted and positioned.
According to the invention, the underwater camera 27 and the LED lamp 11 can be fixedly arranged at the front end of the shell of the motor bin 41, the underwater camera 27 is connected with the water display through the cable, the display is connected with the water power switch so as to be beneficial to the water personnel to track underwater dynamics at any time, and the LED lamp 11 is connected in parallel with the multi-needle binding post connected with the battery and the driver wire so as to be beneficial to the effect of illuminating a cutting object.
As shown in FIG. 8, the present invention may be provided with a float sleeve 34 outside of the battery compartment 16 and motor compartment 41 to facilitate weight saving in water and to facilitate operation by a diver.
The buoy sleeve can be formed by combining the left half sleeve body and the right half sleeve body and then fixedly connecting the left half sleeve body and the right half sleeve body through the outer sleeve hoop so as to achieve the effect of convenient installation.
The invention can also be provided with a fuse between the battery and the driver to achieve the effect of safety protection.
When the invention is used underwater, an operator turns on the main power switch knob 20, presses the waterproof switch 12, the motor 21 rotates, the driving gear on the motor shaft drives the reduction gear 4 to rotate, the reduction gear 4 drives the transmission shaft 2 to rotate, the cutting piece fixed on the transmission shaft rotates along with the rotation, heat dissipation oil in the motor bin is responsible for cooling the motor 21 and transferring heat to the heat dissipation oil and the motor bin 41, when the heat dissipation oil absorbs the heat to expand, the piston 23 moves backwards against the pressure of the spring 24 so as to be beneficial to preventing oil seal oil leakage or the expansion of the motor bin from damaging when the internal pressure is larger than the external pressure by balancing the internal pressure and the external pressure caused by the expansion of the heat dissipation oil, and when the heat dissipation oil is cooled, the piston automatically returns under the action of the tension of the spring; when the cutting saw blade is to be replaced, the gear lock pin 7 is pressed down, the gear lock pin is inserted into the rotation stopping hole on the reduction gear 4, the rotation of the transmission shaft 2 is limited, the replacement of the cutting blade is more convenient, the gear lock pin is stripped after the replacement is finished, the waterproof switch is opened, the motor can drive the transmission shaft to rotate, and then the cutting blade is driven to cut underwater objects; when the battery quantity is insufficient, the waterproof switch is pressed down, the power switch is turned off, the lock nut 14 is rotated under water, then the battery compartment is held to apply force outwards, the female underwater plug in the battery compartment can be quickly separated from the male underwater plug on the electrical appliance compartment, then a new battery compartment is plugged into the male underwater plug on the electrical appliance compartment through the female underwater plug, the lock nut is in threaded connection with the electrical appliance compartment for fixation, and then the power switch is turned on again, so that the underwater operation can be continued.
Embodiment 2, as shown in fig. 1, 2 and 3, is an underwater cutting machine, which is characterized by comprising a cutting blade 1, a driving motor part, a battery part and a handle 13, wherein the front end of the driving motor part is fixed with the cutting blade, the rear end is spliced and fixed with the battery part,
the driving motor part comprises a sealed motor bin 41, a motor 21, a heat dissipation oil pressure compensation device, a motor shaft water seal, a motor support bearing and an electric appliance bin 42, wherein the motor bin 42 is formed by fixedly connecting a bin body, a fixing frame 28 at the front end of the bin body and a rear bearing cover 43 at the rear end of the bin body in a sealing way, the motor 21 is fixedly arranged in the motor bin 41, an output shaft of the motor 42 is fixedly arranged on the fixing frame through the motor support bearing, the front end of the output shaft of the motor is fixedly connected with a cutting blade 1, the front end of the output shaft of the motor can be directly fixedly connected with the cutting blade 1 (not shown in the figure), a cutting speed change device can be arranged between the output shafts of the cutting blade 1 and the motor 21, the water seal of the motor shaft is arranged between the two motor support bearings, the side wall of the motor bin 41 is fixedly provided with a handle 13, the rear end of the motor bin 41 is in sealing connection with an electric bin 42, heat dissipation oil is filled between the motor bin 41 and a motor 21, a heat dissipation oil pressure compensation device is arranged on a rear bearing cover 43 in the motor bin 41, a multi-needle binding post 44 is also fixed on the rear bearing cover 43, the motor 21 is connected with the multi-needle binding post 44 through a wire, an electric bin cover 45 is fixed in the electric bin 42, the front end of the electric bin 42 is sealed and fixed at the rear end of the motor bin 41 through an O-shaped sealing ring so as to achieve the effect of convenient disassembly, a driver 26 is arranged on the electric bin cover 45, the driver 26 is connected with the motor through the multi-needle binding post 44, the driver adopts a brushless driver, the motor can not only control the motor 42 through the driver 26, but also can achieve the sealing effect through the multi-pin binding post so as to isolate heat dissipation oil from flowing into the electric appliance bin, the electric appliance bin cover 45 is also provided with a male underwater plug 15, the male underwater plug 15 is electrically connected with the driver 26,
The battery part consists of a closed battery bin 16, a battery 17, a female underwater plug 33, a power switch 18 and a switch rotating button 20, wherein the battery bin 16 is fixedly connected with an electric appliance bin 42, the front end of the battery bin 16 is provided with the female underwater plug 33, the rear end face is provided with the switch rotating button 20, the battery bin 16 is internally fixedly provided with the battery 17, the battery bin 16 is spliced with a male underwater plug 15 at the rear end of the electric appliance bin 42 through the female underwater plug 33 so as to achieve the effect of conveniently replacing the battery, the battery adopts a lithium battery, the front end of the battery 17 is connected with the female underwater plug 33 through an electrode, the rear end of the battery 17 is provided with the power switch 18, a rotating shaft of the power switch 18 is in sealing connection with a rear cover of the battery bin through a water seal, a deflector rod at the front end of the power switch 18 is matched with the switch rotating button 20, the power switch is arranged on a wire between the battery and a driver, and when the deflector rod at the front end of the switch rotating button 20 is contacted with a deflector on the power switch 18, the total power supply is turned on, and water is prevented from entering the battery bin so as to achieve the effect of safe operation;
the handle 13 is provided with a waterproof switch 12, and the waterproof switch 12 is connected with a multi-needle binding post 44 by a wire penetrating through the motor bin 41 so as to achieve the function of controlling the cutting switch.
The heat dissipation oil pressure compensation device comprises a piston cylinder 45, a piston 23, a spring 24 and an oil seal 22, wherein one end of the piston cylinder 45 is fixedly connected with a rear bearing cover, the piston 23 is arranged in the piston cylinder 45 and is in sliding connection with the piston cylinder 45 through the oil seal 22 so as to be beneficial to preventing heat dissipation oil in a motor bin from flowing into an electric appliance bin 42, the spring 24 is arranged between the piston 23 and the rear bearing cover 46, one end of the spring 24 is in contact with the piston 23, the other end of the spring is in contact with the rear bearing cover 46 so that the piston 23 divides the piston cylinder 45 into one end which is communicated with the motor bin 41, the other end is communicated with the electric appliance bin 42, when the heat dissipation oil in the motor bin 41 absorbs heat of a motor 21 and expands, the piston 23 moves backwards against the tension of the spring 24, so that the internal pressure in the motor bin 41 is reduced, after the heat dissipation oil cools, the piston 23 is automatically returned under the tension of the spring 24, and a sealing plug is arranged in the center of the piston 23 so as to be beneficial to oiling the motor bin.
The invention can be provided with a cutting speed change device between the cutting blade 1 and the output shaft of the motor 21, the cutting speed change device comprises a transmission shell 47, a transmission shaft 2, a wear-resistant water seal 3, a ball bearing, a reduction gear 4, a transmission shell 5, a lock pin water seal 6, a gear lock pin 7 and a driving gear 8, wherein the transmission shell 5 is fixedly connected with a fixed frame 28 in a sealing way, or can be integrally formed, the rear end of the transmission shell 5 is provided with a driving gear rotating cavity, one side of the transmission shell is provided with a reduction gear rotating cavity and a transmission shaft mounting cavity, the motor output shaft is fixedly provided with the driving gear 8 and is inserted into the driving gear rotating cavity, the transmission shaft mounting cavity is provided with the reduction gear 4, the upper end of the transmission shell 47 is fixedly connected with one side of the transmission shell 5, the two ends in the transmission shell 47 are respectively fixedly connected with the transmission shaft 2 through the ball bearing, the wear-resistant water seal 3 is arranged on the transmission shaft 2 between the ball bearing so as to prevent seawater from entering a motor bin 41 along the clearance between the transmission shell 47 and the transmission shaft 2, the upper part of the transmission shaft 2 passes through the reduction gear rotating cavity and the transmission shaft mounting cavity and the transmission shaft, and is fixedly connected with the reduction gear 4 in the reduction gear rotating cavity, the lower end of the reduction gear 4, and the transmission shaft is fixedly connected with the reduction gear 1, and the transmission shaft 8 is fixedly connected with the cutting speed change blade is convenient to be engaged with the cutting blade according to the requirement.
According to the invention, the other side of the gearbox shell 5 is radially provided with the lock pin jack, the lock pin jack is internally provided with the gear lock pin 9, the gear lock pin 9 is in sealing connection with the lock pin jack through the lock pin water seal, the circumference array at the upper end of the reduction gear 4 is provided with the rotation stopping holes 48, when the cutting blade needs to be replaced, the gear lock pin is pressed down, the lower end of the gear lock pin is inserted into the rotation stopping holes 48, and the reduction gear 4 is positioned on the gearbox shell 5, so that the effect of quickly replacing the cutting blade is achieved.
The invention can be provided with a cutting blade circumferential rotation device between a gearbox shell 5 and a fixed frame 28, which comprises an anti-rotation plate 50, a rotating frame 49 and a positioning lock pin 9, wherein the tensioning spring 10, a ball 30 and an O-shaped oil seal 31, the periphery of the fixed frame 28 is fixed with the front end of a motor bin in a sealing way, an inner hole is arranged in the center of the fixed frame 28, positioning holes are arranged in a circumferential array at the front end of the fixed frame 28, 4 positioning holes 40 are arranged in the circumferential array in the embodiment, the rotating frame 49 is arranged in the inner hole of the fixed frame 28, the rotating frame 49 is connected with the fixed frame 28 through the ball 30 and the O-shaped oil seal 31, so that the rotating frame 49 is enabled to rotate circumferentially relative to the fixed frame 28 under the action of the ball 30, the sealing is achieved through the O-shaped oil seal 31, sea water is prevented from entering the motor bin, the front end of the rotating frame 49 is fixedly connected with the anti-rotation plate 50 and the gearbox shell 5 respectively, the positioning lock pin 9 is fixedly arranged on the anti-rotation plate 50, a rod of the positioning 9 is correspondingly positioned with the positioning holes on the fixed frame 28, the positioning pin 9 extends out of the fixed frame 9, and the rotating frame 9 is enabled to rotate relative to the fixed pin 9 when the rotating frame 9 is required to rotate, and the positioning pin 9 is enabled to rotate in a proper way, and the positioning is enabled to rotate when the rotating frame 9 is enabled to rotate, and the positioning pin 9 is enabled to rotate, and the positioning pin to rotate when the positioning pin is required to be positioned to be in a proper to be positioned to be corresponding to the positioning position to the positioning hole and a position 9.
The invention can be provided with the lock nut 14, the rear end of the electric appliance bin 42 is provided with a thread section, the front end of the battery bin 16 is provided with an outer baffle ring, the lock nut 14 is movably sleeved on the outer baffle ring of the battery bin, and the battery bin 16 is fixedly connected with the electric appliance bin 42 through the lock nut 14 in a threaded manner so as to achieve the effect of convenient disassembly and assembly.
The plug positioning pin 32 can be arranged on the electric appliance bin cover 45 of the electric appliance bin 42, so that the plug can be quickly inserted and positioned.
According to the invention, the underwater camera 27 and the LED lamp 11 can be fixedly arranged at the front end of the shell of the motor bin 41, the underwater camera 27 is connected with the water display 35 through a cable, the display 35 is connected with the water power switch 39 so as to be beneficial to the water personnel to track underwater dynamics at any time, and the LED lamp 11 is connected in parallel with the multi-needle binding post connected with the battery and the driver wire so as to be beneficial to the illumination effect on the cutting object.
The invention can be sleeved with the buoy sleeve 34 outside the battery bin 16 and the motor bin 41, so as to be beneficial to reducing weight in water and facilitating operation of divers.
The buoy sleeve can be formed by combining the left half sleeve body and the right half sleeve body and then fixedly connecting the left half sleeve body and the right half sleeve body through the outer sleeve hoop so as to achieve the effect of convenient installation.
The invention can be provided with the mounting plate on water, the mounting plate is provided with the lifting handle, the display is fixed on the mounting plate, the water power switch can be arranged on the lifting handle, the mounting plate and the display, so that the effects of portability and convenient operation are achieved.
The invention can also be provided with a fuse between the battery and the driver to achieve the effect of safety protection.
When the invention is used underwater, an operator turns on the main power switch knob 20, presses the waterproof switch 12, the motor 21 rotates, the driving gear on the motor shaft drives the reduction gear 4 to rotate, the reduction gear 4 drives the transmission shaft 2 to rotate, the cutting piece fixed on the transmission shaft rotates along with the rotation, heat dissipation oil in the motor bin is responsible for cooling the motor 21 and transferring heat to the heat dissipation oil and the motor bin 41, when the heat dissipation oil absorbs the heat to expand, the piston 23 moves backwards against the pressure of the spring 24 so as to be beneficial to preventing oil seal oil leakage or the expansion of the motor bin from damaging when the internal pressure is larger than the external pressure by balancing the internal pressure and the external pressure caused by the expansion of the heat dissipation oil, and when the heat dissipation oil is cooled, the piston automatically returns under the action of the tension of the spring; when the cutting saw blade is to be replaced, the gear lock pin 7 is pressed down, the gear lock pin is inserted into the rotation stopping hole on the reduction gear 4, the rotation of the transmission shaft 2 is limited, the replacement of the cutting blade is more convenient, the gear lock pin is stripped after the replacement is finished, the waterproof switch is opened, the motor can drive the transmission shaft to rotate, and then the cutting blade is driven to cut underwater objects.
When the angle of the cutting blade needs to be adjusted, the waterproof switch is closed, the positioning lock pin is pulled up, the gearbox shell 5 is rotated, the gearbox shell rotates relative to the fixing frame under the action of the ball between the rotating frame and the fixing frame, the cutting blade can rotate forward or reversely according to the required angle, the positioning lock pin is loosened, the rotating frame is locked on the fixing frame by the positioning lock pin, and then the waterproof switch is opened, so that underwater cutting operation can be continued.
When the battery quantity is insufficient, the waterproof switch is pressed down, the power switch is turned off, the lock nut 14 is rotated under water, then the battery compartment is held to apply force outwards, the female underwater plug in the battery compartment can be quickly separated from the male underwater plug on the electrical appliance compartment, then a new battery compartment is plugged into the male underwater plug on the electrical appliance compartment through the female underwater plug, the lock nut is in threaded connection with the electrical appliance compartment to be fixed, and then the power switch is turned on again, so that the operation can be continued, the effect of replacing the battery under water is achieved, the underwater operation time is greatly prolonged, in the underwater cutting process, underwater personnel can observe underwater dynamics through the underwater camera to be beneficial to paying attention to the safety of underwater operators in real time, and due to weak current of the underwater camera, even if a wire leaks, the damage to the underwater personnel can not be caused.
Due to the adoption of the structure, the invention has the advantages of compact structure, safe operation, convenient carrying, high cutting speed, high working efficiency, convenient disassembly and assembly and the like.
Claims (10)
1. The underwater cutting machine is characterized by comprising a cutting blade, a driving motor part, a battery part and a handle, wherein the front end of the driving motor part is fixed with the cutting blade, the rear end of the driving motor part is fixedly spliced with the battery part,
the driving motor part comprises a sealed motor bin, a motor, a heat dissipation oil pressure compensation device, a motor shaft water seal, a motor support bearing and an electric appliance bin, wherein the motor bin is formed by fixedly connecting a bin body, a fixing frame at the front end of the bin body and a rear bearing cover at the rear end of the bin body in a sealing way, the motor is fixedly arranged in the motor bin, a motor output shaft is fixedly arranged on the fixing frame through the motor support bearing, the front end of the output shaft of the motor is fixedly connected with a cutting blade, the motor shaft water seal is arranged between the two motor support bearings, a handle is fixedly arranged on the side wall of the motor bin, the rear end of the motor bin is in sealing connection with the electric appliance bin, heat dissipation oil is filled between the motor bin and the motor, the heat dissipation oil pressure compensation device is arranged on the rear bearing cover in the motor bin, a multi-needle binding post is fixedly arranged on the rear bearing cover, the motor is connected with the multi-needle binding post through a wire,
An electric appliance bin cover is fixed in the electric appliance bin, the front end of the electric appliance bin is fixed at the rear end of the motor bin through an O-shaped sealing ring in a sealing way,
the electric appliance bin cover is provided with a driver, the driver is connected with a motor through a multi-needle binding post, the driver adopts a brushless driver, the motor adopts a brushless motor, the electric appliance bin cover is also provided with a male underwater plug, the male underwater plug is electrically connected with the driver,
the battery part consists of a closed battery compartment, a battery, a female underwater plug, a power switch and a switch rotating button, wherein the battery compartment is fixedly connected with the electric appliance compartment, the front end of the battery compartment is provided with the female underwater plug, the rear end face of the battery compartment is provided with the switch rotating button, the battery compartment is fixedly provided with the battery, the front end of the battery compartment is connected with the male underwater plug at the rear end of the electric appliance compartment through the female underwater plug in an inserting manner, the rear end of the battery compartment is provided with the power switch through an electrode, a rotating shaft of the power switch is in sealing connection with a rear cover of the battery compartment through a water seal, a deflector rod at the front end of the power switch is matched with the switch rotating button, and the power switch is connected in series with a wire between the battery and a driver;
the handle is provided with a waterproof switch, and the waterproof switch passes through the motor bin through a lead and is connected with the multi-needle binding post.
2. The underwater cutting machine according to claim 1, wherein the heat dissipation oil pressure compensation device is composed of a piston cylinder, a piston, a spring and an oil seal, one end of the piston cylinder is fixedly connected with a rear bearing cover, the piston is arranged in the piston cylinder and is in sliding connection with the piston cylinder through the oil seal, the spring is arranged between the piston and the rear bearing cover, one end of the spring is abutted against the piston, the other end of the spring is abutted against the rear bearing cover, so that the piston divides the piston cylinder into one end which is communicated with a motor bin, the other end is communicated with an electric appliance bin, an oil filling hole is arranged in the center of the piston, and a sealing plug is arranged in the oil filling hole.
3. The underwater cutting machine according to claim 2, wherein a cutting speed change device is arranged between the cutting blade and the motor output shaft, the cutting speed change device comprises a transmission shell, a transmission shaft, a wear-resistant water seal, a ball bearing, a reduction gear, a gearbox shell, a lock pin water seal, a gear lock pin and a driving gear, the gearbox shell is fixedly connected with a fixed frame in a sealing manner or integrally formed, the rear end of the gearbox shell is provided with a driving gear rotating cavity, one side of the gearbox shell is provided with a reduction gear rotating cavity and a transmission shaft mounting cavity, the motor output shaft is fixedly provided with the driving gear and is inserted into the driving gear rotating cavity, the transmission shaft mounting cavity is provided with a reduction gear, the upper end of the transmission shell is fixedly connected with one side of the gearbox shell, two ends in the transmission shell are respectively fixedly connected with the transmission shaft through ball bearings, the transmission shaft between the ball bearings is provided with the wear-resistant water seal, the upper part of the transmission shaft penetrates through the reduction gear rotating cavity and the transmission shaft mounting cavity and is fixedly connected with the reduction gear in the reduction gear rotating cavity, the lower end of the gearbox shell is fixedly connected with the cutting blade, and the driving gear is meshed with the reduction gear.
4. A machine according to claim 3, wherein the other side of the gearbox housing is radially provided with a locking pin insertion hole, a gear locking pin is arranged in the locking pin insertion hole, the gear locking pin is in sealing connection with the locking pin insertion hole through a locking pin water seal, a rotation stopping hole is formed in the circumferential array at the upper end of the reduction gear, and when the cutting blade needs to be replaced, the gear locking pin is pressed down, and the lower end of the gear locking pin is inserted into the rotation stopping hole, so that the reduction gear is positioned on the gearbox housing.
5. The underwater cutting machine as claimed in claim 3 or 4, wherein a cutting blade circumferential rotation device is arranged between the gearbox housing and the fixed frame, and comprises an anti-rotation plate, a rotating frame, a positioning lock pin, a tension spring, balls and an O-shaped oil seal, wherein the periphery of the fixed frame is fixed with the front end of the motor bin in a sealing manner, an inner hole is arranged in the center of the fixed frame, positioning holes are formed in the circumferential array of the front end of the fixed frame, the rotating frame is arranged in the inner hole of the fixed frame, the rotating frame is connected with the fixed frame through the balls and the O-shaped oil seal and sealed through the O-shaped oil seal, seawater is prevented from entering the motor bin, the front end of the rotating frame is fixedly connected with the anti-rotation plate and the gearbox housing respectively, the rear end of the rotating frame is fixedly connected with the motor, and the positioning lock pin is fixedly arranged on the anti-rotation plate, and an extending rod of the positioning lock pin corresponds to the positioning holes on the fixed frame.
6. The underwater cutting machine of claim 1, wherein a lock nut is provided, a threaded section is provided at the rear end of the electrical bin, an outer baffle ring is provided at the front end of the battery bin, the lock nut is movably sleeved on the outer baffle ring of the battery bin, and the battery bin is fixedly connected with the electrical bin through the lock nut in a threaded manner.
7. The underwater cutting machine of claim 1 wherein the electrical equipment bin cover of the electrical equipment bin is provided with a plug locating pin.
8. The underwater cutting machine according to claim 1, wherein the front end of the motor bin housing is fixedly provided with an underwater camera and an LED lamp, the underwater camera is connected with a water display through a cable, and the display is connected with a water power switch.
9. The underwater cutting machine of claim 1 wherein the battery compartment and motor compartment are externally sleeved with a float sleeve.
10. The underwater cutting machine as claimed in claim 9, wherein the float cover is formed by combining a left half cover body and a right half cover body and fixedly connecting the left half cover body and the right half cover body through an outer cover hoop.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098692.6A CN108326367B (en) | 2018-01-31 | 2018-01-31 | Underwater cutting machine |
| PCT/CN2018/110911 WO2019148893A1 (en) | 2018-01-31 | 2018-10-19 | Underwater cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098692.6A CN108326367B (en) | 2018-01-31 | 2018-01-31 | Underwater cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN108326367A CN108326367A (en) | 2018-07-27 |
| CN108326367B true CN108326367B (en) | 2024-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810098692.6A Active CN108326367B (en) | 2018-01-31 | 2018-01-31 | Underwater cutting machine |
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| CN (1) | CN108326367B (en) |
| WO (1) | WO2019148893A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326367B (en) * | 2018-01-31 | 2024-03-05 | 山东未来机器人有限公司 | Underwater cutting machine |
| TWI704970B (en) * | 2019-10-16 | 2020-09-21 | 行政院原子能委員會核能研究所 | Underwater circular saw for cutting furnace body of cylindrical reactor |
| CN112122703B (en) * | 2020-09-22 | 2021-08-24 | 中国船舶科学研究中心 | Pressure self-adaptive high-rotating-speed light underwater cutting tool |
| CN112636519B (en) * | 2021-03-05 | 2021-05-28 | 中国科学院宁波材料技术与工程研究所 | Electric push rod |
| CN113022815A (en) * | 2021-03-24 | 2021-06-25 | 深圳市夜星寒商贸有限公司 | Underwater rescue equipment capable of preventing water plants from winding |
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| CN108326367B (en) * | 2018-01-31 | 2024-03-05 | 山东未来机器人有限公司 | Underwater cutting machine |
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- 2018-10-19 WO PCT/CN2018/110911 patent/WO2019148893A1/en active Application Filing
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| US4022182A (en) * | 1976-01-12 | 1977-05-10 | Lenkevich Steve T | Dust and water confinement unit for portable circular saw |
| US6591826B1 (en) * | 2000-06-06 | 2003-07-15 | Aktiebolaget Electrolux (Publ) | Device on a portable cutting or sawing machine |
| DE102005009284B3 (en) * | 2005-02-22 | 2006-04-20 | Flex-Elektrowerkzeuge Gmbh | Hand tool machine to put in grooves or cuts, method to set cutting possibilities using said machine, has hinged drive motor and feed device to pull and then push in object to be worked |
| CN201592425U (en) * | 2010-01-08 | 2010-09-29 | 宁波朗达电子科技有限公司 | Multifunctional electric cutting angle grinder |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108326367A (en) | 2018-07-27 |
| WO2019148893A1 (en) | 2019-08-08 |
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