CN113422476A - Explosion-proof motor of mining new energy automobile - Google Patents
Explosion-proof motor of mining new energy automobile Download PDFInfo
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- CN113422476A CN113422476A CN202110761766.1A CN202110761766A CN113422476A CN 113422476 A CN113422476 A CN 113422476A CN 202110761766 A CN202110761766 A CN 202110761766A CN 113422476 A CN113422476 A CN 113422476A
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- motor
- pipe
- welded
- sleeved
- rotating shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an explosion-proof motor of a mining new energy automobile, relates to the technical field of new energy motors, and aims to solve the problems that the motor cannot be cooled timely and effectively during operation, so that the motor explodes and the like. When the motor needs to be detached and maintained from the vehicle due to damage, the connection of a live wire can be automatically disconnected, safety accidents caused by the fact that workers touch a motor switch by mistake in the moving process of the motor are prevented, the motor rotating shaft of the motor can be quickly replaced, maintenance time is saved, corresponding lubricating oil can be added into the bearing sleeve according to the current rotating speed of the motor when the motor runs normally, the lubricating effect of the bearing sleeve is improved, meanwhile, the interior of the motor running normally is cooled all the time, and short circuit and explosion of the motor caused by the fact that electrical equipment elements are damaged due to the fact that the temperature of the motor is too high are prevented.
Description
Technical Field
The invention relates to the technical field of storage batteries, in particular to an explosion-proof motor of a mining new energy automobile.
Background
An Electric machine (also known as "motor") is an electromagnetic device that converts or transmits Electric energy according to the law of electromagnetic induction, and is represented by the letter M (old standard is D) in a circuit, and mainly functions to generate driving torque as a power source for electrical appliances or various machines, and a generator is represented by the letter G in a circuit and mainly functions to convert mechanical energy into Electric energy.
The motor is at the during operation, and motor shaft can rotate, and the motor is inside can generate heat, but current motor:
(1) when the motor needs to be maintained, a power supply may not be timely turned off in the process of detaching the movable motor, so that the motor runs in the moving process, secondary damage of the motor is caused, secondly, when a rotating shaft of the motor rotates at a high speed, lubricating oil in the bearing sleeve provides sufficient lubrication for the bearing sleeve at the current rotating speed, abrasion in the bearing sleeve is aggravated, and furthermore, when the rotating shaft of the motor is excessively fatigued or abraded, the rotating shaft cannot be quickly replaced;
(2) when the motor operates, inside can generate heat, if can't carry out timely effectual cooling to the motor, the motor can be because inside high temperature high-pressure gas that produces gradually explodes, causes serious loss of property.
Disclosure of Invention
Objects of the invention
The invention provides an explosion-proof motor of a mining new energy automobile, which can automatically disconnect a live wire when the motor needs to be detached from the automobile for maintenance due to damage, thereby preventing safety accidents caused by mistaken touch of a motor switch by workers in the moving process of the motor.
(II) technical scheme
The invention provides a mining new energy automobile explosion-proof motor which comprises a motor shell, wherein the bottom of the motor shell is connected with a base through a bolt, the right side of the motor shell is connected with a protective shell through a bolt, a stator winding is installed on the inner wall of the motor shell, a bearing sleeve penetrating through and extending into the motor shell is sleeved on the outer wall of the right side of the motor shell, a motor rotating shaft is sleeved on an inner ring of the bearing sleeve, a rotor is clamped at the left end of the motor rotating shaft, a zero line penetrating through and extending out of the protective shell is fixedly connected to the right side of the stator winding, and an internal live wire penetrating through and extending into the protective shell is fixedly connected to the right side of the stator winding.
Preferably, the bottom of base cup joints the fixed sleeve who runs through and extend to protective housing bottom inner wall, the connecting block has been cup jointed to fixed sleeve's inner circle, the bottom welding of connecting block has the spliced pole, the bottom welding of spliced pole has the balancing weight, there is the second connecting rod through the hinge joint of connecting block, the one end that the connecting block was kept away from to the second connecting rod has the third connecting rod through the hinge joint, the middle part of third connecting rod is rotated and is connected with the second fixed column, the bottom of second fixed column and the bottom inner wall welding of protective housing, the one end welding that the second connecting rod was kept away from to the third connecting rod has the fixed pipe, the inner circle of fixed pipe has cup jointed outside live wire, the right-hand member of outside live wire runs through and extends outside the protective housing, the bottom four corners of base has all welded the rubber pad.
Preferably, a stop block is welded at the top of the motor rotating shaft, the bottom of the motor rotating shaft is connected with an L-shaped fixture block through a bolt, a second belt pulley and a pressing disc are sleeved on the outer ring of the motor rotating shaft, an L-shaped clamping hole is formed in the inner ring of the second belt pulley, a first through hole is formed in the inner ring of the pressing disc, a first spring sleeved on the outer ring of the motor rotating shaft is welded on the left side of the pressing disc, one end, far away from the pressing disc, of the first spring is welded with the second belt pulley, a fixed block is welded on the left side of the second belt pulley, a second spring is welded at the top of the fixed block, a counterweight ball is welded at one end, far away from the fixed block, of the second spring is welded on the left side of the rotor, a fixed rod penetrating and extending out of the motor shell is welded on the left side of the rotor, a connecting hole is formed on the right side of the rotor, and clamping holes are formed in the top and the inner wall of the bottom of the connecting hole, the right side of motor casing is through bolt fixedly connected with second fixed axle, the outer lane of second fixed axle rotates and is connected with the elasticity wheel, the belt contact on elasticity wheel and the second belt pulley.
Preferably, the top of bearing housing has the oil tank through bolted connection, the push rod has been cup jointed on the right side of oil tank, the welding of the outer lane middle part of push rod has spacing dish, the welding of the left side of spacing dish has the third spring of cup jointing in the push rod outer lane, the welding of the left side of third spring has the second piston, the bottom inner wall of oil tank has cup jointed and has run through and extend to the second siphunculus in the bearing housing, there is lubricating oil in the oil tank.
Preferably, a cavity is formed in the motor rotating shaft, hydraulic oil is filled in the cavity, a limiting block is sleeved in the cavity, a second through hole is formed in the top of the cavity, a pressing block is sleeved on the inner ring of the second through hole, third through holes are formed in the top and the bottom of the motor rotating shaft, and a limiting column is sleeved in the third through holes.
Preferably, the top inner wall of base has the cylinder body through bolted connection, the inner circle of cylinder body has cup jointed first piston, the right side of first piston articulates through the hinge has first connecting rod, the one end that first piston was kept away from to first connecting rod rotates and is connected with first fixed column, open in the left side of cylinder body has the water inlet, the inner circle of water inlet has first check valve through threaded connection, the water inlet of first check valve has the cooling tube that runs through the heat dissipation case and twine at the rotor outer lane through threaded connection, open the bottom of cylinder body has the delivery port, the inner circle of delivery port has the second check valve through threaded connection, the one end that first check valve was kept away from to the cooling tube is connected with the delivery port of second check valve, the both sides of heat dissipation case and base are all fretwork.
Preferably, the inner wall of the top of the base is connected with a liquid nitrogen tank through a bolt, the left bottom of the liquid nitrogen tank is welded with a box body, the inner wall of the top of the box body is sleeved with a first through pipe penetrating and extending into a motor shell, the bottom of an outer ring of the first through pipe is welded with a balloon, the bottom of the balloon is welded with a third piston, an L-shaped through hole is formed in the third piston, a third through pipe is sleeved in an air outlet of the L-shaped through hole, the third through pipe penetrates and extends into a heat dissipation box, the inner wall of the right side of the box body is sleeved with a fourth through pipe penetrating and extending into the liquid nitrogen tank, the inner wall of the bottom of the base is fixedly connected with the heat dissipation box through a bolt, 1-2 aluminum blocks are arranged on each square centimeter of the inner wall of the cooling pipe, the top of the cooling pipe is connected with a heat dissipation pipe through a thread, and the heat dissipation pipe is positioned in the heat dissipation box, the right side of cooling tube has the shunt tubes through threaded connection, the heat dissipation copper pipe has all been cup jointed to the outer lane of shunt tubes, the heat dissipation copper sheet has all been welded to the both sides of heat dissipation copper pipe, the delivery port and the cooling tube of shunt tubes switch on mutually.
Preferably, the inside of the bottom of the base is rotatably connected with a second rotating shaft, the top of the second rotating shaft is connected with a first bevel gear through a bolt, the top of the first bevel gear is connected with the bottom of the first fixed column through a bolt, 3-9 fan blades are welded on the outer ring of the second rotating shaft, an air outlet box is sleeved on the outer ring of the second rotating shaft, the bottom of the air outlet box is welded with the inner wall of the bottom of the base, an air inlet is arranged on the left side of the air outlet box, an air outlet is arranged on the right side of the air outlet box, a fixed sleeve is welded on the inner wall of the back of the base, the inner ring of the fixed sleeve is sleeved with a first rotating shaft, the left end of the first rotating shaft is connected with a second bevel gear through a bolt, the second bevel gear is meshed with the first bevel gear, the right end of the first rotating shaft is connected with a first belt pulley through a bolt, and the first belt pulley is connected with a second belt pulley through a belt.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
when the motor need be dismantled the maintenance from the car because of damaging, can the connection of automatic disconnection live wire, prevent that the motor from touching motor switch because of the staff mistake and causing the incident at the removal in-process, and the motor shaft of this motor can quick replacement, save maintenance duration, can increase corresponding lubricating oil in the bearing housing according to the current rotational speed of motor when the motor normally operates, increase the lubricated effect of bearing housing, normally operating's motor is inside to be cooled off always simultaneously, prevent that the motor from leading to motor short circuit explosion because of the too high damage electrical components of temperature.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the partial structure of part A of the present invention;
FIG. 3 is a schematic view of a partial structure of the part B of the present invention;
FIG. 4 is a schematic view of a motor shaft structure according to the present invention;
fig. 5 is a schematic side view of the heat dissipating pipe of the present invention.
Reference numerals: 1. a motor housing; 2. a cooling tube; 3. a protective shell; 4. a base; 5. a cylinder body; 6. a first link; 7. a first piston; 8. an internal firing line; 9. a first pulley; 10. a first rotating shaft; 11. a first fixed column; 12. a heat dissipation box; 13. a radiating pipe; 14. a first through pipe; 15. a rotor; 16. fixing the sleeve; 17. a balancing weight; 18. connecting columns; 19. connecting blocks; 20. a second link; 21. a third link; 22. a second fixed column; 23. a fixed tube; 24. an external firing line; 25. a zero line; 26. a motor shaft; 27. a limiting block; 28. a limiting column; 29. pressing the disc; 30. a first spring; 31. a second pulley; 32. an L-shaped fixture block; 33. a fixed block; 34. a second spring; 35. a counterweight ball; 36. a push rod; 37. a limiting disc; 38. a third spring; 39. a second piston; 40. an oil tank; 41. a bearing housing; 42. a box body; 43. a balloon; 44. a third piston; 45. a third pipe; 46. a liquid nitrogen tank; 47. a second pipe; 48. briquetting; 49. a stopper; 50. a fourth pipe; 51. and a stator winding.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, an explosion-proof motor for a mining new energy automobile comprises a motor casing 1, a base 4 is connected to the bottom of the motor casing 1 through bolts, a protective casing 1 is connected to the right side of the motor casing 1 through bolts, a stator winding 51 is installed on the inner wall of the motor casing 1, a bearing sleeve 41 penetrating through and extending into the motor casing 1 is sleeved on the outer wall of the right side of the motor casing 1, the bearing sleeve 41 can avoid friction between a motor rotating shaft 26 and the motor casing 1, the motor rotating shaft 26 is sleeved on the inner ring of the bearing sleeve 41, a rotor 15 is clamped at the left end of the motor rotating shaft 26, a zero line 25 penetrating through and extending out of the protective casing 3 is fixedly connected to the right side of the stator winding 51, a live wire 8 penetrating through and extending into the protective casing 3 is fixedly connected to the right side of the stator winding 51, the bottom of the base 4 is sleeved with a fixing sleeve 16 which penetrates through and extends to the inner wall of the bottom of the protective shell 3, the fixing sleeve 16 limits the movement direction of the connecting block 19, the inner ring of the fixing sleeve 16 is sleeved with the connecting block 19, the bottom of the connecting block 19 is welded with a connecting column 18, the bottom of the connecting column 18 is welded with a balancing weight 17, the connecting block 19 is hinged with a second connecting rod 20 through a hinge, one end, away from the connecting block 19, of the second connecting rod 20 is hinged with a third connecting rod 21 through a hinge, the third connecting rod 21 enables an external live wire 24 to be combined with or disconnected from an internal live wire 8 through movement, the middle of the third connecting rod 21 is rotatably connected with a second fixing column 22, the bottom of the second fixing column 22 is welded with the inner wall of the bottom of the protective shell 3, one end, away from the second connecting rod 20, of the third connecting rod 21 is welded with a fixing pipe 23, the fixing pipe 23 limits the position of the external live wire 24, the inner ring of the fixing pipe 23 is sleeved with the external live wire 24, outside 24 right-hand members of outside live wire run through and extend to protective housing 3, the rubber pad has all been welded in the bottom four corners of base 4, when the motor need remove because of the maintenance, balancing weight 17 can outside live wire 24 and 8 breaks off of inside live wire, prevents that the motor from touching motor switch because of the staff mistake and causing the incident at the removal in-process.
Example two:
referring to fig. 1-5, on the basis of the first embodiment, a stop 49 is welded on the top of the motor rotating shaft 26, the bottom of the motor rotating shaft 26 is connected with an L-shaped fixture block 32 through a bolt, a second belt pulley 31 and a pressing plate 29 are sleeved on the outer ring of the motor rotating shaft 26, the second belt pulley 31 can be fixed on the motor rotating shaft 26 through the L-shaped fixture block 32 and the stop 49, an L-shaped fixture hole is formed in the inner ring of the second belt pulley 31, a first through hole is formed in the inner ring of the pressing plate, a first spring 30 sleeved on the outer ring of the motor rotating shaft 26 is welded on the left side of the pressing plate 29, one end of the first spring 30, which is far away from the pressing plate 29, is welded with the second belt pulley 31, a fixing block 33 is welded on the left side of the second belt pulley 31, the second belt pulley 31 drives the fixing block 33 to rotate, a second spring 34 is welded on the top of the fixing block 33, a counterweight ball 35 is welded on one end of the second spring 34, which is far away from the fixing block 33, a fixing rod penetrating and extending out of the motor shell 1 is welded on the left side of the rotor 15, a connecting hole is formed in the right side of the rotor 15, clamping holes are formed in the top and the inner wall of the bottom of the connecting hole, a second fixing shaft is fixedly connected to the right side of the motor shell 1 through bolts, an elastic wheel is rotatably connected to the outer ring of the second fixing shaft and is in contact with a belt on a second belt pulley 31, an oil tank 40 is connected to the top of a bearing sleeve 41 through bolts, a push rod 36 is sleeved on the right side of the oil tank 40, a limiting disc 37 is welded in the middle of the outer ring of the push rod 36, a third spring 38 sleeved on the outer ring of the push rod 36 is welded on the left side of the limiting disc 37, the push rod 36 can extrude lubricating oil in the oil tank 40 into the bearing sleeve 41 under the extrusion, a second piston 39 is welded on the left side of the third spring 38, a second through pipe 47 penetrating and extending into the bearing sleeve 41 is sleeved on the inner wall of the bottom of the oil tank 40, and lubricating oil is contained in the oil tank 40, when the motor shaft 26 drives the bearing sleeve 41 to rotate, the counterweight ball 35 extrudes the push rod 36 under the action of centrifugal force, so that the faster the motor shaft 26 is, the more sufficient the lubricating oil in the bearing sleeve 41 is, and the explosion caused by high temperature generated by overlarge internal friction force when the bearing sleeve 41 rotates is prevented.
Example three:
referring to fig. 1-5, on the basis of the second embodiment, a cavity is formed inside the motor rotating shaft 26, hydraulic oil is contained in the cavity, a limiting block 27 is sleeved inside the cavity, a second through hole is formed in the top of the cavity, a pressing block 48 is sleeved on the inner ring of the second through hole, third through holes are formed in the top and the bottom of the motor rotating shaft 26, and a limiting column 28 is sleeved in the third through hole.
Example four:
referring to fig. 1-5, on the basis of the first embodiment, the inner wall of the top of the base 4 is connected with the cylinder 5 through a bolt, the inner ring of the cylinder 5 is sleeved with the first piston 7, the first piston 7 makes the cooling liquid in the cooling pipe 2 flow through the reciprocating motion, the right side of the first piston 7 is hinged with the first connecting rod 6 through a hinge, one end of the first connecting rod 6, which is far away from the first piston 7, is rotatably connected with the first fixing column 11, the left side of the cylinder 5 is provided with the water inlet, so that the cooling liquid in the cylinder 5 can flow out through the water outlet, the inner ring of the water inlet is connected with the first check valve through a thread, the water inlet of the first check valve is connected with the cooling pipe 2, which penetrates through the heat dissipation box 12 and is wound around the outer ring of the rotor 15, the bottom of the cylinder 5 is provided with the water outlet, the inner ring of the water outlet is connected with the second check valve through a thread, one end of the cooling pipe 2, which is far away from the first check valve, is connected with the water outlet of the second check valve, the heat dissipation box 12 and the base 4 are hollow on both sides, so that the temperature of the parts in the base 4 can be exchanged with the outside, the inner wall of the top of the base 4 is connected with a liquid nitrogen tank 46 through bolts, a box body 42 is welded at the bottom of the left side of the liquid nitrogen tank 46, a first through pipe 14 penetrating through and extending into the motor casing 1 is sleeved on the inner wall of the top of the box body 42, a balloon 43 is welded at the bottom of the outer ring of the first through pipe 14, the balloon 43 enables a third piston 44 to move downwards through expansion, a third piston 44 is welded at the bottom of the balloon 43, an L-shaped through hole is formed inside the third piston 44, a third through pipe 45 is sleeved inside the air outlet of the L-shaped through hole, the third through pipe 45 penetrates through and extends into the heat dissipation box 12, a fourth through pipe 50 penetrating through and extending into the liquid nitrogen tank 46 is sleeved on the inner wall of the right side of the box body 42, the fourth through pipe 50 enables the liquid nitrogen in the liquid nitrogen tank 46 to flow out into the heat dissipation box 12 through the third piston 44, the bottom inner wall of the base 4 is fixedly connected with a heat dissipation box 12 through bolts, 1-2 aluminum blocks are arranged in each square centimeter of the inner wall of the cooling pipe 2, the top of the cooling pipe 2 is connected with a heat dissipation pipe 13 through threads, the heat dissipation pipe 13 is positioned in the heat dissipation box 12, the right side of the heat dissipation pipe 13 is connected with a shunt pipe through threads, the shunt pipe can disperse the flow of cooling liquid in the heat dissipation pipe 13, so that the heat dissipation of the cooling liquid is more sufficient, the outer ring of the shunt pipe is sleeved with a heat dissipation copper pipe, heat dissipation copper sheets are welded on the two sides of the heat dissipation copper pipe, the water outlet of the shunt pipe is communicated with the cooling pipe 2, the cooling liquid in the radiating pipe 13 is cooled by shunting through the shunt tubes, so that the cooling liquid is exchanged with the external temperature more sufficiently through the copper pipe and the copper sheet, and the cooling liquid after being cooled absorbs the high temperature in the motor casing 1, thereby preventing the motor casing 1 from being exploded due to the high temperature and damaging the working environment.
Example five:
referring to fig. 1-5, on the basis of the fourth embodiment, a second rotating shaft is rotatably connected inside the bottom of the base 4, the top of the second rotating shaft is connected with a first bevel gear through a bolt, the top of the first bevel gear is connected with the bottom of a first fixing column 11 through a bolt, 3-9 fan blades are welded on the outer ring of the second rotating shaft, the air flow rate in the base 4 can be enhanced through the rotation of the fan blades, an air outlet box is sleeved on the outer ring of the second rotating shaft, the bottom of the air outlet box is welded with the inner wall of the bottom of the base 4, an air inlet is arranged on the left side of the air outlet box, an air outlet is arranged on the right side of the air outlet box, a fixing sleeve is welded on the inner wall of the back of the base 4, a first rotating shaft 10 is sleeved on the inner ring of the fixing sleeve, a second bevel gear is connected to the left end of the first rotating shaft 10 through a bolt, the second bevel gear drives the first bevel gear to rotate, the second bevel gear is engaged with the first bevel gear, the right-hand member of first pivot 10 has first belt pulley 9 through bolted connection, and first belt pulley 9 passes through the belt with second belt pulley 31 to be connected, carries out quick cooling to high temperature copper pipe and copper sheet in heat dissipation case 12 through the liquid nitrogen in the liquid nitrogen container 46, and then cools off the high temperature coolant liquid in copper pipe and the copper sheet, prevents to carry out the temperature that the coolant liquid of temperature exchange can not effectual reduction motor casing 1 with the air.
In the invention, when the bottom of the base 4 is contacted with the surface of a flat object, the counterweight 17 is extruded to move upwards, so that the connecting column 18 pushes the connecting block 19 to move upwards, the connecting block 19 moves upwards to drive the third connecting rod 21 to drive the fixed tube 23 to move, the outer live wire 24 is tightly connected with the contact point of the inner live wire 8, at the moment, the motor is electrified, the motor can normally operate, the safety accident caused by that a worker mistakenly touches a motor switch in the moving and maintaining process of the motor is prevented, when the motor is electrified and operated, the motor rotating shaft 26 rotates to drive the second belt pulley 31 to rotate the fixed block 33, the fixed block 33 rotates to drive the counterweight ball 35 to do centrifugal motion by the second spring 34, the counterweight ball 35 doing centrifugal motion continuously extrudes the push rod 36, the push rod 36 is extruded to drive the second piston 39 to move leftwards, the second piston 39 moves leftwards to extrude lubricating oil in the oil tank 40, lubricating oil in the oil tank 40 enters the bearing sleeve 41 through the second through pipe 47 to provide lubrication for the inside of the bearing sleeve 41, and within a certain range, the faster the rotating speed of the motor rotating shaft 26 is, the more lubricating oil in the oil tank 40 is squeezed into the bearing sleeve 41, so that when the motor rotating shaft 26 moves at a high speed, the inside of the bearing sleeve 41 is sufficiently lubricated to reduce the abrasion between the bearing sleeve 41 and the motor rotating shaft 26, when the motor rotating shaft 26 is used for a certain time or the internal stress of the rotating shaft is about to reach a rated value and needs to be replaced, the bolt is firstly screwed, the protective shell 3 is taken down, the tightening wheel is adjusted to enable the belt to be taken down from the second belt pulley 31, the second belt pulley 31 is pushed rightwards until the L-shaped clamping hole is separated from the L-shaped clamping block 32, then the second belt pulley 31 is rotated until the L-shaped clamping hole is flush with the stop block 49, the second belt pulley 31 and the pressing disc 29 are taken down from the motor rotating shaft 26 after the L-shaped clamping hole and the first through block 49, at the moment, the top pressure of the pressing block 48 disappears due to the separation of the second belt pulley 31, the motor rotating shaft 26 is pulled rightwards, the two limiting columns 28 are extruded to be close to each other and extrude the limiting block 27 rightwards, the limiting block 27 is extruded to move rightwards, oil in the cavity flows rightwards, the pressing block 48 is jacked upwards, the motor rotating shaft 26 is gradually disconnected with the rotor 15 until the pressing block is separated from the rotor 15, and when a new motor rotating shaft 26 needs to be replaced, the operations are carried out reversely;
when the motor normally operates, the motor rotating shaft 26 rotates to drive the second belt pulley 31, the second belt pulley 31 drives the first belt pulley 9 to rotate through a belt, the first belt pulley 9 drives the second bevel gear to rotate through the first rotating shaft 10, the second bevel gear drives the first bevel gear to rotate through meshing, the first bevel gear drives the first piston 7 to reciprocate left and right through the first connecting rod 6, the first piston 7 enables cooling liquid in the cooling pipe 2 to be sucked into the cylinder 5 from the first one-way valve through reciprocating motion, and then the cooling liquid is extruded to the cooling pipe 2 from the second one-way valve to form backflow, so that heat dissipation inside the motor shell 1 is realized, when the temperature inside the motor shell 1 is close to a limit value, an aluminum block in the cooling pipe 2 is heated to expand, a part of the cooling liquid is forced to flow into the cooling pipe 13, and the cooling liquid flows back into the cooling pipe 2 after being subjected to heat dissipation and temperature reduction through a copper pipe and a copper sheet outside the cooling pipe 13, when the temperature inside the motor casing 1 is too high, high-temperature and high-pressure gas is formed, the gas enables the balloon 43 to expand through the first through pipe 14, the balloon 43 expands to enable the third piston 44 to move downwards, the L-shaped through hole in the third piston 44 is communicated with the fourth through pipe 50, liquid nitrogen in the liquid nitrogen tank 46 can flow into the heat dissipation box 12 through the third through pipe 45 to dissipate heat of a copper pipe and a copper sheet in the heat dissipation box 12, and further dissipate heat of a shunt pipe in the copper pipe, so that cooling liquid in the shunt pipe is dissipated, meanwhile, the first bevel gear drives the second rotating shaft to rotate through rotation, the second rotating shaft rotates to enable the fan blades to rotate, the fan blades rotate to enhance air flow through the air outlet box, cold air cooled by the liquid nitrogen is blown to the surface of the cooling pipe 2 on the right side of the air outlet box from the left side of the base 4 through the air outlet box to cool the cooling pipe 2 on the right side of the air outlet, the gas in the balloon 43 is sucked back into the motor casing 1, so that the liquid nitrogen in the liquid nitrogen tank 46 stops flowing into the heat dissipation box 12, and the cooling liquid in the cooling pipe 2 continuously dissipates the heat of the temperature in the motor casing 1 in a mode of exchanging with the external temperature.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.
Claims (9)
1. The utility model provides an explosion-proof motor of mining new energy automobile, includes motor casing (1), its characterized in that: the bottom of motor casing (1) has base (4) through bolted connection, there is protective housing (3) on the right side of motor casing (1) through bolted connection, stator winding (51) are installed to the inner wall of motor casing (1), the right side outer wall of motor casing (1) has cup jointed bearing housing (41) that runs through and extend to in motor casing (1), motor shaft (26) have been cup jointed to the inner circle of bearing housing (41), the left end joint of motor shaft (26) has rotor (15), the right side fixedly connected with of stator winding (51) runs through and extends to outer zero line (25) of protective housing (3), the right side fixedly connected with of stator winding (51) runs through and extends to inside live wire (8) in protective housing (3).
2. The mining new energy automobile explosion-proof motor according to claim 1, characterized in that a fixing sleeve (16) penetrating through and extending to the inner wall of the bottom of the protective shell (3) is sleeved at the bottom of the base (4), a connecting block (19) is sleeved at the inner ring of the fixing sleeve (16), a connecting column (18) is welded at the bottom of the connecting block (19), a balancing weight (17) is welded at the bottom of the connecting column (18), a second connecting rod (20) is hinged to the connecting block (19) through a hinge, a third connecting rod (21) is hinged to one end, far away from the connecting block (19), of the second connecting rod (20), a second fixing column (22) is rotatably connected to the middle of the third connecting rod (21), the bottom of the second fixing column (22) is welded with the inner wall of the bottom of the protective shell (3), and a fixing pipe (23) is welded at one end, far away from the second connecting rod (20), of the third connecting rod (21), the inner ring of the fixed pipe (23) is sleeved with an external live wire (24), the right end of the external live wire (24) penetrates through and extends out of the protective shell (3), and rubber pads are welded at four corners of the bottom of the base (4).
3. The mining new energy automobile explosion-proof motor according to claim 1, characterized in that a stop dog (49) is welded at the top of the motor rotating shaft (26), an L-shaped fixture block (32) is connected at the bottom of the motor rotating shaft (26) through a bolt, a second belt pulley (31) and a pressing plate (29) are sleeved on the outer ring of the motor rotating shaft (26), an L-shaped clamping hole is formed in the inner ring of the second belt pulley (31), a first through hole is formed in the inner ring of the pressing plate (29), a first spring (30) sleeved on the outer ring of the motor rotating shaft (26) is welded at the left side of the pressing plate (29), one end of the first spring (30) far away from the pressing plate (29) is welded with the second belt pulley (31), a fixing block (33) is welded at the left side of the second belt pulley (31), a second spring (34) is welded at the top of the fixing block (33), second spring (34) keep away from the one end welding of fixed block (33) and have counterweight ball (35), the left side welding of rotor (15) has the dead lever that runs through and extend to motor casing (1) outer, the connecting hole has been seted up on the right side of rotor (15), the joint hole has been seted up to the top and the bottom inner wall of connecting hole, bolt fixedly connected with second fixed axle is passed through on the right side of motor casing (1), the outer lane of second fixed axle rotates and is connected with the elasticity wheel, the belt contact on elasticity wheel and second belt pulley (31).
4. The mining new energy automobile explosion-proof motor according to claim 1, characterized in that the top of the bearing housing (41) is connected with an oil tank (40) through bolts, a push rod (36) is sleeved on the right side of the oil tank (40), a limiting disc (37) is welded in the middle of the outer ring of the push rod (36), a third spring (38) sleeved on the outer ring of the push rod (36) is welded on the left side of the limiting disc (37), a second piston (39) is welded on the left side of the third spring (38), a second through pipe (47) penetrating through and extending into the bearing housing (41) is sleeved on the inner wall of the bottom of the oil tank (40), and lubricating oil is contained in the oil tank (40).
5. The explosion-proof motor of the mining new energy automobile according to claim 1, characterized in that a cavity is formed in the motor rotating shaft (26), hydraulic oil is filled in the cavity, a limiting block (27) is sleeved in the cavity, a second through hole is formed in the top of the cavity, a pressing block (48) is sleeved on an inner ring of the second through hole, third through holes are formed in the top and the bottom of the motor rotating shaft (26), and a limiting column (28) is sleeved in the third through hole.
6. The explosion-proof motor of the mining new energy automobile according to claim 1, characterized in that a cylinder body (5) is connected to the inner wall of the top of the base (4) through a bolt, a first piston (7) is sleeved on the inner ring of the cylinder body (5), a first connecting rod (6) is hinged to the right side of the first piston (7) through a hinge, a first fixing column (11) is rotatably connected to one end, away from the first piston (7), of the first connecting rod (6), a water inlet is formed in the left side of the cylinder body (5), a first check valve is connected to the inner ring of the water inlet through a thread, a cooling pipe (2) penetrating through a heat dissipation box (12) and winding around the outer ring of a rotor (15) is connected to the water inlet of the first check valve through a thread, a water outlet is formed in the bottom of the cylinder body (5), and a second check valve is connected to the inner ring of the water outlet through a thread, one end, far away from the first one-way valve, of the cooling pipe (2) is connected with a water outlet of the second one-way valve, and the two sides of the heat dissipation box (12) and the base (4) are hollow.
7. The explosion-proof motor of the mining new energy automobile according to claim 1, wherein a liquid nitrogen tank (46) is connected to the inner wall of the top of the base (4) through bolts, a box body (42) is welded to the bottom of the left side of the liquid nitrogen tank (46), a first through pipe (14) penetrating and extending into the motor casing (1) is sleeved on the inner wall of the top of the box body (42), a balloon (43) is welded to the bottom of the outer ring of the first through pipe (14), a third piston (44) is welded to the bottom of the balloon (43), an L-shaped through hole is formed in the third piston (44), a third tee pipe (45) is sleeved on the air outlet of the L-shaped through hole, the third tee pipe (45) penetrates and extends into the heat dissipation box (12), a fourth through pipe (50) penetrating and extending into the liquid nitrogen tank (46) is sleeved on the inner wall of the right side of the box body (42), the bottom inner wall of base (4) passes through bolt fixedly connected with heat dissipation case (12), every square centimeter of cooling tube (2) inner wall is provided with 1-2 aluminium pig, there is cooling tube (13) at the top of cooling tube (2) through threaded connection, cooling tube (13) are located the inside of heat dissipation case (12), there is the shunt tubes on the right side of cooling tube (13) through threaded connection, the heat dissipation copper pipe has all been cup jointed to the outer lane of shunt tubes, the heat dissipation copper sheet has all been welded to the both sides of heat dissipation copper pipe, the delivery port and the cooling tube (2) of shunt tubes switch on mutually.
8. The explosion-proof motor for the mining new energy automobile as claimed in claim 1 and claim 6, wherein a second rotating shaft is rotatably connected to the inside of the bottom of the base (4), a first bevel gear is connected to the top of the second rotating shaft through a bolt, the top of the first bevel gear is connected to the bottom of the first fixing column (11) through a bolt, 3-9 fan blades are welded to the outer ring of the second rotating shaft, an air outlet box is sleeved to the outer ring of the second rotating shaft, the bottom of the air outlet box is welded to the inner wall of the bottom of the base (4), an air inlet is formed in the left side of the air outlet box, an air outlet is formed in the right side of the air outlet box, a fixing sleeve is welded to the inner wall of the back of the base (4), a first rotating shaft (10) is sleeved to the inner ring of the fixing sleeve, and a second bevel gear is connected to the left end of the first rotating shaft (10) through a bolt, the second bevel gear is meshed with the first bevel gear, the right end of the first rotating shaft (10) is connected with a first belt pulley (9) through a bolt, and the first belt pulley (9) is connected with a second belt pulley (31) through a belt.
9. The explosion-proof method for the mining new energy automobile according to claim 1 and claim 6, wherein when the motor normally operates, the motor shaft 26 rotates to drive the second pulley 31, the second pulley 31 rotates the first pulley 9 through a belt, the first pulley 9 rotates the second bevel gear through the first shaft 10, the second bevel gear rotates the first bevel gear through meshing, the first bevel gear drives the first piston 7 through the first connecting rod 6 to reciprocate left and right, the first piston 7 reciprocates to enable the cooling liquid in the cooling pipe 2 to be pumped into the cylinder 5 from the first check valve and then to be extruded into the cooling pipe 2 from the second check valve to form a backflow, so as to achieve heat dissipation to the interior of the motor casing 1, when the temperature in the interior of the motor casing 1 approaches to a limit value, the aluminum block in the cooling pipe 2 is heated to expand, and a part of the cooling liquid is forced to flow into the heat dissipation pipe 13, the cooling liquid flows back to the cooling pipe 2 after being cooled by the copper pipe and the copper sheet outside the cooling pipe 13, when the temperature inside the motor casing 1 is too high, high-temperature and high-pressure gas is formed, the gas enables the balloon 43 to expand through the first through pipe 14, the balloon 43 expands to enable the third piston 44 to move downwards, the L-shaped through hole in the third piston 44 is communicated with the fourth through pipe 50, liquid nitrogen in the liquid nitrogen tank 46 can flow into the cooling box 12 through the third through pipe 45, the copper pipe and the copper sheet in the cooling box 12 are cooled, the heat of the shunt pipe in the copper pipe is further dissipated, the cooling liquid in the shunt pipe is dissipated, meanwhile, the first bevel gear drives the second rotating shaft to rotate through rotation, the fan blades rotate to enable the air to flow through the air outlet box, and the cold air cooled by the liquid nitrogen is blown to the surface of the cooling pipe 2 on the right side of the air outlet box from the left side of the base 4 through the air outlet box, the cooling pipe 2 on the right side of the air outlet box is cooled, when the temperature in the motor casing 1 returns to a normal value, the gas in the balloon 43 can be sucked back into the motor casing 1, the liquid nitrogen in the liquid nitrogen tank 46 stops flowing into the heat dissipation box 12, and the cooling liquid in the cooling pipe 2 continues to dissipate the temperature in the motor casing 1 in a mode of exchanging with the external temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110761766.1A CN113422476A (en) | 2021-07-06 | 2021-07-06 | Explosion-proof motor of mining new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110761766.1A CN113422476A (en) | 2021-07-06 | 2021-07-06 | Explosion-proof motor of mining new energy automobile |
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| Publication Number | Publication Date |
|---|---|
| CN113422476A true CN113422476A (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110761766.1A Withdrawn CN113422476A (en) | 2021-07-06 | 2021-07-06 | Explosion-proof motor of mining new energy automobile |
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| Country | Link |
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| CN (1) | CN113422476A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645909A (en) * | 2022-04-14 | 2022-06-21 | 深圳市联兆电子有限公司 | New energy automobile power coupling excess temperature protection device |
| CN115220507A (en) * | 2022-09-21 | 2022-10-21 | 山西万家寨水控水利机电科技服务有限公司 | Novel integrated motor with leakage protection device |
-
2021
- 2021-07-06 CN CN202110761766.1A patent/CN113422476A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645909A (en) * | 2022-04-14 | 2022-06-21 | 深圳市联兆电子有限公司 | New energy automobile power coupling excess temperature protection device |
| CN114645909B (en) * | 2022-04-14 | 2023-11-03 | 深圳市联兆电子有限公司 | Over-temperature protection device for power coupler of new energy automobile |
| CN115220507A (en) * | 2022-09-21 | 2022-10-21 | 山西万家寨水控水利机电科技服务有限公司 | Novel integrated motor with leakage protection device |
| CN115220507B (en) * | 2022-09-21 | 2022-12-16 | 山西万家寨水控水利机电科技服务有限公司 | Novel integrated motor with leakage protection device |
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Application publication date: 20210921 |