CN215110451U

CN215110451U - Intelligent cooling device of speed regulation coupler

Info

Publication number: CN215110451U
Application number: CN202121566593.XU
Authority: CN
Inventors: 黄忠念; 王琪华
Original assignee: Nanjing Magnet Intelligent Technology Co ltd
Current assignee: Nanjing Magnet Intelligent Technology Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-10
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses an intelligent cooling device of a speed-regulating coupler, the intelligent cooling device comprises a coupler box body, a permanent magnet coupler, a reduction box body, a reduction box cover, a reduction assembly, a cooling assembly and a controller, the permanent magnet coupler is arranged in the coupler box body, the output shaft and the input shaft of the permanent magnet coupler are respectively exposed out of the two ends of the coupler box body, the reduction box body is internally provided with an inner cylinder, the reduction box body is divided into a reduction cavity and a cooling cavity through the inner cylinder, the bottom end of the reduction box body is connected with one end, close to the output shaft of the permanent magnet coupler, on the coupler box body, the reduction assembly is rotatably arranged in the reduction cavity, the reduction assembly is connected with the output shaft of the permanent magnet coupler, the cooling assembly is arranged in the cooling cavity, the reduction box cover is fixedly arranged at the top end of the reduction box body, and the cooling assembly is controlled by the controller; general permanent magnet coupler is difficult to adjust output shaft drive ratio, the utility model discloses a decelerator that sets up, the output shaft drive ratio of control permanent magnet coupler, through the cooling module who sets up, to the decelerator cooling.

Description

Intelligent cooling device of speed regulation coupler

Technical Field

The utility model relates to a mechanical transmission field, specificly a speed governing coupler intelligence cooling device.

Background

At present, a permanent magnet coupler is widely used in the field of mechanical transmission due to excellent characteristics, no mechanical connection between a motor and a load can be realized by utilizing the permanent magnet coupler, the permanent magnet coupler is flexibly connected, energy is saved, impact current of the motor can be reduced, the service life of the motor is prolonged, but the output rotating speed of the permanent magnet coupler is difficult to adjust, the existing scheme is to additionally arrange a speed adjusting device at the output shaft end of the permanent magnet coupler, but the existing speed adjusting device has poor heat dissipation performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, to the shortcoming of above prior art, provide a speed governing coupler intelligence cooling device, the utility model discloses convenient operation, safe and reliable, simple structure, it is with low costs, both can be through the output shaft rotational speed of the planetary gear set control permanent magnet coupler who sets up, can cool down to decelerator through the cooling device who sets up again.

In order to solve the technical problem, the technical scheme of the utility model is realized through following mode: an intelligent cooling device of a speed-regulating coupler comprises a coupler box body, a permanent magnet coupler, a reduction box body, a reduction box cover, a reduction assembly, a cooling assembly and a controller, wherein the permanent magnet coupler is arranged in the coupler box body, a coupler output shaft and a coupler input shaft of the permanent magnet coupler are respectively exposed out of two ends of the coupler box body, the reduction box body is cylindrical, an inner cylinder is arranged in the reduction box body, one end of the inner cylinder is fixed with the bottom end of the reduction box body and is divided into a reduction cavity and a cooling cavity through the inner cylinder, the bottom end of the reduction box body is connected with one end, close to the coupler output shaft, of the coupler box body, an output shaft through hole is formed in the bottom end of the reduction box body, the coupler output shaft penetrates through the output shaft through hole in the bottom end of the reduction box body and extends into the reduction cavity, the reduction assembly is rotatably arranged in the reduction cavity, the reduction assembly is connected with the coupler output shaft, and the cooling assembly is arranged in the cooling cavity, the speed reduction box cover is fixedly arranged at the top end of the speed reduction box body, one end of the speed reduction assembly is exposed out of the speed reduction box cover, the controller is arranged on the coupler box body, and the cooling assembly is electrically connected with the controller;

the end, far away from the reduction box body, of the reduction box cover along the axial direction is provided with an outward-formed shaft fixing seat, the shaft fixing seat is a cylinder, the bottom end of the shaft fixing seat is provided with a through hole which penetrates through the reduction box cover along the axial direction, the bottom end of the shaft fixing seat is provided with a first oil seal groove, a first oil seal ring is arranged in the first oil seal groove, the bottom end of the shaft fixing seat is provided with a third limiting boss along the edge close to the side wall, the top end of the shaft fixing seat is provided with a first connecting flange, a fixing seat gland is connected onto the first connecting flange, the fixing seat gland is provided with a shaft through hole along the axial line, and the end, close to the shaft fixing seat, of the fixing seat gland is outward-formed and provided with a fourth limiting boss;

the cooling assembly comprises a right-angle pipe joint, a first three-way joint, a multi-hole oil nozzle, a second three-way joint, a plurality of air duct pipes, a plurality of water duct pipes, a circular ring fixing seat, a water tank, a water pump motor, an exhaust fan, an oil pump motor, a plurality of transverse copper pipes and a plurality of longitudinal copper pipes; one end of the circular ring fixing seat along the axial direction is inwards formed with an annular groove;

the right-angle pipe joint and the first three-way joint are both fixedly arranged on the outer side wall of the inner barrel, the right-angle pipe joint and the first three-way joint are respectively positioned at the lowest point and the highest point of the inner barrel along the vertical surface, the uniform end of the right-angle pipe joint and the first three-way joint penetrates through the side wall of the inner barrel and extends into the speed reducing cavity, the porous oil nozzle is arranged on the inner wall of the inner barrel, the inlet of the porous oil nozzle is connected with one end of the first three-way joint extending into the speed reducing cavity, the second three-way joint is fixedly arranged on one side of the outer wall of the inner barrel, which is close to the speed reducing box cover, and is parallel to the right-angle pipe joint on the horizontal plane, the air duct pipe and the water duct pipe are rectangular pipes with the same structure, the two ends of the air duct pipe and the water duct pipe along the length direction are both closed, the side walls of the air duct pipe and the water duct pipe are both provided with an inlet and an outlet, and one ends of the air duct pipe along the thickness direction are both provided with an inward-formed semicircular groove, the semicircular groove on the air duct pipe and the semicircular groove of the water duct pipe are combined into a round groove, each air duct pipe is respectively attached and fixed with one end face of the water duct pipe, the semicircular grooves arranged on the air duct pipe and the water duct pipe form the round groove, each group of air duct pipe and water duct pipe which are attached and fixed mutually are defined as cooling pipe groups, the cooling pipe groups are uniformly arranged at one end, far away from the annular groove, of the annular fixing seat at intervals along the circumferential direction, through holes penetrating through the annular groove are formed in the position, corresponding to each cooling pipe group, of the annular fixing seat, a longitudinal copper pipe is arranged in the round groove formed by the semicircular grooves on each cooling pipe group, the longitudinal copper pipe is attached to the semicircular grooves, and one end of the longitudinal copper pipe in each cooling pipe group penetrates through the through hole in the annular fixing seat;

defining a vertical surface which is coincident with the axis of the circular ring fixing seat as a reference surface, wherein the positions, corresponding to the two sides of the reference surface, on the circular ring fixing seat are respectively the left side of the circular ring fixing seat and the right side of the circular ring fixing seat; two side outlet ends of the second three-way joint are respectively connected with one end of each of two transverse copper pipes, and the free ends of the two transverse copper pipes are respectively positioned on the left side of the circular ring fixing seat and the right side of the circular ring fixing seat; the transverse copper pipe connected with the outlet end of the second three-way joint on each side is connected with one end of a longitudinal copper pipe which is arranged on the same side and is closest to the outlet end of the second three-way joint, the transverse copper pipes are arranged in the cooling pipe groups on the same side of the circular fixing seat, the ports of the same sides of two longitudinal copper pipes in two adjacent groups of cooling pipe groups are connected through the transverse copper pipes, and the transverse copper pipes arranged at one ends of the longitudinal copper pipes penetrating through the through holes in the circular fixing seat are embedded into the annular grooves; two interface ends of the first three-way joint are respectively provided with a longitudinal copper pipe, and free ends of the two longitudinal copper pipes are respectively connected with two longitudinal copper pipes which are closest to the first three-way joint on the left side and the right side of the circular ring fixing seat through transverse copper pipes;

in the multiple groups of cooling pipe groups, the inlet of a duct pipe in one group of cooling pipe groups is connected with the outlet of a duct pipe in an adjacent group of cooling pipe groups through a duct air passage, the inlet of the duct pipe of one group of cooling pipe groups is not provided with an air pipe, the duct pipe is communicated with the outside air through the inlet, the outlet of the duct pipe of one group of cooling pipe groups adjacent to the group of cooling pipe groups passes through the side wall of the reduction box body through the air pipe to be connected with the air inlet of an exhaust fan, and the exhaust fan is fixedly arranged on the coupler box body; in the multiple groups of cooling pipe groups, inlets of water pipe pipes in one group of cooling pipe groups are connected with outlets of water pipe pipes in an adjacent group of cooling pipe groups through water pipes, inlets of water pipe pipes in one group of cooling pipe groups are connected with a water outlet of a water pump motor through water pipes, outlets of water pipe pipes in one group of cooling pipe groups adjacent to the group of cooling pipe groups are connected with a water inlet of a water tank through water pipes, the water outlet of the water tank is connected with a water inlet of the water pump motor through a metal hose, and the water tank and the water pump motor are fixedly arranged on the coupler tank body;

the oil pump motor is fixedly arranged on the coupler box body, an inlet of the oil pump motor penetrates through the side wall of the reduction box body through a first oil pipe to be connected with the right-angle pipe joint, and an outlet of the oil pump motor is connected with an inlet end of a second three-way joint through a second oil pipe;

the controller is electrically connected with the exhaust fan, the oil pump motor and the water pump motor, and is connected with an external power supply through wires.

The utility model discloses, through the speed reduction subassembly that sets up, adjust the rotational speed of permanent magnet coupler output, thereby it is right the utility model discloses the rotational speed of final output is adjusted, through the oil pump motor that sets up, vertical copper pipe, horizontal copper pipe, first three way connection, right angle pipe joint and the cooperation of second three way connection, make the coolant oil of cooling intracavity at vertical copper pipe and horizontal copper intraductal circulation flow, when the coolant oil flows through vertical copper pipe, the intraductal wind of flowing through of wind channel through setting up and the intraductal water of flowing through of water channel, exchange the coolant oil heat, reduce the temperature of coolant oil, and under the chilly condition of weather, only need to start through the air exhauster, with vertical copper pipe of external cold wind suction and horizontal copper pipe, thereby the energy can be saved.

The utility model discloses the technical scheme who further injects is:

the speed reducing assembly comprises a transmission output shaft, a sun gear, three planet gears, six first needle roller bearings, three first locking bolts, a triangular rotating disc, one second locking bolt, one internal tooth gear ring, one gear ring fixing seat and two second needle roller bearings; the middle section of the transmission output shaft along the axial direction is provided with a second limiting boss which is formed outwards; the two ends of each planetary gear along the axial direction are symmetrically provided with first bearing installation grooves which are formed inwards, gear rotating shafts are arranged at three vertex angles of the triangular rotating disc, one end of each gear rotating shaft, which is close to the triangular rotating disc, is provided with a first limiting boss, the geometric center of the triangular rotating disc is provided with a circular installation boss which is formed outwards, and an installation hole is formed in the axial direction of the circular installation boss; the gear ring fixing seat is a circular tube, and one end of the gear ring fixing seat along the axial direction is provided with a fixing plate; the planetary gear, the internal tooth gear ring and the sun gear are matched, the structure is compact, and the output rotating speed of the permanent magnet coupler is adjusted through the planetary gear set.

The sun gear is fixedly arranged on the output shaft of the coupler, the six first needle roller bearings are divided into three groups in pairs, the three groups of the first needle roller bearings are respectively arranged on the three planet gears, and the two first needle roller bearings of each group are respectively arranged in first bearing mounting grooves at two ends of the planet gears along the axial direction; the three planetary gears are respectively and rotatably arranged on the three gear rotating shafts, a first needle bearing on each planetary gear is in sliding fit with the gear rotating shafts, a gap is formed between a shaft hole of each planetary gear and the corresponding gear rotating shaft, an inner ring of the first needle bearing, close to a first limiting boss, on each planetary gear is abutted against the first limiting boss, three first locking bolts are respectively arranged on the three gear rotating shafts, each first locking bolt is abutted against the inner ring of the first needle bearing, far away from the first limiting boss, on the corresponding planetary gear, the two second needle bearings are sleeved on the transmission output shaft, the two second needle bearings are respectively positioned on two sides of the second limiting bosses, the internal gear ring is fixedly arranged in the gear ring fixing seat, and the fixing plate is fixedly connected with the bottom end of the reduction box body; one end of the transmission output shaft penetrates through a through hole at the bottom end of the shaft fixing seat and extends into the reduction box body, the transmission output shaft penetrates through the first oil seal ring and is in interference fit with the first oil seal ring, the two second needle roller bearings 1 are embedded into the shaft fixing seat, an outer ring of the second needle roller bearing close to the bottom end of the shaft fixing seat is abutted against the third limiting boss, the other end of the transmission output shaft penetrates through a shaft through hole of the fixing seat gland to expose the shaft fixing seat, and an outer ring of the second needle roller bearing close to the fixing seat gland is abutted against the fourth limiting boss; a connecting boss is arranged at one end of the transmission output shaft extending into the reduction box body, the connecting boss penetrates through the mounting hole, the transmission output shaft abuts against the first limiting boss, a second locking bolt is arranged at one end of the connecting boss penetrating into the mounting hole, the second locking bolt abuts against the triangular rotating disc, and the three planetary gears are meshed and matched with the sun gear and the internal tooth gear ring simultaneously; simple structure, cooperation precision, long service life.

A third oil seal groove is formed in one end, close to the second needle bearing, of the fixed seat gland in the axial direction, a third oil seal ring is arranged in the third oil seal groove and in interference fit with the third oil seal groove, and the third oil seal ring is sleeved on the transmission output shaft; through the third oil seal ring that sets up, sealed between counter shaft fixing base and the external world, prevent the oil leak.

A second oil seal groove is formed in the bottom end of the reduction box body and is far away from one end of the coupler box body along the axial direction, the axis of the second oil seal groove is overlapped with the axis of the output shaft through hole in the bottom end of the reduction box body, a second oil seal ring is arranged in the second oil seal groove and is sleeved on the output shaft of the coupler, a second oil seal gland is arranged at the top end of the second oil seal groove and abuts against the second oil seal ring; through the second oil seal ring that sets up, can prevent that the cooling oil in the cooling chamber from oozing into the coupler box, causing permanent magnet coupler to damage.

The inner wall of the top end of the reduction box body and the outer wall of the top end of the inner cylinder are both internally provided with a leakage-proof groove in a forming mode, one end of the reduction box cover, which is close to the reduction box body in the axial direction, is provided with a leakage-proof boss in sliding fit with the leakage-proof groove on the inner wall of the top end of the reduction box body and the outer wall of the top end of the inner cylinder, and the bottom of the leakage-proof groove is provided with a sealing gasket; through the cooperation of the arranged leakage-proof boss and the sealing washer, the cooling oil in the cooling cavity can be prevented from seeping into the cooling cavity.

A fourth oil seal groove is formed inwards at one end of the reduction box cover, which is close to the reduction box body along the axial direction, along the axial line, a fourth oil seal ring is arranged in the fourth oil seal groove, the fourth oil seal ring is sleeved on the transmission output shaft, a fourth oil seal gland is arranged at the groove top of the fourth oil seal groove, and the fourth oil seal gland abuts against the fourth oil seal ring; through the fourth oil seal circle that sets up, will slow down to seal between chamber and the axle fixing base, prevent to slow down intracavity cooling oil inflow axle fixing base.

A plurality of copper sheets are arranged on the side wall of the longitudinal copper pipe and in the circumferential direction corresponding to the position of the air duct pipe, penetrate through the side wall of the air duct pipe and extend into the air duct pipe, and the copper sheets are sealed with the side wall of the air duct pipe through glue; the copper sheet through setting up has increased the heat radiating area of vertical copper pipe, the intraductal ventilation back of air duct that improves, the efficiency of forced air cooling.

A plurality of ventilation grooves are formed in the side wall of the reduction box body along the circumferential direction; cooling oil is arranged in the speed reducing cavity; through ventilative groove, make things convenient for cooling chamber and outside air to exchange.

An oil filling port is arranged on the reduction gearbox cover; through the oiling mouth that sets up, conveniently to the intracavity filling cooling oil that slows down.

The utility model has the advantages that: through the technical scheme of the utility model, the speed reduction speed regulation type permanent magnet coupler who sets up, through the speed reduction subassembly that sets up, adjust the rotational speed of permanent magnet coupler output, thereby it is right the utility model discloses the rotational speed of final output is adjusted, through the cooperation of the oil pump motor that sets up, vertical copper pipe, horizontal copper pipe, first three way connection, right angle coupling and second three way connection, make the cooling oil in the cooling chamber circulate and flow in vertical copper pipe and horizontal copper pipe, when the cooling oil flows through vertical copper pipe, through the wind that flows through in the air duct pipe that sets up and the water that flows through in the water duct pipe, exchange the cooling oil heat, reduce the temperature of cooling oil, and under the cold condition of weather, only need start through the air exhauster, with external cold wind suction vertical copper pipe and horizontal copper pipe, thereby energy saving; the arranged oil seal rings can prevent cooling oil in the cooling cavity from leaking; the heat dissipation area of the longitudinal copper pipe is increased through the copper sheets arranged on the longitudinal copper pipe, and the air cooling efficiency is improved after ventilation in the air duct pipe.

Drawings

Fig. 1 is an axial view of the overall structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a sectional view taken at a-a in fig. 2.

Fig. 4 is a partial enlarged view of fig. 3 at B.

Fig. 5 is a partial enlarged view of fig. 3 at C.

Fig. 6 is a right side view of the present invention.

Fig. 7 is a cross-sectional view taken at D-D in fig. 6.

Fig. 8 is a cross-sectional view taken at E-E of fig. 6.

Fig. 9 is a partial enlarged view at F in fig. 8.

Wherein: 1-a coupler box body, 2-a permanent magnet coupler, 2 a-a coupler output shaft, 2 b-a coupler input shaft, 3-a reduction box body, 3 a-a reduction cavity, 3 b-a cooling cavity, 3 c-a second oil seal groove, 3 d-a second oil seal ring, 3 e-a second oil seal gland, 4-a reduction box cover, 4 a-a shaft fixing seat, 4 b-a first oil seal groove, 4 c-a first oil seal ring, 4 d-a first connecting flange, 4 e-a third limit boss, 5-an inner cylinder, 6-a transmission output shaft, 6 a-a second limit boss, 7-a sun gear, 8-a planet gear, 8a first shaft mounting groove, 9-a first needle bearing, 10-a first locking bolt, 11-a triangular rotating disc, 11 a-a gear rotating shaft, 11 b-a first limit boss, 11 c-a circular mounting boss, 11 d-a mounting hole, 12-a second locking bolt, 13-an internal gear ring, 14-a gear ring fixing seat, 14 a-a fixing plate, 15-a second needle bearing, 16-a fixing seat pressing cover, 16 a-a fourth limit boss, 16 b-a third oil seal groove, 16 c-a third oil seal ring, 17-a right-angle pipe joint, 18-a first tee joint, 19-a porous oil nozzle, 20-a second tee joint, 21-an air duct pipe, 22-a water duct pipe, 23-a ring fixing seat, 23 a-an annular groove, 24-a water tank, 25-a water pump motor, 26-an oil injection port, 27-an exhaust fan and 28-an oil pump motor, 29-transverse copper pipe, 30-longitudinal copper pipe, 31-semicircular groove, 32-air pipe, 33-first oil pipe, 34-second oil pipe, 35-water pipe, 36-metal hose, 37-leakage-proof groove, 38-fourth oil seal groove, 39-fourth oil seal ring, 40-fourth oil seal gland, 41-leakage-proof boss, 42-seal ring, 43-copper sheet and 44-controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings in the embodiments of the present invention.

It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art.

Example 1

As shown in fig. 1 and 2, an intelligent cooling device for a speed-regulating coupler comprises a coupler box 1, a permanent magnet coupler 2, a reduction box 3, a reduction box cover 4, a reduction assembly, a cooling assembly and a controller 44, wherein the permanent magnet coupler 2 is arranged in the coupler box 1, a coupler output shaft 2a and a coupler input shaft 2b of the permanent magnet coupler 2 are respectively exposed out of two ends of the coupler box 1, the coupler input shaft 2b is connected with a power source, the reduction box 3 is cylindrical, an inner cylinder 5 is arranged in the reduction box 3, one end of the inner cylinder 5 is fixed with the bottom end of the reduction box 3, the reduction box 3 is divided into a reduction cavity 3a and a cooling cavity 3b by the inner cylinder 5, the bottom end of the reduction box 3 is connected with one end, close to the coupler output shaft 2a, of the reduction box 3 is provided with an output shaft through hole, the coupler output shaft 2a penetrates through the output shaft through hole at the bottom end of the reduction box 3 and extends into the reduction cavity 3a, the speed reducing assembly is rotatably arranged in the speed reducing cavity 3a and is connected with the coupler output shaft 2a, the coupler output shaft 2a drives the speed reducing assembly to rotate, the cooling assembly is arranged in the cooling cavity 3b, the speed reducing box cover 4 is fixedly arranged at the top end of the speed reducing box body 3, one end of the speed reducing assembly is exposed out of the speed reducing box cover 4, the controller 44 is arranged on the coupler box body 1, the cooling assembly is electrically connected with the controller 44, the controller 44 controls the start and stop of the cooling assembly, the cooling assembly pumps cooling oil in the speed reducing cavity 3a in a circulating mode and cools the cooling oil in the pumping process;

as shown in fig. 3, one end of the reduction box cover 4, which is far away from the reduction box body 3 along the axial direction, is provided with an outward-formed shaft fixing seat 4a, the shaft fixing seat 4a is a cylinder, the bottom end of the shaft fixing seat 4a is provided with a through hole which penetrates through the reduction box cover 4 along the axial direction, the bottom end of the shaft fixing seat 4a is provided with a first oil seal groove 4b, a first oil seal ring 4c is arranged in the first oil seal groove 4b, the bottom end of the shaft fixing seat 4a is provided with a third limiting boss 4e along the edge close to the side wall, the top end of the shaft fixing seat 4a is provided with a first connecting flange 4d, the first connecting flange 4d is connected with a fixing seat gland 16 through a bolt, the fixing seat gland 16 is provided with a shaft through hole along the axis, and one end of the fixing seat gland 16, which is close to the shaft fixing seat 4a, is provided with a fourth limiting boss 16a through outward-forming.

Referring to fig. 3, 4 and the drawings, the cooling assembly comprises a right-angle pipe joint 17, a first three-way joint 18, a multi-hole oil nozzle 19, a second three-way joint 20, a plurality of air duct pipes 21, a plurality of water duct pipes 22, a circular ring fixing seat 23, a water tank 24, a water pump motor 25, a suction fan 27, an oil pump motor 28, a plurality of transverse copper pipes 29 and a plurality of longitudinal copper pipes 30; one end of the circular ring fixing seat 23 along the axial direction is inwards formed with an annular groove 23 a;

the right-angle pipe joint 17 and the first three-way joint 18 are both fixedly arranged on the outer side wall of the inner cylinder 5, and the right-angle pipe joint 17 and the first three-way joint 18 are respectively positioned at the lowest point and the highest point of the vertical surface of the inner cylinder 5; the uniform ends of the right-angle pipe joint 17 and the first three-way joint 18 penetrate through the side wall of the inner cylinder 5 and extend into the speed reduction cavity 3a, the right-angle pipe joint 17 is positioned at the lowest point of the inner cylinder 5 along the vertical surface, so that the oil pump motor 28 can conveniently extract cooling oil in the speed reduction cavity 3a, the first three-way joint 18 is arranged at the highest point of the inner cylinder 5 along the vertical surface, a plurality of transverse copper pipes 29 and a plurality of longitudinal copper pipes 30 form a longest pipeline, and the heat exchange time of the cooling oil is prolonged;

the porous oil nozzle 19 is arranged on the inner wall of the inner cylinder 5, the inlet of the porous oil nozzle 19 is connected with one end, extending into the speed reduction cavity 3a, of the first three-way joint 18, and the porous oil nozzle 19 sprays cooling oil flowing to the first three-way joint 18 to the speed reduction device; the second three-way joint 20 is fixedly arranged on one side, close to the reduction gearbox cover 4, of the outer wall of the inner barrel 5 and is parallel to the right-angle pipe joint 17 on the horizontal plane, the air duct pipe 21 and the water duct pipe 22 are rectangular pipes with the same structure, two ends of the air duct pipe 21 and two ends of the water duct pipe 22 in the length direction are both closed, the side walls of the air duct pipe 21 and the water duct pipe 22 are both provided with inlets and outlets, and air and water flowing through the air duct pipe 21 and the water duct pipe 22 enter from the inlets and flow out from the outlets; one ends of the air duct pipe 21 and the water duct pipe 22 in the thickness direction are respectively provided with an inward-formed semicircular groove 31, and the semicircular grooves 31 are matched with the longitudinal copper pipe 30 in shape; the semicircular groove 31 on the air duct pipe 21 and the semicircular groove 31 of the water duct pipe 22 are combined into a whole circular groove to coat the side wall of the longitudinal copper pipe 30, so that the heat dissipation area is increased, the contact surface between the air duct pipe 21 and the longitudinal copper pipe 30 absorbs the heat transferred by the longitudinal copper pipe 30 and takes away the heat through the air flowing through the air duct pipe 21, and the contact surface between the water duct pipe 22 and the longitudinal copper pipe 30 absorbs the heat transferred by the longitudinal copper pipe 30 and takes away the heat through the water flowing through the water duct pipe 22;

each air duct pipe 21 is respectively attached and fixed with one end face of a water duct pipe 22, the semicircular grooves 31 arranged on the air duct pipe 21 and the water duct pipe 22 form a circular groove, each group of air duct pipes 21 and water duct pipes 22 which are attached and fixed with each other are defined as cooling pipe groups, a plurality of cooling pipe groups are uniformly arranged at intervals on one end, far away from the annular groove 23a, of the circular ring fixing seat 23 along the circumferential direction, through holes penetrating through the annular groove 23a are formed in the position, corresponding to each cooling pipe group, of the circular ring fixing seat 23, a longitudinal copper pipe 30 is arranged in each group of cooling pipe groups, the circular groove is formed by the semicircular grooves 31, the longitudinal copper pipes 30 are attached to the semicircular grooves 31, and one end of each longitudinal copper pipe 30 in each group of cooling pipe groups penetrates through the through holes in the circular ring fixing seat 23;

defining a vertical surface which is coincident with the axis of the circular ring fixing seat 23 as a reference surface, wherein the positions, corresponding to the two sides of the reference surface, on the circular ring fixing seat 23 are respectively the left side of the circular ring fixing seat 23 and the right side of the circular ring fixing seat 23; the outlet ends of the two sides of the second three-way joint 20 are respectively connected with one end of two transverse copper pipes 29, and the free ends of the two transverse copper pipes 29 are respectively positioned on the left side of the circular ring fixing seat 23 and the right side of the circular ring fixing seat 23; the transverse copper pipe 29 connected with the outlet end of the second three-way joint 20 on each side is connected with one end of one longitudinal copper pipe 30 which is arranged on the same side and is closest to the outlet end of the second three-way joint, the transverse copper pipes 29 are arranged in the cooling pipe groups on the same side of the circular ring fixing seat 23, the ports of the same sides of the two longitudinal copper pipes 30 in the two adjacent groups of cooling pipe groups are connected through the transverse copper pipes 29, and the transverse copper pipes 29 arranged at one ends of the longitudinal copper pipes 30 penetrating through the through holes in the circular ring fixing seat 23 are embedded into the annular grooves 23 a; two interface ends of the first three-way joint 18 are respectively provided with a longitudinal copper pipe 30, and free ends of the two longitudinal copper pipes 30 are respectively connected with the two longitudinal copper pipes 30 which are closest to the first three-way joint 18 on the left side and the right side of the annular fixed seat 23 through transverse copper pipes 29; the cooling oil discharged from the oil pump motor 28 is branched by the second three-way joint 20 to increase the heat radiation efficiency, and the branched cooling oil is merged by the first three-way joint 18.

As shown in fig. 7, in the plurality of cooling pipe groups, the inlet of the duct pipe 21 in one cooling pipe group is connected with the outlet of the duct pipe 21 in the adjacent cooling pipe group through the air pipe 32, and the inlet of the duct pipe 21 in one cooling pipe group is not provided with the air pipe 32, the duct pipe 21 is communicated with the outside air through the inlet, the outlet of the duct pipe 21 in the adjacent cooling pipe group is connected with the air inlet of the exhaust fan 27 through the side wall of the reduction box 3 through the air pipe 32, the exhaust fan 27 is fixedly arranged on the coupler box 1, all the duct pipes 21 are communicated with each other to form an air duct, and the exhaust fan 27 sucks the air to make the outside air flow through the duct formed by the mutual communication of the duct pipes 21, thereby cooling the cooling oil flowing through the longitudinal copper pipe 30;

in the multiple groups of cooling pipe groups, the inlet of the water pipe 22 in one group of cooling pipe groups is connected with the outlet of the water pipe 22 in the adjacent group of cooling pipe groups through a water pipe 35, the inlet of the water pipe 22 in one group of cooling pipe groups is connected with the water outlet of the water pump motor 25 through the side wall of the reduction box body 3 through the water pipe 35, the outlet of the water pipe 22 in one group of cooling pipe groups adjacent to the group of cooling pipe groups is connected with the water inlet of the water tank 24 through the side wall of the reduction box body 3 through the water pipe 35, the water outlet of the water tank 24 is connected with the water inlet of the water pump motor 25 through a metal hose 36, and the water tank 24 and the water pump motor 25 are both fixedly arranged on the coupler box body 1; all the water channel pipes 22 are communicated with each other to form a water channel, water in the water tank 24 flows through the water channel formed by the mutual communication of the water channel pipes 22 and finally returns to the water tank 24 by suction and discharge of the water pump motor 25, and the circulation is repeated in this way, so that the cooling oil flowing through the longitudinal copper pipe 30 is cooled.

The oil pump motor 28 is fixedly arranged on the coupler box 1, an inlet of the oil pump motor 28 penetrates through the side wall of the reduction box 3 through a first oil pipe 33 and is connected with the right-angle pipe joint 17, an outlet of the oil pump motor 28 is connected with an inlet end of the second three-way joint 20 through a second oil pipe 34, the oil pump motor 28 takes out cooling oil in the reduction cavity 3a and leads the cooling oil to the second three-way joint 20 side by side, and the cooling oil is shunted by the second three-way joint 20.

The controller 44 is electrically connected with the exhaust fan 27, the oil pump motor 28 and the water pump motor 25, and the controller 44 is connected with an external power supply through wires; the controller 44 controls the start and stop of the exhaust fan 27, the oil pump motor 28 and the water pump motor 25, so that the operation is convenient.

As shown in fig. 3, 5 and 7, the speed reduction assembly includes a transmission output shaft 6, a sun gear 7, three planetary gears 8, six first needle bearings 9, three first lock bolts 10, a triangular rotating disc 11, one second lock bolt 12, one internally toothed ring gear 13, one ring gear holder 14 and two second needle bearings 15; a second limiting boss 6a which is formed outwards is arranged at the middle section of the transmission output shaft 6 along the axial direction; two ends of each planetary gear 8 along the axial direction are symmetrically provided with first bearing installation grooves 8a which are formed inwards, three vertex angles of the triangular rotating disc 11 are respectively provided with a gear rotating shaft 11a, one end of each gear rotating shaft 11a, which is close to the triangular rotating disc 11, is provided with a first limiting boss 11b, the geometric center of the triangular rotating disc 11 is provided with a circular installation boss 11c which is formed outwards, and an installation hole 11d is formed along the axial direction of the circular installation boss 11 c; the gear ring fixing seat 14 is a circular tube, and one end of the gear ring fixing seat 14 in the axial direction is provided with a fixing plate 14 a;

the sun gear 7 is fixedly arranged on the coupler output shaft 2a and is matched with the key groove to synchronously rotate through a key, every two of the six first needle roller bearings 9 are divided into three groups, the three groups of the first needle roller bearings 9 are respectively arranged on the three planet gears 8, each group of the two first needle roller bearings 9 is respectively arranged in the first bearing installation grooves 8a at the two ends of the planet gears 8 along the axial direction, and the inner diameter of each first needle roller bearing 9 is smaller than that of each planet gear 8, so that the planet gears 8 are not in contact with the gear rotating shaft 11a, and friction is reduced; the three planetary gears 8 are respectively rotatably arranged on the three gear rotating shafts 11a, the first needle bearing 9 on each planetary gear 8 is in sliding fit with the gear rotating shafts 11a, a gap is formed between the shaft hole of each planetary gear 8 and the corresponding gear rotating shaft 11a, the inner ring of the first needle bearing 9, close to the first limiting boss 11b, on each planetary gear 8 is abutted against the first limiting boss 11b, the three first locking bolts 10 are respectively arranged on the three gear rotating shafts 11a, each first locking bolt 10 is abutted against the inner ring of the first needle bearing 9, far away from the first limiting boss 11b, on the corresponding planetary gear 8, and the first locking bolts 10 both limit the axial sliding of the planetary gears 8 and do not influence the rotation of the first needle bearings 9;

the two second needle roller bearings 15 are sleeved on the transmission output shaft 6, the two second needle roller bearings 15 are respectively positioned on two sides of the second limiting boss 6a, the internal gear ring 13 is fixedly arranged in the gear ring fixing seat 14, and the fixing plate 14a is fixedly connected with the bottom end of the reduction box body 3 through bolts; one end of the transmission output shaft 6 penetrates through a through hole at the bottom end of the shaft fixing seat 4a and extends into the reduction box body 3, the transmission output shaft 6 penetrates through the first oil seal ring 4c and is in interference fit with the first oil seal ring 4c, the two second needle roller bearings 15 are embedded into the shaft fixing seat 4a, an outer ring of the second needle roller bearing 15 close to the bottom end of the shaft fixing seat 4a is abutted against a third limiting boss 4e, the other end of the transmission output shaft 6 penetrates through a shaft through hole of the fixing seat gland 16 to expose out of the shaft fixing seat 4a, an outer ring of the second needle roller bearing 15 close to the fixing seat gland 16 is abutted against a fourth limiting boss 16a, and the two second needle roller bearings 15 are matched with the fixing seat gland 16 and the shaft fixing seat 4a, so that the axial sliding of the transmission output shaft 6 is limited and the transmission output shaft 6 can freely rotate; one end that transmission output shaft 6 stretched into reduction box 3 is equipped with connection boss 6b, connection boss 6b passes mounting hole 11d, and transmission output shaft 6 offsets with first spacing boss 11b, second locking bolt 12 sets up in the one end that connects boss 6b to penetrate mounting hole 11d, and second locking bolt 12 offsets with triangle rolling disc 11, and three planetary gear 8 all simultaneously with sun gear 7, the meshing cooperation of internal tooth ring gear 13, internal tooth ring gear 13 is fixed, then when sun gear 7 rotates, three planetary gear 8 respectively uses self axis as the rotation axis pivoted while, can rotate along sun gear 7's circumferencial direction, thereby make triangle rolling disc 11 rotate, thereby drive transmission output shaft 6 and rotate.

As shown in fig. 4, a third oil seal groove 16b is formed inward at one end of the fixing seat gland 16 close to the second needle bearing 15 in the axial direction, a third oil seal ring 16c is arranged in the third oil seal groove 16b, the third oil seal ring 16c is in interference fit with the third oil seal groove 16b, and the third oil seal ring 16c is sleeved on the transmission output shaft 6.

The bottom of reduction box 3 keeps away from the inside shaping of one end of coupler box 1 along the axial and is equipped with second oil seal groove 3c, and the axis coincidence of the output shaft via hole of the axis of second oil seal groove 3c and the 3 bottom of reduction box, be equipped with second oil seal ring 3d in the second oil seal groove 3c, and on coupler output shaft 2a was located to second oil seal ring 3d cover, rotate between second oil seal ring 3d and the coupler output shaft 2a and be connected, there is second oil seal gland 3e on the top of second oil seal groove 3c through bolted connection, and second oil seal gland 3e offsets with second oil seal ring 3d, restriction second oil seal ring 3d axial huadong.

All inwards forming is equipped with leak protection groove 37 on the inner wall on 3 tops of reduction box and the outer wall on 5 tops of inner tube, and reduction box lid 4 is equipped with along the axial one end that is close to reduction box 3 with the inner wall on 3 tops of reduction box and leak protection boss 41 of leak protection groove 37 sliding fit on the outer wall on 5 tops of inner tube, and leak protection groove 37 bottom is equipped with seal ring 42, and leak protection boss 41 compresses tightly seal ring 42, strengthens the leakproofness between cooling chamber 3b and the speed reduction chamber 3 a.

One end of the reduction box cover 4 close to the reduction box body 3 along the axial direction is provided with a fourth oil seal groove 38 along the axial line inward forming, a fourth oil seal ring 39 is arranged in the fourth oil seal groove 38, the fourth oil seal ring 39 is sleeved on the transmission output shaft 6, a fourth oil seal gland 40 is arranged at the groove top of the fourth oil seal groove 38, and the fourth oil seal gland 40 abuts against the fourth oil seal ring 39.

As shown in fig. 9, a plurality of copper sheets 43 are disposed on the side wall of the longitudinal copper pipe 30 and at positions corresponding to the air duct pipe 21 along the circumferential direction, the copper sheets 43 penetrate through the side wall of the air duct pipe 21 and extend into the air duct pipe 21, and the copper sheets 43 and the side wall of the air duct pipe 21 are sealed by glue; the heat of the cooling oil flowing through the longitudinal copper pipe 30 is transferred to the copper sheets 43, and the heat dissipation area of the longitudinal copper pipe 30 is increased by the plurality of copper sheets 43, so that the air cooling efficiency is improved.

A plurality of ventilation grooves are formed in the side wall of the reduction box body 3 along the circumferential direction, so that the cooling cavity 3b is communicated with the outside air; the speed reduction chamber 3a is provided with cooling oil therein.

An oil filling port 26 is arranged on the reduction box cover 4; the cooling oil can be supplied into the speed reduction chamber 3a through the oil filler 26.

The using process of the embodiment is as follows: cooling oil is filled into the speed reduction cavity 3a through the oil filling port 26, the coupler input shaft 2b is connected with a power source and is driven to rotate by the power source, the permanent magnet coupler 2 drives the coupler output shaft 2a to rotate, the coupler output shaft 2a rotates to drive the sun gear 7 to rotate, and the internal tooth gear ring 13 is fixed, so that when the sun gear 7 rotates, the three planet gears 8 rotate along the circumferential direction of the sun gear 7 while rotating by taking the axes of the three planet gears as rotating axes respectively, the triangular rotating disc 11 rotates to drive the transmission output shaft 6 to rotate, and a large amount of heat is generated in the working process of the speed reduction assembly;

the exhaust fan 27, the oil pump motor 28 and the water pump motor 25 are controlled to start through the controller 44, the oil pump motor 28 pumps the cooling oil in the speed reduction cavity 3a, the cooling oil discharged by the oil pump motor 28 is shunted and conveyed to an oil path formed by the longitudinal copper pipes 30 and the transverse copper pipes 29 on the left and right sides of the annular fixed seat 23 through the second three-way joint 20, and the cooling oil shunted to the left and right sides of the annular fixed seat 23 is converged through the first three-way joint 18;

when the cooling oil flows through each longitudinal copper pipe 30, the cooling oil is sucked by the exhaust fan 27, so that the outside air flows through an air channel formed by the mutual communication of the air channel pipes 21, the contact surfaces of the air channel pipes 21 and the longitudinal copper pipes 30 absorb heat transmitted by the longitudinal copper pipes 30, the heat is taken away by the air flowing through the air channel pipes 21, the cooling oil flowing through the longitudinal copper pipes 30 is cooled, the copper sheets 43 penetrate through the side walls of the air channel pipes 21 and extend into the air channel pipes 21, and the copper sheets 43 and the side walls of the air channel pipes 21 are sealed by glue; the heat of the cooling oil flowing through the longitudinal copper pipe 30 is transferred to the copper sheets 43, and the plurality of copper sheets 43 increase the heat dissipation area of the longitudinal copper pipe 30 and enhance the air cooling efficiency;

all the water channel pipes 22 are communicated with each other to form a water channel, water in the water tank 24 flows through the water channel formed by the mutual communication of the water channel pipes 22 and finally returns to the water tank 24 through the suction and discharge of the water pump motor 25, the circulation is repeated, the contact surfaces of the water channel pipes 22 and the longitudinal copper pipes 30 absorb heat transmitted by the longitudinal copper pipes 30, the heat is taken away through the water flowing through the water channel pipes 22, and therefore cooling oil flowing through the longitudinal copper pipes 30 is cooled.

The above embodiment is only for explaining the technical idea of the present invention, and the protection scope of the present invention can not be limited thereby, and any changes made on the basis of the technical solution according to the technical idea of the present invention all fall into the protection scope of the present invention.

Claims

1. An intelligent cooling device of a speed-regulating coupler is characterized by comprising a coupler box body (1), a permanent magnet coupler (2), a speed-reducing box body (3), a speed-reducing box cover (4), a speed-reducing assembly, a cooling assembly and a controller (44), wherein the permanent magnet coupler (2) is arranged in the coupler box body (1), a coupler output shaft (2 a) and a coupler input shaft (2 b) of the permanent magnet coupler (2) are respectively exposed out of two ends of the coupler box body (1), the speed-reducing box body (3) is cylindrical, an inner cylinder (5) is arranged in the speed-reducing box body (3), one end of the inner cylinder (5) is fixed with the bottom end of the speed-reducing box body (3) and is divided into a speed-reducing cavity (3 a) and a cooling cavity (3 b) through the inner cylinder (5), the bottom end of the speed-reducing box body (3) is connected with one end, close to the coupler output shaft (2 a), of the coupler box body (1), an output shaft through hole is formed in the bottom end of the reduction box body (3), a coupler output shaft (2 a) penetrates through the output shaft through hole in the bottom end of the reduction box body (3) and extends into the reduction cavity (3 a), the reduction assembly is rotatably arranged in the reduction cavity (3 a) and is connected with the coupler output shaft (2 a), the cooling assembly is arranged in the cooling cavity (3 b), the reduction box cover (4) is fixedly arranged at the top end of the reduction box body (3), one end of the reduction assembly is exposed out of the reduction box cover (4), the controller (44) is arranged on the coupler box body (1), and the cooling assembly is electrically connected with the controller (44);

one end of the reduction box cover (4) far away from the reduction box body (3) along the axial direction is provided with an outward-formed shaft fixing seat (4 a), the shaft fixing seat (4 a) is a cylinder, the bottom end of the shaft fixing seat (4 a) is provided with a through hole which axially penetrates through the reduction box cover (4), the bottom end of the shaft fixing seat (4 a) is provided with a first oil seal groove (4 b), a first oil seal ring (4 c) is arranged in the first oil seal groove (4 b), a third limiting boss (4 e) is arranged at the bottom end of the shaft fixing seat (4 a) along the edge close to the side wall, a first connecting flange (4 d) is arranged at the top end of the shaft fixing seat (4 a), a fixed seat gland (16) is connected to the first connecting flange (4 d), a shaft through hole is formed in the fixed seat gland (16) along the axis, and a fourth limiting boss (16 a) is formed at one end, close to the shaft fixed seat (4 a), of the fixed seat gland (16) in an outward forming mode;

the cooling assembly comprises a right-angle pipe joint (17), a first three-way joint (18), a porous oil nozzle (19), a second three-way joint (20), a plurality of air duct pipes (21), a plurality of water duct pipes (22), a circular ring fixing seat (23), a water tank (24), a water pump motor (25), an exhaust fan (27), an oil pump motor (28), a plurality of transverse copper pipes (29) and a plurality of longitudinal copper pipes (30); one end of the circular ring fixing seat (23) along the axial direction is inwards formed with an annular groove (23 a);

the right-angle pipe joint (17) and the first three-way joint (18) are fixedly arranged on the outer side wall of the inner cylinder (5), the right-angle pipe joint (17) and the first three-way joint (18) are respectively positioned at the lowest point and the highest point of the inner cylinder (5) along the vertical surface, the uniform end of the right-angle pipe joint (17) and the first three-way joint (18) penetrates through the side wall of the inner cylinder (5) and extends into the speed reduction cavity (3 a), the porous oil nozzle (19) is arranged on the inner wall of the inner cylinder (5), the inlet of the porous oil nozzle (19) is connected with one end of the first three-way joint (18) extending into the speed reduction cavity (3 a), the second three-way joint (20) is fixedly arranged on one side, close to the speed reduction box cover (4), of the outer wall of the inner cylinder (5) and is parallel to the right-angle pipe joint (17) on the horizontal plane, the air duct pipe (21) and the water duct pipe (22) are rectangular pipes with the same structure, the two ends of the air duct pipe (21) and the water duct pipe (22) along the length direction are sealed, the side walls of the air duct pipe (21) and the water duct pipe (22) are provided with an inlet and an outlet, one end of the air duct pipe (21) and one end of the water duct pipe (22) along the thickness direction are provided with an inward-formed semicircular groove (31), the semicircular groove (31) on the air duct pipe (21) and the semicircular groove (31) on the water duct pipe (22) are combined into a whole circular groove, each air duct pipe (21) is respectively and fixedly attached to the end surface of one water duct pipe (22), the semicircular grooves (31) on the air duct pipe and the water duct pipe form a whole circular groove, each group of air duct pipe (21) and water duct pipe (22) are defined as cooling pipe groups, the cooling pipe groups are uniformly arranged on the circular ring fixing seat (23) at intervals along the circumferential direction, and through holes penetrating through the annular grooves (23 a) are arranged on the circular ring fixing seat (23) corresponding to each cooling pipe group, each group of cooling pipe groups is provided with a longitudinal copper pipe (30) in a round groove formed by the semicircular grooves (31), the longitudinal copper pipe (30) is attached to the semicircular grooves (31), and one end of the longitudinal copper pipe (30) in each group of cooling pipe groups passes through a through hole in the circular ring fixing seat (23);

defining a vertical plane coincident with the axis of the circular ring fixing seat (23) as a reference plane, wherein the positions, corresponding to the two sides of the reference plane, on the circular ring fixing seat (23) are the left side of the circular ring fixing seat (23) and the right side of the circular ring fixing seat (23) respectively; the outlet ends of the two sides of the second three-way joint (20) are respectively connected with one ends of two transverse copper pipes (29), and the free ends of the two transverse copper pipes (29) are respectively positioned on the left side of the circular fixing seat (23) and the right side of the circular fixing seat (23); the transverse copper pipe (29) connected with the outlet end of the second three-way joint (20) on each side is connected with one end of one longitudinal copper pipe (30) which is arranged on the same side and is closest to the outlet end of the second three-way joint, the transverse copper pipes (29) are arranged in the cooling pipe groups on the same side of the circular ring fixing seat (23), the ports of the same sides of the two longitudinal copper pipes (30) in the two adjacent groups of cooling pipe groups are connected through the transverse copper pipes (29), and the transverse copper pipes (29) arranged at one ends of the longitudinal copper pipes (30) penetrating through the through holes in the circular ring fixing seat (23) are embedded into the annular groove (23 a); two interface ends of the first three-way joint (18) are respectively provided with a longitudinal copper pipe (30), and free ends of the two longitudinal copper pipes (30) are respectively connected with the two longitudinal copper pipes (30) which are arranged on the left side and the right side of the circular fixing seat (23) and are closest to the first three-way joint (18) through transverse copper pipes (29);

in the multiple groups of cooling pipe groups, the inlet of a duct pipe (21) in one group of cooling pipe group is connected with the outlet of a duct pipe (21) in an adjacent group of cooling pipe group through an air pipe (32) in an air path, the inlet of the duct pipe (21) in one group of cooling pipe group is not provided with the air pipe (32), the duct pipe (21) is communicated with the outside air through the inlet, the outlet of the duct pipe (21) in one group of cooling pipe group adjacent to the group of cooling pipe group is connected with the air inlet of an exhaust fan (27) through the side wall of the reduction box body (3) by the air pipe (32), and the exhaust fan (27) is fixedly arranged on the coupler box body (1); in the multiple groups of cooling pipe groups, the inlet of a water pipeline pipe (22) in one group of cooling pipe group is connected with the outlet of a water pipeline pipe (22) in an adjacent group of cooling pipe group through a water pipe (35), the inlet of the water pipeline pipe (22) of one group of cooling pipe group is connected with the water outlet of a water pump motor (25) through the side wall of a reduction box body (3) by the water pipe (35), the outlet of the water pipeline pipe (22) of one group of cooling pipe group adjacent to the group of cooling pipe group is connected with the water inlet of a water tank (24) by the side wall of the reduction box body (3) through the water pipe (35), the water outlet of the water tank (24) is connected with the water inlet of the water pump motor (25) through a metal hose (36), and the water tank (24) and the water pump motor (25) are both fixedly arranged on the coupler box body (1);

the oil pump motor (28) is fixedly arranged on the coupler box body (1), an inlet of the oil pump motor (28) penetrates through the side wall of the reduction box body (3) through a first oil pipe (33) to be connected with the right-angle pipe joint (17), and an outlet of the oil pump motor (28) is connected with an inlet end of a second three-way joint (20) through a second oil pipe (34);

the controller (44) is electrically connected with the exhaust fan (27), the oil pump motor (28) and the water pump motor (25), and the controller (44) is connected with an external power supply through wires.

2. The intelligent cooling device of the speed-regulating coupler according to claim 1, characterized in that: the speed reduction assembly comprises a transmission output shaft (6), a sun gear (7), three planetary gears (8), six first needle bearings (9), three first locking bolts (10), a triangular rotating disc (11), a second locking bolt (12), an internal gear ring (13), a gear ring fixing seat (14) and two second needle bearings (15); a second limiting boss (6 a) which is formed outwards is arranged at the middle section of the transmission output shaft (6) along the axial direction; the two ends of each planetary gear (8) in the axial direction are symmetrically provided with first bearing installation grooves (8 a) which are formed inwards, gear rotating shafts (11 a) are arranged at three top corners of the triangular rotating disc (11), one end, close to the triangular rotating disc (11), of each gear rotating shaft (11 a) is provided with a first limiting boss (11 b), a circular installation boss (11 c) which is formed outwards is arranged at the geometric center of the triangular rotating disc (11), and an installation hole (11 d) is formed in the axial direction of the circular installation boss (11 c); the gear ring fixing seat (14) is a round pipe, and a fixing plate (14 a) is arranged at one axial end of the gear ring fixing seat (14).

3. The intelligent cooling device of the speed-regulating coupler according to claim 2, characterized in that: the sun gear (7) is fixedly arranged on the coupler output shaft (2 a), every two of the six first needle roller bearings (9) are divided into three groups, the three groups of first needle roller bearings (9) are respectively arranged on the three planet gears (8), and each group of two first needle roller bearings (9) are respectively arranged in first bearing mounting grooves (8 a) at two ends of the planet gears (8) along the axial direction; the three planetary gears (8) are respectively rotatably arranged on the three gear rotating shafts (11 a), a first needle bearing (9) on each planetary gear (8) is in sliding fit with the gear rotating shafts (11 a), a gap is formed between the shaft hole of each planetary gear (8) and the corresponding gear rotating shaft (11 a), the inner ring of the first needle bearing (9) on each planetary gear (8) close to the first limiting boss (11 b) is abutted against the first limiting boss (11 b), the three first locking bolts (10) are respectively arranged on the three gear rotating shafts (11 a), each first locking bolt (10) is abutted against the inner ring of the first needle bearing (9) on the corresponding planetary gear (8) far away from the first limiting boss (11 b), and the two second needle bearings (15) are sleeved on the transmission output shaft (6), the two second needle roller bearings (15) are respectively positioned at two sides of the second limiting boss (6 a), the internal gear ring (13) is fixedly arranged in the gear ring fixing seat (14), and the fixing plate (14 a) is fixedly connected with the bottom end of the reduction box body (3); one end of the transmission output shaft (6) penetrates through a through hole at the bottom end of the shaft fixing seat (4 a) and extends into the reduction box body (3), the transmission output shaft (6) penetrates through the first oil seal ring (4 c) and is in interference fit with the first oil seal ring (4 c), the two second needle roller bearings (15) are embedded into the shaft fixing seat (4 a), the outer ring of the second needle roller bearing (15) close to the bottom end of the shaft fixing seat (4 a) is abutted against the third limiting boss (4 e), the other end of the transmission output shaft (6) penetrates through a shaft through hole of the fixing seat gland (16) and is exposed out of the shaft fixing seat (4 a), and the outer ring of the second needle roller bearing (15) close to the fixing seat gland (16) is abutted against the fourth limiting boss (16 a); one end that transmission output shaft (6) stretched into reduction box (3) is equipped with and connects boss (6 b), connect boss (6 b) and pass mounting hole (11 d), and transmission output shaft (6) offsets with first spacing boss (11 b), second locking bolt (12) set up in the one end that connects boss (6 b) to penetrate mounting hole (11 d), and second locking bolt (12) offset with triangle rolling disc (11), and three planetary gear (8) all cooperate with sun gear (7), internal tooth ring gear (13) meshing simultaneously.

4. The intelligent cooling device of the speed-regulating coupler according to claim 3, wherein: a third oil seal groove (16 b) is formed in one end, close to the second needle bearing (15), of the fixing seat gland (16) in the axial direction, a third oil seal ring (16 c) is arranged in the third oil seal groove (16 b), the third oil seal ring (16 c) is in interference fit with the third oil seal groove (16 b), and the third oil seal ring (16 c) is sleeved on the transmission output shaft (6).

5. The intelligent cooling device of the speed-regulating coupler according to claim 1, characterized in that: the bottom of reduction box (3) is kept away from the inside shaping of one end of coupler box (1) along the axial and is equipped with second oil seal groove (3 c), and the axis of second oil seal groove (3 c) and the axis coincidence of the output shaft via hole of reduction box (3) bottom, be equipped with second oil seal circle (3 d) in second oil seal groove (3 c), and on coupler output shaft (2 a) was located in second oil seal circle (3 d) cover, the top of second oil seal groove (3 c) was equipped with second oil seal gland (3 e), and second oil seal gland (3 e) offset with second oil seal circle (3 d).

6. The intelligent cooling device of the speed-regulating coupler according to claim 1, characterized in that: all inwards form and be equipped with leak protection groove (37) on the inner wall on reduction box (3) top and the outer wall on inner tube (5) top, reduction box lid (4) are equipped with along the axial one end that is close to reduction box (3) with leak protection boss (41) of leak protection groove (37) sliding fit on the inner wall on reduction box (3) top and the outer wall on inner tube (5) top, and leak protection groove (37) bottom is equipped with seal ring (42).

7. The intelligent cooling device of the speed-regulating coupler according to claim 1, characterized in that: one end of the reduction box cover (4) close to the reduction box body (3) along the axial direction is provided with a fourth oil seal groove (38) along the axial line in an inward forming mode, a fourth oil seal ring (39) is arranged in the fourth oil seal groove (38), the fourth oil seal ring (39) is sleeved on the transmission output shaft (6), a fourth oil seal gland (40) is arranged at the top of the fourth oil seal groove (38), and the fourth oil seal gland (40) is abutted to the fourth oil seal ring (39).

8. The intelligent cooling device of the speed-regulating coupler according to claim 1, characterized in that: a plurality of copper sheets (43) are arranged on the side wall of the longitudinal copper pipe (30) and at positions corresponding to the air duct pipe (21) along the circumferential direction, the copper sheets (43) penetrate through the side wall of the air duct pipe (21) and extend into the air duct pipe (21), and the copper sheets (43) and the side wall of the air duct pipe (21) are sealed through glue.

9. The intelligent cooling device of the speed-regulating coupler according to claim 1, characterized in that: a plurality of ventilation grooves are formed in the side wall of the reduction box body (3) along the circumferential direction; and cooling oil is arranged in the speed reducing cavity (3 a).

10. The intelligent cooling device of the speed-regulating coupler according to claim 1, characterized in that: an oil filling opening (26) is formed in the reduction box cover (4).