CN112787480A - Vertical water-cooling double-cylinder permanent magnet speed regulator - Google Patents
Vertical water-cooling double-cylinder permanent magnet speed regulator Download PDFInfo
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- CN112787480A CN112787480A CN202011631137.9A CN202011631137A CN112787480A CN 112787480 A CN112787480 A CN 112787480A CN 202011631137 A CN202011631137 A CN 202011631137A CN 112787480 A CN112787480 A CN 112787480A
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- permanent magnet
- water
- rotor assembly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses a vertical water-cooling double-cylinder type permanent magnet speed regulator, which relates to the technical field of permanent magnet speed regulators, and adopts the technical scheme that the vertical water-cooling double-cylinder type permanent magnet speed regulator comprises a cooling cylinder, a permanent magnet rotor assembly and a conductor rotor assembly, wherein the cooling cylinder is vertically arranged, the interior of the cooling cylinder is hollow, the permanent magnet rotor assembly and the conductor rotor assembly are arranged in the cooling cylinder, the permanent magnet rotor assembly is fixedly connected with a load shaft, and the conductor rotor assembly is; the adjusting mechanism is used for adjusting the axial movement of the permanent magnet rotor assembly along the load shaft; a cooling unit for cooling the permanent magnet rotor assembly and the conductor rotor assembly is also included. The invention has the beneficial effects that: the inner conductor ring cylinder and the outer conductor ring cylinder of the conductor rotor are cooled by cooling water, so that the heat dissipation effect is good, and the conductor rotor is suitable for large-power equipment.
Description
Technical Field
The invention relates to the technical field of permanent magnet speed regulators, in particular to a vertical water-cooling double-cylinder type permanent magnet speed regulator.
Background
High-power drive tape carrier constructs connects drive arrangement and load equipment through mechanical device, adopts traditional mechanical type cooperation to carry out the transmission, can produce some indelible problems, such as mechanical fatigue, friction loss, vibration noise etc. must guarantee accurate installation accuracy, just can guarantee mechanical motion's stability, but after having used for a long time, can lead to equipment to damage because of mechanical vibration or wearing and tearing.
The speed change device of the driving belt-carrying mechanism is a device for changing the transmission ratio or the rotating speed of an output shaft and an input shaft, adopts a traditional speed regulation mode, is complex to maintain and high in cost, and influences the use and sustainability of equipment.
The high-power driving belt-carrying mechanism has large transmission torque and high requirement on a transmission device. Traditional air-cooled permanent magnet speed regulator, equipment operation generate heat and pass through the air cooling, and the radiating efficiency is low on the one side, and the high temperature can cause equipment to damage, can't satisfy high-power drive tape carrier and construct.
Disclosure of Invention
Aiming at the technical problem, the invention provides a vertical water-cooling double-cylinder type permanent magnet speed regulator.
The technical scheme includes that the cooling device comprises a cooling cylinder which is vertically arranged, a permanent magnet rotor assembly and a conductor rotor assembly which are arranged in the cooling cylinder, wherein the permanent magnet rotor assembly is fixedly connected with a load shaft, and the conductor rotor assembly is fixedly connected with an input shaft;
the adjusting mechanism is used for adjusting the permanent magnet rotor assembly to move axially along the load shaft;
a cooling unit for cooling the permanent magnet rotor assembly and the conductor rotor assembly is also included.
Preferably, the conductor rotor assembly comprises a driving disc fixedly connected with the input shaft, an inner conductor ring and an outer conductor ring are respectively arranged on the periphery of a disc body of the driving disc, the inner conductor ring and the outer conductor ring are coaxially arranged, and a cooling unit is arranged on the disc body of the driving disc;
the permanent magnet rotor assembly comprises a driven disc fixedly connected with the load shaft, a magnetic ring is arranged on a disc body of the driven disc and is positioned between the outer conductor ring and the inner conductor ring, the inner diameter of the magnetic ring is larger than the outer diameter of the inner conductor ring, and the outer diameter of the magnetic ring is smaller than the inner diameter of the outer conductor ring;
a plurality of blind holes are circumferentially arrayed on a ring body of the magnetic ring, and a permanent magnet is arranged in each blind hole.
Preferably, an inner cooling hole group and an outer cooling hole group penetrating through the disk body of the driving disk are arranged on the disk body of the driving disk, the inner diameter of the inner cooling hole group is smaller than the inner diameter of the inner conductor ring, the outer cooling hole group comprises a plurality of through holes which are circumferentially arranged, and the outer cooling hole is communicated with a gap between the outer conductor ring and the inner conductor ring;
the driving disc is fixedly arranged on the driving disc, two annular vertical plates are arranged in parallel, one vertical plate is arranged between the inner cooling hole group and the outer cooling hole group, the other vertical plate is arranged on the outer side of the outer cooling hole group, a water guide groove is formed between the two vertical plates, and the water guide groove is communicated with the outer cooling hole group;
and a plurality of drain holes are formed in the disc body of the driven disc in an array mode, and the drain holes correspond to the projections of the inner cooling hole groups in the horizontal direction.
Preferably, an annular waterproof plate is fixedly arranged above the driving disc, the waterproof plate is positioned on the inner side of the vertical plate, the waterproof plate is arranged in parallel with the vertical plate, a water receiving groove is formed between the waterproof plate and the vertical plate on the inner side, and the water receiving groove is communicated with the inner cooling hole group;
the water inlet branch pipe is communicated with the water inlet pipe, and water outlets of the water inlet branch pipe are respectively arranged towards the water guide groove and the water receiving groove.
Preferably, the adjusting mechanism comprises a transition disc fixedly connected with the load shaft, a plurality of guide posts are arranged on the transition disc in an array manner towards one side of the load shaft, a plurality of guide holes are arranged on a disc body of the driven disc in an array manner, the guide holes correspond to the guide posts, and the driving disc axially slides on the guide posts;
the sliding sleeve is sleeved outside the load shaft and is connected with the load shaft in a sliding manner, an adjusting bearing is fixedly arranged at the lower end of the sliding sleeve, the inner ring of the adjusting bearing is fixedly connected with the outer wall of the sliding sleeve, a bearing gland is fixedly arranged on the outer ring of the adjusting bearing, two pull rods are oppositely arranged on the side wall of the bearing gland, one end of each pull rod is hinged with the bearing gland, and the other end of each pull rod is rotatably connected with a rocker arm;
the cooling cylinder is characterized by further comprising two adjusting shafts fixedly connected with the rocker arms, the adjusting shafts are rotatably connected with the lower end of the cooling cylinder through bearing seats, and one end of each adjusting shaft is fixedly connected with an execution unit.
Preferably, the execution unit is an electric actuator, an output shaft of the electric actuator is fixedly connected with the adjusting shaft, and a shell of the electric actuator is fixedly connected with the load supporting cylinder;
the electric actuator is characterized by further comprising a crank arranged on the electric actuator, and the crank is coaxially and fixedly connected with the input end of the electric actuator.
Preferably, the lower end of the cooling cylinder is provided with a supporting plate, the middle part of the supporting plate is provided with a through hole, a load bearing sleeve is fixedly arranged in the through hole, two load bearings are sleeved in the load bearing sleeve, the outer rings of the two load bearings are fixedly connected with the inner wall of the load bearing sleeve, and the inner ring of the load bearing is sleeved on the outer side of the load shaft and is fixedly connected with the load shaft.
Preferably, a fixed plate is fixedly arranged at the upper end of the cooling cylinder, a through hole penetrating through the fixed plate is formed in the middle of the fixed plate, a driving bearing sleeve is fixedly arranged in the through hole, two driving bearings are sleeved in the driving bearing sleeve, outer rings of the two driving bearings are fixedly connected with the inner wall of the driving bearing sleeve, and inner rings of the driving bearings are sleeved on the outer side of the input shaft and are fixedly connected with the input shaft;
still establish including the array a plurality of observation windows on the cooling cylinder lateral wall, can dismantle the connection observation window apron on the observation window.
Preferably, the lower part of the cooling cylinder is provided with a water-stop sheet, the water-stop sheet is positioned between the adjusting bearing and the driven plate, the middle part of the water-stop sheet is provided with a through hole, and the through hole is internally sleeved with a sliding sleeve.
Preferably, the lower end of the driven disc is provided with a first water baffle, and one end of the first water baffle slides outside the water baffle and is partially overlapped with the water baffle;
and a water retaining cover plate is arranged at the upper end of the driven plate and sleeved on the outer side of the top end of the load shaft.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the inner and outer conductor ring cylinders of the conductor rotor are cooled by cooling water, so that the heat dissipation effect is good, and the conductor rotor is suitable for larger power equipment; the permanent magnet in the permanent magnet rotor is arranged between the inner conductor ring cylinder and the outer conductor ring cylinder of the conductor rotor, N, S pole magnetic lines of the permanent magnet are fully utilized, and the utilization rate of a magnetic field is greatly improved; the driving device is not in mechanical contact with the load device, so that the vibration is prevented from being transmitted to the driving device, and the driving device is protected; simple structure is effective, and installation and debugging are maintained conveniently.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a sectional view of the overall structure of an embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is a schematic diagram of an internal structure according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a conductor rotor assembly and a cooling unit according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a permanent magnet rotor assembly and an adjustment mechanism according to an embodiment of the present invention.
Fig. 7 is a cross-sectional view of a permanent magnet rotor assembly and adjustment mechanism of an embodiment of the present invention.
Wherein the reference numerals are: 1. a cooling cylinder; 1-1, a water inlet pipe; 1-2, a water outlet pipe; 1-3, water inlet branch pipes; 1-4, fixing plates; 1-5, driving shaft bearing sleeve; 1-6, an observation window cover plate; 1-7, a water-stop sheet; 2. an input support cylinder; 2-1, an input shaft; 3. a load support cylinder; 3-1, a load shaft; 3-2, a support plate; 3-3, loading a bearing sleeve; 4. a permanent magnet rotor assembly; 4-1, a driven disc; 4-2, a magnetic ring; 4-3, a first water baffle; 4-4, a water retaining cover plate; 5. a conductor rotor assembly; 5-1, a driving disc; 5-2, an inner conductor ring; 5-3, an outer conductor ring; 5-4, waterproof board; 6. an adjustment mechanism; 6-1, transition disc; 6-2, a guide post; 6-3, a sliding sleeve; 6-4, adjusting a bearing; 6-5, a pull rod; 6-6, rocker arm; 6-7, an adjusting shaft; 6-8, an execution unit; 6-9, a crank; 7. a cooling unit; 7-1, cooling the hole group in the inner cooling hole; 7-2, outer cooling hole groups; 7-6 and a vertical plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Referring to fig. 1 to 7, the invention provides a vertical water-cooling double-cylinder type permanent magnet speed regulator, which comprises a cooling cylinder 1 which is vertically arranged, wherein the cooling cylinder 1 is hollow, the upper end of the cooling cylinder 1 is fixedly connected with an input support cylinder 2, the lower end of the cooling cylinder 1 is provided with a load support cylinder 3, the vertical water-cooling double-cylinder type permanent magnet speed regulator also comprises a permanent magnet rotor assembly 4 and a conductor rotor assembly 5 which are arranged in the cooling cylinder 1, the permanent magnet rotor assembly 4 is fixedly connected with a load shaft 3-1, and the load shaft 3-1 is rotatably connected with the lower end of the cooling cylinder 1; the conductor rotor assembly 5 is fixedly connected with the input shaft 2-1, and the input shaft 2-1 is rotatably connected with the upper end of the supporting cylinder;
the adjusting mechanism 6 is used for adjusting the axial movement of the permanent magnet rotor assembly 4 along the load shaft 3-1;
a cooling unit 7 for cooling the permanent magnet rotor assembly 4 and the conductor rotor assembly 5;
the cooling device also comprises a water inlet pipe 1-1 arranged at the upper end of the cooling cylinder 1 and a water outlet pipe 1-2 arranged at the lower end of the cooling cylinder 1, wherein the water inlet pipe 1-1 and the water outlet pipe 1-2 are respectively communicated with the inside of the cooling cylinder 1. The water inlet pipe 1-1 is connected with a water source through a pipeline, the water outlet pipe 1-2 is communicated with the outside through a pipeline, cooling water enters the cooling cylinder through the water inlet pipe 1-1 to cool the permanent magnet rotor component 4 and the conductor rotor 5, and the cooled water is discharged from the cooling cylinder through the water outlet pipe 1-2, so that the cooling effect is good, and the permanent magnet speed regulator is suitable for high-power permanent magnet speed regulators.
The conductor rotor assembly 5 comprises a driving disc 5-1 fixedly connected with the input shaft 2-1, an inner conductor ring 5-2 and an outer conductor ring 5-3 are respectively arranged on the periphery side of the disc body of the driving disc 5-1, the inner conductor ring 5-2 and the outer conductor ring 5-3 are coaxially arranged, and a cooling unit 7 is arranged on the disc body of the driving disc 5-1; the inner conductor ring 5-2 and the outer conductor ring 5-3 are good conductors.
The permanent magnet rotor assembly 4 comprises a driven disc 4-1 fixedly connected with the load shaft 3-1, a magnetic ring 4-2 is arranged on a disc body of the driven disc 4-1, the magnetic ring 4-2 is positioned between the outer conductor ring 5-3 and the inner conductor ring 5-2, the inner diameter of the magnetic ring 4-2 is larger than the outer diameter of the inner conductor ring 5-2, and the outer diameter of the magnetic ring 4-2 is smaller than the inner diameter of the outer conductor ring 5-3; a plurality of blind holes are circumferentially arrayed on a ring body of the magnetic ring 4-2, and a permanent magnet is arranged in each blind hole.
The magnetic ring 4-2 generates a magnetic field between the inner conductor ring 5-2 and the outer conductor ring 5-3.
The array sets up a plurality of mounting holes on the body of magnetic ring 4-2, install the permanent magnet in the mounting hole, it rotates to drive conductor rotor subassembly 5 through input shaft 2-1, permanent magnet rotor subassembly 4 is static, thereby conductor rotor subassembly 5 and permanent magnet rotor subassembly 4 produce relative motion, the conductor ring in the conductor rotor subassembly 5 cuts the magnetic line of force, produce eddy current in the conductor ring body, eddy current and then produce the magnetic field of reaction, the magnetic field interact that magnetic field and permanent magnet rotor subassembly 4 produced of reaction, thereby drive permanent magnet rotor subassembly 4 and rotate, realize the moment of torsion transmission between conductor rotor subassembly 5 and the permanent magnet rotor subassembly 4.
An inner cooling hole group 7-1 and an outer cooling hole group 7-2 penetrating through the disc body of the driving disc 5-1 are arranged on the disc body of the driving disc 5-1, the inner diameter of the inner cooling hole group 7-1 is smaller than that of the inner conductor ring 5-2, the outer cooling hole group comprises a plurality of through holes which are circumferentially arranged, and the outer cooling holes are communicated with a gap between the outer conductor ring 5-3 and the inner conductor ring 5-2;
the driving plate is fixedly arranged on the driving plate 5-1, two annular vertical plates 7-6 are arranged in parallel, one vertical plate 7-6 is arranged between the inner cooling hole group 7-1 and the outer cooling hole group 7-2, the other vertical plate is arranged on the outer side of the outer cooling hole group 7-2, a water guide groove is formed between the two vertical plates 7-6, and the water guide groove is communicated with the outer cooling hole group 7-2;
an annular waterproof plate 5-4 is fixedly arranged above the driving disc 5-1, the waterproof plate 5-4 is positioned on the inner side of the vertical plate 7-6, the waterproof plate 5-4 is arranged in parallel with the vertical plate 7-6, a water receiving groove is formed between the waterproof plate 5-4 and the vertical plate 7-6 on the inner side, and the water receiving groove is communicated with the inner cooling hole group 7-1;
the water inlet branch pipe is characterized by also comprising two water inlet branch pipes 1-3 communicated with the water inlet pipe 1-1, wherein the water outlets of the water inlet branch pipes 1-3 are respectively arranged towards the water guide groove and the water receiving groove; the water flowing into the cooling cylinder 1 from the water inlet pipe is divided by the two water inlet branch pipes 1-3, the divided water cools the inner conductor ring 5-2, the outer conductor ring 5-3 and the magnetic ring 4-2 respectively, and when the driving disc 5-1 rotates, the waterproof plate 5-4 and the vertical plate 7-6 can enable the water flowing out from the water inlet branch pipes 1-3 to flow to the inner conductor ring 5-2, the outer conductor ring 5-3 and the magnetic ring 4-2 through the water guide groove and the water receiving groove all the time, so that the cooling effect is good, and the rotation of the driving disc and the driven disc is not influenced.
The vertical plates 7-6 can control the direction of cooling water, so that the cooling water flows to the water guide groove and the water receiving groove respectively.
A plurality of drain holes are arrayed on the disc body of the driven disc 4-1 and correspond to the horizontal projection of the inner cooling hole group 7-1.
The adjusting mechanism 6 comprises a transition disc 6-1 fixedly connected with the load shaft 3-1, a plurality of guide posts 6-2 are arranged on the transition disc 6-1 towards one side of the load shaft 3-1 in an array mode, a plurality of guide holes are arranged on a disc body of the driven disc 4-1 in an array mode, the guide holes correspond to the guide posts 6-2, and the driving disc 5-1 axially slides on the guide posts 6-2; a flange is arranged at the lower end of the guide post 6-2, the length of the guide post 6-2 is slightly smaller than the width of the magnetic ring 4-2, and the adjusting range of the driven disc 4-1 is limited through the guide post 6-2;
the device also comprises a sliding sleeve 6-3 fixedly arranged with a driven disc 4-1, the sliding sleeve 6-3 is sleeved outside the load shaft 3-1, the sliding sleeve 6-3 is connected with the load shaft 3-1 in a sliding way, the sliding sleeve 6-3 is driven to rotate by the rotation of the driven disc 4-1, the sliding sleeve 6-3 drives the load shaft 3-1 to rotate, the lower end of the sliding sleeve 6-3 is fixedly provided with an adjusting bearing 6-4, the inner ring of the adjusting bearing 6-4 is fixedly connected with the outer wall of the sliding sleeve 6-3, the outer ring of the adjusting bearing 6-4 is fixedly provided with a bearing gland, the adjusting bearing 6-4 can enable the sliding sleeve to move up and down while rotating, the side wall of the bearing gland is oppositely provided with two pull rods 6-5, one end of each pull rod 6-5 is respectively hinged with the bearing gland, the other ends are respectively connected with a rocker arm 6-6 in a rotating way;
the cooling device also comprises an adjusting shaft 6-7 fixedly connected with the two rocker arms 6-6, the adjusting shaft 6-7 is rotatably connected with the lower end of the cooling cylinder 1 through a bearing seat, and one end of the adjusting shaft 6-7 is fixedly connected with an execution unit 6-8. The adjusting shaft 6-7 is controlled to rotate by the executing unit 6-8, the adjusting shaft-7 pulls the pull rod 6-5 to move up and down through the rocker arm 6-6, and the pull rod pulls the adjusting bearing to move up and down.
The execution unit 6-8 is an electric actuator, an output shaft of the electric actuator is fixedly connected with the adjusting shaft 6-7, and a shell of the electric actuator is fixedly connected with the load supporting cylinder 3; the electric actuator is preferably an electric actuator with the model of Auotk IKTM 1000;
the electric actuator is characterized by further comprising a crank 6-9 arranged on the electric actuator, and the crank 6-9 is coaxially and fixedly connected with the input end of the electric actuator. The crank 6-9 can manually control the electric actuator, manual intervention can be performed according to actual conditions, the manual crank 6-9 controls the rotating angle of the adjusting shaft 6-7, so that the position of the sliding sleeve 6-3 is controlled, the distance between the conductor rotor assembly 5 and the permanent magnet rotor assembly 4 is adjusted, and the rotating speed of the permanent magnet rotor is adjusted.
The lower end of the cooling cylinder 1 is provided with a supporting plate 3-2, the middle part of the supporting plate 3-2 is provided with a through hole, a load bearing sleeve 3-3 is fixedly arranged in the through hole, two load bearings are sleeved in the load bearing sleeve 3-3, the outer rings of the two load bearings are fixedly connected with the inner wall of the load bearing sleeve 3-3, and the inner ring of the load bearing is sleeved on the outer side of the load shaft 3-1 and is fixedly connected with the load shaft 3-1.
The upper end of the cooling cylinder 1 is fixedly provided with a fixing plate 1-4, the middle part of the fixing plate 1-4 is provided with a through hole, a driving bearing sleeve 1-5 is fixedly arranged in the through hole, two driving bearings are sleeved in the driving bearing sleeve 1-5, the outer rings of the two driving bearings are fixedly connected with the inner wall of the driving bearing sleeve 1-5, and the inner ring of each driving bearing is sleeved on the outer side of the input shaft 2-1 and is fixedly connected with the input shaft 2-1;
the cooling device also comprises a plurality of observation windows which are arranged on the side wall of the cooling cylinder 1 in an array mode, and observation window cover plates 1-6 are detachably connected to the observation windows. The observation window can be convenient for observe the inside of cooling cylinder 1, can be convenient for simultaneously carry out operations such as maintenance in the cooling cylinder 1.
The lower part of the cooling cylinder 1 is provided with water stop plates 1-7, the water stop plates 1-7 are positioned between the adjusting bearing 6-4 and the driven disc 4-1, the middle parts of the water stop plates 1-7 are provided with through holes, and sliding sleeves 6-3 are sleeved in the through holes. A water seal is arranged between the water stop plates 1-7 and the sliding sleeve 6-3, the water stop plates 1-7 are step-shaped plate bodies, the middle parts of the water stop plates 1-7 are positioned above the adjusting bearing 6-4, and the peripheries of the water stop plates 1-7 are lower than the central position, so that water in the cooling cylinder 1 can flow to the lower part and finally flows out of the cooling cylinder through the water outlet pipe 1-2.
The lower end of the driven disc 4-1 is provided with a first water baffle 4-3, one end of the first water baffle 4-3 slides on the outer side of the water baffle 1-7 and is partially overlapped with the water baffle 1-7;
a water retaining cover plate 4-4 is arranged at the upper end of the driven disc 4-1, and the water retaining cover plate 4-4 is sleeved on the outer side of the top end of the load shaft 3-1.
The adjusting mechanism 6 is blocked by the first water baffle 4-3 and the water blocking cover plate 4-4, so that the phenomenon that cooling water enters the adjusting mechanism 6 to cause parts in the adjusting mechanism 6 to be rusted to influence the adjusting effect is avoided.
When the permanent magnet rotor assembly is used, the input shaft 2-1 is fixedly connected with an output shaft of a motor, the input support cylinder 2 is used for supporting the motor, the load shaft 3-1 is fixedly connected with a main shaft of load equipment, the motor is started, the motor is driven to rotate through the input shaft 2-1, so that the conductor rotor assembly 5 is driven to rotate, the permanent magnet rotor assembly 4 is static, the conductor rotor assembly 5 and the permanent magnet rotor assembly 4 generate relative motion, a conductor ring in the conductor rotor assembly 5 cuts magnetic lines, eddy current is generated in the conductor ring, the eddy current further generates a counter-induction magnetic field, and the counter-induction magnetic field interacts with a magnetic field generated by the permanent magnet rotor assembly 4, so that the permanent magnet rotor assembly 4 is driven to rotate, and torque transmission between the conductor rotor assembly 5 and the permanent magnet rotor.
When speed is required to be adjusted, the rotating angle of the adjusting shaft 6-7 is controlled through the execution unit 6-8, the sliding sleeve 6-3 is pulled to move up and down, so that the driven disc 4-1 is driven to move up and down along the guide post 6-2, and the coupling area between the magnetic ring 4-2 and the inner conductor ring 5-2 and between the magnetic ring 4-2 and the outer conductor ring 5-3 is adjusted, so that the torque transmitted between the conductor rotor assembly 5 and the permanent magnet rotor assembly 4 is changed, and the speed adjusting effect is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The vertical water-cooling double-cylinder type permanent magnet speed regulator is characterized by comprising a cooling cylinder (1) which is vertically arranged, a permanent magnet rotor assembly (4) and a conductor rotor assembly (5) which are arranged in the cooling cylinder (1), wherein the permanent magnet rotor assembly (4) is fixedly connected with a load shaft (3-1), and the conductor rotor assembly (5) is fixedly connected with an input shaft (2-1);
the permanent magnet rotor assembly (4) is axially moved along the load shaft (3-1) through an adjusting mechanism (6);
and a cooling unit (7) for cooling the permanent magnet rotor assembly (4) and the conductor rotor assembly (5).
2. The vertical water-cooling double-cylinder type permanent magnet speed regulator according to claim 1, wherein the conductor rotor assembly (5) comprises a driving disc (5-1) fixedly connected with the input shaft (2-1), an inner conductor ring (5-2) and an outer conductor ring (5-3) are respectively arranged on the periphery side of the disc body of the driving disc (5-1), the inner conductor ring (5-2) and the outer conductor ring (5-3) are coaxially arranged, and a cooling unit (7) is arranged on the disc body of the driving disc (5-1);
the permanent magnet rotor assembly (4) comprises a driven disc (4-1) fixedly connected with the load shaft (3-1), a magnetic ring (4-2) is arranged on a disc body of the driven disc (4-1), the magnetic ring (4-2) is located between the outer conductor ring (5-3) and the inner conductor ring (5-2), the inner diameter of the magnetic ring (4-2) is larger than the outer diameter of the inner conductor ring (5-2), and the outer diameter of the magnetic ring (4-2) is smaller than the inner diameter of the outer conductor ring (5-3);
a plurality of blind holes are circumferentially arrayed on a ring body of the magnetic ring (4-2), and a permanent magnet is arranged in each blind hole.
3. The vertical water-cooling double-cylinder type permanent magnet speed regulator according to claim 2, characterized in that an inner cooling hole group (7-1) and an outer cooling hole group (7-2) penetrating through the disk body of the driving disk (5-1) are arranged on the disk body of the driving disk (5-1), the inner cooling hole group (7-1) has an inner diameter smaller than that of the inner conductor ring (5-2), the outer cooling hole group comprises a plurality of circumferentially arranged through holes, and the outer cooling hole is communicated with a gap between the outer conductor ring (5-3) and the inner conductor ring (5-2);
the driving disc is fixedly arranged on the driving disc (5-1), two annular vertical plates (7-6) are arranged in parallel, one vertical plate (7-6) is arranged between the inner cooling hole group (7-1) and the outer cooling hole group (7-2), the other vertical plate is arranged on the outer side of the outer cooling hole group (7-2), a water guide groove is formed between the two vertical plates (7-6), and the water guide groove is communicated with the outer cooling hole group (7-2);
a plurality of drain holes are formed in the disc body of the driven disc (4-1) in an array mode, and the drain holes correspond to the projections of the inner cooling hole groups (7-1) in the horizontal direction.
4. The vertical water-cooling double-cylinder type permanent magnet speed regulator according to claim 3, wherein an annular waterproof plate (5-4) is fixedly arranged above the driving disc (5-1), the waterproof plate (5-4) is positioned on the inner side of the vertical plate (7-6), the waterproof plate (5-4) and the vertical plate (7-6) are arranged in parallel, a water receiving groove is formed between the waterproof plate (5-4) and the vertical plate (7-6) on the inner side, and the water receiving groove is communicated with the inner cooling hole group (7-1);
the water inlet device is characterized by further comprising two water inlet branch pipes (1-3) communicated with the water inlet pipes (1-1), and water outlets of the water inlet branch pipes (1-3) are respectively arranged towards the water guide groove and the water receiving groove.
5. The vertical water-cooling double-cylinder type permanent magnet speed regulator according to claim 2, characterized in that the adjusting mechanism (6) comprises a transition disc (6-1) fixedly connected with the load shaft (3-1), the transition disc (6-1) is provided with a plurality of guide posts (6-2) in an array manner towards one side of the load shaft (3-1), a disc body of the driven disc (4-1) is provided with a plurality of guide holes in an array manner, the guide holes correspond to the guide posts (6-2), and the driving disc (5-1) axially slides on the guide posts (6-2);
the device also comprises a sliding sleeve (6-3) fixedly arranged with the driven disc (4-1), the sliding sleeve (6-3) is sleeved on the outer side of the load shaft (3-1), the sliding sleeve (6-3) is connected with the load shaft (3-1) in a sliding way, the lower end of the sliding sleeve (6-3) is fixedly provided with an adjusting bearing (6-4), the inner ring of the adjusting bearing (6-4) is fixedly connected with the outer wall of the sliding sleeve (6-3), a bearing gland is fixedly arranged on the outer ring of the adjusting bearing (6-4), two pull rods (6-5) are oppositely arranged on the side wall of the bearing gland, one end of each pull rod (6-5) is hinged with the bearing gland, and the other end of each pull rod is rotatably connected with a rocker arm (6-6);
the cooling cylinder is characterized by further comprising adjusting shafts (6-7) fixedly connected with the two rocker arms (6-6), the adjusting shafts (6-7) are rotatably connected with the lower end of the cooling cylinder (1) through bearing seats, and one ends of the adjusting shafts (6-7) are fixedly connected with execution units (6-8).
6. The vertical water-cooled double-cylinder type permanent magnet speed regulator according to claim 5, wherein the execution unit (6-8) is an electric actuator, an output shaft of the electric actuator is fixedly connected with the adjusting shaft (6-7), and a shell of the electric actuator is fixedly connected with the load supporting cylinder (3);
the electric actuator is characterized by further comprising a crank (6-9) arranged on the electric actuator, wherein the crank (6-9) is coaxially and fixedly connected with the input end of the electric actuator.
7. The vertical water-cooling double-cylinder type permanent magnet speed regulator according to claim 2, wherein a support plate (3-2) is arranged at the lower end of the cooling cylinder (1), a through hole is arranged in the middle of the support plate (3-2), a load bearing sleeve (3-3) is fixedly arranged in the through hole, two load bearings are sleeved in the load bearing sleeve (3-3), the outer rings of the two load bearings are fixedly connected with the inner wall of the load bearing sleeve (3-3), and the inner rings of the load bearings are sleeved on the outer side of the load shaft (3-1) and are fixedly connected with the load shaft (3-1).
8. The vertical water-cooling double-cylinder type permanent magnet speed regulator according to claim 7, wherein a fixing plate (1-4) is fixedly arranged at the upper end of the cooling cylinder (1), a through hole is formed in the middle of the fixing plate (1-4), a driving bearing sleeve (1-5) is fixedly arranged in the through hole, two driving bearings are sleeved in the driving bearing sleeve (1-5), the outer rings of the two driving bearings are fixedly connected with the inner wall of the driving bearing sleeve (1-5), and the inner rings of the driving bearings are sleeved on the outer side of the input shaft (2-1) and are fixedly connected with the input shaft (2-1);
the cooling cylinder is characterized by further comprising a plurality of observation windows arranged on the side wall of the cooling cylinder (1) in an array mode, and observation window cover plates (1-6) are detachably connected to the observation windows.
9. The vertical water-cooling double-cylinder type permanent magnet speed regulator according to claim 8, wherein a water stop plate (1-7) is arranged at the lower part of the cooling cylinder (1), the water stop plate (1-7) is positioned between the adjusting bearing (6-4) and the driven disc (4-1), a through hole is arranged in the middle of the water stop plate (1-7), and a sliding sleeve (6-3) is sleeved in the through hole.
10. The vertical water-cooled twin-tub type permanent magnet governor according to claim 9, wherein a first water guard (4-3) is provided at a lower end of the driven disc (4-1), and one end of the first water guard (4-3) slides outside the water guard (1-7) and partially overlaps the water guard (1-7);
and a water retaining cover plate (4-4) is arranged at the upper end of the driven plate (4-1), and the water retaining cover plate (4-4) is sleeved on the outer side of the top end of the load shaft (3-1).
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| CN202011631137.9A CN112787480B (en) | 2020-12-31 | 2020-12-31 | Vertical water-cooling double-cylinder permanent magnet speed regulator |
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| CN112787480B (en) | 2023-02-03 |
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