CN220382925U - Permanent magnet speed regulation reversing reduction gearbox - Google Patents
Permanent magnet speed regulation reversing reduction gearbox Download PDFInfo
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- CN220382925U CN220382925U CN202321648409.5U CN202321648409U CN220382925U CN 220382925 U CN220382925 U CN 220382925U CN 202321648409 U CN202321648409 U CN 202321648409U CN 220382925 U CN220382925 U CN 220382925U
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- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 239000004020 conductor Substances 0.000 claims abstract description 44
- 208000032369 Primary transmission Diseases 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 8
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- 230000006698 induction Effects 0.000 description 2
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Abstract
The utility model relates to the field of reduction boxes, in particular to a permanent magnet speed regulation reversing reduction box, which comprises a box body mechanism, wherein a conductor rotor component and a permanent magnet rotor component are arranged in the box body mechanism; the permanent magnet rotor component is connected with a speed regulating mechanism; the speed regulating mechanism comprises a speed regulating shaft connected to the permanent magnet yoke disc; the speed regulating mechanism is connected with an output shaft through a gear mechanism; the gear mechanism comprises a primary transmission mechanism, wherein the primary transmission mechanism comprises a first gear arranged on a speed regulating shaft and a second gear arranged on an output shaft; the first gear is connected with the second gear; the utility model discloses a permanent magnet speed regulation reversing speed reduction box, which is equivalent to the addition of gear reduction after the traditional permanent magnet speed regulator through the arrangement of a gear mechanism, and can design a speed reduction ratio according to the actual running speed interval of a fan water pump, so that the heat productivity of the permanent magnet speed regulator and a motor is low, the energy consumption of a system is reduced, and the energy saving rate is improved.
Description
Technical Field
The utility model relates to the field of reduction boxes, in particular to a permanent magnet speed regulation reversing reduction box.
Background
The permanent magnet speed regulator is a speed regulating mechanical product which realizes non-contact torque transmission through the interaction between a permanent magnetic field generated by a magnet and an induction magnetic field generated by a conductor cutting magnetic lines and changes the size of an air gap or the coupling area through an actuating mechanism to change the load rotating speed.
The permanent magnet speed regulator is divided into a disk type and a cylinder type according to a magnet installation mode and a conductor disk structure.
For example, patent: 202110535089.1A permanent-magnet speed regulator and its assembling method.
Meanwhile, at present, the flow pressure of the fan water pump is regulated by adopting methods such as a valve, a hydraulic coupler, a frequency converter, a permanent magnet speed regulator and the like.
The valve is less in energy saving and gradually replaced by a speed regulation mode.
The energy-saving effect of the speed regulating methods such as the hydraulic coupler, the frequency converter, the permanent magnet speed regulator and the like is basically equivalent. In actual working conditions, due to design and actual productivity reasons, the margin of the fan water pump is often large, and the maximum rotating speed is not used after the speed regulation operation, and is always lower than 80% or even lower.
Because the loss of the system is not small after the speed is regulated, for example, the hydraulic coupler and the permanent magnet speed regulator can generate heat by themselves after the speed is regulated, the heat productivity is maximum when the speed ratio is 67 percent, the heat productivity is gradually reduced when the heat productivity is higher or lower than 67 percent, and the motor can generate heat and the noise is increased after the speed is regulated by the frequency converter.
Therefore, in order to solve the above problems, it is necessary to optimally design the conventional speed adjusting mechanism.
Disclosure of Invention
The utility model aims to provide a permanent magnet speed regulation reversing speed reducer which can reduce self heating value during speed regulation.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the permanent magnet speed regulation reversing speed reduction box comprises a box body mechanism, wherein the box body mechanism comprises a box body; the box body is hollow inside to form a placing cavity; a conductor rotor component and a permanent magnet rotor component are arranged in the placing cavity;
the permanent magnet rotor component is connected with a speed regulating mechanism;
the conductor rotor component comprises a conductor steel disc, and a magnetizer is arranged on the conductor steel disc;
the permanent magnet rotor component comprises a permanent magnet yoke disc, wherein permanent magnets are arranged on the permanent magnet yoke disc and are distributed relative to the magnetizers;
the speed regulating mechanism comprises a speed regulating shaft connected to the permanent magnet yoke disc;
the speed regulating mechanism is connected with an output shaft through a gear mechanism;
the gear mechanism comprises a primary transmission mechanism, wherein the primary transmission mechanism comprises a first gear arranged on a speed regulating shaft and a second gear arranged on an output shaft; the first gear is connected with the second gear.
The speed regulating shaft is provided with a speed regulating sleeve group; the speed regulation sleeve group comprises a speed regulation jacket connected with the permanent magnet yoke disc; the adjusting outer sleeve is connected with a speed adjusting inner sleeve; the speed regulating outer sleeve can axially slide on the speed regulating inner sleeve along the speed regulating inner sleeve.
The speed regulating shaft is connected with the permanent magnet yoke disc through a spline assembly; the spline assembly comprises a sliding shaft sleeve arranged on the speed regulating shaft, and an internal spline is arranged in the sliding shaft sleeve; an external spline is arranged on the outer side of the speed regulating shaft, and an internal spline in the sliding shaft sleeve is meshed with the external spline on the speed regulating shaft; the speed regulation jacket in the speed regulation jacket group is sleeved on the sliding shaft sleeve through a first bearing; the speed regulation jacket is connected with the permanent magnet yoke disc through a sliding shaft sleeve.
An annular sinking groove is formed in the outer side face of the sliding shaft sleeve, and the first bearing is arranged in the annular sinking groove; and one side of the annular sinking groove, which is far away from the permanent magnet yoke disc, is provided with an end limiting part.
A connecting wall is arranged in the placing cavity; the connecting wall is connected with a speed regulating inner sleeve in the speed regulating sleeve group; the connecting wall is provided with a through hole; the through holes and the speed regulating shaft are coaxially distributed.
The connecting wall is provided with a plurality of lateral through holes, each lateral through hole and each through hole are arranged in parallel, and each lateral through hole and each through hole are distributed in parallel at intervals.
The vertical section of the conductor steel disc is of an I type or a [ type ].
The utility model has the advantages that:
the utility model discloses a permanent magnet speed regulation reversing speed reduction box, which can realize the change of the transmission torque of the speed reduction box through the arrangement of a speed regulation mechanism; meanwhile, the speed regulating mechanism is connected with the gear mechanism, so that the reduction gearbox disclosed by the utility model is equivalent to the gear reduction after the traditional permanent magnet speed regulator, and the reduction ratio can be designed according to the actual running speed interval of the fan water pump, so that the heat productivity of the permanent magnet speed regulator and the motor is low, the energy consumption of the system is reduced, and the energy saving rate is improved.
Drawings
The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:
fig. 1 is a block diagram of a permanent magnet speed regulation reversing reduction gearbox adopting disc speed regulation.
Fig. 2 is a structural diagram of a permanent magnet speed regulation reversing speed reducer adopting cylinder speed regulation.
The labels in the above figures are:
in the figure: 1. an input shaft member; 2. a conductor rotor component; 3. a permanent magnet rotor component; 4. a speed regulating mechanism component; 5. a gear mechanism; 6. an output shaft member; 7. a housing member;
11. an input shaft; 12. an input bearing seat;
21. a conductor steel disc; 22. a magnetizer;
31. a permanent magnet; 32. a permanent magnet yoke disc;
41. a sliding sleeve; 42. a speed regulating jacket 3; 43. a speed regulating shaft; 44. a speed-regulating inner sleeve; 45. a first gear; 62. a second gear; 61. an output shaft.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings, which illustrate preferred embodiments of the utility model in further detail.
The permanent magnet speed regulation reversing speed reduction box comprises a box body mechanism 7, wherein a conductor rotor part 2 and a permanent magnet rotor part 3 are arranged in the box body mechanism; specifically, the box mechanism 7 comprises a box body 7-2; the box body 7-2 is hollow to form a placing cavity 7-1; a conductor rotor part 2 and a permanent magnet rotor part 3 are arranged in the placing cavity 7-1; the permanent magnet rotor part 3 is connected with a speed regulating mechanism 4; the speed regulating mechanism 4 is connected with an output shaft 61 through a gear mechanism 5; the utility model discloses a permanent magnet speed regulation reversing speed reduction box, which can realize the change of the transmission torque of the speed reduction box through the arrangement of a speed regulation mechanism 4; the utility model is convenient to use in the actual use process; meanwhile, the speed regulating mechanism 4 is connected with the gear mechanism 5, so that the speed reducing box disclosed by the utility model is equivalent to the gear reduction which is added after the traditional permanent magnet speed regulator, the speed reducing ratio can be designed according to the actual running speed interval of the fan water pump, and the maximum speed of the fan water pump is reduced to the maximum value or slightly higher than the actual running speed, thus the regulating range of the permanent magnet speed regulator is reduced to the maximum speed or below, the heat productivity is low, the system energy consumption is reduced, and the energy saving rate is improved.
The permanent magnet speed regulation reduction box disclosed by the utility model mainly plays a role in power transmission and is mainly used for power transmission between a driving motor and a load.
Specifically, the permanent magnet speed regulation reduction gearbox disclosed by the utility model mainly comprises a box body mechanism 7, the box body mechanism 7 is arranged, so that the arrangement and placement of other parts in the reduction gearbox are facilitated, meanwhile, a good protection effect is also achieved, the service life of the parts in the box body is prolonged, and in addition, as larger optimization, the box body mechanism 7 comprises a box body 7-2; the box body 7-2 is mainly an external main body structure of the permanent magnet speed regulation reduction box, and a placing cavity 7-1 is formed in the box body 7-2 in a hollow mode; the arrangement of the placement cavity 7-1 facilitates placement of various components hereinafter, such as the conductor rotor component 22, the permanent magnet rotating component, the speed regulating mechanism 4, the gear mechanism 5, etc., which are arranged hereinafter; in addition, in order to facilitate the power transmission in the actual process, it is required in the present utility model that the conductor rotor member 22 and the permanent magnet rotor member 3 are provided in the placement cavity 7-1; the design principle of the conductor rotor part 22 and the permanent magnet rotor part 3 in the utility model is similar to that of a traditional permanent magnet speed regulator, and mainly realizes non-contact torque transmission through the interaction between a permanent magnetic field generated by a magnet and an induction magnetic field generated by a conductor cutting magnetic line; the utility model realizes the transmission of power torque through the relative rotation of the conductor rotor part 22 and the permanent magnet rotor part 3.
Meanwhile, in the utility model, the permanent magnet rotor part 3 is connected with a speed regulating mechanism 4; the speed regulating mechanism 4 is mainly used for changing the relative position of the conductor rotor part 22 and the permanent magnet rotor part 3, and for a disc type permanent magnet speed regulator, the speed regulating mechanism 4 is mainly used for regulating the air gap between the conductor rotor part 22 and the permanent magnet rotor part 3; for the cylindrical permanent magnet speed regulator, the speed regulating mechanism 4 is mainly used for regulating the relative superposition area of the conductor rotor component 22 and the permanent magnet rotor component 3; based on the above adjustment, control of the power transmission between the conductor rotor member 22 and the permanent magnet rotor member 3 is achieved.
In the present utility model, the speed adjusting mechanism 4 is connected to an output shaft 61 via a gear mechanism 5; in the present utility model, the gear mechanism 5 is provided for the basic purpose of changing the amount of transmitted torque, but because of the difference in applicable fields, additional technical effects can be produced.
For example, when the reduction gearbox is connected with the fan water pump, the reduction ratio can be designed according to the actual running speed interval of the fan water pump, and the maximum speed of the fan water pump is reduced to the maximum value or slightly higher than the actual running speed, so that the adjusting range of the permanent magnet speed regulator is reduced to the maximum speed or lower, the heating value is low, the energy consumption of the system is reduced, and the energy saving rate is improved.
The specific design is as follows: the conductor rotor component 22 comprises a conductor steel disc 21, wherein a magnetizer 22 is arranged on the conductor steel disc 21; the permanent magnet rotor part 3 comprises a permanent magnet yoke disc 32, wherein permanent magnets 31 are arranged on the permanent magnet yoke disc 32, and the permanent magnets 31 and the magnetizers 22 are distributed oppositely; through the design, the conductor rotor part 22 and the permanent magnet rotor part 3 can interact, so that the normal transmission of torque is realized, and meanwhile, the speed regulating mechanism 4 comprises a speed regulating shaft 43 connected to the permanent magnet yoke disc 32; the setting of the speed regulating shaft 43 plays a good bridging role, facilitates the connection between the permanent magnet yoke disc 32 and the output shaft 61, realizes the normal transmission of power, and simultaneously facilitates the connection between the subsequent gear mechanism 5 and the permanent magnet yoke disc 32.
In actual use, the speed regulating shaft 43 is connected with the permanent magnet yoke disc 32, and the two are required to axially slide but not rotate with each other; the subsequent speed regulating shaft 43 is connected with the output shaft 61 through the gear mechanism 5; the gear mechanism 5 drives the output shaft 61 by the speed adjusting shaft 43.
Further, in the present utility model, a speed adjusting sleeve is provided on the speed adjusting shaft 43; the relative positions of the conductor rotor part 22 and the permanent magnet rotor part 3 can be changed when the speed regulation sleeve is used later; the speed adjusting sleeve set comprises a speed adjusting jacket 42 connected with the permanent magnet yoke disc 32; the regulating outer sleeve is connected with a speed regulating inner sleeve 44; the speed regulating outer sleeve 42 can axially slide on the speed regulating inner sleeve 44 along the speed regulating inner sleeve 44; in the utility model, the speed regulating outer sleeve 42 is connected to the permanent magnet yoke plate 32, and the speed regulating outer sleeve 42 can move relative to the speed regulating inner sleeve 44 during subsequent use; that is, during subsequent use, the permanent magnet yoke disc 32 can be relatively moved relative to the conductor steel disc 21 by pulling the speed regulation jacket 42; and then the change of the transmission torque of the speed regulator is realized.
In addition, in the utility model, the speed regulating shaft 43 and the permanent magnet yoke disc 32 have a certain connection relationship, so that the speed regulating shaft 43 can synchronously rotate along with the permanent magnet yoke disc 32; however, the arrangement of the speed adjusting jacket 42 and the speed adjusting shaft 43 is required not to interfere with the transverse movement of the permanent magnet yoke disc 32; thus, in the present utility model, the governor shaft 43 is connected to the permanent magnet yoke 32 through a spline assembly; the spline assembly comprises a sliding shaft sleeve 41 arranged on a speed regulating shaft 43, and an internal spline is arranged in the sliding shaft sleeve 41; an external spline is arranged on the outer side of the speed regulating shaft 43, and an internal spline in the sliding shaft sleeve 41 is meshed with the external spline on the speed regulating shaft 43; a speed regulation sleeve 42 in the speed regulation sleeve group is sleeved on the sliding shaft sleeve 41 through a first bearing; the speed regulation jacket 42 is connected with the permanent magnet yoke disc 32 through the sliding shaft sleeve 41; the utility model has the advantages that the connection between the speed regulating sleeve 42 and the speed regulating shaft 43 is facilitated through the arrangement of the sliding shaft sleeve 41, the speed regulating sleeve 42 is connected with the sliding shaft sleeve 41 through the first bearing, in actual use, the speed regulating sleeve 42 and the sliding shaft sleeve 41 can rotate relatively, but when the speed regulating sleeve 42 is pulled, the sliding shaft sleeve 41 needs to move along with the speed regulating sleeve 42, meanwhile, in order to avoid interference, the speed regulating sleeve 42 is required to be not directly connected with the permanent magnet yoke disc 32, but is bridged through the sliding shaft sleeve 41, in the utility model, the sliding shaft sleeve 41 is fixedly connected on the permanent magnet yoke disc 32, and the permanent magnet yoke disc 32 and the sliding shaft sleeve 41 synchronously rotate and move; in order to ensure normal power transmission, the sliding shaft sleeve 41 is required to be connected to the speed regulating shaft 43 through a spline mechanism, so that the sliding shaft sleeve 41 can normally axially move along the speed regulating shaft 43, and meanwhile, when the sliding shaft sleeve 41 rotates, the speed regulating shaft 43 rotates along with the sliding shaft sleeve 41, thereby realizing normal transmission of rotating torque and rotating force.
Further, in the present utility model, an annular sinking groove is formed on the outer side surface of the sliding shaft sleeve 41, and the first bearing is arranged in the annular sinking groove; according to the utility model, the annular sinking groove is arranged, so that a stepped groove is formed on the outer side of the sliding shaft sleeve 41, and the stepped platform is formed on the side, close to the permanent magnet yoke disc 32, of the sliding shaft sleeve 41; by the arrangement, the first bearing can be laterally limited, and meanwhile, one side of the annular sinking groove far away from the permanent magnet yoke disc 32 is provided with an end limiting part; the end limiting parts and the stepped platforms are distributed on two sides of the first bearing, so that the arrangement position of the first bearing is conveniently limited, the first bearing is prevented from moving axially along the sliding shaft sleeve 41, when the permanent magnet rotor component 3 and the conductor rotor component 22 are convenient to use, the sliding shaft sleeve 41 can be pulled by adjusting the speed regulating sleeve 42, and the relative position between the permanent magnet rotor component 41 and the conductor rotor component 22 is changed; meanwhile, because of the arrangement of the first bearing, the speed regulating sleeve 42 and the sliding shaft sleeve 41 cannot be in rotational interference.
Further, in the utility model, a connecting wall 8 is arranged in the placing cavity 7-1; the arrangement of the connecting wall 8 plays a role of internal support, so that the arrangement and placement of all parts in the cavity 7-1 are convenient, and particularly, in actual use, the connecting wall 8 is connected with the speed regulating inner sleeve 44 in the speed regulating sleeve group; the connecting wall 8 and the speed regulating inner sleeve 44 are connected through a fastener, such as a bolt, so that the speed regulating inner sleeve 44 is equivalent to be in a fixed state, the speed regulating outer sleeve 42 is sleeved on the speed regulating inner sleeve 44 in the subsequent use, the speed regulating outer sleeve 42 can axially move along the speed regulating inner sleeve 44, and meanwhile, the speed regulating inner sleeve 44 also plays a good supporting role, so that the speed regulating outer sleeve 42 is conveniently supported; ensuring the linearity of the movement of the speed regulating jacket 42; in turn, ensures stability of the relative positional change of the permanent magnet rotor part 3 and the conductor rotor part 22.
Meanwhile, the connecting wall 8 is provided with a through hole; the through holes are coaxially distributed with the speed regulating shaft 43; the adjusting inner sleeve is arranged at one side of the through hole, and is coaxially distributed with the through hole, so that the follow-up speed regulating shaft 43 can conveniently pass through the speed regulating inner sleeve 44 and be arranged in the connecting wall 8 based on the design; in actual connection, the speed regulating inner sleeve 44 and the connecting wall 8 can be connected with the speed regulating shaft 43 through the bearing mechanism, so that the speed regulating inner sleeve 44 can support and guide the speed regulating outer sleeve 42, the use stability and accuracy of the speed regulating outer sleeve are guaranteed, meanwhile, the stable placement of the speed regulating shaft 43 can be realized, and the arrangement and placement stability of the permanent magnet rotor component 3 are facilitated.
Further, in the present utility model, the gear mechanism 5 includes a primary transmission mechanism including a first gear 45 provided on the speed regulation shaft 43 and a second gear 62 provided on the output shaft 61; the first gear 45 is connected with the second gear 62; the utility model can realize the power transmission between the output shaft 61 and the speed regulating shaft 43 through the cooperation of the first gear 45 and the second gear 62, and in actual use, the frequency ratio of the first gear 45 and the second gear 62 is controlled; the maximum rotating speed of the fan water pump is reduced to the maximum value or a little higher than the actual running rotating speed, so that the adjusting range of the permanent magnet speed regulator is reduced to the maximum speed or below, the heating value is low, the energy consumption of the system is reduced, and the energy saving rate is improved.
Furthermore, in the present utility model, the connecting wall 8 is provided with a plurality of lateral through holes 81, the lateral through holes 81 are arranged to facilitate the through installation of the output shaft 61, in addition, each lateral through hole 81 and the through hole 82 are arranged in parallel, and each lateral through hole 81 and the through hole 82 are distributed in parallel at intervals; the utility model is provided with a plurality of lateral through holes 81, so that the arrangement position of the output shaft 61 at the end part of the box body 7-2 can be changed according to the needs in actual use; the arrangement and placement of the output shaft 61 are facilitated, and the interference problem between adjacent components in subsequent use is reduced.
In addition, in the present utility model, the output shaft 61 is connected to the connection wall 8 and the case body 7-2 through a bearing mechanism; in order to facilitate the through-connection installation of the output shaft 61, the box body 7-2 is provided with a plurality of assembly holes 72, and one lateral through-connection hole 81 at least corresponds to one assembly hole 72; meanwhile, a mounting hole 71 is also arranged at the opposite position of the box body 7-2 and the speed regulating shaft 43, the mounting hole 71 is positioned at the center of the box body 7-2, the mounting hole 71 and the speed regulating shaft 43 are oppositely arranged, and the mounting hole 71 and the speed regulating shaft 43 are coaxially arranged; based on such a setting, it is possible to fix the speed adjusting shaft 43 or the output shaft 61 in actual use; the installation and assembly of the speed adjusting shaft 43 or the output shaft 61 are facilitated.
In summary, the present utility model is mainly used to facilitate the arrangement and placement of the speed adjusting shaft 43, the output shaft 61, and other shafts by the arrangement of the through holes 82, the mounting holes 71, the assembly holes 72, and the lateral through holes 81.
Further, in the present utility model, the vertical section of the conductor steel plate 21 is |or [ type; when the vertical section of the conductor steel disc 21 is of the type I, the speed reduction box is represented as a disc type permanent magnet speed regulation speed reduction box; if the vertical section is [ type; the speed reducing direction is represented as a cylinder type permanent magnet speed regulating speed reducing box; because the disc type reduction gearbox and the cylinder type reduction gearbox have different using effects, the type of the reduction gearbox can be selected according to actual working conditions when in actual use; of course, when the cutter body steel disc is designed into different structures, the permanent magnet yoke disc 32 is required to be designed into a structure which can be matched with the corresponding conductor steel disc 21 for use; reference is made in particular to the accompanying drawings.
Specific examples are as follows:
the permanent magnet speed regulation reversing speed reduction box comprises an input shaft part 1, a conductor rotor part 22, a permanent magnet rotor part 3, a speed regulation mechanism 4, a gear mechanism 5 and an output shaft part 6, wherein the output shaft part 6 comprises an output shaft 61 and a box body mechanism 7; in the present utility model the gear mechanism 5 has only a primary transmission mechanism; the conductor rotor and the permanent magnet rotor are disc-type or drum-type, the number of the conductor rotor and the permanent magnet rotor are one, a torque transmission unit is formed, the input shaft component 1 is connected with the conductor rotor component 22, the permanent magnet rotor component 3 is connected with the speed regulating mechanism 4, a first gear 45 is arranged on a speed regulating shaft 43 in the speed regulating mechanism 4, a second gear 62 is arranged on an output shaft 61, and the first gear 45 is meshed with the second gear 62; the input shaft component 1 mainly comprises an input shaft 11, and the input shaft 11 is mounted on the box body through an input shaft bearing seat 12; in the utility model, the output shaft 61 is not coaxial with the input shaft 11, the input steering is opposite to the output steering, and the speed regulating mechanism 4 can change the air gap or the meshing area of the conductor rotor part 22 and the permanent magnet rotor part 3 to realize the regulation of the load rotating speed; compared with the method for only adjusting the rotating speed of the fan water pump, the method can further improve the energy saving rate and is beneficial to energy saving and emission reduction.
According to the permanent magnet speed regulation reversing speed reducing box disclosed by the utility model, due to the fact that gear reduction is added behind the permanent magnet speed regulator, the speed reduction ratio can be designed according to the actual running speed interval of the fan water pump, and the highest speed of the fan water pump is reduced to the highest value or slightly higher than the actual running speed, so that the regulating range of the permanent magnet speed regulator is reduced to the highest speed or below, the heating value is low, the system energy consumption is reduced, and the energy saving rate is improved.
Meanwhile, because the fan water pump is designed to be coaxially driven, after the utility model is adopted, the steering direction of the prime motor and the working machine is opposite, the steering direction of the motor is required to be reversed, and the motor foundation is required to move obliquely backward.
The specific embodiment is that the motor rotating speed is 1490r/min, the fan water pump actually runs between 1192r/min and 894r/min, the speed regulating range is 80% to 60% and the heating value is 14.8% to 12.8% only by using the permanent magnet speed regulator, if the permanent magnet speed regulating forward speed reducing box is adopted, the gear speed ratio is designed to be 1:1.2, the maximum rotating speed is 1204r/min when the minimum slip of the permanent magnet speed regulating is considered to be 3%, the permanent magnet speed regulating range is 97% -72%, the heating value is 14.5% to 2.8%, the heating value is obviously reduced, and the higher the rotating speed, the smaller the heating value and the higher the energy saving rate are in the speed regulating range.
In addition, here, the side face of the case body 7-2 has an opening in the present utility model; that is, the case body may be made into an assembled structure, followed by subsequent assembly of the parts such as the conductor rotor part 2, the permanent magnet rotor part 3, and the like.
It is obvious that the specific implementation of the present utility model is not limited by the above-mentioned modes, and that it is within the scope of protection of the present utility model only to adopt various insubstantial modifications made by the method conception and technical scheme of the present utility model.
Claims (8)
1. The permanent magnet speed regulation reversing speed reduction box is characterized by comprising a box body mechanism, wherein a conductor rotor component and a permanent magnet rotor component are arranged in the box body mechanism;
the permanent magnet rotor component is connected with a speed regulating mechanism;
the conductor rotor component comprises a conductor steel disc, and a magnetizer is arranged on the conductor steel disc;
the permanent magnet rotor component comprises a permanent magnet yoke disc, wherein permanent magnets are arranged on the permanent magnet yoke disc and are distributed relative to the magnetizers;
the speed regulating mechanism comprises a speed regulating shaft connected to the permanent magnet yoke disc;
the speed regulating mechanism is connected with an output shaft through a gear mechanism;
the gear mechanism comprises a primary transmission mechanism, wherein the primary transmission mechanism comprises a first gear arranged on a speed regulating shaft and a second gear arranged on an output shaft; the first gear is connected with the second gear.
2. The permanent magnet speed regulation reversing gear box according to claim 1, wherein the box mechanism comprises a box body; the box body is hollow inside to form and places the cavity.
3. The permanent magnet speed regulation reversing speed reducer of claim 1, wherein the speed regulation shaft is provided with a speed regulation sleeve group; the speed regulation sleeve group comprises a speed regulation jacket connected with the permanent magnet yoke disc; the speed-regulating outer sleeve is connected with a speed-regulating inner sleeve; the speed regulating outer sleeve can axially slide on the speed regulating inner sleeve along the speed regulating inner sleeve.
4. A permanent magnet speed regulation reversing gearbox according to claim 3, wherein the speed regulation shaft is connected with the permanent magnet yoke disc through a spline assembly; the spline assembly comprises a sliding shaft sleeve arranged on the speed regulating shaft, and an internal spline is arranged in the sliding shaft sleeve; an external spline is arranged on the outer side of the speed regulating shaft, and an internal spline in the sliding shaft sleeve is meshed with the external spline on the speed regulating shaft; the speed regulation jacket in the speed regulation jacket group is sleeved on the sliding shaft sleeve through a first bearing; the speed regulation jacket is connected with the permanent magnet yoke disc through a sliding shaft sleeve.
5. The permanent magnet speed regulation reversing speed reducer box according to claim 4, wherein an annular sinking groove is formed in the outer side face of the sliding shaft sleeve, and the first bearing is arranged in the annular sinking groove; and one side of the annular sinking groove, which is far away from the permanent magnet yoke disc, is provided with an end limiting part.
6. The permanent magnet speed regulation reversing speed reducer according to claim 2, wherein a connecting wall is arranged in the placing cavity; the connecting wall is connected with a speed regulating inner sleeve in the speed regulating sleeve group; the connecting wall is provided with a through hole; the through holes and the speed regulating shaft are coaxially distributed.
7. The permanent magnet speed regulation reversing speed reducer box according to claim 6, wherein a plurality of lateral through holes are formed in the connecting wall, each lateral through hole and each through hole are arranged in parallel, and each lateral through hole and each through hole are distributed in parallel at intervals.
8. The permanent magnet speed regulation reversing speed reducer of claim 1, wherein the vertical section of the conductor steel disc is of the type i or [ i ].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321648409.5U CN220382925U (en) | 2023-06-27 | 2023-06-27 | Permanent magnet speed regulation reversing reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321648409.5U CN220382925U (en) | 2023-06-27 | 2023-06-27 | Permanent magnet speed regulation reversing reduction gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220382925U true CN220382925U (en) | 2024-01-23 |
Family
ID=89570938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321648409.5U Active CN220382925U (en) | 2023-06-27 | 2023-06-27 | Permanent magnet speed regulation reversing reduction gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220382925U (en) |
-
2023
- 2023-06-27 CN CN202321648409.5U patent/CN220382925U/en active Active
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