CN203326748U - Motor and composite architecture body used in building machinery - Google Patents
Motor and composite architecture body used in building machinery Download PDFInfo
- Publication number
- CN203326748U CN203326748U CN2013203962057U CN201320396205U CN203326748U CN 203326748 U CN203326748 U CN 203326748U CN 2013203962057 U CN2013203962057 U CN 2013203962057U CN 201320396205 U CN201320396205 U CN 201320396205U CN 203326748 U CN203326748 U CN 203326748U
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- motor
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- torque
- rotor core
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- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 230000004323 axial length Effects 0.000 claims abstract description 44
- 238000010276 construction Methods 0.000 claims description 31
- 230000037431 insertion Effects 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 22
- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 206010065929 Cardiovascular insufficiency Diseases 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Abstract
The utility model provides a motor and a composite architecture body used in building machinery. A motor with strength and low outputs can be manufactured and serialization of each output of the motor can be realized easily at a low cost. An axial length (L2) of a magnet (362) is shorter than an axial length (L1) of a rotor iron core (361). A magnetic force can be reduced in the shortened magnet (362) and a torque of a shaft which is fixed on the rotor iron core (361) can be reduced.
Description
Technical field
The utility model relates to motor and construction Machines composite construction.
Background technology
In the past, about the motor of construction Machines composite construction, the disclosed motor of TOHKEMY 2008-290594 communique (patent documentation 1) is arranged.
This motor has motor shell, the stator of installing in this motor shell, at the rotor of the radially inner side configuration of this stator and the axle that is fixed in this rotor.
In addition, be connected in the axle of this motor by the rotating shaft of the output shaft by engine and pump, the power of motor assisted engine or accept the power of engine and generated electricity.
[prior art document]
[patent documentation]
[patent documentation 1] TOHKEMY 2008-290594 communique
But, in the motor in above-mentioned past, in the situation that adjust the output of this motor, by change stator core and rotor core both sides' size, tackled.
At this, the size of the flywheel shell of the described engine be connected with described motor shell, haply according to specification and definite, is determined the size of motor shell according to its size, and then the radial dimension of definite stator core.
In addition, because needs are guaranteed the torque of described axle, thereby can not reduce terrifically the radial dimension of described rotor core.
Therefore, in order to adjust the output of described motor, need the axial length of increase and decrease stator core and rotor core.
But, if the axial length of described stator core is less than predetermined value, the undercapacity of stator core.Therefore, can not produce the motor of low output.
In addition, for the seriation of every kind of output of described motor, consider not expect to manufacture rotor core and the stator core of various sizes from the cost aspect.
The utility model content
Therefore, problem of the present utility model is to provide a kind of motor and has the construction Machines composite construction of this motor, can produce the motor of the low output with intensity, and can be easily and realize at low cost the seriation (シ リ ー ズization of every kind of output of motor).
In order to solve above-mentioned problem, motor of the present utility model is characterised in that, this motor has:
Motor shell;
Stator, it is arranged in this motor shell;
Rotor, it is configured in the radially inner side of this stator; And
Axle, it is fixed in this rotor,
Described rotor has:
Rotor core; And
Torque reduces uses magnet, and it is installed on this rotor core, for reducing the torque of described axle.
According to motor of the present utility model, described rotor has the torque reduction and uses magnet, thereby can utilize this torque to reduce the output that reduces motor with magnet.
Therefore, need to not reduce for the output that reduces described motor axial length and the radial dimension of rotor core and stator core, use magnet by adopting torque to reduce, can guarantee that rotor core and stator core are fixed dimension, can produce the motor of the low output with intensity.
In addition, when manufacturing the different motor of output, only need to change torque and reduce and use magnet, can make rotor core and stator core sharing, can be easily and realize at low cost the seriation of every kind of output of motor.
In addition, in the motor of an execution mode, described torque reduces with the axial length of magnet shorter than the axial length of described rotor core.
According to the motor of present embodiment, described torque reduces with the axial length of magnet shorter than the axial length of described rotor core.Like this, can reduce the axial dimension of the magnet that cost is higher, realize cost.
In addition, in the motor of an execution mode, described rotor core has the magnet insertion holes that reduces the magnet insertion for described torque,
Described torque reduces with the radial dimension of magnet less than the radial dimension of the described magnet insertion holes of described rotor core.
According to the motor of present embodiment, described torque reduces with the radial dimension of magnet less than the radial dimension of the described magnet insertion holes of described rotor core.Like this, can reduce the radial dimension of the magnet that cost is higher, realize cost.
In addition, in the motor of an execution mode, it is ferrite lattice with magnet that described torque reduces.
According to the motor of present embodiment, it is ferrite lattice with magnet that described torque reduces.Like this, by adopting cheap magnet, can realize cost.
In addition, in the motor of an execution mode, described motor has nonmagnetic positioning element, and this positioning element reduces described torque with magnet and locates with respect to described rotor core.
According to the motor of present embodiment, utilize described positioning element that described torque is reduced with magnet and locates with respect to described rotor core.Thus, even reduce torque, reduce the size with magnet, also torque can be reduced to the precalculated position that is positioned rotor core with magnet.
In addition, in the motor of an execution mode, the axial length of described rotor core and described torque reduce the axial length with magnet, shorter than the axial length of the stator core of described stator.
According to the motor of present embodiment, the axial length of described rotor core and described torque reduce the axial length with magnet, shorter than the axial length of the stator core of described stator, thereby can reduce the output of motor.
Therefore, need to not reduce axial length and the radial dimension of stator core for the output that reduces described motor, can guarantee that stator core is fixed dimension, can produce the motor of the low output with intensity.
In addition, when manufacturing the different motor of output, can make the stator core sharing, can be easily and realize at low cost the seriation of every kind of output of motor.
In addition, the construction Machines composite construction of an execution mode has:
Engine;
Pump; And
Described motor, it is configured between described engine and described pump,
The described axle of described motor is connected between the rotating shaft of the output shaft of described engine and described pump,
The described motor shell of described motor is connected with the flywheel shell of described engine.
According to the construction Machines composite construction of present embodiment, described motor shell is connected with described flywheel shell.The size of this flywheel shell, haply according to specification and definite, is determined the size of motor shell according to its size, and then the radial dimension of definite stator core.Even in this case, use magnet by adopting described torque to reduce, the size that does not need to change stator core can reduce the output of motor.
The utility model effect
According to motor of the present utility model and construction Machines composite construction, because described rotor has torque reduction magnet, thereby can produce the motor of the low output with intensity, and can be easily and realize at low cost the seriation of every kind of output of motor.
The accompanying drawing explanation
Fig. 1 means the motor of the 1st execution mode of the present utility model and the concise and to the point cutaway view of construction Machines composite construction.
Fig. 2 is the amplification view of motor.
Fig. 3 is the amplification view of the motor of the 2nd execution mode of the present utility model.
Fig. 4 is the amplification view of the motor of the 3rd execution mode of the present utility model.
Fig. 5 is the amplification view of the motor of the 4th execution mode of the present utility model.
Label declaration
1 engine; 2 pumps; 3 motors; 10 engine main bodies; 11 output shafts; 12 flywheels; 13 motor bodies; 130 body shell; 131 flywheel shells; 20 pump main bodys; 21 rotating shafts; 23 pump case; 230 body shell; 231 mounting panels; 31 axles; 33 motor shells; 35 stators; 351 stator cores; 352 stator coils; 36,36A rotor; 361,361A rotor core; The 361a magnet insertion holes; 362,362A, 362B, 362C magnet (torque reduction magnet); 363 nonmagnetic materials (positioning element); 37 shaft couplings; The axial length of L1, L3 rotor core; The axial length of L2, L4 magnet; The axial length of L5 stator core; The radial dimension of M1 magnet insertion holes; The radial dimension of M2 magnet.
Embodiment
Below, describe the utility model in detail according to illustrated execution mode.
(the 1st execution mode)
Fig. 1 means the longitudinal section of the construction Machines composite construction of the 1st execution mode of the present utility model.As shown in Figure 1, this construction Machines composite construction for example is assemblied in the vehicle of construction Machines, has engine 1, pump 2 and is configured in the motor 3 between described engine 1 and described pump 2.
Flywheel 12 and motor body 13 that described engine 1 has engine main body 10, is connected with the output shaft 11 of engine main body 10.Motor body 13 has the body shell 130 of covering engine main body 10 and covers the flywheel shell 131 of flywheel 12.
Described pump 2 is for example hydraulic pump, has pump main body 20 and pump case 23.Pump case 23 has the body shell 230 that covers pump main body 20 and the mounting panel 231 that is positioned at rotating shaft 21 sides of pump main body 20.
Described motor 3 for example is used to assisted engine 1 power to pump 2 or is used to accept engine 1 generated electricity to the power of pump 2.Motor 3 has motor shell 33, stator 35, rotor 36 and axle 31.
Described motor shell 33 is configured between motor body 13 and pump case 23, and is connected with motor body 13 and pump case 23.Specifically, motor shell 33 is connected with flywheel shell 131 and mounting panel 231 by bolt.
Described stator 35 is installed in motor shell 33.Stator 35 has the stator core cylindraceous 351 contacted with the inner surface of motor shell 33 and is wound onto the stator coil 352 on this stator core 351.
Described rotor 36 is configured in the radially inner side of stator 35.Rotor 36 has at the rotor core cylindraceous 361 of the radially inner side devices spaced apart configuration of stator core 351 and a plurality of magnet 362 in being embedded in this rotor core 361.
Described axle 31 is cylindraceous, is fixed in the inner surface of rotor 36, and is connected between the rotating shaft 21 of the output shaft 11 of engine 1 and pump 2.Specifically, an end of axle 31 is connected with flywheel 12 by bolt.The other end of axle 31 is connected with the rotating shaft 21 of pump main body 20 by shaft coupling 37.Shaft coupling 37 is connected with the other end of axle 31 by bolt.
Effect to above-mentioned construction Machines composite construction describes, and the output shaft 11 by described engine 1 is rotated, and the axle 31 of motor 3 is rotated, and the rotating shaft 21 of pump 2 is rotated.Now, motor 3 is by the power of the electromagnetic force assisted engine 1 of stator 35 and rotor 36 or accept the power of engine 1 and generated electricity.
As shown in Figure 2, described rotor core 361 has a plurality of magnet insertion holes 361a.This magnet insertion holes 361a forms rectangular-shaped from end on observation.The interval that a plurality of magnet insertion holes 361a are predetermined along circumferentially spaced and arranging.
Insert respectively described magnet 362 in described a plurality of magnet insertion holes 361a.This magnet 362 is neodium magnets, forms tabular.
The axial length L 2 of described magnet 362 is shorter than the axial length L of described rotor core 361 1.Like this, with the common magnet with length identical with the length L 1 of rotor core 361, compare, in the magnet 362 of this shortening, can reduce magnetic force.That is, the magnet 362 of this shortening can be described as the torque reduction magnet for reducing the torque of described axle 31.In addition, the axial length L 1 of rotor core 361 is roughly the same with the axial length of stator core 351.
On the other hand, the radial dimension of described magnet 362 (thickness) is identical with the radial dimension of described magnet insertion holes 361a.
Described magnet 362 is positioned at the axial middle body of described rotor core 361.Axial both end sides at this magnet 362 is provided with nonmagnetic material 363 in described magnet insertion holes 361a.This nonmagnetic material 363 is located magnet 362 with respect to rotor core 361.That is, nonmagnetic material 363 is examples of positioning element.
Described nonmagnetic material 363 is for example formed by resin or SUS.Nonmagnetic material 363 can insert in magnet insertion holes 361a individually, or also can form as one with the not shown end plate of rotor core 361, along with the installation of this end plate, inserts in magnet insertion holes 361a.
According to the motor 3 of said structure, described rotor 36 has torque to be reduced with magnet 362, thereby can utilize this torque to reduce the output that reduces motor 3 with magnet 362.
Therefore, need to not reduce for the output that reduces described motor 3 axial length and the radial dimension of rotor core 361 and stator core 351, by adopting torque to reduce with magnet 362, can guarantee that rotor core 361 and stator core 351 are fixed dimension, can produce the motor 3 of the low output with intensity.
In addition, preparing the different a plurality of torques of axial length in advance reduces with magnet 362, when different motors 3 is exported in manufacture, only needing to change the torque that these length are different reduces with magnet 362, can make rotor core 361 and stator core 351 sharings, can be easily and realize at low cost the seriation of every kind of output of motor 3.
In addition, described torque reduces by the axial length L 2 of magnet 362 shorter than the axial length L of described rotor core 361 1.Like this, can reduce the axial dimension of the magnet 362 that cost is higher, realize cost.
In addition, utilize the nonmagnetic material 363 as positioning element that described torque is reduced with magnet 362 with respect to described rotor core 361 location.Therefore, even reduce torque, reduce the size with magnet 362, also torque can be reduced to the precalculated position that is positioned rotor core 361 with magnet 362.
According to the construction Machines composite construction of said structure, described motor shell 33 is connected with described flywheel shell 131.The size of this flywheel shell 131, haply according to specification and definite, is determined the size of motor shell 33 according to its size, and then the radial dimension of definite stator core 351.Even in this case, by adopting described torque, reduce with magnet 362, the size that does not need to change stator core 351 can reduce the output of motor 3.
(the 2nd execution mode)
Fig. 3 means the longitudinal section of the motor of the 2nd execution mode of the present utility model.The 2nd execution mode only torque reduces different with the structure of magnet and above-mentioned the 1st execution mode.Below only to this, different structures describes, and in addition, in the 2nd execution mode, the label identical with above-mentioned the 1st execution mode means the structure identical with above-mentioned the 1st execution mode, thereby omits its description.
As shown in Figure 3, the radial dimension M2 of magnet 362A is less than the radial dimension M1 of magnet insertion holes 361a.Like this, with the common magnet with thickness identical with the size M1 of magnet insertion holes 361a, compare, in the magnet 362A of this thin-walled, can reduce magnetic force.That is, the magnet 362A of this thin-walled can be described as the torque reduction magnet for reducing the torque of described axle 31.
On the other hand, the axial length of described magnet 362A is identical with the axial length of described rotor core 361.
Described magnet 362A is neodium magnet, forms tabular.Magnet 362A is positioned at the Outboard Sections radially of magnet insertion holes 361a.At the radially inner side of this magnet 362A, be provided with the nonmagnetic material 363 as positioning element in described magnet insertion holes 361a.This nonmagnetic material 363 is located magnet 362A with respect to rotor core 361.
According to the motor of the 2nd execution mode, described rotor 36 has the torque reduction and uses magnet 362A, thereby can utilize this torque to reduce the output that reduces motor with magnet 362A.
Therefore, need to not reduce for the output that reduces described motor axial length and the radial dimension of rotor core 361 and stator core 351, use magnet 362A by adopting torque to reduce, can guarantee that rotor core 361 and stator core 351 are fixed dimension, can produce the motor of the low output with intensity.
In addition, prepare the different a plurality of torques reduction magnet 362A of radial dimension (thickness) in advance, when different motors is exported in manufacture, only need to change the different torque reduction magnet 362A of these thickness, can make rotor core 361 and stator core 351 sharings, can be easily and realize at low cost the seriation of every kind of output of motor.
In addition, described torque reduces with the radial dimension M2 of magnet 362A less than the radial dimension M1 of described rotor core 361.Like this, can reduce the radial dimension of the magnet 362A that cost is higher, realize cost.
(the 3rd execution mode)
Fig. 4 means the longitudinal section of the motor of the 3rd execution mode of the present utility model.The 3rd execution mode only torque reduces different with the structure of magnet and above-mentioned the 1st execution mode.Below only to this, different structures describes, and in addition, in the 3rd execution mode, the label identical with above-mentioned the 1st execution mode means the structure identical with above-mentioned the 1st execution mode, thereby omits its description.
As shown in Figure 4, magnet 362B is ferrite lattice.Like this, with common neodium magnet, compare, in this magnet 362B, can reduce magnetic force.That is, this magnet 362B can be described as the torque reduction magnet for reducing the torque of described axle 31.The size of this magnet 362B and magnet insertion holes 361a's is measure-alike.
According to the motor of the 3rd execution mode, described rotor 36 has the torque reduction and uses magnet 362B, thereby can utilize this torque to reduce the output that reduces motor with magnet 362B.
Therefore, need to not reduce for the output that reduces described motor axial length and the radial dimension of rotor core 361 and stator core 351, use magnet 362B by adopting torque to reduce, can guarantee that rotor core 361 and stator core 351 are fixed dimension, can produce the motor of the low output with intensity.
In addition, described torque reduction is ferrite lattice with magnet 362B.Like this, by adopting cheap magnet 362B, can realize cost.
(the 4th execution mode)
Fig. 5 means the longitudinal section of the motor of the 4th execution mode of the present utility model.The 4th execution mode is structure and above-mentioned the 1st execution mode different of rotor only.Below only to this, different structures describes, and in addition, in the 4th execution mode, the label identical with above-mentioned the 1st execution mode means the structure identical with above-mentioned the 1st execution mode, thereby omits its description.
As shown in Figure 5, in this rotor 36A, the axial length L 3 of rotor core 361A and the axial length L 4 of magnet 362C, shorter than the axial length L of the stator core of stator 35 351 5.The length L 3 of rotor core 361A and the length L 4 of magnet 362C are roughly the same.
Like this, with the common magnet with length identical with the length L 5 of stator core 351, compare, in this magnet 362C, can reduce magnetic force.That is, this magnet 362C can be described as the torque reduction magnet for reducing the torque of axle 31.
In addition, with the common rotor core with length identical with the length L 5 of stator core 351, compare, in this rotor core 361A, can reduce moment of inertia.
According to the motor of the 4th execution mode, the axial length L 3 of described rotor core 361A and described torque reduce the axial length L 4 with magnet 362C, shorter than the axial length L of described stator core 351 5, thereby can reduce the output of motor.
Therefore, need to not reduce axial length and the radial dimension of stator core 351 for the output that reduces described motor, can guarantee that stator core 351, for fixed dimension, can produce the motor of the low output with intensity.
In addition, when manufacturing the different motor of output, can make stator core 351 sharings, can be easily and realize at low cost the seriation of every kind of output of motor.
In addition, the utility model is not limited to above-mentioned execution mode.For example, also can carry out various combinations to above-mentioned the 1st～above-mentioned the 4th execution mode characteristic point separately.
In addition, can be also that described torque reduction has at least one structure in structure, the structure that reduces radial dimension (thickness) that shortens axial length and the structure of using ferrite lattice with magnet.
In addition, the axle of the rotating shaft of the output shaft of described engine and described pump and described motor also can be integrally formed.
The generating that in addition, also the motor of said structure can be only applicable to utilize engine to be generated electricity is with motor or be only applicable to the servo-motor of the driving of assisted engine.
In addition, also can be by the motor of said structure for the engineering goods beyond the construction Machines composite construction.
Claims (7)
1. a motor, is characterized in that, this motor has:
Motor shell (33);
Stator (35), it is arranged in this motor shell (33);
Rotor (36,36A), it is configured in the radially inner side of this stator (35); And
Axle (31), it is fixed in this rotor (36,36A),
Described rotor (36,36A) has:
Rotor core (361,361A); And
Torque reduces with magnet (362,362A, 362B, 362C), and it is installed on this rotor core (361,361A), for reducing the torque of described axle (31).
2. motor according to claim 1, is characterized in that,
Described torque reduces with the axial length (L2) of magnet (362) shorter than the axial length of described rotor core (361) (L1).
3. motor according to claim 1, is characterized in that,
Described rotor core (361) has the magnet insertion holes (361a) that reduces magnet (362A) insertion for described torque,
Described torque reduces with the radial dimension (M2) of magnet (362A) less than the radial dimension (M1) of the described magnet insertion holes (361a) of described rotor core (361).
4. motor according to claim 1, is characterized in that,
It is ferrite lattice with magnet (362B) that described torque reduces.
5. motor according to claim 2, is characterized in that,
Described motor has nonmagnetic positioning element (363), and this positioning element (363) reduces described torque with magnet (362,362A, 362B) and locates with respect to described rotor core (361).
6. motor according to claim 1, is characterized in that,
The axial length (L3) of described rotor core (361A) and described torque reduce the axial length (L4) with magnet (362C), shorter than the axial length of the stator core of described stator (35) (351) (L5).
7. a construction Machines composite construction, is characterized in that, this construction Machines composite construction has:
Engine (1);
Pump (2); And
Motor claimed in claim 1 (3), it is configured between described engine (1) and described pump (2),
The described axle (31) of described motor (3) is connected between the rotating shaft (21) of the output shaft (11) of described engine (1) and described pump (2),
The described motor shell (33) of described motor (3) is connected with the flywheel shell (131) of described engine (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-154713 | 2012-07-10 | ||
| JP2012154713A JP2014017999A (en) | 2012-07-10 | 2012-07-10 | Motor and hybrid structure for construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326748U true CN203326748U (en) | 2013-12-04 |
Family
ID=49666041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203962057U Expired - Fee Related CN203326748U (en) | 2012-07-10 | 2013-07-04 | Motor and composite architecture body used in building machinery |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014017999A (en) |
| CN (1) | CN203326748U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7043824B2 (en) | 2017-12-15 | 2022-03-30 | 日本電産株式会社 | Spindle motor and disk drive equipped with it |
| JP2021061677A (en) * | 2019-10-07 | 2021-04-15 | 三菱電機株式会社 | Rotary electric machine |
-
2012
- 2012-07-10 JP JP2012154713A patent/JP2014017999A/en active Pending
-
2013
- 2013-07-04 CN CN2013203962057U patent/CN203326748U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014017999A (en) | 2014-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20170704 |