CN208010341U - A kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives - Google Patents
A kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives Download PDFInfo
- Publication number
- CN208010341U CN208010341U CN201820165603.0U CN201820165603U CN208010341U CN 208010341 U CN208010341 U CN 208010341U CN 201820165603 U CN201820165603 U CN 201820165603U CN 208010341 U CN208010341 U CN 208010341U
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- impeller
- permanent magnet
- synchronous motor
- rotary shaft
- magnet synchronous
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 48
- 238000004804 winding Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 239000003245 coal Substances 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a kind of cutting part of heading machine driving devices that no frame permanent magnet synchronous motor directly drives, including cutterhead, rotary shaft, the rotary shaft is equipped with no frame permanent magnet synchronous motor, the no frame permanent magnet synchronous motor includes stator module, rotor assembly, the stator module includes stator core and is wrapped in stator winding on stator core, the circular column or annular disk that the stator core is integrally formed；The stator module is fixedly connected with preceding briquetting and rear briquetting, and the rotor assembly is fixedly mounted on the rotary shaft, and the rotary shaft is equipped with boss.The utility model substitutes former driving device using no frame permanent magnet synchronous motor, and midway drive link is omitted, reduces energy loss, increases transfer motion power；It is mounted with impeller on the rotary shaft, heat dissipation effect is more notable, and easy for installation；The relatively original cutting units driving device of the structure of the utility model is simpler, is easily installed, easy to disassemble and equipment maintenance.
Description
Technical field
The utility model is related to development machine more particularly to a kind of cutting part of heading machine that no frame permanent magnet synchronous motor directly drives
Driving device.
Background technology
In coal industry, driving and back production are the important production links of coal production, and development machine includes mainly development machine
Main body and the cutting units being connected with development machine main body, wherein cutting units include the cutting motor for being connected to development machine main body, with
Cutting speed reducer, pars contractilis, telescopic hydraulic cylinder and the cutterhead with multiple cutting teeth that cutting motor is connected.Cutting is slowed down
The ring flange at device both ends links into an integrated entity with motor and cantilever segment respectively, the transmission shaft in cantilever segment by spline and screw with
Cutting head assembly is connected.Motor through in cutting reducer, cantilever segment transmission shaft driving cutting head assembly rotation cutting coal,
Rock.Cutting units is connected by axis pin with cutterhead lifting cylinder, is connected with cutterhead revolving platform by axis pin.It is lifted in cutterhead
Under oil cylinder pushing, it can be swung up and down around axis pin；It, can be with the left and right swing of cutterhead revolving platform under the promotion of cutterhead angling cylinder.
Such as Chinese patent literature CN201310065479.2 cutting part of heading machine, a kind of cutting part of heading machine, including cut
Cut head, telescopic device, telescopic oil cylinder, cutting speed reducer, cutting motor and cutting units backplate, it is characterised in that：Tunneling machine cutting
There are one power box, telescopic oil cylinder, cutting speed reducer and cutting motors to be installed in power box in portion, power box
Front and back end is connecting flange, and telescopic device is connected with the shell of cutting speed reducer by front end connecting flange, cutting speed reducer
Input terminal and the output end of cutting motor connected by shaft coupling, shell and the power box rear end connecting flange of cutting motor
Connection, the shell of telescopic oil cylinder are fixedly mounted on the inner wall of power box both sides, and cutting units backplate is mounted on power box
On outer wall；The cylinder rod of telescopic oil cylinder is stretched out power box and is connect with telescopic device, and cutterhead is located at the front end of telescopic device.The hair
The cutterhead of bright patent is driven using motor and speed reducer, and this type of drive energy consumption is big, complicated.
Therefore, there is an urgent need for a kind of cutting part of heading machine driving devices that no frame permanent magnet synchronous motor directly drives to solve above-mentioned skill
Art problem.
Invention content
In view of the above shortcomings of the prior art, it is straight to be to provide a kind of no frame permanent magnet synchronous motor for the purpose of this utility model
The cutting part of heading machine driving device of drive.
The utility model is achieved by the following technical programs.
A kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives, including cutterhead, rotary shaft, institute
Rotary shaft is stated equipped with no frame permanent magnet synchronous motor, the no frame permanent magnet synchronous motor includes stator module, rotor assembly,
The stator module includes stator core and is wrapped in stator winding on stator core, the ring that the stator core is integrally formed
Shape column or annular disk；The stator module is fixedly connected with preceding briquetting and rear briquetting, and the rotor assembly is fixedly mounted on rotation
On axis；The rotary shaft is equipped with boss.
The stator core of the integrally formed circular cylindrical structure is the first stator core, described to be wrapped in the first stator
Stator winding on iron core is the first stator winding；The stator core of the integrally formed ring discoid is the second stator iron
Core, the stator winding being wrapped on the second stator core are the second stator winding.
After powering on, no frame permanent magnet synchronous motor driving rotary shaft rotation, and imparted power to and cut by cantilever
Head is cut, to achieve the purpose that broken coal petrography.
Preferably, the rotary shaft is mounted on the preceding briquetting and the rear briquetting by first bearing and second bearing
On.
Preferably, the rotor assembly includes magnet steel substrate, and the magnet steel substrate is circumferentially distributed on the convex of the rotary shaft
On platform.It is used the boss of rotary shaft as rotor pedestal so that rotary shaft combines together with motor, and transmission power is more stable, energy
Smaller is lost in consume.
The magnet steel substrate provides rotating excitation field for the stator core；Rotating excitation field is provided for first stator core
Magnet steel substrate be arc magnet steel substrate；The magnet steel substrate that rotating excitation field is provided for second stator core is dish type magnet steel base
Plate.
Preferably, the first impeller is equipped between the preceding briquetting and one end of the boss；It is described after briquetting with it is described convex
The second impeller is equipped between the other end of platform.First impeller and second impeller are directly fixedly mounted on the rotary shaft
On.It is mainly used for the heat dissipation work of no frame permanent magnet synchronous motor, no frame permanent magnet synchronous motor will produce largely at runtime
Heat, can seriously affect the service life of motor and there are certain danger if cannot radiate in time.
Preferably, first impeller includes the first blade, first impeller disk, and first blade is distributed on the first impeller
On disk；Second impeller includes the second blade, second impeller disk, and second blade is distributed on second impeller disk；It is described
First blade is with second direction blade on the contrary, first impeller is used for air inlet, the second impeller exhaust.Its purpose exists
In increasing the circulation of air, increase heat dissipation effect.Since the first impeller and the second impeller are directly installed in the rotary shaft
, the first impeller, the second impeller also can be therewith while the no frame permanent magnet synchronous motor drives the rotary shaft rotation
Rotation, reduces the power source of existing fan cooling, and the first blade and the second blade are reversed, in the rotation shaft rotation
During dynamic, first blade plays the role of air inlet, and the second blade plays exhaust, realizes same to no frame permanent magnetism
Walk the effect of electric motor temperature reduction.
Preferably, the stator module further includes stator base, the preceding briquetting and it is described after briquetting respectively with it is described fixed
Sub-base is fixedly connected.
Stator base for installing first stator core is arcuate stator pedestal, for installing second stator
The stator base of iron core is dish type stator base.
Preferably, the stator base is equipped with ventilation hole, the position of the ventilation hole and first impeller and described
The position of second impeller is corresponding, and Air Filter is equipped in the ventilation hole.Ventilation hole makes with the first impeller and the cooperation of the second impeller
With, increase the circulation of air and play the role of flow-disturbing, the air come in from the ventilation hole respectively bypass first blade,
Second blade, to further increase heat dissipation effect, and the Air Filter in the ventilation hole effectively prevents dust and enters nothing
The inside of frame magneto avoids damage of the dust to motor, to extend the service life of motor.
Preferably, the first bearing fixes the circumferential position in the rotary shaft by the preceding briquetting and the first head cover
It sets, the second bearing is fixed on the circumferential position in the rotary shaft by the rear briquetting, the second head cover and stop nut.
Compared with prior art, the beneficial effects of the utility model are：1, it is substituted using no frame permanent magnet synchronous motor
Former driving device is omitted midway drive link, reduces energy loss, increases transfer motion power；2, it installs on the rotary shaft
Impeller, heat dissipation effect is more notable, and easy for installation, reduces power source, synchronous with no frame permanent magnet synchronous motor, work as nothing
Frame permanent magnet synchronous motor powers on when bringing into operation, and impeller also begins to operate, and synchronizes and carries out heat dissipation work；3, this practicality is new
The relatively original cutting units driving device of the structure of type is simpler, is easily installed, easy to disassemble and equipment maintenance.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art do simple introduction, it should be apparent that, it is described below
In attached drawing be some embodiments of the utility model, for those of ordinary skill in the art, do not paying creative labor
Under the premise of dynamic, other drawings may also be obtained based on these drawings.
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 for no frame permanent magnet synchronous motor end view drawing.
Fig. 3 is the structural schematic diagram of the first stator core.
Fig. 4 is the structural schematic diagram of arc magnet steel substrate.
Fig. 5 is the structural schematic diagram of the utility model embodiment 2.
Fig. 6 is the structural schematic diagram of the first impeller.
Fig. 7 is the schematic diagram of the first direction blade.
Fig. 8 is the schematic diagram of the second direction blade.
Fig. 9 is the structural schematic diagram of the utility model embodiment 3.
Figure 10 is the second stator core construction schematic diagram.
Figure 11 is dish type magnet steel board structure schematic diagram.
In figure：1, cutterhead；2, rotary shaft；201, boss；3, without frame permanent magnet synchronous motor；31, stator module；311,
First stator core；312, the first stator winding；313, arcuate stator pedestal；314, ventilation hole；3141, Air Filter；315,
Two stator cores；316, the second stator winding；317, dish type stator base；32, rotor assembly；321, arc magnet steel substrate；
322, dish type magnet steel substrate；4, preceding briquetting；5, rear briquetting；6, first bearing；7, second bearing；8, the first impeller；801, first
Blade；802, first impeller disk；9, the second impeller；901, the second blade；902, second impeller disk；10, the first head cover；11,
Two head covers；12, stop nut；13, cantilever.
Specific implementation mode
Clear, complete description is carried out to the technical solution of various embodiments of the utility model below with reference to attached drawing, it is clear that
Described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is new based on this practicality
The embodiment of type, those of ordinary skill in the art's obtained all other implementation without making creative work
Example, belongs to the range that the utility model is protected.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figs 1-4, a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives, including cutting
First 1, rotary shaft 2, the rotary shaft 2 includes equipped with no frame permanent magnet synchronous motor 3, the no frame permanent magnet synchronous motor 3
Stator module 31, rotor assembly 32, the stator module 31 is including the first stator core 311 and is wrapped in the first stator core
First stator winding 312 on 311, the circular cylindrical structure that first stator core 311 is integrally formed；The stator module
31 are fixedly connected with preceding briquetting 4 and rear briquetting 5, and the rotor assembly 32 is fixedly mounted in rotary shaft 2；In the rotary shaft 2
Equipped with boss 201.
After powering on, no frame permanent magnet synchronous motor 3 drives rotary shaft 2 to rotate, and is transmitted power by cantilever 13
To cutterhead 1, to achieve the purpose that broken coal petrography.
Specifically, the rotary shaft 2 is mounted on the preceding briquetting 4 and the rear pressure by first bearing 6 and second bearing 7
On block 5.
The rotor assembly 32 includes the arc magnet steel substrate 321 that rotating excitation field is provided for first stator core 311,
The arc magnet steel substrate 321 is circumferential to be distributed on the boss 201 of the rotary shaft 2.It regard the boss 201 of rotary shaft 2 as nothing
The rotor pedestal of frame permanent magnet synchronous motor is used so that rotary shaft 2 combines together with no frame permanent magnet synchronous motor, transmits power
It is more stable, energy loss smaller.
The stator module 31 further includes the arcuate stator pedestal 313 for installing the first stator core 311, is pressed before described
Block 4 and the rear briquetting 5 are fixedly connected with the arcuate stator pedestal 313 respectively.
The first bearing 6 fixes the circumferential position in the rotary shaft 2 by 4 and first head cover 10 of the preceding briquetting,
The second bearing 7 is fixed on the circumferential direction in the rotary shaft 2 by the rear briquetting 5, the second head cover 11 and stop nut 12
Position.
First stator core 311, the first stator winding 312, arcuate stator pedestal 313 and rotor assembly 32 are combined as
Without frame permanent-magnet synchronous arc-shaped motor.
After powering on, the arc magnet steel substrate 321 is that first stator core 311 provides a radial rotary
Magnetic field, the no frame permanent-magnet synchronous arc-shaped motor driving rotary shaft 2 rotates, and imparts power to cutterhead by cantilever 13
1, to achieve the purpose that broken coal petrography.
Embodiment 2
As viewed in figures 5-8, a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives, the present embodiment
It is similar with the principle of embodiment 1 and structure, with embodiment 1 difference lies in：One end of the preceding briquetting 4 and the boss 201
Between be equipped with the first impeller 8；The second impeller 9 is equipped with after described between briquetting 5 and the other end of the boss 201.Described first
Impeller 8 and second impeller 9 are directly fixedly mounted in the rotary shaft 2.It is intended that being mainly used for no frame permanent magnetism
The heat dissipation work of synchronous motor, no frame permanent magnet synchronous motor will produce a large amount of heat at runtime, if cannot dissipate in time
Heat can seriously affect the service life of motor and there are certain danger.
First impeller 8 includes the first blade 801, first impeller disk 802, and first blade 801 is distributed on first
On the impeller disk 802；Second impeller 9 includes the second blade 901, second impeller disk 902, and second blade 901 is distributed on
On second impeller disk 902；First blade 801 and 901 direction of the second blade on the contrary, first impeller 8 be used for into
Gas, second impeller 9 are vented.First impeller 8 is fixedly mounted on by first impeller disk 802 in the rotary shaft 2, institute
The second impeller 9 is stated to be fixedly mounted in the rotary shaft 2 by second impeller disk 902.First impeller 8 and the second impeller 9 are installed
Main purpose be increase air circulation, increase heat dissipation effect.Since the first impeller 8 and the second impeller 9 are to be mounted directly
In the rotary shaft 2, while the no frame permanent magnet synchronous motor drives the rotary shaft 2 to rotate the first impeller 8,
Second impeller 9 can also rotate therewith, and reduce the power source of existing fan cooling, and the first blade 801 and the second blade 901
It is reversed, in 2 rotation process of the rotary shaft, first blade 801 plays the role of air inlet, and the second blade 901 rises
To the effect of exhaust, the effect to cool down to no frame permanent magnet synchronous motor is realized.
The arcuate stator pedestal 313 is equipped with ventilation hole 314, the position of the ventilation hole 314 and first impeller 8
And the position of second impeller 9 is corresponding, and Air Filter 3141 is equipped in the ventilation hole 314.The ventilation hole 314 with it is described
First impeller 8 and second impeller 9 are used cooperatively, and are increased the circulation of air and are played detour flow, from the ventilation hole
314 air come in bypass first blade 801, the second blade 901 respectively, to further increase heat dissipation effect, and
Air Filter 3141 in the ventilation hole 314 effectively prevents the inside that dust enters no frame magneto, avoids dust
Damage to motor, to increase the service life of motor.
Embodiment 3
As shown in figs. 9-11, a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives, this implementation
Example is similar with the principle and structure of embodiment 1 or embodiment 2, with embodiment 1 or embodiment 2 difference lies in：The stator pack
Part 31 is fixed including the second stator core 315 and the second stator winding 316 being wrapped on the second stator core 315, described second
The annular disk that sub- iron core 315 is integrally formed；The stator module 31 further includes the dish type for installing the second stator core 315
Stator base 317；The rotor assembly 32 includes the dish type magnet steel substrate 322 that rotating excitation field is provided for the second stator core 315,
The dish type magnet steel substrate 322 is circumferential to be distributed on the boss 201 of the rotary shaft 2.
Second stator core 315, the second stator winding 316, dish type stator base 317 and rotor assembly 32 are combined as
Without the second motor of frame permanent-magnet synchronous.
After powering on, the dish type magnet steel substrate 322 is that second stator core 315 provides an axial-rotation
Magnetic field, the no frame permanent magnet synchronous motor driving rotary shaft 2 rotates, and imparts power to cutterhead 1 by cantilever 13, from
And achieve the purpose that broken coal petrography.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify to the technical solution recorded in previous embodiment, either to which part or all technical features
Carry out equivalent replacement；And these modifications or replacements, the utility model embodiment that it does not separate the essence of the corresponding technical solution
Technical solution.
Claims (8)
1. a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives, including cutterhead, rotary shaft, special
Sign is, the rotary shaft equipped with no frame permanent magnet synchronous motor, the no frame permanent magnet synchronous motor include stator module,
Rotor assembly, the stator module include stator core and the stator winding that is wrapped on stator core, and the stator core is
Integrally formed circular column or annular disk；The stator module is fixedly connected with preceding briquetting and rear briquetting, and the rotor assembly is solid
Dingan County fills on the rotary shaft；The rotary shaft is equipped with boss.
2. a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives according to claim 1, special
Sign is that the rotary shaft is mounted on by first bearing and second bearing on the preceding briquetting and the rear briquetting.
3. a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives according to claim 1, special
Sign is that the rotor assembly includes magnet steel substrate, and the magnet steel substrate is circumferentially distributed on the boss.
4. a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives according to claim 1, special
Sign is, the first impeller is equipped between the preceding briquetting and one end of the boss；The rear briquetting is another with the boss
The second impeller is equipped between end.
5. a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives according to claim 4, special
Sign is that first impeller includes the first blade, first impeller disk, and first blade is distributed on first impeller disk；Institute
It includes the second blade, second impeller disk to state the second impeller, and second blade is distributed on second impeller disk；First impeller
It is fixedly mounted in the rotary shaft by first impeller disk, second impeller is fixedly mounted on by second impeller disk
In the rotary shaft；First blade and second direction blade are on the contrary, first impeller is used for air inlet, and described second
Impeller is for being vented.
6. a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives according to claim 5, special
Sign is that the stator module further includes stator base, and the preceding briquetting and the rear briquetting are solid with the stator base respectively
Fixed connection.
7. a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives according to claim 6, special
Sign is that the stator base is equipped with ventilation hole, the position of the ventilation hole and first impeller and second impeller
Position it is corresponding, Air Filter is equipped in the ventilation hole.
8. a kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives according to claim 2, special
Sign is, the first bearing fixes the circumferential position in the rotary shaft by the preceding briquetting and the first head cover, described
Two bearings are fixed on the circumferential position in the rotary shaft by the rear briquetting, the second head cover and stop nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820165603.0U CN208010341U (en) | 2018-01-31 | 2018-01-31 | A kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820165603.0U CN208010341U (en) | 2018-01-31 | 2018-01-31 | A kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives |
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| Publication Number | Publication Date |
|---|---|
| CN208010341U true CN208010341U (en) | 2018-10-26 |
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ID=63885633
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820165603.0U Active CN208010341U (en) | 2018-01-31 | 2018-01-31 | A kind of cutting part of heading machine driving device that no frame permanent magnet synchronous motor directly drives |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222932A (en) * | 2018-01-31 | 2018-06-29 | 湖北环电磁装备工程技术有限公司 | The cutting part of heading machine driving device that a kind of no frame permanent magnet synchronous motor directly drives |
| CN111828034A (en) * | 2020-07-13 | 2020-10-27 | 侯小柱 | Tunnel boring machine cutterhead |
-
2018
- 2018-01-31 CN CN201820165603.0U patent/CN208010341U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222932A (en) * | 2018-01-31 | 2018-06-29 | 湖北环电磁装备工程技术有限公司 | The cutting part of heading machine driving device that a kind of no frame permanent magnet synchronous motor directly drives |
| CN111828034A (en) * | 2020-07-13 | 2020-10-27 | 侯小柱 | Tunnel boring machine cutterhead |
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