CN205991086U - Torsion shaft and dual gear structure and booster engine - Google Patents
Torsion shaft and dual gear structure and booster engine Download PDFInfo
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- CN205991086U CN205991086U CN201621024244.4U CN201621024244U CN205991086U CN 205991086 U CN205991086 U CN 205991086U CN 201621024244 U CN201621024244 U CN 201621024244U CN 205991086 U CN205991086 U CN 205991086U
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Abstract
This utility model is related to technical field of mechanical transmission, particularly to a kind of torsion shaft and dual gear structure and booster engine.This torsion shaft includes：Connecting post；Multiple gear teeth are uniformly installed with the side face of one end of described connecting post, the other end is fixedly installed flange along the axis direction perpendicular to described connecting post；Described flange has multiple connecting holes；Described connecting hole extends along the axis of described connecting post.This dual gear structure includes pinion shaft, gear wheel, connector and described torsion shaft.Described booster engine includes described dual gear structure.The purpose of this utility model is to provide a kind of torsion shaft and dual gear structure and booster engine, by improving torsion shaft, big with the axial dimension that solves torsion shaft load balancing mechanism in prior art, structure is more complicated, processing cost is higher technical problem.
Description
Technical field
This utility model is related to technical field of mechanical transmission, particularly to a kind of torsion shaft and dual gear structure and speedup
Machine.
Background technology
Planet circular system is in the plant equipment of the departments such as national defence, metallurgy, lifting transport, mine, chemical industry, light textile, building industry
In, increasingly it is widely applied.Wherein, NW type compound planetary structure has efficiency high, and overall dimensions are little, gear range
Greatly, the advantages of be widely used；But because the large and small planetary gear of this planetary structure is dual gear structure, manufacture, installation are more tired
Difficult.For this reason, typically adopting the fabricated construction of large and small planetary gear separate machined, during assembling, generally require the large and small planetary gear of adjustment
Phase place can smoothly be loaded with ensureing sun gear, the position adjustment of large and small planetary gear typically adopts interference to connect；In sun gear
When being simultaneously engaged with multiple planetary gears, load non-uniform phenomenon is had using the dual gear structure that interference connects.
In prior art, carried by solving to exist using the dual gear structure that interference connects using torsion shaft load balancing mechanism
Lotus non-uniform phenomenon.Fig. 1 is the schematic diagram of existing torsion shaft load balancing mechanism；As shown in figure 1, by large and small planetary gear
On the basis of dual gear structure, increase the torsion shaft 1 ' of transmitting torque, this torsion shaft 1 ' is placed on the little of hollow-core construction
In the endoporus of gear shaft 2 ' (there is asteroid wheel), coupled with pinion shaft 2 ' by spline, pass through simultaneously expanding structure 3 ' with
Gear wheel 4 ' (i.e. major planet wheel) is connected so that the moment of torsion between pinion shaft 2 ' and gear wheel 4 ' passes through torsion shaft 1 ' to pass
Pass, namely make the moment of torsion between big asteroid wheel pass through torsion shaft 1 ' to transmit；This torsion shaft 1 ' is under machine rated load
Torsional deflection angle be far longer than by the torsional deflection angle of various error products, thus automatically compensate making the load of each planetary gear
Lotus is uniform；The support of gear wheel 4 ' and radial force to be born by the pinion shaft 2 ' of hollow-core construction, and gear wheel 4 ' is little with hollow
Gear shaft 2 ', using the cooperation of more close gap, both ensures the precision positioning each other, can realize relatively rotating again.
To sum up, this torsion shaft load balancing mechanism can be very good to solve the problems, such as NW type compound planetary structure gear all loads；But
Be, torsion shaft and gear wheel be connected by expanding structure, take that axial dimension is big, structure is more complicated, and processing cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of torsion shaft, to solve the axle of torsion shaft load balancing mechanism in prior art
The technical problem big to size, structure is more complicated, processing cost is higher.
The purpose of this utility model also resides in a kind of dual gear structure of offer and booster engine, by improving torsion shaft, with
The technical problem that in solution prior art, the axial dimension of torsion shaft load balancing mechanism is big, structure is more complicated, processing cost is higher.
This utility model provides a kind of torsion shaft, including：Connecting post；
Multiple gear teeth are uniformly installed with the side face of one end of described connecting post, the other end is along perpendicular to described connecting post
Axis direction is fixedly installed flange；
Described flange has multiple connecting holes；Described connecting hole extends along the axis of described connecting post.
Further, the section of described flange is in disk form, and the axis of described flange is common with the axis of described connecting post
Line.
Further, described connecting hole includes multiple circular holes；
Along the circumference of described connecting post, the plurality of circular hole is uniformly arranged on described flange.
Further, described circular hole includes the first circular hole and the second circular hole；Described first circular hole is used for grafting pin；Described
Second circular hole is used for grafting bolt；
Along the circumference of described connecting post, multiple described first circular holes and multiple described second circular hole are uniformly arranged on described convex
On edge.
Further, described connecting hole also includes multiple slotted holes；
Along the circumference of described connecting post, the plurality of slotted hole is uniformly arranged on described flange；
With the axis of described connecting post for center of circle line, the corresponding central angle of described slotted hole is no less than the tooth pitch of the described gear teeth
Corresponding central angle.
Further, the plurality of circular hole and the plurality of slotted hole are arranged on same circumference.
Further, the described gear teeth protrude from described connecting post.
Further, described flange is connected with described connecting post rounding off.
This utility model also provides a kind of dual gear structure, including pinion shaft, gear wheel, connector and described torsion
Axle；
Described pinion shaft has axocoel；Described axocoel is along the axially extending of described pinion shaft and both ends open；
Described torsion shaft is arranged in described axocoel, and multiple internal tooths of multiple gear teeth of described torsion shaft and described axocoel
Engagement；
It is enclosed within described pinion shaft outside described gear wheel, and described gear wheel and the cooperation of described pinion shaft gap；
The connecting hole of torsion shaft described in described connector grafting, and be connected with described gear wheel.
This utility model also provides a kind of booster engine, including described dual gear structure.
Torsion shaft and dual gear structure and booster engine that this utility model provides, by being placed on hollow knot by torsion shaft
In the axocoel of the pinion shaft of structure, and multiple gear teeth of torsion shaft are connected with multiple internal tooth engagements of the axocoel of pinion shaft, with
Make torsion shaft can transmit the torsion of pinion shaft；The connection being connected with gear wheel by grafting in the connecting hole of torsion shaft
Part, so that torsion shaft is fixedly connected with gear wheel, so that torsion shaft can transmit the torsion of gear wheel；Wherein it is enclosed within outside gear wheel
On pinion shaft, and gear wheel is coordinated with pinion shaft gap, so that torsion shaft transmits the torsion between pinion shaft and gear wheel
Power；Torsional deflection angle under machine rated load for this torsion shaft is far longer than by the torsional deflection angle of various error products
Degree, makes the uniform load of pinion shaft and gear wheel with automatic compensation, solves the dual gear structure using interference connects and deposits
In load non-uniform phenomenon；By the connector such as flange, connecting hole and bolt, pin so that torsion shaft and gear wheel are fixing even
Connect, instead of and torsion shaft and gear wheel are fixedly connected by expanding structure, simplify the connection knot between torsion shaft and gear wheel
Structure, reduces difficulty of processing, also shortens the axial dimension of torsion shaft simultaneously, and then reduces processing charges, alleviates weight.
Brief description
The accompanying drawing constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used for explaining this utility model, does not constitute to improper restriction of the present utility model.?
In accompanying drawing：
Fig. 1 is the schematic diagram of existing torsion shaft load balancing mechanism；
Fig. 2 is the perspective view of the torsion shaft of this utility model embodiment one；
Fig. 3 is the front view of the torsion shaft of this utility model embodiment one；
Fig. 4 is the right view of the torsion shaft of this utility model embodiment one；
Fig. 5 is another right view of the torsion shaft of this utility model embodiment one.
In figure：
1 '-torsion shaft；2 '-pinion shaft；3 '-expanding structure；
4 '-gear wheel；
110- connecting post；The 120- gear teeth；130- flange；
140- connecting hole；
141- first circular hole；142- second circular hole；143- slotted hole；
210- pinion shaft；220- gear wheel；
230- connector；231- pin；232- bolt.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.To describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning in this utility model for the language.
Embodiment one
Referring to shown in Fig. 2-Fig. 4, the torsion shaft that the present embodiment provides, including connecting post 110.
Multiple gear teeth 120 are uniformly installed with the side face of one end of connecting post 110, the gear teeth 120 are used for and pinion shaft 210
Engagement connects, and will pass through the torsion that connecting post 110 transmits pinion shaft 210, namely transmits pinion shaft 210 by torsion shaft
Torsion；The other end of connecting post 110 is fixedly installed flange 130 along the axis direction perpendicular to connecting post 110；Namely edge is vertical
Directly in the axis direction of connecting post 110, the area of section of flange 130 is more than the area of section of connecting post 110.
Flange 130 has multiple connecting holes 140；Connecting hole 140 extends along the axis of connecting post 110, and connecting hole 140 is used
The connector 230 being connected with gear wheel 220 in grafting, is connected fixing to flange 130 and gear wheel 220 with will pass through connector 230
Connect, and then so that connecting post 110 is fixedly connected with gear wheel 220, to transmit the torsion of gear wheel 220 by connecting post 110, namely
Transmit the torsion of gear wheel 220 by torsion shaft.Wherein, this connector 230 can be for example bolt 232, screw, pin 231
Deng.
Torsion shaft described in the present embodiment, in the axocoel by the pinion shaft 210 that torsion shaft is placed on hollow-core construction,
And multiple gear teeth 120 of torsion shaft are connected with multiple internal tooth engagements of the axocoel of pinion shaft 210, so that torsion shaft can be transmitted
The torsion of pinion shaft 210；The connector 230 being connected with gear wheel 220 by grafting in the connecting hole 140 of torsion shaft, with
Torsion shaft is made to be fixedly connected with gear wheel 220, so that torsion shaft can transmit the torsion of gear wheel 220；Wherein outside gear wheel 220
It is enclosed within pinion shaft 210, and gear wheel 220 and the cooperation of pinion shaft 210 gap, so that torsion shaft transmission pinion shaft 210
Torsion and gear wheel 220 between；Torsional deflection angle under machine rated load for this torsion shaft is far longer than by various mistakes
The torsional deflection angle of difference product, is made the uniform load of pinion shaft 210 and gear wheel 220, solves employing with automatic compensation
There is load non-uniform phenomenon in the dual gear structure that interference connects；By flange 130, connecting hole 140 and bolt 232, pin
231 grade connectors 230, so that torsion shaft is fixedly connected with gear wheel 220, instead of and are fixedly connected torsion shaft by expanding structure
With gear wheel 220, simplify the attachment structure between torsion shaft and gear wheel 220, reduce difficulty of processing, also shorten simultaneously
The axial dimension of torsion shaft, and then reduce processing charges, alleviate weight.
In the alternative of the present embodiment, the gear teeth 120 are the key teeth of spline, namely connecting post 110 passes through spline and little tooth
Wheel shaft 210 engagement connects.Spline connection have stress more uniformly, bear that larger and axle the centering of load is good, key teeth tooth
The advantages of at root, stress concentration is less, connecting post 110 is less with the strength reduction of pinion shaft 210, transmission torque is big.Spline
Key teeth quantity can be for example 3,4,5,8,12 etc..Further, spline is cylindrical straight gear involute spline.
It will be understood by those skilled in the art that the gear teeth 120 can also be the tooth of gear；The bearing capacity of gear and efficiency are all
Higher it is also possible to the torsion between torsion shaft and pinion shaft 210 is transmitted by gear.
In the alternative of the present embodiment, the section of flange 130 for example can for disc, polygon, star or its
His shape；Preferably, the section of flange 130 is in disk form, and the axis collinear of the axis of flange 130 and connecting post 110, so that
The center of gravity of flange 130 is located on the axis of connecting post 110, so that torsion shaft is more stable when rotating transmission torsion.
In the alternative of the present embodiment, connecting hole 140 includes multiple circular holes；By arranging circular hole, in order to bolt
232nd, the connector such as pin 231 230 grafting being connected with gear wheel 220.
Along the circumference of connecting post 110, multiple circular holes are uniformly arranged on flange 130.By multiple circular holes are uniformly arranged
On flange 130, so that the center of gravity of flange 130 is located on the axis of connecting post 110, so that torsion shaft is when rotating transmission torsion
More stable.
Further, circular hole includes the first circular hole 141 and the second circular hole 142；First circular hole 141 is used for grafting and gear wheel
The pin 231 of 220 connections；Second circular hole 142 is used for the grafting bolt 232 being connected with gear wheel 220；By arranging the first circular hole
141 and second circular hole 142 so that by pin 231 along connecting post 110 radial direction connect, locating flange 130 and gear wheel
220, by bolt 232 along the radial direction of connecting post 110, axial direction flange connector 130 and gear wheel 220.
Along the circumference of connecting post 110, multiple first circular holes 141 and multiple second circular hole 142 are uniformly arranged on flange 130
On, so that the center of gravity of flange 130 is located on the axis of connecting post 110, so that torsion shaft is more stable when rotating transmission torsion.
First circular hole 141 and the aperture of the second circular hole 142 can identical it is also possible to different.
Preferably, connecting hole 140 also includes multiple slotted holes 143；So that the position of the adjustment gear teeth 120, make slotted hole 143
Align with the bolt hole of gear wheel 220.The quantity of slotted hole 143 can be for example 2,3,5,6 etc..
Along the circumference of connecting post 110, multiple slotted holes 143 are uniformly arranged on flange 130；So that the center of gravity of flange 130
On the axis of connecting post 110, so that torsion shaft is more stable when rotating transmission torsion.
Further, with the axis of connecting post 110 for center of circle line, the corresponding central angle of slotted hole 143 is no less than the gear teeth 120
The corresponding central angle of tooth pitch；Can meet in order to slotted hole 143 and cover the arbitrarily angled of the adjustment gear teeth 120.
Wherein, slotted hole 143 can be for example including two sections of parallel straightways, and includes corresponding to described two sections of connection
Two sections of arc sections at the two ends of straightway；This corresponding central angle of slotted hole 143 is the corresponding central angle in straightway two ends.
Slotted hole 143 can also be including two section of first parallel arc section, and includes corresponding connecting described two sections the
Two section of second arc section at the two ends of one arc section, the center of circle of two section of first arc section is located on the axis of connecting post 110；This length
The corresponding central angle of circular hole 143 is the corresponding central angle in the first arc section two ends.
The corresponding central angle of tooth pitch of the gear teeth 120, for often rotating gear teeth 120, the angle that connecting post 110 rotates.
Preferably, multiple circular holes and multiple slotted holes 143 are arranged on same circumference.Production in order to flange 130 adds
Work, and then it is easy to the production and processing of torsion shaft.
In the alternative of the present embodiment, the gear teeth 120 protrude from connecting post 110.In order to connect torsion by the gear teeth 120
Axle and pinion shaft 210, so that torsion shaft preferably transmits the torsion of pinion shaft 210.
Further, flange 130 and connecting post 110 are integrally formed, and flange 130 is connected with connecting post 110 rounding off；By
Adopt gap to coordinate in gear wheel 220 and pinion shaft 210, by the flange 130 of rounding off so that gear wheel 220 with little
Gear shaft 210 connects more stable, and rounding off can also reduce the stress of flange 130 and connecting post 110 junction simultaneously.
In order to more be apparent from the present embodiment, illustrated below：
Shown in Figure 5, torsion shaft adopts 12 M24 bolts 232 and 12 diameter 30mm pins 231 with gear wheel 220
Connection, the reference diameter of gear wheel 220 is 500, and the number of teeth of the torsion shaft gear teeth 120 is 42.Gear wheel is fixed in first optional position
220, so that slotted hole 143 and the bolt hole of gear wheel 220 is alignd by adjusting the torsion shaft gear teeth 120 position；Often rotate one
The gear teeth 120, the angle of rotation is 360/42=8.57 °, namely the corresponding central angle of tooth pitch of the gear teeth 120 is 8.57 °.Therefore,
As long as the angle [alpha] of the corresponding central angle of slotted hole 143 can meet more than or equal to 8.57 ° adjustment the gear teeth 120 position make oval
Hole 143 covers arbitrarily angled.
Shown in Fig. 5, make the angle [alpha] of the corresponding central angle of slotted hole 143 be equal to 8.57 °, in torsion shaft slotted hole 143 with big
The angle beta of the corresponding central angle of gear 220 upper bolt hole is 9.27 °, therefore the two of the rotate counterclockwise torsion shaft gear teeth 120 tooth
Away from corresponding central angle, that is, rotate 8.57*2=17.14 °, after rotation, slotted hole 143 left end and the angle of bolt hole are
17.14-9.27=7.87 °, less than 8.57 ° of the angle of the corresponding central angle of slotted hole 143, bolt 232 can be screwed into.
Embodiment two
Embodiment two provides a kind of dual gear structure, and this embodiment includes the torsion shaft described in embodiment one, implements
The technical characteristic of the torsion shaft disclosed in example one is also applied for this embodiment, the technical characteristic of the published torsion shaft of embodiment one
It is not repeated to describe.
The dual gear structure that the present embodiment provides, including pinion shaft, gear wheel, connector and torsion shaft.Little gear
Axle has axocoel；Axocoel is along the axially extending of pinion shaft and both ends open；Torsion shaft is arranged in axocoel, and torsion shaft is many
The individual gear teeth are engaged with multiple internal tooths of axocoel；It is enclosed within pinion shaft outside gear wheel, and gear wheel is coordinated with pinion shaft gap；
The connecting hole of connector grafting torsion shaft, and be connected with gear wheel.
Dual gear structure described in the present embodiment, by improving torsion shaft, is all carried with solving torsion shaft in prior art
The technical problem that the axial dimension of mechanism is big, structure is more complicated, processing cost is higher.Dual gear structure described in the present embodiment
There is torsion shaft described in embodiment one, the advantage here of the described torsion shaft disclosed in embodiment one is not repeated to retouch
State.
Embodiment three
Embodiment three provides a kind of booster engine, and this embodiment includes the dual gear structure described in embodiment two, implements
The technical characteristic of the dual gear structure disclosed in example two is also applied for this embodiment, the published duplex-gear rolling hitch of embodiment two
The technical characteristic of structure is not repeated to describe.
The booster engine that the present embodiment provides, including dual gear structure, described dual gear structure includes torsion shaft.This reality
Apply the booster engine of example offer, by improving torsion shaft, so that the axial dimension that solves torsion shaft load balancing mechanism in prior art is big, knot
The technical problem that structure is more complicated, processing cost is higher.Booster engine described in the present embodiment has torsion shaft, reality described in embodiment one
The advantage applying dual gear structure described in example two, the described torsion shaft disclosed in embodiment one, duplicate gear described in embodiment two
The advantage here of structure is not repeated to describe.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of torsion shaft is it is characterised in that include：Connecting post (110)；
Multiple gear teeth (120) are uniformly installed with the side face of one end of described connecting post (110), the other end is along perpendicular to described company
The axis direction connecing post (110) is fixedly installed flange (130)；
Described flange (130) has multiple connecting holes (140)；Described connecting hole (140) is prolonged along the axis of described connecting post (110)
Stretch.
2. torsion shaft according to claim 1 is it is characterised in that the section of described flange (130) is in disk form and described
The axis of flange (130) and the axis collinear of described connecting post (110).
3. torsion shaft according to claim 1 is it is characterised in that described connecting hole (140) includes multiple circular holes；
Along the circumference of described connecting post (110), the plurality of circular hole is uniformly arranged on described flange (130).
4. torsion shaft according to claim 3 is it is characterised in that described circular hole includes the first circular hole (141) and the second circle
Hole (142)；Described first circular hole (141) is used for grafting pin (231)；Described second circular hole (142) is used for grafting bolt
(232)；
Along the circumference of described connecting post (110), multiple described first circular holes (141) and multiple described second circular hole (142) are uniformly
It is arranged on described flange (130).
5. torsion shaft according to claim 3 is it is characterised in that described connecting hole (140) also includes multiple slotted holes
(143)；
Along the circumference of described connecting post (110), the plurality of slotted hole (143) is uniformly arranged on described flange (130)；
With the axis of described connecting post (110) for center of circle line, the corresponding central angle of described slotted hole (143) is no less than the described gear teeth
(120) the corresponding central angle of tooth pitch.
6. torsion shaft according to claim 5 is it is characterised in that the plurality of circular hole and the plurality of slotted hole (143)
It is arranged on same circumference.
7. the torsion shaft according to any one of claim 1-6 is it is characterised in that the described gear teeth (120) protrude from described company
Connect post (110).
8. torsion shaft according to claim 7 is it is characterised in that described flange (130) is round and smooth with described connecting post (110)
Transition connects.
9. a kind of dual gear structure it is characterised in that include pinion shaft (210), gear wheel (220), connector (230) and
Torsion shaft described in any one of claim 1-8；
Described pinion shaft (210) has axocoel；Described axocoel is opened along the axially extending and two ends of described pinion shaft (210)
Mouthful；
Described torsion shaft is arranged in described axocoel, and multiple gear teeth (120) of described torsion shaft and described axocoel is multiple interior
Tooth engages；
It is enclosed within described pinion shaft (210) outside described gear wheel (220), and described gear wheel (220) and described pinion shaft
(210) gap cooperation；
The connecting hole (140) of torsion shaft described in the grafting of described connector (230), and be connected with described gear wheel (220).
10. a kind of booster engine is it is characterised in that include the dual gear structure described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024244.4U CN205991086U (en) | 2016-08-31 | 2016-08-31 | Torsion shaft and dual gear structure and booster engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024244.4U CN205991086U (en) | 2016-08-31 | 2016-08-31 | Torsion shaft and dual gear structure and booster engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991086U true CN205991086U (en) | 2017-03-01 |
Family
ID=58104902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621024244.4U Active CN205991086U (en) | 2016-08-31 | 2016-08-31 | Torsion shaft and dual gear structure and booster engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566655A (en) * | 2019-10-10 | 2019-12-13 | 河南柴油机重工有限责任公司 | Connecting structure of intermediate duplicate gear of engine |
| CN111637144A (en) * | 2020-05-30 | 2020-09-08 | 上海建桥学院 | Gear shaft part and machining method thereof |
-
2016
- 2016-08-31 CN CN201621024244.4U patent/CN205991086U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566655A (en) * | 2019-10-10 | 2019-12-13 | 河南柴油机重工有限责任公司 | Connecting structure of intermediate duplicate gear of engine |
| CN111637144A (en) * | 2020-05-30 | 2020-09-08 | 上海建桥学院 | Gear shaft part and machining method thereof |
| CN111637144B (en) * | 2020-05-30 | 2024-02-27 | 上海建桥学院 | Gear shaft part and processing method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee after: Sany Heavy Energy Co.,Ltd. Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY ENERGY Co.,Ltd. Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee after: SANY HEAVY ENERGY Co.,Ltd. Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |