CN105650141B - Overload protection arrangement and shaft coupling - Google Patents
Overload protection arrangement and shaft coupling Download PDFInfo
- Publication number
- CN105650141B CN105650141B CN201610214159.2A CN201610214159A CN105650141B CN 105650141 B CN105650141 B CN 105650141B CN 201610214159 A CN201610214159 A CN 201610214159A CN 105650141 B CN105650141 B CN 105650141B
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- China
- Prior art keywords
- connecting flange
- interconnecting piece
- connector
- bolt
- shaft coupling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D9/00—Couplings with safety member for disconnecting, e.g. breaking or melting member
- F16D9/06—Couplings with safety member for disconnecting, e.g. breaking or melting member by breaking due to shear stress
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention relates to mechanical part technical fields, more particularly, to a kind of overload protection arrangement and shaft coupling.Overload protection arrangement provided by the invention, including the first connecting flange, the second connecting flange and connector；First connecting flange and the second connecting flange are respectively used to connect with the driving shaft interconnecting piece of shaft coupling and the connection of the driven shaft interconnecting piece of shaft coupling, connector connect the first connecting flange and the second connecting flange；When the torque that connector is subject to ultimate torque preset more than the overload protection arrangement, connector disconnects.In transmission when moment overload, connector fracture to protect entire transmission system and apparatus, avoids property loss, protects personnel safety the device；Also, the apparatus structure is simple, at low cost, after connector damage, only needs to change repair connector, without dismantling or replacing shaft coupling, operating process is efficient and convenient, greatly reduces the amount of labour, improves efficiency, reduces use cost.
Description
Technical field
The present invention relates to mechanical part technical fields, more particularly, to a kind of overload protection arrangement and shaft coupling.
Background technology
The traditional shaft coupling of connector generally use for connecting power output shaft and power input shaft, shaft coupling is by two
Half portion is grouped as, i.e. driving shaft interconnecting piece and driven shaft interconnecting piece, due to by other factors between actual transmission system
It influences, the case where overload is will appear in power train process, traditional shaft coupling can not provide protection, so as to cause power train
System damage；Or correspondingly safety guard is set in transmission system, but this so that device structure is more complicated, at
This higher.
To solve the above problems, in the prior art, begin to use a kind of shaft coupling with overload protection function, such connection
Axis device can play certain protective role when being driven moment overload to transmission system, still, the overload protection of such shaft coupling
Structure setting is inside shaft coupling so that shaft coupling it is complicated, it is of high cost；When the overcurrent protection structure of such shaft coupling damages
Bad when, needs to carry out detachable maintaining by other tools or using specific process, and process is cumbersome, or even needs replacing entire
Axis device, higher operating costs.
Invention content
The purpose of the present invention is to provide overload protection arrangement and shaft coupling, to solve existing in the prior art to have
Carry the complicated of defencive function shaft coupling, installation, dismounting and maintenance difficult, the high technical problem of use cost.
Overload protection arrangement provided by the invention, including the first connecting flange, the second connecting flange and connector；Connector
It is all connected with the first connecting flange and the second connecting flange, the first connecting flange is used to connect with the driving shaft interconnecting piece of shaft coupling
It connects, the second connecting flange with the driven shaft interconnecting piece of shaft coupling for connecting；When the torque that connector is subject to is more than preset pole
When limited torque, the connector disconnects.
Further, connector includes multiple matched screw bolt and nut, and multiple are provided on the first connecting flange
One connection screw thread hole is provided with multiple second connection screw thread holes on the second connecting flange；One bolt is threaded through one first company
It connects in threaded hole and second connection screw thread hole, the tail portion of each bolt is all connected with that there are one nuts.
Further, it is provided with the first threaded hole on the first connecting flange, the first threaded hole and connection is threaded through using screw
In the connecting hole of the driving shaft interconnecting piece of axis device, the driving shaft interconnecting piece of the first connecting flange and shaft coupling is fixed.
Further, it is provided with the second threaded hole on the second connecting flange, the second threaded hole and connection is threaded through using screw
In the connecting hole of the driven shaft interconnecting piece of axis device, the driven shaft interconnecting piece of the second connecting flange and shaft coupling is fixed.
Further, the first threaded hole is three, and three the first threaded holes are triangular in shape to be arranged on the first connecting flange.
Further, the second threaded hole is three, and three the second threaded holes are triangular in shape to be arranged in second connection method
Lan Shang.
Further, the first connecting flange includes the first chassis and the first protrusion, and the first chassis is triangular in shape, the first chassis
Three apex angles be both provided with the first protrusion, be respectively provided with that there are one the first threaded holes in each first protrusion；The three of first chassis
It is both provided with multiple first connection screw thread holes on side；Second connecting flange includes the second chassis and the second protrusion, the second chassis
Triangular in shape, three apex angles on the second chassis are both provided with the second protrusion, and each second protrusion is respectively provided with that there are one the second screw threads
Hole；It is both provided with multiple second connection screw thread holes on three sides on the second chassis.
Further, it is both provided with the first reinforcing rib between each two adjacent first protrusion, each two adjacent second
The second reinforcing rib is both provided between protrusion.
Further, bolt includes the first bolt and the second bolt, nut include for the first bolt matched the
One nut and be used for and matched second nut of the second bolt；The setting that multiple first bolts and multiple second bolts interlock
On the first connecting flange and the second connecting flange, and the head of the first adjacent bolt and the head of the second bolt are located at
The both sides of first connecting flange.
Shaft coupling provided by the invention, including driving shaft interconnecting piece and driven shaft interconnecting piece further include mistake as described above
Carry protective device, the active axis connection of driving shaft interconnecting piece and transmission system, the driven shaft of driven shaft interconnecting piece and transmission system
Connection；Driving shaft interconnecting piece is connect with the first connecting flange, and driven shaft interconnecting piece is connect with the second connecting flange.
Overload protection arrangement provided by the invention, including the first connecting flange, the second connecting flange and connector；First connects
Acting flange and the second connecting flange are respectively used to connect with the driving shaft interconnecting piece of shaft coupling and the driven shaft interconnecting piece of shaft coupling
Connection, connector connect the first connecting flange and the second connecting flange；When the torque that connector is subject to is more than the overload protection
When the preset ultimate torque of device, connector disconnects.The device is in transmission when moment overload, and connector is broken, to protect
Entire transmission system and apparatus, avoid property loss, protect personnel safety；Also, the apparatus structure is simple, cost
It is low, after connector damages, repair connector is only needed to change, without dismantling or replacing shaft coupling, operating process is fast square
Just, the amount of labour is greatly reduced, efficiency is improved, reduces use cost.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view of overload protection arrangement provided in an embodiment of the present invention；
Fig. 2 is the side view of overload protection arrangement shown in FIG. 1；
Fig. 3 is the sectional view of overload protection arrangement shown in FIG. 1；
Fig. 4 is the structural schematic diagram of overload protection arrangement shown in FIG. 1.
Reference numeral：
The first connecting flanges of 1-；The second connecting flanges of 2-；3- connectors；
The first connection screw thread holes of 11-；The first threaded holes of 12-；The first chassis 13-；
The first protrusions of 14-；The first reinforcing ribs of 15-；The second connection screw thread holes of 21-；
The second threaded holes of 22-；The second chassis 23-；The second protrusions of 24-；
The second reinforcing ribs of 25-；31- bolts；32- nuts.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is 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 " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the front view of overload protection arrangement provided in an embodiment of the present invention, and Fig. 2 fills for overload protection shown in FIG. 1
The side view set, Fig. 4 are the structural schematic diagram of overload protection arrangement shown in FIG. 1.As shown in Figure 1, Figure 2 and Figure 4, the present invention carries
The overload protection arrangement of confession, including the first connecting flange 1, the second connecting flange 2 and connector 3；Connector 3 and the first connection method
Orchid 1 and the second connecting flange 2 are all connected with, and the first connecting flange 1 with the driving shaft interconnecting piece of shaft coupling for connecting, the second connection
Flange 2 with the driven shaft interconnecting piece of shaft coupling for connecting；When the torque that connector 3 is subject to is more than preset ultimate torque,
The connector 3 disconnects.
Wherein, the material of the first connecting flange 1 and the second connecting flange 2 all can be a variety of, such as：Steel, iron or aluminium
Alloy etc..
The structure type of first connecting flange 1 and the second connecting flange 2 all can be a variety of, such as：Plate-like, it is U-shaped or
Person's T-type etc..
It should be noted that the structure type of the first connecting flange 1 and the second connecting flange 2 can be the same or different,
Preferably use identical structure type, so that the compound with regular structure good appearance of the overload protection arrangement, it is easy to process.
First connecting flange 1 and the connection type of the active interconnecting piece of shaft coupling and the second connecting flange 2 and shaft coupling
The connection type of driven shaft interconnecting piece all can be a variety of, such as：Directly connecting flange and shaft coupling are welded；Preferably
Using being detachably connected, which is convenient for changing part, and there are many forms, such as by buckling connecting flange and connection
Axis device connects, and internal thread is for another example arranged on connecting flange, setting and the matched external screw thread of internal thread on shaft coupling, will
Connecting flange is tightened on shaft coupling.
There are many structure types of connector 3, such as：Connecting pin or screw etc..
Ultimate torque refers to the peak torque that transmission system allows under conditions of ensureing that transmission can be normally carried out,
The peak torque that the overload protection arrangement can bear, people can according to concrete application situation come setting limit torque, into
And the intensity of connector 3 is determined according to preset ultimate torque, when the torque that connector 3 is born in transmission process is more than pole
When limited torque, connector 3 is broken.
When using overload protection arrangement provided by the invention, by the active axis connection of the first connecting flange 1 and shaft coupling
Portion is connected and fixed, and the driven shaft interconnecting piece of the second connecting flange 2 and shaft coupling is connected and fixed, then by connector 3 by
One connecting flange 1 and the connection of the second connecting flange 2, starting power source can be such that transmission system works normally；When overloading moment,
When the torque that i.e. connector 3 is subject to is more than preset ultimate torque, connector 3 is broken, and transmission stops, to protect power train
System, protects apparatus, also protects the safety of staff.
The overload protection arrangement, simple in structure, easy processing are at low cost；And after transmission overload causes connector 3 to damage,
Repair and replacement connector 3, without dismantling or replacing shaft coupling, to keep overload protection arrangement repair efficient and convenient, greatly
Production efficiency is improved greatly, reduces use cost.
Fig. 3 is the sectional view of overload protection arrangement shown in FIG. 1.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in above-mentioned implementation
On example basis, further, connector 3 includes multiple matched bolts 31 and nut 32, is arranged on the first connecting flange 1
There are multiple first connection screw thread holes 11, multiple second connection screw thread holes 21 are provided on the second connecting flange 2；One bolt 31 is worn
It is located in first connection screw thread hole 11 and second connection screw thread hole 21, there are one the tail portion of each bolt 31 is all connected with
Nut 32.
Wherein, the quantity and position of the first connection screw thread hole 11 and the second connection screw thread hole 21 can be set as the case may be
It sets.Bolt 31 is sequentially passed through into the first connection screw thread hole 11 and the second connection screw thread hole 21 or bolt 31 is sequentially passed through second
Connection screw thread hole 21 and the first connection screw thread hole 11, then locked bolt 31 with nut 32, to by the first connecting flange 1 and the
Two connecting flanges 2 are connected and fixed.
Bolt 31 and nut 32 process simple at low cost, installation and removal convenience, make overload protection dress provided by the invention
It sets installation and repair is more convenient.
As shown in Figure 3 and Figure 4, on above-described embodiment basis, further, is provided on the first connecting flange 1
One threaded hole 12 is threaded through using screw in the connecting hole of the driving shaft interconnecting piece of the first threaded hole 12 and shaft coupling, by
The driving shaft interconnecting piece of one connecting flange 1 and shaft coupling is fixed.
Wherein, the quantity of the first threaded hole 12 can be for 1,2 or multiple.
It inserts screws into the connecting hole of the active connection part of the first threaded hole 12 and shaft coupling, to which the two be fixed,
Connection type easy processing simple in structure, installing and dismounting process is simple, and staff is facilitated to operate.
As shown in Figure 3 and Figure 4, on above-described embodiment basis further, it is provided with second on the second connecting flange 2
Threaded hole 22 is threaded through in the connecting hole of the driven shaft interconnecting piece of the second threaded hole 22 and shaft coupling using screw, by second
The driven shaft interconnecting piece of connecting flange 2 and shaft coupling is fixed.
Wherein, the quantity of the second threaded hole 22 can be for 1,2 or multiple.
It inserts screws into the connecting hole of the active connection part of the second threaded hole 22 and shaft coupling, to which the two be fixed,
The connection type is simple in structure, and installing and dismounting process is simple, and staff is facilitated to operate.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, on above-described embodiment basis further, the first threaded hole 12 is three
A, three 12 settings triangular in shape of the first threaded hole are on the first connecting flange 1.
Wherein, the first threaded hole 12 is three and is in triangular shape, which makes the first connecting flange 1 be connected with shaft coupling
Stablize, makes stable drive.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, on above-described embodiment basis further, the second threaded hole 22 is three
A, three 22 settings triangular in shape of the second threaded hole are on second connecting flange 2.
Wherein, the second threaded hole 22 is three and is in triangular shape, which makes the company of the second connecting flange 2 and shaft coupling
Stabilization is connect, stable drive is made.
It should be noted that the quantity and structure of the first threaded hole 12 and the second threaded hole 22 can it is identical can not also
Together, identical quantity and structure are preferably taken, so that the overload protection arrangement compound with regular structure, good appearance.
As shown in Figure 1, Figure 2 and Figure 4, on above-described embodiment basis, further, the first connecting flange 1 includes the
One chassis 13 and the first protrusion 14, the first chassis 13 is triangular in shape, and three apex angles on the first chassis 13 are both provided with the first protrusion
14, it is respectively provided with that there are one the first threaded holes 12 in each first protrusion 14；It is both provided on three sides on the first chassis 13 multiple
First connection screw thread hole 11；Second connecting flange 2 includes the second chassis 23 and the second protrusion 24, and the second chassis 23 is triangular in shape,
Three apex angles on the second chassis 23 are both provided with the second protrusion 24, and each second protrusion 24 is respectively provided with that there are one the second threaded holes
22；It is both provided with multiple second connection screw thread holes 21 on three sides on the second chassis 23.
Wherein, the connection of the connection type and the second chassis 23 and the second protrusion 24 of the first chassis 13 and the first protrusion 14
Mode all can be a variety of, such as：Welding or clamping；It is preferably integrally formed, which intensity is high, and good appearance subtracts
Few installation process.
First connecting flange 1 and the second connecting flange 2 are all provided with to the form for being set to chassis and protrusion, ensure that the overload is protected
The lightweight of protection unit reduces apparatus of load, while strengthening the intensity that connecting flange is threadedly coupled with shaft coupling again, ensures
Transmission is normally carried out, and keeps transmission more steady.
As shown in Figure 1, Figure 2 and Figure 4, on above-described embodiment basis, further, each two adjacent first protrusion
It is both provided with the first reinforcing rib 15 between 14, the second reinforcing rib 25 is both provided between each two adjacent second protrusion 24.
Wherein, the structure type of the first reinforcing rib 15 and the structure type of the second reinforcing rib 25 all can be a variety of, example
Such as：It is rectangular, triangle or arc etc..
First, second reinforcing rib increases the intensity of the first, second connecting flange, so that transmission is more steady.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, on above-described embodiment basis, further, bolt 31 includes the first spiral shell
Bolt and the second bolt, nut 32 include for matched first nut of the first bolt and for being matched with the second bolt
The second nut；The setting that multiple first bolts and multiple second bolts interlock is in the first connecting flange 1 and the second connecting flange 2
On, and the head of the first adjacent bolt and the head of the second bolt are located at the both sides of the first connecting flange 1.
Wherein, by first screw bolt passes the first connection screw thread hole 11 and the second connection screw thread hole 21, the first nut will
First bolt is locked；Second bolt and the first bolt setting on the contrary, i.e. second the second connection screw thread hole of screw bolt passes 21 and
First connection screw thread hole 11, the second nut lock the second bolt.The structure so that install the first bolt and the first nut
Afterwards, the second bolt and the second nut still have larger installation space, the two to be independent of each other, and bolt 31 and nut 32 is facilitated to install,
Staff is facilitated to operate.
As shown in Figure 1, Figure 2 and Figure 4, on above-described embodiment basis, shaft coupling provided by the invention, including driving shaft
Interconnecting piece and driven shaft interconnecting piece further include overload protection arrangement as described above, the master of driving shaft interconnecting piece and transmission system
Moving axis connects, the driven axis connection of driven shaft interconnecting piece and transmission system；Driving shaft interconnecting piece is connect with the first connecting flange 1,
Driven shaft interconnecting piece is connect with the second connecting flange 2.
Wherein, the structure type of driving shaft interconnecting piece and the structure type of driven shaft interconnecting piece all can be a variety of, example
Such as：Square plate, circular discs or polygon disk etc..
When using shaft coupling provided by the invention, driving shaft interconnecting piece is fixedly connected with the driving shaft of transmission system,
First connecting flange 1 is fixedly connected with driving shaft interconnecting piece, and driven shaft interconnecting piece is fixedly connected with the driven shaft of transmission system,
Second connecting flange 2 is connect with driven shaft interconnecting piece；Finally by connector 3 by the first connecting flange 1 and the second connecting flange 2
Connection, completes the installation of whole device.
The simple easy processing of the coupler structure makes transmission failure, to protect when being driven overload using the fracture of connector 3
Entire transmission system and apparatus, safely and effectively；And replacement and repair connector can make shaft coupling provided by the invention just
It is often used, avoids dismantling or replacing shaft coupling, convenient and efficient, use cost is low.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of overload protection arrangement, which is characterized in that including：First connecting flange, the second connecting flange and connector；
The connector is all connected with first connecting flange and the second connecting flange, and first connecting flange is used for and connection
The driving shaft interconnecting piece of axis device connects, and second connecting flange with the driven shaft interconnecting piece of shaft coupling for connecting；When described
When the torque that connector is subject to is more than preset ultimate torque, the connector disconnects；
First connecting flange includes the first chassis and the first protrusion, and first chassis is triangular in shape, first chassis
Three apex angles be both provided with first protrusion, be respectively provided with there are one the first threaded hole, utilize in each first protrusion
Screw is threaded through in the connecting hole of the driving shaft interconnecting piece of first threaded hole and shaft coupling, by first connecting flange
It is fixed with the driving shaft interconnecting piece of shaft coupling；
Second connecting flange includes the second chassis and the second protrusion, and second chassis is triangular in shape, second chassis
Three apex angles be both provided with the second protrusion, each second protrusion is respectively provided with that there are one the second threaded holes；It is worn using screw
It is located in the connecting hole of the driven shaft interconnecting piece of second threaded hole and shaft coupling, by second connecting flange and shaft coupling
The driven shaft interconnecting piece of device is fixed.
2. overload protection arrangement according to claim 1, which is characterized in that the connector includes multiple matched spiral shells
Screw bolt and nut, is both provided with multiple first connection screw thread holes on three sides on first chassis, three of second chassis
Multiple second connection screw thread holes are both provided on side；
One bolt is threaded through in first connection screw thread hole and second connection screw thread hole, Mei Gesuo
The tail portion for stating bolt is all connected with there are one the nut.
3. overload protection arrangement according to claim 1, which is characterized in that between each two adjacent first protrusion
It is both provided with the first reinforcing rib, the second reinforcing rib is both provided between each two adjacent second protrusion.
4. overload protection arrangement according to claim 2, which is characterized in that the bolt includes the first bolt and the second spiral shell
Bolt, the nut include for matched first nut of first bolt and for being matched with second bolt
The second nut；
Multiple first bolts and multiple second bolts are alternately arranged in first connecting flange and described second
On connecting flange, and the head of adjacent first bolt and the head of second bolt are located at first connection
The both sides of flange.
5. a kind of shaft coupling, including driving shaft interconnecting piece and driven shaft interconnecting piece, which is characterized in that further include such as claim 1-
4 any one of them overload protection arrangements, the active axis connection of the driving shaft interconnecting piece and transmission system, the driven shaft connect
The driven axis connection of socket part and the transmission system；The driving shaft interconnecting piece is connect with first connecting flange, it is described from
Moving axis interconnecting piece is connect with second connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214159.2A CN105650141B (en) | 2016-04-07 | 2016-04-07 | Overload protection arrangement and shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214159.2A CN105650141B (en) | 2016-04-07 | 2016-04-07 | Overload protection arrangement and shaft coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105650141A CN105650141A (en) | 2016-06-08 |
| CN105650141B true CN105650141B (en) | 2018-10-23 |
Family
ID=56496369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610214159.2A Active CN105650141B (en) | 2016-04-07 | 2016-04-07 | Overload protection arrangement and shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105650141B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8187105B2 (en) * | 2009-01-29 | 2012-05-29 | GM Global Technology Operations LLC | Flange joint |
| FR3003915B1 (en) * | 2013-03-28 | 2016-12-30 | Kuhn Sa | TORQUE LIMITING DEVICE AND AGRICULTURAL MACHINE USING THE SAME |
| CN204186831U (en) * | 2014-09-11 | 2015-03-04 | 泰尔重工股份有限公司 | A kind of novel safety coupling |
| CN204113944U (en) * | 2014-09-15 | 2015-01-21 | 镇江索达联轴器有限公司 | A kind of coupling for electric motor |
| CN205639366U (en) * | 2016-04-07 | 2016-10-12 | 北京康为重工机械制造有限公司 | Excess loading protector and shaft coupling |
-
2016
- 2016-04-07 CN CN201610214159.2A patent/CN105650141B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105650141A (en) | 2016-06-08 |
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Address after: 100102. 25, science and technology road, Miyun Economic Development Zone, Beijing Applicant after: Harmony Group Co., Ltd. Address before: 100102 No. 25, science and technology road, Miyun economic and Technological Development Zone, Beijing Applicant before: BEIJING KANGWEI HEAVY INDUSTRY MACHINERY MANUFACTURING CO., LTD. |
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