CN105115299B - Sintering trolley and wheel assembly and wheel axle of sintering trolley - Google Patents
Sintering trolley and wheel assembly and wheel axle of sintering trolley Download PDFInfo
- Publication number
- CN105115299B CN105115299B CN201510621117.6A CN201510621117A CN105115299B CN 105115299 B CN105115299 B CN 105115299B CN 201510621117 A CN201510621117 A CN 201510621117A CN 105115299 B CN105115299 B CN 105115299B
- Authority
- CN
- China
- Prior art keywords
- axletree
- section
- wheel
- axle sleeve
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Handcart (AREA)
Abstract
The invention provides a wheel axle of a sintering trolley. The wheel axle of the sintering trolley comprises a wheel axle head section and a wheel axle tail section. The wheel axle head section comprises a wheel installing section for installing a wheel and a first butt joint section, wherein the first butt joint section is provided with a butt joint hole and a dovetail groove which extend in the axial direction. The dovetail groove is located in the wall of the butt joint hole and is communicated with the butt joint hole. The wheel axle tail section comprises an axle sleeve installing section for being in interference fit with an axle sleeve and a second butt joint section, wherein the second butt joint section comprises a butt joint body and a dovetail protrusion. The butt joint body is matched with the butt joint hole in a butt joint mode, and the dovetail protrusion is matched with the dovetail groove in a circumferential-limited mode. A first connecting hole is formed in the wall of the butt joint hole. A second connecting hole opposite to the first connecting hole is formed in the butt joint body. The first connecting hole and the second connecting hole are detachably connected through connecting pieces penetrating into the holes. By means of the scheme, the problems of longer time consumed for wheel axle replacement and higher maintenance cost are solved. The invention further provides the sintering trolley and a wheel assembly of the sintering trolley.
Description
Technical field
The present invention relates to agglomerating plant technical field, more particularly to a kind of pallet and pallet vehicle wheel component and
Axletree.
Background technology
In metallurgy industry, sintering circuit has important function as the upstream process of steel-making.In sintering circuit, sintering feed
Sintering reaction completed by sintering system.
Sintering system includes many pallets for docking successively.In sintering process, the pallet for docking successively is whole
Body is along the track operation for arranging thereunder.The bottom of pallet is provided with air exhauster, the cold wind in the presence of air exhauster
Burning is participated in being sucked into sintering feed from above pallet, and then realizes the sintering feed on pallet from top the bottom of to
Portion progressively burns, and finally realizes the abundant burning of sintering feed.As the important ingredient of sintering system, pallet
Steady operation is the important leverage for realizing sintering that work is smoothed out.
But, pallet is but one of part of sintering system Frequent Troubles.Fig. 1 is refer to, Fig. 1 illustrates a kind of concrete
Pallet structure.Pallet includes chassis body 11, axle sleeve 12, axletree 13, wheel 14 and bearing assembly 15.Its
In, axle sleeve 12 is welded on chassis body 11, and with 13 interference fit of axletree, wheel 14 by bearing assembly 15 be arranged on car
On wheel shaft 13.Wheel 14 orbits, and then realizes the operation of whole pallet.In actual production process, burn
The ambient temperature of knot chassis is higher, and then easily causes the phenomenons such as the parts deformation of pallet, abrasion quickening.Particularly car
Wheel because hot environment, the lubricating oil of wheel is easily dry and hard, in turn result in it is not in place to the lubrication of bearing assembly 15, it is final easily
Cause wheel lock up, and then cause the corresponding site of axletree 13 to wear and tear more serious.For this reason, it may be necessary to Jing often changes axletree
13.Due to axletree 13 and 12 interference fit of axle sleeve, and axle sleeve 12 is welded on chassis body 11, therefore generally need will be whole
The pallet that platform pallet hangs track more to renew.This causes the replacing of axletree 13 time-consuming longer.Simultaneously as car
Wheel shaft 13 and 12 interference fit of axle sleeve, therefore typically torn open using destructive strength in 13 Renewal process of axletree to grinding away
Unload, strength dismounting not only further damages axletree, but also can damage axle sleeve, this can cause again the maintenance to axletree 13 into
This increase.
To sum up, how to solve the problems, such as above to axletree change exist take longer and maintenance cost it is higher, be mesh
Front those skilled in the art technical problem urgently to be resolved hurrily.
The content of the invention
The present invention provides a kind of axletree of pallet, to solve axletree to be changed to exist described in background technology to take
The higher problem of longer and maintenance cost.
For solving above-mentioned technical problem, the present invention is disclosed directly below technical scheme：
The axletree of pallet, including axletree first section and axletree rear；Wherein：The axletree first section includes car
Wheel construction section and the first Butt Section, the wheel construction section are used for installing wheel, are provided with along which on first Butt Section
Butt hole and dovetail groove that axis direction extends；The dovetail groove is located at the hole wall of the butt hole, and connects with the butt hole
It is logical；
The axletree rear includes axle sleeve construction section and the second Butt Section, second Butt Section include docking main body and
It is arranged at the dovetail tangs of docking main body；The docking main body docks cooperation, and the dovetail tangs and institute with the butt hole
State the circumferentially spacing cooperation of dovetail groove, the axle sleeve construction section for axle sleeve interference fit；
The first connecting hole is provided with the hole wall of the butt hole；The docking main body is provided with and first connecting hole
The second relative connecting hole；First connecting hole is with second connecting hole by the detachable phase of the connector being through in both
Connect the axially position to realize the axletree first section and the axletree rear.
Preferably, in above-mentioned axletree：
The axletree first section is multidiameter structure；The diameter of the wheel construction section is straight less than first Butt Section
Footpath, and both junctions form wheel confined planes；
The axletree rear is also multidiameter structure；The diameter of the axle sleeve construction section is less than first Butt Section
Diameter, and both junctions form axle sleeve confined planes.
Preferably, in above-mentioned axletree：
The diameter with diameter greater than the wheel construction section of the axle sleeve construction section.
Preferably, in above-mentioned axletree：
First connecting hole is arranged at the inwall position relative with the dovetail groove of the butt hole.
Preferably, in above-mentioned axletree：
Hardness of the hardness of the axletree rear more than the axletree first section.
The vehicle wheel component of pallet, including axletree, wheel and axle sleeve；The axletree is described in as above any one
Axletree；Wherein：
The wheel is installed on the wheel construction section；The axle sleeve is sheathed on the axle sleeve construction section, and both interference
Coordinate.
Preferably, in above-mentioned vehicle wheel component：
The reinforcement being fixedly linked with the chassis body of pallet is provided with the outside of the axle sleeve.
Pallet, including：
As above the vehicle wheel component described in any one.
The use process of the axletree that the present invention is provided is as follows：
The docking main body of the second Butt Section of axletree rear is docked in the butt hole of axletree first section, while realizing
Dovetail tangs and the spacing cooperation of circumference of dovetail groove, then connect the first connecting hole and the second connecting hole to realize car with connector
Wheel shaft rear is with axletree first section in the axial location fit of whole axletree.When the wheel of pallet is damaged needs more
When changing, directly connector is separated, then axletree first section is dismantled from axletree rear, the axletree for then more renewing
First section and wheel.
When being damaged from the axletree that above-mentioned use process can be seen that the present invention offer position relative with wheel,
Axletree first section is directly changed, without the need for whole axletree is changed, therefore also just there is no the removing damaged axle sleeve of strength
Situation is present, and this can reduce the strength dismounting higher problem of caused maintenance cost described in background technology.Meanwhile, using this
The axletree that invention is provided without the need for whole pallet hung track, direct removing vehicle tyres axle first section be capable of achieving to wheel and
The replacing of the corresponding damaged location of axletree, therefore the time changed is shorter.It can be seen that, the axletree that the present invention is provided can solve the problem that
Axletree is changed described in background technology and there is a problem of that time-consuming longer and maintenance cost is higher.
Description of the drawings
For the technical scheme in being illustrated more clearly that the embodiment of the present invention or background technology, below will be to embodiment or the back of the body
Accompanying drawing to be used needed for the description of scape technology is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of a kind of specific pallet that background technology is provided；
Fig. 2 is the structural representation of axletree first section provided in an embodiment of the present invention；
Fig. 3 is the right view of Fig. 2；
Fig. 4 is the structural representation of axletree rear provided in an embodiment of the present invention；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the structural representation of axletree provided in an embodiment of the present invention.
Description of reference numerals：
Chassis body 11, axle sleeve 12, axletree 13, wheel 14, bearing assembly 15；
Axletree first section 100, the first Butt Section 101, wheel construction section 102, butt hole 1011, the first connecting hole 1012,
Dovetail groove 1013；
Axletree rear 200, axle sleeve construction section 201, the second Butt Section 202, dovetail tangs 2021, the second connecting hole
2022。
Specific embodiment
A kind of axletree of pallet is embodiments provided, to solve described in background technology to change axletree
There is a problem of that time-consuming longer and maintenance cost is higher.
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described enforcement
Example a part of embodiment only of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, this area is general
The every other embodiment obtained under the premise of creative work is not made by logical technical staff, should all belong to guarantor of the present invention
The scope of shield.
Fig. 2-6 are refer to, a kind of axletree of pallet is embodiments provided.The axletree for being provided includes
Axletree first section 100 and axletree rear 200, both are split-type structural.Axletree first section 100 and axletree rear 200 can
Dismounting assembles the axletree to form pallet.
Wherein：Axletree first section 100 includes the first Butt Section 101 and wheel construction section 102, as shown in Figures 2 and 3.Wheel
Construction section 102 is used for installing the wheel of pallet.Butt hole 1011 and dovetail groove 1013 is provided with first Butt Section 101,
Butt hole 1011 is extended each along the direction parallel with the axis direction of the first Butt Section 101 with dovetail groove 1013.Dovetail groove
1013 hole walls for being opened in butt hole 1011, and dovetail groove 1013 connected with butt hole 1011, the i.e. top slot of dovetail groove 1013
Mouth is opened in the hole wall of butt hole 1011.
Axletree rear 200 includes axle sleeve construction section 201 and the second Butt Section 202, as shown in Figures 4 and 5.Second Butt Section
202 include docking main body and are arranged at the dovetail tangs 2021 of docking main body, usual dovetail tangs 2021 and the second Butt Section 202
Docking main body be integrated machine-shaping structure, certainly, dovetail tangs 2021 can also be designed to the mode of connecting key and be fixed on
The docking main body of the second Butt Section 202.Dovetail tangs 2021 are docked cooperation with dovetail groove 1013 and realize axletree rear 200 and car
The spacing cooperation of circumference between wheel shaft first section 100.The docking main body of the second Butt Section 202 can also be circumferential with butt hole 1011
Spacing docking coordinates.The spacing spacing cooperation of circumferencial direction coordinated i.e. along axletree of so-called circumference, this kind of cooperation can keep away
Exempt from axletree first section 100 to rotate relative to axletree rear 200.Preferably, butt hole 1011 is square hole or elliptical aperture, second pair
The docking main body for connecing section 202 can also be square.The shape of butt hole 1011 and docking main body is not restricted herein.Herein
In, docking main body refers to other positions on the second Butt Section 202 in addition to dovetail tangs 2021.
Axle sleeve construction section 201 for axle sleeve interference fit, so as to realize the chassis sheet of whole axletree and pallet
Body is fixedly linked.
The hole wall of butt hole 1011 is provided with the first connecting hole 1012, and the docking main body of the second Butt Section 202 arranges second
Connecting hole 2022, the second connecting hole 2022 are oppositely arranged with the first connecting hole 1012.First connecting hole 1012 and the second connecting hole
2022 are detachably connected by the connector being through in both.Connector can be connecting pin or threaded connector.
First connecting hole 1012 is to realize axletree rear with the second connecting hole 2022 by the purpose that connector is connected
Axially position connection between 200 and axletree first section 100, i.e., so that keeping away between axletree first section 100 and axletree rear 200
Exempt from axial float.Preferably, the first connecting hole 1012 and 2022 radially extending along axletree of the second connecting hole, with reach compared with
The effect of good axial limiting connection.
The use process of axletree provided in an embodiment of the present invention is as follows：
The docking main body of the second Butt Section 202 of axletree rear 200 is docked at into the butt hole of axletree first section 100
In 1011, while realizing the spacing cooperation of circumference of dovetail tangs 2021 and dovetail groove 1013, then connected with connector connection first
Connect hole 1012 and the second connecting hole 2022 to realize axletree rear 200 with axletree first section 100 in whole axletree axial direction
Spacing cooperation.When the wheel of pallet is damaged to be needed to change, directly connector is separated, then by axletree first section
100 dismantle from axletree rear 200, the axletree first section 100 for then more renewing and wheel.
The axletree provided in an embodiment of the present invention position relative with wheel be can be seen that from above-mentioned use process to occur to damage
Bad when, axletree first section 100 is directly changed, without the need for whole axletree is changed, therefore also just there is no damage axle sleeve
Situation is present, and this can reduce the strength dismounting higher problem of caused maintenance cost described in background technology.Meanwhile, using this
, without the need for whole pallet is hung track, direct removing vehicle tyres axle first section 100 can be real for the axletree that inventive embodiments are provided
The now replacing to wheel damaged location corresponding with axletree, therefore the time changed is shorter.It can be seen that, the embodiment of the present invention is provided
Axletree can solve the problem that described in background technology to change axletree there is a problem of that time-consuming longer and maintenance cost is higher.
Specifically, as shown in Figure 2 and Figure 4, axletree first section 100, axletree rear 200 can be multidiameter structure.
Specifically, diameter of the diameter of wheel construction section 102 less than the first Butt Section 101, and both junction formation wheels are spacing
Face, wheel are arranged on wheel construction section 102, and the axial limiting of cooperation spacing with wheel confined planes and then realization to wheel,
During installation, wheel is fixed on wheel construction section 102 by bearing and bearing (ball) cover.
Diameter of the diameter of axle sleeve construction section 201 less than the first Butt Section 101, and axle sleeve limit is formed in both junctions
Plane, axle sleeve confined planes are used for axial limiting axle sleeve, to guarantee the installation site of axletree.
It is known that during installation, the matching part of axle sleeve and axle sleeve construction section 201 is in the root of axletree
Portion, the bending load being subject to herein are larger, and the damage to axle sleeve and axle sleeve construction section is larger.For this purpose, preferred, axle sleeve construction section
201 diameter with diameter greater than wheel construction section 102.This axle sleeve construction section 201 is relatively large in diameter, and wheel construction section 102
The less structure of diameter enable to the bending resistance of whole axletree and strengthen, and then the use of whole axletree can be extended
Life-span.
Arranging the structures such as groove, hole on parts can reduce the bulk strength of whole parts, and above-mentioned groove, hole
Isostructural dense degree affects bigger to the bulk strength of parts, in order to reduce the impact to 101 intensity of the first Butt Section,
Preferably, the first connecting hole 1012 is arranged at the inwall of butt hole 1011, and the first connecting hole 1012 is relative with dovetail groove 1013
Distribution.
In actual application process, axletree rear 200 and axle sleeve interference fit, axletree rear 200 are hardly used
Change, but as the replacement frequency of axletree first section 100 is larger, and then cause butt hole 1011 and the second Butt Section 202
Change docking frequency higher, frequently docking operation will certainly produce abrasion to axletree rear 200, due to axletree rear
200 are in interference fit state and are difficult to be changed without damage, it is preferred, therefore, that the hardness of axletree rear 200 is more than wheel
The hardness of axle first section 100.
Based on the above axletree, the embodiment of the present invention also provides a kind of vehicle wheel component of pallet.Carried
For the vehicle wheel component of pallet include axletree, wheel and axle sleeve；Wherein, axletree is any one in foregoing embodiments
Described axletree, wheel are installed on wheel construction section 102, and axle sleeve is sheathed on axle sleeve construction section 201, and both interference are matched somebody with somebody
Close.
Preferably, reinforcement, the outside of reinforcement connecting bushing and the chassis body of pallet is provided with the outside of axle sleeve,
And then play a part of to strengthen axle sleeve.
A kind of pallet is also provided herein, the pallet for being provided has the wheel group of pallet mentioned above
Part.
Herein, only emphasis describes different with other schemes to each preferred version, as long as each preferred version
Do not conflict, can combination in any, the embodiment formed after combination is also within category disclosed in this specification, it is contemplated that
Text is succinct, herein with regard to no longer individually being described to combining formed embodiment.
The above is only the specific embodiment of the present invention, is made skilled artisans appreciate that or realizing this
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
The above is only the specific embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. the axletree of pallet, it is characterised in that including axletree first section (100) and axletree rear (200)；Wherein：
Described axletree first section (100) include wheel construction section (102) and the first Butt Section (101), and described wheel construction section (102) are used
The butt hole (1011) and dovetail for extending along its axis direction is provided with installing wheel, the first Butt Section (101)
Groove (1013)；Described dovetail groove (1013) are located at the hole wall of the butt hole (1011), and connect with the butt hole (1011)；
Described axletree rear (200) include axle sleeve construction section (201) and the second Butt Section (202), second Butt Section
(202) include docking main body and be arranged at the dovetail tangs (2021) of the docking main body；The docking main body is docked with described
Hole (1011) docking coordinates, and the dovetail tangs (2021) and the circumferential spacing cooperation of the dovetail groove (1013), the axle sleeve
Construction section (201) for axle sleeve interference fit；
The first connecting hole (1012) is provided with the hole wall of butt hole (1011)；The docking main body is provided with and described the
Relative the second connecting hole (2022) of one connecting hole (1012)；First connecting hole (1012) and second connecting hole
(2022) connector by being through in both is detachably connected to realize axletree first section (100) with the axletree tail
The axially position of section (200).
2. axletree according to claim 1, it is characterised in that：
Described axletree first section (100) are multidiameter structure；The diameter of wheel construction section (102) is less than the described first docking
The diameter of section (101), and both junctions form wheel confined planes；
Axletree rear (200) are also multidiameter structure；The diameter of axle sleeve construction section (201) is less than described first pair
The diameter of section (101) is connect, and both junctions form axle sleeve confined planes.
3. axletree according to claim 2, it is characterised in that：
The diameter with diameter greater than wheel construction section (102) of axle sleeve construction section (201).
4. axletree according to claim 1, it is characterised in that：
The inwall that first connecting hole (1012) are arranged at the butt hole (1011) is relative with the dovetail groove (1013)
Position.
5. the axletree according to any one in claim 1-4, it is characterised in that：
Hardness of the hardness of axletree rear (200) more than axletree first section (100).
6. the vehicle wheel component of pallet, including axletree, wheel and axle sleeve；Characterized in that, the axletree will for right
Seek the axletree described in any one in 1-5；Wherein：
The wheel is installed on wheel construction section (102)；The axle sleeve is sheathed on axle sleeve construction section (201), and two
Person's interference fit.
7. vehicle wheel component according to claim 6, it is characterised in that：
The reinforcement being fixedly linked with the chassis body of pallet is provided with the outside of the axle sleeve.
8. pallet, it is characterised in that include：
Vehicle wheel component as claimed in claims 6 or 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510621117.6A CN105115299B (en) | 2015-09-25 | 2015-09-25 | Sintering trolley and wheel assembly and wheel axle of sintering trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510621117.6A CN105115299B (en) | 2015-09-25 | 2015-09-25 | Sintering trolley and wheel assembly and wheel axle of sintering trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105115299A CN105115299A (en) | 2015-12-02 |
| CN105115299B true CN105115299B (en) | 2017-03-22 |
Family
ID=54663345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510621117.6A Active CN105115299B (en) | 2015-09-25 | 2015-09-25 | Sintering trolley and wheel assembly and wheel axle of sintering trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105115299B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870977A (en) * | 2018-06-15 | 2018-11-23 | 首钢水城钢铁（集团）有限责任公司 | A kind of trolley limiting device in metallurgy sintered technique |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4810480B2 (en) * | 2007-03-26 | 2011-11-09 | 株式会社日立ハイテクノロジーズ | Track inspection car |
| CN202063149U (en) * | 2011-06-02 | 2011-12-07 | 哈尔滨重型机器有限责任公司 | Adjusting device for travelling trolley set |
| CN202116055U (en) * | 2011-06-16 | 2012-01-18 | 上海振华重工(集团)股份有限公司 | Double-track trolley |
| CN103353229B (en) * | 2013-08-08 | 2015-04-22 | 张鑫 | Anti-lock trolley traveling mechanism for sintering machine |
| CN203618290U (en) * | 2013-12-05 | 2014-06-04 | 重庆华世丹机械制造有限公司 | Pressing block type wheel axle of mini-tiller |
| CN204321770U (en) * | 2014-12-03 | 2015-05-13 | 江阴东辰机械制造股份有限公司 | Square billet sharpening chassis |
| CN204978094U (en) * | 2015-09-25 | 2016-01-20 | 莱芜钢铁集团有限公司 | Sintering pallet , sintering pallet's wheel subassembly and axletree |
-
2015
- 2015-09-25 CN CN201510621117.6A patent/CN105115299B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105115299A (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105115299B (en) | Sintering trolley and wheel assembly and wheel axle of sintering trolley | |
| CN205634550U (en) | Rope sheave | |
| CN103318218B (en) | Device for tracting locomotive towing pin and traction apparatus | |
| CN104847765B (en) | Carrying axle, the axis of guide, Assembly of pin, arm support and its assembly method and crane | |
| CN104500559A (en) | Thrust bearing shell | |
| CN204978094U (en) | Sintering pallet , sintering pallet's wheel subassembly and axletree | |
| CN105115300B (en) | Sintering trolley and wheel installing assembly and wheel assembly of sintering trolley | |
| CN104325992B (en) | A kind of secondary framework gapless elastic connection structure of U-shaped | |
| CN105109277B (en) | The vehicle wheel component and axletree of pallet | |
| CN202381898U (en) | Central rotation joint | |
| CN201635672U (en) | Special hoop for anti-wear sheath of sleeve | |
| CN103661063B (en) | A kind of quarry tipper load lifting cylinder axle assembly | |
| CN103890345A (en) | Exhaust-gas turbocharger | |
| CN203173716U (en) | Quick connector and tower crane provided therewith | |
| CN102022231A (en) | Automobile filter element | |
| CN205779861U (en) | A kind of heavy loaded bearing sprung parts | |
| CN204055163U (en) | Novel passenger-cargo dual-purpose driving axle housing assembly | |
| CN207349279U (en) | A kind of wheel axletree bearing seat | |
| CN204978658U (en) | Conveniently disclose stucco ware of sand | |
| CN207297158U (en) | A kind of engine supercharger oil inlet pipe assembly and there is its vehicle | |
| CN208066967U (en) | Improved skirthoard track | |
| CN204210243U (en) | Spindle nose high strength ramp structure | |
| CN207961352U (en) | A kind of novel tension spring | |
| CN205736730U (en) | Yoke on a kind of combination type on offroad vehicle drive axle | |
| CN106907186A (en) | Steam turbine nozzle sections with complete side walls and the hook integrated design |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |