CN106149522A - A kind of pressure roller for road roller - Google Patents
A kind of pressure roller for road roller Download PDFInfo
- Publication number
- CN106149522A CN106149522A CN201610744526.XA CN201610744526A CN106149522A CN 106149522 A CN106149522 A CN 106149522A CN 201610744526 A CN201610744526 A CN 201610744526A CN 106149522 A CN106149522 A CN 106149522A
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- China
- Prior art keywords
- rotating shaft
- pressure roller
- bearing
- roller body
- roller
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of pressure roller for road roller, including pressure roller body and rotating shaft, pressure roller body is provided with a bearing, being axially disposed with support inner ring and supporting outer ring along rotating shaft in a bearing；Also including being arranged on the sealing lid supporting inner ring, be also equipped with threaded sleeve sealing between lid and rotating shaft, the outer surface of threaded sleeve is multiple thread, and multiple-threaded direction of rotation is inside pressure roller body.The outer surface being arranged on the thin-walled threaded sleeve sealed between lid and rotating shaft is provided with multiple thread, rotating shaft drives threaded sleeve to rotate, the lubricating oil that will leak outside is made to produce a rightabout power, force lubricating oil to pressure roller body medial motion, finally push back bearing in the lubricating oil in seal clearance by spilling in a bearing in rotating shaft, avoid the leakage of lubricating oil to cause rotating shaft constant temperature to raise, while improving the stability of pressure roller body, extend the service life of the present invention.
Description
Technical field
The present invention relates to a kind of vibrated roller, specifically refer to a kind of pressure roller for road roller.
Background technology
Road roller be a kind of with special steel wheel or racing slick the compacting construction machinery as apparatus for work, be widely used in
Road engineering, harbour, airport, mine dam, urban construction etc. are to soil stone embankment and the compacting operation of paving material, and it acts on
It is to increase the degree of compaction of work surface, thus improves structural strength and the rigidity of work surface, strengthen impermeabilisation ability and Weather-stable
Property, reduce or eliminate depression, be finally reached raising engineering bearing capacity, the purpose of the maintenance cost that increases the service life, reduces.By
Operating mode in compacting operation varies, and compacting machinary series and description are various, and it can simply be divided into road roller, rammer
Real machine and compactor etc..Road roller is divided into again self-propelled, hand-held and towed, rammer compacter (equipment is flat board) to divide again
For impact plate compactor and vibratory plate compactor etc..
In conjunction with China's road roller technology and the concrete condition of production development, road roller can be divided into quiet calendering roller, list
Steel-wheeled vibrated roller, double-steel wheeled vibratory roller, combination roller, rubber-tyred roller, light-duty road roller and other special types
Several big series such as road roller.During the use of single vibratory road roller, owing to rotating shaft can produce substantial amounts of heat energy, and then
Rotating shaft self-temperature is caused to raise and deform upon so that the deformation quantity of rotating shaft itself can not be met for the gap that rotating shaft is reserved,
Cause axis of rotation dumb, there is also the phenomenon of leakage of oil, and then affect the process efficiency of road roller.
Summary of the invention
It is an object of the invention to provide a kind of pressure roller for road roller, it is to avoid rotating shaft work long hours after because being heated and
Expand and affect work efficiency, improve the service life of shaft vibration wheel.
The purpose of the present invention is achieved through the following technical solutions:
A kind of pressure roller for road roller, including pressure roller body and rotating shaft, one end of rotating shaft is run through the end of pressure roller body and turns
Dynamic it be arranged on the other end of rotating shaft in pressure roller inner body wall and be connected with the outfan driving motor, installation on described pressure roller body
Have and prop up a bearing, being axially disposed with support inner ring and supporting outer ring along rotating shaft in a bearing, support inner ring have recessed
Groove, groove inner wall has blind hole, rotates and be provided with roller bearing, roller bearing and shaft contacts in blind hole, at roller bearing and groove inner wall
Junction is provided with floating sleeve, and roller bearing is arranged in floating sleeve, between floating sleeve and blind hole inwall by spring even
Connect；Also include being arranged on the sealing lid supporting inner ring, be also equipped with threaded sleeve, described spiral shell described sealing between lid and rotating shaft
The outer surface of stricture of vagina sleeve pipe is multiple thread, and multiple-threaded direction of rotation is inside pressure roller body；Also include by solid from profit
The phantom ring that sliding material is constituted, phantom ring is set on rotating shaft outer wall, and has cannelure, phantom ring on threaded sleeve inwall
Outer wall contacts with the bottom land of described cannelure.
When the present invention works, driving driven by motor axis of rotation, axis of rotation is arranged in a bearing, and roller bearing connects with rotating shaft
Touching, when the operating temperature of rotating shaft raises, the radial expansion volume of rotating shaft is big, is not enough to supporting the method for preset clearance on outer ring
The swell increment of correction rotating shaft, it is easy to cause a bearing impaired, reduce its service life；Groove is offered on inner ring supporting, recessed
Groove two ends are provided with blind hole, and blind hole is connected by spring floating sleeve, and roller bearing rotates and is arranged in floating sleeve, and floating sleeve can
Making roller bearing realize displacement radially, by roller bearing by the size of rotating shaft radial stress or direction, floating sleeve is carried out in the same direction
Movement, spring is compressed can be buffered the radial stress that rotating shaft produces, and roller bearing then can be resetted by spring-return, realizes turn with this
Axle is being automatically adjusted when there is change in volume of being heated, it is to avoid a bearing is caused bigger damage；When rotating shaft temperature raises,
Lubricating oil can be injected by countershaft, reduce the temperature of rotating shaft while reducing friction, be arranged on the thin-walled sealed between lid and rotating shaft
The outer surface of threaded sleeve is provided with multiple thread, threaded sleeve can be driven to rotate, the rotation side of threaded sleeve during axis of rotation
To the inner side for pressure roller body, this makes the lubricating oil that will leak outside produce a rightabout power, forces lubricating oil to pressure
Roller body medial motion, finally pushes back spilling in a bearing in a bearing with the lubricating oil in seal clearance in rotating shaft, keeps away
Exempt from the leakage of lubricating oil and cause rotating shaft constant temperature to raise, while improving the stability of pressure roller body, extend the present invention's
Service life.
Further, when rotating shaft constantly rotates, the abrasion aggravation between rotating shaft and threaded sleeve, i.e. can cause at both
Between occur gap be gradually increased, not only result in the fast leak of lubricating oil, rotating shaft two ends stress also can be caused unbalance, sternly
Ghost image rings pressure roller body efficiency operationally, and inventor is arranged with solid self lubricant material at end, rotating shaft one end outer wall and constitutes
Phantom ring, when rotating shaft is beated, phantom ring is all the time with rotating shaft campaign, and rotating shaft passes through phantom ring with threaded sleeve
Lubricant effect it can be maintained normally to work, it is to avoid rotating shaft two ends stress is unbalance and has a strong impact on pressure roller body effect operationally
Rate；Wherein, solid self lubricant material is silicon nitride, politef, polyformaldehyde, polyimides, ekonol, burning
One in calculus ink and nylon.As preferably, the selection of solid self lubricant material can be silicon nitride, politef, gather
Any one in formaldehyde, polyimides, ekonol, sintering graphite and nylon, it is possible to decrease phantom ring body
Processing cost.
The pressure roller inner body wall that described bearing is corresponding has rectangular channel, the end of rectangular channel rotates and is provided with rolling
Son, roller and shaft contacts.Can produce more heat after rotating shaft works long hours, and then volume is sent out after causing rotating shaft to be heated
Changing, sliding friction is become rolling friction by the mode that rotating shaft is connected with roller rolls in rectangular channel, can reduce heat
Produce, it is ensured that rotating shaft is by the follow-up continuous normal work of thermal stretching.
Being provided with movable eccentric block and two fixed eccentric blocks in described rotating shaft, movable eccentric block is arranged on two and fixes
Between eccentric block, being provided with backing pin on fixed eccentric block, described movable eccentric block rotates and is arranged in rotating shaft, and inclined in activity
Being provided with projection on heart block, described backing pin is positioned on the track that described projection moves in a circle.When driving, driven by motor rotating shaft is suitable
When hour hands rotate, movable eccentric block subtracts each other with the quiet eccentric throw of fixed eccentric block, thus produces little amplitude, i.e. when eccentric block while
When arriving minimum point, under the influence of centrifugal force, whole pressure roller body is greatly held；When rotating shaft rotates counterclockwise, movable inclined
Heart block is added with the quiet eccentric throw of fixed eccentric block, and then produces big amplitude, i.e. when eccentric block peaks simultaneously, from
Under the effect of mental and physical efforts, whole pressure roller body is suspended；Under conditions of not changing eccentric block quality, by changing the rotation of rotating shaft
Direction just can reach the purpose changing quiet eccentric throw, and then realizes the regulation of the working amplitude of pressure roller body.
Also having air-vent in described bearing, pressure roller body interior is in communication with the outside by described air-vent.When pressure roller basis
When the temperature in internal portion raises, take turns internal meeting and build up more oil gas, the oil seal failure leakage of oil of a bearing can be directly resulted in, open
If air-vent can quickly by oil gas get rid of, to greatest extent protect pressure roller body interior containment member, extend its use the longevity
Life.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, a kind of pressure roller for road roller of the present invention, when rotating shaft temperature raises, can inject lubricating oil by countershaft, reduce friction
While reduce the temperature of rotating shaft, the outer surface being arranged on the thin-walled threaded sleeve sealed between lid and rotating shaft is provided with bull spiral shell
Stricture of vagina, can drive threaded sleeve to rotate during axis of rotation, the direction of rotation of threaded sleeve is the inner side of pressure roller body, and this makes will
The lubricating oil leaked outside produces a rightabout power, forces lubricating oil to pressure roller body medial motion, finally will prop up in bearing
Spill in rotating shaft and lubricating oil in seal clearance push back in a bearing, it is to avoid the leakage of lubricating oil and cause rotating shaft temperature to be held
Height of continuing rising, while improving the stability of pressure roller body, extends the service life of the present invention；
2, a kind of pressure roller for road roller of the present invention, under the influence of centrifugal force, whole pressure roller body is suspended；Do not changing
Under conditions of eccentric block quality, just be can reach the purpose changing quiet eccentric throw by the direction of rotation changing rotating shaft, and then realize
The regulation of the working amplitude of pressure roller body；
3, a kind of pressure roller for road roller of the present invention, the T-shaped muscle arranged in pressure roller inner body wall, no matter pressure roller body is positive and negative
Rotate all can be lifted up by lubricating oil and be poured onto in eccentric block, rotating shaft and a bearing, reach sufficient lubrication and accelerate the purpose of heat radiation,
After operating temperature reduces, it is possible to effectively delay oil ageing, extend the service life of a bearing.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the partial enlarged drawing of Fig. 1；
Fig. 3 is the sectional view of eccentric block；
Labelling and corresponding parts title in accompanying drawing:
1-pressure roller body, 2-rotating shaft, 3-prop up bearing, 4-rectangular channel, 5-drip ring, 6-roller, 7-fixed eccentric block, 8-backing pin,
9-fixed eccentric block, 10-activity eccentric block, 11-support inner ring, 12-supports outer ring, 13-air-vent, 14-spring, 15-float
Sleeve pipe, 16-roller bearing, 17-groove, 18-T type muscle, 19-projection, 20-threaded sleeve, 21-seal lid.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the present invention includes pressure roller body 1 and rotating shaft 2, and the end of pressure roller body 1 is run through in one end of rotating shaft 2
And rotation is arranged on the other end of rotating shaft 2 on pressure roller body 1 inwall and is connected, at described pressure roller body with the outfan driving motor
It is provided with on 1 and props up a bearing 3, being axially disposed with support inner ring 11 and supporting outer ring 12 along rotating shaft 2 in a bearing 3, propping up
Have groove 17 on support inner ring 11, groove 17 inwall has blind hole, rotate in blind hole and be provided with roller bearing 16, roller bearing 16 and rotating shaft
2 contacts, are provided with floating sleeve 15 in the junction of roller bearing 16 with groove 17 inwall, and roller bearing 16 is arranged in floating sleeve 15,
It is connected by spring 14 between floating sleeve 15 with blind hole inwall；Also include being arranged on the sealing lid supporting inner ring 11, in institute
Stating and be also equipped with threaded sleeve 20 between sealing lid 21 and rotating shaft 2, the outer surface of described threaded sleeve 20 is multiple thread, and many
The direction of rotation of head thread is inside pressure roller body；Also including the phantom ring 5 being made up of solid self lubricant material, phantom ring 5 overlaps
It is located on rotating shaft 2 outer wall, and on threaded sleeve 20 inwall, has cannelure, phantom ring 5 outer wall and the bottom land of described cannelure
Contact.
When the present invention works, driving driven by motor rotating shaft 2 to rotate, rotating shaft 2 rotates and is arranged in bearing 3, roller bearing 16 with
Rotating shaft 2 contacts, and when the operating temperature of rotating shaft 2 raises, the radial expansion volume of rotating shaft 2 is big, is supporting preset clearance on inner ring 11
Method be not enough to make corrections the swell increment of rotating shaft 2, it is easy to cause bearing 3 impaired, reduce its service life；Supporting inner ring
Offering groove 17 on 11, groove 17 two ends are provided with blind hole, and blind hole is connected by spring 14 floating sleeve 15, and roller bearing 16 rotates and sets
Putting in floating sleeve 15, floating sleeve 15 can make roller bearing 16 realize displacement radially, radially should by rotating shaft 2 by roller bearing 16
The size of power or direction, floating sleeve 15 carries out movement in the same direction, the radial stress that rotating shaft 2 can be produced by spring 14 by compression
Buffering, spring 14 is replied, and can be resetted by roller bearing 16, realizes rotating shaft 2 being automatically adjusted when being heated generation change in volume with this,
Avoid a bearing 3 is caused bigger damage；When rotating shaft 2 temperature raises, lubricating oil can be injected by countershaft 2, reduce friction
Reducing the temperature of rotating shaft 2, the outer surface being arranged on the thin-walled threaded sleeve 20 sealed between lid 21 and rotating shaft 2 is provided with many simultaneously
Head thread, can drive threaded sleeve 20 to rotate when rotating shaft 2 rotates, the direction of rotation of threaded sleeve 20 is the inner side of pressure roller body 1,
This makes the lubricating oil that will leak outside produce a rightabout power, force lubricating oil to pressure roller body 1 medial motion, finally
To spill in rotating shaft 2 in bearing 3 and lubricating oil in seal clearance will push back in a bearing 3, it is to avoid the leakage of lubricating oil and
Cause rotating shaft 2 constant temperature to raise, while improving the stability of pressure roller body 1, extend the service life of the present invention.
Further, when rotating shaft 2 constantly rotates, the abrasion aggravation between rotating shaft 2 and threaded sleeve 20, i.e. can cause
The gap occurred between the two is gradually increased, and not only results in the fast leak of lubricating oil, and rotating shaft 2 two ends stress also can be caused to lose
Weighing apparatus, has a strong impact on pressure roller body 1 efficiency operationally, and inventor is arranged with self-lubricating solid at end, rotating shaft 2 one end outer wall
Material constitutes phantom ring 5, and when rotating shaft 2 is beated, phantom ring 5 moves with rotating shaft 2 all the time, and rotating shaft 2 and screw thread
Sleeve pipe 20 can maintain it normally to work by the lubricant effect of phantom ring 5, it is to avoid rotating shaft two ends stress is unbalance and has a strong impact on pressure
Roller body efficiency operationally；Wherein, solid self lubricant material be silicon nitride, politef, polyformaldehyde, polyimides,
One in ekonol, sintering graphite and nylon.As preferably, the selection of solid self lubricant material can be nitrogen
Any one in SiClx, politef, polyformaldehyde, polyimides, ekonol, sintering graphite and nylon
Kind, it is possible to decrease the processing cost of phantom ring body.
Embodiment 2
As it is shown in figure 1, the present embodiment is on the basis of embodiment 1, pressure roller body 1 inwall of described bearing 3 correspondence leaves
Having rectangular channel 4, the end of rectangular channel 4 rotates and is provided with roller 6, roller 6 contacts with rotating shaft 2.After rotating shaft 2 works long hours
Can produce more heat, and then volume changes after causing rotating shaft 2 to be heated, in rectangular channel 4, rotating shaft 2 rolls with roller 6
Connect mode sliding friction is become rolling friction, the generation of heat can be reduced, can compensate for rotating shaft 2 by thermal stretching, it is ensured that
Rotating shaft 2 is by the follow-up continuous normal work of thermal stretching.
Embodiment 3
As shown in figures 1 and 3, the present embodiment, on the basis of embodiment 1, is provided with movable eccentric block 10 in described rotating shaft 2
With two fixed eccentric blocks 7, movable eccentric block 10 is arranged between two fixed eccentric blocks 7, is provided with on fixed eccentric block 7
Backing pin 8, described movable eccentric block 10 rotates and is arranged in rotating shaft 2, and is provided with protruding 19 on movable eccentric block 10, described gear
Pin 8 is positioned on described protruding 19 tracks moved in a circle.When driving driven by motor rotating shaft 2 to turn clockwise, movable eccentric
Block 10 subtracts each other with the quiet eccentric throw of fixed eccentric block 7, thus produces little amplitude, i.e. when eccentric block arrives minimum point simultaneously,
Under the effect of centrifugal force, whole pressure roller body 1 is greatly held；When rotating shaft 2 rotates counterclockwise, movable eccentric block 10 is inclined with fixing
The quiet eccentric throw of heart block 7 is added, and then produces big amplitude, i.e. when eccentric block peaks simultaneously, in the effect of centrifugal force
Under, whole pressure roller body 1 is suspended；Under conditions of not changing eccentric block quality, just may be used by the direction of rotation changing rotating shaft 2
Reach to change the purpose of quiet eccentric throw, and then realize the regulation of the working amplitude of pressure roller body 1.
Embodiment 4
As it is shown in figure 1, the present embodiment is on the basis of embodiment 1, also include that T-shaped muscle 18, described T-shaped muscle 18 are arranged on pressure roller originally
On the inwall of body 1.Owing to pressure roller body 1 ceaselessly rotates, rotating shaft 2 rotary speed under the drive driving motor is very fast, transmission
Power is bigger, it is necessary to charging-up lubricant oil in rotating shaft 2, the T-shaped muscle 18 arranged on pressure roller body 1 inwall, regardless of pressure roller body 1
Lubricating oil all can be lifted up and be poured onto in eccentric block, rotating shaft 2 and a bearing 3 by positive and negative rotation, reaches sufficient lubrication and accelerates heat radiation
Purpose, after operating temperature reduces, it is possible to effectively delay oil ageing, extend the service life of a bearing 3.
Also having air-vent 13 in described bearing 3, described air-vent 13 is in communication with the outside internal for pressure roller body 1.When
When temperature within pressure roller body 1 raises, taking turns internal meeting and build up more oil gas, the oil sealing that can directly result in a bearing 3 loses
Effect leakage of oil, oil gas can quickly be got rid of by the air-vent 13 offered, and protects the containment member within pressure roller body 1 to greatest extent,
Extend its service life.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (4)
1., for a pressure roller for road roller, including pressure roller body (1) and rotating shaft (2), pressure roller body is run through in one end of rotating shaft (2)
(1) end and rotation are arranged on the other end of rotating shaft (2) on pressure roller body (1) inwall and are connected with the outfan driving motor,
It is characterized in that: bearing (3) is installed on described pressure roller body (1), a bearing (3) upper along rotating shaft (2) axial the most successively
It is provided with support inner ring (11) and supports outer ring (12), having groove (17), on groove (17) inwall supporting on inner ring (11)
Having blind hole, rotate and be provided with roller bearing (16) in blind hole, roller bearing (16) contacts with rotating shaft (2), at roller bearing and groove (17) inwall
Junction floating sleeve (15) is installed, in roller bearing (16) is arranged on floating sleeve (15), in floating sleeve (15) and blind hole
Connected by spring (14) between inwall；Also include being arranged on the sealing lid (21) supporting inner ring (11), seal lid described
(19) and be also equipped with threaded sleeve (20) between rotating shaft (2), the outer surface of described threaded sleeve (20) is multiple thread, and many
The direction of rotation of head thread is pressure roller body (1) inner side；Also include the phantom ring (5) being made up of solid self lubricant material, servo-actuated
Ring (5) is set on rotating shaft (2) outer wall, and has cannelure on threaded sleeve (20) inwall, and phantom ring (5) outer wall is with described
The bottom land contact of cannelure.
A kind of pressure roller for road roller the most according to claim 1, it is characterised in that: corresponding described bearing (3)
Pressure roller body (1) inwall on have rectangular channel (4), the end of rectangular channel (4) rotates and is provided with roller (6), roller (6) with
Rotating shaft (2) contacts.
A kind of pressure roller for road roller the most according to claim 1, it is characterised in that: in the upper installation of described rotating shaft (2)
Movable eccentric block (10) and two fixed eccentric blocks (7), (9), movable eccentric block (10) are had to be arranged on two fixed eccentric blocks
(7), between (9), being provided with backing pin (8) on fixed eccentric block (7), described movable eccentric block (10) rotates and is arranged on rotating shaft
(2) on, and being provided with projection (19) on movable eccentric block (10), described backing pin (8) is positioned at described projection (19) and does circumference fortune
On dynamic track.
A kind of pressure roller for road roller the most according to claim 1, it is characterised in that: also open on described bearing (3)
Having air-vent (13), described air-vent (13) is in communication with the outside internal for pressure roller body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744526.XA CN106149522A (en) | 2016-08-29 | 2016-08-29 | A kind of pressure roller for road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744526.XA CN106149522A (en) | 2016-08-29 | 2016-08-29 | A kind of pressure roller for road roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106149522A true CN106149522A (en) | 2016-11-23 |
Family
ID=57344249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610744526.XA Pending CN106149522A (en) | 2016-08-29 | 2016-08-29 | A kind of pressure roller for road roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106149522A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104164823A (en) * | 2014-08-15 | 2014-11-26 | 成都兴博达精密机械有限公司 | Road roller wheel supporting device and using method thereof |
| CN205371636U (en) * | 2016-01-27 | 2016-07-06 | 成都世纪阳光密封件有限公司 | A follow -up ring that under is used for big offset operating mode and sealing member that constitutes thereof |
-
2016
- 2016-08-29 CN CN201610744526.XA patent/CN106149522A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104164823A (en) * | 2014-08-15 | 2014-11-26 | 成都兴博达精密机械有限公司 | Road roller wheel supporting device and using method thereof |
| CN205371636U (en) * | 2016-01-27 | 2016-07-06 | 成都世纪阳光密封件有限公司 | A follow -up ring that under is used for big offset operating mode and sealing member that constitutes thereof |
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Application publication date: 20161123 |
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