CN107687164A - High-fill roadbed substrate tamps flattening device - Google Patents
High-fill roadbed substrate tamps flattening device Download PDFInfo
- Publication number
- CN107687164A CN107687164A CN201710888079.XA CN201710888079A CN107687164A CN 107687164 A CN107687164 A CN 107687164A CN 201710888079 A CN201710888079 A CN 201710888079A CN 107687164 A CN107687164 A CN 107687164A
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- China
- Prior art keywords
- support shaft
- eccentric block
- adjusting roller
- cylinder
- outer tube
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
- E02D3/074—Vibrating apparatus operating with systems involving rotary unbalanced masses
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses high-fill roadbed substrate to tamp flattening device, including cylinder and support shaft, deck is installed on cylinder, on deck inner sleeve and outer tube are disposed with along the axial direction of support shaft, an annular space is formed between inner sleeve and outer tube, inner sleeve has multiple blind holes on the end face relative with outer tube, the rotating shaft both ends of each adjusting roller are rotatably arranged in two mutually corresponding blind holes respectively, the outer circle wall of adjusting roller contacts with the outer circle wall of support shaft, floating pipe is separately installed with the rotating shaft both ends of adjusting roller, connected floating between pipe and blind hole inwall by multiple springs.When the operating temperature rise of support shaft, the radial expansion volume of support shaft is big, the method of preset clearance is not enough to the swell increment of correction support shaft on outer tube, and then reduce the service life of support shaft, to this, applicant is by setting adjusting roller and floating pipe come the swell increment for the support shaft that makes corrections, to solve the problems, such as that its service life is short.
Description
Technical field
The present invention relates to the realm of building construction, and in particular to high-fill roadbed substrate tamps flattening device.
Background technology
High roadbed is to reach required structures by layered rolling backfill to set than what physical features around was substantially higher by
Count arrangement and method for construction.In rice terrace or chaor band all the year round, with the filling roadbed height of fine grained soil in more than 6m, other areas banket or
Rock-filling embankment height is in more than 20m, referred to as high-fill roadbed.The main distinction of high-fill roadbed and common roadbed filling exists
In：(1) substrate of high-fill roadbed bears that the load of subgrade soils in itself is very big, therefore to examine bearing capacity (or the sedimentation of ground
Amount) and subgrade stability, if ground be mollisol, stabilization and heavy can not be met by carrying out compacting before conventional fill out to original soil
Drop is when requiring, be by《Highway soft soil ground roadbed design and construction technique normalizing》(JTJ017-96) require to supervising engineer
It is proposed, reinforcing punishment is carried out to weak soil.(2) it is not easy to be tightly combined with primary side slope soil because loosening the soil, and compacting difficulty is big, because
Strictly the width of subgrade (including Widening) of this layer must be filled by road foundation height mark and design side slope degree during this roadbed filling, no
It must lack and fill up.(3) because side slope outside ground Quito be not dig step, above landfill loose spoir after heavy rain edge
When hillside glides, the part roadbed within design side slope can be made also to be glided by traction, cause roadbed top surface to ftracture, therefore worked as and fill out
When square ground is slope, after the completion of filled-up ground, the loose spoir outside design side slope is cleared up.
And when carrying out compacting processing to high-fill roadbed substrate, typically operated using road roller.And road roller is
A kind of compacting construction machinery using special steel wheel or racing slick as apparatus for work, be widely used in road engineering, airport harbour,
To native stone embankment and the compacting operation of paving material, it is the close of increase working face that it, which is acted on, for mine dam, urban construction etc.
Solidity, so as to improve the structural strength of working face and rigidity, strengthen impermeabilisation ability and resistance to weather, it is heavy to reduce or eliminate
Fall into, be finally reached and improve engineering bearing capacity, the purpose for the maintenance cost that increases the service life, reduces.Due to the work of compacting operation
Condition varies, and compacting machinary series and description are various, it can be simply divided into road roller, rammer compacter and garbage truck
Machine etc..Road roller is divided into self-propelled, hand-held and towed again, rammer compacter (equipment is flat board) be divided into again impact plate compactor and
Vibratory plate compactor etc..Wherein road roller be divided into quiet calendering roller, single vibratory road roller, double-steel wheeled vibratory roller,
Several big series such as combination roller, rubber-tyred roller, light-duty road roller and other extraordinary road rollers.Road is pressed in single steel wheeled vibratory
During the use of machine, because rotating shaft can produce substantial amounts of heat energy, and then cause rotating shaft self-temperature to raise and deform upon, make
It must be that the gap that rotating shaft is reserved can not meet the deformation quantity of rotating shaft in itself, cause axis of rotation dumb, influence the work of road roller
Sequence efficiency.
The content of the invention
Present invention aims at provide high-fill roadbed substrate compacting flattening device, avoid rotating shaft work long hours after because by
Heat and expand influence operating efficiency, improve shaft vibration wheel service life.
The present invention is achieved through the following technical solutions：
High-fill roadbed substrate tamps flattening device, including cylinder and the support shaft for being rotatably arranged on inner barrel, support
One end of axle stretches out behind the end of cylinder, is provided with deck on the cylinder, along the axial direction of support shaft on deck
Inner sleeve and outer tube are disposed with, an annular space is formed between inner sleeve and outer tube, inner sleeve is relative with outer tube
End face on have multiple blind holes, in addition to a multiple adjusting rollers, the rotating shaft both ends difference of each adjusting roller
It is rotatably arranged in two mutually corresponding blind holes, the outer circle wall of adjusting roller contacts with the outer circle wall of support shaft, is adjusting
The rotating shaft both ends of section roller are separately installed with floating pipe, are connected floating between pipe and blind hole inwall by multiple springs.For
Easily there is temperature distortion in high-fill roadbed substrate flattening device, rotating shaft of such as road roller wheel body in compacting in the prior art
Factor, i.e., when the operating temperature rise of support shaft, the radial expansion volume of support shaft is big, the method for preset clearance on outer tube
It is not enough to the swell increment of correction support shaft, it is easy to cause deck to be damaged, and then reduce the service life of support shaft, on the other hand, Shen
Ask someone to design a kind of wheel body used dedicated for single vibratory road roller, to solve its work heat production height, service life
The problem of short；During work, outside motor drives support shaft to rotate, and support shaft is rotatably arranged on deck, adjusted simultaneously
The outer circle wall of the outer circle wall of roller and support the end of the shaft keeps contacting, the relative end face of inner sleeve and outer tube on
Multiple blind holes are opened up, blind hole inwall is connected with floating pipe by spring, and the axis of rotation of adjusting roller is arranged in floating pipe, is floated
Dynamic pipe may be such that roller bearing realizes the displacement of radial direction, be entered by the size or direction, floating pipe of roller bearing Axial and radial stress supported
Row movement in the same direction, spring can be buffered radial stress caused by support shaft by compression, and spring-return can then reset roller bearing, with
This realizes support shaft automatically adjusting in heated generation Volume Changes, avoids causing deck larger damage, and then extend
The service life of support shaft.
Movable eccentric block and two fixed eccentric blocks are installed in the support shaft, movable eccentric block is arranged on two admittedly
Between determining eccentric block, backing pin is provided with fixed eccentric block, the movable eccentric block is rotatably arranged in support shaft, and in work
Protuberance is installed on dynamic eccentric block, the backing pin is located on the track that the protuberance moves in a circle.When motor band
When dynamic support shaft turns clockwise, the quiet eccentric throw of movable eccentric block and fixed eccentric block is subtracted each other, and so as to produce small amplitude, that is, is worked as
When eccentric block reaches minimum point simultaneously, under the influence of centrifugal force, whole cylinder is greatly held；Support shaft rotate counterclockwise
When, movable eccentric block is added with the quiet eccentric throw of fixed eccentric block, and then produces large amplitude, i.e., when eccentric block reaches highest simultaneously
During point, under the influence of centrifugal force, whole cylinder is suspended；Under conditions of eccentric block quality is not changed, supported by changing
The direction of rotation of axle just can reach the purpose for changing quiet eccentric throw, and then realize the regulation of the working amplitude of cylinder.
Lubricating layer is provided with the outer circle wall of the adjusting roller, the lubricating layer uses solid self lubricant material system
Into.Contacted preferably, adjusting roller remains with the outer circle wall of support shaft, easily produce mutually abrasion, on the other hand, application
People sets lubricating layer made of solid self lubricant material on the outer circle wall of adjusting roller, can be in adjusting roller and support shaft end
A lubricating film is formed on the outer circle wall in portion, the wear extent between two contact surfaces can be greatly lowered in the lubricating film, with
Realize the steady operation of support shaft or adjusting roller.
Heat emission hole is also provided with the deck, inner barrel is in communication with the outside by the heat emission hole.When the temperature of inner barrel
During degree rise, wheel can build up more oil gas in vivo, can directly result in the oil seal failure oil leak of deck, the heat emission hole opened up can
Quickly oil gas is excluded, the containment member of inner barrel is protected to greatest extent, extends its service life.
The present invention compared with prior art, has the following advantages and advantages：
1st, high-fill roadbed substrate compacting flattening device of the present invention, floating pipe may be such that roller bearing realizes the displacement of radial direction, lead to
Size or the direction of roller bearing Axial and radial stress supported are crossed, floating pipe carries out movement in the same direction, and spring will can be supported by compression
Radial stress caused by axle buffers, and spring-return can then reset roller bearing, realizes that heated Volume Changes occur for support shaft with this
When automatically adjust, avoid causing deck larger damage；
2nd, high-fill roadbed substrate compacting flattening device of the present invention, under conditions of eccentric block quality is not changed, by changing
The direction of rotation for becoming support shaft just can reach the purpose for changing quiet eccentric throw, and then realize the regulation of the working amplitude of cylinder；
3rd, high-fill roadbed substrate compacting flattening device of the present invention, solid is set on the outer circle wall of adjusting roller from profit
Lubricating layer made of sliding material, can form a lubricating film, the lubrication on adjusting roller and the outer circle wall of support the end of the shaft
The wear extent between two contact surfaces can be greatly lowered in film, to realize the steady operation of support shaft or adjusting roller.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is Fig. 1 partial enlarged drawing；
Fig. 3 is the sectional view of eccentric block.
Mark and corresponding parts title in accompanying drawing：
1- cylinders, 2- support shafts, 3- decks, 4- blind holes, 5- adjusting rollers, 6- fixed eccentric blocks, 7- backing pins, 8- fix inclined
Heart block, 9- activities eccentric block, 10- inner sleeves, 11- outer tubes, 12- heat emission holes, 13- springs, 14- floatings pipe, 15- protuberances.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Figures 1 to 3, the present embodiment includes cylinder 1 and the support shaft 2 being rotatably arranged on inside cylinder 1, support shaft 2
One end stretch out behind the end of cylinder 1, deck 3 is installed on the cylinder 1, along the axle of support shaft 2 on deck 3
To inner sleeve 10 and outer tube 11 is disposed with, an annular space, inner sleeve 10 are formed between inner sleeve 10 and outer tube 11
Multiple blind holes 4, in addition to multiple adjusting rollers 5, each described regulating roller are had on the end face relative with outer tube 11
The rotating shaft both ends of cylinder 5 are rotatably arranged in two mutually corresponding blind holes 4 respectively, outer circle wall and the support shaft 2 of adjusting roller 5
Outer circle wall contact, floating pipe 14 is separately installed with the rotating shaft both ends of adjusting roller 5, in floating pipe 14 and the inwall of blind hole 4
Between connected by multiple springs 13.
When the operating temperature rise of support shaft 2, the radial expansion volume of support shaft 2 is big, the preset clearance on outer tube 11
Method be not enough to make corrections the swell increment of support shaft 2, it is easy to cause deck 3 impaired, and then reduce support shaft 2 uses the longevity
Life, on the other hand, applicant designs a kind of wheel body used dedicated for single vibratory road roller, to solve its work heat production
Height, the problem of service life is short；During work, outside motor drives support shaft 2 to rotate, and support shaft 2 is rotatably arranged on card
On seat 3, while the outer circle wall of adjusting roller 5 keeps contacting with the outer circle wall of the end of support shaft 2, in inner sleeve 10 and outside
The relative end face of sleeve pipe 11 on open up multiple blind holes 4, the inwall of blind hole 4 is connected with floating pipe 14, adjusting roller 5 by spring 13
Axis of rotation be arranged in floating pipe 14, floating pipe 14 may be such that roller bearing realizes the displacement of radial direction, pass through roller bearing axle 2 supported
The size of radial stress or direction, floating pipe 14 carry out movement in the same direction, and spring 13 can be by footpath caused by support shaft 2 by compression
To stress buffer, spring 13 is replied, and can reset roller bearing, realizes that support shaft 2 is automatic in heated generation Volume Changes with this
Regulation, avoids causing deck 3 larger damage, and then extends the service life of support shaft 2.
The present embodiment is provided with movable eccentric block 9 and two fixed eccentric blocks, movable eccentric block 9 in the support shaft 2
It is arranged between two fixed eccentric blocks, backing pin 7 is provided with fixed eccentric block, the movable eccentric block 9 is rotatably arranged on
In support shaft 2, and protuberance 15 is installed on movable eccentric block 9, the backing pin 7 is located at the protuberance 15 and moved in a circle
Track on.When motor drives support shaft 2 to turn clockwise, the quiet eccentric throw of movable eccentric block 9 and fixed eccentric block
Subtract each other, so as to produce small amplitude, i.e., when eccentric block reaches minimum point simultaneously, under the influence of centrifugal force, whole cylinder 1 is big
Hold on ground；During 2 rotate counterclockwise of support shaft, movable eccentric block 9 is added with the quiet eccentric throw of fixed eccentric block, and then is produced and shaken greatly
Width, i.e., when eccentric block peaks simultaneously, under the influence of centrifugal force, whole cylinder 1 is suspended；Do not changing eccentric block
Under conditions of quality, the direction of rotation by changing support shaft 2 just can reach the purpose for changing quiet eccentric throw, and then realize cylinder
The regulation of 1 working amplitude.
Embodiment 2
As shown in figure 1, being also provided with heat emission hole 12 on deck 3 described in the present embodiment, the heat emission hole 12 is by inside cylinder 1
It is in communication with the outside.When temperature inside cylinder 1 raises, wheel can build up more oil gas in vivo, can directly result in deck 3
Oil seal failure oil leak, the heat emission hole 12 opened up quickly can exclude oil gas, protect the sealing structure inside cylinder 1 to greatest extent
Part, extend its service life.
Contacted preferably, adjusting roller 5 remains with the outer circle wall of support shaft 2, easily produce mutually abrasion, it is right
This, applicant sets lubricating layer made of solid self lubricant material on the outer circle wall of adjusting roller 5, can be in adjusting roller 5
With forming a lubricating film on the outer circle wall of the end of support shaft 2, the lubricating film can be greatly lowered between two contact surfaces
Wear extent, to realize the steady operation of support shaft 2 or adjusting roller 5.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (4)
1. high-fill roadbed substrate tamps flattening device, including cylinder (1) and the support shaft for being rotatably arranged on cylinder (1) inside
(2), one end of support shaft (2) stretches out behind the end of cylinder (1), it is characterised in that：Installed on the cylinder (1)
There is a deck (3), inner sleeve (10) and outer tube (11) are disposed with along the axial direction of support shaft (2) on deck (3), in inner sleeve
(10) annular space is formed between outer tube (11), inner sleeve (10) is more with being had on the relative end face of outer tube (11)
Individual blind hole, in addition to multiple adjusting rollers (5), the rotating shaft both ends of each adjusting roller (5) are rotatably arranged on two respectively
In individual mutually corresponding blind hole, the outer circle wall of adjusting roller (5) contacts with the outer circle wall of support shaft (2), in adjusting roller
(5) rotating shaft both ends are separately installed with floating pipe (14), pass through multiple springs (14) between pipe (14) and blind hole inwall floating
Connection.
2. high-fill roadbed substrate according to claim 1 tamps flattening device, it is characterised in that：In the support shaft
(2) movable eccentric block (9) and fixed eccentric block (6), fixed eccentric block (8) are installed, movable eccentric block (9) is arranged on fixation on
Between eccentric block (6), fixed eccentric block (8), backing pin (7), the movable eccentric block (10) are provided with fixed eccentric block (6)
It is rotatably arranged in support shaft (2), and protuberance (15) is installed on movable eccentric block (9), the backing pin (7) is positioned at described
On the track that protuberance (15) moves in a circle.
3. high-fill roadbed substrate according to claim 1 tamps flattening device, it is characterised in that：In the adjusting roller
(5) lubricating layer is provided with outer circle wall, the lubricating layer is made by fixing self-lubricating cunning material.
4. high-fill roadbed substrate according to claim 1 tamps flattening device, it is characterised in that：On the deck (3)
Heat emission hole (13) is also provided with, the heat emission hole (13) will be in communication with the outside inside cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710888079.XA CN107687164A (en) | 2017-09-27 | 2017-09-27 | High-fill roadbed substrate tamps flattening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710888079.XA CN107687164A (en) | 2017-09-27 | 2017-09-27 | High-fill roadbed substrate tamps flattening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107687164A true CN107687164A (en) | 2018-02-13 |
Family
ID=61156574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710888079.XA Pending CN107687164A (en) | 2017-09-27 | 2017-09-27 | High-fill roadbed substrate tamps flattening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107687164A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411289A (en) * | 2020-11-19 | 2021-02-26 | 上海宝冶集团有限公司 | High fill roadbed construction method adjacent to dam |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2395154A1 (en) * | 2010-06-14 | 2011-12-14 | Soilmec S.p.A. | Device and method for drilling and tamping grounds |
| CN103132434A (en) * | 2011-11-23 | 2013-06-05 | 徐州至信建材机械有限公司 | Structure of road roller vibrating wheel |
| CN103938530A (en) * | 2014-04-30 | 2014-07-23 | 成都海凌达机械有限公司 | Vibrating drum body |
| CN203821204U (en) * | 2014-04-30 | 2014-09-10 | 成都海凌达机械有限公司 | Wheel body structure of vibratory roller with single steel wheel |
| CN203821203U (en) * | 2014-04-30 | 2014-09-10 | 成都海凌达机械有限公司 | Wheel body structure of vibratory roller |
| 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 |
-
2017
- 2017-09-27 CN CN201710888079.XA patent/CN107687164A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2395154A1 (en) * | 2010-06-14 | 2011-12-14 | Soilmec S.p.A. | Device and method for drilling and tamping grounds |
| CN103132434A (en) * | 2011-11-23 | 2013-06-05 | 徐州至信建材机械有限公司 | Structure of road roller vibrating wheel |
| CN103938530A (en) * | 2014-04-30 | 2014-07-23 | 成都海凌达机械有限公司 | Vibrating drum body |
| CN203821204U (en) * | 2014-04-30 | 2014-09-10 | 成都海凌达机械有限公司 | Wheel body structure of vibratory roller with single steel wheel |
| CN203821203U (en) * | 2014-04-30 | 2014-09-10 | 成都海凌达机械有限公司 | Wheel body structure of vibratory roller |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411289A (en) * | 2020-11-19 | 2021-02-26 | 上海宝冶集团有限公司 | High fill roadbed construction method adjacent to dam |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180213 |
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| RJ01 | Rejection of invention patent application after publication |