CN106906705A - A kind of sleeper replacement device and its operational method - Google Patents
A kind of sleeper replacement device and its operational method Download PDFInfo
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- CN106906705A CN106906705A CN201710290248.XA CN201710290248A CN106906705A CN 106906705 A CN106906705 A CN 106906705A CN 201710290248 A CN201710290248 A CN 201710290248A CN 106906705 A CN106906705 A CN 106906705A
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- sleeper
- bucket
- clamp
- replacement device
- hole
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/06—Transporting, laying, removing or renewing sleepers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of sleeper replacement device and its operational method, sleeper replacement device includes：It is connected to the mounting seat of excavator；The bucket being connected with mounting seat, for sleeper to be pushed into specified location, digs railway ballast and railway ballast is taken off into flat, and take railway ballast and backfilled；The Jia Zhen mechanisms being connected with mounting seat, for clamping, locking, rotate and discharge sleeper, so as to realize the replacing of sleeper.The present invention can solve the problem that the existing pillow operating type that changes cannot be while take into account the technical problem for reducing labour intensity and reducing cost of investment.
Description
Technical field
The present invention relates to railway engineering mechanical field, more particularly, to a kind of railroad sleeper more changing device and its operator
Method.
Background technology
It is big using manual work labour intensity, it is necessary to be changed to sleeper after railroad sleeper service life expires, operation
Efficiency is low.Current changes pillow operation, and pillow technology is changed using manual sleeper replacement and overhaul row.
Manual sleeper replacement is to organize hundreds of people to change the operating type of pillow while reaching the standard grade simultaneously.They press certain packet, use
The instruments such as crowbar, pick, shovel, by the stream for unclamping fastener, push railway ballast aside, prize sleeper, replacing sleeper, upper clasp, backfill railway ballast
Cheng Jinhang repeats operation.
Overhaul row change the overhaul that pillow technology used and arranges by power car, Operation Van, less important work car, stores van, sleeper fortune
The marshalling of the cars such as defeated car is formed.After fastener unclamps, less important work car pushs rail aside, and Operation Van takes out old sleeper from railway ballast,
New sleeper embedment, realizes automation and changes pillow operation substantially.
However, railway operation is that must carry out concentration work at a set time " skylight point " the characteristics of most prominent
Industry.Using manual sleeper replacement mode, it is necessary to tissue hundreds of people is reached the standard grade operation simultaneously, management difficulty is big, is difficult to ensure that safely.Using big
Repair row and change pillow mode, sleeper replacement can substantially realize automation, and labour intensity reduction, operating efficiency are improved, and security also can
Ensure, but a cost of investment of overhaul row is too big, and the Railway Bureau that China only has only a few is equipped with overhaul row, round to expire
The huge work business demand of foot.
The content of the invention
In view of this, it is existing to solve it is an object of the invention to provide a kind of sleeper replacement device and its operational method
Changing pillow operating type cannot be while takes into account the technical problem for reducing labour intensity and reducing cost of investment.
In order to realize foregoing invention purpose, the present invention specifically provides a kind of technic relization scheme of sleeper replacement device,
A kind of sleeper replacement device, including：
The mounting seat being connected with excavator；
The bucket being connected with the mounting seat, for sleeper to be pushed into specified location, digs railway ballast and railway ballast is taken off into flat, and take
Railway ballast is backfilled；
The Jia Zhen mechanisms being connected with the mounting seat, for clamping, locking, rotate and discharging the sleeper, so as to realize
The replacing of the sleeper.
Preferably, offer two pairs of coaxially arranged mounting holes in the mounting seat, the two pairs of mounting holes respectively with institute
State the dipper of excavator, and the connection of bucket arm cylinder connecting rod.The sidepiece of the mounting seat is provided with flange connecting seat with bottom, point
It is not connected with the bucket, Jia Zhen mechanisms.
Preferably, when the bucket arm cylinder of the excavator stretches out or retracts, the mounting seat rotation is driven, is realized described
Switching of the sleeper replacement device between bucket station or folder pillow station.
Preferably, the bucket include bucket main body one, bucket main body two and bucket main body three, the bucket main body one with
The interval that can accommodate rail is left between bucket main body two, and the bucket main body two and bucket main body three.In the bucket
Relative sidepiece is provided with disk roller installation between main body one and bucket main body two, and the bucket main body two and bucket main body three
Plate.It is provided with the disk roller installing plate multigroup apart from bucket bottom different height, the disk roller peace for installing disk roller
Dress hole, to adapt to the digging tiny fragments of stone, coal, etc. operation of different depth, the disk roller can be rolled in the top surface of the rail.
Preferably, the folder pillow device includes rotating mechanism, and is arranged on the pedestal of the rotating mechanism bottom, the rotation
The top of rotary device is connected by flange connecting plate with the mounting seat, the bottom of the whirligig by flange connecting seat with
The pedestal connection, the rotating mechanism can drive the pedestal to rotate.
Preferably, the both sides of the pedestal are each provided with a pair clamp levers for realizing sleeper clamping, the pedestal
Bottom be provided with buffer rubber gasket, for clamping during sleeper from support and cushioning effect.
Preferably, the folder pillow device includes clamp, and the clamp includes intersecting sway bar and clamp oil cylinder, the clamp
Five holes are provided with lever, the first hole, the second hole, the 3rd hole, the 4th hole and the 5th hole are followed successively by from top to bottom.Four clamps
Lever is divided to the both sides that two pairs of the 3rd holes by middle part are symmetrically installed on the pedestal.The clamp oil cylinder is connected to positioned at same
Between the first hole at the top of side bitting clamp lever, the intersection sway bar is movably connected on the clamp thick stick by threaded bearing pin
Second hole of bar and the 4th hole of another clamp lever for being located at the same side, make the clamp lever keep right when sleeper is clamped
Claim.
Preferably, when the clamp oil cylinder stretches out or retracts, the clamp lever is driven to be rotated around the 3rd hole, institute
State and close up or open on the downside of clamp lever, the clamp closes up or opens, the sleeper is clamped or unclamped.
Preferably, the clamp also includes folder hook and pressing plate, and the folder hook is articulated with the 5th hole of the clamp lever, institute
State pressing plate to be articulated with the folder hook, the pressing plate can freely be rotated in certain limit, for the plane of the sleeper of fitting.
The present invention also specifically provides a kind of technic relization scheme of the operational method of sleeper replacement device, a kind of rail in addition
The operational method of more changing device is rested the head on, is comprised the following steps：
A) excavator drives sleeper replacement device to be moved to the discontinuous starting point of sleeper, rotates mounting seat, and bucket starts to dig the tiny fragments of stone, coal, etc.；
The excavator is moved to the discontinuous terminal of sleeper, and the bucket is while discontinuous segment railway ballast has been dug by the railway ballast of bottom
Put down；
B) the movement sleeper replacement device, railway ballast is accumulated to the both sides of track；
C the fastener of the track) is removed, clamp picks up the old sleeper of the discontinuous terminal of sleeper, promotes the old sleeper extremely
Near the midpoint of discontinuous segment, folder pillow device rotates 70~110 degree, and the old sleeper of taking-up is simultaneously placed in the one of the track
Side；
D) clamp picks up new sleeper, and its vertical equity is placed near the midpoint of discontinuous segment, the folder pillow machine
Structure rotates, and makes new sleeper vertical with the track, to the discontinuous starting point direction new sleeper of promotion to requiring position, fastening clip；
E) bucket digs the tiny fragments of stone, coal, etc. near old sleeper, and by railway ballast be backfilled to new sleeper and the new sleeper previous sleepers it
Between；
F) repeat step A)~step E), complete the replacing of old sleeper.
By implementing the technical scheme of sleeper replacement device that the invention described above provides and its operational method, with having as follows
Beneficial effect：
(1) present invention carries out railway ballast excavation and backfill using mechanization means, can reduce the labor that railway ballast is excavated and backfilled
Dynamic operation intensity, and reduce cost of investment；
(2) present invention uses sleeper clamp device, and for pulling out for old sleeper, and the embedment operation of new sleeper can enter one
Step reduces labour intensity, reduces the activity duration.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described.It should be evident that drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other embodiments are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation front view of specific embodiment of sleeper replacement device of the present invention；
Fig. 2 is a kind of structural representation left view of specific embodiment of sleeper replacement device of the present invention；
Fig. 3 is a kind of structural representation top view of specific embodiment of sleeper replacement device of the present invention；
Fig. 4 is a kind of structural representation of specific embodiment of sleeper replacement device of the present invention；
Fig. 5 is a kind of structural representation of the specific embodiment of sleeper replacement device of the present invention under another visual angle；
Fig. 6 is the attachment structure schematic diagram of sleeper replacement device of the present invention and excavator；
In figure：1- mounting seats, 11- mounting holes, 12- flange connecting seats, 2- buckets, 21- bucket main bodys, 22- bucket main bodys,
23- bucket main bodys, 24- disk roller mounting holes, 25- disk roller installing plates, 26- disk rollers, 3- Jia Zhen mechanisms, 31- rotating mechanisms, 32- bases
Seat, 33- clamp levers, 34- buffer rubber gaskets, 35- folder hooks, 36- pressing plates, 37- intersects sway bar, 38- hydraulic jacks, 4- sleepers
More changing device, 5- excavators, 51- dippers, 52- bucket arm cylinder connecting rods, 53- bucket arm cylinders.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.Obviously, described embodiment is only
Only it is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
All other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
As shown in accompanying drawing 1 to accompanying drawing 6, the specific embodiment of sleeper replacement device of the present invention and its operational method is given,
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of specific embodiment of sleeper replacement device, including：
The mounting seat 1 being connected with excavator 5, as shown in Figure 6；
The bucket 2 being connected with mounting seat 1 by bolt, for sleeper to be pushed into specified location, is dug railway ballast and railway ballast is taken off into flat,
And take railway ballast and backfilled；
The Jia Zhen mechanisms 3 being connected with mounting seat 1 by bolt, for clamping, locking, rotate and discharging the sleeper, from
And realize the replacing of the sleeper.
Offer two pairs of coaxially arranged mounting holes 11 in mounting seat 1, two pairs of mounting hole 11 respectively with the dipper of excavator 5
51 and bucket arm cylinder connecting rod 52 connect.The sidepiece of mounting seat 1 is provided with flange connecting seat 12 with bottom, respectively with bucket 2, folder
Pillow mechanism 3 connects.When the bucket arm cylinder 53 of excavator 5 stretches out or retracts, drive mounting seat 1 to rotate, realize that sleeper replacement is filled
Put 4 switchings between bucket station or folder pillow station.
As shown in accompanying drawing 2,3,4 and 5, bucket 2 has certain capacity, and further includes bucket main body 1, bucket master
Body 2 22 and bucket main body 3 23, bucket main body 1 and bucket main body 2 22, and bucket main body 2 22 and bucket main body three
Being left between 23 can accommodate the interval of rail.In bucket main body 1 and bucket main body 2 22, and bucket main body 2 22 and digging
Relative sidepiece is provided with disk roller installing plate 25 between bucket main body 3 23.It is provided with disk roller installing plate 25 multigroup apart from bucket
2 bottom different heights, the disk roller mounting hole 24 for installing disk roller 26, disk roller mounting hole 24 is coaxial circular aperture, disk roller mounting hole
24 adjust excavating depth on the disk roller mounting hole 24 away from the bottom different height of bucket 2, to adapt to the digging tiny fragments of stone, coal, etc. of different depth
Operation.Disk roller 26 can be rolled in the top surface of rail.
Folder pillow device 3 further includes rotating mechanism 31, and is arranged on the pedestal 32 of the bottom of rotating mechanism 31, whirligig
31 top is connected by flange connecting plate with mounting seat 1, and the bottom of whirligig 31 is connected by flange connecting seat with pedestal 32
Connect, rotating mechanism 31 can rotate with moving base 32.The both sides of pedestal 32 are each provided with a pair clamps for realizing sleeper clamping
Lever 33, the bottom of pedestal 32 is provided with buffer rubber gasket 34, for clamping during sleeper from support and cushioning effect.
As shown in Figure 1, folder pillow device 3 further includes clamp, and clamp includes intersecting sway bar 37 and clamp oil cylinder 38,
Five holes are provided with clamp lever 33, the first hole, the second hole, the 3rd hole, the 4th hole and the 5th hole are followed successively by from top to bottom.Four
Two pairs of the 3rd holes by middle part of individual clamp lever 33 point are symmetrically installed on the both sides of pedestal 32.Clamp oil cylinder 38 is connected to position
Between first hole at the top of same side bitting clamp lever 33, clamp oil cylinder 38 uses the hydraulic jack, clamp oil cylinder 38 can to drive folder
Pincers lever 33 opens or closes.Two are intersected sway bar 37 and the second of clamp lever 33 are movably connected on by threaded bearing pin
Hole and the 4th hole of another clamp lever 33 for being located at the same side, make clamp lever 33 keep symmetrical when sleeper is clamped.
Clamp also includes folder hook 35 and pressing plate 36, and the bottom for pressing from both sides hook 35 is hook-shaped protuberance, and folder hook 35 is articulated with clamp lever
33 the 5th hole, pressing plate 36 is articulated with the middle part of folder hook 35, and pressing plate 36 can freely be rotated in certain limit, for sleeper of fitting
Plane.
When clamp oil cylinder 38 stretches out or retracts, clamp lever 33 is driven around the rotation of the 3rd hole, the downside of clamp lever 33
Close up or open, clamp closes up or opens, sleeper is clamped or unclamped.
The sleeper replacement device 4 of the description of embodiment 1 has the digging tiny fragments of stone, coal, etc. and sleeper gripping body, mounting seat 1, bucket 2, folder simultaneously
Pillow mechanism 3 can use dismountable modular construction.Bucket 2 have by railway ballast put down and landfill effect, Jia Zhen mechanisms 3 are then
Sleeper can be gripped in specified location, rotation sleeper is driven by power set, realize the process that sleeper takes out under rail, inversely
Operation can then realize the embedment process of sleeper.The sleeper replacement device 4 of the description of embodiment 1 can reduce labour intensity, have again
Standby good economy.
Embodiment 2
A kind of specific embodiment of the device operational method of sleeper replacement as described in Example 1, comprises the following steps：
A) excavator 5 drives sleeper replacement device 4 to be moved to the discontinuous starting point of sleeper (as shown in A points in accompanying drawing 6), rotates
Mounting seat 1, bucket 2 start to dig the tiny fragments of stone, coal, etc.；Excavator 5 is moved to the discontinuous terminal of sleeper (as shown in B points in accompanying drawing 6), and bucket 2 is being incited somebody to action
Discontinuous segment (as shown in the middle conductor AB of accompanying drawing 6) puts down the railway ballast of bottom while railway ballast has dug；Generally sleeper it
Between be spaced 600mm or so, after being extracted out if part sleeper, then the sleeper of this section is exactly discontinuous, according to excavator 5
Operating direction (as shown in L in accompanying drawing 6), starting one end be referred to as the discontinuous starting point of sleeper, it is discontinuous that the other end is referred to as sleeper
Terminal, the line segment between the discontinuous starting point of sleeper and the discontinuous terminal of sleeper is then discontinuous segment；
B) mobile sleeper replacement device 4, railway ballast is accumulated to the both sides of track；
C the fastener of track) is removed, clamp picks up the old sleeper of the discontinuous terminal of sleeper, promotes old sleeper to discontinuous segment
Midpoint near, folder pillow device 3 rotates 70~110 degree, and the old sleeper of taking-up is simultaneously placed in the side of track；
D) clamp picks up new sleeper, and its vertical equity is placed near the midpoint of discontinuous segment, and Jia Zhen mechanisms 3 rotate,
Make new sleeper vertical with track, new sleeper is promoted to requiring position, fastening clip to discontinuous starting point direction；
E) bucket 2 digs the tiny fragments of stone, coal, etc. near old sleeper, and railway ballast is backfilled between new sleeper and the previous sleepers of new sleeper；
F) repeat step A)~step E), complete the replacing of old sleeper.
The sleeper replacement device operational method of the description of embodiment 2 can quickly complete old rail by sleeper replacement device 4
Pillow is taken out, new sleeper is imbedded, railway ballast excavates, puts down and backfill, and can replace well needs to expend a large amount of heavy physical labors
Traditional sleeper replacement operation process.
By implementing the sleeper replacement device of specific embodiment of the invention description and its technical scheme of operational method, can
Produce following technique effect：
(1) the sleeper replacement device and its operational method of specific embodiment of the invention description enter trade using mechanization means
The tiny fragments of stone, coal, etc. is excavated and backfilled, and can reduce the labor operation intensity of railway ballast excavation and backfill, and reduces cost of investment；
(2) the sleeper replacement device and its operational method of specific embodiment of the invention description use sleeper clamp device, right
In pulling out for old sleeper, and the embedment operation of new sleeper can further reduce labour intensity, reduce the activity duration.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention.Though
So the present invention is disclosed as above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the art
Member, in the case where Spirit Essence of the invention and technical scheme is not departed from, all using in the methods and techniques of the disclosure above
Appearance makes many possible variations and modification, or the Equivalent embodiments for being revised as equivalent variations to technical solution of the present invention.Therefore,
Every content without departing from technical solution of the present invention, according to technical spirit of the invention to made for any of the above embodiments any simple
Modification, equivalent, equivalence changes and modification, still fall within the scope of technical solution of the present invention protection.
Claims (10)
1. a kind of sleeper replacement device, it is characterised in that including：
The mounting seat (1) being connected with excavator (5)；
The bucket (2) being connected with the mounting seat (1), for sleeper to be pushed into specified location, digs railway ballast and railway ballast is taken off into flat, and dig
Backfilled by way of the tiny fragments of stone, coal, etc.；
The Jia Zhen mechanisms (3) being connected with the mounting seat (1), for clamping, locking, rotate and discharging the sleeper, so that real
The replacing of the existing sleeper.
2. sleeper replacement device according to claim 1, it is characterised in that：Two pairs are offered on the mounting seat (1) together
The mounting hole (11) of axle arrangement, the two pairs of mounting holes (11) respectively with the dipper (51) and bucket arm cylinder of the excavator (5)
Connecting rod (52) is connected；The sidepiece of the mounting seat (1) is provided with flange connecting seat (12) with bottom, respectively with the bucket
(2), Jia Zhen mechanisms (3) connection.
3. sleeper replacement device according to claim 2, it is characterised in that：When the bucket arm cylinder of the excavator (5)
(53) when stretching out or retract, mounting seat (1) rotation is driven, realizes the sleeper replacement device (4) in bucket station or folder
Switching between pillow station.
4. the sleeper replacement device according to claim 1,2 or 3, it is characterised in that：The bucket (2) includes bucket main body
One (21), bucket main body two (22) and bucket main body three (23), the bucket main body one (21) and bucket main body two (22), and
The interval that can accommodate rail is left between the bucket main body two (22) and bucket main body three (23)；In the bucket main body one
(21) relative Yu bucket main body two (22), and the bucket main body two (22) and bucket main body three (23) between sidepiece is set
There is disk roller installing plate (25)；Be provided with the disk roller installing plate (25) it is multigroup apart from the bucket (2) bottom different height,
Disk roller mounting hole (24) for installing disk roller (26), to adapt to the digging tiny fragments of stone, coal, etc. operation of different depth, the disk roller (26) can be in institute
The top surface for stating rail is rolled.
5. sleeper replacement device according to claim 4, it is characterised in that：Folder pillow device (3) is including rotating mechanism
(31), and the pedestal (32) of the rotating mechanism (31) bottom is arranged on, the top of the whirligig (31) is connected by flange
Fishplate bar is connected with the mounting seat (1), and the bottom of the whirligig (31) is connected by flange connecting seat with the pedestal (32)
Connect, the rotating mechanism (31) can drive the pedestal (32) to rotate.
6. sleeper replacement device according to claim 5, it is characterised in that：The both sides of the pedestal (32) are each provided with one
To the clamp lever (33) for realizing sleeper clamping, the bottom of the pedestal (32) is provided with buffer rubber gasket (34), is used for
Support and cushioning effect from during clamping sleeper.
7. sleeper replacement device according to claim 6, it is characterised in that：Folder pillow device (3) is described including clamp
Clamp includes intersecting sway bar (37) and clamp oil cylinder (38), is provided with five holes on the clamp lever (33), from top to bottom
It is followed successively by the first hole, the second hole, the 3rd hole, the 4th hole and the 5th hole；Four clamp levers (33) are divided to two pairs to pass through the of middle part
Three holes are symmetrically installed on the both sides of the pedestal (32)；The clamp oil cylinder (38) is connected to positioned at side bitting clamp lever (33)
Between first hole at top, intersection sway bar (37) is movably connected on the clamp lever (33) by threaded bearing pin
The second hole be located at the same side another clamp lever (33) the 4th hole, clamp sleeper when make the clamp lever (33)
Keep symmetrical.
8. sleeper replacement device according to claim 7, it is characterised in that：When the clamp oil cylinder (38) is stretched out or is retracted
When, drive the clamp lever (33) to be rotated around the 3rd hole, close up or open on the downside of the clamp lever (33), it is described
Clamp closes up or opens, and the sleeper is clamped or unclamped.
9. the sleeper replacement device according to claim 7 or 8, it is characterised in that：The clamp also include folder hook (35) and
Pressing plate (36), folder hook (35) is articulated with the 5th hole of the clamp lever (33), and the pressing plate (36) is articulated with the folder
On hook (35), the pressing plate (36) can freely rotate in certain limit, for the plane of the sleeper of fitting.
10. the operational method of sleeper replacement device described in a kind of any one of claim 1 to 9, it is characterised in that including following step
Suddenly：
A) excavator (5) drives sleeper replacement device (4) to be moved to the discontinuous starting point of sleeper, rotates mounting seat (1), bucket (2)
Start to dig the tiny fragments of stone, coal, etc.；The excavator (5) moves to the discontinuous terminal of sleeper, and the bucket (2) is digging discontinuous segment railway ballast
The railway ballast of bottom is put down simultaneously；
B) the movement sleeper replacement device (4), railway ballast is accumulated to the both sides of track；
C the fastener of the track) is removed, clamp picks up the old sleeper of the discontinuous terminal of sleeper, promotes the old sleeper to not connecting
Near the midpoint of continuous section, folder pillow device (3) rotates 70~110 degree, takes out old sleeper and is placed in the side of the track；
D) clamp picks up new sleeper, and its vertical equity is placed near the midpoint of discontinuous segment, the Jia Zhen mechanisms (3)
Rotation, makes new sleeper vertical with the track, to the discontinuous starting point direction new sleeper of promotion to requiring position, fastening clip；
E) bucket (2) digs the tiny fragments of stone, coal, etc. near old sleeper, and by railway ballast be backfilled to new sleeper and the new sleeper previous sleepers it
Between；
F) repeat step A)~step E), complete the replacing of old sleeper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290248.XA CN106906705A (en) | 2017-04-28 | 2017-04-28 | A kind of sleeper replacement device and its operational method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290248.XA CN106906705A (en) | 2017-04-28 | 2017-04-28 | A kind of sleeper replacement device and its operational method |
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| CN201710290248.XA Pending CN106906705A (en) | 2017-04-28 | 2017-04-28 | A kind of sleeper replacement device and its operational method |
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| CN108049266A (en) * | 2017-12-13 | 2018-05-18 | 株洲时代电子技术有限公司 | A kind of railway changes pillow device and its operational method |
| CN109944121A (en) * | 2017-12-21 | 2019-06-28 | 中车沈阳机车车辆有限公司 | Ballast track sleeper paving is changed trains and Ballast track sleeper paving changes method |
| CN110055837A (en) * | 2018-01-19 | 2019-07-26 | 山东迈克拉克工程机械有限公司 | Crossties of the track more changing device |
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| CN108049266A (en) * | 2017-12-13 | 2018-05-18 | 株洲时代电子技术有限公司 | A kind of railway changes pillow device and its operational method |
| CN109944121A (en) * | 2017-12-21 | 2019-06-28 | 中车沈阳机车车辆有限公司 | Ballast track sleeper paving is changed trains and Ballast track sleeper paving changes method |
| CN110055837A (en) * | 2018-01-19 | 2019-07-26 | 山东迈克拉克工程机械有限公司 | Crossties of the track more changing device |
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Application publication date: 20170630 |