CN105421169B - Meet double pillow tamping units using sleeper laying separation criteria as gauge - Google Patents
Meet double pillow tamping units using sleeper laying separation criteria as gauge Download PDFInfo
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- CN105421169B CN105421169B CN201510190794.7A CN201510190794A CN105421169B CN 105421169 B CN105421169 B CN 105421169B CN 201510190794 A CN201510190794 A CN 201510190794A CN 105421169 B CN105421169 B CN 105421169B
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- bearing
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- arm
- cylinder
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Abstract
The present invention relates to it is a kind of make firm by ramming railway ballast, meet double pillow tamping units using sleeper laying separation criteria as gauge, technical foundation is that double pillow tamping units of Austrian state PLASSER＆THEURER companies (refer to the rail man's on-the-job training state-compiled textbooks of China Railway Press ISBN 7 113 02,542 0《Levelling plays track lining tamping car》Chapter 3 first segment in one book)；The invention is characterized in that the problem of existing for original design proposes rectification scheme, outer tamping arm is limited to be swung determined by sleeper laying separation criteria in gauge, allows this double pillow tamping units that cover to be installed successively on vehicle frame is made firm by ramming more；The present invention purpose to be reached is to make this double pillow tamping unit lift technique performances, reduces manufacturing cost, turns into the replacement part of like product, turns into the matching component that system maker man researches and develops higher operating efficiency tamping car.
Description
Technical field
The present invention relates to a kind of double pillows making railway ballast firm by ramming, meeting using sleeper laying separation criteria as gauge to make dress firm by ramming
Put, technical foundation is that double pillow tamping units of Austrian state PLASSER＆THEURER companies (refer to China Railway Press ISBN
7-113-02542-0 rail man's on-the-job training state-compiled textbooks《Levelling plays track lining tamping car》Chapter 3 first segment in one book)；This
The problem of technical essential of invention is and existed for former design proposes rectification scheme, limits outer tamping arm with sleeper laying spacing
Swung in gauge determined by standard, allow this double pillow tamping units that cover to be installed successively on vehicle frame is made firm by ramming more；The present invention
The purpose to be reached is to make this double pillow tamping unit lift technique performances, reduces manufacturing cost, turns into the replacement of like product
Part, turn into the matching component that system maker man researches and develops higher operating efficiency tamping car.
Background technology
The Chinese Ministry of Railways introduced Austrian state PLASSER＆THEURER companies (hereinafter referred to as P＆T companies) in 1984
The examination on probation of the double pillow tamping cars of 08-32 step-by-step movements, the manufacturing technology of the type, tissue production domesticization batch are introduced in nineteen ninety
Production, the higher 09-32 type main car frames continuously and smoothly operation of operating efficiency introduced again later, made vehicle frame step-by-step movement firm by ramming periodically
(hereinafter referred to as continous way) double pillow tamping cars and 09-3X types continous way three of operation rest the head on the manufacturing technology and tissue of tamping car
Production domesticization batch production.Contrast the technical performance and operating efficiency of these three types, it is possible to determine that such a technological progress becomes
To：The type of higher operating efficiency more meets the demand of modern railways maintenance project, and vehicle frame stepping efficiency and increase are made in raising firm by ramming
Tamping unit quantity is to improve the fundamental measure of overall operation efficiency.
It is special to have installed a nested structure additional among two sets of tamping units that 09-3X continous ways three rest the head on tamping car for P＆T companies
Conformability tamping unit, this three sets of tamping units are worked in coordination synchronization job, are formd a kind of 09-4X continous ways four and are rested the head on tamping car
Type, operating efficiency are improved again than 09-3X type.
The CN2892942Y patents of P＆T companies describe another continous way four and rest the head on tamping car type, and it is in tamping car
It is mounted with two sets of double pillow tamping units on frame successively, four sleepers can be made firm by ramming simultaneously during synchronization job, it is special in sleeper spacing
Location operation when, to prevent outermost tamping pickaxe is wiped from touching sleeper, only make two sleepers firm by ramming using a set of double pillow tamping units.
The superiority of this type is accepted by people, using double pillow tamping units as more sets, researches and develops operation
More efficient type, it is concerned.
Eccentric ratio rocking vibration, double pillow tamping units of the asynchronous clamping railway ballast of tamping pickaxe are the patent skills of P＆T companies invention
Art, this double pillow tamping units use more than 30 years in China, and the advantage and disadvantage of its structural behaviour are all well known.China has
Some tamping car manufacturing enterprises and tamping unit manufacturing enterprise are directed to present in structural behaviour on the basis of this patented technology
Problem proposes some improvement projects, has declared some patents of invention and utility model patent, but pair that these patents are introduced
Pillow tamping unit does not all solve practical problems well, does not also meet the gauge determined with sleeper laying separation criteria, does not have
The feasibility of the standby more sets of installation successively.
The content of the invention
The present invention is on the basis of the eccentric ratio rocking vibration of P＆T companies, the patented technology of the asynchronous clamping railway ballast of tamping pickaxe, pin
The problem of existing to original design proposes rectification scheme, forms a kind of double pillows met using sleeper laying separation criteria as gauge and makes firm by ramming
Device.The device is by casing, lead installation, hoist cylinder installation, outer clamping oil cylinder assembling, the assembling of eccentric vibrating axle, inner clip
Oil cylinder assembling, the assembling of outer tamping arm, the assembling of interior tamping arm, the installation of oil motor support totally 9 kinds of part assembled formations are held, can be by limit
Boundary's spacing installs more sets successively.
Foregoing invention content is achieved by following some embodiments；
1. the casing of part is by intermediate, tamping arm mounting rail, reinforcing plate, boss, oil motor support peace based on
The totally 6 kinds of assembling parts welding post-processing shapings of seat, gusset are filled, it is real that structural strength and assembly parameter meet eccentric vibrating axle, inner clip
Oil cylinder, outer consolidated oil jar, interior tamping arm, outer tamping arm, bearing block, oil motor support, lead, hoist cylinder totally 9 kinds of parts
Exercise performance requirement.
2. eccentric vibrating axle is identical two pieces, it is arranged on respectively with 2 bearing supporting positioning, inner bearing on casing
Bearing saddle bore in, the bearing of outer end is arranged in a dismantled and assembled bearing block, and case is moved to after eccentric vibrating axle assembled formation
Body installation site, bearing block is fastened on casing, and the inner of two axles is connected with spline housing, does not touch opposite side when dismounting side
Native mode.
Oil cylinder installation axis pin base is clamped 3. being provided with inside on the cylinder body of clamping oil cylinder outside identical, makes outer clamping oil cylinder
Structure is single, and two oil cylinders for making to be installed together clamp railway ballast to homonymy sleeper；Interior clamping oil cylinder lower shaft bearing divides monaural
Two kinds of type and ears type, the combination seal of dimension is provided with the different bearing block earrings of structure, reduces lubricating grease
Leakage rate.
Set piston rod to withdraw stopping means 4. clamping oil cylinder covers outside, control the distance of outer tamping arm and gauge；
Set piston rod to stretch out stopping means on the outside of piston, control outer tamping arm clamping stroke；At the both ends of pin shaft hole, combination is set
Seal, coordinate with bearing pin circumference and realize sealing.
5. by the tamping pickaxe installation site marshalling on interior tamping arm and outer tamping arm, the assembling of tamping arm and tamping pickaxe
Using Cone fit structure, tamping pickaxe axis of cone end nut is realized and axially fastened；Tamping pickaxe pick the palm end face for it is trapezoidal and with pick bar
Center line is symmetrical, and when pick bar has a slight curvature deformation during use, conversion installation direction will increase preset clearance；The pick palm is following
Dovetail groove is processed on edge, the soldering hard, wear-resistant alloy block in groove；Groove is processed on pick palm two sides, the soldering hard in groove
Antifriction alloy piece.
6. radial positioning is all realized in lead both ends using subdivision seat, lead upper end is realized axially position with bolt, led
Determined to column diameter specification according to serial (JB826-66) standard of Chinese diameter of piston rod, from the combination sealing of cylinder piston rod
Part and dust ring.
7. hoist cylinder couples with casing, upper joint bearing inner race is fastened on the piston rod with integral nut, uses bullet
Spring bayonet lock prevents nut from releasing；Upper joint bearing outer ring is higher by installation bore, by oscillating bearing gap adjusting pad mounted in gland with
Between casing.
8. oil motor support uses upper and lower ends horizontal plane draw bail, supported based on lower end, upper end is aiding support, oil
Motor bracket both sides Flywheel protective cover.
Brief description of the drawings
Fig. 1 is to meet double pillow tamping unit general assembly drawings using sleeper laying separation criteria as gauge；
Fig. 2 is body structure figure, and left figure is half-sectional front view, and right figure is to have loaded onto the half-sectional left view of bearing block (19)；
Fig. 3 is lead installation diagram；
Fig. 4 is hoist cylinder tailpiece of the piston rod installation diagram；
Fig. 5 is outer clamping oil cylinder assembling figure；
Fig. 6 is eccentric vibrating axle assembling figure；
Fig. 7 is interior clamping oil cylinder assembling figure, and upper figure is half-sectional front view, and lower left figure is ears type oil cylinder in piston rod earrings
Complete section right view, lower right figure are monaural type oil cylinders in piston rod earrings complete section right view；
Fig. 8 is tamping arm assembling figure, and left figure is interior tamping arm front view, and middle figure is outer tamping arm front view, and right figure is outer
Tamping arm sectional view；
Fig. 9 is oil motor support installation diagram, and left figure is front view, and right figure is assembly relation sectional view.
Embodiment
Below against brief description of the drawings specific embodiment；
Fig. 1 is to meet double pillow tamping unit general assembly drawings using sleeper laying separation criteria as gauge, is case on the left of center line
The sectional view of body (1), center line right side have been turned off oil motor support (9), have removed zero of gear inside before clamping oil cylinder (6)
The view of part.Diagram casing (1) is in prepared job position, and the piston rod of interior clamping oil cylinder (6) is released by hydraulic oil to be arrived outside only
Point and pressurize locking, the piston rod of outer clamping oil cylinder (4) is retracted into inner dead point by hydraulic oil and pressurize locks, eccentric vibrating axle
(5) rotate, the interior clamping oil cylinder (6) in gearratio of cycloid axle formation makes interior arm component (8) of making firm by ramming of reciprocating vibration, inside makes arm component firm by ramming
(8) adjacent profile does not interfere with each other.Outer clamping oil cylinder (4) on interior clamping oil cylinder (6) makes arm component firm by ramming outside making
(7) of reciprocating vibration, the outline for making arm component (7) firm by ramming outside does not invade the gauge determined with two sleeper laying normal pitches
(10).Operation procedure starts, and hoist cylinder (3) piston rod, which stretches out, makes casing (1) be run downwards along lead (2), makes firm by ramming outside
Arm (7) will not invade gauge (10) during descending, when casing (1) goes downwards to precalculated position, the piston of outer clamping oil cylinder (4)
Bar stretches out, and oil cylinder assembly parameter ensures that piston rod earrings profile will not invade gauge (10).After clamping process terminates, hoist cylinder
(3) piston rod, which is withdrawn, makes casing (1) be run up along lead (2), and the preparation job position to diagram stops, and waits next
Individual operation procedure signal.
Fig. 2 is body structure figure, and left figure is half-sectional front view, and right figure is to have loaded onto the half-sectional left view of bearing block (19).
Casing (1) is by intermediate (11), reinforcing plate (12), tamping arm mounting rail (13), boss (14), oil motor support installation seat plate
(15), totally 6 kinds of parts are formed by welding gusset (16).Bearing block (19) is needed with coordinating processing bearing after casing (1) assembling fastening
Bore, equipped with gap adjusting pad (18), guide-localization key (17) on reference for assembling.
Fig. 3 is lead installation diagram.Radial positioning is all realized in the both ends of lead (2) using subdivision seat (21), and upper end is used
Bolt (20) realizes axially position.Dust ring (25) is housed, between gland (24) and guide sleeve (22) in the groove of gland (24)
Equipped with combination seal (23).Combination seal is stepped slip ring and RUBBER O shape made of filled polytetrafluoroethylene material
Circle composition, also known as this spy's envelope, its sealing property exist《Levelling plays track lining tamping car》The 119-120 pages has discussion in one book.
Fig. 4 is hoist cylinder tailpiece of the piston rod installation diagram.The inner ring of upper joint bearing (31) is pressed on lifting by nut (28)
On the piston rod step of oil cylinder (3), spring detent (29) prevents nut (28) from releasing, gland (26) by upper joint bearing (31) and
After being compressed in installation bore of ShiShimonoseki bearings (30) on casing, detection gland (26) following gap and to configure thickness appropriate
Adjusting pad (27), 2 oscillating bearings is slided with minimum clearance.
Fig. 5 is outer clamping oil cylinder assembling figure.Outer clamping oil cylinder (4) is designed to single structure, and nut (34) is by piston (35)
It is fastened on the step of piston rod (37), spring detent (33) prevents nut (34) from releasing.Illustrate limiting gasket (36) and piston
(35) end face is concordant, and the end face of piston (35) can reach the position contacted with guide sleeve (38), the designated length that changes the outfit it is spacing
Packing ring (36), it is exactly that stroke reduces numerical value that it, which is higher by the numerical value of piston (35) end face,.Bolt group (40) on cylinder cap (39)
Combined altitudes limitation piston rod (37) retrieving position.It is equipped with pin shaft hole built with composite bush (32), bearing pin hole end surface
Combination seal (41), bearing pin (43) being passed through into pin-and-hole, bearing pin (43) circumference just realizes radial seal with combination seal (41),
Back-up ring (42) prevents combination seal (41) axially abjection, and nut (45) and packing ring (44) are the mating fasteners of bearing pin (43).
Fig. 6 is eccentric vibrating axle assembling figure.Eccentric vibrating axle (5) is identical two pieces, and the bearing (51) of left end waits peace
It is attached in the bearing saddle bore on casing (1), the bearing (51) of right-hand member is arranged on bearing block (19), and spline housing (48) is in two axle water
By two axis connections during flat docking, the eccentric vibrating axle of side is dismounted, does not touch the native mode of opposite side.
Assembling sequence is；The monaural type of interior clamping oil cylinder (6) is put into positioning, spacer ring (67), axle are loaded onto in earrings
The outer ring of (68) is held, combination seal (70) is loaded onto in bearing cap (71), bearing cap is attached on earrings.By interior clamping oil cylinder
(6) ears type puts positioning.The inner ring of left bearing (68) is loaded onto from the left end of eccentric vibrating axle (5), by eccentric vibrating axle (5)
Right-hand member through it is interior clamping oil cylinder (6) earrings make the inner ring of left bearing (68) in place.Loaded onto from the right-hand member of eccentric vibrating axle (5)
The inner ring of right bearing (68) in place, makes eccentric vibrating axle (5) clamp basic fixed position in the monaural ring of oil cylinder (6) inside.Then according to
It is secondary from the both ends of eccentric vibrating axle (5) by spacer ring (69), enclose seal receptacle (61), the spacer ring of combination seal (62)
(63), the outer ring of bearing (64), inner ring, the bearing cap (65) for enclosing combination seal (62), spacer ring (66) are sequentially loaded into
In place.
From the left end of eccentric vibrating axle (5) by spacer ring (52), enclose bearing cap (54), the bearing of oil sealing (53)
(51), spacer ring (49), oil sealing (50), nut (46), bayonet lock (47), spline housing (48) are sequentially loaded into place.
Spacer ring (52), the inner ring of bearing (51), spacer ring (49) are loaded in place from the right-hand member of eccentric vibrating axle (5).
Oil sealing (50) is attached on bearing cap (55), successively by the outer ring of bearing (51), oil sealing (53), the bearing cap for having filled oil sealing (50)
(55) it is attached on dismantled and assembled bearing block (19).The Internal and external cycle of bearing (51) is aligned.
By eccentric vibrating axle (5) toward when installing on casing (1) (referring to Fig. 1), first by the oil sealing (50) of left end, bearing (51)
Outer ring, the bearing cap equipped with oil sealing (53) be attached to successively on casing (1), eccentric vibrating axle (5) is filled toward horizontal on casing (1)
Enter in place, the axial gap of detection bearing (51), the combination thickness of apolegamy adjusting pad (18), fastening bearing block (19).
It is passive that free wheel base (56), nut (46), bayonet lock (47), shaft coupling are sequentially loaded into the right-hand member of eccentric vibrating axle (5)
Flange (58) rubber ring (59), active flange (60), flywheel (57).
Fig. 7 is interior clamping oil cylinder assembling figure, and upper figure is half-sectional front view, and lower left figure is ears type oil cylinder in piston rod earrings
Complete section right view, lower right figure are monaural type oil cylinders in piston rod earrings complete section right view.The assembly relation of piston rod construction with it is outer
The identical of real oil cylinder (4) is clamped, the assembly relation of earrings inner bearing part cuts open in the assembling of the eccentric vibrating axle (5) shown in Fig. 6
Stated in view.
Fig. 8 is tamping arm assembling figure, and left figure is interior tamping arm front view, and middle figure is outer tamping arm front view, and right figure is outer
Tamping arm sectional view, the assembled condition of inside and outside tamping arm is identical.
The shaft part that tamping pickaxe (75) is engaged with outer tamping arm (7) uses taper fit, and the pore structure of tamping arm (7) is divided into
Three sections, big end carrying tamping pickaxe (75) underthrust of taper hole enters axial force during railway roadbed, and the cylindrical hole in stage casing does not contact with the axis of cone, separately
The reverse taper hole of one end coordinates the axis of cone small end of tamping pickaxe (75) and reverse taper hole by one group of subdivision cover of wedge (77), shaft end spiral shell
Female (79) by spring washer (78) axial compression subdivision cover of wedge (77), pin (76) that tamping arm (7) side loads is inner
Keyway in flat insertion tamping pickaxe (75) axis of cone, limitation tamping pickaxe (75) rotate around axial line.In tamping pickaxe (75) axis of cone
Two sections of cones coordinate the torque of common carrying pick palm clamping railway ballast.
When dismantling tamping pickaxe (75), shaft end nut (79) and spring washer (78) are unloaded, squeezes into taper (80), tamping pickaxe
(75) the axis of cone will deviate from taper hole.
The pick palm end face of tamping pickaxe (75) is trapezoidal and symmetrical with pick bar center line, and pick bar has a slight curvature change during use
During shape, conversion installation direction will increase preset clearance；Dovetail groove is processed on pick palm lower edge, soldering hard, wear-resistant closes in groove
Gold bullion (73)；Groove is processed on pick palm two sides, the soldering hard, wear-resistant alloy sheet (74) in groove.
Outer arm component (7) of making firm by ramming is toward when installing on tamping arm mounting rail (13), first by copper sheathing (81) threading bore, by group
Close seal (82) to put into copper sheathing (81), arm component (7) outer will be made firm by ramming toward aligning on tamping arm mounting rail (13), by bearing pin
(83) pin-and-hole is passed through, loads onto retaining baffle plate (84).
The piston rod (37) of outer clamping oil cylinder (4) toward make firm by ramming installed on arm component (7) when, be to eliminate the outer oil cylinder that clamps by side
Xiang Li, first check gap and match the back-up ring (42) of suitable thickness, bearing pin (43) is passed through into pin-and-hole, packing ring (44) is loaded onto, tightens
Nut (45), bearing pin (43) is set to be fastened on the arm of left side, right arm is blocked and will not opened by the shaft shoulder of bearing pin (43).
Fig. 9 is oil motor support installation diagram, and left figure is front view, and right figure is assembly relation sectional view.Oil motor support (9)
Plane is combined with the lower plane for the oil motor support installation seat plate (15) being welded on intermediate (11) on the bending plate of lower end, on
The plate end face at end is coupled by auxiliary stand (87) with intermediate (11), oil motor support both sides Flywheel protective cover (88).
Claims (10)
- A kind of 1. double pillow tamping units for making railway ballast firm by ramming, it is characterized in that the outer tamping arm (7) of this double pillow tamping units exists To be swung in gauge (10) determined by sleeper laying separation criteria, outer clamping oil cylinder (4) is smash outside when reaching extreme position Gu arm (7) oscillation center epimere does not invade gauge (10), outer clamping oil cylinder (4) is when retracting, the caging bolt on cylinder cap (39) Group (40) limits retracted position so that outer tamping arm (7) oscillation center hypomere does not invade gauge (10), therefore this double pillows are made firm by ramming Device can installation covers more successively on vehicle frame is made firm by ramming.
- 2. double pillow tamping units according to claim 1, it is characterised in that：Based on the casing (1) of part be in Mesosome (11), tamping arm mounting rail (13), reinforcing plate (12), boss (14) oil motor support mounting seat (15), gusset (16) zero Part assembly welding machine-shaping, structural strength and assembly parameter meet the real oil of eccentric vibrating axle (5), interior consolidated oil jar (6), outer clip Cylinder (4), interior tamping arm (8), outer tamping arm (7), bearing block (19), oil motor support (9), lead (2), hoist cylinder (3) The performance requirement of totally 9 kinds of critical pieces.
- 3. double pillow tamping units according to claim 1, it is characterised in that：Eccentric vibrating axle (5) is identical two pieces, point It is not arranged on 2 bearing (51) supporting positioning, inner bearing (51) in the bearing saddle bore on intermediate (11), the axle of outer end (51) are held in bearing block (19), can the horizontal docking on intermediate (11) after 2 groups of eccentric vibrating axle (5) assembled formations To installation site, connected between two axles with spline housing (48), do not touch consolidating for opposite side during eccentric vibrating axle (5) for dismounting side It is stateful.
- 4. double pillow tamping units according to claim 1, it is characterised in that：Clamp and set on the cylinder body of oil cylinder (6) inside Oil cylinder installation axis pin base is clamped outside identical, makes the structure of outer clamping oil cylinder (4) single, makes two oil cylinders being installed together Railway ballast is clamped to homonymy sleeper；Interior clamping oil cylinder (6) cylinder bottom bearing block is divided to two kinds of monaural type and ears type, in the different axle of structure There is provided the combination seal (70) of dimension and (62) on bearing earrings.
- 5. double pillow tamping units according to claim 1, it is characterised in that：On the cylinder cap (39) for clamping oil cylinder (4) outside The withdrawal caging bolt group (40) of piston rod (37) is set, controls outer tamping arm (7) to swing to the distance of gauge (10)；In piston (35) outside sets stroke limit set (36), controls the stroke of outer tamping arm (7) clamping railway ballast；Set at the both ends of pin shaft hole Combination seal (41), coordinate with the circumference of bearing pin (43) and realize sealing.
- 6. double pillow tamping units according to claim 1, it is characterised in that：On interior tamping arm (8) and outer tamping arm (7) Tamping pickaxe (75) installation site is marshalling, and the assembling of tamping pickaxe (75) and tamping arm uses Cone fit structure, made firm by ramming Pick axis of cone end nut (79) is realized and axially fastened.
- 7. double pillow tamping units according to claim 1, it is characterised in that：Pick the palm end face for it is trapezoidal and with pick bar center line Symmetrically, dovetail groove is processed on pick palm lower edge, the soldering hard, wear-resistant alloy block (73) in groove；Processing is logical on pick palm two sides Groove, the soldering hard, wear-resistant alloy sheet (74) in groove, tamping pickaxe is when pick bar has a slight curvature deformation in use, conversion installation Direction will increase preset clearance.
- 8. double pillow tamping units according to claim 1, it is characterised in that：Oil motor support (9) uses upper and lower ends water Plane attachment structure, oil motor support both sides Flywheel protective cover.
- 9. double pillow tamping units according to claim 1, it is characterised in that：The both ends of lead (2) all use subdivision seat (21) radial positioning is realized, axially position is realized in the upper end of lead (2) with bolt (20).
- 10. double pillow tamping units according to claim 1, it is characterised in that：Hoist cylinder (3) couples with casing (1) The inner ring of upper joint bearing (31) is fastened on the piston rod of hoist cylinder (3) with integral nut (28), uses spring detent (29) prevent nut (28) from releasing, the outer ring of upper joint bearing (31) is higher by installation bore, oscillating bearing gap adjusting pad (27) Mounted in gland (26) between casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190794.7A CN105421169B (en) | 2015-04-21 | 2015-04-21 | Meet double pillow tamping units using sleeper laying separation criteria as gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190794.7A CN105421169B (en) | 2015-04-21 | 2015-04-21 | Meet double pillow tamping units using sleeper laying separation criteria as gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105421169A CN105421169A (en) | 2016-03-23 |
| CN105421169B true CN105421169B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190794.7A Expired - Fee Related CN105421169B (en) | 2015-04-21 | 2015-04-21 | Meet double pillow tamping units using sleeper laying separation criteria as gauge |
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| CN (1) | CN105421169B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT520267B1 (en) | 2017-08-08 | 2020-02-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Tamping unit for tamping sleepers on a track |
| CN114808566B (en) * | 2022-04-20 | 2023-01-31 | 昆明理工大学 | Frequency conversion tamping tool for railway ballast bed |
| CN116179224B (en) * | 2023-02-17 | 2024-03-22 | 内蒙古广聚新材料有限责任公司 | Intelligent device based on coal charging and coke pushing and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE411676B (en) * | 1975-02-27 | 1980-01-28 | Plasser Bahnbaumasch Franz | SPAR TOPPING MACHINE |
| EP0784121B1 (en) * | 1996-01-12 | 2001-05-09 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Tamping device for railway track |
| CN102953300A (en) * | 2011-08-30 | 2013-03-06 | 常州市瑞泰工程机械有限公司 | Positive line double-pillow tamping device |
| CN203007748U (en) * | 2012-12-06 | 2013-06-19 | 常州市瑞泰工程机械有限公司 | Double-sleeper tamping device of meter-gage line |
| CN205134114U (en) * | 2015-04-21 | 2016-04-06 | 肖玉清 | Accord with and use sleeper to lay two pillow tamping units of interval standard as boundary limit |
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2015
- 2015-04-21 CN CN201510190794.7A patent/CN105421169B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE411676B (en) * | 1975-02-27 | 1980-01-28 | Plasser Bahnbaumasch Franz | SPAR TOPPING MACHINE |
| EP0784121B1 (en) * | 1996-01-12 | 2001-05-09 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Tamping device for railway track |
| CN102953300A (en) * | 2011-08-30 | 2013-03-06 | 常州市瑞泰工程机械有限公司 | Positive line double-pillow tamping device |
| CN203007748U (en) * | 2012-12-06 | 2013-06-19 | 常州市瑞泰工程机械有限公司 | Double-sleeper tamping device of meter-gage line |
| CN205134114U (en) * | 2015-04-21 | 2016-04-06 | 肖玉清 | Accord with and use sleeper to lay two pillow tamping units of interval standard as boundary limit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105421169A (en) | 2016-03-23 |
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