CN104179099B - The synchronous assembling and disassembling device of a kind of sleeper four nut - Google Patents

The synchronous assembling and disassembling device of a kind of sleeper four nut Download PDF

Info

Publication number
CN104179099B
CN104179099B CN201410446418.5A CN201410446418A CN104179099B CN 104179099 B CN104179099 B CN 104179099B CN 201410446418 A CN201410446418 A CN 201410446418A CN 104179099 B CN104179099 B CN 104179099B
Authority
CN
China
Prior art keywords
gear
fixed
nut
railcar
disassembling device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201410446418.5A
Other languages
Chinese (zh)
Other versions
CN104179099A (en
Inventor
俞安
路云
于向军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming University
Original Assignee
Kunming University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunming University filed Critical Kunming University
Priority to CN201410446418.5A priority Critical patent/CN104179099B/en
Publication of CN104179099A publication Critical patent/CN104179099A/en
Application granted granted Critical
Publication of CN104179099B publication Critical patent/CN104179099B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses the synchronous assembling and disassembling device of a kind of sleeper four nut, be made up of the synchronous assembling and disassembling device of four nuts, railcar, generator, hydraulic system case, camera assembly and monitor, railcar is provided with four castors and two longerons, the synchronous assembling and disassembling device of four nuts, generator and hydraulic system case are arranged on two longerons of railcar, railcar is drawn by engineering truck, monitor is located in tractor cab, generator provides power for oil pump, and hydraulic system case is built with fuel tank, oil pump, various hydraulic valve; The present invention can adapt to straight line and the work of curved rail length section sleeper dismounting nut; Can by four bolts of four magnetic interior Hexagonal jacket rapid alignment sleepers of tool; Four nuts are are synchronously installed and removed, and the operating efficiency that saves time is high, are convenient to realize four nut pretightning forces consistent, improve the fatigue life of bolt, guarantee the reliability that sleeper is connected with rail; Be easy to realize procedure auto-control, easy to operate.

Description

The synchronous assembling and disassembling device of a kind of sleeper four nut
Technical field
The present invention relates to a kind of railway maintenance machinery, the particularly synchronous assembling and disassembling device of a kind of sleeper four nut.
Background technology
Railroad sleeper is in long use procedure, due to the reason of natural subsidence and vibration, indivedual sleeper damages, and needs to change in time, in the process of carrying out sleeper replacement, first to dismantle the nut be fixed on bad sleeper four bolts, being installed to by four nuts after finishing changing sleeper changes on sleeper bolt again, adopts the single nut operation of artificial turn, wastes time and energy, inefficiency, is difficult to realize four nut pretightning forces consistent.
Summary of the invention
The object of this invention is to provide the synchronous assembling and disassembling device of a kind of sleeper four nut.
The present invention is made up of the synchronous assembling and disassembling device of four nuts, railcar, generator, hydraulic system case, camera assembly and monitor, railcar is provided with four castors and two longerons, the synchronous assembling and disassembling device of four nuts, generator and hydraulic system case are arranged on two longerons of railcar, railcar is drawn by engineering truck, monitor is located in tractor cab, generator provides power for oil pump, is provided with fuel tank, oil pump, various hydraulic valve in hydraulic system case.
The described synchronous assembling and disassembling device of four nuts is had the pull bar of flange, two coupling assemblings and two Double-nut synchronous mounting or dismounting assemblies formed by elevating mechanism, two two ends, elevating mechanism is made up of symmetrically arranged two series connection parallelogram lindages and oil cylinder, series connection parallelogram lindage is made up of lower transverse beam, top rail, two the first forks, two the second forks, connecting rod, six bearing pins, lower transverse beam is fixed with four ears rings, top rail is fixed with four ears rings; Coupling assembling is made up of inverted U frame, two slide blocks with bolt hole and two bolts; Double-nut synchronous mounting or dismounting assembly is made up of low speed high torque hydraulic motor, the first gear, gear shaft, two the second gears, two rotating shafts, two the magnetic interior Hexagonal jackets of tool, gear housing, gear-box upper cover, four thrust bearings and four hex nuts, and pull bar is provided with the first flange and the second flange; Camera assembly is made up of camera and camera bracket, and camera bracket is provided with and the isosceles trapezoid reference planes of camera axis co-planar and base plate, and camera is fixed on camera bracket;
First fork, three pin-and-holes of the second fork and connecting rod coaxially penetrate bearing pin, another first fork and the second fork coaxial with three pin-and-holes of connecting rod, penetrate bearing pin, two pin-and-holes of two the second forks are coaxial with the ears ring of two on top rail respectively, penetrate bearing pin respectively, two pin-and-holes of two the first forks are coaxial with the ears ring of two on lower transverse beam respectively, penetrate bearing pin respectively, composition series connection parallelogram lindage, the vertical plane of symmetry symmetry of top rail and lower transverse beam installs another one series connection parallelogram lindage, cylinder block flange is fixed on the middle part symmetric position of lower transverse beam, cylinder piston rod flange is fixed on the middle part symmetric position of top rail, composition elevating mechanism,
Camera assembly is fixed on the lower transverse beam of elevating mechanism by the base plate of camera bracket.
Thrust bearing is worn in rotating shaft, then rotating shaft is through axis hole bottom gear housing, by sheathed for the second gear and be fixed in rotating shaft, magnetic for tool interior Hexagonal jacket is fixed on rotating shaft lower end, by sheathed for the first gear and be fixed on gear shaft, first gear is together with two the second gears meshing, three of gear-box upper cover axis holes and gear shaft and two rotating shafts are coaxially fixed on gear housing, thrust bearing is sheathed on rotating shaft upper end back nut pretension, low speed high torque hydraulic motor is fixed on gear-box and covers, low speed high torque hydraulic motor and gear shaft are coaxially connected, composition Double-nut synchronous mounting or dismounting assembly,
Inverted U frame is inserted gear housing both sides, the slide block again two with bolt hole is inserted bottom the rectangle chute of inverted U frame both sides respectively, the position of adjustment inverted U frame, make the bolt hole of slide block coaxial with gear housing both sides screwed hole, the bolt hole two bolts being each passed through slide block screws in the screwed hole of gear housing both sides, two pull bar upper flanges dishes are fixed on top rail two ends respectively, two pull bar lower end flange are fixed on two inverted U frame upper surface intermediate symmetrical position respectively, the synchronous assembling and disassembling device of composition sleeper four nut;
The invention has the beneficial effects as follows:
1, straight line and the work of curved rail length section sleeper dismounting nut can be adapted to;
2, can by four bolts of four magnetic interior Hexagonal jacket rapid alignment sleepers of tool;
3, four nuts are are synchronously installed and removed, and the operating efficiency that saves time is high, are convenient to realize four nut pretightning forces consistent, improve the fatigue life of bolt, guarantee the reliability that sleeper is connected with rail;
4, be easy to realize procedure auto-control, easy to operate.
Accompanying drawing explanation
Fig. 1 is state schematic perspective view of starting working of the present invention.
Fig. 2 is duty schematic perspective view of the present invention.
Fig. 3 is the elevating mechanism schematic perspective view of the present invention.
Fig. 4 is Double-nut synchronous of the present invention mounting or dismounting assembly schematic perspective view.
Fig. 5 is Double-nut synchronous of the present invention mounting or dismounting component gear case antetheca cutaway schematic diagram.
Fig. 6 is the front view of Fig. 5.
Fig. 7 is camera assembly schematic perspective view of the present invention.
Fig. 8 is camera assembly left view of the present invention.
Fig. 9 is camera assembly upward view of the present invention.
Detailed description of the invention
Refer to shown in Fig. 1 and Fig. 2, the present invention is made up of the synchronous assembling and disassembling device 4 of four nuts, railcar 10, generator 11, hydraulic system case 12, camera assembly 13 and monitor, railcar 10 is provided with four castors 101 and two longerons 102, the synchronous assembling and disassembling device 4 of four nuts, generator 11 and hydraulic system case 12 are arranged on two longerons 102 of railcar 10, railcar 10 is drawn by engineering truck, monitor is located in tractor cab, generator 11 provides power for oil pump, is provided with fuel tank, oil pump, various hydraulic valve in hydraulic system case 12.
Refer to shown in Fig. 1 to Fig. 6, the described synchronous assembling and disassembling device 4 of four nuts is by elevating mechanism 40, two two ends have the pull bar 41 of flange, two coupling assemblings 42 and two Double-nut synchronous mounting or dismounting assemblies 43 form, elevating mechanism 40 is made up of symmetrically arranged two series connection parallelogram lindages 44 and oil cylinder 45, series connection parallelogram lindage 44 is by lower transverse beam 440, top rail 441, two the first forks 442, two the second forks 443, connecting rod 444, six bearing pins 445 form, lower transverse beam 440 is fixed with four ears rings 4401, top rail 441 is fixed with four ears rings 4411, coupling assembling 42 has the slide block 422 of bolt hole by 421, two, inverted U frame and two bolts 423 form, Double-nut synchronous mounting or dismounting assembly 43 is made up of low speed high torque hydraulic motor 430, first gear 431, the magnetic interior Hexagonal jacket 435 of gear shaft 432, two the second gears, 433, two rotating shafts, 434, two tools, gear housing 436, gear-box upper cover 437, four thrust bearings 438 and four hex nuts 439, and pull bar 41 is provided with the first flange 411 and the second flange 412,
Refer to shown in Fig. 7, Fig. 8 and Fig. 9, camera assembly 13 is made up of camera 131 and camera bracket 132, camera bracket 132 is provided with the isosceles trapezoid reference planes 1321 coplanar with camera 131 axis 1311 and base plate 1322, and camera 131 is fixed on camera bracket 132;
Refer to shown in Fig. 1 to Fig. 6, first fork 442, three pin-and-holes of the second fork 443 and connecting rod 444 coaxially penetrate bearing pin 445, another first fork 442 and the second fork 443 coaxial with three pin-and-holes of connecting rod 444, penetrate bearing pin 445, two pin-and-holes of two the second forks 443 are coaxial with the ears ring 4411 of two on top rail 441 respectively, penetrate bearing pin 445 respectively, two pin-and-holes of two the first forks 442 are coaxial with the ears ring 4401 of two on lower transverse beam 440 respectively, penetrate bearing pin 445 respectively, composition series connection parallelogram lindage 44, the vertical plane of symmetry symmetry of top rail 441 and lower transverse beam 440 installs another one series connection parallelogram lindage 44, oil cylinder 45 cylinder body flange is fixed on the middle part symmetric position of lower transverse beam 440, oil cylinder 45 piston rod flange is fixed on the middle part symmetric position of top rail 441, composition elevating mechanism 40,
Camera assembly 13 is fixed on the lower transverse beam 440 of elevating mechanism 40 by the base plate 1322 of camera bracket 132;
Thrust bearing 439 is worn in rotating shaft 434, then rotating shaft 434 is through axis hole bottom gear housing 437, by sheathed for the second gear 433 and be fixed in rotating shaft 434, magnetic for tool interior Hexagonal jacket 435 is fixed on rotating shaft 434 lower end, gear shaft 432 inserts axis hole bottom gear housing 437 from upper end, then by sheathed for the first gear 431 and be fixed on gear shaft 432, first gear 431 and two the second gears 433 mesh together, three of gear-box upper cover 437 axis holes and gear shaft 432 and two rotating shafts 434 are coaxially fixed on gear housing 436, thrust bearing 439 is sheathed on rotating shaft 434 upper end back nut pretension, low speed high torque hydraulic motor 430 is fixed on gear-box upper cover 437, low speed high torque hydraulic motor 430 is connected with gear shaft 432 is coaxial, composition Double-nut synchronous mounting or dismounting assembly 43,
Inverted U frame 421 is inserted gear housing 436 both sides, the slide block 422 again two with bolt hole is inserted bottom inverted U frame 421 both sides rectangle chute 4211 respectively, the position of adjustment inverted U frame 421, make the bolt hole of slide block 422 coaxial with gear housing 436 both sides screwed hole, the bolt hole two bolts 423 being each passed through slide block 422 screws in the screwed hole of gear housing 436 both sides, two pull bar 41 upper flanges dishes are fixed on top rail 441 two ends respectively, two pull bar 41 lower end flange are fixed on two inverted U frame 421 upper surface intermediate symmetrical position respectively, the synchronous assembling and disassembling device 4 of composition sleeper four nut.
The course of work and the principle of the present embodiment are as follows:
1, dismounting nut work: engineering truck traction track car moves to sleeper four nut synchronous assembling and disassembling device lower transverse beam and is positioned at directly over sleeper to be changed, observe at engineering vehicle cab monitor screen, when observing vertical co-planar on the right side of the reference planes of camera assembly and sleeper to be replaced, engineering truck stop motion, four magnetic interior Hexagonal jackets of tool are coaxial with four bolts be fixed on sleeper, as shown in Figure 1, oil pump is started working, hydraulic oil enters cylinder rod chamber, cylinder piston rod bounces back, elevating mechanism is entrusted Double-nut synchronous mounting or dismounting assembly and is dropped to four magnetic interior Hexagonal jackets of tool and be sheathed on four nuts to be torn open, if it is slightly excessive to decline, slide block slides buffering in inverted U frame rectangle chute, oil cylinder quits work, position shown in Fig. 2, synchronous valve in hydraulic system makes hydraulic oil drive two low speed high torque hydraulic motors simultaneously, two the first gears are rotated simultaneously, with two the second gears meshing while of first gear, the magnetic interior Hexagonal jacket of axis of rotation tool is rotated, interior Hexagonal jacket screws off nut, magnetic makes the nut screwed off stay in interior Hexagonal jacket, low speed high torque hydraulic motor quits work, hydraulic oil enters oil cylinder rodless cavity, cylinder piston rod stretches out, elevating mechanism is entrusted Double-nut synchronous mounting or dismounting assembly and is increased to position shown in Fig. 1, oil cylinder quits work, complete the work of dismounting nut, engineering truck traction track car moves to left.
2, mounting nuts works: treat that new sleeper replacement is in place, engineering truck traction track car move to right to the synchronous assembling and disassembling device lower transverse beam of sleeper four nut be positioned at switch tracks pillow directly over, observe at engineering vehicle cab monitor screen, the reference planes observing camera assembly with switched tracks rest the head on the right side of vertical co-planar time, engineering truck stop motion, four interior Hexagonal jackets leaving nut are coaxial with four bolts be fixed on sleeper, as shown in Figure 1, oil pump is started working, hydraulic oil enters cylinder rod chamber, cylinder piston rod bounces back, elevating mechanism is entrusted Double-nut synchronous mounting or dismounting assembly and is dropped to the nut in interior Hexagonal jacket and the pillow threaded bolt contacts that switched tracks, oil cylinder quits work, synchronous valve in hydraulic system makes hydraulic oil drive two low speed high torque hydraulic motors simultaneously, two the first gears are rotated simultaneously, with two the second gears meshing while of first gear, the magnetic interior Hexagonal jacket of axis of rotation tool makes its inner nut rotate, nut screws in bolt and pretension, low speed high torque hydraulic motor quits work, position shown in Fig. 2, hydraulic oil enters oil cylinder rodless cavity, and cylinder piston rod stretches out, and elevating mechanism is entrusted Double-nut synchronous mounting or dismounting assembly and is increased to position shown in Fig. 1, and oil cylinder quits work, and mounting nuts work completes, and engineering truck traction track car runs and leaves.
Camera assembly and monitor can by four bolt positions of four magnetic interior Hexagonal jacket rapid alignment sleepers of tool; Symmetrically arranged two series connection quadrangular mechanisms in elevating mechanism, guarantee that elevating mechanism top rail and lower transverse beam are parallel all the time, with the axis ensureing the magnetic interior Hexagonal jacket of tool all the time with sleeper bolt axis being parallel, straight line and the work of curved rail length section dismounting nut can be adapted to.

Claims (1)

1. the synchronous assembling and disassembling device of sleeper four nut, it is characterized in that: be made up of the synchronous assembling and disassembling device of four nuts, railcar, generator, hydraulic system case, camera assembly and monitor, railcar is provided with four castors and two longerons, the synchronous assembling and disassembling device of four nuts, generator and hydraulic system case are arranged on two longerons of railcar, railcar is drawn by engineering truck, monitor is located in tractor cab, and generator provides power for oil pump;
The described synchronous assembling and disassembling device of four nuts is had the pull bar of flange, two coupling assemblings and two Double-nut synchronous mounting or dismounting assemblies formed by elevating mechanism, two two ends, elevating mechanism is made up of symmetrically arranged two series connection parallelogram lindages and oil cylinder, series connection parallelogram lindage is made up of lower transverse beam, top rail, two the first forks, two the second forks, connecting rod, six bearing pins, lower transverse beam is fixed with four ears rings, top rail is fixed with four ears rings; Coupling assembling is made up of inverted U frame, two slide blocks with bolt hole and two bolts; Double-nut synchronous mounting or dismounting assembly is made up of low speed high torque hydraulic motor, the first gear, gear shaft, two the second gears, two rotating shafts, two the magnetic interior Hexagonal jackets of tool, gear housing, gear-box upper cover, four thrust bearings and four hex nuts, and pull bar is provided with the first flange and the second flange; Camera assembly is made up of camera and camera bracket, and camera bracket is provided with and the isosceles trapezoid reference planes of camera axis co-planar and base plate, and camera is fixed on camera bracket;
First fork, three pin-and-holes of the second fork and connecting rod coaxially penetrate bearing pin, another first fork and the second fork coaxial with three pin-and-holes of connecting rod, penetrate bearing pin, two pin-and-holes of two the second forks are coaxial with the ears ring of two on top rail respectively, penetrate bearing pin respectively, two pin-and-holes of two the first forks are coaxial with the ears ring of two on lower transverse beam respectively, penetrate bearing pin respectively, composition series connection parallelogram lindage, the vertical plane of symmetry symmetry of top rail and lower transverse beam installs another one series connection parallelogram lindage, cylinder block flange is fixed on the middle part symmetric position of lower transverse beam, cylinder piston rod flange is fixed on the middle part symmetric position of top rail, composition elevating mechanism,
Camera assembly is fixed on the lower transverse beam of elevating mechanism by the base plate of camera bracket;
Thrust bearing is worn in rotating shaft, then rotating shaft is through axis hole bottom gear housing, by sheathed for the second gear and be fixed in rotating shaft, magnetic for tool interior Hexagonal jacket is fixed on rotating shaft lower end, by sheathed for the first gear and be fixed on gear shaft, first gear is together with two the second gears meshing, three of gear-box upper cover axis holes and gear shaft and two rotating shafts are coaxially fixed on gear housing, thrust bearing is sheathed on rotating shaft upper end back nut pretension, low speed high torque hydraulic motor is fixed on gear-box and covers, low speed high torque hydraulic motor and gear shaft are coaxially connected, composition Double-nut synchronous mounting or dismounting assembly,
Inverted U frame is inserted gear housing both sides, the slide block again two with bolt hole is inserted bottom the rectangle chute of inverted U frame both sides respectively, the position of adjustment inverted U frame, make the bolt hole of slide block coaxial with gear housing both sides screwed hole, the bolt hole two bolts being each passed through slide block screws in the screwed hole of gear housing both sides, two pull bar upper flanges dishes are fixed on top rail two ends respectively, two pull bar lower end flange are fixed on two inverted U frame upper surface intermediate symmetrical position respectively, the synchronous assembling and disassembling device of composition sleeper four nut.
CN201410446418.5A 2014-09-04 2014-09-04 The synchronous assembling and disassembling device of a kind of sleeper four nut Expired - Fee Related CN104179099B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410446418.5A CN104179099B (en) 2014-09-04 2014-09-04 The synchronous assembling and disassembling device of a kind of sleeper four nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410446418.5A CN104179099B (en) 2014-09-04 2014-09-04 The synchronous assembling and disassembling device of a kind of sleeper four nut

Publications (2)

Publication Number Publication Date
CN104179099A CN104179099A (en) 2014-12-03
CN104179099B true CN104179099B (en) 2015-12-02

Family

ID=51960422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410446418.5A Expired - Fee Related CN104179099B (en) 2014-09-04 2014-09-04 The synchronous assembling and disassembling device of a kind of sleeper four nut

Country Status (1)

Country Link
CN (1) CN104179099B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106436507A (en) * 2016-11-06 2017-02-22 昆明学院 Sleeper replacing device with sleeper four-nut synchronous assembly and disassembly device
CN106498819A (en) * 2016-11-06 2017-03-15 昆明学院 A kind of machine automates fast quick change and rests the head on device
CN109585048A (en) * 2018-11-21 2019-04-05 中科瑞华(安徽)中子能源技术有限公司 A kind of non-direct-view deep diving formula fastening means of small-sized lead base reactor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU804747A1 (en) * 1979-01-02 1981-02-15 Центральное Конструкторское Бюротяжелых Путевых Машин Министерстватяжелого И Транспортного Машино- Строения Device for removing track rail fasteners
CN2045680U (en) * 1989-03-30 1989-10-11 哈尔滨铁路局减速顶调速系统研究中心 Shock locking and unlocking nut device
FR2745216B1 (en) * 1996-02-23 1998-05-22 Turripinoise De Mecanique Sa S MACHINE FOR SCREWING AND UNSCREWING BOLTS OR LOCKDRIVES
CN2727229Y (en) * 2004-07-09 2005-09-21 北京铁科益路科技有限公司 Automatic track bolt operation machine
CN102720104A (en) * 2012-04-26 2012-10-10 山东同力达智能机械有限公司 Railway track bolt tightening device and method thereof
CN204125804U (en) * 2014-09-04 2015-01-28 昆明学院 The synchronous assembling and disassembling device of a kind of sleeper four nut

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU804747A1 (en) * 1979-01-02 1981-02-15 Центральное Конструкторское Бюротяжелых Путевых Машин Министерстватяжелого И Транспортного Машино- Строения Device for removing track rail fasteners
CN2045680U (en) * 1989-03-30 1989-10-11 哈尔滨铁路局减速顶调速系统研究中心 Shock locking and unlocking nut device
FR2745216B1 (en) * 1996-02-23 1998-05-22 Turripinoise De Mecanique Sa S MACHINE FOR SCREWING AND UNSCREWING BOLTS OR LOCKDRIVES
CN2727229Y (en) * 2004-07-09 2005-09-21 北京铁科益路科技有限公司 Automatic track bolt operation machine
CN102720104A (en) * 2012-04-26 2012-10-10 山东同力达智能机械有限公司 Railway track bolt tightening device and method thereof
CN204125804U (en) * 2014-09-04 2015-01-28 昆明学院 The synchronous assembling and disassembling device of a kind of sleeper four nut

Also Published As

Publication number Publication date
CN104179099A (en) 2014-12-03

Similar Documents

Publication Publication Date Title
CN104195899B (en) The quick swivel block machine of a kind of mechanization
CN104179096B (en) A kind of sleeper relaying machine
CN104179095B (en) A kind of mechanization sleeper relaying machine
CN104179099B (en) The synchronous assembling and disassembling device of a kind of sleeper four nut
CN204023332U (en) A kind of sleeper relaying machine
CN204023324U (en) A kind of sleeper room machineization is arranged the quarrel machine that rockfills
CN204125804U (en) The synchronous assembling and disassembling device of a kind of sleeper four nut
CN204080565U (en) A kind of fast quick change pillow machine
CN104164807A (en) Rail lifting sleeper changing machine
CN204080563U (en) A kind of mechanization sleeper relaying machine
CN104179082B (en) The row's of digging stone device is revolved in a kind of traversing vibration
CN204080559U (en) A kind of sleeper room machineization arranges the quarrel machine that rockfills fast
CN204080564U (en) A kind of Fully-mechanized quick swivel block machine
CN204080557U (en) Between a kind of sleeper, vibration is revolved and is dug lithagoue machine
CN204023328U (en) One is carried rail and is changed pillow machine
CN104179087B (en) A kind of sleeper room machineization arranges the quarrel machine that rockfills
CN104195901B (en) A kind of mechanization swivel block machine
CN204080566U (en) One carries the quick swivel block machine of rail
CN104179085B (en) Between a kind of sleeper, vibration is revolved the row of digging and to be rockfilled quarrel machine
CN204080558U (en) Between a kind of sleeper, vibration is revolved and is dug quick lithagoue machine
CN204023334U (en) A kind of mechanization swivel block machine
CN104195895B (en) Vibration rotary excavating type stone removing machine used between sleepers
CN204023320U (en) Between a kind of sleeper, the row's of digging stone device is revolved in vibration
CN104195900B (en) One carries the quick swivel block machine of rail
CN206127773U (en) Automated machine is installed and removed in step to four nuts of sleeper

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151202

Termination date: 20180904

CF01 Termination of patent right due to non-payment of annual fee