CN103669133A - Hydraulic sleeper replacement machine and hydraulic sleeper replacement method - Google Patents

Hydraulic sleeper replacement machine and hydraulic sleeper replacement method Download PDF

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Publication number
CN103669133A
CN103669133A CN201310676110.5A CN201310676110A CN103669133A CN 103669133 A CN103669133 A CN 103669133A CN 201310676110 A CN201310676110 A CN 201310676110A CN 103669133 A CN103669133 A CN 103669133A
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sleeper
hydraulic
hydraulic pressure
mainframe
pulley
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CN103669133B (en
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宋正忠
凌沛洪
高上忠
丁建华
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Shanghai Ruiniu Machinery & Equipment Manufacture Co Ltd
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Shanghai Ruiniu Machinery & Equipment Manufacture Co Ltd
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Abstract

The invention discloses a hydraulic sleeper replacement machine. The hydraulic sleeper replacement machine comprises a main machine frame, track lifting claws, track lifting oil cylinders, an unpowered pulley support, a hydraulic lifting device, a powered pulley support, a hydraulic pump station and the like. The invention further discloses a hydraulic sleeper replacement method. According to the hydraulic sleeper replacement method, a sleeper can be pulled out and replaced through hydraulic control of the hydraulic lifting device and steel wire rope hoisting. The hydraulic sleeper replacement method is suitable for replacement of sleepers of ballasted railways and can relive labor intensity and improve working efficiency.

Description

Hydraulic pressure sleeper relaying machine and replacing method thereof
Technical field
The present invention relates to hydraulic pressure sleeper replacement technology, more particularly, relate to a kind of hydraulic pressure sleeper relaying machine and replacing method thereof.
Background technology
At present, the Main Patterns of China's major repair of track sleeper replacement and equipment are summarized as follows:
1, the machinery group work pattern that belongs to high-tech aspect, representative equipment as: the P95China train overhaul of Switzerland Ma Disa (Matisa), Xiangfan Jin Ying company introduce the DXC-500 molded line road train overhaul of HAAS gram railroad.They all adopt advanced computer control system, are applicable to the heavy repair task of quarrel gapless rail rail track.Be characterized in: use in a large number modernization new technology; Mechanization degree and efficiency are more and more higher; Complete machine structure is increasing, more and more heavier; Price is more and more expensive; The management of machinery becomes increasingly complex.
2, the medium-sized mechanical work pattern that belongs to secondary technology aspect, representative equipment as: the MRT2 sleeper relaying machine of French GEISMAR.Its operating efficiency: replacing 40 sleepers per hour.Complete machine weight: 5 tons.Preparative work before construction and vehicle scheduling aspect are all had higher requirements.
3, manual work pattern is also occupied sizable ratio at present in sleeper replacement operation, in part circuit or even unique mode.Be characterized in: in complicated circuit situation, do not need to transfer tons of large and medium-sized equipment, operating type is flexible; By increasing constructor's quantity, the sea warfare of hitting the person, can proportional increase workload.But labor strength is large, necessary superpower labour is difficult recruitment more and more.Be badly in need of the mechanized equipment liberation labour of highly effective.
In sum, existing various sleeper replacement work patterns respectively have its feature, and various patterns are all left to be desired, need to be supplemented, and by future quite over a long time in and deposit.Especially manual work pattern lacks corresponding power choring equipment.Because mechanized maintenance is the assurance of work business technological progress, it is the pillar of realizing work business great-leap-forward development, do the supporting of large, medium and small type road maintainance machinery well, could adapt to better China railways to quick, heavy duty development, adapt to the needs of work business system overall development situation.Therefore, accelerate the research and practice paces of small-sized sleeper replacement Work machine and work pattern thereof, be conducive to dwindle the gap with aspects such as external product design, manufacture and quality, and find out the work pattern that is applicable to China's actual conditions, could adapt to better China railways to quick, heavy duty development, adapt to the needs of work business system overall development situation.
Summary of the invention
For the above-mentioned shortcoming existing in prior art, the object of this invention is to provide a kind of hydraulic pressure sleeper relaying machine and replacing method thereof, be applicable to the sleeper replacement of quarrel railway, can reduce labor intensity, improve operating efficiency.
For achieving the above object, the present invention adopts following technical scheme:
On the one hand, a kind of hydraulic pressure sleeper relaying machine, comprising:
Mainframe, is also provided with track lifting pawl and track lifting oil cylinder on it;
Unpowered pulley bracket, is located at mainframe one end, and its one end is provided with the first pulley;
Hydraulic crane, mainframe upper end is located in activity, comprise arm, be located at arm one end the second pulley, be located at the first hydraulic pressure elevator parts on arm, the first hydraulic pressure elevator parts have successively the first insulation wire rope assembly in order to pull sleeper through the second pulley, the first pulley;
Dynamic pulley bracket, is located at the mainframe other end, and its one end is provided with the second pulley, is also provided with the second hydraulic pressure elevator parts on it, and the second hydraulic pressure elevator parts have the second insulation wire rope assembly in order to pull sleeper through the second pulley;
Hydraulic power unit, is located at mainframe one side, and it has motor, fluid pressure line and pipe-line control valve, and is respectively by fluid pressure line the hydraulic oil that hydraulic crane, track lifting pawl, track lifting oil cylinder and first and second hydraulic pressure elevator parts are provided as power.
Described mainframe is frame construction, and mainframe bottom is provided with the wheel walking on rail, is also provided with insulation assembly on mainframe.
Described mainframe upper end is provided with arc-shaped guide rail, and described arm one end is flexibly connected with mainframe by the rotating shaft with tapered roller bearing, and arm lower end is also provided with the road wheel walking on arc-shaped guide rail.
Described track lifting pawl comprises hydraulic cylinder and a pair of corpus unguis, and hydraulic cylinder one end is connected with two corpus unguis by pair of links, and connecting rod below is provided with the dead block being fixed on mainframe.
On described track lifting oil cylinder, be also inserted with anti-bull stick.
The first described pulley is connected with unpowered pulley bracket by height regulating frame, and the second described pulley is also connected with dynamic pulley bracket by height regulating frame.
The hand-driven oil hydraulic pump that described hydraulic power unit is also provided with pressure meter and supplies manually to control.
On the other hand, a kind of hydraulic pressure sleeper replacement method, comprises the following steps:
A. hydraulic pressure sleeper relaying machine is installed on rail, and carries out to sleeper replacement operation station;
B. ato unit, controls track lifting pawl by the pipe-line control valve of hydraulic power unit and firmly grasps rail, and controls track lifting oil cylinder lifting mainframe, and then the rail that hoists, in order to abdicate sleeper replacement space;
C. control the first hydraulic pressure elevator parts and emit the first insulation wire rope assembly, through after unpowered pulley bracket, hook the railway spike bolt of sleeper to be changed to, and make equally the second insulation wire rope assembly of the second hydraulic pressure elevator parts through the railway spike bolt that also hooks this sleeper after dynamic pulley bracket;
D. control the first hydraulic pressure elevator parts and tighten up the first insulation wire rope assembly, sleeper to be changed to is pulled out, the second insulation wire rope assembly is pulled to this side position simultaneously, and by hydraulic crane, the sleeper of pulling out is hung to work plane along arc-shaped guide rail;
E. by hydraulic crane, sleeper to be changed to is sling, and first and second insulation wire rope assembly is hooked respectively to the railway spike bolt of this sleeper, and by the second hydraulic pressure elevator parts, this sleeper is drawn in to installation site.
F. regain first and second insulation wire rope assembly, retraction track lifting oil cylinder, to fall mainframe and to unclamp after track lifting pawl, is carried out hydraulic pressure sleeper relaying machine to next station.
Described hydraulic crane is controlled by pipe-line control valve can move to correct position along arc-shaped guide rail.
Described hydraulic pressure sleeper relaying machine also can manually be controlled by hand-driven oil hydraulic pump.
In technique scheme, hydraulic pressure sleeper relaying machine of the present invention and replacing method thereof have following advantage:
1, as a kind of small-sized sleeper replacement Work machine, be applicable to the sleeper replacement of quarrel railway, can reduce labor intensity, improve operating efficiency;
2, adopt explosive motor and hydraulic pressure as power, guarantee mobility and the flexibility of operating type;
3, hydraulic crane can 120 ° rotates freely, roadbed side slope more suddenly, dark again, also can easily sleeper be winched to suitable position, very large to the meaning that reduces labor intensity;
4, adopt hydraulic pressure elevator parts, can guarantee that wire rope is no matter when moving into or lay out reel, need not external force assist (as deadweight), also rope closing or put rope successfully, and can guarantee wire rope neatly, be closely wrapped on reel, even if horizontal direction is put rope or rope closing also there will not be disorder cable phenomenon even upward like this;
5, track lifting pawl adopts hydraulic lock and mechanical self-latching Double-insurance structure, for safety in production increases, ensures;
6, adopt some row insulation measures, the insulaion resistance >=1M Ω while having guaranteed operation between two strands of rail, the generation of having stopped connection electrification;
7, complete machine adopts splicing structure, maximum single-piece quality (containing hydraulic oil)≤250kg, upper and lower road is convenient, each parts all can carry out Fast Installation with mainframe by hydraulic quick connector, latch, screw thread handwheel etc., without by instrument, under normal circumstances, one group of five people can complete the upper track of complete machine and assembled in 15min.
Accompanying drawing explanation
Fig. 1 is the structural perspective of hydraulic pressure sleeper relaying machine of the present invention;
Fig. 2 is the structural perspective of the mainframe being promoted by track lifting oil cylinder of the present invention;
Fig. 3 is the sectional view of the mainframe being promoted by track lifting oil cylinder of the present invention;
Fig. 4 is the promptly structure sectional view of rail of track lifting pawl of the present invention;
Fig. 5 is the hydraulic principle figure of hydraulic pressure sleeper relaying machine of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, further illustrate technical scheme of the present invention.
Refer to shown in the figure of Fig. 1~3, hydraulic pressure sleeper relaying machine of the present invention mainly comprises the parts such as mainframe 1, track lifting pawl 2, track lifting oil cylinder 3, unpowered pulley bracket 4, hydraulic crane 5, dynamic pulley bracket 6, hydraulic power unit 7, wherein:
Mainframe 1 is frame construction, on it, be also provided with one or more pairs of track lifting pawls 2 and several track lifting pawl 2 to shown in track lifting oil cylinder 3(Fig. 1, Fig. 2 for a pair of road oil cylinder 3 be two pairs), in mainframe 1 bottom, be provided with the wheel 9 walking on rail 8, on mainframe 1, be also provided with insulation assembly 10.
Unpowered pulley bracket 4 is located at mainframe 1 one end, is tripod shape, and its one end is provided with the first pulley 11.This first pulley 11 can be connected with unpowered pulley bracket 4 by height regulating frame 12 is set, thereby can adjust according to demand the height of the first pulley 11.
Mainframe 1 upper end is located in hydraulic crane 5 activities, it mainly comprises arm 13, be located at second pulley 14 of arm 13 one end, be located at the first hydraulic pressure elevator parts 15, the first hydraulic pressure elevator parts 15 on arm 13 has successively the first insulation wire rope assembly 17 in order to pull sleeper 16 through the second pulley 14, the first pulley 11.In order to make hydraulic crane 5 can meet the demand of different work position, in described mainframe 1 upper end, be provided with arc-shaped guide rail 18, and the other end of arm 13 is flexibly connected with mainframe 1 by the rotating shaft 20 with tapered roller bearing 19, arm 13 lower ends are also provided with the road wheel 21 walking on arc-shaped guide rail 18, thereby can make arm 13 carry out the rotation of 120 degree along arc-shaped guide rail 18, and can be fixed to correct position by latch.Adopt separately tapered roller bearing 19 can play the effect of balancing axial thrust and radial load.
6 of dynamic pulley brackets are located at mainframe 1 other end, it is also tripod shape, one end is provided with the second pulley 14, is also provided with in addition the second hydraulic pressure elevator parts 22, the second hydraulic pressure elevator parts 22 and has the second insulation wire rope assembly 23 in order to pull sleeper 16 through the second pulley 14 on it.Certainly, the second pulley 14 also can be connected with dynamic pulley bracket 6 by height regulating frame 12, in order to regulate its height.In Fig. 5 35 is the hydraulic control valve that the second hydraulic pressure elevator parts 22 adopt, and the Y type Median Function that it adopts, guarantees when meta, also can be by external force rope stretching.
Hydraulic power unit 7, be located at mainframe 1 one sides, it has explosive motor, a plurality of fluid pressure line and in order to control the pipe-line control valve 24 of above-mentioned fluid pressure line, and is respectively by each fluid pressure line the hydraulic oil that hydraulic crane 5, track lifting pawl 2, track lifting oil cylinder 3 and first and second hydraulic pressure elevator parts 15,22 etc. are provided as power.On fluid pressure line, be also provided with pressure meter 29, for real-time monitored oil pressure.Certainly, on hydraulic power unit 7, also can be provided with hand-driven oil hydraulic pump, see 33 in Fig. 5, lose engine power in emergency circumstances, can be by power is manually provided, track lifting pawl 2 is unclamped in operation, the 3 Deng Xia road work of reset track lifting oil cylinder.
Shown in Fig. 4, each track lifting pawl 2 comprises hydraulic cylinder 25 and a pair of corpus unguis 26, hydraulic cylinder 25 one end are connected with two corpus unguis 26 by pair of links 27, when hydraulic cylinder 25 stretches out downwards, drive promptly rail 8 of corpus unguis 26, and by hydraulic cylinder 25 front ends be fixed on mainframe on and the dead block 32 that is positioned at connecting rod 27 belows contact spacingly, make two connecting rods 27 formation be less than the angle a of 180 degree, angle a is advisable with 170 °~180 °, thereby plays the effect of machine insurance.Certainly, can also adopt hydraulic lock measure, see 34 in Fig. 5, thereby play dual fail-safe, for safety in production increases, ensure.
And each track lifting oil cylinder 3 is controlled by pipe-line control valve 24, play to promote mainframe 1 and then promote and grabbed rail 8.In addition, a side of each track lifting oil cylinder 3 is all inserted with an anti-bull stick 28 to base plate 31 rotations of the lower end of the oil cylinder 3 that prevents from raising track, while guaranteeing operation base plate not because of rotation enter sleeper into and out of circuit, do not interfere with sleeper.
The complete machine that hydraulic pressure sleeper 16 of the present invention is more changed planes can adopt splicing structure, maximum single-piece quality (containing hydraulic oil)≤250kg, the parts such as track lifting pawl 2, track lifting oil cylinder 3, unpowered pulley bracket 4, hydraulic crane 5, dynamic pulley bracket 6, hydraulic power unit 7 all can adopt hydraulic quick connector, latch, screw thread handwheel etc. to be connected with mainframe 1, without by instrument, can realize quick handling.
Adopt hydraulic pressure sleeper 16 of the present invention more to change planes and carry out sleeper 16 replacing methods, specifically comprise the following steps:
A. hydraulic pressure sleeper relaying machine is installed on rail 8, and carries out changing operation station to sleeper 16;
B. ato unit, controls promptly rail 8 of track lifting pawl 2 by the pipe-line control valve 24 of hydraulic power unit 7, and controls track lifting oil cylinder 3 lifting mainframes 1, and then the rail 8 that hoists, and changes spaces, simultaneously the show values of observed pressure table 29 in order to abdicate sleeper 16;
C. control the first hydraulic pressure elevator parts 15 and emit the first insulation wire rope assembly 17, through after unpowered pulley bracket 4, hook the railway spike bolt 30 of sleeper to be changed to 16, and make equally the second insulation wire rope assembly 23 of the second hydraulic pressure elevator parts 22 through the railway spike bolt 30 that also hooks this sleeper 16 after dynamic pulley bracket 6;
D. control the first hydraulic pressure elevator parts 15 and tighten up the first insulation wire rope assembly 17, sleeper to be changed to 16 is pulled out, the second insulation wire rope assembly 23 is pulled to this side position simultaneously, and by hydraulic crane 5, the sleeper of pulling out 16 is hung to work plane along arc-shaped guide rail 18;
E. by hydraulic crane 5, sleeper to be changed to 16 is sling, and first and second insulation wire rope assembly is hooked respectively to the railway spike bolt 30 of this sleeper 16, and by the second hydraulic pressure elevator parts 22, this sleeper 16 is drawn in to installation site.
F. regain first and second insulation wire rope assembly, retraction track lifting oil cylinder 3, to fall mainframe 1 and to unclamp after track lifting pawl 2, is more changed planes hydraulic pressure sleeper 16 and is carried out to next station.
In sum, adopt hydraulic pressure sleeper 16 of the present invention more to change planes and replacing method, tool has the following advantages:
1,, as a kind of small-sized sleeper replacement Work machine, the sleeper 16 that is applicable to quarrel railway is changed, and can reduce labor intensity, and improves operating efficiency;
2, adopt explosive motor and hydraulic pressure as power, guarantee mobility and the flexibility of operating type;
3, hydraulic crane 5 can 120 ° rotates freely, roadbed side slope more suddenly, dark again, also can easily sleeper 16 be winched to suitable position, very large to the meaning that reduces labor intensity;
4, adopt hydraulic pressure elevator parts, can guarantee that wire rope is no matter when moving into or lay out reel, need not external force assist (as deadweight), also rope closing or put rope successfully, and can guarantee wire rope neatly, be closely wrapped on reel, even if horizontal direction is put rope or rope closing also there will not be disorder cable phenomenon even upward like this;
5, track lifting pawl 2 adopts the Double-insurance structure of hydraulic lock and frame for movement location, for safety in production increases, ensures;
6, adopt some row insulation measures, insulaion resistance >=1M Ω of 8 of two strands of rail while having guaranteed operation, the generation of having stopped connection electrification;
7, complete machine adopts splicing structure, maximum single-piece quality (containing hydraulic oil)≤250kg, upper and lower road is convenient, each parts all can carry out Fast Installation with mainframe 1 by hydraulic quick connector, latch, screw thread handwheel etc., without by instrument, under normal circumstances, one group of five people can complete the upper track of complete machine and assembled in 15min.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, and be not used as limitation of the invention, as long as within the scope of connotation of the present invention, to the variation of the above embodiment, modification, all will drop within the scope of claims of the present invention.

Claims (10)

1. a hydraulic pressure sleeper relaying machine, is characterized in that, comprising:
Mainframe, is also provided with track lifting pawl and track lifting oil cylinder on it;
Unpowered pulley bracket, is located at mainframe one end, and its one end is provided with the first pulley;
Hydraulic crane, mainframe upper end is located in activity, comprise arm, be located at arm one end the second pulley, be located at the first hydraulic pressure elevator parts on arm, the first hydraulic pressure elevator parts have successively the first insulation wire rope assembly in order to pull sleeper through the second pulley, the first pulley;
Dynamic pulley bracket, is located at the mainframe other end, and its one end is provided with the second pulley, is also provided with the second hydraulic pressure elevator parts on it, and the second hydraulic pressure elevator parts have the second insulation wire rope assembly in order to pull sleeper through the second pulley;
Hydraulic power unit, is located at mainframe one side, and it has motor, fluid pressure line and pipe-line control valve, and is respectively by fluid pressure line the hydraulic oil that hydraulic crane, track lifting pawl, track lifting oil cylinder and first and second hydraulic pressure elevator parts are provided as power.
2. hydraulic pressure sleeper relaying machine as claimed in claim 1, is characterized in that:
Described mainframe is frame construction, and mainframe bottom is provided with the wheel walking on rail, is also provided with insulation assembly on mainframe.
3. hydraulic pressure sleeper relaying machine as claimed in claim 1, is characterized in that:
Described mainframe upper end is provided with arc-shaped guide rail, and described arm one end is flexibly connected with mainframe by the rotating shaft with tapered roller bearing, and arm lower end is also provided with the road wheel walking on arc-shaped guide rail.
4. hydraulic pressure sleeper relaying machine as claimed in claim 1, is characterized in that:
Described track lifting pawl comprises hydraulic cylinder and a pair of corpus unguis, and hydraulic cylinder one end is connected with two corpus unguis by pair of links, and connecting rod below is provided with the dead block being fixed on mainframe.
5. hydraulic pressure sleeper relaying machine as claimed in claim 1, is characterized in that:
On described track lifting oil cylinder, be also inserted with anti-bull stick.
6. hydraulic pressure sleeper relaying machine as claimed in claim 1, is characterized in that:
The first described pulley is connected with unpowered pulley bracket by height regulating frame, and the second described pulley is also connected with dynamic pulley bracket by height regulating frame.
7. hydraulic pressure sleeper relaying machine as claimed in claim 1, is characterized in that:
The hand-driven oil hydraulic pump that described hydraulic power unit is also provided with pressure meter and supplies manually to control.
8. a hydraulic pressure sleeper replacement method, is characterized in that:
Comprise the following steps:
A. hydraulic pressure sleeper relaying machine is installed on rail, and carries out to sleeper replacement operation station;
B. ato unit, controls track lifting pawl by the pipe-line control valve of hydraulic power unit and firmly grasps rail, and controls track lifting oil cylinder lifting mainframe, and then the rail that hoists, in order to abdicate sleeper replacement space;
C. control the first hydraulic pressure elevator parts and emit the first insulation wire rope assembly, through after unpowered pulley bracket, hook the railway spike bolt of sleeper to be changed to, and make equally the second insulation wire rope assembly of the second hydraulic pressure elevator parts through the railway spike bolt that also hooks this sleeper after dynamic pulley bracket;
D. control the first hydraulic pressure elevator parts and tighten up the first insulation wire rope assembly, sleeper to be changed to is pulled out, the second insulation wire rope assembly is pulled to this side position simultaneously, and by hydraulic crane, the sleeper of pulling out is hung to work plane along arc-shaped guide rail;
E. by hydraulic crane, sleeper to be changed to is sling, and first and second insulation wire rope assembly is hooked respectively to the railway spike bolt of this sleeper, and by the second hydraulic pressure elevator parts, this sleeper is drawn in to installation site;
F. regain first and second insulation wire rope assembly, retraction track lifting oil cylinder, to fall mainframe and to unclamp after track lifting pawl, is carried out hydraulic pressure sleeper relaying machine to next station.
9. hydraulic pressure sleeper replacement method as claimed in claim 8, is characterized in that:
Described hydraulic crane is controlled by pipe-line control valve can move to correct position along arc-shaped guide rail.
10. hydraulic pressure sleeper replacement method as claimed in claim 9, is characterized in that:
Described hydraulic pressure sleeper relaying machine also can manually be controlled by hand-driven oil hydraulic pump.
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CN104164808A (en) * 2014-09-04 2014-11-26 昆明学院 Sleeper replacing device
CN104164807A (en) * 2014-09-04 2014-11-26 昆明学院 Rail lifting sleeper changing machine
CN104179098A (en) * 2014-09-04 2014-12-03 昆明学院 Rail lifting and sleeper push-and-pull device
CN104179094A (en) * 2014-09-04 2014-12-03 昆明学院 Fully-mechanized quick sleeper-changing machine
CN104195894A (en) * 2014-09-04 2014-12-10 昆明学院 Vibration rotary excavating type quick stone removing machine used between sleepers
CN104195903A (en) * 2014-09-04 2014-12-10 昆明学院 Sleeper hoisting device
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CN104179094A (en) * 2014-09-04 2014-12-03 昆明学院 Fully-mechanized quick sleeper-changing machine
CN104195894A (en) * 2014-09-04 2014-12-10 昆明学院 Vibration rotary excavating type quick stone removing machine used between sleepers
CN104195903A (en) * 2014-09-04 2014-12-10 昆明学院 Sleeper hoisting device
CN104195896A (en) * 2014-09-04 2014-12-10 昆明学院 Vibrating and rotary excavating stone discharging device between sleepers
CN104195904A (en) * 2014-09-04 2014-12-10 昆明学院 Mechanical sleeper replacing machine
CN104195896B (en) * 2014-09-04 2016-04-06 昆明学院 Between a kind of sleeper, the row's of digging stone device is revolved in vibration
CN104195894B (en) * 2014-09-04 2016-02-10 昆明学院 Between a kind of sleeper, vibration is revolved and is dug quick lithagoue machine
CN104164808A (en) * 2014-09-04 2014-11-26 昆明学院 Sleeper replacing device
CN104164807A (en) * 2014-09-04 2014-11-26 昆明学院 Rail lifting sleeper changing machine
CN104179094B (en) * 2014-09-04 2015-11-18 昆明学院 A kind of Fully-mechanized quick swivel block machine
CN104164808B (en) * 2014-09-04 2016-05-25 昆明学院 A kind of sleeper device of changing
CN104195903B (en) * 2014-09-04 2016-09-14 昆明学院 A kind of sleeper handling apparatus
CN106283985A (en) * 2016-08-31 2017-01-04 昆明学院 A kind of swivel block and push-and-pull sleeper mechanical-electrical-hydraulic integration device
CN106400625A (en) * 2016-09-13 2017-02-15 昆明学院 Automatic rail lifting and sleeper replacing machine
CN107178015A (en) * 2017-07-06 2017-09-19 中铁上海工程局集团有限公司 A kind of long sleeper replacement constructing device of girder steel open bridge floors synthetic resin and method
CN108468257A (en) * 2018-04-09 2018-08-31 浙江鑫湖医疗科技有限公司 Device for regulating rail and orbit adjusting method
CN108589443A (en) * 2018-07-05 2018-09-28 上海瑞纽机械股份有限公司 A kind of understructure applied to hydraulic tool for taking up tracks
CN108589443B (en) * 2018-07-05 2023-08-29 上海瑞纽机械股份有限公司 Be applied to base structure of hydraulic jack
CN114934412A (en) * 2022-06-08 2022-08-23 上海瑞纽机械股份有限公司 Switch substrate replacing device and using method thereof

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