CN2224859Y - hydraulic tool for taking up tracks - Google Patents
hydraulic tool for taking up tracks Download PDFInfo
- Publication number
- CN2224859Y CN2224859Y CN 95212083 CN95212083U CN2224859Y CN 2224859 Y CN2224859 Y CN 2224859Y CN 95212083 CN95212083 CN 95212083 CN 95212083 U CN95212083 U CN 95212083U CN 2224859 Y CN2224859 Y CN 2224859Y
- Authority
- CN
- China
- Prior art keywords
- plunger
- pumps
- plunger displacement
- supply system
- plunger pumps
- 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
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to a manual hydraulic steel rail lifting device for daily maintaining railway lines. The manual hydraulic steel rail lifting device comprises a pedestal, an oil supply system and a lifting mechanism. The manual hydraulic steel rail lifting device is characterized in that the oil supply system adopts two pairs of linkage plunger pumps, one pair of linkage plunger pumps are oil drainage plunger pumps, and the other pair of linkage plunger pumps are solid plunger pumps. The two pairs of pumps are respectively connected by connecting pieces, and an auxiliary force hole is separated with an oil tank and the pedestal and is connected with the lifting mechanism. The manual hydraulic steel rail lifting device has the advantages of high zero load efficiency and convenient disassembly, assembly and repair.
Description
The utility model relates to a kind of hand-hydraulic rail re-railing equipment that is used for railway track routine servicing maintenance activity.
Present domestic existing like product, two distinct disadvantage are arranged, the one, its oil supply system adopts the common plunger displacement pump of a pair of interlock, at Light Condition and high-pressure work state, plunger displacement pump equates to the fuel delivery of master cylinder, unloaded efficient is low, and the working time is long, has influenced the use on the very little busy trunk lines of running interval.The 2nd, power-assisted hole and fuel tank or base designs are integral, because impact force is very big in using, power-assisted hole root easy fracture, causing these main parts of fuel tank or base to damage scraps, change, not only the cost height also relates to the dismounting of many component, makes maintenance load increase, influence is normal to be used, and maintenance cost is also high simultaneously.
The purpose of this utility model is: improved the prior art structure, adopted two kinds of plunger displacement pumps, thereby made the utility model reach higher unloaded efficient, and reduced maintenance cost.
Technical solution of the present utility model is: adopt two pairs of interlock plunger displacement pumps, a pair of is the draining plunger displacement pump, and a pair of is solid plunger displacement pump, and two pairs of pumps are connected by connector respectively.When zero load and low pressure, four plunger pump works, to the master cylinder high flow rate oil supply, the quick jack-up of piston is improved unloaded efficient; During high pressure, convert two plunger pump works to,, guarantee the multiple power that rises that reaches certain to the master cylinder high-pressure oil feed.Simultaneously the power-assisted hole is separated with base with fuel tank, and with work the structure of answering a pager's call and be connected formation " power-assisted linkage ", the workload when reducing to change.
Specific embodiments of the present utility model is as follows:
Fig. 1, structural representation
Fig. 2, hydraulic schematic diagram
Fig. 3, draining plunger schematic diagram
Fig. 4, power-assisted pore structure schematic diagram
See Fig. 1, the utility model is by base, oil supply system and work the structure three parts of answering a pager's call and form.
Base is the basis of this machine, oil supply system is installed above and works the structure of answering a pager's call.
See Fig. 2, oil supply system is that this machine is finished the core that rail works the work of returning to work, and has been the source of multiple power.Constitute by fuel tank (3), master cylinder (9), plunger displacement pump (19), safety valve (16), oil return valve (5) and operating system.
Working the structure of answering a pager's call is that this machine is finished the executing agency that rail works the work of returning to work, and constitutes a four-bar mechanism by support arm (10), power-assisted connecting rod (8), cylinder sleeve (9) and base (11), to have transmitted multiple power.
The utility model adopts two pairs of interlock plunger displacement pumps, and two solid common plunger displacement pumps are connected by connector respectively with two draining plunger displacement pumps.When zero load and low pressure, four plunger displacement pumps make piston (11) fast rise all to master cylinder (9) fuel feeding, improve unloaded efficient; During high pressure, the automatic draining of draining plunger (13) pump, two solid plungers (20) pump have guaranteed under less crank active force that to the master cylinder fuel feeding master cylinder reaches certain multiple power that rises.
Draining plunger of the present utility model (13) pump is with plunger design globulate check valve-type structure, and as Fig. 3, its plunger is provided with spring (22), at spring one end a steel ball (23) that is positioned at plug endoporus oral area is arranged.When system pressure reached certain value, hydraulic oil made spring (22) compression by the compressing of the hole on the plug (24) steel ball (23), and hydraulic oil enters in the interior hole of plunger, flows back to fuel tank, draining plunger (15) pump off-load.Like this, most cranks (26) active force all acts on two solid common plunger displacement pumps, makes system pressure satisfy rail and plays multiple needs.
When the utility model uses, earlier main oil cylinder piston (19) is resetted, crank (26) inserts the power-assisted hole, and one holds crank (26), and a portable carrying handle (6) will raise track to take turns and bang into the flange of rail, extract crank (26) out, the carrying handle that fell (6).Close oil return valve (5), crank (26) is inserted crank socket (4), shake crank (26), when zero load and low pressure, four plunger displacement pump alternations, hydraulic oil in the fuel tank is inhaled into plunger displacement pump through filter screen (15), inlet valve (14), be pressed into master cylinder (18) through delivery valve (17) by the integrated oil path of design in base again, piston is risen, and by top cover (2) and cylinder sleeve, drive support arm (10) rising hinged with cylinder sleeve (9), support arm (10) holds up the wheel that raises track, and withstands rail.After reaching certain pressure, draining plunger (13) pump off-load, for hydraulic oil, the jack-up rail is finished the track lifting operation to two solid plungers (20) pump to master cylinder.
The utility model is designed to one with power-assisted hole and the connecting rod (8) that works the structure of answering a pager's call, and its base (11) is hinged with support arm (10).As Fig. 4, like this, when this part damaged, the two branch ostium pins (27) of only need dismantling were replaceable new, make maintenance work to carry out at the use scene, and neither influence is normal uses, and has reduced maintenance load again.
The utility model is compared with present domestic existing like product, and its main feature and advantage are:
1, installs a pair of interlock draining plunger displacement pump, no-load efficiency height additional;
2, separate with base with fuel tank in the power-assisted hole, is combined formation with the afterbody connecting rod " power-assisted connects phase mechanism ", dismounting, easy to maintenance.
Claims (3)
1, a kind of hydraulic pressure rail jack, comprise base, oil supply system and work the structure of answering a pager's call, it is characterized in that: oil supply system adopts two pairs of interlock plunger displacement pumps, a pair of is the draining plunger displacement pump, and a pair of is solid plunger displacement pump, and two pairs of pumps are connected by connector respectively, separate with base with fuel tank in the power-assisted hole, and works the structure of answering a pager's call and be connected.
2, by the described rail jack of claim 1, it is characterized in that: one is become with the connecting rod (8) that works the structure of answering a pager's call in described power-assisted hole, and its base (11) is hinged with support arm (10).
3, by the described rail jack of claim 1, it is characterized in that: the draining plunger displacement pump is designed to ball valve with plunger (13), and its plunger body is provided with spring (22), at spring one end a steel ball (23) that is positioned at plug (24) endoporus portion is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95212083 CN2224859Y (en) | 1995-05-31 | 1995-05-31 | hydraulic tool for taking up tracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95212083 CN2224859Y (en) | 1995-05-31 | 1995-05-31 | hydraulic tool for taking up tracks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2224859Y true CN2224859Y (en) | 1996-04-17 |
Family
ID=33862382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95212083 Expired - Fee Related CN2224859Y (en) | 1995-05-31 | 1995-05-31 | hydraulic tool for taking up tracks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2224859Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761001A (en) * | 2010-03-03 | 2010-06-30 | 张长友 | Multistage hydraulic cylinder track lifting and lining tool |
| CN102607347A (en) * | 2011-07-08 | 2012-07-25 | 薛世忠 | Special tunneling bulk emulsified base material loading truck |
-
1995
- 1995-05-31 CN CN 95212083 patent/CN2224859Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761001A (en) * | 2010-03-03 | 2010-06-30 | 张长友 | Multistage hydraulic cylinder track lifting and lining tool |
| CN101761001B (en) * | 2010-03-03 | 2012-05-30 | 张长友 | Multistage hydraulic cylinder track lifting and lining tool |
| CN102607347A (en) * | 2011-07-08 | 2012-07-25 | 薛世忠 | Special tunneling bulk emulsified base material loading truck |
| CN102607347B (en) * | 2011-07-08 | 2015-07-08 | 青岛拓极采矿服务有限公司 | Special tunneling bulk emulsified base material loading truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |