CN207921021U - A kind of tamping car track lifting oil cylinder - Google Patents
A kind of tamping car track lifting oil cylinder Download PDFInfo
- Publication number
- CN207921021U CN207921021U CN201820237559.XU CN201820237559U CN207921021U CN 207921021 U CN207921021 U CN 207921021U CN 201820237559 U CN201820237559 U CN 201820237559U CN 207921021 U CN207921021 U CN 207921021U
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- China
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- cylinder
- piston
- guide sleeve
- track lifting
- piston rod
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Abstract
The utility model discloses a kind of tamping car track lifting oil cylinders, including cylinder barrel, piston rod, cylinder bottom, guide sleeve, piston, the first earrings, the second earrings and cylinder sleeve；The piston rod is installed on the inside of the cylinder barrel, and the left end of piston rod connects piston, and right end is connected with the first earrings by pivoting support；One end of the cylinder bottom is welded on the left end of the cylinder barrel, and the other end is connected with the second earrings；The guide sleeve is sleeved on the periphery on the right side of the piston rod；The left end of the piston is equipped with buffering spacer, and the periphery of the buffering spacer is equipped with O-ring seal；The cylinder sleeve is fixedly installed in the right end of the cylinder barrel.The utility model is simple in structure, track lifting power and track lifting amount are big, stability is high, operate steadily, reliability is high, overcomes small hydraulic tool for taking up tracks track lifting power and the deficiencies of track lifting amount is small, and the labor intensity of operator is big, operating efficiency is low, operation quality is difficult to ensure；The phenomenon that oil leak is not present in its leakproofness height, and impact resistance performance is high, is not afraid of vibration.
Description
Technical field
The utility model is related to hydraulic cylinder technical field, more particularly to a kind of tamping car track lifting oil cylinder.
Background technology
With the development of China Railway cause, the tamping machine and method of China's railway track ballast are also constantly
Development.Continous way tamping car is a kind of railroad maintenance equipment, it can improve circuit precision and operating efficiency, make full use of " skylight "
Time is the required equipment that raising speed railway carries out high-efficient maintenance maintenance.Existing small-sized hydraulic tamping car is to utilize hydraulic mechanism
Rise and the concrete vibrating mechanism of underthrust, the equipment of tamping car include tamping unit, play track lining device, tamping unit.It is relied on
It is comprehensive in each work cycle to complete making firm by ramming, playing track lining levelling for road by the all-hydraulic execution system that stored program controlled controls
And tamping operation.When being made firm by ramming to circuit ballast, it the shortcomings that be：Loss power is big, direction of vibration is chaotic, working efficiency
It is low, tamping quality has been severely impacted, has not adapted to the requirement of modernization circuit.
Existing tamping car track lifting oil cylinder, due to guide sleeve and the cylinder body decentraction of track lifting oil cylinder, in processing and installation row
During journey, threaded connection has loosening, even more there is gap, is easy for that guiding external threading is caused to damage static sealing ring,
And this loosening and gap just directly affect leakproofness, and just it is easy to appear oil leakage phenomenon, poor sealing performance just drops significantly
Its low service life.
Existing tamping car track lifting oil cylinder the shortcomings that there is also following several respects in use：First, rail jack raises track
Power and track lifting amount are small, operator there are labor intensity it is big, operating efficiency is low, operation quality is difficult to ensure the deficiencies of, second is that sealing
Property poor, frequent oil leak, third, generating vibration when operation and pausing, work is unstable, while the stability of compression bar is poor, in use
Often occur bending or metaboly.
Utility model content
The technical problems to be solved in the utility model be according to above-mentioned the deficiencies in the prior art, provide it is a kind of it is simple in structure,
Track lifting power and track lifting amount are big, stability is high, leakproofness is high, operate steadily, the tamping car that reliability is high, impact resistance performance is high rises
Road oil cylinder.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of tamping car track lifting oil cylinder, including cylinder
Cylinder, piston rod, cylinder bottom, guide sleeve, piston, the first earrings, the second earrings and cylinder sleeve；The piston rod is installed on the cylinder barrel
The left end of inside, piston rod connects piston, and right end is connected with the first earrings by pivoting support；The right end of the cylinder bottom connects institute
The left end of cylinder barrel is stated, the other end is connected with the second earrings；The guide sleeve is sleeved on the periphery on the right side of the piston rod, described to lead
To set between the cylinder barrel and piston rod；The left end of the piston is equipped with buffering spacer, the periphery of the buffering spacer
Equipped with O-ring seal；The cylinder sleeve is fixedly installed in the right end of the cylinder barrel；The right end of the cylinder sleeve connects with the guide sleeve
It connects.
It is expanded on further as to the utility model：
Preferably, the left and right ends of the cylinder barrel are equipped with the first oilhole and the second oilhole, first oilhole and the successively
Two oilholes are used for the disengaging of hydraulic oil.
Preferably, the periphery of the piston is equipped with piston packing, and the piston packing is located at piston and cylinder barrel
Between inner wall.
Preferably, it is sequentially installed with guide sleeve support ring, dust-proof seal ring, piston rod from right to left on the inside of the guide sleeve
Sealing ring and with guide sleeve inner seal ring, the guide sleeve inner seal ring be two.
Preferably, guide sleeve exterior seal ring is equipped between the outside of the guide sleeve and the cylinder barrel.
Preferably, a diameter of 110mm~140mm of cylinder tube, the work that diameter of piston rod is 42mm~55mm, piston
Stroke is 435mm~465mm, and operating pressure is 12Mpa~17MPa, and test pressure is 25Mpa~30Mpa.
Preferably, a diameter of 125mm of cylinder tube, diameter of piston rod 50mm, piston impulse stroke be 450mm, work
It is 14MPa, test pressure 28Mpa to make pressure.
Preferably, the guide sleeve is fixedly connected by screw with the cylinder sleeve.
Preferably, the right end of the cylinder bottom is welded on the left end of the cylinder barrel.
The utility model has the beneficial effects that：The guide sleeve of the utility model both prevented piston rod from occurring in action process
Offset is used as cylinder cap again, improves the stationarity of cylinder efficient；Both sides are equipped with earrings, play correction during the work time
Effect；The utility model is simple in structure, track lifting power and track lifting amount are big, stability is high, operates steadily, reliability height, overcomes
Originally small hydraulic tool for taking up tracks track lifting power and track lifting amount are small, and the labor intensity of operator is big, operating efficiency is low, operation quality is difficult to protect
The deficiencies of card；The phenomenon that oil leak is not present in its leakproofness height, and impact resistance performance is high, is not afraid of vibration, is being not required to or is being not easy to
The occasion of large-scale tamping car operation, played an important role, and can be automatically controled track lifting amount, greatly improve the water of railway track
Flat, height, direction levelling and orientation efficiency and precision, be particularly suitable for the big or middle of circuit and repair, create, river improvement project construction.
Description of the drawings
Fig. 1 is the overall structure figure of the utility model.
Fig. 2 is the overall structure sectional view of the utility model
In figure：1. cylinder barrel；2. piston rod；21. pivoting support；3. cylinder bottom；4. guide sleeve；5. piston；51. buffering spacer；
52.O type sealing rings；6. the first earrings；61. the second earrings；7. cylinder sleeve；8. the first oilhole；9. the second oilhole；10. piston seal
Circle；11. guide sleeve support ring；12. dust-proof seal ring；13. piston rod seals；14. guide sleeve inner seal ring；15. guide sleeve
Exterior seal ring；16. screw.
Specific implementation mode
The structural principle of the utility model and operation principle are described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the utility model be a kind of tamping car track lifting oil cylinder, including cylinder barrel 1, piston rod 2, cylinder bottom 3,
Guide sleeve 4, piston 5, the first earrings 6, the second earrings 61 and cylinder sleeve 7；The piston rod 2 is installed on the inside of the cylinder barrel 2, living
The left end of stopper rod 2 connects piston 5, and right end is connected with the first earrings 6 by pivoting support 21, and the first earrings 6 can be by turning round branch
21 are held to rotate relative to piston rod 2；The right end of the cylinder bottom 3 is welded on the left end of the cylinder barrel 1, and the other end is connected with the second ear
Ring 61；The guide sleeve 4 is sleeved on the periphery on 2 right side of the piston rod, and the guide sleeve 4 is located at the cylinder barrel 1 and piston rod 2
Between；The left end of the piston 5 is equipped with buffering spacer 51, and the periphery of the buffering spacer 51 is equipped with O-ring seal 52, described
Buffering spacer 51 is to prevent from piston 5 from moving rapidly to shock cylinder bottom 3 when stroke terminal to damage, the O-ring seal 52
To prevent hydraulic fluid leak；The cylinder sleeve 7 is fixedly installed in the right end of the cylinder barrel 1；The right end of the cylinder sleeve 7 and the guiding
4 connection of set.
As shown in Figure 1 and Figure 2, the left and right ends of the cylinder barrel 1 are equipped with the first oilhole 8 and the second oilhole 9 successively.Described
One oilhole 8 and the second oilhole 9 are used for the disengaging of hydraulic oil.When the first oilhole 8 is into hydraulic oil, the second oilhole 9 goes out hydraulic oil, institute
Piston 5 is stated to move right；After piston 5 completes stroke, when the first oilhole 8 goes out hydraulic oil, the second oilhole 9 is described into hydraulic oil
Piston 5 moves downward, and piston 5 equally completes stroke, recycles repeatedly.
As shown in Fig. 2, the periphery of the piston 5 is equipped with piston packing 10, the piston packing 10 is located at piston 5
Between the inner wall of cylinder barrel 1.Piston packing 10 is polyurethane sealing ring in the present embodiment, and primarily serving prevents the first oilhole 8
With the mutual spill and leakage of hydraulic oil in the second oilhole 9.
As shown in Fig. 2, 4 inside of the guide sleeve is sequentially installed with guide sleeve support ring 11, dust-proof seal ring from right to left
12, piston rod seals 13 and with guide sleeve inner seal ring 14, the guide sleeve inner seal ring 14 be two.
The guide sleeve support ring 11, main function are support piston rods 2, prevent 2 stress of piston rod from coming to bar band
Pressure-bearing it is uneven caused by sealing effect difference and the effects that short service life；The dust-proof seal ring 12, primarily serving prevents
External dust, rainwater enter inside sealing mechanism, influence the viscosity of hydraulic oil and scratch the effect of inner seal sealing lip；Institute
Stating piston rod seals 13 and primarily serving prevents hydraulic oil from leaking to other chambers, just can guarantee the sealing performance of oil cylinder；It is described
Guide sleeve inner seal ring 14 primarily serves the effect for preventing hydraulic oil from revealing.
As shown in Fig. 2, being equipped with guide sleeve exterior seal ring 15 between the outside of the guide sleeve 4 and the cylinder barrel 1.It is described to lead
The effect for preventing hydraulic oil from overflowing also is primarily served to set exterior seal ring 15.
As shown in Figure 1 and Figure 2,1 a diameter of 110mm~140mm of cylinder tube, 2 a diameter of 42mm~55mm of piston rod, work
The impulse stroke of plug 5 is 435mm~465mm, and operating pressure is 12Mpa~17MPa, and test pressure is 25Mpa~30Mpa.
As shown in Figure 1 and Figure 2, the impulse stroke of 1 a diameter of 125mm of cylinder tube, 2 a diameter of 50mm of piston rod, piston 5
For 450mm, operating pressure 14MPa, test pressure 28Mpa.
As shown in Fig. 2, the guide sleeve 4 is fixedly connected by screw 16 with the cylinder sleeve 7, the both conducts of the guide sleeve 4
Cylinder cap plays the guiding role of piston rod 2 again.
In the present embodiment, cylinder barrel 1, piston rod 2, guide sleeve 4, earrings, cylinder bottom 3 are all made of 45# steel materials.There are two ears for band
The tamping car track lifting oil cylinder of ring, cylinder barrel 1, cylinder bottom 3 and cylinder cap（Guide sleeve 4）A seal chamber is constituted, to close hydraulic oil.When
Hydraulic oil enters hydraulic cylinder from the second oilhole of right end 9, and power is acted on 5 right side of piston, pushes piston 5 and piston rod
2 are moved to the left, and form pulling force；If being passed through pressure oil from the first oilhole of left end 8, piston 5 moves right, and piston rod 5 stretches out, shape
At thrust.Earrings is mounted on the fixed position of machinery, earrings is connected with mechanism loading, and piston rod 2 extends and retracts
Load can be pushed or pull on to move reciprocatingly, and hydraulic energy is become into mechanical energy.The right end of piston rod 2 passes through pivoting support 21
It is connect with the first earrings 6, the first earrings 6 can be rotated relative to piston rod 2, meet different operating needs；The left end of cylinder bottom 3 welds
It is being connected with the second earrings 61, can play the role of correction during piston rod 2 and piston 5 match resultant motion, enhance oil cylinder
The stability of work.
The embodiment described by reference to attached drawing is exemplary, it is intended to for explaining the application, and should not be understood as pair
The limitation of the application.In the description of the present application, it is to be understood that term " left end ", " right end ", "left", "right", etc. instructions
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the application and simplification retouch
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it should not be understood as the limitation to the application.
Above descriptions are merely preferred embodiments of the utility model, it is every according to the technical solution of the utility model to
On embodiment made by any subtle modifications, equivalent variations and modifications, belong to the range of technical solutions of the utility model
It is interior.
Claims (9)
1. a kind of tamping car track lifting oil cylinder, it is characterised in that：Including cylinder barrel（1）, piston rod（2）, cylinder bottom（3）, guide sleeve（4）、
Piston（5）, the first earrings（6）, the second earrings（61）And cylinder sleeve（7）；The piston rod（2）It is installed on the cylinder barrel（1）It is interior
Portion, piston rod（2）Left end connect piston（5）, right end passes through pivoting support（21）It is connected with the first earrings（6）；The cylinder bottom
（3）Right end connect the cylinder barrel（1）Left end, the other end is connected with the second earrings（61）；The guide sleeve（4）It is sleeved on institute
State piston rod（2）The periphery on right side, the guide sleeve（4）Positioned at the cylinder barrel（1）With piston rod（2）Between；The piston（5）
Left end buffering spacer is installed（51）, the buffering spacer（51）Periphery be equipped with O-ring seal（52）；The cylinder sleeve（7）
It is fixedly installed in the cylinder barrel（1）Right end；The cylinder sleeve（7）Right end and the guide sleeve（4）Connection.
2. tamping car track lifting oil cylinder according to claim 1, it is characterised in that：The cylinder barrel（1）Left and right ends successively
Equipped with the first oilhole（8）With the second oilhole（9）, first oilhole（8）With the second oilhole（9）Disengaging for hydraulic oil.
3. tamping car track lifting oil cylinder according to claim 1, it is characterised in that：The piston（5）Periphery work is installed
Plug sealing ring（10）, the piston packing（10）Positioned at piston（5）With cylinder barrel（1）Inner wall between.
4. tamping car track lifting oil cylinder according to claim 1, it is characterised in that：The guide sleeve（4）Inside is from right to left
It is sequentially installed with guide sleeve support ring（11）, dust-proof seal ring（12）, piston rod seals（13）With guide sleeve inner seal ring
（14）, the guide sleeve inner seal ring（14）It is two.
5. tamping car track lifting oil cylinder according to claim 1, it is characterised in that：The guide sleeve（4）Outside with it is described
Cylinder barrel（1）Between be equipped with guide sleeve exterior seal ring（15）.
6. tamping car track lifting oil cylinder according to claim 1, it is characterised in that：Cylinder tube（1）A diameter of 110mm~
140mm, piston rod（2）A diameter of 42mm~55mm, piston（5）Impulse stroke be 435mm~465mm, operating pressure is
12Mpa~17MPa, test pressure are 25Mpa~30Mpa.
7. tamping car track lifting oil cylinder according to claim 1, it is characterised in that：Cylinder tube（1）A diameter of 125mm, work
Stopper rod（2）A diameter of 50mm, piston（5）Impulse stroke be 450mm, operating pressure 14MPa, test pressure 28Mpa.
8. the tamping car track lifting oil cylinder according to claim 1 to 7 any one, it is characterised in that：The guide sleeve（4）It is logical
Cross screw（16）With the cylinder sleeve（7）It is fixedly connected.
9. the tamping car track lifting oil cylinder according to claim 1 to 7 any one, it is characterised in that：The cylinder bottom（3）The right side
End is welded on the cylinder barrel（1）Left end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237559.XU CN207921021U (en) | 2018-02-10 | 2018-02-10 | A kind of tamping car track lifting oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237559.XU CN207921021U (en) | 2018-02-10 | 2018-02-10 | A kind of tamping car track lifting oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207921021U true CN207921021U (en) | 2018-09-28 |
Family
ID=63600273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820237559.XU Expired - Fee Related CN207921021U (en) | 2018-02-10 | 2018-02-10 | A kind of tamping car track lifting oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207921021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159611A (en) * | 2019-06-24 | 2019-08-23 | 杭州先力液压机械有限公司 | Smash furnace vehicle cylinder structure |
-
2018
- 2018-02-10 CN CN201820237559.XU patent/CN207921021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159611A (en) * | 2019-06-24 | 2019-08-23 | 杭州先力液压机械有限公司 | Smash furnace vehicle cylinder structure |
| CN110159611B (en) * | 2019-06-24 | 2023-12-19 | 浙江匠心液压科技有限公司 | Oil cylinder structure of furnace tamping car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20220210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |