CN111706572B - Hydraulic tamping device - Google Patents
Hydraulic tamping device Download PDFInfo
- Publication number
- CN111706572B CN111706572B CN202010598397.4A CN202010598397A CN111706572B CN 111706572 B CN111706572 B CN 111706572B CN 202010598397 A CN202010598397 A CN 202010598397A CN 111706572 B CN111706572 B CN 111706572B
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- China
- Prior art keywords
- cylinder
- pneumatic cylinder
- tamping
- hydraulic
- support
- 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.)
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- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
- E01B27/13—Packing sleepers, with or without concurrent work on the track
- E01B27/16—Sleeper-tamping machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a hydraulic tamping device, comprising: the support and two symmetries articulate the centre gripping driver in the support both sides, and the centre gripping driver includes first pneumatic cylinder, second pneumatic cylinder and tamping pick, and the cylinder end of first pneumatic cylinder articulates on the support, and the cylinder rod end of first pneumatic cylinder is connected with the cylinder end of second pneumatic cylinder, and the cylinder rod end of second pneumatic cylinder is articulated with the upper end of tamping pick, and the middle part and the support of tamping pick are articulated, and the lower extreme of tamping pick is used for tamping ballast. Wherein vibrating motion and centre gripping motion are produced by first pneumatic cylinder and second pneumatic cylinder respectively, consequently can improve the life of first pneumatic cylinder and second pneumatic cylinder, and then improve whole hydraulic pressure tamping unit's life.
Description
Technical Field
The invention relates to the technical field of tamping machines, in particular to a hydraulic tamping device.
Background
A tamping device is an apparatus for a track bed tamping vehicle, on the frame of which a pair of tamping tools designed as rocker levers is arranged. In the process of tamping a track, the tamping tool vertically inserts ballast, clamps and moves and vibrates at high frequency in the motion process of a tamping pick at the lower part.
The clamping movement of the known tamping devices is usually carried out by hydraulic cylinders, while the high-frequency vibrations are generated by different methods. For example with a vibrating shaft having an eccentricity; generated by a hydraulic cylinder of the clamping movement; the hydraulic cylinder is used for generating vibration and is mechanically connected with the hydraulic cylinder for implementing clamping movement, and the vibration generated in a hydraulic mode is transmitted to the tamping pick.
However, since the vibration shaft having an eccentricity generates vibration, it is necessary to periodically maintain expensive rotating members such as rolling bearings; the vibration and the clamping movement are generated by the same cylinder, so that the strength and the service life of the hydraulic cylinder are greatly tested; the mode of direct mechanical connection of the cylinder barrels of the two hydraulic cylinders is adopted, so that the maintenance is inconvenient, and the structural strength can be obviously weakened by mutually connecting the piston rods.
Therefore, how to provide a hydraulic tamping device to prolong the service life thereof is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention is directed to a hydraulic tamping device, which can improve the service life thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
a hydraulic tamping device, comprising: support and two symmetries articulate the centre gripping driver of support both sides, the centre gripping driver includes first pneumatic cylinder, second pneumatic cylinder and tamping pick, the cylinder end of first pneumatic cylinder is articulated on the support, the cylinder rod end of first pneumatic cylinder with the cylinder end of second pneumatic cylinder is connected, the cylinder rod end of second pneumatic cylinder with the upper end of tamping pick is articulated, the middle part of tamping pick with the support is articulated, the lower extreme of tamping pick is used for tamping the railway ballast.
Preferably, the cylinder rod end of the first hydraulic cylinder is detachably connected with the cylinder tube end of the second hydraulic cylinder.
Preferably, a cylinder rod end of the first hydraulic cylinder is in threaded connection with a cylinder tube end of the second hydraulic cylinder.
Preferably, the cylinder rod end of the first hydraulic cylinder is connected with the cylinder tube end of the second hydraulic cylinder through a flange.
Preferably, the oil passages of the first hydraulic cylinder and the second hydraulic cylinder are independent of each other.
Preferably, the first hydraulic cylinder is used for applying vibration to the railway ballast, and the second hydraulic cylinder is used for clamping the railway ballast; or the second hydraulic cylinder is used for applying vibration, and the first hydraulic cylinder is used for clamping the railway ballast.
Preferably, the support is of an inverted T-shaped structure, the cylinder end of the first hydraulic cylinder is hinged to the upper portion of the support, and the middle of the tamping pick is hinged to the extending end of the bottom of the support.
Preferably, the tamping pick is bent at an obtuse angle.
Compared with the prior art, the technical scheme has the following advantages:
the invention provides a hydraulic tamping device, which comprises: support and two symmetries articulate the centre gripping driver in the support both sides, and the centre gripping driver includes first pneumatic cylinder, second pneumatic cylinder and tamping pick, and the cylinder end of first pneumatic cylinder articulates on the support, and the cylinder rod end of first pneumatic cylinder is connected with the cylinder end of second pneumatic cylinder, and the cylinder rod end of second pneumatic cylinder is articulated with the upper end of tamping pick, and the middle part and the support of tamping pick are articulated, and the lower extreme of tamping pick is used for tamping the railway ballast. Wherein vibrating motion and centre gripping motion are produced by first pneumatic cylinder and second pneumatic cylinder respectively, consequently can improve the life of first pneumatic cylinder and second pneumatic cylinder, and then improve the life of whole hydraulic pressure tamping unit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hydraulic tamping apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a clamping driver of a hydraulic tamping device according to an embodiment of the present invention.
The reference numbers are as follows:
1 is the centre gripping driver, 2 is first pneumatic cylinder, 3 is the second pneumatic cylinder, 4 is first driving system, 5 is the second driving system, 6 is the tamping pick, 7 is the rodless chamber, 8 is the pole chamber, 9 is the cylinder rod end of first pneumatic cylinder, 10 is the cylinder end of second pneumatic cylinder, 11 is the cylinder rod end of second pneumatic cylinder, 12 is the railway ballast, 13 is the support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a hydraulic tamping device according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a clamping driver of a hydraulic tamping device according to an embodiment of the present invention.
The embodiment of the invention provides a hydraulic tamping device, which comprises: support 13 and two symmetries articulate at the centre gripping driver 1 of support 13 both sides, centre gripping driver 1 includes first pneumatic cylinder 2, second pneumatic cylinder 3 and tamping pick 6, the cylinder end of first pneumatic cylinder 2 articulates on support 13, the cylinder end 9 of first pneumatic cylinder is connected with the cylinder end 10 of second pneumatic cylinder, the cylinder end 11 of second pneumatic cylinder is articulated with the upper end of tamping pick 6, the middle part of tamping pick 6 is articulated with support 13, the lower extreme of tamping pick 6 is used for tamping ballast 12. Wherein preferably first pneumatic cylinder 2 exerts the vibration to railway ballast 12, second pneumatic cylinder 3 is used for centre gripping railway ballast 12, vibration direction S receives the bigger forward resistance of railway ballast 12, first pneumatic cylinder 2 adopts the bigger rodless chamber 7 of area to do work, and during reverse motion, the railway ballast 12 resistance that receives is less, it has the pole chamber 8 to do work to adopt the area less, consequently, the structural dimension of the first pneumatic cylinder 2 that produces the vibration can be designed littleer, and then be convenient for transport and reduce the space and occupy. In addition, the first hydraulic cylinder 2 can clamp the railway ballast 12, and the second hydraulic cylinder 3 can apply vibration to the railway ballast 12, so that the vibration can be directly transmitted to the tamping pick 6, fewer components are subjected to the transmission process, and the amplitude and frequency attenuation are smaller. Wherein vibrating motion and centre gripping motion are produced by first pneumatic cylinder 2 and second pneumatic cylinder 3 respectively, consequently can improve the life of first pneumatic cylinder 2 and second pneumatic cylinder 3, and then improve the life of whole hydraulic pressure tamping unit.
Further, the rod end 9 of the first hydraulic cylinder is detachably connected with the cylinder end 10 of the second hydraulic cylinder. Through carrying out the connection of dismantling first pneumatic cylinder 2 and second pneumatic cylinder 3, be convenient for dismouting and maintenance. Specifically, the rod end 9 of the first hydraulic cylinder is in threaded connection with the cylinder end 10 of the second hydraulic cylinder. Furthermore, the rod end 9 of the first hydraulic cylinder and the cylinder end 10 of the second hydraulic cylinder may also be flanged.
Specifically, the oil passages of the first hydraulic cylinder 2 and the second hydraulic cylinder 3 are independent of each other. First pneumatic cylinder 2 is by first driving system 4 energy supply promptly, and second pneumatic cylinder 3 is by second driving system 5 energy supply to make 6 vibration actions of tamping pick and clamping action mutually independent, in order to satisfy the different demands of tamping device during operation, for example can let centre gripping and vibration go on simultaneously, also can only carry out the clamping action, or only carry out the vibration action when 12 centre gripping of railway ballast have put in place.
In particular, the support 13 is preferably of an inverted T-shaped structure, i.e. the vertical part of the support 13 is located at the upper part, the two extending ends of the horizontal part are located at the lower part, the cylinder end of the first hydraulic cylinder 2 is hinged at the upper part of the support 13, and the middle part of the tamping pick 6 is hinged at the extending end of the bottom of the support 13. Wherein when the length of first pneumatic cylinder 2 and second pneumatic cylinder 3 is longer than the extension end of support 13 bottoms, the tamping pick 6 of tamping pick 6 for becoming obtuse angle bending.
In conclusion, when ballast 12 below a track needs to be tamped, the second power system 5 controls the hydraulic cylinder to perform linear clamping movement, the tamping pick 6 is converted into movement in the direction S, and the vertical movement of the support 13 is matched, so that the tamping pick 6 can be clamped to a required position to clamp the ballast 12 to be tamped; the vibration frequency and the vibration amplitude required by tamping are obtained by adjusting a servo valve or other control valve groups of the first power system 4 of the first hydraulic cylinder 2, and the vibration is applied to the ballast 12.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The hydraulic tamping device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. A hydraulic tamping device, comprising: the support and two symmetrical centre gripping drivers who articulates the support both sides, centre gripping driver includes first pneumatic cylinder, second pneumatic cylinder and tamping pick, the cylinder end of first pneumatic cylinder articulates on the support, the cylinder rod end of first pneumatic cylinder with the cylinder end of second pneumatic cylinder is connected, the cylinder rod end of second pneumatic cylinder with the upper end of tamping pick is articulated, the middle part of tamping pick with the support is articulated, the lower extreme of tamping pick is used for tamping the railway ballast, first pneumatic cylinder is used for applying vibration to the railway ballast, the second pneumatic cylinder is used for centre gripping railway ballast, vibration direction S receives the bigger forward resistance of railway ballast, first pneumatic cylinder adopts the rodless chamber that the area is bigger to do work, and during reverse motion, the railway ballast resistance that receives is less, adopts the pole chamber that the area is less to do work, the structural dimension of the first pneumatic cylinder that produces the vibration can be designed littleer, convenient transportation and reduced space occupation.
2. The hydraulic tamping apparatus of claim 1, wherein the rod end of the first hydraulic cylinder is removably connected to the cylinder end of the second hydraulic cylinder.
3. The hydraulic tamping apparatus of claim 2, wherein the rod end of the first hydraulic cylinder is threadably connected to the cylinder end of the second hydraulic cylinder.
4. The hydraulic tamping apparatus of claim 2, wherein the rod end of the first hydraulic cylinder is flanged to the cylinder end of the second hydraulic cylinder.
5. The hydraulic tamping apparatus of claim 4, wherein the oil passages of said first and second hydraulic cylinders are independent of each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010598397.4A CN111706572B (en) | 2020-06-28 | 2020-06-28 | Hydraulic tamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010598397.4A CN111706572B (en) | 2020-06-28 | 2020-06-28 | Hydraulic tamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111706572A CN111706572A (en) | 2020-09-25 |
| CN111706572B true CN111706572B (en) | 2022-07-08 |
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ID=72543217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010598397.4A Active CN111706572B (en) | 2020-06-28 | 2020-06-28 | Hydraulic tamping device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111706572B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725094B (en) * | 2010-01-29 | 2011-11-30 | 浙江大学 | Tamping device adopting hydraulic direct shock excitation |
| CN201942234U (en) * | 2010-12-16 | 2011-08-24 | 王庆琏 | Garbage compressor driven by low-voltage hydraulic system |
| AT513973B1 (en) * | 2013-02-22 | 2014-09-15 | System7 Railsupport Gmbh | Tamping unit for a tamping machine |
| CN204703015U (en) * | 2015-05-21 | 2015-10-14 | 昆明理工大学 | The railway tamping tool that a kind of vibration parameters is adjustable |
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2020
- 2020-06-28 CN CN202010598397.4A patent/CN111706572B/en active Active
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| Publication number | Publication date |
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| CN111706572A (en) | 2020-09-25 |
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