CN112112008A - Maintenance working device frame with movable fulcrum transverse moving mechanism and operation method - Google Patents
Maintenance working device frame with movable fulcrum transverse moving mechanism and operation method Download PDFInfo
- Publication number
- CN112112008A CN112112008A CN201910543016.XA CN201910543016A CN112112008A CN 112112008 A CN112112008 A CN 112112008A CN 201910543016 A CN201910543016 A CN 201910543016A CN 112112008 A CN112112008 A CN 112112008A
- Authority
- CN
- China
- Prior art keywords
- fulcrum
- rotating
- traversing
- transverse moving
- operation unit
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- E01B27/20—Compacting the material of the track-carrying ballastway, e.g. by vibrating the track, by surface vibrators
-
- 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
- E01B27/17—Sleeper-tamping machines combined with means for lifting, levelling or slewing the track
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Manipulator (AREA)
- Transmission Devices (AREA)
- Harvester Elements (AREA)
Abstract
A maintenance working device frame with a movable fulcrum transverse moving mechanism and an operation method thereof are provided, wherein the working device frame comprises a rotating device (1) and a transverse moving device (2); the traversing device (2) comprises a first traversing beam (21), a second traversing beam (22) and a movable fulcrum (23), one end of the second traversing beam (22) is connected with the first traversing beam (21), and the other end of the second traversing beam is connected with a rotating containing cavity (32) arranged on the outer side of the first traversing beam (21) through the movable fulcrum (23). The operation method comprises the step S1 that the traversing device drives the operation unit mounting rack to move to realize the traversing action; step S2, the rotating device drives the operation unit mounting rack to move to realize the rotating action; steps S1, S2 are sequentially performed, or only one of step S1 or step S2 is performed. The working device frame can meet the requirements of different positions of the working unit for working, can perform rotary transverse movement, and is compact in structure.
Description
Technical Field
The invention relates to a railway maintenance working device frame with a movable fulcrum transverse moving mechanism, and belongs to the technical field of railway maintenance mechanical design and manufacturing.
Background
When the road maintenance machine meets the turnout, curve and other sections during railway construction or maintenance, operation units for a track bed, a steel rail, a sleeper and a fastener are required to move, such as tamping operation, steel rail maintenance operation, sleeper replacement operation, fastener installation and maintenance operation and the like. These movements may include rotational and traversing movements, and the work units are typically mounted on a frame that is capable of rotational and traversing movements to effect movement of the work units. The existing rotary traverse frame has the defects of too large structure or small moving range, so that the rotary traverse frame with compact structure and large moving range needs to be developed.
For example, chinese patent publication No. CN105658872A discloses a tamping machine having a rotatably mounted working frame, which provides a tamping machine. The tamping machine has a machine frame and an assembly frame which is arranged between and movable on the rails via the running gear and which is connected with the machine frame for longitudinal movement via a frame support. Between the running gear and the frame support, a vertically adjustable tamping unit and a rail lifting unit are provided. The frame support is connected to the machine frame for pivoting about a support shaft extending in the longitudinal direction of the machine. But still has the disadvantages of bulky frame structure and small moving range.
Disclosure of Invention
The invention provides a railway maintenance working device frame with a movable fulcrum transverse moving mechanism, which meets the requirements of different positions of a working unit for working, can perform rotary transverse moving action, has compact structure, flexible operation and large movable range, and solves the problems of the existing railway maintenance working device frame that the structure is not compact, the movable range is small and the like.
A maintenance working device frame with a movable fulcrum traversing mechanism comprises a rotating device and a traversing device; the traversing device adopts a movable fulcrum structure and comprises a first traversing beam, a second traversing beam and a movable fulcrum, one end of the second traversing beam is connected with the first traversing beam, and the other end of the second traversing beam is connected with a rotating cavity arranged on the outer side of the first traversing beam through the movable fulcrum.
The frame of the maintenance working device further comprises a frame accommodating cavity and an operation unit mounting frame.
The frame holds the chamber and includes fixed appearance chamber, rotatory appearance chamber, and fixed appearance chamber fixed connection is in road maintaining machinery frame, and rotatory appearance chamber arranges in fixed appearance intracavity portion, can move for fixed appearance chamber.
The rotating device comprises a fixed beam, a rotating shaft and a rotating driving device. The fixed beam is connected with the road maintenance machine frame. The fixed beam and the rotating beam are connected through a rotating shaft. The position of the rotation axis is preferably arranged in the middle of the fixed beam and the rotation beam. One end of the rotary driving device is connected with the fixed cavity, and the other end of the rotary driving device is connected with the rotary beam. The rotating beam rotates about the rotating shaft with respect to the fixed beam by the rotation driving device. And meanwhile, the rotating beam is also connected with the rotating cavity, so that the rotating motion of the rotating beam is transmitted to the rotating cavity.
More preferably, the traversing device comprises a first traversing beam, a second traversing beam, a movable fulcrum, an end plate, a fulcrum guide column, a traversing driving device and a fulcrum driving mechanism; the first traverse beam is arranged in the rotating cavity, and the rotating motion of the rotating cavity can directly drive the first traverse beam to rotate. And one end of the transverse moving driving device is connected to the outside of the rotating cavity, and the other end of the transverse moving driving device is connected to the end part of the first transverse moving beam.
One end of the second traverse beam is connected to the end of the first traverse beam through the end plate. The movable fulcrum is arranged at the other end of the second transverse moving beam, and meanwhile, the movable fulcrum is nested in the fulcrum guide post and can move along the fulcrum guide post. The fulcrum guide post is arranged outside the rotating cavity. The structure enables the fulcrum of the second traverse beam to change along with the change of the traverse position, and further enables the traverse range to be wider.
More preferably, one end of the fulcrum driving mechanism is connected to the outside of the rotating cavity, and the other end of the fulcrum driving mechanism is connected to the movable fulcrum, so that when the fulcrum driving mechanism acts, the movable fulcrum moves along the fulcrum guide pillar, and the active adjustment of the position of the movable fulcrum is realized.
The operation unit mounting frame is installed in the second sideslip roof beam, and this operation unit mounting frame includes operation unit sideslip guide pin bushing, operation unit sideslip actuating mechanism, and operation unit sideslip actuating mechanism one end is connected in rotatory appearance outside the chamber, and the operation unit sideslip actuating mechanism other end is connected in operation unit sideslip guide pin bushing, and under operation unit sideslip actuating mechanism's effect, operation unit mounting frame is along second sideslip roof beam lateral shifting.
The operation unit mounting frame is not limited to a frame form, can be changed according to the structural characteristics of the mounted operation unit, and can be simplified into a mounting lifting point or a mounting plate.
A second aspect of the present invention provides a method for maintenance work, including:
and step S1, the transverse moving device drives the operation unit mounting rack to move so as to realize transverse moving.
Preferably, the traversing device comprises a first traversing beam, a second traversing beam and a movable fulcrum, wherein one end of the second traversing beam is connected with the first traversing beam, and the other end of the second traversing beam is connected with a rotating cavity arranged outside the first traversing beam through the movable fulcrum;
preferably, in step S1, the traverse driving device stretches and retracts to drive the first traverse beam and the second traverse beam which are arranged in parallel to the first traverse beam and the second traverse beam to move, so as to generate a lateral displacement, and drive the operation unit mounting rack arranged below the traverse device to move, thereby completing the lateral movement of the operation unit mounting rack;
preferably, during the transverse movement, the fulcrum driving mechanism acts, the movable fulcrum moves along the fulcrum guide post, and the position of the movable fulcrum is adjusted.
And step S2, the rotating device drives the operation unit mounting rack to move so as to realize the rotating action.
Preferably, the rotation driving device is used for driving the rotation beam to rotate based on the fixed containing cavity 31, and the rotation beam drives the rotation containing cavity 32 connected with the rotation beam to rotate, so as to drive the traversing device to rotate, and further drive the operation unit mounting frame connected with the rotation containing cavity 32 to rotate, so that the transmission of rotation action is realized;
preferably, in step S2, the middle of the rotation cavity 32 is connected to the rotation beam, and two ends of the rotation cavity 32 are respectively overlapped with the fixed cavity 31;
the steps S1, S2 are sequentially performed, or only one of the steps S1 or S2 is performed, or the steps S2, S1 are sequentially performed, to complete the traverse and/or rotation of the working unit mount.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a railway maintenance work device frame including a movable fulcrum traversing mechanism according to the present invention;
FIG. 2 is a front view of the embodiment of FIG. 1;
FIG. 3 is a top view of the railway maintenance work device frame of the embodiment shown in FIG. 1;
FIG. 4 is a side view of the railway maintenance work device frame embodying the location of the pivot post mounting in the embodiment of FIG. 1;
FIG. 5 is a schematic side view of the traversing apparatus of the embodiment of FIG. 1;
FIG. 6 is a block diagram of the movable pivot point of the embodiment of FIG. 1;
FIG. 7 is a schematic view of the railway maintenance work device frame of the embodiment of FIG. 1 after installation of a tamping work unit;
the meaning of the respective reference numerals in fig. 1 to 7 is:
1 rotating device 11 fixed beam 12 rotating beam 13 rotating shaft 14 rotating driving device
2 traversing device 21, first traversing beam 22, second traversing beam 23 and movable fulcrum 24 end plate
Fixing cavity of frame cavity 31 of 25 fulcrum guide post 26 transverse movement driving device 27 fulcrum driving mechanism 3
32 rotating chamber 4 operation unit mounting frame 41 operation unit transverse guide sleeve 42 operation unit transverse driving mechanism.
Detailed Description
Embodiment 1.1 as shown in fig. 1 to 4, the embodiment provides a railway maintenance working device frame with a movable fulcrum traversing mechanism, which comprises a rotating device 1, a traversing device 2, a frame accommodating cavity 3 and an operation unit mounting frame 4; the rotating device 1 is arranged above the transverse moving device 2, the transverse moving device 2 is nested in the frame accommodating cavity 3, and the operation unit mounting frame 4 is arranged below the transverse moving device 2; the frame cavity 3 includes a fixed cavity 31 and a rotating cavity 32, the fixed cavity 31 is fixedly connected to the frame of the road maintenance machine, and the rotating cavity 32 is disposed inside the fixed cavity 31 and can move relative to the fixed cavity 31.
In this embodiment, the number of the fixed cavities 31 is four, and each two fixed cavities 31 are symmetrically arranged about a horizontal central axis or a longitudinal central axis of the working device frame; the two fixed chambers 31 at the diagonal are connected to the rotary beam 12 by the rotary driving device 14.
The rotating device 1 comprises a fixed beam 11, a rotating beam 12, a rotating shaft 13 and a rotating driving device 14; the fixed beam 11 is connected to the road maintenance machine frame. The fixed beam 11 and the rotating beam 12 are connected by a rotating shaft 13. The position of the rotation axis 13 is preferably arranged in the middle of the fixed beam 11 and the rotation beam 12.
The rotation driving means 14 has one end connected to the fixed chamber 31 and the other end connected to the rotation beam 12. The rotary beam 12 is rotated about the rotary shaft 13 with respect to the fixed beam 11 by the rotation driving device 14. At the same time the rotary beam 12 is also connected to the rotary volume 32, so that the rotary movement of the rotary beam 12 is transferred to the rotary volume 32.
The traverse device 2 includes a first traverse beam 21, a second traverse beam 22, a movable fulcrum 23, an end plate 24, a fulcrum guide post 25, a traverse driving device 26, and a fulcrum driving mechanism 27.
The first traverse beam 21 is installed inside the rotating chamber 32, and the rotating chamber 32 can directly drive the first traverse beam 21 to rotate. One end of the traverse driving device 26 is connected to the outside of the rotating cavity 32, and the other end is connected to the end part of the first traverse beam 21, when the traverse driving device 26 acts, the first traverse beam 21 generates traverse motion relative to the rotating cavity 32, so that the rotating traverse motion of the first traverse beam 21 relative to the road maintenance machine frame is realized.
One end of the second traverse beam 22 is connected to the end of the first traverse beam 21 via an end plate 24. The other end of the second traverse beam 22 is provided with a movable fulcrum 23, and the movable fulcrum 23 is nested in the fulcrum guide post 25 and can move along the fulcrum guide post 25. The fulcrum guide post 25 is mounted outside the rotation receiving chamber 32. This structure allows the fulcrum of the second traverse beam 22 to be changed with the change of the traverse position, thereby making the traverse range wider.
Preferably, a fulcrum driving mechanism 27 is installed, one end of the fulcrum driving mechanism is connected to the outside of the rotation containing cavity 32, the other end of the fulcrum driving mechanism is connected to the movable fulcrum 23, and when the fulcrum driving mechanism 27 acts, the movable fulcrum 23 moves along the fulcrum guide post 25, so that the active adjustment of the position of the movable fulcrum 23 is realized.
The operation unit mounting frame 4 is mounted on the second traverse beam 22, the operation unit mounting frame 4 comprises an operation unit traverse guide sleeve 41 and an operation unit traverse driving mechanism 42, one end of the operation unit traverse driving mechanism 42 is connected to the outside of the rotating containing cavity 32, the other end of the operation unit traverse driving mechanism is connected to the operation unit mounting frame 4, and the operation unit mounting frame 4 can transversely move along the second traverse beam 22 under the action of the operation unit traverse driving mechanism 42. The mounting fulcrum driving mechanism 27 is connected between the outside of the rotation accommodating chamber 32 and the movable fulcrum 23, so that the movable fulcrum 23 moves along the fulcrum guide post 25, and active adjustment of the position of the movable fulcrum 23 is realized.
Fig. 6 shows a structure diagram of a preferred embodiment of the movable fulcrum 23, the movable fulcrum 23 includes two guide groove structures, in this embodiment, the first guide groove is a circular through hole in the center of a rectangular block, the outer side of the rectangular block is connected with the edge of the second guide groove through two arc plates, the second guide groove is formed by connecting two semicircular arch structures into a whole, and a circular through hole is formed in the center of the semicircular arch; and the two semicircular arches are connected with the rectangular block of the first guide groove through the two arc plates. The axes of the circular through holes of the first guide groove and the second guide groove are parallel; the first guide groove is positioned below the second guide groove.
The first guide groove is provided with a second traverse beam 22, and the second guide groove is provided with a fulcrum guide post 25.
Figure 7 shows a block diagram of a railway maintenance work apparatus frame with the work units being tamping units, one tamping unit being mounted on each work unit mounting bracket. The structure is suitable for tamping operation in turnout zones, and can also be used for tamping operation on a track bed at a curved track of a steel rail.
The railway maintenance working device frame with the movable fulcrum transverse moving mechanism provided by the invention can meet the requirements of different positions of the working unit for working, can perform rotary transverse moving action, is compact in structure, flexible to operate and large in movable range, and solves the problems that the existing railway maintenance working device frame is not compact in structure, small in movable range and the like.
Claims (10)
1. A maintenance working device frame with a movable fulcrum transverse moving mechanism comprises a rotating device (1) and a transverse moving device (2); the method is characterized in that: the traversing device (2) comprises a first traversing beam (21), a second traversing beam (22) and a movable fulcrum (23), one end of the second traversing beam (22) is connected with the first traversing beam (21), and the other end of the second traversing beam is connected with a rotating containing cavity (32) arranged on the outer side of the first traversing beam (21) through the movable fulcrum (23).
2. A maintenance work device frame including a movable fulcrum traversing mechanism according to claim 1, wherein: maintenance equipment frame still includes that the frame holds chamber (3) and operation unit mounting bracket (4), and the frame holds chamber (3) including fixed appearance chamber (31), rotatory appearance chamber (32), and fixed appearance chamber (31) fixed connection is held in the way of raising machinery vehicle frame, and rotatory appearance chamber (32) arranges inside fixed appearance chamber (31), and rotatory appearance chamber (32) can move for fixed appearance chamber (31).
3. A maintenance work device frame including a movable fulcrum traversing mechanism according to claim 2, wherein: the rotating device (1) comprises a fixed beam (11), a rotating beam (12), a rotating shaft (13) and a rotating driving device (14); fixed beam (11) are connected in road maintaining machinery frame, and fixed beam (11) and rotatory roof beam (12) are connected through rotation axis (13), and rotation driving device (14) one end is connected in fixed appearance chamber (31), and the other end is connected in rotatory roof beam (12), and under rotation driving device (14) effect, rotatory roof beam (12) use rotation axis (13) as the center for fixed beam (11) rotation.
4. A maintenance work device frame including a movable fulcrum traversing mechanism according to claim 3, wherein: the rotary beam (12) is also connected to the rotary volume (32) so that the rotary movement of the rotary beam (12) is transmitted to the rotary volume (32).
5. A maintenance work device frame including a movable fulcrum traversing mechanism according to claim 1, wherein: the transverse moving device (2) also comprises an end plate (24), a fulcrum guide post (25), a transverse moving driving device (26) and a fulcrum driving mechanism (27); the first traverse beam (21) is arranged in the rotating cavity (32), and the rotating motion of the rotating cavity (32) drives the first traverse beam (21) to rotate; one end of the transverse moving driving device (26) is connected to the outside of the rotating containing cavity (32), the other end of the transverse moving driving device is connected to the end portion of the first transverse moving beam (21), and when the transverse moving driving device (26) acts, the first transverse moving beam (21) generates transverse moving motion relative to the rotating containing cavity (32), so that the rotating transverse moving motion of the first transverse moving beam (21) relative to the road maintenance machine frame is achieved.
6. A maintenance work device frame including a movable fulcrum traversing mechanism according to claim 5, wherein: one end of the second traverse beam (22) is connected to the end of the first traverse beam (21) through an end plate (24); the other end of the second traverse beam (22) is provided with a movable fulcrum (23), and the movable fulcrum (23) is nested in the fulcrum guide post (25) and can move along the fulcrum guide post (25).
7. A maintenance work device frame including a movable fulcrum traversing mechanism according to claim 5 or 6, wherein: the fulcrum guide post (25) is arranged outside the rotating containing cavity (32), and the structure enables the fulcrum of the second traverse beam (22) to change along with the change of the traverse position, so that the traverse range is wider.
8. A maintenance work device frame including a movable fulcrum traversing mechanism according to claim 5, wherein: one end of the fulcrum driving mechanism (27) is connected to the outside of the rotating cavity (32), the other end of the fulcrum driving mechanism is connected to the movable fulcrum (23), and when the fulcrum driving mechanism (27) acts, the movable fulcrum (23) moves along the fulcrum guide post (25), so that the active adjustment of the position of the movable fulcrum (23) is realized.
9. A maintenance work device frame including a movable fulcrum traversing mechanism according to claim 2, 3 or 4, wherein: operation unit mounting bracket (4) is installed in second sideslip roof beam (22), this operation unit mounting bracket (4) is including operation unit sideslip guide pin bushing (41), operation unit sideslip actuating mechanism (42) one end is connected in rotatory appearance chamber (32) outside, operation unit sideslip actuating mechanism (42) other end is connected in operation unit sideslip guide pin bushing (41), under the effect of operation unit sideslip actuating mechanism (42), operation unit mounting bracket (4) are along second sideslip roof beam (22) lateral shifting.
10. A maintenance operation method is characterized by comprising the following steps:
step S1, the transverse moving device drives the operation unit mounting rack to move to realize transverse moving;
step S2, the rotating device drives the operation unit mounting rack to move to realize the rotating action;
the steps S1, S2 are sequentially executed, or only one of the steps S1 or S2 is executed, or the steps S2, S1 are sequentially executed, to complete the traverse and/or rotation of the working unit mount (4).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543016.XA CN112112008A (en) | 2019-06-21 | 2019-06-21 | Maintenance working device frame with movable fulcrum transverse moving mechanism and operation method |
| PCT/CN2020/071955 WO2020253235A1 (en) | 2019-06-21 | 2020-01-14 | Maintenance working device frame with movable fulcrum transverse moving mechanism and operation method |
| BR112021011842A BR112021011842A2 (en) | 2019-06-21 | 2020-01-14 | MAINTENANCE WORK DEVICE STRUCTURE CONTAINING A SIDE MOTION MECHANISM WITH A MOBILE FULCRUM AND MAINTENANCE OPERATION METHOD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543016.XA CN112112008A (en) | 2019-06-21 | 2019-06-21 | Maintenance working device frame with movable fulcrum transverse moving mechanism and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112112008A true CN112112008A (en) | 2020-12-22 |
Family
ID=73796385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910543016.XA Pending CN112112008A (en) | 2019-06-21 | 2019-06-21 | Maintenance working device frame with movable fulcrum transverse moving mechanism and operation method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN112112008A (en) |
| BR (1) | BR112021011842A2 (en) |
| WO (1) | WO2020253235A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565133A (en) * | 1983-05-09 | 1986-01-21 | Canron Corp. | Clamp arrangement for track lifting and aligning device |
| AT400337B (en) * | 1990-05-02 | 1995-12-27 | Plasser Bahnbaumasch Franz | TRACKING MACHINE WITH STAMPING UNITS ADJUSTABLE IN THE TRACK DIRECTION |
| CN202644329U (en) * | 2012-05-09 | 2013-01-02 | 昆明中铁大型养路机械集团有限公司 | Track tamping trolley |
| AT514990B1 (en) * | 2013-10-28 | 2015-08-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Tamping machine for submerging a track |
| AT516311B1 (en) * | 2014-10-06 | 2016-06-15 | System 7 - Railsupport GmbH | Track tamping machine for compacting the ballast bed of a track |
-
2019
- 2019-06-21 CN CN201910543016.XA patent/CN112112008A/en active Pending
-
2020
- 2020-01-14 WO PCT/CN2020/071955 patent/WO2020253235A1/en active Application Filing
- 2020-01-14 BR BR112021011842A patent/BR112021011842A2/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020253235A1 (en) | 2020-12-24 |
| BR112021011842A2 (en) | 2022-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2433986C (en) | A grinding machine | |
| JP6563011B2 (en) | Orbital tamping machine for compression of track, ballast track bed | |
| CN108930298A (en) | A kind of multiple degrees of freedom lateral incision formula knife plate | |
| US4445437A (en) | Railway track tamping machine | |
| CN1014619B (en) | Mobile machine of levelling, ling and tamping track switch | |
| CN1266341C (en) | Tamping tool unit for tamping ballast | |
| CN110029824A (en) | Walking mechanism is used in a kind of prefabricated joist steel construction of orbit movable | |
| KR101848091B1 (en) | Tamping machine | |
| CN210797129U (en) | Maintenance working device frame with movable fulcrum transverse moving mechanism | |
| CN112112008A (en) | Maintenance working device frame with movable fulcrum transverse moving mechanism and operation method | |
| JPS5932601B2 (en) | A track compaction machine that can also compact the track at turning points by making a part of the compaction tool swingable in the rail width direction. | |
| CN102644221B (en) | Track tamping wagon | |
| CN1016626B (en) | Travelling track tamping machine comprising transversely and vertically adjustable tamping units | |
| CN112112009A (en) | Tamping vehicle suitable for turnout operation and tamping operation method | |
| JPH0135961B2 (en) | ||
| RU1831399C (en) | Intermediate store | |
| CN112160196A (en) | Tamping device and tamping vehicle | |
| US4627358A (en) | Continuous action track leveling, lining and tamping machine | |
| CN210797131U (en) | Rotary transverse moving frame with rotary beam | |
| CN112112010A (en) | Rotary transverse moving frame with rotary beams and corresponding rotary transverse moving method | |
| JP4879303B2 (en) | Bridge girder delivery method | |
| CN210561722U (en) | Bridge inspection vehicle portal system suitable for variable-gradient walking | |
| CN210797128U (en) | Tamping car suitable for switch operation | |
| CN211471990U (en) | Railway maintenance working device frame | |
| CN219385823U (en) | Working frame of track maintenance vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |