CN219137274U - Double-sleeper tamping device for turnout - Google Patents
Double-sleeper tamping device for turnout Download PDFInfo
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- CN219137274U CN219137274U CN202320167038.2U CN202320167038U CN219137274U CN 219137274 U CN219137274 U CN 219137274U CN 202320167038 U CN202320167038 U CN 202320167038U CN 219137274 U CN219137274 U CN 219137274U
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- eccentric shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The application discloses two pillow tamping units of switch includes: the vibration excitation device comprises a box body, an upper vibration excitation device and a lower vibration excitation device, wherein a bearing mounting seat is arranged on one side of the box body, and an upper bearing mounting hole and a lower bearing mounting hole are formed in the bearing mounting seat and the side wall of the box body; the two ends of the upper eccentric shaft of the upper vibration excitation device are hinged to the upper bearing mounting holes through upper bearings, the two ends of the lower eccentric shaft of the lower vibration excitation device are hinged to the lower bearing mounting holes through lower bearings, an upper gear is arranged at one end of the upper eccentric shaft, which is positioned in the box body, and a lower gear is arranged at one end of the lower eccentric shaft, which is positioned in the box body, and the upper gear is meshed with the lower gear. Compared with the traditional single vibration excitation device, the load of the upper eccentric shaft, the lower eccentric shaft and the upper bearing and the lower bearing can be effectively reduced through the upper vibration excitation device and the lower vibration excitation device, and the service life of the upper eccentric shaft, the lower eccentric shaft and the upper bearing is prolonged.
Description
Technical Field
The application relates to the field of track maintenance, in particular to a railroad switch double-sleeper tamping device.
Background
The tamping operation is one of main operations of track maintenance, can effectively recover the geometric parameters of the line, improves the stability of the ballast bed and ensures the running safety of the train.
The current tamping devices are mostly eccentric rotary mechanical tamping devices, the working mode of the tamping device is single eccentric shaft excitation, and the tamping device of the structure is characterized in that clamping cylinders of at least two pick arms are hinged on the same vibration bearing, so that exciting force and clamping counter force of an inner cylinder and an outer cylinder are directly acted on the vibration bearing and the same eccentric shaft, and high requirements are put on bearing capacity of the bearing and the eccentric shaft. Because the tamping working condition is bad and the continuous working time is long, the tamping device is maintained very frequently, the bearing, the eccentric shaft and the clamping oil cylinder are difficult to replace and maintain due to the structure of the single eccentric shaft, and the working strength and the maintenance cost are improved.
Disclosure of Invention
The utility model aims at providing a two pillow tamping units of switch can effectively improve eccentric shaft and bearing's life.
In order to solve the technical problems, the application provides the following technical scheme:
a switch double sleeper tamping device comprising:
the box body is provided with an upper bearing mounting hole and a lower bearing mounting hole on the side wall;
the upper vibration excitation device is characterized in that an upper eccentric shaft of the upper vibration excitation device is arranged in the upper bearing mounting hole through an upper bearing, a lower eccentric shaft of the lower vibration excitation device is arranged in the lower bearing mounting hole through a lower bearing, the lower eccentric shaft is positioned below the upper eccentric shaft, and the upper eccentric shaft is connected with the lower eccentric shaft through a transmission device.
Preferably, the transmission device is a gear set, the gear set comprises an upper gear and a lower gear, the upper gear is arranged at one end of the upper eccentric shaft, which is positioned in the box body, the lower gear is arranged at one end of the lower eccentric shaft, which is positioned in the box body, and the upper gear is meshed with the lower gear.
Preferably, the tamping device further comprises:
the left outer opening and closing driving device, the left outer tamping arm and the left outer tamping pick are sequentially connected, and one end of the left outer opening and closing driving device, which is far away from the left outer tamping arm, is hinged with the upper eccentric shaft;
the left inner opening and closing driving device, the left inner tamping arm and the left inner tamping pick are sequentially connected, and one end of the left inner opening and closing driving device, which is far away from the left inner tamping arm, is hinged with the lower eccentric shaft;
the right outer opening and closing driving device, the right outer tamping arm and the right outer tamping pick are sequentially connected, and one end, far away from the right outer tamping arm, of the right outer opening and closing driving device is hinged with the upper eccentric shaft;
the right internal opening and closing driving device, the right internal tamping arm and the right internal tamping pick are sequentially connected, and one end, far away from the right internal tamping arm, of the right internal opening and closing driving device is hinged with the lower eccentric shaft.
Preferably, a left hinge support and a right hinge support are arranged on two sides of the bottom of the box body, the left hinge support comprises a left outer hinge hole and a left inner hinge hole, the left outer tamping arm is hinged with the left outer hinge hole, and the left inner tamping arm is hinged with the left inner hinge hole; the right hinge support comprises a right outer hinge hole and a right inner hinge hole, the right outer tamping arm is hinged with the right outer hinge hole, and the right inner tamping arm is hinged with the right inner hinge hole.
Preferably, a bearing mounting seat is arranged outside one side of the box body, two ends of the upper eccentric shaft are mounted in the bearing mounting seat and an upper bearing hole of the box body, and two ends of the lower eccentric shaft are mounted in the bearing mounting seat and a lower bearing hole of the box body.
Preferably, the bearing mounting seat comprises an upper mounting seat, a middle mounting seat and a bottom mounting seat, two ends of the upper mounting seat are detachably connected with the box body and the middle mounting seat through first fasteners respectively, the middle mounting seat is detachably connected with the bottom mounting seat through second fasteners, the upper bearing mounting hole is located between the upper mounting seat and the middle mounting seat, and the lower bearing mounting hole is located between the middle mounting seat and the bottom mounting seat.
Preferably, the bottom mounting seat is integrally formed on one side of the box body.
Preferably, a lower lubricating oil way communicated with the lower bearing mounting hole is arranged on the middle mounting seat.
Preferably, an upper lubricating oil path communicated with the upper bearing mounting hole is arranged on the upper mounting seat.
Preferably, an upper through hole and a lower through hole are arranged on one side, far away from the bearing mounting seat, of the box body, the upper through hole is coaxial with the upper bearing mounting hole, the lower through hole is coaxial with the lower bearing mounting hole, and cover plates are respectively covered on the outer sides of the upper through hole and the lower through hole.
Compared with the prior art, the technical scheme has the following advantages:
the utility model provides a two pillow tamping units of switch, include: the vibration excitation device comprises a box body, an upper vibration excitation device and a lower vibration excitation device, wherein an upper bearing mounting hole and a lower bearing mounting hole are formed in the side wall of the box body, an upper eccentric shaft of the upper vibration excitation device is mounted in the upper bearing mounting hole through an upper bearing, a lower eccentric shaft of the lower vibration excitation device is mounted in the lower bearing mounting hole through a lower bearing, the lower eccentric shaft is located below the upper eccentric shaft, and the upper eccentric shaft is connected with the lower eccentric shaft through a transmission device. One of the upper eccentric shaft or the lower eccentric shaft is an output shaft, and the other is an output shaft, and in addition, compared with a traditional single vibration excitation device, the load of the upper eccentric shaft, the lower eccentric shaft, the upper bearing and the lower bearing can be effectively reduced through the two vibration excitation devices which are arranged up and down, so that the service life of the device is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the present application or the prior art, the following description will briefly introduce the drawings used in the embodiments or the description of the prior art, and it is obvious that, in the following description, the drawings are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of one side of a box of a switch double-sleeper tamping device according to an embodiment of the present application;
fig. 2 is a schematic structural view of the other side of the box of the switch dual-sleeper tamping device according to one embodiment of the present application;
fig. 3 is a schematic structural diagram of an upper and a lower vibration excitation devices of a switch dual-sleeper tamping device according to an embodiment of the present application;
fig. 4 is a schematic front view of a switch dual-sleeper tamping device according to an embodiment of the present disclosure after a box is removed;
fig. 5 is a schematic front view of a dual sleeper tamping device for a switch according to an embodiment of the present application;
fig. 6 is a schematic side sectional partial structure of a dual sleeper tamping device for a switch according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a middle mounting seat of a switch dual-sleeper tamping device according to an embodiment of the present application.
The reference numerals are as follows:
1 is a box body, 1-1 is a cover plate;
2 is a bearing mounting seat, 2-1 is an upper mounting seat, 2-2 is a middle mounting seat, 2-2-1 is a lower lubricating oil path, 2-3 is a bottom mounting seat, 2-4 is an upper bearing mounting hole, and 2-5 is a lower bearing mounting hole;
3 is a left hinge support, 3-1 is a left outer hinge hole, and 3-2 is a left inner hinge hole;
4 is a right hinge support, 4-1 is a right outer hinge hole, and 4-2 is a right inner hinge hole;
5 is an upper excitation device, 5-1 is an upper eccentric shaft, 5-2 is an upper bearing, and 5-3 is an upper gear;
6 is a lower vibration excitation device, 6-1 is a lower eccentric shaft, 6-2 is a lower bearing, and 6-3 is a lower gear;
7 is a left external opening and closing driving device, 8 is a left external tamping arm, and 9 is a left external tamping pick;
10 is a left inner opening and closing driving device, 11 is a left inner tamping arm, and 12 is a left inner tamping pick;
13 is a right outer opening and closing driving device, 14 is a right outer tamping arm, and 15 is a right outer tamping pick;
16 is a right inner opening and closing driving device, 17 is a right inner tamping arm, and 18 is a right inner tamping pick;
19 is a left bearing seat, 20 is a right bearing seat, 21 is a position adjusting device, 22 is an oil tank, 23 is an oil filling breathing port, 24 is an oil discharging screw plug, 25 is a flywheel, 26 is a vibration driver, 27 is a driver mounting seat, and 28 is a coupling.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present application. This application may be carried out in a variety of other ways than those herein set forth, and similar generalizations may be made by those skilled in the art without departing from the spirit of the application. Therefore, the present application is not limited by the specific embodiments disclosed below.
Please refer to fig. 1-7.
One embodiment of the present application provides a switch double sleeper tamping device, comprising: the vibration excitation device comprises a box body 1, an upper vibration excitation device 5 and a lower vibration excitation device 6, wherein an upper bearing mounting hole 2-4 and a lower bearing mounting hole 2-5 are formed in the side wall of the box body 1, an upper eccentric shaft 5-1 of the upper vibration excitation device 5 is mounted in the upper bearing mounting hole 2-4 through an upper bearing, a lower eccentric shaft of the lower vibration excitation device 6 is mounted in the lower bearing mounting hole 2-5 through a lower bearing, the lower eccentric shaft 6-1 is located below the upper eccentric shaft 5-1, and the upper eccentric shaft 5-1 is connected with the lower eccentric shaft 6-1 through a transmission device. One of the upper eccentric shaft 5-1 or the lower eccentric shaft 6-1 is an output shaft, and the other is an output shaft, and in addition, compared with a traditional single vibration excitation device, the load of the upper eccentric shaft, the lower eccentric shaft and the upper bearing can be effectively reduced, and the service life of the upper eccentric shaft is prolonged.
In some embodiments of the present application, the transmission is a gear set, the gear set includes an upper gear 5-3 and a lower gear 6-3, one end of the upper eccentric shaft 5-1 located in the case 1 is provided with the upper gear 5-3, one end of the lower eccentric shaft 6-1 located in the case 1 is provided with the lower gear 6-3, and the upper gear 5-3 is meshed with the lower gear 6-3. Specifically, the vibration driver 26 is mounted on the driver mount 27, the vibration driver 26 is connected to the upper eccentric shaft 5-1 via a coupling 28, and the flywheel 25 is connected to the lower eccentric shaft 6-1. Besides gear sets, a conveyor belt or a chain can be adopted for transmission, and the transmission can be selected according to actual conditions.
In some embodiments of the present application, the switch double sleeper tamping device further comprises: the left outer opening and closing driving device 7, the left outer tamping arm 8 and the left outer tamping pick 9 are sequentially connected, and one end, far away from the left outer tamping arm 8, of the left outer opening and closing driving device 7 is hinged with the upper eccentric shaft 5-1; the left inner opening and closing driving device 10, the left inner tamping arm 11 and the left inner tamping pick 12 are sequentially connected, and one end, far away from the left inner tamping arm 11, of the left inner opening and closing driving device 10 is hinged with the lower eccentric shaft 6-1; the right outer opening and closing driving device 13, the right outer tamping arm 14 and the right outer tamping pick 15 are sequentially connected, and one end, far away from the right outer tamping arm 14, of the right outer opening and closing driving device 13 is hinged with the upper eccentric shaft 5-1; the right inner opening and closing driving device 16, the right inner tamping arm 17 and the right inner tamping pick 18 are connected in sequence, and one end of the right inner opening and closing driving device 16 far away from the right inner tamping arm 17 is hinged with the lower eccentric shaft 6-1. The two sides of the bottom of the box body 1 are provided with a left hinge support 3 and a right hinge support 4, the left hinge support 3 comprises a left outer hinge hole 3-1 and a left inner hinge hole 3-2, a left outer tamping arm 8 is hinged with the left outer hinge hole 3-1, and a left inner tamping arm 11 is hinged with the left inner hinge hole 3-2; the right hinge support 4 includes a right outer hinge hole 4-1, a right inner hinge hole 4-2, a right outer tamping arm 14 hinged to the right outer hinge hole 4-1, and a right inner tamping arm 17 hinged to the right inner hinge hole 4-2. The outer opening and closing driving device positioned at the outer side and the inner opening and closing driving device positioned at the inner side are respectively hinged on different eccentric shafts, specifically, the left outer opening and closing driving device 7 and the right outer opening and closing driving device 13 are hinged on the upper eccentric shaft 5-1 positioned at the upper side, and the left inner opening and closing driving device and the right inner opening and closing driving device 16 are hinged on the lower eccentric shaft 6-1 positioned at the lower side, so that the opening and closing driving device positioned at the outer side and the opening and closing driving device positioned at the inner side are not influenced by each other, and the disassembly and the maintenance are convenient.
As shown in fig. 4, the right end of the left external opening and closing driving device 7 is hinged with the upper eccentric shaft 5-1, specifically, the right end of the left external opening and closing driving device 7 can be connected on a left bearing seat 19, the left bearing seat 19 is hinged with the upper eccentric shaft 5-1 through a bearing, the left end of the left external opening and closing driving device 7 is hinged with the upper end of the left external tamping arm 8, the upper end of the left external tamping pick 9 is connected with the lower end of the left external tamping arm 8, and the left external tamping arm is hinged with the left hinge support 3; the left inner opening and closing driving device 10, the left inner tamping arm 11 and the left inner tamping pick 12, wherein the right end of the left inner opening and closing driving device 10 is hinged with the lower eccentric shaft 6-1, the left end is hinged with the upper end of the left inner tamping arm 11, the upper end of the left inner tamping pick 12 is connected with the lower end of the left inner tamping arm 11, and the left inner tamping arm 11 is hinged with the left hinged support 3; the right outer opening and closing driving device 13, the right outer tamping arm 14 and the right outer tamping pick 15, wherein the left end of the right outer opening and closing driving device 13 is hinged with the upper eccentric shaft 5-1, in particular, the left end of the right outer opening and closing driving device 13 can be fixed on the right bearing seat 20, the right bearing seat 20 is hinged on the upper eccentric shaft 5-1 through a bearing, the right end of the right outer opening and closing driving device 13 is hinged with the upper end of the right outer tamping arm 14, the upper end of the right outer tamping pick 15 is connected with the lower end of the right outer tamping arm 14, and the right outer tamping arm 14 is hinged on the right hinge support 4; the right inner opening and closing driving device 16, the right inner tamping arm 17 and the right inner tamping pick 18, wherein the left end of the right inner opening and closing driving device 16 is hinged with the lower eccentric shaft 6-1, the right end of the right inner tamping pick 18 is hinged with the upper end of the right inner tamping arm 17, the upper end of the right inner tamping pick 18 is connected with the lower end of the right inner tamping arm 17, and the right inner tamping arm 17 is hinged with the right hinged support 4.
Compared with the traditional single vibration excitation device, the load of the upper eccentric shaft, the lower eccentric shaft and the upper bearing and the lower bearing can be effectively reduced through the upper vibration excitation device and the lower vibration excitation device, and the service life of the upper eccentric shaft, the lower eccentric shaft and the upper bearing is prolonged.
In some embodiments of the present application, a bearing mounting seat 2 is provided on the outside of one side of the box 1, two ends of an upper eccentric shaft 5-1 are mounted in the bearing mounting seat 2 and an upper bearing hole 2-4 of the box 1, and two ends of a lower eccentric shaft 6-1 are mounted in the bearing mounting seat 2 and a lower bearing hole 2-5 of the box 1. The working stability of the upper eccentric shaft 5-1 and the lower eccentric shaft 6-1 can be improved through the bearing mounting seat 2.
In order to facilitate the disassembly and assembly of the tamping device, in this embodiment, as shown in fig. 1, the bearing mounting seat 2 includes an upper mounting seat 2-1, a middle mounting seat 2-2 and a bottom mounting seat 2-3, two ends of the upper mounting seat 2-1 are detachably connected with the box body 1 and the middle mounting seat 2-2 through first fasteners, the middle mounting seat 2-2 is detachably connected with the bottom mounting seat 2-3 through second fasteners, the upper bearing mounting hole 2-4 is located between the upper mounting seat 2-1 and the middle mounting seat 2-2, and the lower bearing mounting hole 2-5 is located between the middle mounting seat 2-2 and the bottom mounting seat 2-3. The first fastener and the second fastener may each be selected as a screw. Wherein the bottom mounting seat 2-3 is preferably integrally formed on one side of the case 1.
Further, a lower lubricating oil circuit 2-2-1 communicated with the lower bearing mounting hole 2-5 is arranged on the middle mounting seat 2-2. An upper lubricating oil way communicated with the upper bearing mounting hole 2-4 is arranged on the upper mounting seat 2-1. In addition, two sides of the bearing mounting seat 2 on the box body 1 can be respectively provided with an oil tank, wherein one oil tank is used for supplying oil to the lower lubricating oil circuit 2-2-1, and the other oil tank is used for supplying oil to the upper lubricating oil circuit. In addition, an oiling breathing port 23 can be arranged at the upper part of the box body 1, and an oil drain screw plug 24 is arranged at the bottom.
In one embodiment of the application, an upper through hole and a lower through hole are formed in one side, far away from the bearing mounting seat 2, of the box body 1, the upper through hole is coaxial with the upper bearing mounting hole 2-4, the lower through hole is coaxial with the lower bearing mounting hole 2-5, cover plates 1-1 are respectively covered on the outer sides of the upper through hole and the lower through hole, and the cover plates 1-1 can be fixed on one side, far away from the bearing mounting seat 2, of the box body 1 through screws.
Further, the left external opening and closing driving device 7 and the right external opening and closing driving device 13 respectively comprise a position adjusting device 21 for adjusting the movement displacement of the left external opening and closing driving device and the right external opening and closing driving device, and the opening and closing width of the external tamping arms is adjusted through the position adjusting device 21, so that the tamping operation of different sleeper pitches of the track can be adapted.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A switch double sleeper tamping device, comprising:
the box body is provided with an upper bearing mounting hole and a lower bearing mounting hole on the side wall;
the upper vibration excitation device is characterized in that an upper eccentric shaft of the upper vibration excitation device is arranged in the upper bearing mounting hole through an upper bearing, a lower eccentric shaft of the lower vibration excitation device is arranged in the lower bearing mounting hole through a lower bearing, the lower eccentric shaft is positioned below the upper eccentric shaft, and the upper eccentric shaft is connected with the lower eccentric shaft through a transmission device.
2. The switch double sleeper tamping device of claim 1, wherein the transmission is a gear set, the gear set comprises an upper gear and a lower gear, the upper gear is arranged at one end of the upper eccentric shaft positioned in the box body, the lower gear is arranged at one end of the lower eccentric shaft positioned in the box body, and the upper gear is meshed with the lower gear.
3. The switch double-sleeper tamping device of claim 1, further comprising:
the left outer opening and closing driving device, the left outer tamping arm and the left outer tamping pick are sequentially connected, and one end of the left outer opening and closing driving device, which is far away from the left outer tamping arm, is hinged with the upper eccentric shaft;
the left inner opening and closing driving device, the left inner tamping arm and the left inner tamping pick are sequentially connected, and one end of the left inner opening and closing driving device, which is far away from the left inner tamping arm, is hinged with the lower eccentric shaft;
the right outer opening and closing driving device, the right outer tamping arm and the right outer tamping pick are sequentially connected, and one end, far away from the right outer tamping arm, of the right outer opening and closing driving device is hinged with the upper eccentric shaft;
the right internal opening and closing driving device, the right internal tamping arm and the right internal tamping pick are sequentially connected, and one end, far away from the right internal tamping arm, of the right internal opening and closing driving device is hinged with the lower eccentric shaft.
4. The switch double-sleeper tamping device as claimed in claim 3, wherein the left hinge support and the right hinge support are provided at both sides of the bottom of the case body, the left hinge support comprises a left outer hinge hole and a left inner hinge hole, the left outer tamping arm is hinged with the left outer hinge hole, and the left inner tamping arm is hinged with the left inner hinge hole; the right hinge support comprises a right outer hinge hole and a right inner hinge hole, the right outer tamping arm is hinged with the right outer hinge hole, and the right inner tamping arm is hinged with the right inner hinge hole.
5. The switch double sleeper tamping device of claim 1, wherein a bearing mounting seat is arranged outside one side of the box body, two ends of the upper eccentric shaft are mounted in the bearing mounting seat and an upper bearing hole of the box body, and two ends of the lower eccentric shaft are mounted in the bearing mounting seat and a lower bearing hole of the box body.
6. The switch double sleeper tamping device of claim 5, wherein the bearing mounting base comprises an upper mounting base, a middle mounting base and a bottom mounting base, two ends of the upper mounting base are detachably connected with the box body and the middle mounting base through first fasteners respectively, the middle mounting base is detachably connected with the bottom mounting base through second fasteners, the upper bearing mounting hole is positioned between the upper mounting base and the middle mounting base, and the lower bearing mounting hole is positioned between the middle mounting base and the bottom mounting base.
7. The switch dual sleeper tamping device of claim 6, wherein said base mounting block is integrally formed on one side of said housing.
8. The switch double sleeper tamping device of claim 6, wherein the central mounting seat is provided with a lower lubrication oil path communicated with the lower bearing mounting hole.
9. The switch double sleeper tamping device of claim 6, wherein an upper lubrication oil path communicating with the upper bearing mounting hole is provided on the upper mounting seat.
10. The switch double sleeper tamping device as recited in claim 5, wherein a side of said housing remote from said bearing mounting seat is provided with an upper through hole and a lower through hole, said upper through hole
The hole is coaxial with the upper bearing mounting hole, the lower through hole is coaxial with the lower bearing mounting hole,
and cover plates are respectively covered on the outer sides of the upper through hole and the lower through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320167038.2U CN219137274U (en) | 2023-02-01 | 2023-02-01 | Double-sleeper tamping device for turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320167038.2U CN219137274U (en) | 2023-02-01 | 2023-02-01 | Double-sleeper tamping device for turnout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219137274U true CN219137274U (en) | 2023-06-06 |
Family
ID=86568155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320167038.2U Active CN219137274U (en) | 2023-02-01 | 2023-02-01 | Double-sleeper tamping device for turnout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219137274U (en) |
-
2023
- 2023-02-01 CN CN202320167038.2U patent/CN219137274U/en active Active
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