CN107008953B - Rail bottom milling machine - Google Patents
Rail bottom milling machine Download PDFInfo
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- CN107008953B CN107008953B CN201710379384.6A CN201710379384A CN107008953B CN 107008953 B CN107008953 B CN 107008953B CN 201710379384 A CN201710379384 A CN 201710379384A CN 107008953 B CN107008953 B CN 107008953B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/06—Milling machines not designed for particular work or special operations with one vertical working-spindle
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- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to the technical field of railway track processing, in particular to a rail bottom flat milling machine. The milling machine comprises a main frame, a driving device, a milling cutter disc and a fixing device; the driving device and the milling cutter head are both arranged on the main frame; the driving device is connected with the milling cutter disc through a transmission device and can drive the milling cutter disc to rotate; the milling cutter is fixedly arranged on the milling cutter disc; the fixing device is fixedly connected with the main frame and can fix the main frame on a track; the driving device and the milling cutter disc are arranged on the same side of the main frame. According to the rail bottom milling and flattening machine provided by the invention, the main frame is arranged at the bottom of the rail through the fixing device, so that the purpose of milling and flattening the rail bottom by using the milling cutter arranged on the main frame is realized, and the welding seam on the whole rail can be flattened.
Description
Technical Field
The invention relates to the technical field of railway track processing, in particular to a rail bottom flat milling machine.
Background
When the railway track is laid, the joints of the tracks are welded to be connected into a whole, so that the stability and the safety of a train running on the track are ensured.
After welding, weld seams are usually formed, which in turn affects the stability of the train when running on the rail, and also affects the service life and the aesthetic appearance of the rail.
In this case, it is generally necessary to treat the weld of the rail.
In the prior art, the weld joint is generally processed by milling the weld joint by a milling cutter.
However, in the prior art, the milling machine can only mill the upper part and the left and right sides of the rail, but cannot mill the welding seam of the rail bottom.
Disclosure of Invention
The invention aims to provide a rail bottom milling and flattening machine to solve the technical problems in the prior art.
The invention provides a rail bottom flat milling machine, which comprises a main frame, a driving device, a milling cutter disc and a fixing device, wherein the main frame is provided with a guide rail;
the driving device and the milling cutter head are both arranged on the main frame;
the driving device is connected with the milling cutter disc through a transmission device and can drive the milling cutter disc to rotate;
the milling cutter is fixedly arranged on the milling cutter disc;
the fixing device is fixedly connected with the main frame and can fix the main frame on a track;
the driving device and the milling cutter disc are arranged on the same side of the main frame.
Further, the fixing device comprises a fixing clip and a movable clip;
the fixing clamp is fixedly arranged on the main frame;
the movable clamp comprises a positioning frame and a positioning hook;
the positioning frame is fixedly arranged on the main frame;
the positioning hook is arranged on the positioning frame and can move on the positioning frame to realize the fixation of the rail bottom milling flat machine on the rail.
Furthermore, a positioning groove is formed in the positioning frame;
the positioning hook is arranged in the positioning groove;
a threaded hole is formed in one side wall of the positioning groove;
the other side wall of the positioning groove is provided with a first through hole;
a second through hole is formed in the positioning hook;
the threaded hole, the first through hole and the second through hole are coaxially arranged;
the positioning bolt and the positioning block are also included;
a third through hole is formed in the positioning block;
and the positioning bolt penetrates through the first through hole, the third through hole and the second through hole and then is in threaded connection with the threaded hole.
Further, the positioning block is cylindrical;
one end of the positioning block abuts against one side, close to the screw, of the head of the positioning bolt;
the positioning block is arranged in the first through hole.
Further, the milling cutter disc comprises a rotating shaft and a disc body;
the rotating shaft is rotatably arranged on the main frame;
the tray body is fixedly arranged at one end of the rotating shaft;
the other end of the rotating shaft is connected with the transmission device.
Further, a milling cutter groove is formed in the disc body;
the milling cutter is fixedly arranged in the milling cutter groove.
Further, the milling cutter grooves are multiple;
the milling cutter grooves are uniformly arranged by taking the axis of the disc body as a central shaft.
Further, the milling cutter is fixedly arranged on the side wall of the milling cutter groove.
Further, the driving device is a motor or a gasoline engine.
Further, the transmission device is a chain transmission mechanism.
According to the rail bottom milling and flattening machine provided by the invention, the main frame is arranged at the bottom of the rail through the fixing device, so that the purpose of milling and flattening the rail bottom by using the milling cutter arranged on the main frame is realized, and the welding seam on the whole rail can be flattened.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a face cutter of an underrail milling machine according to an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the overall structure of the railbed flat milling machine according to the embodiment of the invention;
FIG. 4 is a schematic structural view of a fixture for an underrail mill provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a positioning bracket of a fixture of the railbed flat milling machine according to an embodiment of the present invention;
FIG. 6 is a schematic view of a positioning hook of a fixture of the railbed flat milling machine according to an embodiment of the present invention;
FIG. 7 is a schematic view of a face cutter of an underrail milling machine according to an embodiment of the present invention;
FIG. 8 is a side view of FIG. 7;
fig. 9 is a schematic perspective view of a milling cutter head of an underrail milling machine according to an embodiment of the present invention.
Reference numerals:
in the figure, 1: a tray body; 2: a rotating shaft; 3: milling cutters; 4: a driven gear; 5: a main frame; 6: a drive device; 7: a driving gear; 8: a movable frame; 9: a nut; 10: a screw rod; 11: a handle; 12: a turntable; 13: a fixing device; 14: positioning the bolt; 15: positioning blocks; 16: a positioning hook; 17: positioning a groove; 18: a positioning frame; 19: fixing the bolt; 20: a fixing clip; 21: a first through hole; 22: a threaded hole; 23: a fixing hole; 24: a second via.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-9, the invention provides a rail bottom flat milling machine, which comprises a main frame 5, a driving device 6, a milling cutter 3, a milling cutter disc and a fixing device 13;
the driving device 6 and the milling cutter head are both arranged on the main frame 5;
the driving device 6 is connected with the milling cutter disc through a transmission device and can drive the milling cutter disc to rotate;
the milling cutter 3 is fixedly arranged on the milling cutter disc;
the fixing device 13 is fixedly connected with the main frame 5 and can fix the main frame 5 on a track;
the driving device 6 and the milling cutter disc are arranged on the same side of the main frame 5.
In this embodiment, the driving device 6 is fixed on the main frame 5, and is connected with the milling cutter head through a transmission device, so as to drive the milling cutter head to rotate, and further drive the milling cutter 3 to perform milling operation.
In this embodiment, during the use, set up body frame 5 in orbital bottom earlier, set up milling cutter 3 in welding seam department, later, fix body frame 5 behind the track bottom through fixing device 13, start drive arrangement 6, drive the facing cutter rotation, and then drive milling cutter 3 and begin to mill the welding seam of track bottom flat.
In the present embodiment, the drive device 6 is arranged on the same side of the main frame 5 as the milling cutter disc, but it is not limited to this arrangement, and it may be arranged in other ways, for example, the drive device 6 may be arranged at the end of the main frame 5.
In this embodiment, after the driving device 6 is driven, the milling cutter feeding device moves the milling cutter disc, so that the milling cutter 3 can mill the whole welding seam, and the main frame 5 is detached after one section of welding seam is not required to be milled, and another section of milling seam is performed after the position adjustment.
In the present embodiment, the milling cutter feeding device includes a handle 11, a rotary table 12, a screw 10, a nut 9, and a moving frame 8; the rotary table 12 is rotatably arranged on the main frame 5, the handle 11 is fixedly arranged on one side of the outer ring of the rotary table 12, the lead screw 10 is coaxially arranged on the other side of the rotary table 12, the lead screw 10 is in threaded fit with the nut 9, the nut 9 is fixedly arranged on the movable frame 8, and the milling cutter disc and the driving device 6 are both arranged on the movable frame 8.
When the milling cutter is used, the handle 11 is shaken to drive the turntable 12 to rotate, so that the screw rod 10 is driven to rotate, the nut 9 is driven by the rotation of the screw rod 10 to move on the screw rod 10, the moving frame 8 is further driven to move, and the purposes of driving the milling cutter disc to move and changing the operation position of the milling cutter 3 are achieved.
In a preferred embodiment, the fixing device 13 comprises a fixed clip 20 and a movable clip;
the fixing clamp 20 is fixedly arranged on the main frame 5;
the movable clamp comprises a positioning frame 18 and a positioning hook 16;
the positioning frame 18 is fixedly arranged on the main frame 5;
the positioning hook 16 is arranged on the positioning frame 18 and can move on the positioning frame 18 to fix the rail bottom milling machine on the rail.
When the milling machine is used, the milling cutter head and the driving device 6 are installed on the main frame 5, then the milling cutter head and the driving device are fixed with one side of the rail through the fixing clamp 20 on the main frame 5, and then the milling cutter head and the driving device are fixed with the other side of the rail through the movable clamp, and finally the purpose of fixing the rail bottom milling flat machine at the bottom of the rail is achieved.
In this embodiment, the movable clamp includes a positioning frame 18 and a positioning hook 16, and the positioning frame 18 is fixedly disposed on the main frame 5, and the positioning hook 16 is fixedly disposed on the positioning frame 18, and meanwhile, the positioning hook 16 and the positioning frame 18 are detachably connected, and the positioning frame 18 and the main frame 5 may also be detachably connected.
There are many ways of detachable connection, and in this embodiment, the detachable connection is a bolt connection.
It should be noted that the detachable connection mode may be a bolt connection, but it is not limited to only a bolt connection mode, and it may also be other connection modes, such as a pin connection, an insertion connection, and the like, that is, it is only necessary to perform detachable connection.
It should also be noted that, in the case of a non-detachable connection between the main frame 5 and the positioning frame 18, the connection is made by welding. Meanwhile, the non-detachable connection mode is also various, the non-detachable connection mode is not limited to welding, and other connection modes can be adopted, such as integral arrangement or riveting and the like, namely, the non-detachable connection mode can be fixed and connected together.
In this embodiment, the positioning hook 16 is L-shaped, that is, one end is fixedly connected to the positioning frame 18, and the other end is bent to form a hook shape, and the hook is used to hook up the edge of the bottom of the rail, thereby fixing the positioning frame 18 on the bottom of the rail.
It should be noted that the positioning hook 16 is L-shaped in the present embodiment, but it is not limited to L-shaped, and it may also be in other shapes, such as U-shaped, etc., as long as it can fix the positioning frame 18 on the bottom of the rail.
In a preferred embodiment, the positioning frame 18 is provided with a positioning groove 17;
the positioning hook 16 is arranged in the positioning groove 17;
a threaded hole 22 is formed in one side wall of the positioning groove 17;
the other side wall of the positioning groove 17 is provided with a first through hole 21;
the positioning hook 16 is provided with a second through hole 24;
the threaded hole 22, the first through hole 21 and the second through hole 24 are coaxially arranged;
the positioning bolt 14 and the positioning block 15 are also included;
a third through hole is formed in the positioning block 15;
the positioning bolt 14 is threaded with the threaded hole 22 after passing through the first through hole 21, the third through hole and the second through hole 24.
In this embodiment, the positioning groove 17 is formed in the positioning frame 18, and the positioning hook 16 is disposed in the positioning groove 17, so that the positioning hook 16 in this embodiment can be matched with different tracks by adjusting the position of the positioning hook 16 in the positioning groove 17, the application range of the fixing device 13 is increased, and the utilization rate of the fixing device 13 is improved.
In the present embodiment, the positioning groove 17 is a rectangular groove.
It should be noted that the shape of the positioning slot 17 may be a rectangular slot, but it is not limited to a rectangular slot, and it may also be other types of slot structures, such as a U-shaped slot, a trapezoidal slot, etc., as long as it can fix the positioning hook 16 in the positioning slot 17 and make the positioning hook 16 move and adjust in the positioning slot 17.
In this embodiment, two opposite side walls of the positioning groove 17 are respectively provided with a first through hole 21 and a threaded hole 22, the positioning hook 16 is provided with a second through hole 24, a positioning block 15 is arranged between the first through hole 21 and the second through hole 24, the positioning block 15 is provided with a third through hole, and at this time, the first through hole 21, the second through hole 24, the third through hole and the threaded hole 22 are coaxially arranged. The positioning bolt 14 passes through the first through hole 21, the third through hole and the second through hole 24 and then is in threaded connection with the threaded hole 22, so that the positioning hook 16 is fixed.
In the present embodiment, the positioning bolt 14 can penetrate the first through hole 21, i.e., the diameter of the first through hole 21 is larger than the diameter of the head of the positioning bolt 14.
When the fixing device is used, after the positioning hook 16 is firstly contacted with the bottom of the track, the positioning bolt 14 is screwed, the positioning block 15 is driven to extrude the positioning hook 16 to move to one side of the threaded hole 22 under the effect of threaded connection of the threaded hole 22 and the positioning bolt 14, so that the positioning hook 16 is tightly attached and fixed to the bottom of the track, and meanwhile, the positioning hook 16 is fixed in the positioning groove 17, and the fixing device 13 is fixed.
It should be noted that, in the present embodiment, the head of the positioning bolt 14 does not pass through the first through hole 21 completely, so as to ensure that the two ends of the positioning bolt 14 are disposed in the first through hole 21 and the threaded hole 22, respectively, and further ensure the connection strength between the positioning bolt 14 and the positioning slot 17, and ensure the connection strength between the positioning hook 16 and the positioning frame 18.
In a preferred embodiment, the positioning block 15 is cylindrical;
one end of the positioning block 15 abuts against one side, close to the screw, of the head of the positioning bolt 14;
the positioning block 15 is disposed in the first through hole 21.
In the present embodiment, the positioning block 15 is cylindrical; one end of the positioning block 15 abuts against one side of the head of the positioning bolt 14 close to the screw.
In this embodiment, the positioning block 15 is set to be cylindrical, and the diameter thereof is smaller than or positions the diameter of the first through hole 21, so that the positioning block 15 can enter the first through hole 21, the moving range of the positioning hook 16 in the positioning groove 17 is further increased, and the application range of the fixing device 13 is increased.
In this embodiment, the diameter of the positioning block 15 may be larger than the diameter of the first through hole 21.
In the present embodiment, the positioning block 15 is provided in a cylindrical shape, but it is not limited to a cylindrical shape, and may be in other shapes, such as a square cylinder, a polygonal cylinder, etc., or may be in an irregular shape as long as one end of the positioning block abuts against the positioning bolt 14 and the other end of the positioning block abuts against the lower end of the positioning hook 16.
In this embodiment, a fixing hole 23 is provided on the positioning frame 18, and the positioning frame 18 and the main frame 5 are detachably connected through the cooperation of the fixing bolt 19 and the fixing hole 23, so that the positioning frame 18 can be conveniently replaced or maintained when being worn.
It should be noted that, in the present embodiment, the positioning frame 18 and the main frame 5 are bolted, but the present invention is not limited to the manner of bolting, and may be other detachable connection types such as pin joint, snap joint, etc., that is, as long as the detachable connection can be performed, the replacement and maintenance of the positioning frame 18 can be facilitated.
It should also be noted that the positioning frame 18 and the main frame 5 may also be non-detachably connected, that is, the positioning frame 18 and the main frame 5 may also be connected together by welding or the like, so as to ensure the connection strength between the positioning frame 18 and the main frame 5.
In the present embodiment, the fixed clip 20 and the movable clip are both provided in two, that is, two fixed clips 20 are provided on one side of the rail and two movable clips are provided on the other side of the rail.
When in use, the main frame 5 is fixed with the bottom of the track through the movable clamp after the fixing clamp 20 is connected with the track.
It should be noted that, in the present embodiment, the fixed clip 20 and the movable clip are provided in two, but they are not limited to two, and they may be provided in three or more, as long as the connection strength of the fixing device 13 and the bottom of the rail can be ensured.
It should also be noted that in the present embodiment, the number of the fixed clips 20 is the same as that of the movable clips, but it may be adjusted according to the specific use position, and different numbers of the fixed clips 20 and the movable clips are provided, as long as the connection strength of the fixing device 13 and the bottom of the track can be ensured.
In the present embodiment, the main frame 5 includes a horizontal frame and a vertical frame, and can fix and mount other components such as the milling cutter 3 and can also fix and mount the fixing clip 20 and the movable clip.
In this embodiment, the fixed clip 20 and the movable clip are both provided on the longitudinal frame.
It should be noted that the positions of the fixed clip 20 and the movable clip may be set on the longitudinal frame or the transverse frame, which may be finally determined according to the specific use situation.
In a preferred embodiment, the milling cutter disc comprises a rotating shaft 2 and a disc body 1;
the rotating shaft 2 is rotatably arranged on the main frame 5;
the disc body 1 is fixedly arranged at one end of the rotating shaft 2;
the other end of the rotating shaft 2 is connected with the transmission device.
In this embodiment, the facing cutter includes axis of rotation 2 and disk body 1, and axis of rotation 2 rotates and sets up on removing frame 8, can drive axis of rotation 2 through the removal that removes frame 8 and remove, and then drive disk body 1 and remove.
In the present embodiment, the disk body 1 is disposed coaxially with the rotational shaft 2.
In a preferred embodiment, a milling cutter groove is arranged on the disc body 1;
the milling cutter 3 is fixedly arranged in the milling cutter groove.
In the present embodiment, the milling cutter pocket is provided on the outer wall of the disc body 1, and the milling cutter 3 is fixedly provided in the milling cutter pocket.
In the present embodiment, the fixing manner of the milling cutter 3 in the milling cutter groove is bolt fixing.
It should be noted that the milling cutter 3 may be fixed in the milling cutter groove in various ways as long as the milling cutter 3 can be fixed in the milling cutter groove.
In a preferred embodiment, the milling flutes are multiple;
the milling flutes are uniformly arranged by taking the axis of the disc body 1 as a central shaft.
In the present embodiment, there are a plurality of milling flutes, and the milling flutes are uniformly arranged with the axis of the disc body 1 as the center line. Meanwhile, each milling cutter groove is internally provided with a milling cutter 3, and a plurality of milling cutters 3 work together to accelerate the milling efficiency.
In a preferred embodiment, the milling cutter 3 is fixedly arranged on a side wall of the milling cutter pocket.
In the present embodiment, the milling cutter 3 is provided on a side wall of the milling cutter pocket, specifically, on a left side wall of the milling cutter 3.
In a preferred embodiment, the driving device 6 is a motor or a gasoline engine; the transmission device is a chain transmission mechanism.
Drive arrangement 6 and facing cutter all set up on removing frame 8 for interval between the two is unchangeable, and then transmission between the two can be realized through the chain, sets up driving gear 7 promptly on the motor shaft, sets up driven gear 4 at 2 lower extremes of the axis of rotation of facing cutter, and driving gear 7 and driven gear 4 link together through the chain, realize the transmission.
It should be noted that, in the present embodiment, the transmission device is a chain transmission, but the transmission device is not limited to the chain transmission, and may also be other transmission modes, such as a belt transmission, a gear transmission, and the like, that is, it is only necessary to drive the milling cutter head to rotate through the driving device 6.
According to the rail bottom milling and flattening machine provided by the invention, the main frame 5 is arranged at the bottom of the rail through the fixing device 13, so that the purpose of milling and flattening the rail bottom by using the milling cutter 3 arranged on the main frame 5 is realized, and the weld seam on the whole rail can be milled and flattened.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A rail bottom flat milling machine is characterized by comprising a main frame, a driving device, a milling cutter disc and a fixing device;
the driving device and the milling cutter head are both arranged on the main frame;
the driving device is connected with the milling cutter disc through a transmission device and can drive the milling cutter disc to rotate;
the milling cutter is fixedly arranged on the milling cutter disc;
the fixing device is fixedly connected with the main frame and can fix the main frame on a track;
the driving device and the milling cutter disc are arranged on the same side of the main frame;
the milling cutter feeding device is used for moving the milling cutter disc;
the milling cutter feeding device comprises a handle, a rotary table, a lead screw, a nut and a movable frame; the rotary table is rotationally arranged on the main frame, the handle is fixedly arranged on one side of the outer ring of the rotary table, the screw rod is coaxially arranged on the other side of the rotary table, the screw rod is in threaded fit connection with the nut, the nut is fixedly arranged on the movable frame, and the milling cutter disc and the driving device are both arranged on the movable frame;
the fixing device comprises a fixing clamp and a movable clamp;
the fixing clamp is fixedly arranged on the main frame;
the movable clamp comprises a positioning frame and a positioning hook;
the positioning frame is fixedly arranged on the main frame;
the positioning hook is arranged on the positioning frame and can move on the positioning frame to realize the fixation of the rail bottom milling flat machine on the rail;
the positioning frame is provided with a positioning groove;
the positioning hook is arranged in the positioning groove;
a threaded hole is formed in one side wall of the positioning groove;
the other side wall of the positioning groove is provided with a first through hole;
a second through hole is formed in the positioning hook;
the threaded hole, the first through hole and the second through hole are coaxially arranged;
the positioning bolt and the positioning block are also included;
a third through hole is formed in the positioning block;
and the positioning bolt penetrates through the first through hole, the third through hole and the second through hole and then is in threaded connection with the threaded hole.
2. The flat machine of claim 1 wherein the locating block is cylindrical;
one end of the positioning block abuts against one side, close to the screw, of the head of the positioning bolt;
the positioning block is arranged in the first through hole.
3. The under-rail mill flat machine of claim 1 wherein the mill head includes a rotary shaft and a disk;
the rotating shaft is rotatably arranged on the main frame;
the tray body is fixedly arranged at one end of the rotating shaft;
the other end of the rotating shaft is connected with the transmission device.
4. The machine of claim 3 wherein the disc has a cutter slot;
the milling cutter is fixedly arranged in the milling cutter groove.
5. The foot mill leveler of claim 4, wherein the cutter slot is a plurality of cutter slots;
the milling cutter grooves are uniformly arranged by taking the axis of the disc body as a central shaft.
6. The foot mill leveler of claim 4, wherein the mill is fixedly disposed on a sidewall of the mill pocket.
7. The machine of claim 1 wherein the drive means is an electric motor or a gasoline engine.
8. The flat machine of claim 1 wherein the drive is a chain drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379384.6A CN107008953B (en) | 2017-05-25 | 2017-05-25 | Rail bottom milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379384.6A CN107008953B (en) | 2017-05-25 | 2017-05-25 | Rail bottom milling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107008953A CN107008953A (en) | 2017-08-04 |
| CN107008953B true CN107008953B (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710379384.6A Active CN107008953B (en) | 2017-05-25 | 2017-05-25 | Rail bottom milling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107008953B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6592307B2 (en) * | 2001-06-27 | 2003-07-15 | Yu-Fu Hsieh | Planing device for removing weld beads on car sheet metal |
| CN200957471Y (en) * | 2006-10-19 | 2007-10-10 | 庄添财 | Miller of butterfly-brake seat |
| CN202219343U (en) * | 2011-08-12 | 2012-05-16 | 中国商用飞机有限责任公司 | Milling device |
| CN206912318U (en) * | 2017-05-25 | 2018-01-23 | 晨唐(北京)技术股份有限公司 | Flange of rail milling machine |
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2017
- 2017-05-25 CN CN201710379384.6A patent/CN107008953B/en active Active
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| CN107008953A (en) | 2017-08-04 |
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Effective date of registration: 20191031 Address after: 100000, Beijing, Kunming, Hunan Road, No. 51, block B, two, 01, Haidian District Applicant after: Huaxia High Speed Rail Technology Co Ltd Address before: 100000, room 1, 1803 Feng Feng Road, Beijing, Fengtai District Applicant before: CHENTANG (BEIJING) TECHNOLOGY CO., LTD. |
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