CN219342716U - Rail bottom milling machine - Google Patents
Rail bottom milling machine Download PDFInfo
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- CN219342716U CN219342716U CN202320149676.1U CN202320149676U CN219342716U CN 219342716 U CN219342716 U CN 219342716U CN 202320149676 U CN202320149676 U CN 202320149676U CN 219342716 U CN219342716 U CN 219342716U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of engineering instruments, in particular to a rail bottom milling machine. The rail bottom milling machine is used for milling the bottom of the steel rail and comprises a frame, a locking device, a milling device and a power device. The frame is provided with a mounting plate, and the mounting plate is movably arranged on the frame. The locking device is fixed on the frame and is used for fixing the steel rail on the frame. The milling device is connected with the mounting plate, the mounting plate drives the milling device to move below the locking device so as to mill the bottom of the steel rail, and the power device is connected with the mounting plate and used for providing milling power for the milling device. According to the rail bottom milling machine, the steel rail is fixed by the locking device, the power device provides milling power for the milling device, the milling device moves to the lower part of the steel rail under the drive of the mounting plate to mill the weld flash or the bulge at the bottom of the steel rail, so that the milling operation of the bottom surface of the steel rail is more stable and efficient, and the stability of the whole structure of the steel rail is improved.
Description
Technical Field
The utility model relates to the technical field of engineering instruments, in particular to a rail bottom milling machine.
Background
In railway engineering construction, when welding between steel rails, a circle of weld flash is left at the position of the weld seam, and the weld flash can influence the structural stability and the service life of the steel rails and also influence the stability in the running process of a train, so the weld flash needs to be removed. The weld flash on the upper side and the two sides of the steel rail joint can be easily removed, but the bottom of the steel rail is small in space and can be polished by manual holding machinery, so that the efficiency is low, the operation condition is severe, the manual polishing quality cannot be controlled, and the stability of the whole steel rail is indirectly influenced. Polishing personnel squat and lie on the bottom of the steel rail for a long time to polish, and the body is easily damaged. Therefore, designing an applicable tool is an important problem to be solved.
Disclosure of Invention
The utility model provides a rail bottom milling machine which is used for solving the defect of manually polishing the bottom of a steel rail in the prior art and realizing stable and convenient removal of weld flash at the bottom of the steel rail.
The utility model provides a rail bottom milling machine, which is used for milling the bottom of a steel rail and comprises:
the device comprises a rack, wherein a mounting plate is arranged on the rack and is movably arranged on the rack;
the locking device is fixed on the frame and is used for fixing the steel rail on the frame;
the milling device is connected with the mounting plate, and the mounting plate drives the milling device to move below the locking device so as to mill the bottom of the steel rail;
and the power device is connected with the mounting plate and used for providing milling power for the milling device.
The rail bottom milling machine provided by the utility model further comprises a transmission device, wherein the transmission device is connected between the milling device and the power device.
According to the present utility model, there is provided a rail foot milling machine, the power device comprising:
the battery assembly is connected with the mounting plate;
the motor is electrically connected with the battery assembly, and the battery assembly supplies power for the motor;
the driving wheel is connected with an output shaft of the motor and is connected with one end of the transmission device.
According to the rail bottom milling machine provided by the utility model, the battery assembly further comprises a battery and a battery seat, wherein the battery is installed on the battery seat, and the battery seat is connected with the mounting plate.
According to the rail bottom milling machine provided by the utility model, the power device further comprises a reduction gearbox, and the reduction gearbox is connected between the output shaft of the motor and the driving wheel.
According to the present utility model, there is provided a rail foot milling machine, the milling device comprising:
a main shaft;
the bearing is fixed on the main shaft through a bearing seat, and the main shaft penetrates through the bearing inner ring;
the milling cutter disc is connected with the main shaft and is used for milling the bottom of the steel rail;
the driven wheel is arranged on the main shaft, and the driving wheel transmits power to the driven wheel through the transmission device.
According to the present utility model, there is provided a rail foot milling machine, the locking device comprising:
the positioning hook is fixed on the rack;
the locking block is movable relative to the frame, the locking block is spaced from the positioning hook, and the steel rail is positioned between the locking block and the positioning hook;
and the adjusting screw is arranged on the locking block and used for adjusting the distance between the locking block and the positioning hook so as to lock the steel rail.
According to the rail bottom milling machine provided by the utility model, the adjusting screw comprises the force application rod and the bolt, the bolt penetrates through the frame and can rotate relative to the frame, and the force application rod penetrates through the bolt and is used for driving the bolt to rotate.
According to the rail bottom milling machine provided by the utility model, the rack comprises a sliding block shaft and at least one sliding seat, and the mounting plate is connected with the sliding seat;
at least one slide seat is arranged on the slide block shaft in a penetrating way, and the slide seat is movably arranged on the slide block shaft.
According to the present utility model, there is provided a rail foot milling machine further comprising a feeding device, the feeding device comprising:
the nut seat is fixed on the mounting plate;
the feed screw rod is in threaded fit with the nut seat, penetrates through the nut seat and is movable relative to the nut seat, penetrates through the frame, the first end of the feed screw rod is arranged outside the frame, and the second end of the feed screw rod is arranged in the frame;
the hand wheel is arranged on the first end and used for controlling the rotation of the feed screw.
According to the rail bottom milling machine provided by the embodiment of the utility model, the steel rail is fixed by the locking device, the power device provides milling power for the milling device, and the milling device moves to the lower part of the steel rail under the drive of the mounting plate to mill the weld flash or the protruding part at the bottom of the steel rail, so that the milling operation of the bottom surface of the steel rail is more stable and efficient, and the stability of the whole structure of the steel rail is improved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a rail foot milling machine provided by the present utility model;
FIG. 2 is a bottom view of the rail foot milling machine provided by the present utility model;
FIG. 3 is a front view of a rail foot milling machine provided by the present utility model;
FIG. 4 is a top view of a rail foot milling machine provided by the present utility model;
fig. 5 is a cross-sectional view of a milling device provided by the present utility model.
Reference numerals:
100. a rail bottom milling machine;
110. a frame; 120. a mounting plate; 130. a slider shaft; 140. a slide; 150. a steel rail;
200. a locking device; 210. a positioning hook; 220. a locking block; 230. adjusting a screw; 231. a force application rod; 232. a bolt;
300. a milling device; 310. a main shaft; 320. a bearing; 330. a bearing seat; 340. milling cutter disc; 350. driven wheel;
400. a power device; 410. a battery assembly; 411. a battery; 412. a battery holder; 420. a motor; 430. a driving wheel; 440. a reduction gearbox;
500. a transmission device;
600. a feeding device; 610. a nut seat; 620. a feed screw; 621. a first end; 622. a second end; 630. and a hand wheel.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The rail foot milling machine 100 of an embodiment of the present utility model is described below in connection with fig. 1-5, and the rail foot milling machine 100 may be used to mill the weld flash on the bottom surface of a steel rail 150. The rail foot milling machine 100 includes a frame 110, a locking device 200, a milling device 300, and a power device 400.
Specifically, the mounting plate 120 is disposed on the frame 110, and the mounting plate 120 is movably disposed on the frame 110 in a horizontal direction, where the frame 110 may be disposed at the bottom of the rail 150, that is, the rail 150 is placed on the frame 110, so that the bottom surface of the rail 150 may be directly milled, thereby simplifying the milling operation of the rail 150. The locking device 200 is fixed on the frame 110, and the locking device 200 is used for stably fixing the steel rail 150 on the frame 110, so as to prevent the steel rail 150 from moving during milling. In addition, the position of the rail 150 can be fixed by the locking device 200 so that the flash on the bottom surface of the rail 150 can be in contact with the milling device 300, thereby achieving the purpose of milling the flash on the bottom of the rail 150 or the protruding portion of the bottom surface of the rail 150.
The milling device 300 is connected with the mounting plate 120, and the mounting plate 120 drives the milling device 300 to move below the locking device 200 so as to mill the bottom of the steel rail 150. A power device 400 is coupled to the mounting plate 120 for providing milling power to the milling device 300. It should be noted that, the power device 400 and the milling device 300 are both installed on the mounting plate 120, and the power device 400 can provide stable power for the milling device 300, so as to improve the stability of the overall operation of the rail-bottom milling machine 100.
It will be appreciated that the frame 110 can be passed over the bottom of the rail 150 and the locking device 200 can be used to secure the rail 150 to the frame 110 by clamping the edges of the rail 150, moving the milling device 300 to the rail 150, parallel the bottom surface of the rail 150, and bringing the milling device 300 into contact with the weld flash on the rail 150. In this way, the milling device 300 can move along the width direction of the steel rail 150 relative to the frame 110 to mill the bottom surface of the steel rail 150 smoothly, so that the bottom surface of the steel rail 150 is smooth and free of weld flash or protruding parts, and the purpose of improving the overall structural stability of the steel rail 150 is achieved. Meanwhile, the milling device 300 is mounted on the mounting plate 120, so that the milling device 300 can reciprocate in the horizontal direction relative to the frame 110 under the driving of the mounting plate 120, the relative position between the milling device 300 and the bottom surface of the steel rail 150 can be adjusted conveniently, and the milling device 300 can perform milling conveniently.
According to the rail bottom milling machine 100 of the embodiment of the utility model, the steel rail 150 is fixed by the locking device 200, the power device 400 provides milling power for the milling device 300, and the milling device 300 moves to the lower part of the steel rail 150 under the driving of the mounting plate 120 to mill the weld flash or the bulge at the bottom of the steel rail 150, so that the milling operation of the bottom surface of the steel rail 150 is more stable and efficient, and the stability of the whole structure of the steel rail 150 is improved.
According to some embodiments of the present utility model, as shown in connection with fig. 2, the rail foot milling machine 100 further includes a transmission 500. Wherein the transmission 500 is connected between the milling device 300 and the power device 400. The power provided by the power device 400 can be transmitted to the milling device 300 through the transmission device 500, so that the stability of the whole operation of the rail bottom milling machine 100 can be improved.
According to some embodiments of the present utility model, as shown in connection with fig. 1-3, power plant 400 includes a battery assembly 410, a motor 420, and a drive wheel 430. The battery assembly 410 is connected with the mounting plate 120, the motor 420 is electrically connected with the battery assembly 410, the battery assembly 410 supplies power to the motor 420, the driving wheel 430 is connected with an output shaft of the motor 420, and the driving wheel 430 is connected with one end of the transmission device 500. When the rail foot milling machine 100 is in operation, the battery assembly 410 can supply power to the motor 420, and the output shaft of the motor 420 rotates; when the output shaft of the motor 420 rotates, the driving wheel 430 can be driven to rotate, and the driving wheel 430 transmits power to the milling device 300 through the transmission device 500. Here, the power unit 400 is not particularly limited, and an internal combustion engine or the like may be used to power the rail bottom milling machine 100. In addition, the battery assembly 410 may also be used to remotely power the rail foot milling machine 100 via electrical wiring.
According to some embodiments of the present utility model, as shown in connection with fig. 1 and 3, battery assembly 410 further includes a battery 411 and a battery holder 412, battery 411 being mounted on battery holder 412, battery holder 412 being connected to mounting plate 120. It should be noted that, the battery 411 is detachably connected to the battery holder 412, so that the battery 411 can supply power to the motor 420 without an external power source, that is, without an external wired power source or power source equipment when the rail bottom milling machine 100 works, so that the rail bottom milling machine 100 can be suitable for various working environments, and the rail bottom milling machine 100 is more convenient and efficient. The battery 411 can be a rechargeable lithium battery, and by using the lithium battery as a power source, the rail bottom milling machine 100 has low working noise and the lithium battery can be recycled.
According to some embodiments of the present utility model, as shown in connection with fig. 1 and 3, the power plant 400 further comprises a reduction gearbox 440, the reduction gearbox 440 being connected between the output shaft of the motor 420 and the driving wheel 430. By arranging the reduction gearbox 440 between the output shaft of the motor 420 and the drive wheel 430, the rotational speed of the milling device 300 can be controlled. According to some embodiments of the present utility model, as shown in fig. 1 and 5, the milling device 300 includes a spindle 310, a bearing 320, a milling cutter 340, and a driven wheel 350, wherein the bearing 320 is fixed on the spindle 310 through a bearing seat 330, the spindle 310 is disposed through an inner ring of the bearing 320, and by disposing the bearing 320 on the spindle 310, an upper end part of the spindle 310 can be better positioned and supported, and the spindle 310 can be rotated more stably. In addition, the bearing mount 330 is snap-fit to the mounting plate 120, which facilitates securing the milling device 300 to the mounting plate 120.
The milling cutter 340 is connected with the spindle 310, the milling cutter 340 is used for milling the bottom of the steel rail 150, and the milling cutter 340 is detachably connected with the spindle 310, so that maintenance on the milling cutter 340 is facilitated. The driven wheel 350 is provided on the main shaft 310, and the driving wheel 430 transmits power to the driven wheel 350 through the transmission device 500, so that the milling device 300 integrally rotates, and then the rail 150 can be milled. In some examples, as shown in fig. 2, the transmission 500 may be a chain transmission, but is not limited thereto, e.g., the transmission 500 may also be a belt transmission.
According to some embodiments of the present utility model, as shown in connection with fig. 1, the locking device 200 includes a positioning hook 210, a locking block 220, and an adjusting screw 230. The positioning hook 210 is fixed to the frame 110, and the adjusting screw 230 can control the locking block 220 to be movable relative to the frame 110, and the locking block 220 is spaced apart from the positioning hook 210, so that the rail 150 can be positioned between the locking block 220 and the positioning hook 210. An adjusting screw 230 is mounted on the locking block 220 and can be used to adjust the distance of the locking block 220 from the positioning hook 210 to lock the rail 150. As shown in fig. 4, the positioning hooks 210 and the locking blocks 220 are provided at both ends of the frame 110, so that the rail 150 can be better fixed to the frame 110.
It will be appreciated that, as shown in fig. 1, the positioning hook 210 may be engaged with one end of the rail 150, the locking block 220 may be engaged with the other end of the rail 150, and the distance between the locking block 220 and the positioning hook 210 is adjusted by the adjusting screw 230, so as to lock the rail 150 between the positioning hook 210 and the locking block 220. After milling the steel rail 150, the locking device 200 is loosened by the adjusting screw 230, and the rail bottom milling machine 100 is moved to the joint of the next steel rail 150 for milling.
According to some embodiments of the present utility model, as shown in fig. 2-4, the adjusting screw 230 includes a force applying rod 231 and a bolt 232, the bolt 232 is disposed through the frame 110, and the bolt 232 is rotatable relative to the frame 110, and the force applying rod 231 is disposed through the bolt 232 to drive the bolt 232 to rotate. It will be appreciated that the rotation of the bolt 232 may cause the urging lever 231 to approach or separate from the frame 110, and when the urging lever 231 approaches the frame 110, the distance between the lock block 220 and the positioning hook 210 may be shortened; when the force application lever 231 is moved away from the housing 110, the distance between the locking block 220 and the positioning hook 210 is lengthened. By driving the bolt 232 to rotate using the force application lever 231, it is convenient to control the distance between the lock block 220 and the positioning hook 210.
According to some embodiments of the present utility model, the frame 110 includes a slider shaft 130 and at least one slider 140, and the mounting plate 120 is coupled to the slider 140. At least one sliding seat 140 is penetrating through the sliding block shaft 130, and the sliding seat 140 is movably arranged on the sliding block shaft 130. By connecting the mounting plate 120 with the slider 140, the slider 140 can be stably reciprocated in the horizontal direction on the slider shaft 130. Taking fig. 2 as an example, the mounting plate 120 is mounted on the upper ends of four sliding carriages 140, wherein two sliding carriages 140 are disposed on the same sliding block shaft 130 and move along the sliding block shaft 130; two other sliders 140 are provided on the other slider shaft 130 and move along the slider shaft 130. Alternatively, the mounting plate 120 may be mounted on one slider 140, and the slider 140 may be engaged with the two slider shafts 130 and moved along the two slider shafts 130. Of course, three carriages 140 may also be provided on one carriage shaft 130. The selection of the slide 140 and the slide shaft 130 can be based on the installation requirements of the mounting plate 120.
According to some embodiments of the present utility model, a feeding device 600 is further included, and as shown in connection with fig. 1, 3 and 4, the feeding device 600 includes a nut housing 610, a feed screw 620 and a hand wheel 630. The nut seat 610 is fixed on the mounting plate 120, the feed screw 620 is in threaded fit with the nut seat 610, the feed screw 620 is threaded through the nut seat 610, the feed screw 620 is movable relative to the nut seat 610, and the nut seat 610 drives the mounting plate 120 to move horizontally relative to the frame 110 by moving the feed screw 620 relative to the nut seat 610, so that the milling device 300 is fed toward the rail 150, and the feeding device 600 can control the milling device 300 to move horizontally.
Further, the feed screw 620 is disposed through the housing 110, a first end 621 of the feed screw 620 is outside the housing 110, a second end 622 of the feed screw 620 is inside the housing 110, and a hand wheel 630 is disposed on the first end 621 of the feed screw 620 for controlling the rotation of the feed screw 620. Here, the feed screw 620 may be a screw, but is not limited thereto.
It will be appreciated that rotation of the feed screw 620 may cause the nut seat 610 to approach or move away from the side plate of the housing 110, and that the milling device 300 may retract as the nut seat 610 approaches the side plate of the housing 110; when the nut seat 610 is moved away from the side plate of the housing 110, the milling device 300 is fed. Meanwhile, the first end 621 of the feed screw 620 is provided with a hand wheel 630 on the first end 621 outside the frame 110. In this way, a user can control the relative movement of the feed screw 620 with respect to the nut housing 610 via the hand wheel 630 from outside the housing 110. Thus, the likelihood of an accident to the user of the rail foot milling machine 100 is reduced, while the milling device 300 may mill the bottom surface of the rail 150 more smoothly by rotating the hand wheel 630 at even speeds.
The operation of the rail foot milling machine 100 to mill the bottom surface of the rail 150 is described as follows:
firstly, the joint of the steel rail 150 is confirmed, the steel rail 150 is fixed on the frame 110 through the locking device 200 of the rail bottom milling machine 100, then the rail bottom milling machine 100 acts, the milling device 300 starts to rotate, a user controls the milling device 300 to move towards the steel rail 150 through the hand wheel 630, the milling device 300 moves to the bottom surface of the steel rail 150 to mill the bottom surface of the steel rail 150, after milling is completed, the hand wheel 630 withdraws the milling device 300, and the rail bottom milling machine 100 is closed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A rail foot milling machine for milling a rail foot and comprising:
the device comprises a rack, wherein a mounting plate is arranged on the rack and is movably arranged on the rack;
the locking device is fixed on the frame and is used for fixing the steel rail on the frame;
the milling device is connected with the mounting plate, and the mounting plate drives the milling device to move below the locking device so as to mill the bottom of the steel rail;
and the power device is connected with the mounting plate and used for providing milling power for the milling device.
2. The rail foot milling machine of claim 1, further comprising a transmission connected between the milling device and the power device.
3. The rail foot milling machine of claim 2, wherein the power plant comprises:
the battery assembly is connected with the mounting plate;
the motor is electrically connected with the battery assembly, and the battery assembly supplies power for the motor;
the driving wheel is connected with an output shaft of the motor and is connected with one end of the transmission device.
4. The rail foot milling machine of claim 3 wherein the battery assembly further comprises a battery and a battery mount, the battery being mounted on the battery mount, the battery mount being coupled to the mounting plate.
5. A rail foot milling machine according to claim 3, wherein the power plant further comprises a reduction gearbox connected between the output shaft of the motor and the drive wheel.
6. A rail foot milling machine according to claim 3, wherein the milling device comprises:
a main shaft;
the bearing is fixed on the main shaft through a bearing seat, and the main shaft penetrates through the bearing inner ring;
the milling cutter disc is connected with the main shaft and is used for milling the bottom of the steel rail;
the driven wheel is arranged on the main shaft, and the driving wheel transmits power to the driven wheel through the transmission device.
7. The rail foot milling machine of claim 1, wherein the locking device comprises:
the positioning hook is fixed on the rack;
the locking block is movable relative to the frame, the locking block is spaced from the positioning hook, and the steel rail is positioned between the locking block and the positioning hook;
and the adjusting screw is arranged on the locking block and used for adjusting the distance between the locking block and the positioning hook so as to lock the steel rail.
8. The rail foot milling machine of claim 7, wherein the adjustment screw includes a force bar and a bolt, the bolt passing through the frame and the bolt being rotatable relative to the frame, the force bar passing through the bolt for driving the bolt to rotate.
9. The rail foot milling machine of claim 1 wherein the frame comprises a slider shaft and at least one slide, the mounting plate being connected to the slide;
at least one slide seat is arranged on the slide block shaft in a penetrating way, and the slide seat is movably arranged on the slide block shaft.
10. The rail foot milling machine of claim 1, further comprising a feed device comprising:
the nut seat is fixed on the mounting plate;
the feed screw rod is in threaded fit with the nut seat, penetrates through the nut seat and is movable relative to the nut seat, penetrates through the frame, the first end of the feed screw rod is arranged outside the frame, and the second end of the feed screw rod is arranged in the frame;
the hand wheel is arranged on the first end and used for controlling the rotation of the feed screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320149676.1U CN219342716U (en) | 2023-01-17 | 2023-01-17 | Rail bottom milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320149676.1U CN219342716U (en) | 2023-01-17 | 2023-01-17 | Rail bottom milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219342716U true CN219342716U (en) | 2023-07-14 |
Family
ID=87107275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320149676.1U Active CN219342716U (en) | 2023-01-17 | 2023-01-17 | Rail bottom milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219342716U (en) |
-
2023
- 2023-01-17 CN CN202320149676.1U patent/CN219342716U/en active Active
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