CN-122013615-A - Rail web polishing device used along railway

Abstract

The invention belongs to the technical field of rail polishing devices, and particularly relates to a rail web polishing device for a railway line, which comprises a walking frame and two polishing mechanisms positioned at the bottom of the walking frame, wherein each polishing mechanism comprises a polishing motor and a profiling grinding wheel, the polishing motor drives the profiling grinding wheel to rotate, the bottom of the walking frame is provided with a frame body, a U-shaped plate is connected in the frame body in a sliding manner, a rotating shaft is connected in the U-shaped plate in a rotating manner, the surface of the rotating shaft is fixedly connected with an L-shaped plate, the L-shaped plate is fixedly connected with the polishing motor, the surface of the rotating shaft is fixedly connected with two gears, and racks meshed with the gears are fixedly connected in the frame body. According to the invention, by adopting a technical means of matching the gear and the rack, the sliding of the U-shaped plate along the frame body is converted into the rotation of the rotating shaft, and the L-shaped plate and the polishing motor are driven to deflect by the rotation of the rotating shaft, so that the inclination angle of the profiling grinding wheel can be adaptively adjusted along with the height of the protrusion on the surface of the rail web, the contact area of the profiling grinding wheel and the protrusion is effectively increased, and the polishing is ensured to be full.

Inventors

• Hou Xunchao
• ZHOU ZONGFENG
• ZHANG QI
• GAO PENG
• CHEN GUANGLEI
• WANG HAITAO
• Ji Aiai
• XU QIANG
• SHI LEI

Assignees

• 淮北矿业股份有限公司

Dates

Publication Date

20260512

Application Date

20251215

Claims (8)

1. 1. The rail web polishing device for the railway line comprises a walking frame (1) and two polishing mechanisms positioned at the bottom of the walking frame, wherein each polishing mechanism comprises a polishing motor (37) and a profiling grinding wheel (39), the polishing motors (37) are used for driving the profiling grinding wheels (39) to rotate, and the rail web polishing device is characterized in that a frame body (3) is arranged at the bottom of the walking frame (1), a U-shaped plate (34) is connected in a sliding manner in the frame body (3), a rotating shaft (35) is connected in a rotating manner in the U-shaped plate (34), an L-shaped plate (36) is fixedly connected to the surface of the rotating shaft (35), the L-shaped plate (36) is fixedly connected with the polishing motors (37), two gears (4) are fixedly connected to the surface of the rotating shaft (35), racks (5) meshed with the gears (4) are fixedly connected in the frame body (3), the gears (4) are pushed to slide when the profiling grinding wheels (39) contact with the rail web bulges, and the gears (4) move synchronously along with the U-shaped plate (34), and the gears (4) are driven by the rotating shaft (35) through the action of the rotating shafts (35) to enable the gears (35) to rotate synchronously; The frame body (3) is connected to the bottom of the walking frame (1) in a sliding way.
2. 2. The rail web polishing device for the railway line according to claim 1, wherein the top of the walking frame (1) is fixedly connected with two electric push rods (2), and the output ends of the electric push rods (2) are fixedly connected with the frame body (3).
3. 3. The rail web polishing device for railway lines according to claim 1, wherein the two sides of the U-shaped plate (34) are fixedly connected with mounting blocks (32), and the inner wall of the frame body (3) is provided with mounting grooves (31) for the sliding of the mounting blocks (32).
4. 4. A rail web grinding device for a railway line according to claim 3, wherein the inner wall of the installation groove (31) is fixedly connected with a secondary spring (33), and one end of the secondary spring (33) far away from the inner wall of the installation groove (31) is fixedly connected with the installation block (32).
5. 5. A rail web grinding device for railway lines as claimed in claim 4, wherein the inner wall of the mounting groove (31) is provided with a trigger switch (6) matched with the mounting block (32), the trigger switch (6) is electrically connected with the electric push rod (2), the trigger switch (6) is contacted with the trigger switch (6) through the mounting block (32), and the trigger switch (6) sends an electric signal to the corresponding electric push rod (2).
6. 6. The rail web grinding device for railway lines according to claim 1, wherein the output end of the grinding motor (37) is provided with a rotating shaft (38), the bottom of the rotating shaft (38) is provided with an annular boss, the outer wall of the annular boss is fixedly connected with a plurality of steel balls (311), a settling tank (310) is arranged in a profiling grinding wheel (39), a connecting sleeve (312) is fixedly connected in the settling tank (310), a through groove matched with the rotating shaft (38) is arranged in the connecting sleeve (312), a matching groove (313) matched with the steel balls (311) is arranged in the connecting sleeve (312), an inverted T-shaped locking nut (316) is arranged in a threaded hole at the bottom of the profiling grinding wheel (39), a mounting shaft (317) is arranged in the inverted T-shaped locking nut (316), and a primary spring (314) is fixedly connected between the mounting shaft (317) and the rotating shaft (38).
7. 7. The rail web grinding apparatus for railway lines as claimed in claim 6, wherein each of the fitting grooves (313) includes a half-cylindrical hole and a half-spherical hole, which communicate, and the steel ball (311) is located in a corresponding half-cylindrical hole and half-spherical hole constituent region.
8. 8. The rail web polishing device for railway lines as claimed in claim 7, wherein the bottom end of the rotating shaft (38) is fixedly connected with an arc-shaped rod (315).

Description

Rail web polishing device used along railway Technical Field The invention belongs to the technical field of rail polishing devices, and particularly relates to a rail web polishing device used along a railway. Background The satellite remote sensing data of different sources, different time phases and different wave bands are integrated and fused, so that the key environment information such as the topography, the building distribution, the water body range and the like of the coal mine railway line is accurately extracted. And then, carrying out periodic dynamic tracking and monitoring on the railway environment along the line by using a professional image processing and classifying technology, and timely capturing the defects of abrasion, cracks and the like at the rail web part through the monitoring process. After the defects are found, the polishing device can be rapidly adjusted to conduct targeted polishing repair on the rail web defect area, so that safe and stable operation of the railway line is guaranteed. The patent application with the publication number of CN120250415A discloses a bilateral polisher for rail web of railway steel rail, which comprises a frame assembly, wherein the frame assembly comprises a frame and a universal elastic polishing assembly, the universal elastic polishing assembly comprises symmetrical grinding wheel supporting arms, the rear ends of the symmetrical grinding wheel supporting arms are respectively and rotationally connected with the frame, the front ends of the symmetrical grinding wheel supporting arms are respectively and bearing-connected with a transmission shaft, the symmetrical transmission shafts are respectively connected with a group of steel balls, the universal elastic polishing assembly further comprises symmetrical profiling grinding wheels, and connecting sleeves are respectively fixed in long counter bores of the symmetrical profiling grinding wheels. The double-side grinding machine for the rail web of the railway steel rail is suitable for steel rails with various specifications of 50kg/m-75kg/m, can automatically grind and remove rust on the rail web of the steel rail, and has the advantages of high grinding efficiency, safety, reliability, convenient operation, quick track feeding and high grinding precision. The universal elastic polishing assembly is arranged in the patent document, so that the profiling grinding wheel can be matched with the rail web to realize uniform polishing. However, in actual railway maintenance, the rail web surface can form bulges with obvious height difference due to long-term train load extrusion, metal fatigue deformation or uneven local abrasion, when the bulge height exceeds the self-adaptive range of the elastic assembly, the assembly is difficult to drive the profiling grinding wheel to completely attach to the bulge surface, only local contact can be formed, and finally uneven rail web polishing at the high bulge position is caused. Disclosure of Invention The invention aims to provide a rail web polishing device for a railway line, which is used for solving the problems in the background technology. The rail web polishing device for the railway comprises a walking frame and two polishing mechanisms positioned at the bottom of the walking frame, wherein each polishing mechanism comprises a polishing motor and a profiling grinding wheel, the polishing motors are used for driving the profiling grinding wheels to rotate, a frame body is arranged at the bottom of the walking frame, a U-shaped plate is connected in a sliding manner in the frame body, a rotating shaft is connected in a rotating manner, the surface of the rotating shaft is fixedly connected with an L-shaped plate, the L-shaped plate is fixedly connected with the polishing motors, two gears are fixedly connected with racks meshed with the gears in the frame body, the profiling grinding wheels push the U-shaped plate to slide when contacting with rail web bulges, the gears move synchronously along with the U-shaped plate, and the gears enable the rotating shaft to rotate through the meshing effect of the racks, so that the L-shaped plate drives the polishing motors to move synchronously; the frame body is connected to the bottom of the walking frame in a sliding way. Preferably, the top of the walking frame is fixedly connected with two electric push rods, and the output ends of the electric push rods are fixedly connected with the frame body. Preferably, the both sides of U shaped board all fixedly connected with installation piece, the mounting groove that supplies the installation piece to slide is seted up to the inner wall of support body. Preferably, the inner wall of the mounting groove is fixedly connected with a secondary spring, and one end of the secondary spring, which is far away from the inner wall of the mounting groove, is fixedly connected with the mounting block. Preferably, a trigger switch matched with the mounting block is mounte