Steel rail grinding machine for railway maintenance

Abstract

The utility model relates to the technical field of railway maintenance, in particular to a steel rail grinding machine for railway maintenance, which comprises two steel rail bodies, a frame is arranged above the steel rail bodies, four wheels are rotatably connected to the inner wall of the frame, a grinding device is arranged on the surface of the frame, and the grinding device comprises a sliding rod fixedly connected with the inner wall of the frame. A sliding rod is arranged in the frame, a movable frame is connected to the surface of the sliding rod in a sliding mode, a first driving part is arranged between the frame and the movable frame, four sets of movable bases are connected to the inner wall of the movable frame in a sliding mode, and grinding heads are arranged in the movable bases. The two moving seats can be flexibly adjusted to drive the grinding head to make contact with a steel rail body, the moving frame can be controlled to move through the first driving part, the grinding head moves back and forth for grinding, multiple faces of the two steel rails can be efficiently ground, and the grinding efficiency during overall maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway maintenance technical field especially relates to a railway maintenance rail grinder. BACKGROUND

[0002] Railway is the important artery of traffic transportation, and the rail bears the huge pressure of train, frequent friction and the erosion of severe natural environment for a long time, and the moisture and oxygen in the natural environment can cause the rust and corrosion of the rail surface, reduce the strength and service life of the rail, and the rail is polished and maintained, and the grinder is used for polishing during polishing.

[0003] In daily work, it is found that the existing rail polishing device can only polish one surface of one rail at a time, and two complete rails usually have multiple surfaces to be polished, so that the staff has to repeatedly operate the polishing device to complete the polishing task of each surface one by one, and this single-surface polishing mode greatly increases the workload, greatly increases the labor intensity of the staff, and consumes a lot of time, which seriously slows down the overall polishing progress. UTILITARIAN CONTENT

[0004] The utility model aims at solving the problem of low polishing efficiency in the prior art and provides a rail grinder for railway maintenance.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rail grinder for railway maintenance, comprising two rail bodies, a frame is arranged above the rail body, four wheels are rotatably connected to the inner wall of the frame, a polishing device is arranged on the surface of the frame, the polishing device comprises a sliding rod fixedly connected with the inner wall of the frame, a moving frame is slidably connected to the surface of the sliding rod, a driving part one is arranged between the frame and the moving frame, four groups of moving seats are slidably connected to the inner wall of the moving frame, a polishing head is arranged in the moving seat, an installation part is arranged between the moving seat and the polishing head, and a driving part two is arranged between the moving frame and the moving seat.

[0006] A plurality of positioning assemblies are arranged on the surface of the frame, the positioning assembly comprises a gas cylinder fixed on the surface of the frame, a clamping plate is rotatably connected to the output end of the gas cylinder, the wheels are placed on the rail body through the above-mentioned parts, the clamping plate is moved by the gas cylinder when polishing is needed, the clamping plate is clamped on the rail body, then the driving part two drives the two moving seats and the polishing head to be clamped on the surface of the rail body, the moving frame is moved by the driving part one after clamping, the polishing head is controlled to move back and forth, and the particles on the polishing head can polish the impurities and rusted parts on the surface of the rail body.

[0007] Preferably, the driving part one comprises a transmission screw rotatably connected with the inner wall of the frame, the transmission screw is threadedly connected with the inner wall of the moving frame, the surface of the frame is fixedly connected with a driving motor, the driving motor is fixedly connected with one end of the transmission screw, through the above-mentioned components, the driving motor drives the transmission screw to rotate, the moving frame can be controlled to move, and the polishing head can be polished.

[0008] Preferably, the driving part two comprises an adjusting screw rotatably connected with the inner wall of the moving frame, the adjusting screw is threadedly connected with the inner wall of the two moving seats, the surface of the moving frame is fixedly connected with a control motor, and the output end of the control motor is fixedly connected with one end of the adjusting screw; through the above-mentioned components, the control motor can drive the adjusting screw to rotate, and the adjusting screw can control the two moving seats to drive the polishing head to contact the rail body.

[0009] Preferably, the positioning part comprises an insertion block fixed on the surface of the polishing head, the insertion block is inserted with the inner wall of the moving seat, the inner wall of the moving seat is provided with two bolts, and the bolts are threadedly connected with the inner wall of the insertion block; through the above-mentioned components, the polishing head can be installed on the moving seat through the cooperation of the bolts and the insertion block, and the polishing head is convenient to replace.

[0010] Preferably, the surface of the clamping plate is fixedly connected with a gasket, and through the above-mentioned components, the gasket can reduce the damage to the rail body and improve the stability.

[0011] Preferably, the inner wall of the clamping plate is slidably connected with an insertion rod, the output end surface of the air cylinder is provided with two insertion grooves, the insertion rod is inserted with the inner wall of the insertion groove, and through the above-mentioned components, the insertion rod cooperates with the two insertion grooves on the output end of the air cylinder, so that the clamping plate can be positioned at different positions.

[0012] Preferably, the surface of the insertion rod is sleeved with a spring, and the two ends of the spring are fixedly connected with the surfaces of the insertion rod and the clamping plate; through the above-mentioned components, the spring can control the insertion rod to reset, and the stability of the insertion rod is improved.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0014] In the utility model, through the setting of the polishing device, the control motor of the driving part two drives the adjusting screw to rotate, the two moving seats can be flexibly adjusted to drive the polishing head to contact the rail body, through the driving part one, the moving frame can be controlled to move, the polishing head can move back and forth to polish, two rails can be efficiently polished on multiple surfaces, and the polishing efficiency during overall maintenance is improved.

[0015] The utility model discloses a positioning assembly, and the cylinder drives the clamping plate to move, and the clamping plate is clamped with the rail body, and the gasket on the surface of the clamping plate reduces the damage to the rail and improves the stability, ensures that the position is fixed when polishing, makes the polishing more accurate, and the spring cooperation plug rod and the plug groove on the output end of the cylinder can adjust the position of the clamping plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the rail polisher for railway maintenance is provided in the utility model.

[0017] Figure 2 A sectional structure schematic diagram of the rail polisher for railway maintenance is provided in the utility model.

[0018] Figure 3 A polishing device structure schematic diagram of the rail polisher for railway maintenance is provided in the utility model.

[0019] Figure 4 A three-dimensional structure schematic diagram of the rail polisher for railway maintenance is provided in the utility model. Figure 3

[0020] Figure 5 An explosion structure schematic diagram of the positioning assembly of the rail polisher for railway maintenance is provided in the utility model.

[0021] LEGEND:

[0022] 1, rail body, 2, frame, 3, wheel, 4, polishing device, 41, sliding rod, 42, moving frame, 43, moving seat, 44, drive part one, 441, drive motor, 442, transmission screw, 45, drive part two, 451, control motor, 452, adjusting screw, 46, positioning assembly, 461, cylinder, 462, clamping plate, 463, spring, 464, plug rod, 465, gasket, 47, mounting part, 471, bolt, 472, plug block, 48, polishing head. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-5 The utility model provides a technical scheme: a rail polisher for railway maintenance, including two rail bodies 1, the top of rail body 1 is provided with frame 2, the inner wall of frame 2 is rotatably connected with four wheels 3, and the surface of frame 2 is provided with polishing device 4.

[0024] ​Specifically, the polishing device 4 comprises a sliding rod 41 fixedly connected with the inner wall of the frame 2, the surface of the sliding rod 41 is slidingly connected with a moving frame 42, the frame 2 is provided with a driving part one 44 between the frame 2 and the moving frame 42, the inner wall of the moving frame 42 is slidingly connected with four groups of moving seats 43, the moving seats 43 are provided with polishing heads 48, the moving seats 43 are provided with mounting parts 47 between the moving seats 43 and the polishing heads 48, and the moving frame 42 is provided with a driving part two 45 between the moving frame 42 and the moving seats 43.

[0025] The surface of the frame 2 is provided with a plurality of positioning assemblies 46, and the positioning assembly 46 comprises a pneumatic cylinder 461 fixed on the surface of the frame 2.

[0026] In the embodiment, the wheel 3 is placed on the steel rail body 1, when polishing is needed, the pneumatic cylinder 461 drives the clamping plate 462 to move, the clamping plate 462 is clamped on the steel rail body 1, then the driving part two 45 drives the two moving seats 43 and the polishing heads 48 to be attached to the surface of the steel rail body 1, after being attached, the driving part one 44 drives the moving frame 42 to move, and the polishing heads 48 are controlled to move back and forth, and the particles on the polishing heads 48 can polish the impurities and rusted parts on the surface of the steel rail body 1.

[0027] Specifically, the driving part one 44 comprises a transmission screw 442 rotatably connected with the inner wall of the frame 2, the transmission screw 442 is threadedly connected with the inner wall of the moving frame 42, the surface of the frame 2 is fixedly connected with a driving motor 441, and the driving motor 441 is fixedly connected with one end of the transmission screw 442.

[0028] In the embodiment, the driving motor 441 drives the transmission screw 442 to rotate, the moving frame 42 can be controlled to move, and the polishing heads 48 can be polished.

[0029] Specifically, the driving part two 45 comprises an adjusting screw 452 rotatably connected with the inner wall of the moving frame 42, the adjusting screw 452 is threadedly connected with the inner walls of the two moving seats 43, the surface of the moving frame 42 is fixedly connected with a control motor 451, and the output end of the control motor 451 is fixedly connected with one end of the adjusting screw 452, the control motor 451 can drive the adjusting screw 452 to rotate, and the adjusting screw 452 can control the two moving seats 43 to drive the polishing heads 48 to contact the steel rail body 1.

[0030] Specifically, the positioning part comprises an insertion block 472 fixed on the surface of the polishing head 48, the insertion block 472 is inserted into the inner wall of the moving seat 43, the inner wall of the moving seat 43 is provided with two bolts 471, and the bolts 471 are threadedly connected with the inner wall of the insertion block 472.

[0031] In the embodiment, the polishing heads 48 can be installed on the moving seats 43 through the cooperation of the bolts 471 and the insertion block 472, and the polishing heads 48 are convenient to replace.

[0032] Specifically, the surface of the clamping plate 462 is fixedly connected with the gasket 465, which can reduce damage to the rail body 1 and improve stability.

[0033] Specifically, the inner wall of the clamping plate 462 is slidingly connected with the insertion rod 464, and the output end surface of the air cylinder 461 is provided with two insertion slots, and the insertion rod 464 is inserted with the inner wall of the insertion slot.

[0034] In this embodiment: the insertion rod 464 cooperates with the two insertion slots on the output end of the air cylinder 461, which can position the clamping plate 462 at different positions.

[0035] Specifically, the surface of the insertion rod 464 is sleeved with the spring 463, and the two ends of the spring 463 are fixedly connected with the surface of the insertion rod 464 and the clamping plate 462, respectively. The spring 463 can control the reset of the insertion rod 464 and improve the stability of the insertion rod 464.

[0036] Working principle: when polishing is needed, first place the wheels 3 in the frame 2 on the rail body 1, which can be moved to the polishing area, the air cylinder 461 can drive the clamping plate 462 to move, the clamping plate 462 cooperates with the gasket 465 to clamp on the rail body 1, and the whole is positioned, then control the motor 451 can drive the adjusting screw 452 to rotate, the adjusting screw 452 can control two moving seats 43 to drive the polishing head 48 to contact with the rail body 1, open the drive motor 441, the drive motor 441 drives the transmission screw 442 to rotate, which can control the moving frame 42 to move back and forth on the slide rod 41, so that the polishing head 48 polishes, when the polishing head 48 needs to be replaced, only the bolt 471 is removed, the insertion block 472 is pushed out of the moving seat 43, and the polishing head 48 is replaced.

Claims

1. A rail grinder for railway maintenance, comprising two rail bodies (1), characterized in that: The upper part of the steel rail body (1) is provided with a frame (2), the inner wall of the frame (2) is rotatably connected with four wheels (3), the surface of the frame (2) is provided with a polishing device (4), the polishing device (4) comprises a sliding rod (41) fixedly connected with the inner wall of the frame (2), the surface of the sliding rod (41) is slidably connected with a moving frame (42), a driving part one (44) is arranged between the frame (2) and the moving frame (42), the inner wall of the moving frame (42) is slidably connected with four groups of moving seats (43), a polishing head (48) is arranged in the moving seat (43), an installation part (47) is arranged between the moving seat (43) and the polishing head (48), a driving part two (45) is arranged between the moving frame (42) and the moving seat (43). The surface of the frame (2) is provided with a plurality of positioning assemblies (46), the positioning assembly (46) comprises a pneumatic cylinder (461) fixed on the surface of the frame (2), the output end of the pneumatic cylinder (461) is rotatably connected with a clamping plate (462).

2. A rail grinder for railroad maintenance as defined in claim 1 wherein: The driving part one (44) comprises a transmission screw rod (442) rotatably connected with the inner wall of the frame (2), the transmission screw rod (442) is threadedly connected with the inner wall of the moving frame (42), the surface of the frame (2) is fixedly connected with a driving motor (441), one end of the driving motor (441) is fixedly connected with the transmission screw rod (442).

3. A rail grinder for railroad maintenance as defined in claim 1 wherein: The driving part two (45) comprises an adjusting screw rod (452) rotatably connected with the inner wall of the moving frame (42), the adjusting screw rod (452) is threadedly connected with the inner wall of the two moving seats (43), the surface of the moving frame (42) is fixedly connected with a control motor (451), the output end of the control motor (451) is fixedly connected with one end of the adjusting screw rod (452).

4. A rail grinder for railroad maintenance as defined in claim 1 wherein: The positioning assembly comprises an insertion block (472) fixed on the surface of the polishing head (48), the insertion block (472) is inserted with the inner wall of the moving seat (43), the inner wall of the moving seat (43) is provided with two bolts (471), the bolts (471) are threadedly connected with the inner wall of the insertion block (472).

5. A rail grinder for railroad maintenance as defined in claim 1 wherein: The surface of the clamping plate (462) is fixedly connected with a gasket (465).

6. A rail grinder for railroad maintenance as defined in claim 1 wherein: The inner wall of the clamping plate (462) is slidably connected with an insertion rod (464), the output end surface of the pneumatic cylinder (461) is provided with two insertion grooves, the insertion rod (464) is inserted with the inner wall of the insertion groove.

7. A rail grinder for use in rail maintenance as claimed in claim 6 wherein: The surface of the insertion rod (464) is sleeved with a spring (463), the two ends of the spring (463) are respectively fixedly connected with the surface of the insertion rod (464) and the clamping plate (462).

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