CN114892459A - Small-size compact steel rail grinding maintenance vehicle - Google Patents

Small-size compact steel rail grinding maintenance vehicle Download PDF

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Publication number
CN114892459A
CN114892459A CN202210675737.8A CN202210675737A CN114892459A CN 114892459 A CN114892459 A CN 114892459A CN 202210675737 A CN202210675737 A CN 202210675737A CN 114892459 A CN114892459 A CN 114892459A
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CN
China
Prior art keywords
grinding
gear
brake
top surface
corner
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Pending
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CN202210675737.8A
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Chinese (zh)
Inventor
董雅文
陈馨乐
谢雨荷
郭晓月
朱怡琳
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Xian Polytechnic University
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Xian Polytechnic University
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Application filed by Xian Polytechnic University filed Critical Xian Polytechnic University
Priority to CN202210675737.8A priority Critical patent/CN114892459A/en
Publication of CN114892459A publication Critical patent/CN114892459A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02Working rail or other metal track components on the spot
    • E01B31/12Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding

Abstract

The invention discloses a small-size compact steel rail grinding maintenance vehicle which comprises a carriage bottom plate, wherein a vehicle frame is arranged at the bottom of the carriage bottom plate, and rear wheels A, rear wheels B, front wheels A and front wheels B are sequentially arranged at four corners of the bottom of the vehicle frame, wherein the rear wheels A and the rear wheels B are positioned at the bottom of the rear end of the vehicle frame, the front wheels A and the front wheels B are positioned at the bottom of the front end of the vehicle frame, double supports are arranged behind the vehicle frame, and the bottom of the vehicle frame is also provided with a walking device, a braking device matched with the walking device, a grinding device for grinding and maintaining a steel rail and a control platform positioned in the carriage. The invention solves the problems that the efficiency of steel rail grinding equipment in the prior art is relatively low, the running speed is low during grinding, the use and maintenance cost of the grinding equipment is high, and the steel rail in a large range cannot be maintained in time.

Description

Small-size compact steel rail grinding maintenance vehicle
Technical Field
The invention belongs to the technical field of rail grinding, and particularly relates to a small-size compact rail grinding maintenance vehicle.
Background
The steel rail is used as a main part of railway traffic and urban rail traffic of various countries, and plays an important role in traffic operation. After long-time operation of the steel rail, due to various factors such as dynamic stress, stress caused by deformation and corrosion of the steel rail, invasion of foreign objects (such as ballast and metal parts) of wheels, slipping of axles and the like, various diseases such as abrasion burrs, chipping and cracking, indentation and rail head cracking can be generated on the surface of the steel rail.
The existing small-sized steel rail polishing machine has the defects of low efficiency, high labor intensity and large fatigue damage to human bodies. The small-size rail polisher adopts artifical gripping to control the polisher, adjusts the angle and the position of emery wheel through rotating the hand wheel, thereby easily produces the error and harms the rail, rotates the hand wheel repeatedly and promotes to polish and go forward and make intensity of labour increase, has great damage to the human body, and can only polish to the rail of minimality within a definite time.
The existing large-scale steel rail grinding train has the problems of high cost, large volume and mass and heavier weight. Due to high cost and heavy size, the number of grinding trains is limited, the grinding maintenance of the steel rail needs to be carried out at long intervals in order to grind the steel rail relatively well, the grinding amount is relatively large each time, and the running speed of the trains is relatively low during grinding. The running speed of the PGM-48 steel rail grinding vehicle is only 7km/h during grinding, and the running speed of the more advanced GMC-96X steel rail grinding vehicle is only 15km/h during grinding. So that a considerable part of the steel rails cannot be maintained in time, which is not beneficial to the service life of the steel rails. And when the short-distance steel rail needs to be polished, resources are wasted due to the use of the polishing train. There is therefore a great need for a rail grinding apparatus which combines high efficiency with relative lightness to solve the above problems.
Disclosure of Invention
The invention aims to provide a small-size compact steel rail grinding maintenance vehicle, which solves the problems that in the prior art, steel rail grinding equipment is low in efficiency, low in running speed during grinding, high in using and maintaining cost of the grinding equipment and incapable of maintaining steel rails in a large range in time.
The invention adopts the technical scheme that the small-size compact steel rail grinding maintenance vehicle comprises a carriage bottom plate, wherein a vehicle frame is arranged at the bottom of the carriage bottom plate, and rear wheels A, rear wheels B, front wheels A and front wheels B are sequentially arranged at four corners of the bottom of the vehicle frame, wherein the rear wheels A and the rear wheels B are positioned at the bottom of the rear end of the vehicle frame, the front wheels A and the front wheels B are positioned at the bottom of the front end of the vehicle frame, a double support is arranged behind the vehicle frame, and the bottom of the vehicle frame is also provided with a walking device, a braking device matched with the walking device and a grinding device for grinding and maintaining a steel rail.
The present invention is also characterized in that,
the specific structure of the walking device is as follows: the driving motor is connected with a motor main shaft, the motor main shaft passes through two bearings A and then is in key connection with a reducer input gear, the bearings A are fixed with a reducer shell, the left half part of a reducer primary gear has the same thickness with the reducer input gear, the right half part of the reducer primary gear is a wide gear, the reducer input gear is in gear fit meshing with the left half part of the reducer primary gear, the number of teeth of the reducer input gear is less than that of the reducer primary gear, the reducer primary gear is sleeved on a reducer gear shaft and is in key connection with the reducer gear shaft, the bearings A are sleeved at two ends of the reducer gear shaft and are fixed on the shell, the wide gear of the right half part of the reducer primary gear is in gear fit meshing with a reducer secondary output gear, the number of teeth of the reducer primary gear wide gear part is less than that of the reducer secondary output gear, and the secondary speed reduction effect is achieved, the secondary output gear of the speed reducer is in key connection fit with the output shaft of the speed reducer, one end of the output shaft of the speed reducer, extending out of a shell of the speed reducer, is connected with one end of the universal transmission sleeve through a cross shaft as a joint, the other end of the universal transmission sleeve is in spline connection with the universal transmission spline rod, the universal transmission spline rod is connected with the input shaft of the differential mechanism through a cross shaft, the input shaft of the differential mechanism is in key connection with the input bevel gear of the differential mechanism, the input bevel gear of the differential mechanism is meshed with one end of the bevel gear, the other end of the bevel gear is in key connection fit with the output shaft of the differential mechanism, an extending part is further arranged on the bevel gear and connected with a planetary gear, the output bevel gear of the differential mechanism is meshed with a planetary gear, the output bevel gear of the differential mechanism is in key connection fit with a short shaft, and the input shaft of the differential mechanism and the output shaft of the differential mechanism are connected with the shell through a bearing B. The two frames are distributed on two sides of the carriage bottom plate, the upper part of the frame is fixedly connected with the carriage bottom plate, and the lower part of the frame is respectively connected with the front wheel A, the front wheel B, the rear wheel A and the rear wheel B through bearings; the frame below is equipped with the dead lever, through bolted connection, 4 dead levers of two frame commons are further remain stable, 4 dead levers use the dead lever connecting piece to link firmly together at the end, 6 damping spring fix at the frame middle part, 12 damping spring are placed altogether at two frame middle parts, damping spring upper portion links firmly with the damping beam, there is the boss to be connected with the carriage bottom plate in the middle of the damping beam top, above-mentioned frame, front wheel A, front wheel B, rear wheel A, rear wheel B, the dead lever connecting piece, damping spring, this little volume compact steel rail is polished and is maintained the chassis of car jointly to damping beam and carriage bottom plate.
The specific structure of the polishing device is as follows: the grinding device comprises a top surface grinding part and a side surface grinding part which are positioned at the bottom of the carriage bottom plate.
The top surface grinding part comprises two top surface grinding devices, and two top surface grinding devices structure is the same completely, and every top surface grinding device concrete structure does: the top surface polishing part fixing plate is positioned at the bottom of the carriage bottom plate and is fixedly connected with the carriage bottom plate through a bolt, the top surface polishing device sliding table is fixedly connected with the top surface polishing part fixing plate through a bolt, the top surface polishing device sliding table is connected with the top surface polishing device sliding plate through a sliding chute, the upper parts of four polishing head feeding connecting rods are hinged with the top surface polishing device sliding plate, the lower parts of the four polishing head feeding connecting rods are hinged with a top surface polishing head feeding support, the top surface polishing device sliding plate is hinged with a hydraulic cylinder, a hydraulic piston rod is hinged with the top surface polishing head feeding support, the hydraulic cylinder is sleeved on the hydraulic piston rod, wherein the hydraulic cylinder and the hydraulic piston rod form hydraulic transmission, the top surface grinding device sliding plate, the grinding head feeding connecting rod and the top surface grinding head feeding support form a parallelogram, the top surface grinding device sliding plate is parallel to the top surface grinding head feeding support, and the grinding head feeding connecting rods are parallel to each other. The relative motion between the hydraulic piston rod and the hydraulic cylinder enables the feeding connecting rod of the polishing head to incline so as to adjust the distance between the sliding plate of the top surface polishing device and the feeding bracket of the polishing head, the corner motor is fixedly connected with the feeding bracket of the top surface polishing head, the corner secondary reduction gear of the polishing head is fixedly connected with the corner fixing plate, the corner fixing plate is fixedly connected with the fixing chassis of the polishing motor, the polishing motor is fixedly connected with the fixing chassis of the polishing motor, two sides of the fixing chassis of the polishing motor are hinged with the feeding bracket of the top surface polishing head, so that the fixing chassis of the polishing motor rotates relative to the feeding bracket of the top surface polishing head, the rotation of the corner motor enables the corner gear of the polishing head to drive the corner primary reduction gear set of the polishing head to rotate, the corner primary reduction gear set of the polishing head drives the corner secondary reduction gear of the polishing head to rotate, and the corner secondary reduction gear of the polishing head is fixedly connected with the corner fixing plate, thereby corner fixed plate links firmly mutually through the bolt again with grinding motor fixed chassis and drives when rotating and rotate and make the corner fixed plate, and grinding motor fixed chassis rotates, has linked firmly a pair of lead screw motor above the top surface grinding device slip table, every lead screw motor's output shaft all with the lead screw connection of place side.
The side grinding part comprises two side grinding devices, the two side grinding devices have the same structure, and each side grinding device has the specific structure that: the side surface polishing part fixing plate is fixedly connected with the carriage bottom plate through a bolt, a side surface polishing device sliding table is fixedly connected with the side surface polishing part fixing plate through a bolt, a side surface polishing device sliding plate is connected with the side surface polishing device sliding table through a sliding chute, the side surface polishing device sliding plate is hinged with the upper parts of four polishing head feeding connecting rods, the lower parts of the four polishing head feeding connecting rods are hinged with a side surface polishing head feeding support, the side surface polishing device sliding plate is also hinged with a hydraulic cylinder, the hydraulic cylinder piston rod is hinged with a side surface polishing head feeding support, the hydraulic cylinder is sleeved on the hydraulic cylinder piston rod, the hydraulic cylinder and the hydraulic cylinder piston rod form hydraulic transmission, the side surface polishing device sliding plate, the polishing head feeding connecting rod and the side surface polishing head feeding support form a parallelogram, the side surface polishing device sliding plate and the side surface polishing head feeding support are parallel to each other, and the polishing head feeding connecting rods are parallel to each other, through the relative motion between the hydraulic piston rod and the hydraulic cylinder, the feeding connecting rod of the polishing head is inclined so as to adjust the distance between the sliding plate of the side polishing device and the feeding bracket of the side polishing head. The corner motor is fixedly connected with a side polishing head feeding bracket, a polishing head corner secondary reduction gear is fixedly connected with a corner fixing plate, the corner fixing plate is fixedly connected with a polishing motor fixing chassis, the polishing motor fixing chassis is hinged with the side polishing head feeding bracket at two sides so that the polishing motor fixing chassis rotates relative to the side polishing head feeding bracket, the polishing head corner gear drives a polishing head corner primary reduction gear set to rotate due to rotation of the corner motor, the polishing head corner primary reduction gear set drives a polishing head corner secondary reduction gear to rotate, the polishing head corner secondary reduction gear is fixedly connected with the corner fixing plate so that the corner fixing plate and the polishing motor fixing chassis rotate, and further drives the polishing motor to deflect angles, so that a polishing grinding wheel is subjected to angle deflection; two sides of the sliding table of the side grinding device are respectively fixed with two lead screw motors, and each lead screw motor is connected with one lead screw.
The brake device has the specific structure that: the brake device comprises a front wheel brake part and a rear wheel brake part which are symmetrical, and the brake device comprises a brake rod, wherein the hinged point of the brake rod is hinged with a carriage bottom plate, the tail end of the lower part of the brake rod is sleeved on a brake sleeve B, the brake sleeve B is hinged with a brake sleeve C, the brake sleeve C is sleeved on a brake sleeve A, the brake sleeve A is sleeved on a brake frame, the brake frame is hinged with a brake connecting rod, the support is L-shaped, the horizontal part of the lower part of the support is placed in a brake sliding groove and fixedly connected with the brake sliding groove, the lower end of the brake frame is sleeved on the vertical part of the top of the support, and a reset spring is sleeved on the vertical part in the middle of the support, wherein the length of the reset spring is smaller than that of the vertical part of the support, so that the lower end of the brake frame is contacted with the reset spring. The left end of the brake connecting rod is provided with a brake pad, the right end of the brake pad is hinged with the brake connecting rod, the right end of the brake pad is hollow and is sleeved on the part, extending out of the brake sliding groove, of the horizontal part of the lower part of the support, and the brake pad is opposite to the side face of the wheel pair.
The small-size compact steel rail grinding maintenance vehicle has the advantages that compared with the existing large-scale equipment, the small-size compact steel rail grinding maintenance vehicle greatly reduces cost, is compact in structure, small in size and light in weight, and can improve the running speed and efficiency of the grinding equipment; compared with the existing small-sized equipment, the steel rail maintenance efficiency is greatly improved, and the labor capacity of workers is also reduced, so that the damage of the grinding operation to the human body is avoided. The large-scale use of the rail grinding wagon can ensure that the rails on large-scale road sections can be maintained in time; meanwhile, the grinding frequency can be improved by reducing the single grinding amount, so that the large-scale steel rail can be timely ground and maintained, and the service life of the steel rail is further prolonged. Compared with a large-scale steel rail grinding train, the rail grinding machine has low cost and is relatively flexible. The rail maintenance operation can be completed by one rail maintenance polishing device in a large number of short-distance road sections, and the maintenance of a large rail polishing train in the short-distance road sections is heavy and wastes energy. The small-size compact steel rail grinding maintenance vehicle can be used for grinding different damage conditions of all sections of steel rails simultaneously in a medium-long distance section, the speed and the quality of grinding maintenance of the steel rails are guaranteed at relatively low cost, the efficiency is improved, and the long-distance undifferentiated grinding of the existing large steel rail grinding vehicle possibly has the condition that the grinding of the steel rails of partial sections is insufficient or excessive.
Drawings
FIG. 1 is an overall schematic view of a small-size compact steel rail grinding maintenance vehicle.
FIG. 2 is a schematic structural view of a roof polishing device for polishing and maintaining a small-sized compact steel rail according to the present invention.
FIG. 3 is a schematic structural diagram of a corner portion of the roof polishing device for polishing and maintaining the small-sized compact steel rail.
FIG. 4 is a schematic top view of the polishing device for the top surface of the small-sized compact steel rail polishing maintenance vehicle according to the present invention.
FIG. 5 is a schematic structural view of a top surface grinding part of the small-size compact steel rail grinding maintenance vehicle.
FIG. 6 is a schematic structural view of a side grinding device of a small-size compact steel rail grinding maintenance vehicle.
Fig. 7 is a schematic view of the bottom structure of the side surface grinding device of the small-sized compact steel rail grinding maintenance vehicle.
FIG. 8 is a schematic view of a corner portion structure of a side grinding device of a small-size compact steel rail grinding maintenance vehicle according to the present invention
FIG. 9 is a schematic view of the side grinding part of the small compact steel rail grinding maintenance vehicle of the present invention
FIG. 10 is a schematic structural view of a small-size compact braking device of a steel rail grinding maintenance vehicle.
FIG. 11 is a schematic structural view of a walking device of a small-size compact steel rail grinding maintenance vehicle.
Fig. 12 is a schematic view of the bottom structure of the small-volume compact steel rail grinding maintenance vehicle.
Wherein, 1, a carriage bottom plate, 2, a rear protective cover, 3, a side surface polishing part fixing plate, 4, a rear wheel A, 5, a polishing wheel, 6, a corner motor, 7, a differential mechanism, 8, a polishing motor, 9, a rear wheel B, 10, a universal transmission mechanism, 11, a reducer shell, 12 driving motors, 13, a front wheel A, 14, a top surface polishing head feeding bracket, 15, a hydraulic piston rod, 16, a polishing motor fixing chassis, 17, a lead screw, 18, a lead screw motor, 19, a front protective cover, 20, a hydraulic cylinder, 21, a front wheel B, 22, a top surface polishing part fixing plate, 23, a top surface polishing device sliding plate, 24, a frame, 25, a braking device, 26, a damping spring, 27, a carriage shell, 28, a polishing head feeding connecting rod, 29, a polishing motor spindle, 30, a polishing head corner primary reducing gear group, 31, a polishing head corner gear, 32, a polishing head corner secondary reducing gear, 33. an angle fixing plate, 34, a top surface grinding device sliding table, 35, a side grinding head feeding support, 36, a side grinding device sliding plate, 37, a side grinding device sliding table, 38, a grinding wheel housing, 39, a brake pad, 40, a brake sliding groove, 41, a brake connecting rod, 42, a return spring, 43, a support, 44, a brake lever, 45, a brake sleeve A, 46, a brake sleeve B, 47, a brake sleeve C, 48, a brake frame, 49, a bearing A, 50, a reducer gear shaft, 51, a reducer primary gear, 52, a cross shaft, 53, a universal transmission sleeve, 54, a bevel gear, 55, a short shaft, 56, a bearing B, 57, a motor main shaft, 58, a reducer input gear, 59, a reducer secondary output gear, 60, a reducer output shaft, 61, a universal transmission spline shaft, 62, a differential input shaft, 63, a differential input bevel gear, 64. differential output bevel gear, 65 planetary gears, 66 bearings C, 67 fixed rod connectors, 68 damping beams, 69 fixed rods.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a small-size compact steel rail grinding maintenance vehicle, which is structurally shown in figure 1 and comprises a carriage bottom plate 1, wherein a vehicle frame 24 is arranged at the bottom of the carriage bottom plate 1, rear wheels A4, a rear wheel B9, a front wheel A13 and front wheels B21 are sequentially arranged at four corners of the bottom of the vehicle frame 24, wherein the rear wheels A4 and the rear wheels B9 are positioned at the bottom of the rear end of the vehicle frame 24, the front wheels A13 and the front wheels B21 are positioned at the bottom of the front end of the vehicle frame 24, double supports are arranged behind the vehicle frame 24 and abut against two sides of the wheels, relative to the single supports, a short shaft 55 only bears bending moment within a small distance in the double supports, the short shaft 55 part in the double supports only bears small bending moment, and the short shaft 55 used by the rear wheels A4 and the rear wheels B9 only bears the action of power torque at the parts outside the double supports. The bottom of the frame 24 is also provided with a running gear, a braking device matched with the running gear and a grinding device for grinding and maintaining the steel rail.
As shown in fig. 1, 11 and 12, the specific structure of the running gear is as follows: driving motor 12 connects motor spindle 57, motor spindle 57 passes behind two bearing A49 and passes through the key-type connection with reduction gear input gear 58, bearing A49 is fixed with reduction gear housing 11, bearing A49 plays the effect of remain stable, reduction gear one-level gear 51 left half is the same with reduction gear input gear 58 thickness, reduction gear one-level gear 51 right half is wide gear, reduction gear input gear 58 passes through gear fit meshing with reduction gear one-level gear 51 left half, reduction gear input gear 58's the number of teeth is less than reduction gear one-level gear 51 number of teeth, play the effect of one-level speed reduction. The reducer first-stage gear 51 is sleeved on the reducer gear shaft 50 and is in key connection with the reducer gear shaft 50, bearings A49 are sleeved at two ends of the reducer gear shaft 50 and fixed on a shell, a right half part wide gear of the reducer first-stage gear 51 is in matched meshing with a reducer second-stage output gear 59 through gears, the number of teeth of the wide gear part of the reducer first-stage gear 51 is smaller than that of the reducer second-stage output gear 59, so that a second-stage speed reduction effect is achieved, the reducer second-stage output gear 59 is in key connection and matching with a reducer output shaft 60, one end, extending out of the reducer shell 11, of the reducer output shaft 60 is connected with one end of a universal transmission sleeve 53 through a cross shaft 52, the other end of the universal transmission sleeve 53 is connected with a universal transmission spline rod 61 through a spline, and when relative movement is generated between the reducer output shaft 60 and a differential input shaft 62 due to slight vibration of equipment during rail operation, can ensure the stable transmission of the running gear. The universal transmission spline rod 61 is connected with the differential input shaft 62 through the cross shaft 52, the differential input shaft 62 is connected with the differential input bevel gear 63 through a key, the differential input bevel gear 63 is meshed with one end of the bevel gear 54, the other end of the bevel gear 54 is connected with the differential output shaft 61 through a key, the bevel gear 54 is also provided with an extending part which is connected with the planetary gear 65, the differential output bevel gear 64 is meshed with the planetary gear 71, the differential output bevel gear 64 is connected with the short shaft 55 through a key, when the differential input shaft 62 rotates, the differential input bevel gear 63 rotates the bevel gear 54, thereby rotating the planet gears 65 about the differential output shaft 61, further, the differential output bevel gear 64 engaged with the planetary gear 65 is rotated, and finally the differential output shaft 61 rotates the rear wheels a4 and B9. The differential input shaft 62 and the differential output shaft 61 are connected to the housing of the differential 7 via a bearing B56. The two frames 24 are distributed on two sides of the carriage bottom plate 1, the upper part of each frame 24 is fixedly connected with the carriage bottom plate 1, and the lower part of each frame 24 is respectively connected with a front wheel A13, a front wheel B21, a rear wheel A4 and a rear wheel B9 through bearings; the fixed rods 69 are arranged below the frame 24 and connected through bolts, the two frames 24 share 4 fixed rods 69 to further maintain stability, the 4 fixed rods 69 are fixedly connected together at the tail ends by using the fixed rod connecting pieces 67, the 6 damping springs 26 are fixed in the middle of the frame 24, the 12 damping springs 26 are arranged in the middle of the two frames 24, the upper parts of the damping springs 26 are fixedly connected with the damping beams 68, round bosses are arranged above the middle of the damping beams 68 and connected with the carriage bottom plate 1, and the damping beams 68 play a damping role, and the frame 24, the front wheel A13, the front wheel B21, the rear wheel A4, the rear wheel B9, the fixed rods 69, the fixed rod connecting pieces 67, the damping springs 26, the damping beams 68 and the carriage bottom plate 1 jointly form the chassis of the small-size compact steel rail grinding maintenance vehicle.
As shown in fig. 2, 3, 4, 5, 6, 7, 8, and 9, the polishing device has a specific structure: including a top side grinding portion and a side grinding portion at the bottom of the bed plate 1.
As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the top surface polishing part comprises two top surface polishing devices, the two top surface polishing devices have the same structure, and each top surface polishing device has the following specific structure: the top surface grinding part fixing plate 22 is positioned at the bottom of the carriage bottom plate 1 and is fixedly connected with the carriage bottom plate 1 through bolts, the top surface grinding device sliding table 34 is fixedly connected with the top surface grinding part fixing plate 22 through bolts, the top surface grinding device sliding table 34 is connected with the top surface grinding device sliding plate 23 through a sliding groove, the upper parts of four grinding head feeding connecting rods 28 are hinged with the top surface grinding device sliding plate 23, the lower parts of the four grinding head feeding connecting rods 28 are hinged with the top surface grinding head feeding support 14, the top surface grinding device sliding plate 23 is hinged with a hydraulic cylinder 20, the hydraulic piston rod 15 is hinged with the top surface grinding head feeding support 14, the hydraulic cylinder 20 is sleeved on the hydraulic piston rod 15, wherein the hydraulic cylinder 20 and the hydraulic piston rod 15 form hydraulic transmission, the top surface grinding device sliding plate 23, the grinding head feeding connecting rods 28 and the top surface grinding head feeding support 14 form a parallelogram, and the top surface grinding head feeding support 14 and the top surface grinding head feeding support 23 are parallel to each other, the sanding head feed links 28 are parallel to each other. The polishing head feed link 28 is inclined by the relative movement between the hydraulic piston rod 15 and the hydraulic cylinder 20 to adjust the distance between the top surface polishing device slide plate 23 and the polishing head feed bracket 14, and the height of the top surface polishing head feed bracket 14 is adjusted by the relative movement between the hydraulic piston rod 15 and the hydraulic cylinder 20 while the top surface polishing head feed bracket 14 is kept in a horizontal state all the time, thereby adjusting the feed of the grinding wheel 5. As shown in fig. 3, an angle motor 6, a grinding head angle gear 31, a grinding head angle primary reduction gear set 30 and a grinding head angle secondary reduction gear 32 are arranged on the top surface grinding head feeding bracket 14, the angle motor 6 is fixedly connected with the top surface grinding head feeding bracket 14, the grinding head angle secondary reduction gear 32 is fixedly connected with an angle fixing plate 33, the angle fixing plate 33 is fixedly connected with a grinding motor fixing chassis 16, a grinding motor 8 is fixedly connected with the grinding motor fixing chassis 16, two sides of the grinding motor fixing chassis 16 are hinged with the top surface grinding head feeding bracket 14 to enable the grinding motor fixing chassis 16 to rotate relative to the top surface grinding head feeding bracket 14, the rotation of the angle motor 6 enables the grinding head angle gear 31 to drive the grinding head angle primary reduction gear set 30 to rotate, and simultaneously perform primary speed reduction, the grinding head angle primary reduction gear set 30 drives the grinding head secondary reduction gear set 32 to rotate, and simultaneously, secondary speed reduction is carried out, the grinding head corner secondary speed reduction gear 32 is fixedly connected with the corner fixing plate 33, the corner fixing plate 33 is fixedly connected with the grinding motor fixing chassis 16 through bolts, so that when the corner fixing plate 32 rotates, the corner fixing plate 33 is driven to rotate, the grinding motor fixing chassis 16 rotates, and then the grinding motor 8 is driven to deflect at an angle, so that the grinding wheel 5 is deflected at an angle. As shown in fig. 5, a pair of lead screw motors 18 is fixedly connected to the top surface polishing device sliding table 34, an output shaft of each lead screw motor 18 is connected with a lead screw 17 on the side where the lead screw motor 18 is located, and the two lead screw motors 18 synchronously rotate to drive the two lead screws 17 to rotate, so that the top surface polishing device sliding plate 23 slides relative to the top surface polishing device sliding table 34, and the position of a grinding wheel 5 of a single top surface polishing device is adjusted. Through pneumatic cylinder 20, the feed of the hydraulic drive adjustment grinding wheel 5 that hydraulic piston rod 15 is constituteed, through corner motor 6, the angle deflection of the first-order reduction gear train of grinding head corner 30, grinding head corner gear 31, the angle deflection system adjustment grinding wheel 5 that grinding head corner second grade reduction gear 32 is constituteed, adjust the position of grinding wheel 5 through lead screw motor 18 and lead screw 17, above-mentioned 3 kinds of regulative modes make top surface grinding device can carry out the polishing of various angles of various degrees to the rail top surface in certain extent, thereby satisfy multiple rail and polish and maintain the operation demand. As shown in fig. 5, two top surface grinding devices constitute a top surface grinding part, and can grind the top surface at different degrees at the same time specifically aiming at different conditions of the steel rails at two sides.
As shown in fig. 6, 7, 8 and 9, the side surface grinding part is composed of two side surface grinding devices, the two side surface grinding devices have the same structure, and each side surface grinding device has the following specific structure: the side surface polishing part fixing plate 3 is fixedly connected with the carriage bottom plate 1 through bolts, a side surface polishing device sliding table 37 is fixedly connected with the side surface polishing part fixing plate 3 through bolts, a side surface polishing device sliding plate 36 is connected with the side surface polishing device sliding table 37 through a sliding groove, the side surface polishing device sliding plate 36 is hinged with the upper parts of four polishing head feeding connecting rods 28, the lower parts of the four polishing head feeding connecting rods 28 are hinged with a side surface polishing head feeding support 35, the side surface polishing device sliding plate 36 is further hinged with a hydraulic cylinder 20, the hydraulic cylinder 15 is hinged with the side surface polishing head feeding support 35, the hydraulic cylinder 20 is sleeved on the hydraulic cylinder 15, wherein the hydraulic cylinder 20 and the hydraulic cylinder 15 form hydraulic transmission, the side surface polishing device sliding plate 36, the polishing head feeding connecting rod 28 and the side surface polishing head feeding support 35 form a parallelogram, and the side surface polishing device sliding plate 36 and the side surface polishing head feeding support 35 are parallel to each other, the sanding head feed links 28 are parallel to each other. The sanding head feed link 28 is tilted by relative movement between the hydraulic piston rod 15 and the hydraulic cylinder 20 to adjust the distance between the side sanding device slide 36 and the side sanding head feed carriage 35. The relative movement between the hydraulic piston rod 15 and the hydraulic cylinder 20 adjusts the height of the side sanding head feed bracket 35 while keeping the side sanding head feed bracket 35 always in a horizontal state, thereby adjusting the feed of the grinding wheel 5. As shown in fig. 8, an angle motor 6, a grinding head angle gear 31, a grinding head angle primary reduction gear set 30 and a grinding head angle secondary reduction gear 32 are arranged on a side grinding head feeding bracket 35, the angle motor 6 is fixedly connected with the side grinding head feeding bracket 35, the grinding head angle secondary reduction gear 32 is fixedly connected with an angle fixing plate 33, the angle fixing plate 33 is fixedly connected with a grinding motor fixing chassis 16, a grinding motor 8 is fixedly connected with the grinding motor fixing chassis 16, the grinding motor fixing chassis 16 is hinged with the side grinding head feeding bracket 35 at two sides to enable the grinding motor fixing chassis 16 to rotate relative to the side grinding head feeding bracket 35, the rotation of the angle motor 6 enables the grinding head angle gear 31 to drive the grinding head angle primary reduction gear set 30 to rotate, and simultaneously, the primary speed reduction is carried out, the grinding head angle primary reduction gear set 30 drives the grinding head angle secondary reduction gear set 32 to rotate, meanwhile, secondary speed reduction is carried out, the grinding head corner secondary speed reduction gear 32 is fixedly connected with the corner fixing plate 33, so that the corner fixing plate 33 and the grinding motor fixing chassis 16 rotate, the grinding motor 8 is driven to deflect at an angle, and the grinding wheel 5 is enabled to deflect at the angle; as shown in fig. 9, two lead screw motors 18 are fixed on both sides of the sliding table 37 of the side grinding device, and each lead screw motor 18 is connected with one lead screw 17. The two lead screw motors 18 on one side rotate synchronously to drive the two lead screws 17 to rotate synchronously, so that the side surface grinding device sliding plate 36 slides relative to the side surface grinding device sliding table 37, and the position of the grinding wheel 5 of the single side surface grinding device is adjusted. Through pneumatic cylinder 20, the feed of the hydraulic drive adjustment grinding wheel that hydraulic piston rod 15 constitutes, through corner motor 6, the angle deflection system adjustment grinding wheel 5 that the first-class reduction gear set of grinding head corner 30, the grinding head corner gear 31, the grinding head corner second grade reduction gear 32 constitutes deflects, adjust the position of grinding wheel 5 through lead screw motor 18 and lead screw 17, above-mentioned 3 kinds of regulative modes make side grinding device can carry out the polishing of various angles of various degrees to the rail side in certain extent, thereby satisfy multiple rail and polish and maintain the operation demand. Two side grinding device constitute the side part of polishing, can carry out the polishing of while, not equidimension to the side specifically to the different condition of both sides rail.
As shown in fig. 10, the specific structure of the braking device is as follows: the brake device comprises a front wheel brake part and a rear wheel brake part which are symmetrical, and comprises a brake rod 44, wherein the hinged point of the brake rod 44 is hinged with a carriage bottom plate 1, the lower end of the brake rod 44 is sleeved on a brake sleeve B46, when the upper part of the brake rod 44 is pulled backwards, the hinged point of the brake rod 44 is hinged with the carriage 1, the lower end of the brake rod 44 moves downwards, the brake sleeve B46 is pressed to move downwards while the brake sleeve B46 moves, the brake sleeve B46 is hinged with a brake sleeve C47, the brake sleeve C47 also moves downwards after being pressed by the brake sleeve B46, the brake sleeve C47 is sleeved on the brake sleeve A45, the brake sleeve A45 is sleeved on the brake frame 48, so that when the brake sleeve A45 moves downwards, the brake frame 48 is hinged with a brake connecting rod 41, wherein the brake frame 48 is symmetrical left and right, the left side controls the front wheel brake and the right side controls the rear wheel brake, and when the brake frame 48 moves downwards, the front wheel and the rear wheel brake simultaneously. The support 43 is L-shaped, the lower horizontal part of the support 43 is placed in the brake chute 40 and fixedly connected with the brake chute 40, the lower end of the brake frame 48 is sleeved on the top vertical part of the support 43, the return spring 42 is sleeved on the middle vertical part of the support 43, and the length of the return spring 42 is smaller than that of the vertical part of the support 43, so that the lower end of the brake frame 48 is in contact with the return spring 42. The left end of the brake connecting rod 41 is provided with a brake block 39, the right end of the brake block 39 is hinged with the brake connecting rod 41, the right end of the brake block 39 is hollow and is sleeved on the part of the horizontal part of the lower part of the bracket 43 extending out of the brake sliding groove 40, when the brake frame 48 moves downwards, the lower end of the brake connecting rod 41 moves leftwards through the hinged connection, and the brake block 39 is limited to move only in the horizontal direction. The brake pads 39 face the sides of the wheelset 12. When the lower end of the brake connecting rod 41 moves leftwards, the brake block 39 is pushed leftwards to contact with the wheel pair 12, so that the friction deceleration effect is achieved. When the brake lever 44 is released, the brake bracket 48 is lifted up under the action of the return spring 42, and the brake bracket 48 pulls the upper end of the brake link 41 upward, thereby moving the lower end of the brake link 41 to the right, thereby pulling the brake pads 39 away from the wheelset.
As shown in fig. 1, 11 and 12, a driving motor 12 is connected with a generator, the generator is used as a power source to provide power for the driving motor 12, the power is transmitted by a shaft, passes through a secondary gear reduction mechanism, passes through a universal transmission mechanism 10, and is transmitted to a rear wheel A4 and a rear wheel B9 by a differential 7, the rotation of the rear wheel A4, the rear wheel B9, a front wheel a13 and a front wheel B21 enables the whole equipment to move forward, the structure forms a traveling device of the equipment, wherein the driving motor 12 and the secondary gear reduction mechanism are fixedly connected with a carriage floor 1, and the differential 7 is connected with an axle.

Claims (6)

1. The utility model provides a little compact shaped steel rail polishes and maintains car, a serial communication port, including carriage bottom plate (1), carriage bottom plate (1) bottom is provided with frame (24), four angles in frame (24) bottom have set gradually rear wheel A (4), rear wheel B (9), front wheel A (13), front wheel B (21), wherein, rear wheel A (4) and rear wheel B (9) are located frame (24) rear end bottom, front wheel A (13) and front wheel B (21)1 are located frame (24) front end bottom, frame (24) rear is the double-armed, frame (24) bottom still is provided with away running gear, with away running gear complex arresting gear, and to the grinding device who polishes and maintains the rail.
2. The small-size compact steel rail grinding maintenance vehicle as claimed in claim 1, wherein the running gear is specifically structured as follows: the driving motor (12) is connected with a motor main shaft (57), the motor main shaft (57) passes through two bearings A (49) and then is connected with a reducer input gear (58) through a key, the bearings A (49) are fixed with a reducer shell (11), the left half part of the reducer primary gear (51) is the same as the thickness of the reducer input gear (58), the right half part of the reducer primary gear (51) is a wide gear, the reducer input gear (58) is engaged with the left half part of the reducer primary gear (51) through gear matching, the number of teeth of the reducer input gear (58) is smaller than that of the reducer primary gear (51), the reducer primary gear (51) is sleeved on a reducer gear shaft (50) and is connected with the reducer gear shaft (50) through a key, the bearings A (49) are fixed on the shell at two ends of the reducer gear shaft (50), the right half wide gear of the reducer primary gear (51) is engaged with a reducer secondary output gear (59) through gear matching, the tooth number of the wide gear part of the primary gear (51) of the speed reducer is smaller than that of the secondary output gear (59) of the speed reducer, so that the secondary speed reduction effect is achieved, the secondary output gear (59) of the speed reducer is in key connection and matching with the output shaft (60) of the speed reducer, one end, extending out of a shell (11) of the speed reducer, of the output shaft (60) of the speed reducer is used as a joint and is connected with one end of a universal transmission sleeve (53) through a cross shaft (52), the other end of the universal transmission sleeve (53) is in spline connection with a universal transmission spline rod (61), the universal transmission spline rod (61) is connected with an input shaft (62) of the differential through the cross shaft (52), the input shaft (62) of the differential is in key connection with an input bevel gear (63) of the differential, the input bevel gear (63) of the differential is meshed with one end of a bevel gear (54), and the other end of the bevel gear (54) is in key connection and matching with the output shaft (61) of the differential, the bevel gear (54) is further provided with an extending part connected with a planetary gear (65), a differential output bevel gear (64) is meshed with a planetary gear (71), the differential output bevel gear (64) is in key connection and matching with a short shaft (55), a differential input shaft (62) and a differential output shaft (61) are connected with a differential (7) shell through a bearing B (56), two frames (24) are distributed on two sides of a carriage bottom plate (1), the upper part of each frame (24) is fixedly connected with the carriage bottom plate (1), and the lower part of each frame (24) is respectively connected with a front wheel A (13), a front wheel B (21), a rear wheel A (4) and a rear wheel B (9) through bearings; fixing rods (69) are arranged below the vehicle frames (24) and are connected through bolts, the two vehicle frames (24) share 4 fixing rods (69) to further keep stability, the 4 fixing rods (69) are fixedly connected together at the tail ends by using fixing rod connecting pieces (67), 6 damping springs (26) are fixed in the middle of the vehicle frames (24), 12 damping springs (26) are arranged in the middle of the two vehicle frames (24), the upper parts of the damping springs (26) are fixedly connected with damping beams (68), round bosses are arranged above the middles of the damping beams (68) and are connected with the carriage bottom plate (1), the chassis of the small-volume compact steel rail grinding maintenance vehicle is formed by the frame (24), the front wheel A (13), the front wheel B (21), the rear wheel A (4), the rear wheel B (9), the fixing rod (69), the fixing rod connecting piece (67), the damping spring (26), the damping beam (68) and the carriage bottom plate (1) together.
3. The small-size compact steel rail grinding maintenance vehicle as claimed in claim 1, wherein the grinding device is specifically structured as follows: including a top side grinding portion and a side grinding portion at the bottom of the bed plate 1.
4. The small-size compact steel rail grinding maintenance vehicle as claimed in claim 3, wherein the top surface grinding part is composed of two top surface grinding devices, the two top surface grinding devices are identical in structure, and each top surface grinding device is specifically structured as follows: the top surface grinding part fixing plate (22) is located at the bottom of the carriage bottom plate (1) and fixedly connected with the carriage bottom plate (1) through bolts, a top surface grinding device sliding table (34) is fixedly connected with the top surface grinding part fixing plate (22) through bolts, the top surface grinding device sliding table (34) is connected with a top surface grinding device sliding plate (23) through a sliding groove, the upper portions of four grinding head feeding connecting rods (28) are hinged with the top surface grinding device sliding plate (23), the lower portions of the four grinding head feeding connecting rods (28) are hinged with a top surface grinding head feeding support (14), the top surface grinding device sliding plate (23) is hinged with a hydraulic cylinder (20), a hydraulic piston rod (15) is hinged with the top surface grinding head feeding support (14), the hydraulic cylinder (20) is sleeved on the hydraulic piston rod (15), wherein the hydraulic cylinder (20) and the hydraulic piston rod (15) form hydraulic transmission, and the top surface grinding device sliding plate (23), The polishing head feeding connecting rod (28) and the top surface polishing head feeding support (14) form a parallelogram, wherein a sliding plate (23) of the top surface polishing device is parallel to the top surface polishing head feeding support (14), the polishing head feeding connecting rod (28) is parallel to each other, the polishing head feeding connecting rod (28) is inclined through relative movement between a hydraulic piston rod (15) and a hydraulic cylinder (20) so as to adjust the distance between the sliding plate (23) of the top surface polishing device and the polishing head feeding support (14), a corner motor (6) is fixedly connected with the top surface polishing head feeding support (14), a polishing head corner secondary reduction gear (32) is fixedly connected with a corner fixing plate (33), the corner fixing plate (33) is fixedly connected with a polishing motor fixing chassis (16), a polishing motor (8) is fixedly connected with the polishing motor fixing chassis (16), and two sides of the polishing motor fixing chassis (16) are hinged with the top surface polishing head feeding support (14) so that the polishing motor fixing chassis (16) is relatively fixed The top surface polishing device feeding support (14) rotates, a polishing head corner gear (31) is driven to rotate by rotation of a corner motor (6), a polishing head corner primary speed reduction gear set (30) rotates, the polishing head corner primary speed reduction gear set (30) drives a polishing head corner secondary speed reduction gear (32) to rotate, the polishing head corner secondary speed reduction gear (32) is fixedly connected with a corner fixing plate (33), the corner fixing plate (33) is fixedly connected with a polishing motor fixing chassis (16) through bolts, so that the corner fixing plate (33) rotates when the polishing head corner secondary speed reduction gear (32) rotates, the polishing motor fixing chassis (16) rotates, a pair of lead screw motors (18) is fixedly connected to the upper surface of a top surface polishing device sliding table (34), and an output shaft of each lead screw motor (18) is connected with a lead screw (17) on the side where the lead screw motor is located.
5. The small-size compact steel rail grinding maintenance vehicle as claimed in claim 3, wherein the side grinding part is composed of two side grinding devices, the two side grinding devices are identical in structure, and each side grinding device is specifically structured as follows: the side surface grinding part fixing plate (3) is fixedly connected with the carriage bottom plate (1) through bolts, a side surface grinding device sliding table (37) is fixedly connected with the side surface grinding part fixing plate (3) through bolts, a side surface grinding device sliding plate (36) is connected with the side surface grinding device sliding table (37) through a sliding chute, the side surface grinding device sliding plate (36) is hinged with the upper parts of four grinding head feeding connecting rods (28), the lower parts of the four grinding head feeding connecting rods (28) are hinged with a side surface grinding head feeding support (35), the side surface grinding device sliding plate (36) is also hinged with a hydraulic cylinder (20), the hydraulic piston rod (15) is hinged with the side surface grinding head feeding support (35), the hydraulic cylinder (20) is sleeved on the hydraulic piston rod (15), wherein the hydraulic cylinder (20) and the hydraulic piston rod (15) form hydraulic transmission, the side surface grinding device sliding plate (36), the grinding head feeding connecting rod (28) and the side surface grinding head feeding support (35) form a parallelogram, wherein the side surface grinding device sliding plate (36) is parallel to the side surface grinding head feeding bracket (35), the grinding head feeding connecting rods (28) are parallel to each other, the grinding head feeding connecting rods (28) are inclined through the relative movement between the hydraulic piston rod (15) and the hydraulic cylinder (20) so as to adjust the distance between the side surface grinding device sliding plate (36) and the side surface grinding head feeding bracket (35), the corner motor (6) is fixedly connected with the side surface grinding head feeding bracket (35), the grinding head corner secondary reduction gear (32) is fixedly connected with the corner fixing plate (33), the corner fixing plate (33) is fixedly connected with the grinding motor fixing chassis (16), the grinding motor (8) is fixedly connected with the grinding motor fixing chassis (16), the grinding motor fixing chassis (16) is hinged with the side surface grinding head feeding bracket (35) at two sides so that the grinding motor fixing chassis (16) rotates relative to the side surface grinding head feeding bracket (35), the rotation of the corner motor (6) enables the grinding head corner gear (31) to drive the grinding head corner primary reduction gear set (30) to rotate, the grinding head corner primary reduction gear set (30) drives the grinding head corner secondary reduction gear (32) to rotate, the grinding head corner secondary reduction gear (32) is fixedly connected with the corner fixing plate (33) to enable the corner fixing plate (33) and the grinding motor fixing chassis (16) to rotate, and further the grinding motor (8) is driven to deflect angularly, so that the grinding wheel (5) is deflected angularly; two sides of the sliding table (37) of the side grinding device are respectively fixed with two lead screw motors (18), and each lead screw motor (18) is connected with one lead screw (17).
6. The small-size compact steel rail grinding maintenance vehicle as claimed in claim 1, wherein the braking device is specifically structured as follows: the brake device comprises a front wheel brake part and a rear wheel brake part which are symmetrical, and comprises a brake rod (44), wherein a hinged point of the brake rod (44) is hinged with a carriage bottom plate (1), the tail end of the lower part of the brake rod (44) is sleeved on a brake sleeve B (46), the brake sleeve B (46) is hinged with a brake sleeve C (47), the brake sleeve C (47) is sleeved on a brake sleeve A (45), the brake sleeve A (45) is sleeved on a brake frame (48), the brake frame (48) is hinged with a brake connecting rod (41), a support (43) is L-shaped, the horizontal part of the lower part of the support (43) is placed in a brake sliding groove (40) and fixedly connected with the brake sliding groove (40), the lower end of the brake frame (48) is sleeved on the top of the support (43) to be vertical, a return spring (42) is sleeved on the middle vertical part of the support (43), and the length of the return spring (42) is smaller than that of the vertical part of the support (43), the lower end of the brake frame (48) is in contact with the return spring (42), the left end of the brake connecting rod (41) is provided with the brake pad (39), the right end of the brake pad (39) is hinged with the brake connecting rod (41), the right end of the brake pad (39) is hollow and sleeved on the part, extending out of the brake chute (40), of the horizontal part of the lower part of the support (43), and the brake pad (39) is opposite to the side face of the wheel pair (12).
CN202210675737.8A 2022-06-15 2022-06-15 Small-size compact steel rail grinding maintenance vehicle Pending CN114892459A (en)

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Publication number Priority date Publication date Assignee Title
CN116043621A (en) * 2023-01-03 2023-05-02 北京交通大学 Land-rail dual-purpose type quick assembly disassembly type steel rail polishing maintenance robot

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CN114097455A (en) * 2022-01-26 2022-03-01 潍坊青欣绿化工程有限公司 Branch trimming device
CN114318976A (en) * 2021-12-31 2022-04-12 西安理工大学 Steel rail grinding maintenance equipment
CN218666951U (en) * 2022-06-15 2023-03-21 西安工程大学 Steel rail grinding maintenance vehicle

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EP2662493A2 (en) * 2012-05-07 2013-11-13 Meiren Engineering OÜ Support frame of a road maintenance device
CN103924491A (en) * 2014-04-22 2014-07-16 北京二七机车工业有限责任公司 Grinding head vertical lifting device of rail grinding wagon
US20170314210A1 (en) * 2014-07-29 2017-11-02 Maschinenfabrik Liezen Und Giesserei Ges.M.B.H. Rail vehicle having a device for finishing the running surface of track rails
CN110528344A (en) * 2019-10-16 2019-12-03 中国国家铁路集团有限公司 A kind of polishing rack
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CN218666951U (en) * 2022-06-15 2023-03-21 西安工程大学 Steel rail grinding maintenance vehicle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116043621A (en) * 2023-01-03 2023-05-02 北京交通大学 Land-rail dual-purpose type quick assembly disassembly type steel rail polishing maintenance robot
CN116043621B (en) * 2023-01-03 2024-04-05 北京交通大学 Land-rail dual-purpose type quick assembly disassembly type steel rail polishing maintenance robot

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