CN113478213A - Automatic radial dismouting device of rail grinding wagon grindstone - Google Patents
Automatic radial dismouting device of rail grinding wagon grindstone Download PDFInfo
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- CN113478213A CN113478213A CN202110614037.3A CN202110614037A CN113478213A CN 113478213 A CN113478213 A CN 113478213A CN 202110614037 A CN202110614037 A CN 202110614037A CN 113478213 A CN113478213 A CN 113478213A
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- centering
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- grindstone
- rail
- dismounting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
Abstract
The invention discloses an automatic radial disassembling and assembling device for a grinding stone of a steel rail grinding wagon, which comprises a walking system, a lifting system, a grinding stone rotating and centering system and an automatic disassembling and assembling system. The traveling system is arranged on the steel rail to support the dismounting device, so that the whole device can automatically move along the direction of the steel rail; the lower part of the lifting system is connected to a base of the walking system and is used for supporting the rotary centering system to realize automatic lifting of new and old grindstones; the lower part of the rotary centering system is connected with the upper part of the lifting system and is used for centering, clamping and rotating new and old grindstones; the lower part of the automatic dismounting system is connected to the traveling system, and the upper part of the automatic dismounting system is provided with an electric screwdriver used for mounting or dismounting a fixing bolt of new and old grinding stones of the steel rail grinding wagon. The invention solves the problems of high labor intensity, low automation degree, high safety risk and the like when the grindstone is radially assembled and disassembled, can automatically move to the position where the grindstone needs to be assembled and disassembled on the steel rail, and has important significance for improving the operation efficiency of the steel rail grinding wagon.
Description
Technical Field
The invention belongs to the technical field of large-scale maintenance mechanical equipment of railways, and particularly relates to an automatic radial disassembling and assembling device for a grinding stone of a steel rail grinding wagon.
Background
With the increasing busy transportation of high-speed and heavy-duty railways in China, the defects of rail surface bruise, rolling mark, rust, scab and the like are more and more frequent, the smoothness of the rails is seriously influenced, and the running safety of trains is endangered. The rail grinding wagon grinds the outer contour of the rail by using a grinding stone rotating at a high speed, eliminates various defects on the surface of the rail, and repairs or lightens the damage on the surface of the rail, so that the smoothness of the rail surface is improved, the noise and the vibration are reduced, the rail grinding wagon becomes important large-scale mechanical equipment for quickly eliminating the defects of the rail, and the rail grinding wagon has important significance for maintaining the rail of the railway.
The GMC-96B type steel rail grinding wagon is provided with 96 grinding stones with adjustable angles and pressure, has 99 grinding modes, and can grind steel rails on line in the process of advancing. Because of its high speed and high efficiency, it has become an important maintenance mechanical device commonly used in each railway work section in China. The main grinding tool of the rail grinding wagon is a grinding stone mounted on the rail grinding wagon, and the grinding stone needs to be frequently replaced for long-distance operation and grinding conditions of different lines. At present, the replacement operation of the grinding stone of the steel rail grinding wagon is mainly realized in a manual mode, an operator needs to adopt a squatting position in a 21cm space under the wagon, lift the grinding stone by a single hand, and simultaneously complete the installation and the disassembly of the fastening screw of the grinding stone. In addition, the quality of the grinding stones is about 10kg, 96 grinding stones can be assembled and disassembled by one hand, the labor intensity of workers is high, the efficiency is low, and the effective operation time of the steel rail grinding wagon is seriously reduced. Therefore, the portable automatic grinding stone dismounting device with light and efficient design structure has important significance for improving the service efficiency of the steel rail grinding wagon.
At present, relevant solving equipment is developed preliminarily aiming at the problems of high disassembly and assembly strength and low efficiency of a grinding stone of a railway steel rail grinding wagon. For example, the changing device proposed in the thesis "development of a grinding wheel changing device for a 96-X type grinding wagon" is well established, the device is only a structure for supporting a grinding stone, the grinding stone still needs to be changed manually, the labor intensity can be reduced to a certain extent, however, the manual lifting and dismounting mode is still adopted, the automation degree is low, and the work efficiency is difficult to improve. Also, as the chinese patent invention with patent application number 201911084639.1, "a quick dismounting device for a grinding wheel of a railway line grinding wagon and a method for using the same", the device provides a grinding wheel dismounting device for fixing and dismounting the top end of a grinding wheel, which can effectively reduce labor intensity, but the device cannot be used for radial dismounting of the grinding wheel, and is difficult to realize automatic movement of the grinding wheel along a steel rail, and the overall degree of automation is not high.
Disclosure of Invention
The invention aims to provide an automatic radial disassembling and assembling device for a steel rail grinding wagon grinding stone, and solves the main technical problems of difficulty in radial disassembling and assembling of the steel rail grinding wagon grinding stone, high labor intensity and low efficiency. Through designing an automatic radial dismouting device of rail grinding wagon grindstone that collects automatic walking, lift, rotatory centering, automatic dismouting function in an organic whole, realize the quick replacement of railway lines grinding wagon grindstone.
The technical scheme adopted by the invention is as follows: an automatic radial dismounting device for a steel rail grinding wagon grindstone comprises a traveling system, a lifting system, a rotary centering system and an automatic dismounting system, wherein the traveling system is arranged on an I-shaped steel rail, and the lifting system is arranged on the traveling system; the upper part of the lifting system is connected with a rotary centering system, and the rotary centering system is used for centering, clamping and rotating new and old grindstones, so as to realize automatic lifting of the new and old grindstones and support the automatic dismounting system, and realize automatic movement of the automatic dismounting system along the direction of the steel rail; the lower part of the automatic dismounting system is connected to the traveling system, and the upper part of the automatic dismounting system is provided with an electric screwdriver which is used for mounting or dismounting a fixing bolt of new and old grindstones of the steel rail grinding wagon.
The present invention is also characterized in that,
the walking system comprises an n-shaped base which is embedded on the steel rail and can slide along the steel rail, one side of the n-shaped base is fixedly connected with a side box and a stepping motor a in sequence, two synchronous belt wheels along the direction of the steel rail are arranged in the side box, and one of the synchronous belt wheels is connected with the stepping motor a through a coupling; a synchronous belt is arranged between the two synchronous belt wheels; and a rolling shaft is axially arranged along the center of each synchronous belt pulley, is fixedly connected to the inner side of the n-shaped base and slides close to the upper surface of the steel rail.
The side box consists of an upper cover plate, a lower cover plate and side plates and is connected to the side plates of the n-shaped base through screws; the rolling shaft is fixedly connected in the n-type base through deep groove ball bearings embedded in two side plates of the n-type base, and bearing end covers are further arranged on the outer sides of the deep groove ball bearings.
The lifting system comprises a lifting base; the lifting base is fixed on the upper surface of the n-shaped base, and two ends of the lifting base are respectively provided with a group of upper shearing arms and lower shearing arms which are symmetrical in structure; the lower shear arm is hinged on the upper surface of the lifting base through a bolt, the lower part of the upper shear arm is connected with the upper part of the lower shear arm through a connecting shaft, the upper part of the upper shear arm is connected with a flange through a bolt, a transversely penetrating lead screw is further arranged between the two connecting shafts of the upper shear arm and the lower shear arm, the directions of threads at two ends of the lead screw are opposite, and the threads of the lead screw are matched with threaded holes in the connecting shafts; the lead screw is connected with a stepping motor b, and the stepping motor b is fixed on the outer side of the shear arm through an angle bracket.
The rotary centering system comprises a grindstone tray, a centering large gear and a transmission small gear; a rotary main shaft is arranged at the central position of the flange plate, the rotary main shaft is vertically arranged in a central groove of the flange plate through a tapered roller bearing, a transmission big gear is nested on the rotary main shaft, and one-way bearings are fixedly arranged at the upper side and the lower side of the transmission big gear respectively; the outer ring of the one-way bearing at the upper part of the driving big gear is connected with the grindstone tray through a key, the outer ring of the one-way bearing at the lower part of the driving big gear is connected with the centering big gear through a key, and the upper and lower one-way bearings are arranged on the rotating main shaft in opposite directions; the transmission small gear is meshed with the transmission big gear; the transmission pinion is fixed on the flange plate through a rotating shaft connected with a stepping motor c; three centering small gears are arranged on the flange plate through a vertically arranged shaft, and the centering small gears are meshed with the centering large gears.
The upper surface of the centering pinion is also provided with a vertical shifting lever, and the shifting lever is connected to the upper end surface of the centering pinion through threads.
The automatic dismounting system comprises an inclined support fixed on the side edge of the n-shaped base, the other end of the inclined support is fixedly connected with a vertical plate, a supporting guide rail in the horizontal direction is fixed on the vertical plate in a threaded manner, the supporting guide rail is provided with a moving table which slides along the supporting guide rail, an electric screwdriver is arranged on the moving table, and the direction of a tool bit of the electric screwdriver points to the center of the grinding stone tray; the middle part of the bottom of the mobile station is provided with a threaded hole and is matched with the screw rod; the lead screw is connected with a stepping motor d through a coupler, and the stepping motor d is fixed on the outer side of the vertical plate.
The inclined support is far away from one side of the side box, and the vertical plate and the inclined support are of an integrated welding structure.
And a supporting wheel is arranged on the inner side wall of the n-shaped base, the supporting wheel is tightly attached to the surface of the steel rail and slides along the direction of the steel rail, and the supporting wheel is fixed on the n-shaped base by adopting a lateral supporting frame.
The ring-shaped support comprises a ring-shaped groove track arranged on the flange plate, a plurality of balls are arranged in the ring-shaped groove track, and the balls are attached to the lower surface of the centering large gear.
The invention has the beneficial effects that: the automatic radial disassembling and assembling device for the steel rail grinding wagon grindstone is compact in structure and convenient to carry, integrates automatic walking, lifting, rotating centering and automatic disassembling and assembling functions, can adjust the height, is high in adaptability, simplifies the working process, reduces the labor intensity and the disassembling and assembling time, and has important significance for improving the operation efficiency of the steel rail grinding wagon.
Drawings
FIG. 1 is an overall structural view of the apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the walking system of the present invention;
FIG. 3 is a schematic diagram of a transmission structure in the walking system of the present invention;
FIG. 4 is a schematic view of the lift system of the present invention;
FIG. 5 is a schematic view of a rotary centering system according to the present invention;
FIG. 6 is a schematic diagram of a transmission assembly of the rotational centering system of the present invention;
FIG. 7 is a schematic structural diagram of an automatic disassembling system according to the present invention.
In the figure, 1, a walking system, 2, a lifting system, 3, a rotary centering system, 4, an automatic dismounting system, 5, a lateral support frame, 6, a lateral side box, 7, an n-shaped base, 8, a rolling shaft, 9, an upper cover plate, 10, a lower cover plate, 11, a side plate, 12, a stepping motor a, 13, a coupler, 14, a synchronous belt, 15, a synchronous belt pulley, 16, a deep groove ball bearing, 17, an elastic retainer ring, 18, a bearing end cover, 19, a lifting base, 20, an upper shearing arm, 21, a lower shearing arm, 22, a lead screw, 23, an angle code, 24, a connecting shaft, 25, a stepping motor b, 26, a flange plate, 27, a rotary main shaft, 28, a conical roller bearing, 29, a one-way bearing, 30, a centering large gear, 31, a centering small gear, 32, a transmission large gear, 33, a transmission small gear, 34, a stone grinding tray, 35, an annular support, 36, a deflector rod, 37, an electric screwdriver, 38. the mobile station 39, the support guide rail 40, the screw rod 41, the vertical plate 42 and the inclined support.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the automatic radial dismounting device for a grinding stone of a rail grinding wagon in the present embodiment includes a traveling system 1, a lifting system 2, a rotary centering system 3, and an automatic dismounting system 4, wherein the traveling system 1 is installed on an i-shaped rail, and the lifting system 2 is installed on the traveling system 1; the upper part of the lifting system 2 is connected with a rotary centering system 3, the rotary centering system 3 is used for centering, clamping and rotating new and old grindstones, and is used for realizing automatic lifting of the new and old grindstones and supporting an automatic dismounting system 4, and realizing automatic movement of the automatic dismounting system 4 along the direction of a steel rail; the lower part of the automatic dismounting system 4 is connected to the traveling system 1, the upper part of the automatic dismounting system is provided with an electric screwdriver 37, and the electric screwdriver 37 is used for mounting or dismounting a fixing bolt of new and old grindstones of the steel rail grinding wagon.
As shown in fig. 2 and 3, the traveling system 1 includes an n-shaped base 7 embedded in the steel rail and capable of sliding along the steel rail, one side of the n-shaped base 7 is fixedly connected with a side box 6 and a stepping motor a in sequence, two synchronous belt wheels 15 are arranged in the side box 6 along the direction of the steel rail, and one of the synchronous belt wheels 15 is connected with the stepping motor a through a coupling 13; a synchronous belt 14 is arranged between the two synchronous belt wheels 15; a rolling shaft 8 is axially arranged along the center of each synchronous pulley 15, and the rolling shaft 8 is fixedly connected to the inner side of the n-shaped base 7 and slides close to the upper surface of the steel rail.
The side box 6 consists of an upper cover plate 9, a lower cover plate 10 and a side plate 11 and is connected with the side plate of the n-shaped base 7 through a screw; the rolling shaft 8 is fixedly connected in the n-type base 7 through deep groove ball bearings 16 embedded in two side plates of the n-type base 7, and bearing end covers 18 are further arranged on the outer sides of the deep groove ball bearings 16; the stepping motor a12 is connected to the outer side of the side plate 11 through a screw, simultaneously transmits torque to the rolling shaft 8 through the coupler 13, the synchronous pulley 15 is connected with the rolling shaft 8 through a pin, and the synchronous pulley 15 drives the synchronous belt 14 to drive the rolling shaft 8. The deep groove ball bearing 16 is respectively matched with the cylindrical holes (the diameter is smaller than the diameter of the bearing) of the two side plates of the n-type base 7 and the elastic retainer ring 17 to form positioning. The bearing end cover 18 is fixedly connected on the cylindrical boss of the n-shaped base 7 to ensure the sealing state of the transmission part.
As shown in fig. 4, the lifting system 2 includes a lifting base 19; the lifting base 19 is fixed on the upper surface of the n-shaped base 7, and two ends of the lifting base 19 are respectively provided with a group of upper shearing arms 20 and lower shearing arms 21 which are symmetrical in structure; the lower shear arm 21 is hinged on the lifting base 19 through bolts, the lower part of the upper shear arm 20 is connected with the upper part of the lower shear arm 21 through two connecting shafts 24, the upper part of the upper shear arm 20 is connected with a flange 26 through bolts, a transversely penetrating lead screw 22 is arranged between the two connecting shafts 24 of the upper shear arm 20 and the lower shear arm 21, the directions of threads at two ends of the lead screw 22 are opposite, and the threads of the lead screw 22 are matched with threaded holes in the connecting shafts 24; the lead screw 22 is connected with a stepping motor b25, and a stepping motor b25 is fixed on the outer side of the shear arm through an angle bracket 23. The lead screw 22 is connected with a stepping motor b25 through a coupler and is matched with a threaded hole on the rotating shaft 24; the upper shear arm 20 and the flange 26 are bolted together for the purpose of connecting the lifting system 2 to the rotary centering system 3.
As shown in fig. 5 and 6, the rotary centering system comprises a grinding stone tray 34, a centering gearwheel 30 and a transmission pinion 33; a rotating main shaft 27 is arranged at the central position of the flange plate 26, the rotating main shaft 27 is vertically installed in a central groove of the flange plate 26 through a tapered roller bearing 28, a transmission large gear 32 is installed on the rotating main shaft 27 in an embedded mode, and one-way bearings 29 are fixedly installed at the upper side and the lower side of the transmission large gear 32 respectively; the outer ring of the one-way bearing at the upper part of the driving gearwheel 32 is connected with the grindstone tray 34 through a key, and the outer ring of the one-way bearing at the lower part of the driving gearwheel 32 is connected with the centering gearwheel 30 through a key; the drive pinion 33 intermeshes with the drive bull gear 32; the transmission pinion 33 is fixed on the flange 26 through a rotating shaft connected with the stepping motor c; three centering pinions 31 are arranged on the flange 26 via vertically arranged shafts, the centering pinions 31 being in mesh with the centering gearwheel 30. The upper and lower one-way bearings 29 are mounted on the rotary main shaft 27 in opposite directions, so that the rotation of the grinding stone tray 34 and the rotation of the centering large gear 30 are not performed simultaneously when the rotary main shaft 27 rotates.
The upper surface of the centering pinion 31 is also provided with a vertical shifting lever 36, the shifting lever 36 is connected to the upper end surface of the centering pinion 31 through threads, and the shifting lever 36 is connected with the centering pinion 31 through a threaded fastener, so that centering and clamping of the grinding stone are realized.
As shown in fig. 7, the automatic dismounting system comprises an inclined support 42 fixed on the side of the n-shaped base 7, a vertical plate 41 is fixedly connected to the other end of the inclined support 42, a horizontal support guide rail 39 is screwed on the vertical plate 41, the support guide rail 39 is provided with a moving table 38 sliding along the support guide rail 39, an electric screwdriver 37 is arranged on the moving table 38, and the direction of the bit of the electric screwdriver 37 points to the center of the stone grinding tray 34; the middle position of the bottom of the mobile station 38 is provided with a threaded hole and is matched with the screw rod 40; the screw rod 40 is connected with a stepping motor d through a coupler, and the stepping motor d is fixed on the outer side of the vertical plate 41; the middle of the bottom of the movable table 38 is provided with a threaded hole, and two sides of the bottom are provided with smooth holes which are respectively matched with the screw rod 40 and the supporting guide rail 39.
The inclined supports 42 are arranged far away from the side of the side box 6, and the vertical plates 41 and the inclined supports 42 are of an integrated welding structure.
And supporting wheels are arranged on the inner side wall of the n-shaped base 7, the supporting wheels are tightly attached to the surface of the steel rail and slide along the direction of the steel rail, and the supporting wheels are fixed on the n-shaped base 7 by adopting lateral supporting frames 5.
The centering device further comprises an annular support 35, wherein the annular support 35 comprises an annular groove track arranged on the flange plate 26, a plurality of balls are arranged in the annular groove track, and the balls are attached to the lower surface of the centering large gear 30.
When the automatic radial dismounting device for the grinding stone of the steel rail grinding wagon in the embodiment is used, the specific operation flow steps are as follows:
the first step is as follows: the worker firstly places the automatic radial dismounting device of the grinding stone of the steel rail grinding wagon on the steel rail, at the moment, the rolling shaft 8 is in contact with the steel rail to support the whole device, and the lateral support frames 5 on the left side and the right side of the n-shaped base 7 are rotated to enable the support wheels to be close to the steel rail so as to prevent rollover;
the second step is that: controlling a stepping motor a12 in the traveling system 1 to drive the integral dismounting device to move to the position below an old grindstone to be dismounted along the direction of the steel rail; the grinding stone tray 34 is lifted to the bottom of the old grinding stone by the lifting system 2, the old grinding stone is clamped by the rotating centering system 3, the old grinding stone is rotated to enable the radial fixing bolts to be aligned to the electric screw driver 37 in the disassembling and assembling system 4, the fixing bolts of the grinding stone are disassembled, the aligning and disassembling actions are repeated, and the disassembling of all the fixing bolts of the old grinding stone is sequentially realized; finally, the lifting system 2 is controlled to descend, and the old grindstone is taken down from the grindstone tray 34.
The third step: placing a new grinding stone on the grinding stone tray 34, centering and clamping the new grinding stone through the rotary centering system 3, and controlling the lifting system 2 to enable the new grinding stone to rise to the assembly height; and by controlling the rotary centering system 3, the bolt assembling holes of the new grindstone are aligned to the electric screw driver 37 in the disassembling and assembling system 4, and the electric screw driver 37 is used for screwing the radial inner hexagon mounting bolts of the new grindstone to complete the installation of the new grindstone.
The fourth step: after finishing once the grindstone replacement operation, controlling the traveling system to enable the automatic radial dismounting device of the grindstone of the steel rail grinding wagon to travel to the lower part of the next grindstone, and repeating the operation to finish the dismounting of the next grindstone.
Claims (10)
1. The automatic radial dismounting device for the grinding stones of the steel rail grinding wagon is characterized by comprising a traveling system (1), a lifting system (2), a rotary centering system (3) and an automatic dismounting system (4), wherein the traveling system (1) is arranged on an I-shaped steel rail, and the lifting system (2) is arranged on the traveling system (1); the upper part of the lifting system (2) is connected with a rotary centering system (3), the rotary centering system (3) is used for centering, clamping and rotating new and old grindstones, so that the new and old grindstones can be automatically lifted, the automatic dismounting system (4) is supported, and the automatic dismounting system (4) can automatically move along the direction of the steel rail; the lower part of the automatic dismounting system (4) is connected to the traveling system (1), and an electric screwdriver (37) is installed on the upper part of the automatic dismounting system, wherein the electric screwdriver (37) is used for installing or dismounting a fixing bolt of a new grinding stone and an old grinding stone of a steel rail grinding wagon.
2. A rail grinding wagon grindstone automatic radial dismounting device according to claim 1, characterized in that the traveling system (1) comprises an n-shaped base (7) embedded in the rail and capable of sliding along the rail, one side of the n-shaped base (7) is fixedly connected with a side box (6) and a stepping motor a (12) in sequence, two synchronous pulleys (15) along the rail direction are arranged in the side box (6), and one of the synchronous pulleys (15) is connected with the stepping motor a (12) through a coupling (13); a synchronous belt (14) is arranged between the two synchronous pulleys (15); a rolling shaft (8) is axially arranged along the center of each synchronous pulley (15), and the rolling shaft (8) is fixedly connected to the inner side of the n-shaped base (7) and slides close to the upper surface of the steel rail.
3. A rail grinding wagon grindstone automatic radial dismounting device according to claim 2, characterized in that the side box (6) is composed of an upper cover plate (9), a lower cover plate (10) and a side plate (11), and is connected to the side plate of the n-shaped base (7) through screws; the rolling shaft (8) is fixedly connected in the n-type base (7) through deep groove ball bearings (16) embedded in two side plates of the n-type base (7), and bearing end covers (18) are further arranged on the outer sides of the deep groove ball bearings (16).
4. A rail grinding wagon grindstone automatic radial disassembly and assembly device according to claim 2, characterized in that the lifting system (2) comprises a lifting base (19); the lifting base (19) is fixed on the upper surface of the n-shaped base (7), and two ends of the lifting base (19) are respectively provided with a group of upper shearing arms (20) and lower shearing arms (21) which are symmetrical in structure; the lower shear arm (21) is hinged to the upper surface of the lifting base (19) through a bolt, the lower part of the upper shear arm (20) is connected with the upper part of the lower shear arm (21) through a connecting shaft (24), the upper part of the upper shear arm (20) is connected with a flange plate (26) through a bolt, a transversely penetrating lead screw (22) is further arranged between the two connecting shafts (24) of the upper shear arm (20) and the lower shear arm (21), the directions of threads at two ends of the lead screw (22) are opposite, and the threads of the lead screw (22) are matched with threaded holes in the connecting shafts (24); the lead screw (22) is connected with a stepping motor b (25), and the stepping motor b (25) is fixed on the outer side of the shear arm through an angle bracket (23).
5. A rail grinding wagon grindstone automatic radial disassembly and assembly device according to claim 4, characterized in that the rotary centering system comprises a grindstone tray (34), a centering bull gear (30), a drive pinion (33); a rotating main shaft (27) is arranged at the center of the flange plate (26), the rotating main shaft (27) is vertically installed in a central groove of the flange plate (26) through a tapered roller bearing (28), a transmission large gear (32) is installed on the rotating main shaft (27) in a nested mode, and one-way bearings (29) are fixedly installed at the upper side and the lower side of the transmission large gear (32) respectively; the outer ring of the one-way bearing at the upper part of the transmission big gear (32) is connected with the grindstone tray (34) through a key, the outer ring of the one-way bearing at the lower part of the transmission big gear (32) is connected with the centering big gear (30) through a key, and the mounting directions of the upper one-way bearing and the lower one-way bearing (29) on the rotating main shaft (27) are opposite; the transmission small gear (33) is meshed with the transmission big gear (32); the transmission pinion (33) is fixed on the flange plate (26) through a rotating shaft connected with the stepping motor c; three centering small gears (31) are arranged on the flange plate (26) through a vertically arranged shaft, and the centering small gears (31) are meshed with the centering large gears (30).
6. A rail grinding wagon grindstone automatic radial dismounting device according to claim 5, characterized in that the upper surface of the centering pinion (31) is further provided with a vertical shift lever (36), and the shift lever (36) is connected to the upper end surface of the centering pinion (31) through a thread.
7. A steel rail grinding wagon grindstone automatic radial dismounting device according to claim 2, characterized in that the automatic dismounting system comprises an inclined support (42) fixed on the side of the n-shaped base (7), the other end of the inclined support (42) is fixedly connected with a vertical plate (41), a horizontal support guide rail (39) is screwed on the vertical plate (41), the support guide rail (39) is provided with a moving table (38) sliding along the support guide rail (39), the electric screwdriver (37) is arranged on the moving table (38), and the direction of the tool bit of the electric screwdriver (37) points to the center of the grindstone tray (34); the middle position of the bottom of the mobile station (38) is provided with a threaded hole and is matched with the screw rod (40); the screw rod (40) is connected with a stepping motor d through a coupler, and the stepping motor d is fixed on the outer side of the vertical plate (41).
8. A rail grinding wagon grindstone automatic radial dismounting device according to claim 7, characterized in that the inclined supports (42) are arranged at the side far away from the side box (6), and the vertical plates (41) and the inclined supports (42) are in an integral welding structure.
9. A rail grinding wagon grindstone automatic radial dismounting device according to claim 2, characterized in that the inside wall of the n-shaped base (7) is provided with a supporting wheel, the supporting wheel is arranged in a sliding manner along the rail direction by clinging to the surface of the rail, and the supporting wheel is fixed on the n-shaped base (7) by a lateral supporting frame (5).
10. A device for automatically radially disassembling and assembling a grinding stone of a steel rail grinding wagon according to claim 5, further comprising an annular support (35), wherein the annular support (35) comprises an annular groove track arranged on the flange plate (26), a plurality of balls are arranged in the annular groove track, and the balls are attached to the lower surface of the centering large gear (30).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110614037.3A CN113478213B (en) | 2021-06-02 | 2021-06-02 | Automatic radial dismouting device of rail grinding wagon grindstone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110614037.3A CN113478213B (en) | 2021-06-02 | 2021-06-02 | Automatic radial dismouting device of rail grinding wagon grindstone |
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| CN113478213B CN113478213B (en) | 2022-06-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892459A (en) * | 2022-06-15 | 2022-08-12 | 西安工程大学 | Small-size compact steel rail grinding maintenance vehicle |
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| CN114892459A (en) * | 2022-06-15 | 2022-08-12 | 西安工程大学 | Small-size compact steel rail grinding maintenance vehicle |
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| CN113478213B (en) | 2022-06-07 |
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