CN107178016B - Steel rail fat edge grinding machine - Google Patents
Steel rail fat edge grinding machine Download PDFInfo
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- CN107178016B CN107178016B CN201710591228.6A CN201710591228A CN107178016B CN 107178016 B CN107178016 B CN 107178016B CN 201710591228 A CN201710591228 A CN 201710591228A CN 107178016 B CN107178016 B CN 107178016B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a steel rail fat edge grinding machine, which belongs to the technical field of railway maintenance equipment, and comprises a frame, and is characterized in that: the vertical moving device comprises a hanger, a ball bearing seat, a ball screw and a ball nut, a stepping motor and upper and lower sliding blocks are arranged on the rack, and the hanger is connected with the rack in a sliding manner through the upper and lower sliding blocks; the horizontal feeding device comprises a grinding wheel, a gear acceleration box, a moving platform, a horizontal sliding block, a driving mechanism, a pulse motor and a ball screw pair, wherein an output shaft of the gear acceleration box is connected with the grinding wheel, an input shaft of the gear acceleration box is connected with the driving mechanism, and the horizontal sliding block is connected to the hanging bracket in a sliding mode. The invention can transversely polish the fat edge of the steel rail without manual adjustment, can select different feeding amounts according to the fat edges of the steel rails with different thicknesses, realizes one-time polishing, can move the grinding wheel up and down, polishes any position on the fat edge height of the steel rail, and improves the polishing efficiency and the polishing effect.
Description
Technical Field
The invention relates to the technical field of railway maintenance equipment, in particular to a steel rail fat edge grinding machine.
Background
At present, rail grinding and repairing machines used by various jobs mainly comprise a French Ji Sima internal combustion rail grinding machine with the model number of MP12, a ROBEL13.44 German Nobel internal combustion rail profiling grinding machine, an Zhengzhou remote distance NC straight type 5, a Shandong GM-4 type, a Jinzhou internal combustion turnout grinding machine NCM-4.0 type, a Kunming ao Tong NCM-4.9 type and the like. The rail grinding machines are mainly divided into two types, namely rail surface grinding machines and turnout grinding machines.
A rail surface grinding machine takes GM-4 model produced in Shandong as an example, and the GM-4 model grinding machine mainly comprises a frame, a transmission system, a grinding wheel, an arc grinding roller, a traveling device and other main parts. The machine frame is formed by welding thin steel plate angle steels, a GX160 gasoline engine is used as power, a triangular belt is used for driving a grinding wheel to grind rails through a transmission system, the grinding wheel is fed in spirally by a screw rod nut, a traveling device is connected with the machine frame through a bolt, two groups of guide wheels on the inner sides of the wheels are connected into a whole by an operating handle and are provided with an angle change adjusting mechanism, and the change of the relative positions of the guide wheels, the operating handle and the machine body is realized. The rail surface grinding machine has limited angle regulated by the angle varying mechanism because the grinding wheel rotates horizontally, and can only horizontally grind the top surface and the outline of the steel rail and can not grind the fat edge of the steel rail.
A turnout grinding machine is of a type NCM-4.0, taking an internal combustion turnout grinding machine produced in Jinzhou province as an example, and the NCM-4.0 internal combustion turnout grinding machine consists of seven parts, namely a traveling wheel, a grinding trolley, a gasoline engine, a grinding head swinging device, a grinding head lifting device and a traveling wheel. A walking frame is welded by seamless steel pipes, a grinding trolley is a main body of the machine, a 4KW gasoline engine is used as power, a triangular belt is used for driving a grinding wheel to grind rails through a transmission system, the grinding wheel is fed in spirally by a screw rod nut, a grinding head driven by a worm gear and a worm swings by an angle, and walking wheels walk on the rails. The grinding wheel of the turnout grinder rotates vertically in a direction vertical to the horizontal plane of the rail, the swing angle of the grinding wheel is 15 degrees at most, and the fat edge of the rail head of the turnout rail can be ground vertically, but the turnout grinder is not suitable for the fat edge grinding of the rail head of a non-turnout rail.
Chinese patent document CN 204748226U, published 2015, 11/11 discloses a grinding wheel preposed wedge type fat edge grinding machine, which is characterized in that: comprises a bottom plate and a frame; the left side and the right side of the upper end of the rack are respectively provided with a handle; the rack is provided with a front and rear supporting slide rail and a front and rear feeding assembly; the bottom plate is arranged on the front and rear supporting slide rails and the front and rear direction feeding assembly; the bottom plate is provided with a main shaft assembly and a gasoline engine; a wedge block feeding assembly in the vertical direction is arranged on the bottom plate; the front end of the main shaft assembly is provided with a grinding wheel installation assembly, and the rear end of the main shaft assembly is provided with a belt; the grinding wheel mounting assembly adjusts the up-and-down position through a wedge block vertical direction feeding assembly; the other end of the belt is arranged on an output shaft of the gasoline engine; the right end of the front side of the rack is provided with a right travelling wheel; and a left traveling wheel is also sleeved on the front and rear supporting slide rails.
The prior art represented by the above patent documents all have the following disadvantages:
1. the grinding wheel for grinding the steel rail is spirally fed by a screw rod, the grinding amount is manually adjusted, and the grinding amount of the grinding wheel is manually adjusted, so that the steel rail is not damaged, and the steel rail is repeatedly fed for many times by a small feeding amount in actual grinding. The operation intensity is big, and the speed of polishing is slow, and is efficient.
2. The grinding wheel for grinding the steel rail is spirally fed by adopting a screw rod, the grinding amount is manually adjusted, the grinding wheel only grinds the steel rail longitudinally or transversely, the grinding direction is only one, the upper and lower relative positions of the grinding wheel and the steel rail fat edge cannot be adjusted, the grinding position on the height of the steel rail fat edge is relatively fixed, and the whole effect of grinding the steel rail fat edge is influenced.
Disclosure of Invention
The grinding wheel can realize automatic transverse feeding, transversely grind the steel rail fat edge without manual adjustment, can select different feeding amounts according to the steel rail fat edges with different thicknesses, realizes one-time grinding, can move up and down to grind any position on the height of the steel rail fat edge, and improves grinding efficiency and grinding effect.
The invention is realized by the following technical scheme:
the utility model provides a rail fat limit polisher, includes the frame, its characterized in that: the horizontal feeding device comprises a rack, a stepping motor, an upper sliding block, a lower sliding block, a horizontal feeding device, a vertical moving device and a horizontal feeding device, wherein the rack is provided with the stepping motor, the upper sliding block and the lower sliding block; the horizontal feeding device comprises a grinding wheel, a gear acceleration box, a moving platform, a horizontal sliding block, a driving mechanism, a pulse motor and a ball screw pair, wherein the driving mechanism is positioned above the hanging bracket, the pulse motor and the ball screw pair are fixed on the hanging bracket, an output shaft of the gear acceleration box is connected with the grinding wheel, an input shaft of the gear acceleration box is connected with the driving mechanism, the ball screw pair is respectively connected with the pulse motor and the moving platform, the horizontal sliding block is connected on the hanging bracket in a sliding mode, the moving platform is fixedly connected with the horizontal sliding block, and the driving mechanism is fixed on the moving platform.
The lifting frame is fixedly connected with a round shaft, the ball nut is connected with a lifting plate, the lifting plate is provided with a round hole, and the round shaft is inserted into the round hole of the lifting plate.
An inner gear is arranged in the round hole, an outer gear is sleeved on the round shaft, and the hanger is rotatably connected with the lifting plate through the gear.
And a handle is fixed on the lifting plate and connected with the internal gear.
The round shaft is provided with a limiting hole, a limiting pin is inserted into the limiting hole, and the lifting plate is located between the hanger and the limiting pin.
Two supporting rollers are fixed at the bottom of the rack, and the two supporting rollers are the same in size.
The upper and lower slide blocks are four, and the left side and the right side of the rack are respectively distributed with two.
The driving mechanism is a gasoline engine, and the gasoline engine is connected with an input shaft of the gear acceleration box.
The movable platform is connected with a first support plate and a second support plate which are arranged in parallel, a dust cover used for shielding the grinding wheel is arranged between the first support plate and the second support plate, and the dust cover is in an inverted U shape.
The ball screw pair comprises a screw rod, a screw rod nut and a bearing seat, one end of the screw rod penetrates through the bearing seat to be connected with the pulse motor, and the other end of the screw rod is connected with the movable platform through the screw rod nut.
The left side and the right side of the rack refer to two sides which are vertical to the longitudinal direction of the steel rail.
The working principle of the invention is as follows:
through the mutual matching of the pulse motor and the ball screw pair, the pulse motor converts the rotary motion into the linear motion of the ball screw pair, so that the horizontal sliding block drives the grinding wheel on the moving platform to approach the steel rail along the direction vertical to the longitudinal direction of the steel rail, namely the transverse direction of the steel rail; and then power is transmitted to the grinding wheel through the driving mechanism and the gear accelerator box, so that the transverse automatic feeding of the grinding wheel is realized, and the fat edge of the steel rail is transversely ground. Through step motor and ball screw's cooperation, turn into step motor's rotary motion ball screw's up-and-down motion, and then drive the gallows up-and-down motion, when will polish the optional position in the fat limit height of rail, drive emery wheel up-and-down motion through the gallows to just can polish the optional position in the fat limit height of rail.
The beneficial effects of the invention are mainly shown in the following aspects:
1. according to the invention, the up-and-down moving device comprises a hanging bracket, a ball bearing seat, a ball screw and a ball nut sleeved on the ball screw, wherein a stepping motor and an upper sliding block and a lower sliding block are arranged on a rack; the horizontal feeding device comprises a grinding wheel, a gear acceleration box, a moving platform, a horizontal sliding block, a driving mechanism positioned above the hanging bracket, a pulse motor and a ball screw pair which are fixed on the hanging bracket, wherein an output shaft of the gear acceleration box is connected with the grinding wheel, an input shaft is connected with the driving mechanism, the ball screw pair is respectively connected with the pulse motor and the moving platform, the horizontal sliding block is slidably connected on the hanging bracket, the moving platform is fixedly connected with the horizontal sliding block, and the driving mechanism is fixed on the moving platform; when polishing the fat limit of rail, step motor's rotary motion turns into ball screw's up-and-down motion, and then drives the emery wheel up-and-down motion on the gallows to can polish the optional position on the fat limit height of rail, improve the whole effect that the fat limit of rail was polished.
2. According to the invention, the round shaft is fixedly connected to the hanging bracket, the lifting plate is connected to the ball nut, the round hole is formed in the lifting plate, and the round shaft is inserted into the round hole of the lifting plate, so that the whole hanging bracket can swing by a certain angle in the up-and-down moving process, the relative position of the grinding wheel and the fat edge height of the steel rail is adjusted, the grinding wheel is enabled to obliquely polish the fat edge of the steel rail, and chamfering after the fat edge of the steel rail is polished is further realized.
3. According to the invention, the circular hole is internally provided with the internal gear, the circular shaft is sleeved with the external gear, the hanger is rotationally connected with the lifting plate through the gear, and the swinging angle of the hanger in the up-and-down moving process can be increased in a gear transmission mode, so that the swinging flexibility of the hanger can be improved, and the integral effect of chamfering after the steel rail fat edge is polished can be improved.
4. According to the invention, the handle is fixed on the lifting plate and connected with the internal gear, the swinging angle of the hanger can be manually controlled through the handle, and fixed-point grinding can be performed on any position and angle of the fat edge of the steel rail, so that the grinding fineness of the fat edge of the steel rail is enhanced.
5. According to the invention, the round shaft is provided with the limiting hole, the limiting pin is inserted into the limiting hole, the lifting plate is positioned between the hanger and the limiting pin, the round shaft is limited by the limiting pin, the round shaft can be prevented from sliding out of the round hole of the lifting plate, the hanger can be ensured to be connected with the lifting plate in a rotating manner all the time, the hanger is prevented from falling off, and the use stability of the whole up-and-down moving device is ensured.
6. According to the invention, the two supporting rollers are fixed at the bottom of the rack, and have the same size, so that a certain supporting force can be provided for the rack, the load of the rack is reduced, the structural strength of the rack is ensured, and the service life of the rack is prolonged.
7. According to the invention, the number of the upper sliding blocks and the lower sliding blocks is four, and the number of the upper sliding blocks and the number of the lower sliding blocks are two respectively on the left side and the right side of the rack, so that the up-and-down movement of the hanger can be realized more smoothly, and the hanger has better stability.
8. According to the invention, the driving mechanism is a gasoline engine, the gasoline engine is connected with the input shaft of the gear accelerator box, the gasoline engine is used as a power source, and the gasoline engine is directly connected with the grinding wheel through the gear accelerator box, so that the accurate transmission ratio can be kept, the rotating speed of the grinding wheel is increased, and the grinding efficiency is improved.
9. According to the invention, the movable platform is connected with the first support plate and the second support plate which are arranged in parallel, the dust cover for shielding the grinding wheel is arranged between the first support plate and the second support plate, and the dust cover is in an inverted U shape, so that a certain dust prevention effect is achieved, and the flexibility and the stability of the grinding wheel in long-term use can be maintained.
10. According to the invention, the ball screw pair comprises the screw rod, the screw rod nut and the bearing seat, one end of the screw rod penetrates through the bearing seat to be connected with the pulse motor, the other end of the screw rod is connected with the mobile platform through the screw rod nut, the screw rod nut and the bearing seat are standard parts, and are not required to be additionally and separately processed and manufactured by a machine tool, the driving moment of the screw rod in the ball screw pair is only one third of that of a sliding screw rod, the moment is smaller, the labor is saved, and the grinding stability of a grinding wheel is favorably improved.
Drawings
The invention will be further described in detail with reference to the drawings and the detailed description, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the connection structure of the ball screw pair and the movable platform according to the present invention;
FIG. 4 is a schematic structural view of a dust cover disposed on the mobile platform according to the present invention;
FIG. 5 is a schematic view of the rotational connection of the hanger to the lifter plate of the present invention;
the labels in the figure are: 1. the device comprises a rack, 2, a hanger, 3, a ball bearing seat, 4, a ball screw, 5, a ball nut, 6, a stepping motor, 7, an upper sliding block, a lower sliding block, 13, a grinding wheel, 14, a gear accelerator box, 15, a moving platform, 16, a horizontal sliding block, 17, a driving mechanism, 18, a pulse motor, 19, a ball screw pair, 20, a circular shaft, 21, a lifting plate, 22, a circular hole, 23, an internal gear, 24, an external gear, 25, a handle, 26, a limiting pin, 46, a first support plate, 47, a second support plate, 48, a dust cover, 49, a screw rod, 50, a screw nut, 51 and a bearing seat.
Detailed Description
Example 1
A steel rail fat edge polisher comprises a rack 1, and further comprises an up-down moving device and a horizontal feeding device, wherein the up-down moving device comprises a hanger 2, a ball bearing pedestal 3, a ball screw 4 and a ball nut 5 sleeved on the ball screw 4, a stepping motor 6 and an upper slider 7 and a lower slider 7 are arranged on the rack 1, the hanger 2 is connected with the rack 1 in a sliding manner through the upper slider 7 and the lower slider 7, a motor shaft of the stepping motor 6 is connected with the ball bearing pedestal 3, one end of the ball screw 4 is connected with the ball bearing pedestal 3, the other end of the ball screw penetrates through the hanger 2, and the hanger 2 is connected with the ball screw 4 through the ball nut 5; the horizontal feeding device comprises a grinding wheel 13, a gear acceleration box 14, a moving platform 15, a horizontal sliding block 16, a driving mechanism 17 positioned above the hanging bracket 2, a pulse motor 18 fixed on the hanging bracket 2 and a ball screw pair 19, wherein an output shaft of the gear acceleration box 14 is connected with the grinding wheel 13, an input shaft is connected with the driving mechanism 17, the ball screw pair 19 is respectively connected with the pulse motor 18 and the moving platform 15, the horizontal sliding block 16 is connected on the hanging bracket 2 in a sliding mode, the moving platform 15 is fixedly connected with the horizontal sliding block 16, and the driving mechanism 17 is fixed on the moving platform 15.
The embodiment is the most basic implementation mode, the up-down moving device comprises a hanger, a ball bearing seat, a ball screw and a ball nut sleeved on the ball screw, a stepping motor and an upper and lower sliding blocks are arranged on a rack, the hanger is connected with the rack in a sliding manner through the upper and lower sliding blocks, a motor shaft of the stepping motor is connected with the ball bearing seat, one end of the ball screw is connected with the ball bearing seat, the other end of the ball screw penetrates through the hanger, and the hanger is connected with the ball screw through the ball nut; the horizontal feeding device comprises a grinding wheel, a gear acceleration box, a moving platform, a horizontal sliding block, a driving mechanism positioned above the hanging bracket, a pulse motor and a ball screw pair which are fixed on the hanging bracket, wherein an output shaft of the gear acceleration box is connected with the grinding wheel, an input shaft is connected with the driving mechanism, the ball screw pair is respectively connected with the pulse motor and the moving platform, the horizontal sliding block is slidably connected on the hanging bracket, the moving platform is fixedly connected with the horizontal sliding block, and the driving mechanism is fixed on the moving platform; when polishing the fat limit of rail, step motor's rotary motion turns into ball screw's up-and-down motion, and then drives the emery wheel up-and-down motion on the gallows to can polish the optional position on the fat limit height of rail, improve the whole effect that the fat limit of rail was polished.
Example 2
A steel rail fat edge polisher comprises a rack 1, and further comprises an up-down moving device and a horizontal feeding device, wherein the up-down moving device comprises a hanger 2, a ball bearing pedestal 3, a ball screw 4 and a ball nut 5 sleeved on the ball screw 4, a stepping motor 6 and an upper slider 7 and a lower slider 7 are arranged on the rack 1, the hanger 2 is connected with the rack 1 in a sliding manner through the upper slider 7 and the lower slider 7, a motor shaft of the stepping motor 6 is connected with the ball bearing pedestal 3, one end of the ball screw 4 is connected with the ball bearing pedestal 3, the other end of the ball screw penetrates through the hanger 2, and the hanger 2 is connected with the ball screw 4 through the ball nut 5; the horizontal feeding device comprises a grinding wheel 13, a gear acceleration box 14, a moving platform 15, a horizontal sliding block 16, a driving mechanism 17 positioned above the hanging bracket 2, a pulse motor 18 fixed on the hanging bracket 2 and a ball screw pair 19, wherein an output shaft of the gear acceleration box 14 is connected with the grinding wheel 13, an input shaft is connected with the driving mechanism 17, the ball screw pair 19 is respectively connected with the pulse motor 18 and the moving platform 15, the horizontal sliding block 16 is connected on the hanging bracket 2 in a sliding mode, the moving platform 15 is fixedly connected with the horizontal sliding block 16, and the driving mechanism 17 is fixed on the moving platform 15.
The hanger 2 is fixedly connected with a round shaft 20, the ball nut 5 is connected with a lifting plate 21, the lifting plate 21 is provided with a round hole 22, and the round shaft 20 is inserted into the round hole 22 of the lifting plate 21.
An internal gear 23 is arranged in the circular hole 22, an external gear 24 is sleeved on the circular shaft 20, and the hanger 2 is rotatably connected with the lifting plate 21 through a gear.
A handle 25 is fixed on the lifting plate 21, and the handle 25 is connected with the internal gear 23.
This embodiment is a preferred implementation mode, fixedly connected with circle axle on the gallows, is connected with the lifter plate on the ball nut, and it has the round hole to open on the lifter plate, and the circle axle is pegged graft on the round hole of lifter plate, and whole gallows just can reciprocate the certain angle of in-process swing, adjusts the relative position of emery wheel and the fat limit height of rail, makes the emery wheel carry out the slope to the fat limit of rail and polishes, and then realizes the fat limit of rail and polishes the back chamfer.
Be provided with the internal gear in the round hole, the epaxial cover of circle has the external gear, and the gallows passes through gear revolve with the lifter plate to be connected, through gear drive's mode, can increase the swing angle of gallows at the in-process that reciprocates, and can improve the swing flexibility of gallows, does benefit to the whole effect that improves the steel rail fat limit back chamfer of polishing.
Be fixed with the handle on the lifter plate, the handle is connected with the internal gear, can manually control the swing angle of gallows through the handle, can carry out the fixed point to the high optional position of rail fat limit, angle and polish to the fineness of polishing of reinforcing rail fat limit.
Example 3
A steel rail fat edge polisher comprises a rack 1, and further comprises an up-down moving device and a horizontal feeding device, wherein the up-down moving device comprises a hanger 2, a ball bearing pedestal 3, a ball screw 4 and a ball nut 5 sleeved on the ball screw 4, a stepping motor 6 and an upper slider 7 and a lower slider 7 are arranged on the rack 1, the hanger 2 is connected with the rack 1 in a sliding manner through the upper slider 7 and the lower slider 7, a motor shaft of the stepping motor 6 is connected with the ball bearing pedestal 3, one end of the ball screw 4 is connected with the ball bearing pedestal 3, the other end of the ball screw penetrates through the hanger 2, and the hanger 2 is connected with the ball screw 4 through the ball nut 5; the horizontal feeding device comprises a grinding wheel 13, a gear acceleration box 14, a moving platform 15, a horizontal sliding block 16, a driving mechanism 17 positioned above the hanging bracket 2, a pulse motor 18 fixed on the hanging bracket 2 and a ball screw pair 19, wherein an output shaft of the gear acceleration box 14 is connected with the grinding wheel 13, an input shaft is connected with the driving mechanism 17, the ball screw pair 19 is respectively connected with the pulse motor 18 and the moving platform 15, the horizontal sliding block 16 is connected on the hanging bracket 2 in a sliding mode, the moving platform 15 is fixedly connected with the horizontal sliding block 16, and the driving mechanism 17 is fixed on the moving platform 15.
The lifting frame 2 is fixedly connected with a round shaft 20, the ball nut 5 is connected with a lifting plate 21, the lifting plate 21 is provided with a round hole 22, and the round shaft 20 is inserted into the round hole 22 of the lifting plate 21.
An internal gear 23 is arranged in the circular hole 22, an external gear 24 is sleeved on the circular shaft 20, and the hanger 2 is rotatably connected with the lifting plate 21 through a gear.
A handle 25 is fixed on the lifting plate 21, and the handle 25 is connected with the internal gear 23.
The round shaft 20 is provided with a limiting hole, a limiting pin 26 is inserted into the limiting hole, and the lifting plate 21 is positioned between the hanger 2 and the limiting pin 26.
Two supporting rollers are fixed at the bottom of the machine frame 1 and are the same in size.
The upper and lower sliding blocks 7 are four in number, and the left side and the right side of the rack 1 are respectively provided with two sliding blocks.
The embodiment is a preferred embodiment, and it has spacing hole to open on the circle axle, and the spacer pin has been pegged graft on the spacing hole, and the lifter plate is located between gallows and the spacer pin, through the injecing of spacer pin to the circle axle, can prevent that the circle axle from the downthehole roll-off of lifter plate, and then can ensure that the gallows rotates with the lifter plate all the time and links together, prevents that the gallows from dropping, ensures whole reciprocating device's stability in use.
The bottom of frame is fixed with two supporting rollers, and two supporting rollers's size is the same, can provide certain holding power for the frame, reduces the load of frame, ensures the structural strength of frame, prolongs the life of frame.
The upper sliding block and the lower sliding block are four, the left side and the right side of the rack are respectively provided with two sliding blocks, the hanger can be more smoothly moved up and down, and the hanger has better stability.
Example 4
A steel rail fat edge polisher comprises a rack 1, and further comprises an up-down moving device and a horizontal feeding device, wherein the up-down moving device comprises a hanger 2, a ball bearing pedestal 3, a ball screw 4 and a ball nut 5 sleeved on the ball screw 4, a stepping motor 6 and an upper slider 7 and a lower slider 7 are arranged on the rack 1, the hanger 2 is connected with the rack 1 in a sliding manner through the upper slider 7 and the lower slider 7, a motor shaft of the stepping motor 6 is connected with the ball bearing pedestal 3, one end of the ball screw 4 is connected with the ball bearing pedestal 3, the other end of the ball screw penetrates through the hanger 2, and the hanger 2 is connected with the ball screw 4 through the ball nut 5; the horizontal feeding device comprises a grinding wheel 13, a gear acceleration box 14, a moving platform 15, a horizontal sliding block 16, a driving mechanism 17 positioned above the hanging bracket 2, a pulse motor 18 fixed on the hanging bracket 2 and a ball screw pair 19, wherein an output shaft of the gear acceleration box 14 is connected with the grinding wheel 13, an input shaft is connected with the driving mechanism 17, the ball screw pair 19 is respectively connected with the pulse motor 18 and the moving platform 15, the horizontal sliding block 16 is connected on the hanging bracket 2 in a sliding mode, the moving platform 15 is fixedly connected with the horizontal sliding block 16, and the driving mechanism 17 is fixed on the moving platform 15.
The lifting frame 2 is fixedly connected with a round shaft 20, the ball nut 5 is connected with a lifting plate 21, the lifting plate 21 is provided with a round hole 22, and the round shaft 20 is inserted into the round hole 22 of the lifting plate 21.
An inner gear 23 is arranged in the round hole 22, an outer gear 24 is sleeved on the round shaft 20, and the hanger 2 is rotatably connected with the lifting plate 21 through a gear.
A handle 25 is fixed on the lifting plate 21, and the handle 25 is connected with the internal gear 23.
The round shaft 20 is provided with a limiting hole, a limiting pin 26 is inserted into the limiting hole, and the lifting plate 21 is positioned between the hanger 2 and the limiting pin 26.
Two supporting rollers are fixed at the bottom of the machine frame 1 and are the same in size.
The number of the upper sliding blocks and the lower sliding blocks 7 is four, and the left side and the right side of the rack 1 are respectively distributed with two.
The driving mechanism 17 is a gasoline engine, and the gasoline engine is connected with an input shaft of the gear acceleration box 14.
The movable platform 15 is connected with a first support plate 46 and a second support plate 47, the first support plate 46 and the second support plate 47 are arranged in parallel, a dust cover 48 for shielding the grinding wheel 13 is arranged between the first support plate 46 and the second support plate 47, and the dust cover 48 is in an inverted U shape.
The ball screw pair 19 comprises a screw 49, a screw nut 50 and a bearing seat 51, one end of the screw 49 penetrates through the bearing seat 51 to be connected with the pulse motor 18, and the other end of the screw 49 is connected with the movable platform 15 through the screw nut 50.
The embodiment is a best implementation mode, the up-and-down moving device comprises a hanging bracket, a ball bearing seat, a ball screw and a ball nut sleeved on the ball screw, a stepping motor and an upper sliding block and a lower sliding block are arranged on the rack, the hanging bracket is connected with the rack in a sliding manner through the upper sliding block and the lower sliding block, a motor shaft of the stepping motor is connected with the ball bearing seat, one end of the ball screw is connected with the ball bearing seat, the other end of the ball screw penetrates through the hanging bracket, and the hanging bracket is connected with the ball screw through the ball nut; the horizontal feeding device comprises a grinding wheel, a gear accelerator box, a moving platform, a horizontal sliding block, a driving mechanism, a pulse motor and a ball screw pair, wherein the driving mechanism is positioned above the hanging bracket, the pulse motor and the ball screw pair are fixed on the hanging bracket; when polishing the fat limit of rail, step motor's rotary motion turns into ball screw's up-and-down motion, and then drives the emery wheel up-and-down motion on the gallows to can polish the optional position on the fat limit height of rail, improve the whole effect that the fat limit of rail was polished.
The driving mechanism is a gasoline engine, the gasoline engine is connected with an input shaft of the gear accelerating box, the gasoline engine is used as a power source, and the gasoline engine is directly connected with the grinding wheel through the gear accelerating box, so that the accurate transmission ratio can be kept, the rotating speed of the grinding wheel is increased, and the grinding efficiency is improved.
The movable platform is connected with a first support plate and a second support plate which are arranged in parallel, a dust cover used for shielding the grinding wheel is arranged between the first support plate and the second support plate, the dust cover is in an inverted 'U' shape, a certain dust prevention effect is achieved, and the flexibility and the stability of the grinding wheel in long-term use can be kept.
The ball screw pair comprises a screw rod, a screw rod nut and a bearing seat, one end of the screw rod penetrates through the bearing seat to be connected with the pulse motor, the other end of the screw rod is connected with the mobile platform through the screw rod nut, the screw rod nut and the bearing seat are standard parts, a machine tool does not need to additionally and independently process and manufacture, the driving torque of the screw rod in the ball screw pair is only one third of that of a sliding screw rod, the torque is smaller, the force is more saved, and the grinding stability of a grinding wheel is favorably improved.
Claims (5)
1. The utility model provides a rail fat limit polisher, includes frame (1), its characterized in that: the automatic feeding device comprises a rack (2), a ball bearing seat (3), a ball screw (4) and a ball nut (5) sleeved on the ball screw (4), a stepping motor (6) and upper and lower sliding blocks (7) are arranged on a rack (1), the rack (2) is connected with the rack (1) in a sliding mode through the upper and lower sliding blocks (7), a motor shaft of the stepping motor (6) is connected with the ball bearing seat (3), one end of the ball screw (4) is connected with the ball bearing seat (3), the other end of the ball screw penetrates through the rack (2), and the rack (2) is connected with the ball screw (4) through the ball nut (5); the horizontal feeding device comprises a grinding wheel (13), a gear acceleration box (14), a moving platform (15), a horizontal sliding block (16), a driving mechanism (17) positioned above the hanging bracket (2), a pulse motor (18) and a ball screw pair (19) which are fixed on the hanging bracket (2), wherein an output shaft of the gear acceleration box (14) is connected with the grinding wheel (13), an input shaft is connected with the driving mechanism (17), the ball screw pair (19) is respectively connected with the pulse motor (18) and the moving platform (15), the horizontal sliding block (16) is connected onto the hanging bracket (2) in a sliding manner, the moving platform (15) is fixedly connected with the horizontal sliding block (16), and the driving mechanism (17) is fixed onto the moving platform (15);
a round shaft (20) is fixedly connected to the hanger (2), a lifting plate (21) is connected to the ball nut (5), a round hole (22) is formed in the lifting plate (21), and the round shaft (20) is inserted into the round hole (22) of the lifting plate (21);
an inner gear (23) is arranged in the round hole (22), an outer gear (24) is sleeved on the round shaft (20), and the hanger (2) is rotationally connected with the lifting plate (21) through a gear;
a handle (25) is fixed on the lifting plate (21), and the handle (25) is connected with the internal gear (23);
a limiting hole is formed in the round shaft (20), a limiting pin (26) is inserted into the limiting hole, and the lifting plate (21) is located between the hanger (2) and the limiting pin (26);
the ball screw pair (19) comprises a screw rod (49), a screw rod nut (50) and a bearing seat (51), one end of the screw rod (49) penetrates through the bearing seat (51) to be connected with the pulse motor (18), and the other end of the screw rod (49) is connected with the moving platform (15) through the screw rod nut (50).
2. A steel rail fat edge grinding machine according to claim 1, characterized in that: two supporting rollers are fixed at the bottom of the rack (1) and have the same size.
3. A steel rail fat edge grinding machine according to claim 1, characterized in that: the number of the upper sliding blocks and the lower sliding blocks (7) is four, and the left side and the right side of the rack (1) are respectively distributed two.
4. A steel rail fat edge grinding machine according to claim 1, characterized in that: the driving mechanism (17) is a gasoline engine, and the gasoline engine is connected with an input shaft of the gear acceleration box (14).
5. A steel rail fat edge grinding machine according to claim 1, characterized in that: the movable platform (15) is connected with a first support plate (46) and a second support plate (47), the first support plate (46) and the second support plate (47) are arranged in parallel, a dust cover (48) used for shielding the grinding wheel (13) is arranged between the first support plate (46) and the second support plate (47), and the dust cover (48) is in an inverted U shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591228.6A CN107178016B (en) | 2017-07-19 | 2017-07-19 | Steel rail fat edge grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591228.6A CN107178016B (en) | 2017-07-19 | 2017-07-19 | Steel rail fat edge grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN107178016A CN107178016A (en) | 2017-09-19 |
| CN107178016B true CN107178016B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710591228.6A Active CN107178016B (en) | 2017-07-19 | 2017-07-19 | Steel rail fat edge grinding machine |
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| Country | Link |
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| CN (1) | CN107178016B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442195B (en) * | 2018-04-18 | 2024-02-09 | 苏州贝尔纳德铁路设备有限公司 | Precise swing mechanism for fixing plate of power transmission box of steel rail turnout sander |
| CN108625238A (en) * | 2018-06-29 | 2018-10-09 | 西安翔迅科技有限责任公司 | A kind of rail grinding machine |
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| CN105463960A (en) * | 2015-12-22 | 2016-04-06 | 常州市瑞泰工程机械有限公司 | Steel rail web grinding and derusting machine |
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| GB1202070A (en) * | 1966-11-26 | 1970-08-12 | Karl Heesemann | Belt grinding machine |
| DE10131266A1 (en) * | 2001-06-29 | 2003-01-09 | Bosch Gmbh Robert | hand grinder |
| CN2659938Y (en) * | 2003-12-11 | 2004-12-01 | 彭连弟 | Switch dresser |
| CN201350580Y (en) * | 2008-11-28 | 2009-11-25 | 焦作市月山工务机械厂 | Steel rail profile refining mill |
| KR101194791B1 (en) * | 2010-06-25 | 2012-10-25 | 서울메트로 | Turnout rail grinding machine |
| CN202037518U (en) * | 2011-04-21 | 2011-11-16 | 韩忠福 | Steel rail and turnout polisher |
| CN104404846B (en) * | 2014-11-17 | 2017-02-01 | 南京宏典轨道装备有限公司 | Rail grinding machine |
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| CN104562876B (en) * | 2014-12-26 | 2017-02-08 | 中车北京二七机车有限公司 | Steel rail polishing device and steel rail milling grinding machine |
| KR101696420B1 (en) * | 2015-10-21 | 2017-01-17 | 주식회사 우진기전 | Apparatus for grinding the surface of concrete guideway |
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| CN106223143B (en) * | 2016-09-07 | 2018-07-24 | 北京交通大学 | Steel-rail rail-road switch belt grinder |
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| FR2358967A1 (en) * | 1976-07-20 | 1978-02-17 | Thibaut Sa | Multiple stone block grinding machine - has overhead grinder travelling along different zigzag paths during successive passes |
| CN105463960A (en) * | 2015-12-22 | 2016-04-06 | 常州市瑞泰工程机械有限公司 | Steel rail web grinding and derusting machine |
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| Publication number | Publication date |
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| CN107178016A (en) | 2017-09-19 |
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Effective date of registration: 20230403 Address after: No. 175-44, Zhengjie, Guyi Town, Qionglai City, Chengdu City, Sichuan Province, 611533 Applicant after: Yang Huaijie Address before: Room 701-008, Building A, Tibet Xixin Trading Co., Ltd., No. 7 Linqionggang East 1st Road, Lhasa Economic and Technological Development Zone, Tibet Autonomous Region, 850000 Applicant before: TIBET TIANREN TECHNOLOGY DEVELOPMENT CO.,LTD. |