CN115538232A

CN115538232A - Multifunctional grinding device

Info

Publication number: CN115538232A
Application number: CN202211542130.9A
Authority: CN
Inventors: 张超; 薛钢; 王彬; 曹仁义; 薛伟; 胡四海; 李祥
Original assignee: Jiangsu Ruilitai Railway Technology Co ltd
Current assignee: Jiangsu Ruilitai Railway Technology Co ltd
Priority date: 2022-12-03
Filing date: 2022-12-03
Publication date: 2022-12-30
Anticipated expiration: 2042-12-03
Also published as: CN115538232B

Abstract

The invention relates to a multifunctional grinding device, which comprises a grinding seat; the polishing shaft is rotatably arranged on the polishing seat and used for mounting a polishing cutter, and the polishing cutter is positioned at the bottom of the polishing seat; the feeding device is arranged on the polishing seat and connected with the polishing shaft; the polishing driving device is connected with the feeding device and is used for driving the polishing shaft to rotate; the grinding rollers are rotatably arranged at two ends of the grinding seat and used for moving the grinding seat against the steel rail; the limiting wheels are rotatably arranged at two ends of the polishing seat and are used for being clamped on the steel rail to roll and enabling the polishing device to rotate for polishing angles; the operating rod is connected with the limiting wheel; the angle locking device is respectively connected with the polishing seat and the operating rod and used for adjusting and locking the polishing angle of the polishing device. This multi-functional grinding device can accomplish the polishing to rail top surface, arc surface and side to can lock the angle of polishing, improve the control accuracy of the feeding volume of polishing simultaneously through feed arrangement, and feed arrangement simple structure, reliable and stable.

Description

Multifunctional grinding device

Technical Field

The invention relates to a steel rail grinding device, in particular to a multifunctional grinding device.

Background

After the steel rail is used for a period of time, the surface of the steel rail is easy to generate defects such as fatigue cracks, peeling, fat edges and the like, wave abrasion and the like, and the defects influence the running safety and stability of the railway, so the steel rail needs to be regularly repaired. For example, in the rail grinding wagon grinding unit disclosed in chinese patent CN103911924A, although the rail can be ground, the top surface of the rail can only be vibrated to be ground, and the fat edge and the arc surface cannot be ground, and therefore, the rail needs to be ground manually, which is high in labor intensity, low in efficiency, and unstable in grinding quality. Meanwhile, the polishing unit cannot accurately adjust the polishing feeding amount, so that the polishing consistency is poor, and the polishing flatness is poor.

Disclosure of Invention

In order to solve the problems, the invention provides a multifunctional grinding device which can grind the top surface of a steel rail, can grind the side surface and the arc surface of the steel rail, has good grinding consistency and high planeness, and the specific technical scheme is as follows:

a multi-function sharpening device comprising: polishing the base; the polishing shaft is rotatably arranged on the polishing seat and used for mounting a polishing cutter, and the polishing cutter is positioned at the bottom of the polishing seat; the feeding device is arranged on the polishing seat and connected with the polishing shaft; the polishing driving device is connected with the feeding device and is used for driving the polishing shaft to rotate; the polishing rollers are rotatably arranged at two ends of the polishing seat and are used for moving the polishing seat against the steel rail; the limiting wheels are rotatably arranged at two ends of the polishing seat and are used for being clamped on a steel rail to roll and enabling the polishing device to rotate for polishing angles; the operating rod is connected with the limiting wheel; and the angle locking device is respectively connected with the polishing seat and the operating rod and is used for adjusting and locking the polishing angle of the polishing device.

Preferably, the angle locking means includes: the angle adjusting rod is fixed on the operating rod; the locking seat is arranged on the polishing seat; the locking handle is connected with the locking seat through threads; the movable clamping plate is positioned on one side of the locking seat, one end of the locking handle is rotatably connected with the movable clamping plate, the angle adjusting rod is movably inserted between the movable clamping plate and the locking seat, and the locking handle is used for pressing the angle adjusting rod on the locking seat through the movable clamping plate.

Preferably, the device further comprises a balancing device, wherein the balancing device comprises: one end of the balancing rod is fixed on the operating rod; and the balance roller is rotatably arranged at the other end of the balance rod and is used for rolling on the other steel rail.

Preferably, the limiting wheel comprises: the limiting shaft is rotatably arranged on the polishing seat; the outer gear wheel is rotatably arranged at one end of the limiting shaft; and the inner catch wheel is rotatably arranged at the other end of the limiting shaft, the diameter of the outer catch wheel is larger than that of the inner catch wheel, and the inner catch wheel is positioned on the inner side of the steel rail.

Preferably, still include impeller device, impeller device includes: the impeller seats are fixed at two ends of the polishing seat; and the wave roller is rotatably arranged on the wave roller seat and is provided with a plurality of wave rollers.

Preferably, the feeding device includes: the polishing barrel is arranged on the polishing seat; the feed driving device is arranged on the grinding cylinder; the lifting transmission device is arranged on the grinding cylinder and is connected with the feeding driving device; the lifting sleeve is rotatably arranged on the grinding cylinder, the grinding shaft is movably inserted into the lifting sleeve and is connected with the lifting transmission device, and a grinding disc for mounting a grinding cutter is arranged at the end part of the grinding shaft; the transmission key is arranged between the grinding shaft and the lifting sleeve and used for enabling the grinding shaft to rotate along with the lifting sleeve; the feeding driving device is used for driving the polishing shaft to lift through the lifting transmission device.

Preferably, the feed driving device includes: the feeding shaft is rotatably arranged at the top of the grinding barrel and is provided with a feeding threaded rod; the feeding sleeve is arranged on the feeding threaded rod and is connected with the lifting transmission device; a feed motor mounted on the grinding drum; a second belt drive connected to the feed motor and the feed shaft, respectively; and the feeding handle is connected with the feeding shaft.

Further, the lifting transmission device comprises: the lifting cylinder is arranged on the grinding cylinder; the lifting seat is slidably arranged in the lifting cylinder and is connected with the feeding device; and the lifting bearing is arranged on the lifting seat and connected with the polishing shaft.

Preferably, the sanding drive includes: the first belt transmission device is connected with the lifting sleeve; and the rotating motor is arranged on the polishing seat, is connected with the first belt transmission device and is used for driving the lifting sleeve and the polishing shaft to rotate through the first belt transmission device.

Preferably, the method further comprises the following steps: a power supply device, the power supply device comprising: the battery frame is fixed on the polishing seat; the battery socket is fixed on the battery rack and is respectively connected with the feeding device and the polishing driving device; and the lithium battery is inserted into the battery socket and is positioned in the battery rack.

Compared with the prior art, the invention has the following beneficial effects:

the multifunctional grinding device provided by the invention can realize the adjustment of the grinding angle through the rotatable limiting wheel, realize the locking of the grinding angle through the angle locking device, can finish the grinding of the top surface, the arc surface and the side surface of a steel rail, and simultaneously improve the control precision of the grinding feeding amount through the feeding device, and the feeding device has a simple structure, and is stable and reliable.

Drawings

Fig. 1 is a schematic structural view of a multifunctional grinding device.

Fig. 2 is an assembly schematic diagram of the grinding seat, the operating rod, the grinding roller, the limiting wheel and the balancing device.

Figure 3 is an elevation view of the assembly of the sanding block, operating rod, sanding roller and spacing wheel.

Fig. 4 is an assembly schematic diagram of the grinding seat, the operating rod, the grinding roller and the limiting wheel.

Fig. 5 is an assembly schematic diagram of the operating lever, the rotating base, the spacing wheel and the angle locking device.

Fig. 6 is a front view of the spacing wheel.

Fig. 7 is a schematic structural view of the spacing wheel.

Fig. 8 is a schematic view of the locking device.

Fig. 9 is a schematic view of the structure of the balancing apparatus.

Fig. 10 is a schematic structural view of the balance seat.

Fig. 11 is a schematic structural view of the pulsator device.

Fig. 12 is a cross-sectional view of the feeding device.

Fig. 13 is a schematic view of the feeding device.

Fig. 14 is a schematic structural view of the sanding drive.

Fig. 15 is a schematic configuration diagram of the power supply device.

Fig. 16 is a schematic view of a multifunctional grinding device for grinding vertically to a rail.

Fig. 17 is a schematic view of a multi-function sharpening device in a horizontal state.

Fig. 18 is a schematic view of a multifunctional grinding device for grinding the side surface of a steel rail.

Figure 19 is a schematic view of a multi-function sharpening device in an inclined state.

Fig. 20 is a schematic structural diagram of a multifunctional grinding device for grinding a circular arc surface of a steel rail.

Detailed Description

The invention will now be further described with reference to the accompanying drawings.

As shown in fig. 1 to 20, a multifunctional polishing device comprises a polishing base 1, a polishing shaft 87, a feeding device 8, a polishing driving device, a polishing roller 2, a limiting wheel 3, an operating rod 4, an angle locking device 5 and a power supply device.

Grinding seat 1 has certain length, and grinding shaft 87 is located the center department of grinding seat 1, and grinding shaft 87's bottom is equipped with the dish of polishing 871, and the dish of polishing 871 is used for installing grinding tool 92, and the dish of polishing 871 is located the below of grinding seat 1, sets up with rail 91 is relative. Both ends of the polishing seat 1 are respectively provided with a polishing roller 2 in a rotating way, and the polishing rollers 2 are used for rolling on the steel rail 91 and supporting the polishing seat 1 to reciprocate. The rotating seat 11 is installed on the polishing seat 1 through a rotating shaft 12 and a rotating bearing seat 13, and is located at two ends of the polishing seat 1, and the rotating bearing seat 13 is also located at the inner side of the polishing roller 2.

The limiting wheel 3 comprises a limiting shaft 33, an outer catch wheel 31 and an inner catch wheel 32, the limiting shaft 33 is fixed on the rotating seat 11, the outer catch wheel 31 and the inner catch wheel 32 are rotatably installed at two ends of the limiting shaft 33 through bearings respectively, the diameter of the outer catch wheel 31 is larger than that of the inner catch wheel 32, and the inner catch wheel 32 is located on the inner side of a steel rail 91 on a track. Because the lateral surface of rail 91 need not polish, consequently grinding device only need be to the inboard upset of rail 91, and the diameter of outer catch wheel 31 is great can continue the card on rail 91 when grinding device inwards overturns, realizes spacing to grinding seat 1, prevents that grinding device from breaking away from rail 91. The diameter of the inner catch wheel 32 is small, and the inner catch wheel does not interfere with the steel rail 91 when being turned over, so that the grinding device can be conveniently moved to a horizontal state from a vertical state, namely the grinding device can conveniently grind the top, the arc surface and the side surface of the steel rail 91. Spacing wheel 3 keeps off wheel 31 and interior fender wheel 32 card on rail 91 through outer, makes polishing seat 1 and grinding device along rail 91 reciprocating motion, prevents that grinding device skew rail 91 from having improved the reliability of polishing to the quality of polishing has been guaranteed to the position of effective control polishing. The surfaces of the outer catch wheel 31 and the inner catch wheel 32 opposite to the steel rail 91 are conical surfaces, and the conical surfaces can reduce the contact area with the steel rail 91, so that the friction force is reduced, and the grinding seat 1 is labor-saving to move.

The operating rod 4 is made of steel pipes and is U-shaped, the reinforcing rod 41 is arranged on the operating rod 4, the reinforcing rod 41 is located at the bottom of the operating rod 4, and two ends of the operating rod 4 are welded on the rotating seat 11. The reinforcing rod 41 increases the strength of the operation lever 4. The operating rod 4 drives the rotating seat 11 and the limiting wheel 3 to rotate. The operating rod 4 is also used for pushing the grinding device to move back and forth along the steel rail 91 for grinding.

The angle locking device 5 comprises a locking device and an angle adjusting rod 57, wherein the angle adjusting rod 57 is arc-shaped, and one end of the angle adjusting rod 57 is welded on the reinforcing rod 41. The locking device comprises a locking seat 51, a locking handle 52 and a movable clamping plate 53, the locking seat 51 is fixed on the polishing seat 1, the locking handle 52 is connected with the locking seat 51 through threads, the other end of the locking handle 52 is movably inserted on the movable clamping plate 53, a limiting ring 54 is arranged on the locking handle 52, and the limiting ring 54 is positioned on the outer side of the movable clamping plate 53 and used for clamping the movable clamping plate 53. The locking seat 51 is also provided with an anti-rotation shaft 56, and the anti-rotation shaft 56 is also movably inserted on the movable clamping plate 53 to prevent the movable clamping plate 53 from rotating. The angle adjusting rod 57 is movably inserted between the movable clamp plate 53 and the locking seat 51. The locking handle 52 is rotated to drive the movable clamp plate 53 to clamp the angle adjusting rod 57 or loosen the angle adjusting rod 57. When the movable clamping plate 53 clamps the angle adjusting rod 57 on the locking seat 51, the polishing angle is locked, and the polishing angle is maintained for polishing. When the movable clamp plate 53 is loosened, the limiting wheel 3 can be rotated, and then the included angle between the grinding device and the steel rail 91 is adjusted.

In order to improve the grinding stability, the grinding machine further comprises a balancing device 6, wherein the balancing device 6 comprises a balancing rod 62, a balancing roller 61, a balancing seat 64 and a first spring bolt 65. The balance shaft of the balance roller 61 is fixed at one end of the balance rod 62, and one end of the balance roller 61 is provided with a stop ring 611 matched with the steel rail 91. The balance bar 62 is made of steel pipe. The other end of the balancing rod 62 is provided with a first positioning pin 63 and a first positioning hole 621. The balance base 64 is fixed on the fixed link 66 of the reinforcing rod 41 and located at one side of the angle adjusting rod 57, a first insertion hole 641 and a first positioning groove 642 are formed in the balance base 64, and the first insertion hole 641 is communicated with the first positioning groove 642. The other end of the stabilizer bar 62 is inserted into the first insertion hole 641, the first positioning pin 63 is inserted into the first positioning groove 642, and the first positioning pin 63 and the first positioning groove 642 prevent the stabilizer bar 62 from rotating, thereby improving the reliability of connection. The first spring bolt 65 is an existing mature product, is installed on the balance seat 64, and is disposed opposite to the first positioning hole 621, and is used for being inserted into the first positioning hole 621 to prevent the balance bar 62 from being separated from the balance seat 64. The first spring bolt 65 facilitates dismounting and mounting of the balancing device 6, facilitates mounting of the balancing rod 62 as required, and facilitates storage and transportation.

Balance roller 61 is used for supporting on another rail 91, realizes the support to grinding device, and keeps off ring 611 and prevents that grinding device from removing to another rail 91 direction, and then removes grinding device restriction on rail 91, need not artifical control grinding device at will and removes at rail 91, has reduced intensity of labour, and it is more convenient to operate.

The balancing device 6 is used for supporting the grinding device, so that an operator only needs to push the grinding device to move along the steel rail 91, the reliable positioning of the grinding device is realized, the grinding device is prevented from being separated from the steel rail 91, and the grinding is convenient.

In order to improve the grinding quality, the grinding machine further comprises a wave wheel device 7, wherein the wave wheel device 7 is installed at two ends of the grinding seat 1, and the wave wheel device 7 comprises a wave wheel seat 71, a wave roller 72, a wave wheel connecting seat 75, a wave wheel connecting rod 73 and a second spring bolt 76. The pulsator connecting base 75 is fixed at both ends of the grinding base 1, and a second insertion hole 751 and a second positioning groove 752 are provided on the pulsator connecting base 75, and the second insertion hole 751 is communicated with the second positioning groove 752. One end of the pulsator connecting rod 73 is provided with a second positioning pin 74 and a second positioning hole 731, the end of the pulsator connecting rod 73 is inserted in the second insertion hole 751, the second positioning pin 74 is inserted in the second positioning groove 752, and the second positioning pin 74 and the second positioning groove 752 prevent the pulsator connecting rod 73 from rotating. The second spring bolt 76 is installed on the pulsator connecting base 75, and the second spring bolt 76 is inserted into the second positioning hole 731 to prevent the pulsator connecting rod 73 from falling off. The wave wheel connecting rod 73 is fixed on the wave wheel base 71, and eight wave wheels 72 are rotatably arranged on the wave wheel base 71. The number of the undulation rollers 72 can be set according to actual needs. The fluctuation roller 72 is used for improving the polishing quality and ensuring the polishing flatness. The surface of the steel rail 91 is rough, so that a wave shape is formed, and the fluctuation roller 72 can eliminate the influence of a wave peak on the polishing, so that the flatness after polishing meets the requirement. A plurality of undulant gyro wheels 72 seek the balance jointly, guarantee the plane degree of polishing, solve only two gyro wheels 2 of polishing and lead to polishing highly inconsistent, the problem of unevenness.

The feeding device 8 comprises a grinding cylinder, a feeding driving device, a lifting transmission device, a lifting sleeve 861 and a transmission key.

The polishing barrel comprises a top barrel 811, a feeding seat 841, a bearing barrel 812, a connecting barrel 813 and a fixed barrel 814 which are connected in sequence from top to bottom, the fixed barrel 814 is arranged on the polishing seat 1, and the fixed barrel 814 can be of an integral structure with the polishing seat 1. The bearing cylinder 812 houses the feed bearing 822, and the rotary bearings 862 are installed at both ends of the fixed cylinder 814.

The feeding driving means includes a feeding shaft 821, a feeding sleeve 83, a feeding motor 843, a second belt transmission means, and a feeding handle 845. The feeding shaft 821 is installed on the feeding bearing 822, one end of the feeding shaft 821 is connected with the feeding handle 845 through a coupler, the other end of the feeding shaft 821 is provided with a feeding threaded rod 8211, the feeding threaded rod 8211 is connected with the feeding sleeve 83 through threads, and the feeding sleeve 83 is movably located in the connecting cylinder 813. A feed handle 845 is movably inserted over the top barrel 811 and the handle is located outside of the top barrel 811. The feed handle 845 is used to manually adjust the feed amount of sanding. The feeding motor 843 is installed on the feeding seat 841, the feeding seat 841 is a box structure, and the second belt transmission device is located inside the feeding seat 841. The second belt transmission device includes a second driving pulley 842, a second driven pulley 844 and a second synchronous belt, the second driving pulley 842 is installed on the feeding motor 843, the second driven pulley 844 is installed on the feeding shaft 821, and the second synchronous belt is respectively sleeved on the second driving pulley 842 and the second driven pulley 844.

The lifting transmission device comprises a lifting cylinder 851, a lifting seat 852 and a lifting bearing 853, the lifting cylinder 851 is fixed on the connecting cylinder 813, the lifting seat 852 is inserted into the lifting cylinder 851 in a sliding manner and used for lifting along the lifting cylinder 851, the lifting bearing 853 is arranged on the lifting seat 852, the inner ring of the lifting bearing 853 is connected with the top of the polishing shaft 87, and the polishing shaft 87 can rotate and can lift along with the lifting seat 852. The lifting transmission device realizes the lifting and free rotation of the grinding shaft 87.

The lifting sleeve 861 is arranged on the inner ring of the rotating bearing 862, the rotating bearing 862 is clamped on the hole shoulder of the fixed cylinder 814, a shaft clamp spring is arranged between the top of the lifting sleeve 861 and the rotating bearing 862, a connecting flange is arranged at the bottom of the lifting sleeve 861, and the shaft clamp spring and the connecting flange prevent the lifting sleeve 861 from moving along the axial direction. The bottom of the stationary barrel 814 is fitted with a bottom end cap that secures the outer race of the bottom swivel bearing 862 to the stationary barrel 814. The polishing shaft 87 is movably inserted into the lifting sleeve 861, a transmission groove is formed in the inner circular surface of the lifting sleeve 861, a transmission key is slidably inserted into the transmission groove and is also arranged on the polishing shaft 87, and the transmission key is used for enabling the lifting sleeve 861 and the polishing shaft 87 to rotate synchronously.

When the grinding feeding amount is adjusted, the feeding motor 843 drives the feeding shaft 821 to rotate according to the set feeding amount, the feeding shaft 821 drives the grinding shaft 87 to move by the set feeding amount through the feeding sleeve 83, the whole structure is compact, the grinding shaft 87 can be conveniently lifted, the rotation of the grinding shaft 87 is not influenced, the grinding feeding amount is accurately controlled through the feeding motor 843, and the grinding feeding amount control accuracy is improved.

The sanding drive includes a first belt drive, a rotary motor 893, a drive housing 881, and a seal 882. The rotating motor 893 is installed on the grinding seat 1 and is located one side of the fixed cylinder 814, the first belt transmission device comprises a first driving pulley 892, a first driven pulley 891 and a first synchronous belt 894, the first driving pulley 892 is installed on the rotating motor 893, the first driven pulley 891 is installed on a flange of the lifting sleeve 861, and the first synchronous belt 894 is sleeved on the first driving pulley 892 and the first driven pulley 891. The transmission housing 881 is installed at the bottom of the polishing seat 1, the first belt transmission device is positioned in the transmission housing 881, the polishing shaft 87 movably penetrates through a housing hole of the transmission housing 881, a sealing groove is arranged on the housing, and the sealing ring 882 is installed in the sealing groove and movably inserted on the polishing shaft 87. The rotating motor 893 is used for driving the grinding tool 92 to rotate through the first belt transmission device, and grinding of the steel rail 91 is achieved. The transmission housing 881 protects the first belt transmission, improves safety, and prevents dust from entering the feeding device 8, protecting the internal components.

The power supply device comprises a battery frame 96, a battery socket 95 and a lithium battery 94, wherein the battery frame 96 is fixed on the polishing seat 1; the battery socket 95 is fixed on the battery frame 96 and is respectively connected with the feeding device 8 and the polishing driving device; the lithium battery 94 is plugged into a battery socket 95 and is located in a battery holder 96.

The rotary motor 893 and the feed motor 843 are both connected to a controller 93, the controller 93 is mounted on the rotary motor 893, and the controller 93 is connected to a battery receptacle 95. The battery receptacle 95 facilitates replacement of the lithium battery 94. The lithium battery 94 is convenient to carry and use and is suitable for field action without field power connection.

The controller can realize two grinding modes of low-speed grinding and high-speed grinding, wherein the rotating speed of the low-speed grinding is 4200rpm, the low-speed grinding is used for rough grinding and 150-diameter grinding wheels, and the rotating speed of the high-speed grinding is 4800rpm, the high-speed grinding is used for fine grinding and 125-diameter grinding wheels.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be taken in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.

Claims

1. A multifunctional grinding device, comprising:

a polishing seat (1);

the polishing shaft (87) is rotatably arranged on the polishing seat (1) and used for installing a polishing cutter (92), and the polishing cutter (92) is positioned at the bottom of the polishing seat (1);

the feeding device (8) is mounted on the grinding seat (1), and the feeding device (8) is connected with the grinding shaft (87);

the grinding driving device is connected with the feeding device (8) and is used for driving the grinding shaft (87) to rotate;

the polishing rollers (2) are rotatably arranged at two ends of the polishing seat (1) and are used for abutting against the steel rail (91) to move the polishing seat (1);

the limiting wheels (3) are rotatably mounted at two ends of the polishing seat (1), and the limiting wheels (3) are clamped on a steel rail (91) to roll and enable the polishing device to rotate for polishing angles;

the operating rod (4), the said operating rod (4) is connected with said spacing wheel (3); and

the angle locking device (5), the angle locking device (5) respectively with polish seat (1) with action bars (4) are connected for the adjustment and lock grinding device's angle of polishing.

2. A multifunctional sharpening device according to claim 1, characterized in that said angle locking means (5) comprise:

the angle adjusting rod (57), the angle adjusting rod (57) is fixed on the operating rod (4);

the locking seat (51), the locking seat (51) is arranged on the polishing seat (1);

the locking handle (52), the locking handle (52) is connected with the locking seat (51) through threads; and

the movable clamp plate (53), movable clamp plate (53) are located one side of locking seat (51), the one end of locking handle (52) with movable clamp plate (53) rotate to be connected, angle adjusting rod (57) activity is inserted movable clamp plate (53) with between locking seat (51), locking handle (52) are used for passing through movable clamp plate (53) will angle adjusting rod (57) compress tightly on locking seat (51).

3. A multifunctional sharpening device according to claim 1, characterized in that it further comprises a balancing device (6), said balancing device (6) comprising:

the balance rod (62), one end of the balance rod (62) is fixed on the operating rod (4); and

a balance roller (61), the balance roller (61) is rotatably mounted at the other end of the balance bar (62) and is used for rolling on the other steel rail (91).

4. A multifunctional sharpening device according to claim 1, characterized in that said limiting wheel (3) comprises:

the limiting shaft (33), the limiting shaft (33) is rotatably installed on the polishing seat (1);

the outer catch wheel (31), the said outer catch wheel (31) is installed on one end of the said spacing axle (33) rotatably; and

the inner catch wheel (32) is rotatably arranged at the other end of the limiting shaft (33), the diameter of the outer catch wheel (31) is larger than that of the inner catch wheel (32), and the inner catch wheel (32) is positioned on the inner side of a steel rail (91) on the track.

5. A multifunctional sharpening device according to claim 1, characterized in that it further comprises a pulsator device (7), said pulsator device (7) comprising:

the impeller seats (71), the impeller seats (71) are fixed at two ends of the polishing seat (1); and

the wave roller (72) is rotatably arranged on the wave wheel seat (71), and a plurality of wave rollers (72) are arranged.

6. A multifunctional sharpening device according to claim 1, characterized in that said feeding means (8) comprise:

the polishing barrel is arranged on the polishing seat (1);

a feed drive mounted on the grinding drum;

the lifting transmission device is arranged on the grinding cylinder and is connected with the feeding driving device;

the lifting sleeve (861) is rotatably mounted on the polishing barrel, the polishing shaft (87) is movably inserted into the lifting sleeve (861) and is connected with the lifting transmission device, and a polishing disc (871) for mounting a polishing cutter (92) is arranged at the end part of the polishing shaft (87); and

a transmission key arranged between the grinding shaft (87) and the lifting sleeve (861) and used for enabling the grinding shaft (87) to rotate along with the lifting sleeve (861);

the feeding driving device is used for driving the grinding shaft (87) to lift through the lifting transmission device.

7. A multi-function sharpening device according to claim 6, wherein said feed drive means comprises:

the feed shaft (821), the feed shaft (821) is installed on the top of the grinding barrel in a rotating mode, and a feed threaded rod (8211) is arranged on the feed shaft (821);

the feeding sleeve (83), the feeding sleeve (83) is installed on the feeding threaded rod (8211) and is connected with the lifting transmission device;

a feed motor (843), the feed motor (843) being mounted on the sanding cartridge;

a second belt drive connected to the feed motor (843) and the feed shaft (821), respectively; and

a feed handle (845), the feed handle (845) being coupled to the feed shaft (821).

8. A multi-function sharpening device as defined in claim 6, wherein said lifting transmission comprises:

the lifting cylinder (851) is installed on the grinding cylinder;

the lifting seat (852) is slidably installed in the lifting cylinder (851) and is connected with the feeding device (8); and

the lifting bearing (853), lifting bearing (853) install on lift seat (852), and with polish axle (87) be connected.

9. The multi-function sharpening device of claim 6, wherein said sharpening drive comprises:

a first belt drive connected to the lifting sleeve (861); and

rotating electrical machines (893), rotating electrical machines (893) are installed polish on seat (1), rotating electrical machines (893) with first area transmission is connected, be used for through first area transmission drives lifting sleeve (861) with polish axle (87) rotation.

10. A multi-function sharpening device as defined in any one of claims 1 to 9, further comprising: a power supply device, the power supply device comprising:

the battery frame (96), the said battery frame (96) is fixed on said polishing seat (1);

the battery socket (95) is fixed on the battery frame (96), and the battery socket (95) is respectively connected with the feeding device (8) and the grinding driving device; and

the lithium battery (94) is inserted into the battery socket (95) and is positioned in the battery frame (96).