CN216237922U - Steel rail grinding machine - Google Patents
Steel rail grinding machine Download PDFInfo
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- CN216237922U CN216237922U CN202122783540.XU CN202122783540U CN216237922U CN 216237922 U CN216237922 U CN 216237922U CN 202122783540 U CN202122783540 U CN 202122783540U CN 216237922 U CN216237922 U CN 216237922U
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- China
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- polishing head
- walking platform
- angle adjusting
- grinding wheel
- adjusting device
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Abstract
A steel rail grinding machine comprises a walking platform, a grinding head module arranged at one end part of the walking platform or two grinding head modules arranged at two end parts of the walking platform in a split charging mode; the walking platform spans over the two steel rails and can move longitudinally along the steel rails; the polishing head module comprises a polishing head body, an angle adjusting device and a feeding device, wherein the angle adjusting device is used for adjusting the deflection angle of the polishing head body; the angle adjusting device is fixed on the traveling platform, the polishing head body is connected with the angle adjusting device through the feeding device and can float up and down along the angle adjusting device along with the feeding device, the fixed end of the feeding device is connected with the angle adjusting device, and the movable end of the feeding device is connected with the polishing head body; the periphery of the grinding wheel of the grinding head body is not parallel to the extending direction of the steel rail. Simple structure, the modularization degree is high, and the light in weight of each module makes things convenient for independently to carry and is gone up the lower track and can assemble fast and dismantle at the scene.
Description
Technical Field
The utility model relates to a railway steel rail maintenance device, in particular to a steel rail grinding machine.
Background
The steel rail grinding machine is an important device for railway engineering maintenance in China, is mainly used for grinding and maintaining steel rails in railway main lines and turnout grinding blind areas, and needs manual carrying of upper and lower rails.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the steel rail grinding machine which is simple in structure, high in modularization degree, convenient and independent to modularize, carry the upper and lower rails, and can be assembled and disassembled on site quickly.
The technical scheme of the utility model is as follows: a steel rail grinding machine comprises a walking platform, a grinding head module arranged at one end part of the walking platform or two grinding head modules arranged at two end parts of the walking platform in a split charging mode;
the walking platform spans over the two steel rails and can move longitudinally along the steel rails;
the polishing head module comprises a polishing head body, an angle adjusting device and a feeding device, wherein the angle adjusting device is used for adjusting the deflection angle of the polishing head body; the angle adjusting device is fixed on the traveling platform, the polishing head body is connected with the angle adjusting device through the feeding device and can float up and down along the angle adjusting device along with the feeding device, the fixed end of the feeding device is connected with the angle adjusting device, and the movable end of the feeding device is connected with the polishing head body; the periphery of the grinding wheel of the grinding head body is not parallel to the extending direction of the steel rail.
The walking platform is of a frame structure consisting of two cross beams and a longitudinal beam connected between the two cross beams.
Four guide wheels are arranged on the walking platform, and the four guide wheels are symmetrically arranged on two ends of the walking platform in pairs.
The polishing head body comprises a fixed support, a grinding wheel and a grinding wheel driving device, the fixed support comprises a stand column and a supporting platform fixed at the top of the stand column, the grinding wheel driving device is installed on the supporting platform, the grinding wheel is installed at one end of a rotating shaft, the rotating shaft is rotatably connected with the stand column through a bearing, belt pulleys are installed on the other end of the rotating shaft and an output shaft of the grinding wheel driving device, and a belt is sleeved between the two belt pulleys.
The grinding wheel driving device is a motor.
The feeding device comprises a screw rod and a nut sleeved on the screw rod, the nut is fixed on a deflection bracket of the angle adjusting device, the screw rod penetrates through the upper end of the nut and is fixedly provided with a turntable, and the lower end of the screw rod is fixedly connected with the fixed support through a fixed block.
The angle adjusting device comprises two parallel supporting rods, two angle locking devices and a deflection bracket; the deflection bracket is of an inverted U-shaped structure, and two opening end parts at the lower end of the deflection bracket are hinged on the hinge seats of the two support rods through rotating shafts; an arc-shaped through groove is formed in the angle locking device, a bolt hole corresponding to the arc-shaped through groove is formed in the lower end portion of the deflection bracket, and the deflection bracket and the angle locking device are positioned and fixed through bolts arranged in the arc-shaped through groove and the bolt hole; the two angle locking devices are separately arranged on the two support rods.
The support rod and the longitudinal beam of the walking platform are fixedly installed through a steel pipe fastener.
The angle locking device is a semi-arc tube.
The grinding wheel driving device also comprises a power module and a seat, wherein the power module is used for providing power for the grinding wheel driving device; the power module is arranged on the walking platform or arranged on two sides of a steel rail line through a steel pipe fastener; the seat is installed on the walking platform through a steel pipe fastener.
Compared with the prior art, the polishing head module and the walking platform are modularized and are assembled together through the steel pipe fastener, so that the weight of each module is reduced, the upper and lower channels can be conveniently and independently transported, and the modules can be rapidly assembled and disassembled on site; the grinding part of the grinding head module adopts the circumferential surface of a grinding wheel to grind the steel rail, the grinding wheel and the steel rail form an included angle in the longitudinal direction, and the contact area of the grinding wheel and the steel rail is gradually increased in the abrasion process, so that a wider angle range can be ground; the grinding wheel is driven by a motor, the grinding wheel and the motor are installed on the same fixed support, the motor is installed on the upper portion of the fixed support, the grinding wheel is installed on a belt pulley shaft on the lower portion of the fixed support, a belt pulley is arranged at the end portion of the motor, and the grinding wheel can be driven to rotate through a belt. The grinding wheel lifting device is also provided with a deflection bracket, one side of the deflection bracket is provided with a lifting device, and the lower part of the lifting device is connected with the fixed support and can drive the grinding wheel to lift up and down; the lower parts of two sides of the deflection bracket are provided with supporting rods, the supporting rods are provided with rotating shafts and angle locking devices, the deflection bracket can drive the grinding wheel to deflect inside and outside around the rotating shafts, and the angle locking devices can lock the deflection bracket at different angles. And a seat can be arranged on the walking platform, is used for an operator to rest and operate the polishing head, and reduces the working strength of the operator.
Drawings
FIG. 1 is a schematic view of a running platform;
FIG. 2 is a front view of a sanding head module;
FIG. 3 is a top view of a sanding head module;
FIG. 4 is a front view of a first embodiment of the present invention;
FIG. 5 is a top view of a first embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a third embodiment of the present invention;
in the figure: 1. the grinding head module comprises a grinding head module, 2, a steel pipe fastener, 3, a traveling platform, 4, a steel rail, 5, a power module, 6, a seat, 7, a guide wheel, 8, a longitudinal beam, 9, a cross beam, 10, a feeding device, 11, a grinding wheel driving device, 12, a fixed support, 13, a grinding wheel, 14, a deflection support, 15, a belt, 16, an angle locking device, 17, a supporting rod, 18 and a rotating shaft.
Detailed Description
In fig. 1, a running platform 3 can be placed on rails 4 and can be moved along the rails. The walking platform 3 is a frame structure consisting of two cross beams 9 and a longitudinal beam 8 connected between the two cross beams 9. Four guide wheels 7 are arranged on the walking platform 3, and the four guide wheels 7 are symmetrically arranged on two ends of the walking platform 3.
In fig. 2 and 3, the polishing head module comprises a polishing head body, an angle adjusting device for adjusting the deflection angle of the polishing head body, and a feeding device 10; the polishing head body consists of a fixed support 12, a grinding wheel 13 and a grinding wheel driving device 11, the grinding wheel 13 is vertically installed, a polishing working surface on the periphery of the grinding wheel is in contact with the steel rail 4 after the feeding is lowered, the polishing working surface on the periphery of the grinding wheel 13 is not parallel to the advancing direction of the steel rail 4 and forms an included angle, and the contact area between the grinding wheel and the steel rail is gradually increased in the abrasion process, so that a wider angle range can be polished. Grinding wheel 13 passes through belt 15 drive by grinding wheel drive unit 11, fixing support 12 includes the stand, fix the supporting platform at the stand top, grinding wheel drive unit 11 installs the supporting platform at fixing support 12, grinding wheel 13 installs in pivot one end, the pivot warp beam holds and is connected with the stand rotation, all be equipped with the belt pulley on the other end of pivot and the 11 output shafts of grinding wheel drive unit, suit belt 15 between two belt pulleys, grinding wheel drive unit 11 is the motor. The angle adjusting device is fixed on the walking platform 3 and comprises two parallel supporting rods 17, two angle locking devices 16 and a deflection bracket 14; the support rod 17 and the longitudinal beam of the walking platform 3 are fixedly installed through the steel pipe fastener 2. The deflection bracket 14 is of an inverted U-shaped structure, and two opening end parts at the lower end are hinged on the hinging seats of the two supporting rods 17 through a rotating shaft 18; an arc-shaped through groove is formed in the angle locking device 16, a bolt hole corresponding to the arc-shaped through groove is formed in the lower end portion of the deflection support 14, and the deflection support 14 and the angle locking device 16 are positioned and fixed through bolts arranged in the arc-shaped through groove and the bolt hole; two angle locking devices 16 are respectively arranged on the two support rods 17, and the angle locking devices 16 are semi-arc-shaped pipes. The polishing head body is connected with the angle adjusting device through the feeding device 10 and can float up and down along the angle adjusting device along with the feeding device 10, the feeding device 10 comprises a screw rod and a nut sleeved on the screw rod, the nut is fixed on a deflection bracket 14 of the angle adjusting device, the screw rod penetrates through the upper end of the nut and is fixedly provided with a turntable, and the lower end of the screw rod is connected and fixed with an upright post of the fixed support 12 through a fixed block.
The first embodiment is as follows:
in fig. 4 and 5, for a rail to be polished on one side, a walking platform 3 is placed on the rail to be polished, four guide wheels 7 are in contact with the rails on two sides, so that the walking platform 3 can move along the rail 4, a polishing head module 1 is arranged on one side of the walking platform 3 corresponding to the rail to be polished, and the two are assembled together through a steel pipe fastener 2; the polishing head module 1 and the walking platform 3 are modularized, so that the weight of each module is reduced, the upper and lower channels can be conveniently and independently carried, and the modules can be rapidly assembled and disassembled on site.
Example two:
in fig. 6, for a steel rail to be polished on both sides, a running platform 3 is placed on the steel rail to be polished, four guide wheels 7 are in contact with the steel rails on both sides, so that the running platform 3 can move along the steel rail 4, and then two polishing head modules 1 are respectively installed on both sides of the running platform 3 through steel pipe fasteners 2; the grinding head module comprises a grinding head module 1, and is characterized by further comprising a power module 5, wherein the power module 5 is used for providing power for the grinding head module 1, can be placed on two sides of a circuit, can also be placed on a walking platform 3, and is connected with a longitudinal beam 8 or a cross beam 9 through a steel pipe fastener 2.
Example three:
in fig. 7, the seat 6 can also be placed on the running platform 3 and connected to the longitudinal beams 8 or the transverse beams 9 by means of steel pipe fasteners 2. The seat is used for the operating personnel to take the rest and can operate the head of polishing, reduces operating personnel working strength.
Claims (10)
1. A rail polisher characterized in that: comprises a walking platform (3), a polishing head module arranged at one end part of the walking platform (3) or two polishing head modules separately arranged at two end parts of the walking platform (3);
the walking platform (3) spans over the two steel rails (4) and can move longitudinally along the steel rails;
the polishing head module (1) comprises a polishing head body, an angle adjusting device for adjusting the deflection angle of the polishing head body and a feeding device (10); the angle adjusting device is fixed on the traveling platform (3), the polishing head body is connected with the angle adjusting device through the feeding device (10) and can float up and down along the angle adjusting device along with the feeding device (10), the fixed end of the feeding device (10) is connected with the angle adjusting device, and the movable end is connected with the polishing head body; the periphery of a grinding wheel (13) of the grinding head body is not parallel to the extending direction of the steel rail (4).
2. A rail grinding machine according to claim 1, wherein: the walking platform (3) is of a frame structure consisting of two cross beams and a longitudinal beam connected between the two cross beams.
3. A rail grinding machine according to claim 1 or 2, wherein: four guide wheels (7) are arranged on the walking platform (3), and the four guide wheels (7) are symmetrically arranged on two ends of the walking platform (3) in pairs.
4. A rail grinding machine according to claim 1, wherein: the polishing head body comprises a fixed support (12), a grinding wheel (13) and a grinding wheel driving device (11), the fixed support (12) comprises a stand column and a supporting platform fixed at the top of the stand column, the grinding wheel driving device (11) is installed on the supporting platform, the grinding wheel (13) is installed at one end of a rotating shaft, the rotating shaft is rotatably connected with the stand column through a bearing, belt pulleys are installed on the other end of the rotating shaft and an output shaft of the grinding wheel driving device (11), and a belt (15) is sleeved between the two belt pulleys.
5. A rail grinding machine according to claim 4, characterized in that: the grinding wheel driving device (11) is a motor.
6. A rail grinding machine according to claim 1, wherein: the feeding device (10) comprises a screw rod and a nut sleeved on the screw rod, the nut is fixed on a deflection bracket (14) of the angle adjusting device, the screw rod penetrates through the upper end of the nut and is fixedly provided with a turntable, and the lower end of the screw rod is fixedly connected with the fixed support (12) through a fixed block.
7. A rail grinding machine according to claim 1, wherein: the angle adjusting device comprises two parallel supporting rods (17), two angle locking devices (16) and a deflection bracket (14); the deflection bracket (14) is of an inverted U-shaped structure, and two opening end parts at the lower end are hinged on the hinging seats of the two supporting rods (17) through a rotating shaft (18); an arc-shaped through groove is formed in the angle locking device (16), a bolt hole corresponding to the arc-shaped through groove is formed in the lower end portion of the deflection support (14), and the deflection support (14) and the angle locking device (16) are positioned and fixed through bolts arranged in the arc-shaped through groove and the bolt hole; two angle locking devices (16) are respectively arranged on the two support rods (17).
8. A rail grinding machine according to claim 1 or 7, characterized in that: the support rod (17) and the longitudinal beam of the walking platform (3) are fixedly installed through a steel pipe fastener (2).
9. A rail grinding machine according to claim 7, wherein: the angle locking device (16) is a semi-arc-shaped pipe.
10. A rail grinding machine according to claim 1, wherein: the grinding wheel driving device also comprises a power module (5) and a seat (6) which are used for providing power for the grinding wheel driving device (11); the power module (5) is arranged on the walking platform (3) or arranged at two sides of the line of the steel rail (4) through a steel pipe fastener; the seat (6) is arranged on the walking platform (3) through a steel pipe fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122783540.XU CN216237922U (en) | 2021-11-12 | 2021-11-12 | Steel rail grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122783540.XU CN216237922U (en) | 2021-11-12 | 2021-11-12 | Steel rail grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216237922U true CN216237922U (en) | 2022-04-08 |
Family
ID=80941446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122783540.XU Active CN216237922U (en) | 2021-11-12 | 2021-11-12 | Steel rail grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216237922U (en) |
-
2021
- 2021-11-12 CN CN202122783540.XU patent/CN216237922U/en active Active
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