An assembled railway rail multi-head grinding device

Abstract

In order to solve the problems that small grinders have low grinding efficiency; and although large grinders have high grinding efficiency, it is difficult for manual labor to enter the site, and it is difficult to turn around on site to grind another strand of rails. The present invention discloses an assembled railway rail multi-head grinding equipment, including a driving wheel unit, a driven wheel unit and a plurality of groups of grinding units. Any side of the driving wheel unit, the driven wheel unit and the grinding unit can be hinged through a circular hole and a cylindrical pin, and any side between the grinding units can be hinged through a circular hole and a cylindrical pin. The driving wheel unit, the driven wheel unit, and each group of grinding units are respectively connected by bolts. The grinding unit is provided with wheels and support screws for supporting its own weight, which can be broken down into parts to facilitate manual labor to enter the work site; the directions and assembly relationships of the grinding units can be arbitrarily combined to grind another strand of rails, etc. The present invention relates to a railway track maintenance machinery.

Description

Technical Field

[0001] The invention relates to a railway track maintenance machine, in particular to an assembled railway rail multi-head grinding device. Background Art

[0002] In the prior art, after the rails on the railway line have been rolled to a certain extent during operation, they need to be polished to restore the straightness of the line and the standard profile of the rail section. If a small grinder is used, although it is convenient for manual access to the site, the grinding efficiency is low; if a larger grinder is used, although the grinding efficiency is higher, it is difficult for manual access to the site; secondly, the integral type grinder is difficult to turn around on site to grind another rail; thirdly, the integral type grinder is mostly a frame structure, which will be deformed by various factors, and it is difficult for multiple sets of wheel treads to fit all the rails, causing the vehicle body to be unstable, which has a negative impact on the straightness of the rails after grinding. Summary of the invention

[0003] The present invention aims to solve at least one of the above-mentioned technical problems and provide an assembled railway rail multi-head grinding equipment that can be assembled and disassembled on site and has the characteristics of high efficiency and convenience.

[0004] The present invention is realized through the following technical scheme: an assembled railway rail multi-head grinding equipment, including a driving wheel unit, a following wheel unit and a plurality of groups of grinding units, the driving wheel unit and any side surface of the grinding unit can be hinged through a circular hole and a cylindrical pin, the following wheel unit and any side surface of the grinding unit can be hinged through a circular hole and a cylindrical pin, any side surface between two adjacent groups of grinding units can be hinged through a circular hole and a cylindrical pin, the driving wheel unit, the following wheel unit and each group of grinding units are respectively connected by bolts, and the grinding unit is provided with a wheel and a support screw for supporting its own weight. Beneficial effects: Compared with similar integral grinders, the whole machine can be disassembled into a driving wheel unit, a following wheel unit and a grinding unit, which is convenient for manual access to the work site; the directions and assembly relationships of the grinding units can be arbitrarily combined to grind another rail without moving the driving wheel unit and the following wheel unit; there is a hinge point between each group of units. After on-site assembly, the wheels of each group of grinding units will automatically fit with the rails to improve the straightness of the grinding.

[0005] Preferably, the grinding unit is provided with a swing arm, one end of which is swingably hinged on the central axis of the U-shaped steel structure, and the swing arm is equipped with a swing arm locking handwheel, a vertical feed handwheel for lifting and lowering the grinding wheel, and a lateral feed handwheel for lateral adjustment of the grinding wheel, and the other end of the swing arm is equipped with a grinding wheel directly connected to the motor and an adjustment mechanism that can move and deflect the grinding wheel along the swing arm. Beneficial effect: The grinding effect of the rail is improved by adjusting the swing arm.

[0006] Preferably, the driving wheel unit is an inverted U-shaped steel structure, in which a drive mechanism consisting of a variable frequency motor, a sprocket, a transmission shaft and a driving wheel is installed. Beneficial effects: The driving wheel unit has a compact structure and is convenient for articulation with other units.

[0007] Preferably, the follower wheel unit is an inverted U-shaped steel structure, in which an electric control mechanism and an operating platform are installed. Beneficial effects: The follower wheel unit has a compact structure, which is convenient for articulation with other units and is also convenient for workers entering the work site to control and operate.

[0008] The beneficial effects are as follows: compared with the prior art, the present invention: 1. Compared with the integral similar grinding machine, the whole machine can be split into several units, which is convenient for manual access to the work site. It is of great significance under the current situation of high electrification degree of railways, high traffic density and limited lifting machinery; 2. The directions and assembly relationships of the grinding units can be arbitrarily combined to grind another strand of rails while the driving wheel unit and the following wheel unit are kept stationary; 3. There is a hinge point between each group of units. After on-site assembly, the wheels of each group of grinding units will automatically fit with the rails to improve the straightness of the grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings, wherein:

[0010] Figure 1 It is a front view of an embodiment of a moving wheel unit of the present invention;

[0011] Figure 2 for Figure 1 Left view of;

[0012] Figure 3 A front view of an embodiment of a slave wheel unit of the present invention;

[0013] Figure 4 It is a front view of an embodiment of a grinding unit of the present invention;

[0014] Figure 5 for Figure 4 A top view schematic diagram of

[0015] Figure 6 This is a schematic diagram of an embodiment in which the grinding units are installed on the rails on the same side;

[0016] Figure 7 This is a schematic diagram of an embodiment in which the grinding unit is installed on both sides of the rails;

[0017] The accompanying drawings are marked as follows: 1. driving wheel unit; 2. driven wheel unit; 3. grinding unit; 4. round hole; 5. cylindrical pin; 6. bolt; 6a. threaded hole; 7. wheel; 8. supporting screw; 9. swing arm; 10. U-shaped steel structure; 11. middle axis; 12. swing arm locking handwheel; 13. vertical feed handwheel; 14. horizontal feed handwheel; 15. motor; 16. grinding wheel; 17. adjustment mechanism; 18. frequency conversion motor; 19. sprocket; 20. transmission shaft; 23. alignment hole. DETAILED DESCRIPTION

[0018] The present invention is attached Figure 1-Figure 7 , and the contents of the specification are only an introduction to the embodiments of the present invention, and the present invention is not limited to the specific structure of the embodiments. The relative position assumptions of the embodiments are: the left and right sides of the driving wheel unit 1 are Figure 1 The front and rear faces perpendicular to the rails are from the left and right sides of the wheel unit 2. Figure 3 The front and rear faces perpendicular to the rail, the left and right sides of the grinding unit 3 are Figure 4 The front and back faces perpendicular to the direction of the rail.

[0019] like Figure 1-Figure 7As shown, an assembled railway rail multi-head grinding equipment comprises a group of driving wheel units 1, a group of following wheel units 2 and four groups of grinding units 3. Any side of the driving wheel unit 1 and the grinding unit 3 can be hinged through a circular hole 4 and a cylindrical pin 5. Generally speaking, one hinge point is sufficient to form a hinge; any side of the following wheel unit 2 and the grinding unit 3 can be hinged through a circular hole 4 and a cylindrical pin 5. Generally speaking, one hinge point is sufficient to form a hinge; any side between two adjacent groups of grinding units 3 can be hinged through a circular hole 4 and a cylindrical pin 5. Generally speaking, one hinge point is sufficient to form a hinge. The driving wheel unit 1, the following wheel unit 2 and several groups of grinding units The elements 3 are provided with alignment holes 23 and positioning pins at the same position for positioning and assembly. Therefore, the grinding units 3 can be freely assembled in the left and right directions to meet different rail grinding needs. One rail can be ground at a time or two rails can be ground at the same time. The driving wheel unit 1, the driven wheel unit 2, and each group of grinding units 3 are connected by bolts 6 and threaded holes 6a respectively. The grinding units 3 are provided with wheels 7 and support screws 8 for supporting their own weight. There can be multiple wheels 7 and multiple support rods. In an embodiment, one support screw 8 and two wheels 7 can form a three-point support on the ground together, so that each group of grinding units 3 can independently The grinding is carried out vertically. Preferably, a swing arm 9 is provided on the grinding unit 3. One end of the swing arm 9 is swingably hinged on the central axis 11 of the U-shaped steel structure 10. A swing arm locking handwheel 12, a vertical feed handwheel 13 for lifting and lowering a grinding wheel 16, and a lateral feed handwheel 14 for lateral adjustment of the grinding wheel 16 are installed on the swing arm 9. The other end of the swing arm 9 is installed with a grinding device consisting of a grinding wheel 16 directly connected to a motor 15 and an adjustment mechanism 17 for moving and deflecting the grinding wheel 16 along the swing arm 9. By adjusting the vertical feed handwheel 13, the swing arm 9 can swing around the axis to realize the lifting and lowering of the grinding wheel 16; by adjusting the lateral feed handwheel 14, the grinding wheel 16 can be adjusted. To achieve lateral movement of the grinding wheel 16; by adjusting the adjustment mechanism 17 on the grinding device, the lateral movement and deflection locking of the grinding wheel 16 can be achieved; by adjusting the swing arm 9, the grinding effect of the rail is improved. Compared with similar integral grinders, the whole machine can be divided into a driving wheel unit 1, a driven wheel unit 2 and a grinding unit 3, which is convenient for manual access to the work site; the directions and assembly relationships of the grinding units 3 can be arbitrarily combined without moving the driving wheel unit 1 and the driven wheel unit 2 to grind another strand of rail; there is a hinge point between each group of units. After on-site assembly, the wheels 7 of the four groups of grinding units 3 will automatically fit with the rail to improve the straightness of the grinding.

[0020] Preferably, the driven wheel unit 1 is an inverted U-shaped steel structure, in which a variable frequency motor 18 is installed, the variable frequency motor 18 is connected to a sprocket 19, the sprocket 19 is connected to a transmission shaft 20 through a chain, and the transmission shaft 20 drives the active wheel 7 to form a complete driving mechanism. The driven wheel unit 1 has a compact structure and is convenient for articulation with other units.

[0021] Preferably, the slave wheel unit 2 is an inverted U-shaped steel structure, in which an electric control mechanism and an operating platform are installed. The electric control mechanism can be a single-chip microcomputer or a computer. The RS232 serial port line or the RS485 serial port line electrically connects and controls each motor 15 or variable frequency motor 18 and other power parts. The slave wheel unit 2 has a compact structure, which is convenient for articulation with other units, and is also convenient for workers entering the work site to control and operate.

[0022] The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments can be combined with each other to form new embodiments. The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Any modification or equivalent replacement that does not deviate from the spirit and scope of the present invention shall be included in the scope of the technical solutions of the present invention.

Claims

1. An assembled railway rail multi-head grinding device, characterized in that: The invention comprises a driving wheel unit (1), a driven wheel unit (2) and a plurality of groups of grinding units (3); any side surface of the driving wheel unit (1) and the grinding unit (3) can be hinged through a circular hole (4) and a cylindrical pin (5); any side surface of the driven wheel unit (2) and the grinding unit (3) can be hinged through a circular hole (4) and a cylindrical pin (5); any side surface between two adjacent groups of grinding units (3) can be hinged through a circular hole (4) and a cylindrical pin (5); the driving wheel unit (1), the driven wheel unit (2) and each group of grinding units (3) are connected by bolts (6); and a wheel (7) and a support screw (8) for supporting the weight of the grinding unit (3); The grinding unit (3) is provided with a swing arm (9), one end of which is swingably hinged on a central axis (11) of a U-shaped steel structure (10), a swing arm locking hand wheel (12), a vertical feed hand wheel (13) for lifting a grinding wheel (16), and a lateral feed hand wheel (14) for lateral adjustment of the grinding wheel (16) are installed on the swing arm (9), and the other end of the swing arm (9) is provided with a grinding wheel (16) directly connected to a motor (15) and an adjustment mechanism (17) capable of moving and deflecting the grinding wheel (16) along the swing arm (9); The driving wheel unit (1) is an inverted U-shaped steel structure, in which a driving mechanism consisting of a variable frequency motor (18), a sprocket (19), a transmission shaft (20) and a driving wheel (7) is installed; The slave wheel unit (2) is an inverted U-shaped steel structure, in which an electric control mechanism and an operating platform are installed.

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