Grinding machine for railway steel rail

Abstract

The utility model provides a railway steel rail polisher relates to polisher field, including: moving box, positioning device, traversing subassembly and polishing subassembly, the moving box includes inside control cabin and battery cabin, and outside is equipped with handle and bottom installation roller, the positioning device is connected to the rear side box wall of moving box, the battery cabin is equipped with the battery cabin, and the polishing subassembly is equipped with the battery cabin and the battery cabin. The positioning device comprises a fixing frame, a top clamping block and a lateral clamping block are arranged on the inner side of the fixing frame, the transverse moving assembly is slidably connected to the front side box wall of the moving box, meanwhile, the grinding assembly is connected to the front side of the transverse moving assembly, the grinding assembly comprises a fixing plate, and a vertical sliding block is slidably connected to the outer side of the fixing plate; a second motor is slidably connected to the outer side of the vertical sliding block, and meanwhile a grinding head is arranged on the inner side of the vertical sliding block. The rail web grinding machine solves the problems that in the prior art, a railway steel rail web grinding machine is poor in working stability, large in labor intensity and low in efficiency, and meanwhile a single person cannot conveniently operate and observe the grinding position.

Description

Technical Field

[0001] The utility model relates to the technical field of grinders, in particular to a grinder for railway rails. Background Art

[0002] When laying and welding railway rails, the waist of the rails needs to be polished and rust-free, especially at the welding points. After rust removal, it is easier to weld. At the same time, after welding, the welding points need to be polished smooth to facilitate repainting. After searching, the prior art (application number: CN201721330291.6) records "a railway rail waist grinder, which includes a grinding frame, an internal combustion engine arranged on the grinding frame, two grinding heads driven by the internal combustion engine to rotate, a vertical feed mechanism for adjusting the upper and lower positions of the grinding heads, and an attachment adjustment mechanism for adjusting the pressure between the two grinding heads and the rail waist surface. The attachment adjustment mechanism includes a horizontal feed handwheel, a feed screw driven to rotate by the horizontal feed handwheel, a connecting block arranged on the feed screw, and a connecting arm hinged to the connecting block at one end and hinged to the side of the vertical feed mechanism at the other end. The utility model has a fast grinding speed, good grinding flatness and smoothness, is safe and reliable, and is easy to operate, and can realize flexible adjustment of the pressure between the grinding wheel and the rail waist surface."

[0003] Although the railway rail waist grinder in the prior art can achieve the grinding effect on the rails, the grinding frame involved has deviations in the moving stability on the single rail, and during the grinding process, there is a lack of a fixed structure for the grinding frame, which causes friction between the grinding wheel and the rail. Therefore, it is necessary to manually maintain the support and stability of the grinding frame at all times, and at the same time apply a force that resists the grinding friction, resulting in high labor intensity and low efficiency, and a single operator cannot observe the grinding position. Utility Model Content

[0004] In order to overcome the defects of the prior art, a railway rail grinder is provided to solve the problems of poor working stability, high labor intensity, low efficiency and inconvenience for single-person operation to keep observing the grinding position.

[0005] To achieve the above-mentioned purpose, a grinder for railway rails is provided, comprising: a mobile box, a positioning device, a transverse movement assembly and a grinding assembly, the mobile box comprising an inner control compartment and a battery compartment, and an outer side provided with a handle and a bottom-mounted roller, the positioning device is connected to the rear box wall of the mobile box, and the positioning device comprises a fixed frame, and the inner side of the fixed frame is provided with a top clamp block and a lateral clamp block, the transverse movement assembly is slidably connected to the front box wall of the mobile box, and the grinding assembly is connected to the front side of the transverse movement assembly, the grinding assembly comprises a fixed plate, and a vertical slider is slidably connected to the outer side of the fixed plate, and a second motor is slidably connected to the outer side of the vertical slider, and a grinding head is provided on the inner side of the vertical slider.

[0006] Furthermore, the control compartment and the battery compartment are configured as two independent chambers inside the mobile box, and a main control box is provided in the control compartment, while a storage battery is provided in the battery compartment.

[0007] Furthermore, the positioning device is provided with two groups, and the fixing frame is provided with an N-shaped structure, and a top bolt is screwed on the upper side of the fixing frame, and a lateral bolt is screwed on the outer side of the fixing frame.

[0008] Furthermore, the top clamping block is rotatably connected to the inner end of the top bolt, and the side clamping block is rotatably connected to the inner end of the side bolt, and the side clamping blocks are respectively located on both sides of the rail waist of the rail.

[0009] Furthermore, the transverse movement assembly includes a transverse movement slider slidably connected to the outer wall of the moving box, and a double-threaded screw is threaded through the inside of the transverse movement slider, and the outer end of the double-threaded screw is connected to the first motor, and the inner end of the double-threaded screw is rotatably connected to the shaft seat.

[0010] Furthermore, a through hole groove is provided inside the fixing plate, and an electric push rod is installed on the upper side of the fixing plate, and the piston rod end of the electric push rod is vertically inserted into the through hole groove and connected with the vertical sliding block.

[0011] Furthermore, the output end of the second motor is connected to a driving shaft, and the driving shaft rotates and passes through the vertical slider, and the grinding head is connected to the other end of the driving shaft.

[0012] The beneficial effects of the utility model are:

[0013] 1. When in use, place the rollers on the lower side of the moving box on the two rails respectively, and then push the moving box to the specified welding position, and then drive the clamping block to clamp the rail by operating the top bolt and the side bolt, so as to fix the moving box, and then control the first motor and the electric push rod to move the horizontal position and vertical position of the grinding head respectively, and achieve the effect of grinding the waist of the rail by adjusting the horizontal position, and achieve the effect of grinding the waist of the rail back and forth by adjusting the vertical position, so that no external force is required to control the device, so as to facilitate single-person operation and observation of the grinding position;

[0014] 2. The use of two sets of transverse movement components and two sets of grinding components makes it convenient to grind the waists of both sides of two rails at the same time. At the same time, the electric push rod and the vertical slider are used to automatically adjust the feed position of the grinding head in the vertical direction. The first motor, the transverse movement slider and the double-thread screw are used to automatically adjust the transverse movement feed position of the grinding head in the horizontal direction, thereby reducing the labor intensity and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of an embodiment of the utility model.

[0016] Figure 2 It is a side structural schematic diagram of an embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the side structure of the positioning device according to an embodiment of the utility model.

[0018] Figure 4 For the utility model embodiment Figure 2 Schematic diagram of the structure at point A in the middle.

[0019] In the figure: 1. Moving box; 11. Control compartment; 12. Battery compartment; 13. Handle; 14. Roller; 2. Positioning device; 21. Fixed frame; 22. Top bolt; 23. Top clamp; 24. Side bolt; 25. Side clamp; 3. Transverse movement assembly; 31. First motor; 32. Transverse movement slider; 33. Double-threaded screw; 34. Axle seat; 4. Grinding assembly; 41. Electric push rod; 42. Fixed plate; 43. Second motor; 44. Vertical slider; 45. Drive shaft; 46. Grinding head. DETAILED DESCRIPTION

[0020] Reference Figures 1 to 4As shown in the figure, the utility model provides a grinding machine for railway rails, which includes: a moving box 1, a positioning device 2, a transverse movement assembly 3 and a grinding assembly 4. The moving box 1 includes an inner control chamber 11 and a battery chamber 12, as well as an outer handle 13 and rollers 14 installed at the bottom. The control chamber 11 and the battery chamber 12 are set as two independent chambers inside the moving box 1. A main control box is provided in the control chamber 11, and a storage battery is provided in the battery chamber 12. The positioning device 2 is connected to the rear side wall of the moving box 1, and the positioning device 2 includes a fixed frame 21. A top clamp 23 and a lateral clamp 25 are provided inside the fixed frame 21. The transverse movement assembly 3 is slidably connected to the front side wall of the moving box 1, and the grinding assembly 4 is connected to the front side of the transverse movement assembly 3. The grinding assembly 4 includes a fixing plate 42, and a vertical slider 44 is slidably connected to the outside of the fixing plate 42. A second motor 43 is slidably connected to the outside of the vertical slider 44, and a grinding head 46 is provided inside the vertical slider 44.

[0021] In this embodiment, the moving box 1, the positioning device 2, the transverse movement assembly 3 and the grinding assembly 4 constitute the main structure of the grinding machine for railway rails involved in this application.

[0022] Specifically, a plurality of control buttons are installed on the handle 13 to respectively control the start and stop of two motors and the electric push rod 41, which is convenient for operation. Two door panels are provided on the side of the moving box 1 to facilitate opening the two chambers of the control chamber 11 and the battery chamber 12.

[0023] Specifically, the vertical slider 44 is set in a structure like the Chinese character 'ri' in a top view. A part of the middle of the vertical slider 44 is inserted into the fixing plate 42 and is connected to the electric push rod 41.

[0024] As Figure 2 and Figure 3 shown, there are two groups of positioning devices 2, and the fixed frame 21 is set in an N-shaped structure. A top bolt 22 is screwed on the upper side of the fixed frame 21, and a lateral bolt 24 is screwed on the outside of the fixed frame 21. The top clamp 23 is rotatably connected to the inner end of the top bolt 22, and the lateral clamp 25 is rotatably connected to the inner end of the lateral bolt 24. The lateral clamps 25 are respectively located on both sides of the rail waist of the rail.

[0025] As a preferred implementation manner, by setting the positioning device 2, it is convenient to fix the position of the moving box 1, thereby avoiding the overall instability of the moving box 1 caused by the frictional force between the grinding head 46 and the rail during the grinding process.

[0026] As Figure 1 shown, the transverse movement assembly 3 includes a transverse movement slider 32 slidably connected to the outer wall of the moving box 1. A double-threaded screw rod 33 is screwed through the inside of the transverse movement slider 32. The outer end of the double-threaded screw rod 33 is connected to a first motor 31, and the inner end of the double-threaded screw rod 33 is rotatably connected to a shaft seat 34.

[0027] Specifically, the two double-threaded screw rods 33 are axially butted, and the inner ends thereof are both rotatably connected to the shaft seat 34 , and at the same time, the two first motors 31 are synchronously opened and closed, so that the grinding assembly 4 is synchronously driven to move close to the two sides of the rail.

[0028] like Figure 1 , Figure 2 and Figure 4 As shown, a through hole groove is opened inside the fixed plate 42, and an electric push rod 41 is installed on the upper side of the fixed plate 42, and the piston rod end of the electric push rod 41 is vertically inserted into the through hole groove and connected to the vertical slider 44, the output end of the second motor 43 is connected to the driving shaft 45, and the driving shaft 45 rotates to penetrate the vertical slider 44, and the grinding head 46 is connected to the other end of the driving shaft 45.

[0029] Specifically, an electric push rod 41 is installed on each fixed plate 42, and multiple groups of electric push rods 41 are synchronously controlled and started. The electric push rods 41 are controlled to reciprocate and telescopic motion by a main controller to drive the grinding head 46 to reciprocate motion, thereby achieving uniform grinding.

[0030] When in use, the rollers on the lower side of the moving box are placed on the two rails respectively, and then the moving box is pushed to the specified welding position, and then the clamping blocks are driven to clamp the rails by operating the top bolts and the side bolts, so as to fix the moving box, and then the lateral position and vertical position of the grinding head are moved respectively by controlling the first motor and the electric push rod, and the lateral position is adjusted to ensure that the grinding head keeps in contact with the waist of the rail, and the vertical position is adjusted to achieve the effect of reciprocating grinding of the waist of the rail, so that no external force is required to be applied manually to control the device, which is convenient for single-person operation and easy to observe the grinding position.

[0031] The railway rail grinder of the utility model can effectively solve the problems of poor working stability, high labor intensity, low efficiency and inconvenience for single-person operation while observing the grinding position in the prior art railway rail waist grinders. On the basis of the existing railway rail grinder technology, the working stability of the rail grinder is improved, the labor intensity is reduced, the working efficiency is improved, and it is convenient to observe the grinding position at the same time.

Claims

1. A railway rail grinding machine, comprising: A mobile box (1), a positioning device (2), a transverse movement assembly (3) and a grinding assembly (4), wherein the mobile box (1) comprises an inner control compartment (11) and a battery compartment (12), and an outer handle (13) and a bottom-mounted roller (14), characterized in that: the positioning device (2) is connected to the rear wall of the mobile box (1), and the positioning device (2) comprises a fixing frame (21), and the inner side of the fixing frame (21) is provided with a top clamping block (23) and a lateral clamping block (25), the transverse movement assembly (3) is slidably connected to the front wall of the mobile box (1), and the grinding assembly (4) is connected to the front side of the transverse movement assembly (3), the grinding assembly (4) comprises a fixing plate (42), and a vertical slider (44) is slidably connected to the outer side of the fixing plate (42), and a second motor (43) is slidably connected to the outer side of the vertical slider (44), and a grinding head (46) is provided on the inner side of the vertical slider (44).

2. A railway rail grinding machine according to claim 1, characterized in that: The control compartment (11) and the battery compartment (12) are arranged as two independent chambers inside the mobile box (1), and a main control box is arranged in the control compartment (11), while a storage battery is arranged in the battery compartment (12).

3. A railway rail grinding machine according to claim 1, characterized in that: The positioning device (2) is provided with two groups, and the fixing frame (21) is provided with an N-shaped structure, and a top bolt (22) is screwed on the upper side of the fixing frame (21), and a lateral bolt (24) is screwed on the outer side of the fixing frame (21).

4. A railway rail grinding machine according to claim 1, characterized in that: The top clamping block (23) is rotatably connected to the inner end of the top bolt (22), and the side clamping block (25) is rotatably connected to the inner end of the side bolt (24), and the side clamping blocks (25) are respectively located on both sides of the rail waist of the steel rail.

5. The railway rail grinding machine according to claim 1, characterized in that: The transverse movement assembly (3) comprises a transverse movement slider (32) slidably connected to the outer wall of the moving box (1), and a double-screw screw (33) is threadedly connected inside the transverse movement slider (32), and the outer end of the double-screw screw (33) is connected to the first motor (31), while the inner end of the double-screw screw (33) is rotatably connected to the shaft seat (34).

6. A railway rail grinding machine according to claim 1, characterized in that: A through hole groove is provided inside the fixing plate (42), and an electric push rod (41) is installed on the upper side of the fixing plate (42), and the piston rod end of the electric push rod (41) is vertically inserted into the through hole groove and connected to the vertical slide block (44).

7. A railway rail grinding machine according to claim 1, characterized in that: The output end of the second motor (43) is connected to a drive shaft (45), and the drive shaft (45) rotates to penetrate the vertical slider (44), and the grinding head (46) is connected to the other end of the drive shaft (45).

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