Double-output-shaft gearbox for steel rail grinding equipment

Abstract

The utility model discloses a double-output-shaft gearbox for steel rail grinding equipment, which belongs to the technical field of steel rail grinding and comprises a steel rail grinding machine body, and a gearbox assembly is assembled at the lower end of the steel rail grinding machine body. The gearbox assembly comprises two output shafts (namely a vertical shaft and a horizontal shaft); according to the steel rail grinding machine with the double grinding heads, simultaneous output of the vertical shaft and the horizontal shaft is achieved through the pair of spiral bevel gears in the gearbox, grinding wheels of different specifications are installed on the output shafts respectively, grinding operation of all damage of steel rails and turnouts can be completed, the field transportation difficulty is lowered, the operation organization is optimized, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail polishing technical field, concretely relates to a double output shaft gear box for rail polishing equipment. BACKGROUND

[0002] In the railway transportation system, through the rail polishing, can effectively remove or alleviate the rail corrugation, repair the rail profile, restrain the rail surface crack expansion, delay the wheel rail fatigue cumulative speed etc., thereby greatly improve the wheel rail relationship, improve the stability and safety of train operation, prolong the service life, reduce the railway operation cost, the rail polisher simple structure, small size, light weight, convenient to use, fast up and down, running wheel insulation, safe and reliable, adapt to the rail plane, side, arc surface and various angle polishing.

[0003] The existing various small rail polishers are single grinding head, the grinding head rotation direction is horizontal or vertical, need to be equipped with multiple polishing machines with different functions for different maintenance conditions, increase the difficulty of field operation transportation, improve the maintenance and repair cost. TECHNICAL SOLUTION

[0004] The utility model discloses a double output shaft gear box for rail polishing equipment, which is used to solve the problems in the background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a double output shaft gear box for rail polishing equipment, comprising a rail polisher main body, and a gear box assembly is assembled at the lower end of the rail polisher main body.

[0006] Preferably, the gear box assembly comprises a connecting bracket, the upper end of the connecting bracket is connected with a power source connecting seat through screws, the inner wall of the connecting bracket is processed with positioning holes, the connecting bracket is connected with a gear box shell through screws on the inner wall of the positioning holes, the inner wall of the gear box shell is connected with a vertical shaft through two disc bearings, the upper end of the vertical shaft is sleeved with a connecting spline sleeve, the upper end of the vertical shaft is processed with involute splines, which are matched with the splines in the connecting spline sleeve and fastened through a round nut, the upper end of the connecting spline sleeve is connected with a power input spline sleeve through screws, the power input spline sleeve is processed with involute splines and connected with a power input shaft, the outer wall of the vertical shaft is sleeved with a spiral bevel gear one, the spiral bevel gear one is processed with key grooves and sleeved on the outer wall of the vertical shaft through the key grooves, the middle part of the vertical shaft is processed with a boss, the lower part of the vertical shaft is processed with internal threads and screwed with a transition shaft, which clamps the bearing and the spiral bevel gear one, the inner wall of the transition shaft is screwed with a grinding wheel adapter, the outer wall of the grinding wheel adapter is screwed with a horizontal grinding wheel, the inner wall of the gear box shell is connected with a spiral bevel gear two through a bearing, the side end of the gear box shell is assembled with a horizontal shaft seat, the spiral bevel gear two is inserted with a horizontal shaft, the middle part of the horizontal shaft is processed with a boss and sleeved in the horizontal shaft seat through a bearing, the inner hole of the spiral bevel gear two is processed with involute splines, and the involute splines in the inner hole of the spiral bevel gear two are in sliding fit with the outer splines of the horizontal shaft, the outer wall of the horizontal shaft is sleeved with a vertical grinding wheel gland and a vertical grinding wheel, and the other end of the horizontal shaft is processed with threads and clamps the vertical grinding wheel gland and the vertical grinding wheel through a hexagon nut.

[0007] Compared with the prior art, the double-grinding-head grinding machine can complete the grinding operation of all diseases of the steel rail and turnout through the installation of horizontal and vertical double grinding heads, reduces the difficulty of field transportation, optimizes the operation organization, and reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 It is a structural schematic view of the utility model;

[0009] Fig. 2 It is a side view of the utility model;

[0010] Fig. 3 It is a structural schematic view of the gear box.

[0011] In the drawing: 1-steel rail grinder main body, 2-gear box assembly, 101-gear box shell, 102-connecting bracket, 103-power source connecting seat, 104-power input spline sleeve, 105-connecting spline sleeve, 106-vertical shaft, 107-spiral bevel gear one, 108-transition shaft, 109-grinding wheel adapter, 110-horizontal grinding wheel, 111-spiral bevel gear two, 112-horizontal shaft, 113-horizontal shaft seat, 114-vertical grinding wheel gland, 115-vertical grinding wheel. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0013] Please refer to Figs. 1-3 The utility model provides a kind of double output shaft gear box for rail grinding equipment, including rail grinder main body 1, the lower end of rail grinder main body is equipped with gear box assembly 2.

[0014] Gear box assembly 2 includes connecting apron 102, the upper end of connecting apron 102 is connected with power source connecting seat 103 by screw, the inner wall of connecting apron 102 is processed with positioning hole, connecting apron 102 is connected with gear box shell 101 by screw in the inner wall of positioning hole, the inner wall of gear box shell 101 is connected with vertical shaft 106 by two disc bearings, vertical shaft 106 upper end is sleeved with connecting spline sleeve 105, vertical shaft 106 upper end is processed with involute spline, is matched with the spline in the inside of connecting spline sleeve 105 and is fastened by round nut, the upper end of connecting spline sleeve 105 is connected with power input spline sleeve 104 by screw, power input spline sleeve 104 is processed with involute spline and is connected with power input shaft, the outer wall of vertical shaft 106 is sleeved with spiral bevel gear one 107, spiral bevel gear one 107 is processed with keyway and is sleeved in the outer wall of vertical shaft 106 by keyway, vertical shaft 106 middle part is processed with boss, vertical shaft 106 lower part is processed with internal thread and is screwed with transition shaft 108, bearing and spiral bevel gear one 107 are clamped simultaneously, the inner wall of transition shaft 108 is screwed with grinding disc adapter 109, the outer wall of grinding disc adapter 109 is screwed with horizontal grinding wheel 110, the inner wall of gear box shell 1 is connected with spiral bevel gear two 111 by bearing, the side end of gear box shell 1 is equipped with horizontal shaft seat 113, horizontal shaft 112 is inserted in spiral bevel gear two 111, horizontal shaft 112 middle part is processed with boss and is sleeved in horizontal shaft seat 113 by bearing, the inner hole of spiral bevel gear two 111 is processed with involute spline, and the involute spline in the inner hole of spiral bevel gear two 111 is slidingly matched with the outer spline of horizontal shaft 112, the outer wall of horizontal shaft 112 is sleeved with vertical grinding wheel gland 114 and vertical grinding wheel 115, the other end of horizontal shaft 112 is processed with thread and is clamped with vertical grinding wheel gland 114 and vertical grinding wheel 115 by hexagon nut.

[0015] Working principle: the power source is connected with the power source connecting seat 103 through the positioning groove and is fastened by bolts, the output shaft of the power source is sleeved with the input shaft, drives all the connecting parts of the vertical shaft 106 to rotate, the rotation of the horizontal grinding wheel 110 grinds the rail; the spiral bevel gear one 107 drives the spiral bevel gear two 111 to rotate, the horizontal shaft 112 is slidably connected with the spiral bevel gear two 111, and when there is interference during the horizontal grinding wheel polishing operation, the horizontal grinding wheel 115 needs to be disassembled (for the same reason, when the vertical grinding wheel 115 polishes, the horizontal grinding wheel 115 also needs to be disassembled).

[0016] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A twin output shaft gearbox for a rail grinding apparatus, characterised in that: Including the steel rail polisher main body (1), the lower end of the steel rail polisher main body (1) is equipped with a gear box assembly (2).

2. A double output shaft gearbox for a rail grinding apparatus as defined in claim 1, characterized in that: The gear box assembly (2) includes a connecting apron (102), the upper end of the connecting apron (102) is connected with a power source connecting seat (103) through a screw, the inner wall of the connecting apron (102) is processed with a positioning hole, the connecting apron (102) is connected with a gear box shell (101) through the screw of the inner wall of the positioning hole, the inner wall of the gear box shell (101) is connected and assembled with a vertical shaft (106) through two disc bearings, the upper end of the vertical shaft (106) is sleeved with a connecting spline sleeve (105), the upper end of the vertical shaft (106) is processed with an involute spline, which is matched with the spline inside the connecting spline sleeve (105) and is fastened through a round nut, the upper end of the connecting spline sleeve (105) is connected with a power input spline sleeve (104) through a screw, the power input spline sleeve (104) is processed with an involute spline and is connected with a power input shaft, the outer wall of the vertical shaft (106) is sleeved with a spiral bevel gear one (107), the spiral bevel gear one (107) is processed with a key groove and is sleeved on the outer wall of the vertical shaft (106) through the key groove, the middle part of the vertical shaft (106) is processed with a boss, the lower part of the vertical shaft (106) is processed with an internal thread and is screwed with a transition shaft (108), while clamping the bearing and the spiral bevel gear one (107), the inner wall of the transition shaft (108) is screwed with a grinding wheel adapter (109), the outer wall of the grinding wheel adapter (109) is screwed with a horizontal grinding wheel (110), the inner wall of the gear box shell (1) is connected with a spiral bevel gear two (111) through a bearing, the side end of the gear box shell (1) is assembled with a horizontal shaft seat (113), the spiral bevel gear two (111) is inserted with a horizontal shaft (112), the middle part of the horizontal shaft (112) is processed with a boss and is sleeved in the horizontal shaft seat (113) through a bearing, the inner hole of the spiral bevel gear two (111) is processed with an involute spline, and the involute spline of the inner hole of the spiral bevel gear two (111) is slidingly matched with the outer spline of the horizontal shaft (112), the outer wall of the horizontal shaft (112) is sleeved with a vertical grinding wheel gland (114) and a vertical grinding wheel (115), the other end of the horizontal shaft (112) is processed with a thread and clamps the vertical grinding wheel gland (114) and the vertical grinding wheel (115) through a hexagon nut.

Images