CN201693434U

CN201693434U - Steel rail belt sander

Info

Publication number: CN201693434U
Application number: CN2010201945000U
Authority: CN
Inventors: 李洪彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-18
Filing date: 2010-05-18
Publication date: 2011-01-05
Anticipated expiration: 2020-05-18

Abstract

The utility model discloses a steel rail belt sander which comprises a rack, a sanding belt, a driving wheel, a contact wheel, a tensioning wheel, a forward traveling contour wheel and a backward traveling contour wheel which are arranged on the rack, and an internal combustion engine which is arranged on the rack and drives the driving wheel to rotate, wherein the sanding belt is wound on the circumcircles of the driving wheel, the contact wheel and the tensioning wheel in sequence, and an adjusting mechanism used for adjusting the height of the rack is arranged between the rack and the forward traveling contour wheel, or between the rack and the backward traveling contour wheel. The steel rail belt sander adopts the sanding belt for sanding, the sanding belt is pressed on the contact wheel at the welding joint, a circular rubber is arranged on the circumcircle of the sanding belt, the sanding belt is contacted with the welding joint flexibly, the contact area is large, the sanding efficiency is high, and the change of thickness of the sanding belt is small when in sanding, thus leading to less operations for adjusting the sanding height and having high working efficiency; simultaneously, the adjusting mechanism of the steel rail belt sander is simple, and can be adjusted conveniently and reliably; the driving wheel, the contact wheel and the tensioning wheel are all arranged on a support plate, thus being convenient for installation and debugging; and the internal combustion engine is applicable to electroless field work.

Description

Rail belt grinder

Technical field

The utility model relates to a kind of sander, particularly a kind of rail belt grinder.

Background technology

Need butt welded seam to polish after the online welding of railway track, the soldering, make the rail surfacing.To the steel rail welding line polishing wheel sanders that adopt, wheel sander appearance and size is big more in the operation of tradition weld grinding, and equipment is heavy, complex structure, and manipulation strength is big, and maintenance is inconvenient; Simultaneously, wheel sander adopts grinder buffing, and emery wheel contacts with the rail rigidity, and vibrations are big, and grinding wheel speed can not be too high, thereby grinder buffing efficient is low, is difficult to satisfy short time skylight job requirements; Because emery wheel is little with the contact area of weld seam, abrasion of grinding wheel is fast simultaneously, must constantly adjust the emery wheel height in the bruting process, and operator's labour intensity is big.

Therefore need a kind of rail grinding machine, make it possess the grinding efficiency height, simple in structure, operating maintenance is characteristics easily, to adapt to the needs of steel rail grinding operation.

The utility model content

In view of this, the purpose of this utility model provides a kind of grinding efficiency height, and simple in structure, operating maintenance is rail belt grinder easily.

The utility model rail belt grinder, comprise frame, abrasive band, driving wheel, contact wheel, regulating wheel, be arranged on preceding walking contour wheel and the back walking contour wheel on the frame and be arranged on the explosive motor that is used to drive the driving wheel rotation on the frame, described abrasive band on the cylindrical of driving wheel, contact wheel and regulating wheel, is provided with the governor motion that is used to regulate bracket height between described frame and the preceding walking contour wheel or between frame and the back walking contour wheel successively.

Further, described governor motion comprises that the stage casing has the adjusting screw(rod) of annular projection, cooperates with the adjusting screw(rod) screw thread pair and outer surface vertically is provided with the nut of guide chute and is fixedly installed on the frame and is coated at the fixed cover of nut, described fixed cover inner surface is provided with the feather key that is embedded in the nut guide chute and slides up and down cooperation with it, the fixed cover upper surface is set with the cover plate that the middle part is provided with through hole, the cover plate through hole is passed in described adjusting screw(rod) upper end, and annular projection withstands on the cover plate lower surface; The contour wheel of walking before described is fixedlyed connected with nut by bracing frame I or back walking contour wheel is fixedlyed connected with nut by bracing frame II.

Further, be set with gripper shoe on the described frame, the wheel shaft of described driving wheel and gripper shoe one end single-degree-of-freedom are rotatably assorted, the wheel shaft of described contact wheel and gripper shoe other end single-degree-of-freedom are rotatably assorted, described gripper shoe stage casing is set with the tensioning governor motion, and the tensioning governor motion is rotatably assorted away from an end and the regulating wheel single-degree-of-freedom of gripper shoe.

Further, coaxially on the described contact wheel periphery be set with circular rubber.

The beneficial effects of the utility model: the utility model rail belt grinder, compact conformation, profile is little, and is in light weight, is convenient to the smooth polishing after the online welding of rail, the soldering, processing ease; Rail belt grinder adopts explosive motor to be used as power, and is suitable for open-air no electric operation; Rail belt grinder adopts belt sanding, its periphery of contact wheel that the abrasive band is pressed in welded joints is provided with circular rubber, making the abrasive band is flexible the contact with weld seam when grinding, and polishing shakes little, and contact area is big, the grinding speed height, the grinding efficiency height, the abrasive band varied in thickness is very little when polishing simultaneously, so this rail belt grinder when polishing operation, once adjust can be for a long time behind the polishing height in no longer adjustment, alleviate operator's labour intensity, improved functioning efficiency; The polishing governor motion of this rail belt grinder is simple simultaneously, and is easy to adjust reliable; The driving wheel of this rail belt grinder, contact wheel and regulating wheel connect into integral body by gripper shoe, and Installation and Debugging are convenient; This rail belt grinder is simple in structure simultaneously, uses easy to maintenance.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the utility model rail belt grinder overall structure schematic diagram;

Fig. 2 is the cutaway view of Fig. 1 along A-A;

Fig. 3 is the utility model rail belt grinder abrasive band drive mechanism schematic diagram;

Fig. 4 is the cutaway view of Fig. 3 along B-B.

The specific embodiment

Fig. 1 is the utility model rail belt grinder overall structure schematic diagram; Fig. 2 is the cutaway view of Fig. 1 along A-A; Fig. 3 is the utility model rail belt grinder abrasive band drive mechanism schematic diagram; Fig. 4 is the cutaway view of Fig. 3 along B-B.

The utility model rail belt grinder as shown in the figure, comprise frame 1, abrasive band 4, driving wheel 5, contact wheel 6, regulating wheel 7, be arranged on preceding walking contour wheel 3 and the back walking contour wheel 13 on the frame 1 and be arranged on the explosive motor 2 that is used to drive driving wheel 5 rotations on the frame 1, described abrasive band 4 on the cylindrical of driving wheel 5, contact wheel 6 and regulating wheel 7, is provided with the governor motion (governor motion also can be arranged between the bracing frame I3a of frame 1 and preceding walking contour wheel 3 certainly) that is used to regulate frame 1 height successively between the described back walking contour wheel 13.

Be set with gripper shoe 14 on the described frame 1 described in the present embodiment; The wheel shaft of described driving wheel 5 and gripper shoe 14 1 end single-degree-of-freedoms are rotatably assorted; The wheel shaft of described contact wheel 6 and gripper shoe 14 other end single-degree-of-freedoms are rotatably assorted; Gripper shoe 14 stage casings are provided with tensioning governor motion 8, and described governor motion 8 is a threaded engagement formula structure; Described tensioning governor motion 8 is rotatably assorted away from an end and regulating wheel 7 single-degree-of-freedoms of gripper shoe 14; Described driving wheel 5, contact wheel 6 and regulating wheel 7 connect and compose integral body by tensioning governor motion 8 and gripper shoe 14, make present embodiment rail belt grinder transmission mechanism manufacturing, easy for installation, this rail belt grinder machine shape is little, in light weight simultaneously, is convenient to operation.

The governor motion of present embodiment rail belt grinder, comprise that the stage casing has the adjusting screw(rod) 9 of annular projection 9a, cooperate with adjusting screw(rod) 9 screw thread pairs and outer surface vertically is provided with the nut 10 of guide chute and is fixedly installed on frame 1 rear end and is coated at the fixed cover 11 of nut 10, described fixed cover 11 inner surfaces are provided with the feather key 12 that is embedded in nut 10 guide chutes and slides up and down cooperation with it, fixed cover 11 upper surfaces are set with the cover plate 14 that the middle part is provided with through hole, cover plate 14 through holes are passed in described adjusting screw(rod) 9 upper ends, and annular projection 9a withstands on cover plate 14 lower surfaces; Described back walking contour wheel 13 is fixedlyed connected with nut 10 by bracing frame II13a; Rotation adjusting screw(rod) 9 described frames 1 are just rotated around preceding walking contour wheel 3 centers of rotation, and polishing highly just can be adjusted, and it is highly easy to adjust simple to polish.

Contact wheel described in the present embodiment 6 is coaxial on outer circumference surface to be set with circular rubber 15, contact wheel 6 is pressed against abrasive band 4 on the steel rail welding line, the coefficient of friction in rubber and abrasive band 4 is big, thereby the transmission efficiency height, and rubber is flexible simultaneously, make between abrasive band 4 and the weld seam and contact for flexible, increased the contact area of abrasive band 4 with weld seam, flexible contact vibrations are little, guaranteed the polishing welding seams that abrasive band 4 can be at a high speed, the grinding efficiency height, big contact area has further strengthened operating efficiency simultaneously; When polishing abrasive band 4 varied in thickness little, thereby this rail belt grinder polishes when operation that highly to regulate number of times few, alleviated labour intensity and also improved functioning efficiency.

Power set in the present embodiment adopt explosive motor 2, are suitable for open-air no electric operation.

Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. rail belt grinder, it is characterized in that: comprise frame (1), abrasive band (4), driving wheel (5), contact wheel (6), regulating wheel (7), be arranged on preceding walking contour wheel (3) and the back walking contour wheel (13) on the frame (1) and be arranged on and be used to drive the explosive motor (2) that driving wheel (5) rotates on the frame (1), described abrasive band (4) is successively around driving wheel (5), on the cylindrical of contact wheel (6) and regulating wheel (7), be provided with the governor motion that is used to regulate frame (1) height between described frame (1) and the preceding walking contour wheel (3) or between frame (1) and the back walking contour wheel (13).

2. rail belt grinder according to claim 1, it is characterized in that: described governor motion comprises that the stage casing has the adjusting screw(rod) of annular projection (9a) (9), cooperate with adjusting screw(rod) (9) screw thread pair and outer surface vertically is provided with the nut (10) of guide chute and is fixedly installed on the fixed cover (11) that frame (1) went up and be coated at nut (10), described fixed cover (11) inner surface is provided with the feather key (12) that is embedded in nut (10) guide chute and slides up and down cooperation with it, fixed cover (11) upper surface is set with the cover plate (14) that the middle part is provided with through hole, cover plate (14) through hole is passed in described adjusting screw(rod) (9) upper end, and annular projection (9a) withstands on cover plate (14) lower surface; The contour wheel (3) of walking before described is fixedlyed connected with nut (10) by bracing frame I (3a) or back walking contour wheel (13) is fixedlyed connected with nut (10) by bracing frame II (13a).

3. rail belt grinder according to claim 2, it is characterized in that: be set with gripper shoe (14) on the described frame (1), the wheel shaft of described driving wheel (5) and gripper shoe (14) one end single-degree-of-freedoms are rotatably assorted, the wheel shaft of described contact wheel (6) and gripper shoe (14) other end single-degree-of-freedom are rotatably assorted, described gripper shoe (14) stage casing is set with tensioning governor motion (8), and tensioning governor motion (8) is rotatably assorted away from an end and regulating wheel (7) single-degree-of-freedom of gripper shoe (14).

4. rail belt grinder according to claim 3 is characterized in that: the coaxial circular rubber (15) that is set with on described contact wheel (6) periphery.