CN102561119B - Automatic grinding machine for weld seam at bottom of small-sized steel rail - Google Patents
Automatic grinding machine for weld seam at bottom of small-sized steel rail Download PDFInfo
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- CN102561119B CN102561119B CN201210018331.9A CN201210018331A CN102561119B CN 102561119 B CN102561119 B CN 102561119B CN 201210018331 A CN201210018331 A CN 201210018331A CN 102561119 B CN102561119 B CN 102561119B
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- feed shaft
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- weld seam
- grinding wheel
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Abstract
The invention discloses an automatic grinding machine for a weld seam at the bottom of a small-sized steel rail. The automatic grinding machine comprises a clamping mechanism and is characterized in that a feed shaft sleeve arranged at one side of the clamping mechanism is provided with a feed shaft, and the feed shaft can be adjusted upwards and downwards; a connecting arm is articulated with the lower part of the feed shaft; a free end of the connecting arm is articulated with a grinding frame which is provided with a motor and a grinding head; the grinding head comprises an outer bearing sleeve, a grinding wheel spindle arranged in the outer bearing sleeve by a bearing, and a grinding wheel arranged at the upper end of the grinding wheel spindle; and the motor is connected with the grinding wheel spindle by a belt transmission mechanism. The automatic grinding machine has the advantages of being compact in structure, convenient in installation and operation, flexible in movement, good in work stability, high in grinding accuracy and efficiency, good in grinding quality and low in labor intensity, so that the labor intensity of operators can be greatly lightened, the dependence for the operation technique capability of the operators can be eliminated to the utmost extent at the same time, and demand of railway public work construction site for equipment can be met.
Description
Technical field
The present invention relates to a kind of railway equipment, relate to a kind of automatic grinding machine for weld seam at bottom of small-sized steel rail.
Background technology
Rail back welding seam automatic sander is mainly used in the overall dimensions finishing of the steel rail weld joint bottoms such as on-the-spot gas pressure welding of rail, mobile flash welding, exothermic welding.The unnecessary overlap flange of rail part-protruding metal in rail profile that utilizes Rail back welding seam automatic sander weld can be produced partly grinds away, and the overall dimensions of weld rail and whole one steel rail is consistent, to meet relative national standards.The domestic manual polishing mode of hand grinding tool that generally adopts of weld grinding at the bottom of current on-the-spot Rail, therefore high to operating personnel's operating technology requirement, and workman's labour intensity is large, inefficiency, and the quality after polishing can not be guaranteed.
Summary of the invention
The technical problem to be solved in the present invention is that a kind of compact conformation, easy to operate will be provided, and polishing precision and efficiency are high, and polishing quality is good, the automatic grinding machine for weld seam at bottom of small-sized steel rail that labour intensity is little.
The automatic grinding machine for weld seam at bottom of small-sized steel rail the present invention relates to, comprise clamp mechanism, its special character is: at the feed shaft of clamp mechanism one side, put the adjustable feed shaft of upper-lower position is installed, in feed shaft lower hinge, there is linking arm, free end at linking arm is hinged with polishing rack, motor and grinding head are installed on polishing rack, described grinding head is to consist of bearing outside, the grinding wheel that is arranged on the grinding wheel spindle in bearing outside and is arranged on grinding wheel spindle upper end by bearing, and described motor is connected by belt gear with grinding wheel spindle.
Above-mentioned automatic grinding machine for weld seam at bottom of small-sized steel rail, the free end of described linking arm is hinged by hollow minor axis and polishing rack, on hollow minor axis, be fitted with minor axis control stick, on polishing rack, be fixed with emery wheel control stick, by the cooperation of minor axis control stick and emery wheel control stick, be convenient to realize the horizontal and vertical swing of polishing rack, thereby realize the horizontal and vertical mobile polishing of grinding head.
Above-mentioned automatic grinding machine for weld seam at bottom of small-sized steel rail, fastening bolt and the symmetrical handle that is connected to both sides, clamp body upper end that described clamp mechanism is by clamp body, be welded on described feeding axle sleeve on clamp body, be located at clamp body upper center form, so that install and operation.
Above-mentioned automatic grinding machine for weld seam at bottom of small-sized steel rail, described feed shaft through feeds axle sleeve and is threaded with the feed nut and the locking nut that are located at feed shaft set upper side, so that regulate the upper-lower position of feed shaft.
Above-mentioned automatic grinding machine for weld seam at bottom of small-sized steel rail is welded with two otic placodes on polishing rack, and described polishing rack is enclosed within on hollow minor axis and by being located at the nut at hollow minor axis two ends and is located by two otic placodes.
Advantage of the present invention is: because the feed shaft in clamp mechanism one side puts by feed shaft, be hinged with linking arm, free end at linking arm is hinged with polishing rack, therefore linking arm and polishing rack can swing simultaneously, make grinding wheel in baseplane, freely carry out horizontal and vertical polishing campaign in-orbit, thereby realize the polishing to rail foot overlap; Compact conformation, fitting operation are conveniently, flexibly mobile, good operating stability, polishing precision and efficiency are high, polishing quality is good, and labour intensity is little, greatly reduces operating personnel's labour intensity, eliminate to greatest extent the dependence to people's operating technology level, meet the demand of railway engineering construction scene to equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 be in Fig. 1 the rotation of linking arm and polishing rack to the schematic diagram after vertical with rail;
Fig. 3 is the A-A sectional view of Fig. 1.
In figure: handle 1, binding nut 2, fastening bolt 3, grinding head 4, motor 5, emery wheel control stick 6, two otic placodes 7, motor seat board 8, polishing rack 9, minor axis control stick 10, hollow minor axis 11, linking arm 12, feeding axle sleeve 13, feed shaft 14, clamp body 15, setscrew nut 16, bearing holder (housing, cover) 17, feed nut 18, nut inner sleeve 1801, nut overcoat 1802, locking nut 19, wheel guard 20, bearing outside 21, belt housing 22, nut 23, grinding wheel 24, bearing (ball) cover 25, thrust bearing 26, radial bearing 27, grinding wheel spindle 28, belt gear 29, thrust bearing 30, rail 31.
The specific embodiment
As shown in the figure, the automatic grinding machine for weld seam at bottom of small-sized steel rail the present invention relates to, comprise for being fixed on the clamp mechanism on rail, described clamp mechanism is the clamp body 15 being welded by sheet material, be welded on the feeding axle sleeve 13 of clamp body 15 bottom one sides, be welded on the binding nut 2 of clamp body 15 upper center, the fastening bolt 3 and the symmetrical handle 1 that is connected to clamp body 15 both sides, upper end that screw in binding nut 2 form.Corresponding feeding axle sleeve 13 opposite sides of clamp body 15 are uncovered structure, the adjustable feed shaft of upper-lower position 14 is installed on described feeding axle sleeve 13, described feed shaft 14 through feeds axle sleeve 13 and is threaded with the feed nut 18 and the locking nut 19 that are located at feeding axle sleeve 13 upper ends, so that regulate the upper-lower position of feed shaft 14.Described feed nut 18 is to be connected by screw and to form with the nut overcoat 1802 that is enclosed within nut inner sleeve 1801 upper ends by the nut inner sleeve 1801 that is stuck in feeding axle sleeve 13 upper port, is provided with bearing holder (housing, cover) 17 and thrust bearing 30 between nut overcoat 1802 and feeding axle sleeve 13.In feed shaft 14 lower hinge, there is linking arm 12, linking arm 12 is by being located at two setscrew nuts, 16 location of feed shaft 14 lower ends, free end at linking arm 12 is hinged with polishing rack 9 by hollow minor axis 11, on hollow minor axis 11, be fitted with minor axis control stick 10, on polishing rack 9, be welded with two otic placodes 7 and a motor seat board 8, described polishing rack 9 is enclosed within on hollow minor axis 11 and by being located at nut 23 location at hollow minor axis 11 two ends by two otic placodes 7, and the free end of linking arm 12 is enclosed within on hollow minor axis 11 and between two otic placodes 7.Grinding head 4 is installed on polishing rack 9, described grinding head 4 is by the bearing outside 21 being welded on polishing rack 9 away from otic placode 7 one end, by radial bearing 27 and thrust bearing 26, be arranged on the grinding wheel spindle 28 in bearing outside 21, be fixed on the bearing (ball) cover 25 at bearing outside two ends Shang Xia 21, and grinding wheel 24 formations that are fixed on grinding wheel spindle 28 upper ends.Motor 5 is installed on motor seat board 8, described motor 5 output shafts are connected by belt gear 29 with grinding wheel spindle 28 lower ends, on the bearing (ball) cover 25 of bearing outside 21 upper ends, be fixed with the wheel guard 20 that covers on grinding wheel 24 outsides, on the bearing (ball) cover 25 of bearing outside 21 lower ends, be fixed with belt housing 22.In polishing rack 9 upper surfaces, near otic placode 7 one end, be fixed with emery wheel control stick 6, by the cooperation of minor axis control stick 10 and emery wheel control stick 6, be convenient to realize the horizontal and vertical swing of polishing rack 9, thereby realize the horizontal and vertical mobile polishing of grinding head.
During use, rail welding position is paved to certain altitude, clamp body 15 is inserted to rail 31 by a side that approaches rail welding position, rotation fastening bolt 3 makes it be pressed in rail surface, and clamp mechanism is fixed on rail.By feed nut 18 and locking nut 19, regulate the upper-lower position of feed shaft 14, make the unnecessary overlap of the corresponding rail foot surface weld generation of height of grinding wheel 24, actuating motor 5 drives grinding wheel 24 High Rotation Speeds, operator's both hands are held respectively minor axis control stick 10 and emery wheel control stick 6, just can handle the horizontal and vertical mobile polishing of polishing rack 9 and grinding head.
Claims (4)
1. an automatic grinding machine for weld seam at bottom of small-sized steel rail, comprise clamp mechanism, it is characterized in that: at the feed shaft of clamp mechanism one side, put the adjustable feed shaft of upper-lower position is installed, in feed shaft lower hinge, there is linking arm, free end at linking arm is hinged with polishing rack, motor and grinding head are installed on polishing rack, described grinding head is by bearing outside, the grinding wheel spindle being arranged in bearing outside by radial bearing and thrust bearing forms with the grinding wheel that is arranged on grinding wheel spindle upper end, described motor is connected by belt gear with grinding wheel spindle, the free end of described linking arm is hinged by hollow minor axis and polishing rack, on hollow minor axis, be fitted with minor axis control stick, on polishing rack, be fixed with emery wheel control stick.
2. automatic grinding machine for weld seam at bottom of small-sized steel rail according to claim 1, is characterized in that: described clamp mechanism is by clamp body, is welded on the described feeding axle sleeve on clamp body, the fastening bolt that is located at clamp body upper center and the symmetrical handle that is connected to both sides, clamp body upper end and forms.
3. automatic grinding machine for weld seam at bottom of small-sized steel rail according to claim 1, is characterized in that: described feed shaft through feeds axle sleeve and is threaded with the feed nut and the locking nut that are located at feed shaft set upper side.
4. automatic grinding machine for weld seam at bottom of small-sized steel rail according to claim 1, is characterized in that: on polishing rack, be welded with two otic placodes, described polishing rack is enclosed within on hollow minor axis and by being located at the nut at hollow minor axis two ends and is located by two otic placodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018331.9A CN102561119B (en) | 2012-01-20 | 2012-01-20 | Automatic grinding machine for weld seam at bottom of small-sized steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018331.9A CN102561119B (en) | 2012-01-20 | 2012-01-20 | Automatic grinding machine for weld seam at bottom of small-sized steel rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102561119A CN102561119A (en) | 2012-07-11 |
| CN102561119B true CN102561119B (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210018331.9A Active CN102561119B (en) | 2012-01-20 | 2012-01-20 | Automatic grinding machine for weld seam at bottom of small-sized steel rail |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128616B (en) * | 2013-01-25 | 2015-07-01 | 中铁一局集团有限公司 | Rail jaw refiner of rocket sled sliding rail welding connector |
| CN103215864B (en) * | 2013-04-17 | 2015-06-17 | 济南勰诚铁路设备有限公司 | Rail web grinding machine for steel rail of railroad |
| CN105648857B (en) * | 2014-11-14 | 2017-10-13 | 中铁上海工程局集团有限公司 | Rail flange of rail machine for grinding welding seam |
| CN104389250B (en) * | 2014-12-02 | 2016-09-07 | 武汉翰铁科技有限公司 | A kind of sander for the railway track web of the rail |
| CN107639501B (en) * | 2017-11-10 | 2023-11-03 | 成都艾格科技有限责任公司 | Intelligent automatic steel rail grinding machine |
| CN110181352B (en) * | 2019-06-24 | 2024-02-27 | 橡技工业(苏州)有限公司 | Full-automatic burr polisher of small-size roller tip |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2849263A1 (en) * | 1978-01-02 | 1979-08-16 | Plasser Bahnbaumasch Franz | Mobile railway track rail surface trimming machine - has length adjustable spacers hinging tool holders working on opposite rails together |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070770U (en) * | 1990-06-20 | 1991-02-06 | 北京铁路局北京科学技术研究所 | Grinder for rail bottom |
| DE20210021U1 (en) * | 2002-06-28 | 2002-11-14 | Robel Bahnbaumaschinen Gmbh | grinding machine |
| CN201952693U (en) * | 2010-09-13 | 2011-08-31 | 季关钰 | Site polisher for welding line at bottom of steel rail |
-
2012
- 2012-01-20 CN CN201210018331.9A patent/CN102561119B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2849263A1 (en) * | 1978-01-02 | 1979-08-16 | Plasser Bahnbaumasch Franz | Mobile railway track rail surface trimming machine - has length adjustable spacers hinging tool holders working on opposite rails together |
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| CN102561119A (en) | 2012-07-11 |
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Effective date of registration: 20200623 Address after: 110013 4-3, Jing bin street, Shenhe District, Shenyang City, Liaoning province (1-7 level) Patentee after: Shenyang Railway Science and Technology Research Institute Co.,Ltd. Address before: Jinzhou City, Liaoning Province, 121000 Heping Road Linghe District No. five five Patentee before: SCIENCE AND TECHNOLOGY Research Institute OF SHENYANG RAILWAY ADMINISTRATION |