CN115613405A - Dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail - Google Patents
Dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail Download PDFInfo
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- CN115613405A CN115613405A CN202211126722.2A CN202211126722A CN115613405A CN 115613405 A CN115613405 A CN 115613405A CN 202211126722 A CN202211126722 A CN 202211126722A CN 115613405 A CN115613405 A CN 115613405A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 238000005498 polishing Methods 0.000 title claims abstract description 35
- 238000003466 welding Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 210000000078 claw Anatomy 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000007517 polishing process Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
- E01B31/175—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding using grinding belts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a foldable land-rail dual-purpose steel rail welding seam abrasive belt grinding device, which comprises: the device comprises a frame, a rail clamping mechanism, a traveling mechanism and a foldable abrasive belt polishing mechanism. The rail clamping mechanism is arranged at the front end of the rack and used for detachably clamping a steel rail to be polished; the travelling mechanisms are arranged at the rear end and the bottom of the rack and are used for equipment to travel on land and on a track; the foldable abrasive belt grinding mechanism is arranged in the middle of the rack and used for grinding the welding seams of the steel rails. The grinding equipment provided by the invention uses the abrasive belt as a grinding tool, the grinding efficiency of the weld joint of the rail web of the steel rail can be obviously improved, the foldable abrasive belt grinding mechanism is adopted, the multi-degree-of-freedom copying grinding of the weld joints on two sides of the rail web can be realized, the rapid fixing of the whole machine on the steel rail can be realized through the rail clamping mechanism, the grinding stability and the grinding quality are effectively improved, the rapid walking of the whole machine on land and the rail can be realized through the walking mechanism, and the labor intensity can be effectively reduced.
Description
Technical Field
The invention relates to the field of steel rail grinding equipment, in particular to foldable land and rail dual-purpose steel rail welding seam abrasive belt grinding equipment.
Background
The information disclosed in this background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The rail web welding line grinding of the railway steel rail is one of the projects with large workload after line maintenance welding operation, and the operation mainly adopts the mode of manually holding an electric grinding wheel, an angle grinder and a grinding wheel rail web grinder. However, this method has the following disadvantages: 1. the grinding wheel has low grinding efficiency, can not accurately perform profile grinding on the welding line of the rail web, and is easy to damage the steel rail. 2. Sander equipment is heavy, difficult to move over the ground, and relies on manual handling during maintenance operations. 3. The welding line on one side can only be polished in the operation process of the polishing machine, the welding line on the other side needs to be repositioned, the operation is complex, and the efficiency is low.
Disclosure of Invention
Aiming at the problems, the invention provides foldable land and rail dual-purpose steel rail welding seam abrasive belt grinding equipment, which is used for carrying out multi-degree-of-freedom copying grinding on rail web welding seams of a steel rail, can obviously improve grinding efficiency and grinding quality, can realize quick walking of a whole machine on land and a rail through a walking mechanism, and can effectively reduce labor intensity. In order to achieve the above object, the present invention provides the following technical solutions.
The utility model provides a dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail, includes: the device comprises a frame, a rail clamping mechanism, a traveling mechanism and a foldable abrasive belt polishing mechanism; the rail clamping mechanism is arranged at the front end of the rack and used for detachably clamping a steel rail to be polished; the travelling mechanisms are arranged at the rear end and the bottom of the rack and are used for equipment to travel on land and on a track; the foldable abrasive belt polishing mechanism is arranged in the middle of the rack and used for polishing the welding seam of the steel rail;
foldable belt sanding mechanism includes: the device comprises a folding device, a motor base, an electric device and a belt sanding unit; one end of the folding device is fixed on the middle inner frame of the frame, the motor base is fixed at the other end of the folding device, and the abrasive belt polishing unit is arranged below the motor base; the electric device is connected with the abrasive belt polishing unit, arranged in the rear frame of the frame and used for supplying power and controlling the abrasive belt polishing unit;
the folding device includes: the reversing table comprises a reversing table bracket, a reversing limiting cylinder, a reversing table, a transverse moving screw rod, a large rotating arm, a small rotating arm and a transverse moving hand wheel; one end of the reversing table support is horizontally and fixedly connected to an internal frame of the rack, and the upper end of the reversing table support is provided with arc-shaped teeth; the reversing table bracket is fixedly connected with the rack through a bolt, the upper part of the reversing table is of a square structure, and the square structure comprises a front side wall, a rear side wall and a bottom plate; the lower part of the reversing table is of a cylindrical structure, the cylindrical structure at the lower part is matched with the reversing table bracket through a deep groove ball bearing and a thrust ball bearing and is fixed on a bearing in the reversing table bracket, so that the reversing table can rotate relative to the rack; the reversing limiting cylinder consists of a left part and a right part, the left part and the right part are connected through three bolts positioned on two sides and the top, and the bolt positioned on the top can also be used as a handle, so that the matching of the arc-shaped teeth is conveniently controlled, and the locking of the reversing table is further controlled; the left part and the right part of the reversing limiting cylinder are connected and then are of a hollow structure, and the reversing table is positioned in the reversing limiting cylinder; the upper square structure of the reversing table is arranged in the upper space of the reversing limiting cylinder and is matched with the reversing limiting cylinder, so that the reversing table and the reversing limiting cylinder can synchronously rotate and relatively move up and down in a certain range; the lower end of the lower structure of the reversing limiting cylinder is provided with arc-shaped teeth which are matched with the arc-shaped teeth at the upper end of the reversing table bracket, so that the reversing table can be quickly locked in different directions;
one end of the transverse screw rod is connected with the transverse hand wheel, the other end of the transverse screw rod penetrates through the front side wall and the rear side wall of the reversing table in sequence and then is rotatably connected with one end of the large rotating arm, and the transverse screw rod is in threaded connection with the front side wall of the reversing table and used for controlling the transverse displacement of the abrasive belt polishing unit; the other end of the large rotating arm is rotatably connected with one end of the small rotating arm, and the other end of the small rotating arm is fixedly connected with the motor base.
The folding device further comprises a polishing mechanism lock catch, and the polishing mechanism lock catch is fixed on the outer wall of the large rotating arm; the motor base is provided with a buckle which can be quickly locked and unlocked with the grinding mechanism buckle for quickly fixing the foldable abrasive belt grinding mechanism.
The belt sanding unit comprises: the device comprises a driving motor, a driving wheel, a guide wheel bracket, a first guide wheel, a second guide wheel, a tensioning device, a driven wheel bracket, a driven wheel and an abrasive belt; the driving motor is fixed on the inner wall of the bottom structure of the motor base, and one end of the driving motor and a motor shaft extend out of the motor base from an opening of the bottom structure of the motor base; the driving wheel is positioned outside the bottom structure of the motor base and fixed on a motor shaft of the driving motor; the side wall of the guide wheel bracket is fixed on a bearing on the outer end face of the motor base, so that the first guide wheel, the second guide wheel, the tensioning device and the driven wheel can integrally swing up and down around the bearing in a certain range in the polishing process; the first guide wheel and the second guide wheel are rotatably connected to the guide wheel bracket; the tensioning device is positioned between the upper belt and the lower belt of the abrasive belt so as to enable the abrasive belt to be connected to the driving wheel, the first guide wheel, the second guide wheel and the driven wheel in a tensioning mode, and specifically: one end of the tension device is fixed on the outer end face of the guide wheel support, the driven wheel support is fixed on the other end of the tension device, the driven wheel is rotatably connected to the driven wheel support, and the abrasive belt is tensioned and sleeved on the driving wheel, the first guide wheel, the second guide wheel and the driven wheel, so that the abrasive belt forms an L-shaped abrasive belt mechanism.
The abrasive belt grinding unit further comprises an abrasive belt protective cover, the abrasive belt protective cover is fixed on the guide wheel support and covers the driving wheel, the first guide wheel, the second guide wheel and the tensioning device.
The tensioner includes: the tensioning seat, the tensioning rod, the groove, the clamping pin and the limiting nut; one end of the tensioning seat is fixedly connected with the guide wheel support, a groove is formed in the side wall of the other end of the tensioning seat, a clamping pin is arranged on the side wall of one end of the tensioning rod, the other end of the tensioning rod is inserted into the tensioning seat and matched with the groove, and a spring is arranged between the end part of the tensioning rod and the groove and can extrude the tensioning rod to enable the tensioning rod to be tensioned; the end part of the tensioning seat is provided with a limiting nut which is used for limiting the moving range of the clamping pin in the groove and preventing the tensioning rod from being extruded out of the groove by the spring; the driven wheel bracket is fixed at the other end of the tension rod; the wheel shaft of the driven wheel is connected with a limiting wheel in a rotating mode, and the diameter of the limiting wheel is larger than that of the driven wheel, so that the surface of the steel rail is prevented from being excessively polished when the driven wheel swings up and down to polish the welding line.
The rail clamping mechanism is arranged on a front end frame of the rack and used for detachably clamping a steel rail to be polished; the rail clamping mechanism comprises: the device comprises a clamping support, a screw rod support, a front end protection plate, a clamping claw, a clamping connecting rod, a screw rod nut, an adjusting screw rod and a hand wheel; one end of the clamping support is fixedly connected to the front side wall of the bottom of the rack, and the lower end of the front-end guard plate is fixedly connected with the other end of the clamping support. One end of the screw rod support is fixedly connected to the upper portion of the front end protection plate, and the other end of the screw rod support is fixedly connected to the front side wall of the top of the rack. The clamping claw is of an arc-shaped structure and is rotatably connected to the left side and the right side of the clamping support. One end of the clamping connecting rod is rotatably connected to the clamping claw, and the other end of the clamping connecting rod is movably connected to the screw nut. The hand wheel is connected with one end of the adjusting screw rod. The other end of the adjusting screw penetrates through the screw rod support and the screw rod nut and then is connected with the clamping support through a bearing. The clamping claws and the clamping connecting rods are respectively two and are symmetrically distributed on the left side and the right side of the adjusting screw rod, so that the rail clamping mechanism is more stable when clamped on a steel rail.
The running gear includes: the telescopic pull rod lock catch, the telescopic pull rod fixing plate, the ground wheel support frame, the ground wheel, the track front wheel support frame, the track front wheel and the track rear wheel; the telescopic rod lock catch is fixed on the top surface of the middle rear part of the rack. The telescopic pull rod is fixed on the telescopic pull rod fixing plate. The telescopic pull rod fixing plate is rotatably connected to the top of the rear end of the ground wheel supporting frame, and the middle of the telescopic pull rod fixing plate is provided with a buckle and can be quickly locked with the telescopic pull rod lock catch, so that the telescopic pull rod is stably connected with the rack, and the equipment is conveniently pushed on land. The ground wheel support frame is fixed on a rear end frame of the rack, and a rotation limiting plate is installed at the top of the ground wheel support frame and used for limiting the rotation range of the telescopic pull rod fixing plate; the ground wheel is rotationally connected with the ground wheel support frame through a bearing, symmetrically distributed on the left side and the right side of the ground wheel support frame and used for equipment to walk on the land; the rail front wheel bracket is fixed at the front part of the bottom end of the frame. The track rear wheel is rotatably connected to the bottom end of the ground support frame through a bearing, and the track front wheel is installed on a track front wheel support.
The frame includes frame, first pole fixing base, second pole fixing base, handle pole support frame, handle pole, auxiliary stay connecting seat, auxiliary stay fixing base, first auxiliary stay and second auxiliary stay. The handle bar support frame is fixed on the left side of the front frame of the frame, one end of the handle bar can penetrate through a through hole in the middle of the first handle bar fixing seat to be in threaded connection with the second handle bar fixing seat, and the other end of the handle bar is nested on the handle bar support frame. The utility model discloses a ground wheel support, including frame, auxiliary stay, ground wheel support, auxiliary stay connecting seat, two auxiliary stay fixing bases symmetric distribution are in the left and right sides at the middle rear portion bottom end frame of frame, the one end of first auxiliary stay and second auxiliary stay can respectively with auxiliary stay fixing base threaded connection, the other end can nestification on the support frame of front end backplate.
The rear part of the first handle fixing seat is provided with a threaded seat, the middle part of the first handle fixing seat is provided with a through hole, the front part of the first handle fixing seat is provided with a handle, the threaded seat can be in threaded connection with a handle rod, and the handle is used for operating the foldable abrasive belt polishing mechanism; the handle rod can be in threaded connection with the threaded seat of the first handle rod fixing seat.
One end of the first auxiliary supporting rod can be in threaded connection with the auxiliary supporting rod connecting seat, the other end of the first auxiliary supporting rod is connected with one end of the second auxiliary supporting rod, and the other end of the second auxiliary supporting rod is provided with a track wheel.
Rubber pads are arranged on the handle bar support frame and the support frame of the front end protection plate.
The electric device adopts a rechargeable lithium battery, is connected with the driving motor and is used for supplying energy and controlling the operation of the driving motor.
The lower end of the lower structure of the reversing limiting cylinder is provided with 4 arc-shaped teeth.
Compared with the prior art, the invention has the following beneficial effects:
(1) Compared with the traditional grinding equipment, the foldable dual-purpose steel rail and land rail welding seam abrasive belt grinding equipment adopts the foldable abrasive belt grinding mechanism, can realize multi-degree-of-freedom copying grinding of welding seams at two sides of a rail web, can realize quick fixation of a complete machine on a steel rail through the rail clamping mechanism, effectively improves grinding stability and grinding quality, and can realize quick walking of the complete machine on land and the rail through the walking mechanism, effectively reduces labor intensity and improves grinding operation convenience.
(2) Compared with the traditional grinding wheel grinding, the grinding equipment disclosed by the invention utilizes the abrasive belt as a grinding tool, so that the grinding efficiency is improved, the cold grinding and the elastic grinding are realized, the surface of the steel rail is not easy to turn blue, and the influence of rigid contact and vibration of the grinding wheel and the steel rail on the grinding quality is avoided.
(3) The foldable land rail dual-purpose steel rail welding seam abrasive belt grinding equipment is provided with the tensioning device between the driving wheel and the driven wheel, so that the abrasive belt is easy to replace; and the handle is arranged, so that the polishing equipment is convenient to operate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
Fig. 1 is a schematic in-rail grinding schematic diagram of foldable land rail dual-purpose steel rail weld joint belt grinding equipment in the embodiment of the invention.
FIG. 2 is a schematic diagram of an on-track pushing operation of the foldable land-rail dual-purpose steel rail weld joint belt grinding device in the embodiment of the invention.
Fig. 3 is a schematic diagram of on-rail outside grinding of the foldable land-rail dual-purpose steel rail weld joint belt grinding equipment in the embodiment of the invention.
FIG. 4 is a schematic structural diagram of a foldable land-rail dual-purpose steel rail weld joint belt grinding device in the embodiment of the invention.
FIG. 5 is a schematic structural diagram of another view angle of the foldable land-rail dual-purpose steel rail weld joint belt grinding equipment in the embodiment of the invention.
FIG. 6 is a top view of a foldable land rail and rail dual-purpose steel rail weld joint belt grinding device in the embodiment of the invention.
Figure 7 is a schematic structural view of a foldable belt sanding mechanism in an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a rack in an embodiment of the invention.
Fig. 9 is a schematic structural view of a tensioner in an embodiment of the present invention.
The scores in the above figures represent: the device comprises a frame 1, a clamping bracket 21, a screw rod bracket 22, a front end protection plate 23, a clamping claw 24, a clamping connecting rod 25, a screw rod nut 26, an adjusting screw rod 27, a hand wheel 28, a steel rail 29, a telescopic pull rod lock 31, a telescopic pull rod 32, a telescopic pull rod fixing plate 33, a ground wheel support frame 34, a ground wheel 35, a track front wheel bracket 36, a track front wheel 37, a track rear wheel 38, a track wheel 39, a folding device 4, a reversing table bracket 41, a reversing limit cylinder 42, a reversing table 43, a transverse screw rod 44, a large rotary arm 45, a small rotary arm 46, a transverse hand wheel 47, a grinding mechanism lock 48, a motor base 5, an electric device 6, a sanding belt grinding unit 7, a driving motor 70, a driving wheel 71, a guide wheel bracket 72, a first guide wheel 73, a second guide wheel 74, a tensioning device 75, a tensioning base 751, a tensioning bar, a groove 753, a clamping pin 754, a limit nut 755, a limit wheel 756, a driven wheel bracket 76, a driven wheel 77, a sanding belt 78, a protective cover 79, a first hand rod fixing base 11, a threaded base 111, a through hole 112, a handle fixing base 113, a second support bar 12, a second support base 12, a handle support base 12, a second auxiliary support base, a support bar support base 13, a second auxiliary support base 17, a handle support base 15 and an auxiliary handle support base 17.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. The words "up", "down", "left" and "right" as they appear in the present invention merely indicate correspondence with the up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the device or element referred to needs to have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the connecting elements may be mechanically connected, directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
The foldable land-rail dual-purpose steel rail welding seam belt grinding equipment is further described by combining the attached drawings and the specific embodiment of the specification. In order to facilitate understanding of the embodiment of the present invention, the position of the rail clamping mechanism in fig. 1 is taken as the front, the position of the traveling mechanism in fig. 1 is taken as the rear, and the position of the second auxiliary supporting rod 18 in fig. 1 is taken as the left.
Referring to fig. 1 to 3, there is illustrated a foldable land-rail dual-purpose steel rail weld belt grinding apparatus, comprising: frame 1, clamp rail mechanism, running gear and collapsible abrasive band grinding machanism, for traditional emery wheel is polished, the dual-purpose shaped steel rail welding seam abrasive band grinding equipment of folded cascade land rail of this embodiment adopts the abrasive band to be grinding tool, and it can show and promote rail web welding seam efficiency of polishing to adopt running gear can be fast at land and track haulage equipment, can utilize collapsible abrasive band grinding machanism to realize that multi freedom operation is polished the profile modeling of rail web both sides welding seam, specifically:
one end of the folding device 4 is fixed on the middle inner frame of the frame 1, the motor base 5 is fixed at the other end of the folding device 4, and the abrasive belt polishing unit 7 is installed below the motor base 5, so that the contraction and reversing of the abrasive belt polishing unit 7 are facilitated. The electric device 6 is connected with the belt sanding unit 7, and the electric device 6 is arranged in a rear frame of the frame 1 and used for supplying power and controlling the belt sanding unit 7. The electric device 6 employs a rechargeable lithium battery, which is connected to the driving motor 70 so as to control the operation of the driving motor 70. In addition, the lithium battery is adopted for supplying power, so that the lithium battery is cleaner and more beneficial to environmental protection, the output power is more accurate, and the structure of the polishing equipment is more compact.
The folding device 4 comprises: the device comprises a reversing table support 41, a reversing limiting cylinder 42, a reversing table 43, a transverse screw 44, a large rotating arm 45, a small rotating arm 46, a transverse hand wheel 47 and a grinding mechanism lock catch 48. One end of the reversing table bracket 41 is horizontally and fixedly connected to an internal frame of the rack, and arc-shaped teeth are arranged at the upper end of the reversing table bracket 41; the reversing table support 41 is fixedly connected with the rack 1 through a bolt, the upper portion of the reversing table 43 is of a square structure, and the square structure comprises a front side wall, a rear side wall and a bottom plate. The lower part of the reversing table 43 is of a cylindrical structure, and the lower cylindrical structure of the reversing table is matched with the reversing table bracket 41 through a deep groove ball bearing and a thrust ball bearing and is fixed on a bearing inside the reversing table bracket 41, so that the reversing table 43 can rotate relative to the frame 1. The reversing limiting cylinder 42 consists of a left part and a right part which are connected through three bolts at two sides and the top, and the bolts at the top can also be used as handles, so that the matching of arc-shaped teeth is conveniently controlled, and the locking of the reversing table 43 is further controlled. The left part and the right part of the reversing limit cylinder 42 are connected and then are of a hollow structure, and the reversing table 43 is positioned in the reversing limit cylinder 42. The upper square structure of the reversing table 43 is arranged in the upper space of the reversing limiting cylinder 42 and is matched with the reversing limiting cylinder 42, so that the reversing table 43 and the reversing limiting cylinder 42 can synchronously rotate and can relatively move up and down in a certain range. The lower end of the lower structure of the reversing limiting cylinder 42 is provided with 4 arc-shaped teeth which are matched with the arc-shaped teeth at the upper end of the reversing table bracket 41, so that the reversing table 43 can be quickly locked in different directions.
One end of the traverse screw 44 is connected with a traverse hand wheel 47, the other end of the traverse screw 44 passes through the front side wall and the rear side wall of the reversing table 43 in sequence and then is rotatably connected with one end of a large rotating arm 45, and the traverse screw 44 is in threaded connection with the front side wall of the reversing table 43 and is used for controlling the transverse displacement of the abrasive belt polishing unit 7. The other end of the large rotating arm 45 is rotatably connected with one end of a small rotating arm 46, and the other end of the small rotating arm 46 is fixedly connected with the motor base 5 through a bolt.
The grinding mechanism latch 48 is fixed on the outer wall of the large rotating arm 45. The motor base 5 is provided with a fastener which can be quickly locked and unlocked with the sanding mechanism fastener 48 so as to quickly fix the foldable belt sanding mechanism.
When the device is used, referring to fig. 1 to 5, the lock catch 48 of the grinding mechanism is pressed to unlock the motor base 5, the reversing limiting cylinder 42 is lifted through the bolt above the reversing limiting cylinder 42, and the reversing table 43 is driven to rotate 90 clockwise or anticlockwise 0 Thereby driving the traversing lead screw 44, the large rotating arm 45, the small rotating arm 46, the traversing hand wheel 47 and the abrasive belt polishing unit 7 to change the direction, then rotating the large rotating arm 45 and the small rotating arm 46 to enable the abrasive belt polishing unit 7 to be arranged outside the side protection frame of the rack 1, enabling the large rotating arm 45 to be in contact with the side protection frame of the rack 1 through gravity, enabling the small rotating arm 46 and the abrasive belt polishing unit 7 to naturally droop, and then locking the position through the arc-shaped teeth between the reversing table bracket 41 and the reversing limiting cylinder 42, so that the abrasive belt 78 can be just positioned at the welding line at the inner side or the outer side of the rail web of the steel rail, and further rapidly polishing the welding lines at the two sides of the rail web of the steel rail. When the hand wheel 47 is rotated, the transverse screw 44 is driven to rotate, and the large rotating arm 45, the small rotating arm 46 and the small rotating arm connected with the transverse screw are driven to rotate,Motor base 5 moves laterally, so that transverse movement driving of abrasive belt grinding unit 7 is achieved, adjustment of the position of abrasive belt 78 is achieved, and flexibility and application range of use of abrasive belt 78 are increased.
Referring to fig. 1, 3, 7, in another preferred embodiment, the belt sanding unit 7 of the above embodiment comprises: a drive motor 70, a drive pulley 71, a guide pulley holder 72, a first guide pulley 73, a second guide pulley 74, a tensioning device 75, a driven pulley holder 76, a driven pulley 77, a sanding belt 78 and a sanding belt guard 79. Wherein, driving motor 70 is fixed on the bottom structure inner wall of motor cabinet 5, and driving motor 70's one end and motor shaft follow the opening part of the bottom structure of motor cabinet 5 stretches out to the outside of motor cabinet 5. The driving wheel 71 is located outside the bottom structure of the motor base 5 and fixed on the motor shaft of the driving motor 70. The side wall of the guide wheel bracket 72 is fixed on a bearing on the outer end face of the motor base 5, so that the first guide wheel 73, the second guide wheel 74, the tensioning device 75 and the driven wheel 77 can integrally swing up and down around the bearing to a certain extent in the grinding process, and the welding seam of the steel rail 29 can be ground up and down. The first guide wheel 73 and the second guide wheel 74 are both rotatably connected to the guide wheel bracket 72. The tensioning device 75 is located between the upper and lower belts of the abrasive belt 78 so as to enable the abrasive belt 78 to be connected in tension to the driving pulley 71, the first guide pulley 73, the second guide pulley 74 and the driven pulley 77, in particular: one end of the tensioning device 75 is fixed on the outer end face of the guide wheel support 72, the driven wheel support 76 is fixed on the other end of the tensioning device 75, the driven wheel 77 is rotatably connected to the driven wheel support 76, and the abrasive belt 78 is tightly sleeved on the driving wheel 71, the first guide wheel 73, the second guide wheel 74 and the driven wheel 77, so that the abrasive belt forms an abrasive belt mechanism which is in an L-shaped layout and is approximately parallel to the outer side wall face of the motor base 5. The belt guard 79 is fixed to the guide wheel support 72 and covers the drive wheel 71, the first guide wheel 73, the second guide wheel 74 and the tensioning device 75.
Referring to fig. 7 and 9, in another preferred embodiment, the tensioning device 75 of the above embodiment comprises: tensioning seat 751, tensioning rod 752, groove 753, detent 754, and limit nut 755. One end of the tensioning seat 751 is fixedly connected with the guide wheel bracket 72, a groove 753 is formed in the side wall of the other end of the tensioning seat 751, a bayonet 754 is formed in the side wall of one end of the tensioning rod 752, the other end of the tensioning rod inserted into the tensioning seat 751 is matched with the groove 753, and a spring is arranged between the end of the tensioning rod and the groove and can extrude the tensioning rod 752 to tension the tensioning rod 752; a limiting nut 755 is arranged at the end part of the connecting rod of the tensioning seat 751 and used for limiting the moving range of the clamping pin 754 in the groove 753 and preventing the spring from extruding the tensioning rod 752 out of the groove 753; the driven wheel bracket 76 is fixed at the other end of the tension rod 752; the driven wheel 77 is rotatably connected to the driven wheel carrier 76 so that the driven wheel 77 and the sanding belt 78 are tensioned by means of the tensioning bar 752. The tensioning device 75 of the embodiment can tension the abrasive belt 78, and is matched with a foldable abrasive belt grinding mechanism to realize profiling grinding of welding seams at two sides of a rail web; and the assembly and the disassembly are convenient, and the maintenance is convenient.
In addition, a limiting wheel 756 is rotatably connected to the wheel shaft of the driven wheel 77, and the diameter of the limiting wheel 756 is larger than that of the driven wheel 77, so as to avoid excessive grinding of the surface of the steel rail when the driven wheel 77 swings up and down to grind the welding seam.
Referring to fig. 1 to 3, in another preferred embodiment, the rail clamping mechanism is provided on the front end frame of the frame 1 for detachably clamping a rail 29 to be ground. Specifically, the rail clamping mechanism includes: the clamping device comprises a clamping bracket 21, a lead screw bracket 22, a front end protection plate 23, a clamping claw 24, a clamping connecting rod 25, a lead screw nut 26, an adjusting lead screw 27 and a hand wheel 28. Wherein: one end of the clamping support 21 is fixedly connected to the bottom front side wall of the frame 1, and the lower end of the front end guard plate 23 is fixedly connected to the other end of the clamping support 21. One end of the screw bracket 22 is fixedly connected to the upper part of the front end guard plate 23, and the other end is fixedly connected to the front side wall of the top of the frame 1. The clamping claws 24 are arc-shaped structures and are rotatably connected to the left side and the right side of the clamping support 21. One end of the clamping connecting rod 25 is rotatably connected to the clamping jaw 24, and the other end is movably connected to the screw nut 26. The hand wheel 28 is connected to one end of the adjusting screw 27. The other end of the adjusting screw 27 passes through the screw bracket 22 and the screw nut 26 and then is connected with the clamping bracket 21 through a bearing.
The number of the clamping claws 24 and the number of the clamping connecting rods 25 are two, and the clamping claws 24 and the clamping connecting rods 25 are symmetrically distributed on the left side and the right side of the adjusting screw 27, so that the rail clamping mechanism is more stable when clamped on the steel rail 29.
In use, referring to fig. 1 or 3, when the hand wheel 28 is rotated, the adjusting screw 27 is driven to rotate, so as to drive the screw nut 26 connected with the adjusting screw to move vertically, so as to drive the clamping connecting rod 25 connected with the adjusting screw to drive the lower end of the clamping claw 24 to be clamped at the rail web of the steel rail 29, and at the moment, the abrasive belt 78 on the driven wheel 77 is positioned at the rail web of the steel rail, so that the copying grinding of the rail web welding seam is formed. In addition, the rail clamping mechanism also has a positioning function, and the lower ends of the two clamping claws 24 are respectively clamped at the rail web of the steel rail 29, so that the abrasive belt 78 can be just positioned at the rail web welding seam, thereby realizing accurate grinding, effectively improving the grinding quality and the grinding safety, and remarkably improving the grinding efficiency of the rail web welding seam of the steel rail 29.
Referring to fig. 1 to 6, in another preferred embodiment, the running gear is provided at the bottom and rear end of the frame 1 for land and rail running. Specifically, the running mechanism includes: telescopic pull rod lock 31, telescopic pull rod 32, telescopic pull rod fixing plate 33, ground wheel support 34, ground wheel 35, rail front wheel bracket 36, rail front wheel 37 and rail rear wheel 38. Wherein, the telescopic rod lock catch 31 is fixed on the top surface of the middle rear part of the frame 1. The telescopic rod 32 is fixed on a telescopic rod fixing plate 33. The telescopic pull rod fixing plate 33 is rotatably connected to the top of the rear end of the ground wheel supporting frame 34, and the middle of the telescopic pull rod fixing plate 33 is provided with a buckle which can be quickly locked with the telescopic pull rod lock catch 31, so that the telescopic pull rod 32 is stably connected with the rack, and the equipment is conveniently pushed on land. The ground wheel support 34 is fixed on the rear end frame of the frame, and a rotation limiting plate is installed at the top of the ground wheel support 34 and used for limiting the rotation range of the telescopic pull rod fixing plate 33, so that the ground wheel support is convenient to use. Ground wheel 35 with ground wheel support frame 34 passes through the bearing and rotates to be connected, and the symmetric distribution is in the left and right both sides of ground wheel support frame 34 to make equipment can be convenient walk and transport on land. The track front wheel bracket 36 is fixed at the front part of the bottom end of the frame 1. The front rail wheel 37 is mounted on the front rail wheel bracket 36, and the rear rail wheel 38 is rotatably connected to the bottom end of the ground support frame 34 through a bearing.
Referring to fig. 1 to 6 and 8, the frame 1 includes a frame, a first handle bar fixing seat 11, a second handle bar fixing seat 12, a handle bar supporting frame 13, a handle bar 14, an auxiliary supporting bar connecting seat 15, an auxiliary supporting bar fixing seat 16, a first auxiliary supporting bar 17 and a second auxiliary supporting bar 18. The first handle bar fixing seat 11 is fixed at the top of the guide wheel support 72, the second handle bar fixing seat 12 is fixed at the left side of the upper frame at the middle rear part of the rack 1, the handle bar supporting frame 13 is fixed at the left side of the front frame of the rack 1, one end of the handle bar 14 can penetrate through the through hole 112 in the middle of the first handle bar fixing seat 11 to be in threaded connection with the second handle bar fixing seat 12, and the other end of the handle bar 14 is nested on the handle bar supporting frame 13. The auxiliary support rod connecting seat 15 is fixed on the left side of the bottom end frame at the middle rear part of the frame 1, the two auxiliary support rod fixing seats 16 are symmetrically distributed on the left side and the right side of the top of the ground wheel support 34, one ends of the first auxiliary support rod 17 and the second auxiliary support rod 18 are respectively in threaded connection with the auxiliary support rod fixing seats 16, and the other ends of the first auxiliary support rod 17 and the second auxiliary support rod 18 are nested on the support frame of the front end guard plate 23.
The rear part of the first handle fixing seat 11 is provided with a threaded seat 111, the middle part is provided with a through hole 112, the front part is provided with a handle 113, the threaded seat 111 can be in threaded connection with the handle rod 14, and the handle 113 is convenient for operating the foldable belt sanding mechanism.
Rubber pads are arranged on the handle bar support frame 13 and the support frame of the front end protection plate 23.
In use, and with reference to fig. 1-3, handle lever 14 is threadably engaged with threaded socket 111 of first handle lever mounting base 11 to release the collapsible belt sander mechanism from its collapsed condition and to operate belt sanding. One end of the first auxiliary supporting rod 17 is in threaded connection with the auxiliary supporting rod connecting seat 15, the other end of the first auxiliary supporting rod is connected with one end of the second auxiliary supporting rod 18 with threads, a track wheel 39 arranged at the other end of the second auxiliary supporting rod is pressed on the top of the other steel rail and forms three-point support with two track wheels at the bottom of the rack, and therefore the equipment can be stably pushed on the track. Through pressing flexible pull rod hasp 31, remove the locking of flexible pull rod fixed plate 33 and frame 1, rotate flexible pull rod fixed plate 33, fix the position at suitable push-and-pull through the rotation limiting plate of ground wheel support frame 34, adjust the length of flexible pull rod 32, conveniently push-and-pull on the track to can arrive the position of polishing fast, the transport of using manpower sparingly.
Finally, it should be understood that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive changes in the technical solutions of the present invention.
Those not described in detail in this specification are well within the skill of the art.
Claims (10)
1. The utility model provides a dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail which characterized in that includes: the device comprises a rack, a rail clamping mechanism, a traveling mechanism and a foldable abrasive belt polishing mechanism; the rail clamping mechanism is arranged at the front end of the rack and used for detachably clamping a steel rail to be polished; the travelling mechanisms are arranged at the rear end and the bottom of the rack and are used for equipment to travel on land and on a track; the foldable abrasive belt grinding mechanism is arranged in the middle of the rack and used for grinding the welding seam of the steel rail;
foldable belt sanding mechanism includes: the device comprises a folding device, a motor base, an electric device and a belt sanding unit; one end of the folding device is fixed on the middle inner frame of the frame, the motor base is fixed at the other end of the folding device, and the abrasive belt polishing unit is arranged below the motor base; the electric device is connected with the abrasive belt polishing unit, is arranged in the rear frame of the frame and is used for supplying power and controlling the abrasive belt polishing unit;
the folding device includes: the reversing table comprises a reversing table bracket, a reversing limiting cylinder, a reversing table, a transverse moving screw rod, a large rotating arm, a small rotating arm and a transverse moving hand wheel; one end of the reversing table support is horizontally and fixedly connected to an internal frame of the rack, and the upper end of the reversing table support is provided with arc-shaped teeth; the reversing table bracket is fixedly connected with the rack through a bolt, the upper part of the reversing table is of a square structure, and the square structure comprises a front side wall, a rear side wall and a bottom plate; the lower part of the reversing table is of a cylindrical structure, and the cylindrical structure at the lower part is matched with the reversing table bracket through a deep groove ball bearing and a thrust ball bearing and is fixed on a bearing in the reversing table bracket so as to enable the reversing table to rotate relative to the rack; the reversing limiting cylinder consists of a left part and a right part, the left part and the right part are connected through three bolts positioned on two sides and the top, and the bolt positioned on the top can also be used as a handle, so that the matching of the arc-shaped teeth is conveniently controlled, and the locking of the reversing table is further controlled; the left part and the right part of the reversing limiting cylinder are connected and then are of a hollow structure, and the reversing table is positioned in the reversing limiting cylinder; the upper square structure of the reversing table is arranged in the upper space of the reversing limiting cylinder and is matched with the reversing limiting cylinder, so that the reversing table and the reversing limiting cylinder can synchronously rotate and relatively move up and down in a certain range; the lower end of the lower structure of the reversing limiting cylinder is provided with arc-shaped teeth which are matched with the arc-shaped teeth at the upper end of the reversing table bracket, so that the reversing table can be quickly locked in different directions;
one end of the transverse screw rod is connected with the transverse hand wheel, the other end of the transverse screw rod penetrates through the front side wall and the rear side wall of the reversing table in sequence and then is rotatably connected with one end of the large rotating arm, and the transverse screw rod is in threaded connection with the front side wall of the reversing table and used for controlling the transverse displacement of the abrasive belt polishing unit; the other end of the large rotating arm is rotatably connected with one end of the small rotating arm, and the other end of the small rotating arm is fixedly connected with the motor base.
2. Foldable land and rail dual-purpose steel rail weld joint belt grinding equipment as claimed in claim 1, wherein: the folding device further comprises a polishing mechanism lock catch, and the polishing mechanism lock catch is fixed on the outer wall of the large rotating arm; the motor base is provided with a buckle which can be quickly locked and unlocked with the grinding mechanism buckle for quickly fixing the foldable abrasive belt grinding mechanism.
3. Foldable land-rail dual-purpose steel rail weld belt sanding device according to claim 1, wherein the belt sanding unit comprises: the device comprises a driving motor, a driving wheel, a guide wheel bracket, a first guide wheel, a second guide wheel, a tensioning device, a driven wheel bracket, a driven wheel and an abrasive belt; the driving motor is fixed on the inner wall of the bottom structure of the motor base, and one end of the driving motor and a motor shaft extend out of the motor base from an opening of the bottom structure of the motor base; the driving wheel is positioned outside the bottom structure of the motor base and fixed on a motor shaft of the driving motor; the side wall of the guide wheel bracket is fixed on a bearing on the outer end face of the motor base, so that the first guide wheel, the second guide wheel, the tensioning device and the driven wheel can integrally swing up and down around the bearing in a certain range in the polishing process; the first guide wheel and the second guide wheel are rotatably connected to the guide wheel bracket; the tensioning device is positioned between an upper belt and a lower belt of the abrasive belt, so that the abrasive belt can be connected to the driving wheel, the first guide wheel, the second guide wheel and the driven wheel in a tensioning mode, and specifically: one end of the tension device is fixed on the outer end face of the guide wheel support, the driven wheel support is fixed on the other end of the tension device, the driven wheel is rotatably connected to the driven wheel support, and the abrasive belt is tensioned and sleeved on the driving wheel, the first guide wheel, the second guide wheel and the driven wheel, so that the abrasive belt forms an L-shaped abrasive belt mechanism.
4. Foldable land and rail dual-purpose steel rail weld joint belt grinding equipment as claimed in claim 3, wherein: the abrasive belt grinding unit further comprises an abrasive belt protective cover, the abrasive belt protective cover is fixed on the guide wheel support and covers the driving wheel, the first guide wheel, the second guide wheel and the tensioning device.
5. Foldable land-rail dual-purpose steel rail weld belt grinding equipment as claimed in claim 3, wherein the tensioning device comprises: the tensioning seat, the tensioning rod, the groove, the clamping pin and the limiting nut; one end of the tensioning seat is fixedly connected with the guide wheel support, a groove is formed in the side wall of the other end of the tensioning seat, a clamping pin is arranged on the side wall of one end of the tensioning rod, the other end of the tensioning rod is inserted into the tensioning seat and matched with the groove, and a spring is arranged between the end part of the tensioning rod and the groove and can extrude the tensioning rod to enable the tensioning rod to be tensioned; the end part of the tensioning seat is provided with a limiting nut which is used for limiting the moving range of the clamping pin in the groove and preventing the tensioning rod from being extruded out of the groove by the spring; the driven wheel bracket is fixed at the other end of the tension rod; the wheel shaft of the driven wheel is rotatably connected with a limiting wheel, and the diameter of the limiting wheel is larger than that of the driven wheel.
6. Foldable land-rail dual-purpose steel rail weld belt grinding equipment as claimed in claim 1, wherein the rail clamping mechanism comprises: the device comprises a clamping support, a screw rod support, a front end protection plate, a clamping claw, a clamping connecting rod, a screw rod nut, an adjusting screw rod and a hand wheel; one end of the clamping support is fixedly connected to the front side wall of the bottom of the rack, and the lower end of the front end protection plate is fixedly connected with the other end of the clamping support; one end of the screw rod bracket is fixedly connected to the upper part of the front end guard plate, and the other end of the screw rod bracket is fixedly connected to the front side wall of the top of the rack; the clamping claw is of an arc-shaped structure and is rotationally connected to the left side and the right side of the clamping bracket; one end of the clamping connecting rod is rotatably connected to the clamping claw, and the other end of the clamping connecting rod is movably connected to the screw nut; the hand wheel is connected with one end of the adjusting screw rod; the other end of the adjusting screw penetrates through the screw bracket and the screw nut and then is connected with the clamping bracket through a bearing; the two clamping claws and the two clamping connecting rods are symmetrically distributed on the left side and the right side of the adjusting screw rod, so that the rail clamping mechanism is more stable when clamped on a steel rail.
7. Foldable land-rail dual-purpose steel rail weld belt grinding equipment as claimed in claim 1, wherein the travelling mechanism comprises: the telescopic pull rod lock catch, the telescopic pull rod fixing plate, the ground wheel support frame, the ground wheel, the track front wheel support frame, the track front wheel and the track rear wheel; the telescopic rod lock catch is fixed on the top surface of the middle rear part of the rack; the telescopic pull rod is fixed on the telescopic pull rod fixing plate; the telescopic pull rod fixing plate is rotatably connected to the top of the rear end of the ground wheel supporting frame, and the middle part of the telescopic pull rod fixing plate is provided with a buckle which can be quickly locked with the telescopic pull rod buckle, so that the telescopic pull rod is stably connected with the rack, and the equipment can be conveniently pushed on land; the ground wheel support frame is fixed on a rear end frame of the rack, and a rotation limiting plate is installed at the top of the ground wheel support frame and used for limiting the rotation range of the telescopic pull rod fixing plate; the ground wheels are rotationally connected with the ground wheel support frame through bearings, symmetrically distributed on the left side and the right side of the ground wheel support frame and used for equipment to walk on the land; the track front wheel bracket is fixed at the front part of the bottom end of the rack; the track rear wheel is rotatably connected to the bottom end of the ground support frame through a bearing, and the track front wheel is installed on a track front wheel support.
8. Foldable land-rail dual-purpose steel rail weld belt grinding equipment as claimed in claim 1, wherein the frame comprises: the auxiliary support rod comprises a frame, a first handle rod fixing seat, a second handle rod fixing seat, a handle rod supporting frame, a handle rod, an auxiliary support rod connecting seat, an auxiliary support rod fixing seat, a first auxiliary support rod and a second auxiliary support rod; the first handle bar fixing seat is fixed at the top of the guide wheel support, the second handle bar fixing seat is fixed on the left side of the upper frame of the middle rear part of the rack, the handle bar supporting frame is fixed on the left side of the front frame of the rack, one end of the handle bar can penetrate through a through hole in the middle of the first handle bar fixing seat to be in threaded connection with the second handle bar fixing seat, and the other end of the handle bar is nested on the handle bar supporting frame; the utility model discloses a rail clamping mechanism, including the support frame, the support frame is fixed to the auxiliary stay pole connecting seat, two auxiliary stay pole fixing bases symmetric distribution are in the left and right sides at ground wheel support top, the one end of first auxiliary stay pole and second auxiliary stay pole can respectively with auxiliary stay pole fixing base threaded connection, the other end can nest on the support frame of the front end backplate of pressing from both sides rail mechanism.
9. The foldable land-rail dual-purpose steel rail weld joint abrasive belt grinding equipment as claimed in claim 8, wherein the rear part of the first hand lever fixing seat is provided with a threaded seat, the middle part is provided with a through hole, the front part is provided with a handle, the threaded seat can be in threaded connection with a handle lever, and the handle is used for operating the foldable abrasive belt grinding mechanism; the handle rod can be in threaded connection with the threaded seat of the first handle rod fixing seat;
one end of the first auxiliary supporting rod can be in threaded connection with the auxiliary supporting rod connecting seat, the other end of the first auxiliary supporting rod is connected with one end of the second auxiliary supporting rod, and the other end of the second auxiliary supporting rod is provided with a rail wheel.
10. A foldable land-rail dual-purpose steel rail welding line belt grinding device as claimed in claim 8, wherein rubber pads are arranged on the handle bar supporting frame and the front end guard plate supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211126722.2A CN115613405A (en) | 2022-09-16 | 2022-09-16 | Dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211126722.2A CN115613405A (en) | 2022-09-16 | 2022-09-16 | Dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail |
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| Publication Number | Publication Date |
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| CN115613405A true CN115613405A (en) | 2023-01-17 |
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|---|---|---|---|
| CN202211126722.2A Pending CN115613405A (en) | 2022-09-16 | 2022-09-16 | Dual-purpose shaped steel rail welding seam abrasive band equipment of polishing of folded cascade land rail |
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| US20020019205A1 (en) * | 2000-08-01 | 2002-02-14 | Societe Turripinoise De Mecanique Sa | Rail profile grinding machine |
| CN206070266U (en) * | 2016-09-07 | 2017-04-05 | 北京交通大学 | Rail corrugation belt grinder |
| CN206169830U (en) * | 2016-09-07 | 2017-05-17 | 北京交通大学 | Rechargeable rail profile modeling abrasive belt grinding machine |
| CN113857992A (en) * | 2021-11-11 | 2021-12-31 | 山东智沃轨道交通设备有限公司 | Electronic abrasive band rail web welding seam equipment of polishing |
| CN216107856U (en) * | 2021-10-21 | 2022-03-22 | 上海应用技术大学 | Portable steel rail grinding machine |
| CN114393484A (en) * | 2022-01-10 | 2022-04-26 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Small-size rail welding seam polisher |
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- 2022-09-16 CN CN202211126722.2A patent/CN115613405A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020019205A1 (en) * | 2000-08-01 | 2002-02-14 | Societe Turripinoise De Mecanique Sa | Rail profile grinding machine |
| CN206070266U (en) * | 2016-09-07 | 2017-04-05 | 北京交通大学 | Rail corrugation belt grinder |
| CN206169830U (en) * | 2016-09-07 | 2017-05-17 | 北京交通大学 | Rechargeable rail profile modeling abrasive belt grinding machine |
| CN216107856U (en) * | 2021-10-21 | 2022-03-22 | 上海应用技术大学 | Portable steel rail grinding machine |
| CN113857992A (en) * | 2021-11-11 | 2021-12-31 | 山东智沃轨道交通设备有限公司 | Electronic abrasive band rail web welding seam equipment of polishing |
| CN114393484A (en) * | 2022-01-10 | 2022-04-26 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Small-size rail welding seam polisher |
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