CN112176798A - Railway detection repair equipment - Google Patents
Railway detection repair equipment Download PDFInfo
- Publication number
- CN112176798A CN112176798A CN202011201402.XA CN202011201402A CN112176798A CN 112176798 A CN112176798 A CN 112176798A CN 202011201402 A CN202011201402 A CN 202011201402A CN 112176798 A CN112176798 A CN 112176798A
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- locking
- threaded
- rod
- cavity
- head
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Classifications
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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
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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 discloses a railway detection repairing device which comprises a moving base body, wherein a polishing working cavity with a downward opening is arranged at the lower side of the moving base body, a reciprocating threaded rod is rotatably arranged on the left wall body and the right wall body on the upper side of the polishing working cavity, the reciprocating threaded rod is provided with a threaded slide block and a second threaded slide block in a threaded connection mode, and a reciprocating motor is arranged on the right wall body of the polishing working cavity.
Description
Technical Field
The invention relates to railway detection and repair equipment, and mainly relates to the field of railway construction.
Background
Along with the development of economy, domestic railways develop rapidly, from the construction of the first railway to the present, China railways have gone through the history of one hundred and thirty years, the construction scale and the technical level of China railways are continuously improved, the mileage of China railways reaches 3.6 miles by 8 months in 2020, the first railway in the world is located, the development of railways drives the economic development, railways are blood vessels of China development, the railway line maintenance is divided into comprehensive maintenance, frequent maintenance and temporary repair, the comprehensive maintenance is based on line change rules and characteristics, the comprehensive maintenance is based on comprehensively improving the elasticity of rails, adjusting the geometric dimensions of the rails and replacing and repairing failure parts, the lines are comprehensively repaired periodically and programmatically to restore the intact technical state of the lines, the frequent maintenance is based on line change conditions, planned and key maintenance is performed within the range of year and line full length, to keep the line quality constantly in equilibrium. The traditional railway repairing and polishing device completely depends on the hand feeling and experience of operators to achieve the effect of leveling the surface of the rail, but the method consumes manpower, has low efficiency and has different treatment effects from person to person.
Disclosure of Invention
The technical problem to be solved by the invention is to provide railway detection and repair equipment, and the railway detection and repair equipment overcomes the problems.
The invention is realized by the following technical scheme.
The invention relates to railway detection and repair equipment which comprises a moving base body, wherein a polishing working cavity with a downward opening is arranged at the lower side of the moving base body, a reciprocating threaded rod is rotatably arranged on the left wall body and the right wall body on the upper side of the polishing working cavity, the reciprocating threaded rod is provided with a threaded slide block and a second threaded slide block in a threaded connection mode, the right wall body of the polishing working cavity is provided with a reciprocating motor, the shaft of the reciprocating motor is fixedly connected with the reciprocating threaded rod, variable-angle polishing devices are fixedly arranged at the lower sides of the threaded slide block and the second threaded slide block, rotating wheels are symmetrically and rotatably arranged at the lower side of the moving base body, movable cavities are symmetrically arranged at the left wall body and the right wall body of the polishing working cavity, a plane measuring device is arranged in each movable cavity, a cleaning mechanism is fixedly arranged at the right side of, the device comprises a polishing fixing body, a central body, a spherical groove, a polishing swing shaft, a motor, four hinged fixing bodies, an electric telescopic rod, a polishing connecting rod, a polishing head, a moving body, sliding blocks and a first threaded hole, wherein the lower side of the polishing fixing body is provided with an angle adjusting cavity with a downward opening, the upper side wall body of the angle adjusting cavity is fixedly provided with the central body, the central body is provided with the spherical groove with a downward opening, the spherical pair of the spherical groove is connected with the polishing swing shaft, the lower side of the polishing swing shaft is provided with the motor, the wall body of the angle adjusting cavity is fixedly provided with the four hinged fixing bodies, the hinged fixing bodies are hinged with the electric telescopic rod, the shaft of the electric telescopic rod is hinged with the lower side of the polishing swing shaft, the lower end of the polishing swing shaft is rotatably provided with the polishing connecting rod, the, the motion base body is positioned at the lower side of the movable cavity and is communicated with a measuring head cavity, the measuring head cavity wall body is provided with a sealing door in a sliding manner, a linear motor for driving the sealing door to slide left and right is arranged in the wall body, a longitudinal motor is arranged at the upper side of the moving body, a transmission cavity is arranged at the lower side of the longitudinal motor of the moving body, the transmission cavity is rotatably provided with a transmission rod, the upper side of the transmission rod is fixedly connected with a shaft of the longitudinal motor, a threaded ring is fixedly arranged at the lower end of the transmission rod, a threaded ring hole is arranged in the threaded ring and is provided with a thread, a lifting body is connected with the threaded ring in a threaded manner, a limiting block is oppositely arranged in the front of the lifting body and in the back of the lifting body, a middle cavity is communicated with the lower side of the transmission cavity, limiting grooves are arranged on the front, keep away the dead slot and slide and be equipped with the supported hole, the fixed supplementary stopper that is equipped with in supported hole front side, the fixed handle of a knife fixed body that is equipped with of body lower extreme goes up and down, the fixed body locking of handle of a knife is equipped with the gauge head, the gauge head is located in the gauge head chamber, first screw hole threaded connection is equipped with first threaded rod, motion base member rear side is equipped with the drive first threaded rod pivoted motor, it is equipped with the bracing piece to slide in the supported hole, the wall body is fixed around the activity chamber is equipped with the bracing piece.
Further, the locking device comprises locking telescopic rods rotatably arranged on the left wall body and the right wall body of the moving base body, linear rods are hinged to the shafts of the locking telescopic rods, the moving base body is positioned on the locking telescopic rods and is rotatably provided with a rotating shaft, the rotating shaft is fixedly provided with the end parts of the linear rods, a ratchet mechanism is fixedly arranged on the rotating shaft, a floating locking device is fixedly arranged at the lower ends of the linear rods,
furthermore, the floating locking device comprises a locking head fixed at the lower end of the linear rod, the locking head is rotatably provided with a locking transverse plate, one side of the locking transverse plate is fixedly provided with a locking plate, one side of the locking plate is fixedly provided with a contact head, one side of the contact head is fixedly provided with an anti-slip pad, the locking head is symmetrically and fixedly provided with a fixing plate up and down, and a floating spring is arranged between the fixing plate and the locking plate.
Further, ratchet mechanism includes the fixed ratchet that is equipped with of pivot, the motion base member is located the fixed telescopic link that breaks away from that is equipped with of ratchet upside, the slider that breaks away from the telescopic link is fixed to be equipped with and breaks away from the slider, it is equipped with the pawl to break away from the slider rotation, the pawl with break away from and be equipped with the torsional spring between the slider, the pawl with the ratchet cooperation.
Further, clean the mechanism and include the power installation body, the internal motor that cleans that is equipped with of power installation, the fixed pivot that cleans that is equipped with of axle that cleans the motor, clean the fixed head that has of pivot lower extreme, clean the fixed brush that is equipped with of fixed head downside.
The invention has the beneficial effects that: the use device can automatically polish the position needing polishing, the device can measure the front and back plane information of the rail before polishing, determine the plane of the rail according to the measuring head information, and adjust the angle of the grinding head according to the normal vector of the plane, so that the ground plane of the grinding head is close to the original working plane.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic structural view of the variable angle grinding device in fig. 1.
Fig. 3 is an enlarged schematic view of the plane measuring apparatus of fig. 1.
Fig. 4 is an enlarged left side view of the locking device of fig. 1.
Fig. 5 is an enlarged schematic view of the cleaning mechanism in fig. 1.
Fig. 6 is an enlarged schematic view of the floating lock device of fig. 4.
Fig. 7 is an enlarged schematic view of the ratchet mechanism of fig. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The railway detection and repair equipment comprises a moving base body 10, wherein a polishing working cavity 12 with a downward opening is arranged at the lower side of the moving base body 10, a reciprocating threaded rod 14 is arranged on the left side and the right side of the upper side of the polishing working cavity 12 in a rotating mode, a threaded slider 15 and a second threaded slider 16 are arranged on the reciprocating threaded rod 14 in a threaded connection mode, a reciprocating motor 13 is arranged on the right side wall of the polishing working cavity 12, a shaft of the reciprocating motor 13 is fixedly connected with the reciprocating threaded rod 14, variable-angle polishing devices 60 are fixedly arranged on the lower sides of the threaded slider 15 and the second threaded slider 16, rotating wheels 11 are arranged on the lower side and the left side of the moving base body 10 in a rotating mode, moving cavities 26 are symmetrically arranged on the left side and the right side of the polishing working cavity 12, a plane measuring device 61 is arranged in each moving cavity 26, and, the variable-angle polishing device 60 comprises a polishing fixing body 17, wherein an angle adjusting cavity 73 with a downward opening is formed in the lower side of the polishing fixing body 17, a central body 18 is fixedly arranged on the upper side wall body of the angle adjusting cavity 73, a spherical groove 19 with a downward opening is formed in the central body 18, a polishing swing shaft 20 is connected to the spherical pair of the spherical groove 19, a motor is arranged on the lower side of the polishing swing shaft 20, four hinged fixing bodies 21 are fixedly arranged on the wall body of the angle adjusting cavity 73, an electric telescopic rod 22 is hinged to the hinged fixing bodies 21, a shaft of the electric telescopic rod 22 is hinged to the lower side of the polishing swing shaft 20, a polishing connecting rod 25 is rotatably arranged at the lower end of the polishing swing shaft 20, a polishing head 23 is fixedly arranged at the lower end of the polishing connecting rod 25, and a shaft of the motor in a first threaded hole 29 is fixedly connected with the polishing connecting rod 25, the plane measuring device 61 comprises a moving body 27 arranged in a front-back sliding manner in the movable cavity 26, sliding blocks 74 are fixedly arranged on the moving body 27 in a bilateral symmetry manner, a first threaded hole 29 is formed in the middle of each sliding block 74, the moving base 10 is positioned at the lower side of the movable cavity 26 and communicated with a measuring head cavity 75, a wall body of the measuring head cavity 75 is provided with a sealing door 41 in a sliding manner, a linear motor for driving the sealing door 41 to slide left and right is arranged in the wall body, a longitudinal motor 28 is arranged on the upper side of the moving body 27, a transmission cavity 76 is arranged on the lower side of the longitudinal motor 28 in the moving body 27, a transmission rod 32 is rotatably arranged in the transmission cavity 76, the upper side of the transmission rod 32 is fixedly connected with a shaft of the longitudinal motor 28, a threaded ring 33 is fixedly arranged at the lower end of the transmission rod 32, a threaded ring hole 34 is formed in the threaded ring, the front and the back of the lifting body 35 are provided with a limit block 36, the lower side of the transmission cavity 76 is communicated with a middle cavity 77, the middle cavity 77 and the front and rear wall bodies of the transmission cavity 76 are provided with limit grooves 37, the limit blocks 36 are arranged in the limit grooves 37 in a sliding manner, a front and back through clearance groove 38 is arranged in the middle of the lifting body 35, the clearance groove 38 is provided with a support hole 40 in a sliding manner, an auxiliary limiting block 39 is fixedly arranged at the front side of the supporting hole 40, a knife handle fixing body 31 is fixedly arranged at the lower end of the lifting body 35, the measuring head 30 is locked on the shank fixing body 31, the measuring head 30 is positioned in the measuring head cavity 75, the first threaded hole 29 is provided with a first threaded rod 78 in threaded connection, the rear side of the moving base body 10 is provided with a motor for driving the first threaded rod 78 to rotate, a support rod 79 is arranged in the support hole 40 in a sliding mode, and the support rod 79 is fixedly arranged on the front wall body and the rear wall body of the movable cavity 26.
Advantageously, the locking device 62 comprises a locking telescopic rod 44 rotatably arranged on the left and right walls of the moving base 10, a linear rod 42 is hinged on the axis of the locking telescopic rod 44, a rotating shaft 43 is rotatably arranged on the locking telescopic rod 44 of the moving base 10, the end of the linear rod 42 is fixedly arranged on the rotating shaft 43, a ratchet mechanism 64 is fixedly arranged on the rotating shaft 43, a floating locking device 45 is fixedly arranged at the lower end of the linear rod 42,
advantageously, the floating locking device 45 includes a locking head 51 fixed at the lower end of the linear rod 42, the locking head 51 is rotatably provided with a locking transverse plate 55, a locking plate 54 is fixedly provided at one side of the locking transverse plate 55, a contact 57 is fixedly provided at one side of the locking plate 54, a non-slip pad 56 is fixedly provided at one side of the contact 57, the locking head 51 is vertically and symmetrically fixedly provided with a fixing plate 52, and a floating spring 53 is provided between the fixing plate 52 and the locking plate 54.
Advantageously, the ratchet mechanism 64 includes a ratchet wheel 58 fixedly provided on the rotating shaft 43, a disengaging telescopic rod 59 is fixedly provided on the upper side of the ratchet wheel 58 of the moving base 10, a disengaging slider 71 is fixedly provided on a slider of the disengaging telescopic rod 59, a pawl 72 is rotatably provided on the disengaging slider 71, a torsion spring is provided between the pawl 72 and the disengaging slider 71, and the pawl 72 is engaged with the ratchet wheel 58.
Beneficially, the cleaning mechanism 63 includes a power mounting body 46, a cleaning motor 47 is disposed in the power mounting body 46, a cleaning rotating shaft 48 is fixedly disposed on a shaft of the cleaning motor 47, a cleaning fixing head 49 is fixed at a lower end of the cleaning rotating shaft 48, and a brush 50 is fixedly disposed at a lower side of the cleaning fixing head 49.
Sequence of mechanical actions of the whole device: the device is placed on the upper side of a part, needing to be ground, of a rail, the rotating wheel 11 is pushed to roll on the rail and is adjusted to a proper position, the cleaning motor 47 is started, the rail cleaning rotating shaft 48 of the cleaning motor 47 drives the cleaning fixing head 49 and the brush 50 to rotate, impurities on the surface of the rail are removed, and preparation work is carried out for the next operation;
the locking telescopic rod 44 retracts, the locking telescopic rod 44 drives the linear rod 42 to rotate around the rotating shaft 43 until the anti-skid pad 56 on the floating locking device 45 is contacted with the side wall of the rail and is pressed tightly, in the locking process, the locking plate 54 can rotate for a certain angle to adapt to irregular protruding foreign matters and the like on the side wall of the rail, the locking telescopic rod 44 stops, and under the action of the ratchet mechanism 64, the linear rod 42 can avoid rebounding, so that the position of the device can be locked in a floating mode;
the plane measuring devices 61 on the left side and the right side of the polishing working cavity 12 start to work to measure the normal vector of the rail surface, the motor on the rear side of the movable cavity 26 drives the first threaded rod 78 to rotate, the first threaded rod 78 drives the moving body 27 to move back and forth through the sliding block 74, the longitudinal motor 28 drives the lifting body 35 to move up and down through the transmission cavity 76 and the threaded ring 33, the lifting body 35 drives the measuring head 30 to move back and forth or up and down, so that the measuring head 30 is controlled to sequentially perform point test on the upper surface of the rail from front to back, a plane is fitted through a plurality of measuring points, and the normal vector;
according to the measuring result of the plane measuring device 61, the four electric telescopic rods 22 adjust the telescopic amount, the electric telescopic rods 22 control the normal vector of the lower end face of the polishing head 23 to be consistent with the measured normal vector of the plane, the motor in the polishing oscillating shaft 20 controls the polishing head 23 to rotate through the polishing connecting rod 25, the reciprocating motor 13 drives the variable-angle polishing device 60 to move left and right through the threaded slide block 15 and the second threaded slide block 16, and the purpose of accurately polishing the surface of the rail is achieved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The railway detection and repair equipment comprises a moving base body and is characterized in that: the lower side of the moving base body is provided with a polishing working cavity with a downward opening, the left and right wall bodies on the upper side of the polishing working cavity are rotatably provided with a reciprocating threaded rod, the reciprocating threaded rod is in threaded connection with a threaded slide block and a second threaded slide block, the right wall body of the polishing working cavity is provided with a reciprocating motor, the shaft of the reciprocating motor is fixedly connected with the reciprocating threaded rod, the threaded slide block and the lower side of the second threaded slide block are fixedly provided with variable-angle polishing devices, the lower side of the moving base body is symmetrically and rotatably provided with rotating wheels, the left and right wall bodies of the polishing working cavity are symmetrically provided with movable cavities, a plane measuring device is arranged in the movable cavities, the right side of the moving base body is fixedly provided with a cleaning mechanism, the left and right sides of the moving base body are provided with two locking devices, each variable-, the device comprises an angle adjusting cavity, a central body is fixedly arranged on the upper side wall body of the angle adjusting cavity, the central body is provided with a spherical groove with a downward opening, a grinding swing shaft is connected with a spherical pair of the spherical groove, a motor is arranged on the lower side of the grinding swing shaft, four hinged fixing bodies are fixedly arranged on the wall body of the angle adjusting cavity, an electric telescopic rod is hinged to the hinged fixing bodies, the shaft of the electric telescopic rod is hinged to the lower side of the grinding swing shaft, a grinding connecting rod is rotatably arranged at the lower end of the grinding swing shaft, a grinding head is fixedly arranged at the lower end of the grinding connecting rod, the shaft of the motor in a first threaded hole is fixedly connected with the grinding connecting rod, a plane measuring device comprises a moving body which is arranged in a front-back sliding mode in the movable cavity, sliding blocks are fixedly arranged in a left-right symmetrical mode in, the measuring head cavity wall body is provided with a sealing door in a sliding manner, a linear motor for driving the sealing door to slide left and right is arranged in the wall body, a longitudinal motor is arranged on the upper side of the moving body, a transmission cavity is arranged on the lower side of the longitudinal motor on the moving body, a transmission rod is arranged in the transmission cavity in a rotating manner, the upper side of the transmission rod is fixedly connected with a shaft of the longitudinal motor, a threaded ring is fixedly arranged at the lower end of the transmission rod, a threaded ring hole is formed in the threaded ring, threads are arranged in the threaded ring hole, a lifting body is connected with the threaded ring in a threaded manner, limiting blocks are oppositely arranged in the front and at the back of the lifting body, a middle cavity is communicated with the lower side of the transmission cavity, limiting grooves are formed in the front and at the back of the transmission cavity, the limiting blocks are arranged in the limiting, the fixed supplementary stopper that is equipped with in supported hole front side, the fixed handle of a knife fixed body that is equipped with of body lower extreme goes up and down, the fixed body locking of handle of a knife is equipped with the gauge head, the gauge head is located in the gauge head chamber, first screw hole threaded connection is equipped with first threaded rod, motion base member rear side is equipped with the drive first threaded rod pivoted motor, it is equipped with the bracing piece to slide in the supported hole, the wall body is fixed around the activity chamber is equipped with the bracing piece.
2. The railway inspection and repair apparatus of claim 1, wherein: the locking device comprises locking telescopic rods, wherein the locking telescopic rods are rotatably arranged on left and right wall bodies of the moving base body, a linear rod is hinged to a shaft of each locking telescopic rod, the moving base body is located on each locking telescopic rod, a rotating shaft is rotatably arranged on each locking telescopic rod, the end portion of each linear rod is fixedly arranged on each rotating shaft, a ratchet mechanism is fixedly arranged on each rotating shaft, and a floating locking device is fixedly arranged at the lower end of each linear rod.
3. The railway inspection and repair apparatus of claim 2, wherein: the floating locking device comprises a locking head fixed at the lower end of the linear rod, the locking head is rotatably provided with a locking transverse plate, one side of the locking transverse plate is fixedly provided with a locking plate, one side of the locking plate is fixedly provided with a contact head, one side of the contact head is fixedly provided with an anti-slip pad, the locking head is symmetrically and fixedly provided with fixing plates up and down, and a floating spring is arranged between the fixing plates and the locking plate.
4. The railway inspection and repair apparatus of claim 2, wherein: the ratchet mechanism comprises a ratchet wheel fixedly arranged on the rotating shaft, the moving base body is located on the upper side of the ratchet wheel and fixedly provided with a separation telescopic rod, a separation sliding block is fixedly arranged on the sliding block of the separation telescopic rod and rotatably provided with a pawl, a torsion spring is arranged between the pawl and the separation sliding block, and the pawl is matched with the ratchet wheel.
5. The railway inspection and repair apparatus of claim 1, wherein: clean the mechanism and include the power installation body, the internal motor that cleans that is equipped with of power installation, the fixed pivot that cleans that is equipped with of axle of cleaning the motor, it has the fixed head of cleaning to clean pivot lower extreme, clean the fixed brush that is equipped with of fixed head downside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011201402.XA CN112176798A (en) | 2020-11-02 | 2020-11-02 | Railway detection repair equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011201402.XA CN112176798A (en) | 2020-11-02 | 2020-11-02 | Railway detection repair equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112176798A true CN112176798A (en) | 2021-01-05 |
Family
ID=73916293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011201402.XA Withdrawn CN112176798A (en) | 2020-11-02 | 2020-11-02 | Railway detection repair equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112176798A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0397215A1 (en) * | 1987-08-31 | 1990-11-14 | Loram Maintenance Of Way, Inc. | Rail grinding machine |
| CN104153262A (en) * | 2014-07-10 | 2014-11-19 | 上海工程技术大学 | Portable device for accurately repairing wavy abrasion of steel rail of subway curve |
| CN104179100A (en) * | 2014-07-22 | 2014-12-03 | 上海工程技术大学 | Equipment for automatically and accurately repairing wavy abrasions to subway corner rail |
| CN104674617A (en) * | 2015-02-27 | 2015-06-03 | 同济大学 | Light-weight and convenient type steel rail corrugation grinding machine |
| CN104674618A (en) * | 2015-03-11 | 2015-06-03 | 戚恒 | Rail web deruster |
| CN204662186U (en) * | 2015-04-24 | 2015-09-23 | 西南交通大学 | A kind of high-speed railway switch grinding apparatus |
| CN108625238A (en) * | 2018-06-29 | 2018-10-09 | 西安翔迅科技有限责任公司 | A kind of rail grinding machine |
| CN109208415A (en) * | 2018-08-22 | 2019-01-15 | 西安翔迅科技有限责任公司 | A kind of rail automatically grinding vehicle and working method |
| CN210526532U (en) * | 2019-07-21 | 2020-05-15 | 五邑大学 | Maintenance structure for rail transit |
-
2020
- 2020-11-02 CN CN202011201402.XA patent/CN112176798A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0397215A1 (en) * | 1987-08-31 | 1990-11-14 | Loram Maintenance Of Way, Inc. | Rail grinding machine |
| CN104153262A (en) * | 2014-07-10 | 2014-11-19 | 上海工程技术大学 | Portable device for accurately repairing wavy abrasion of steel rail of subway curve |
| CN104179100A (en) * | 2014-07-22 | 2014-12-03 | 上海工程技术大学 | Equipment for automatically and accurately repairing wavy abrasions to subway corner rail |
| CN104674617A (en) * | 2015-02-27 | 2015-06-03 | 同济大学 | Light-weight and convenient type steel rail corrugation grinding machine |
| CN104674618A (en) * | 2015-03-11 | 2015-06-03 | 戚恒 | Rail web deruster |
| CN204662186U (en) * | 2015-04-24 | 2015-09-23 | 西南交通大学 | A kind of high-speed railway switch grinding apparatus |
| CN108625238A (en) * | 2018-06-29 | 2018-10-09 | 西安翔迅科技有限责任公司 | A kind of rail grinding machine |
| CN109208415A (en) * | 2018-08-22 | 2019-01-15 | 西安翔迅科技有限责任公司 | A kind of rail automatically grinding vehicle and working method |
| CN210526532U (en) * | 2019-07-21 | 2020-05-15 | 五邑大学 | Maintenance structure for rail transit |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210105 |