CN111996848A - A milling cutter is restoreed on line to rail for railway trade - Google Patents
A milling cutter is restoreed on line to rail for railway trade Download PDFInfo
- Publication number
- CN111996848A CN111996848A CN201910443841.2A CN201910443841A CN111996848A CN 111996848 A CN111996848 A CN 111996848A CN 201910443841 A CN201910443841 A CN 201910443841A CN 111996848 A CN111996848 A CN 111996848A
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- cutter
- blades
- head body
- cutter head
- milling cutter
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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
- E01B31/13—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by milling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to the technical field of railway industry, in particular to a rail online repair milling cutter for the railway industry, which comprises a cutter head body, wherein a plurality of cutter holders are arranged on the outer surface of the cutter head body, a plurality of grooves corresponding to the positions of the cutter holders are formed in the side surface of the cutter head body, cutter holder locking bolts are arranged in the grooves, one ends of the cutter holder locking bolts penetrate through the inner wall of the grooves and extend into the cutter holders, a plurality of blades are arranged on the cutter holders, and the blades and the cutter holders are connected through blade clamping screws. The cutter changes the outline shape of the grinding wheel into the outline shape formed by arranging the blades, the blades can be replaced after the blades become blunt or tipping, the cutter body can be repeatedly used without being wasted, the use cost of the cutter is greatly reduced, the resources are saved, and the environmental pollution is reduced; the cutter body is provided with more blades, more metal can be removed in unit time, and the efficiency is improved.
Description
Technical Field
The invention relates to the technical field of railway industry, in particular to a milling cutter for online repairing of a rail in the railway industry.
Background
The rail transit is a life line of national economy of China and a backbone network of traffic transportation, not only undertakes most national strategies and transportation of economic materials, but also undertakes the function of passenger transportation, and plays a great role in promoting resource transportation of China, strengthening communication of economic areas, solving the problem of urban traffic congestion and the like. With the formation and development of the rail transit network in China, the rail transit industry gradually enters the heavy stage of construction and operation maintenance at present, how to scientifically maintain such a huge operation line, and ensure that infrastructure is stable and reliable, so that the rail transit can be safely used for a long time, which is a problem that needs to be faced and solved in the rail transit development at present.
Aiming at typical rail diseases such as rail head abrasion, wave abrasion, scratch, fat edge, stripping and chipping, fish scale crack and the like, the prior grinding method of the grinding wheel is adopted at present in China, and the method has the advantages of very low carriage speed, low efficiency, poor working environment and great environmental pollution. The developed countries adopt a mode of firstly carrying out semi-finish milling and then carrying out polishing, the mode has wide running speed of a milling and grinding vehicle, the running speed can reach 3km/h, the efficiency is high, the mode belongs to a high-efficiency clean type repairing mode, a cutter used in the repairing mode is mature abroad at present, the core technology is mastered in foreign companies, the price is high, the Baisi drawing tool manufacturing limited company develops the rail online repairing milling cutter by giving the background and years of experience, and the precision and the quality of products of the foreign companies are achieved.
At present, the defects of the rail are maintained by using a grinding wheel direct grinding mode in China, and the grinding mode has determined that the rail cannot be efficiently repaired; the method can not completely repair the rail stripping defect and the fat edge grinding mode.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an on-line repairing milling cutter for a rail in the railway industry.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a design a milling cutter is restoreed on line to rail for railway industry, includes the cutter head body, along the surface of cutter head body is equipped with a plurality of tool holders, a plurality of recesses that correspond with the tool holder position are seted up to the side of cutter head body, and is a plurality of the inside of recess is equipped with tool holder locking bolt, the one end of tool holder locking bolt runs through the inner wall of recess and extends to the inside of tool holder, be equipped with a plurality of blades on the tool holder, all press from both sides tight screwed connection through the blade between a plurality of blades and a plurality of tool holder.
Preferably, at least twenty tool holders are arranged, twenty tool holders are arranged at equal angles, and the tangential positioning surfaces of the tool holders are in a ratchet shape.
Preferably, at least sixteen inserts are arranged on each tool holder, and sixteen inserts are arranged in a spiral mode.
Preferably, the grooves are at least forty grooves and forty grooves which are arranged at equal angles.
Preferably, the center of the side surface of the cutter head body is provided with coaxially arranged center positioning cones.
Preferably, the side surface of the cutter head body is provided with a plurality of through holes, and at least twelve through holes are arranged at equal angles.
Preferably, the side surface of the cutter head body is provided with a plurality of chip grooves corresponding to the positions of the cutter holders.
The invention provides a rail on-line repairing milling cutter for the railway industry, which has the beneficial effects that: the cutter changes the outline shape of the grinding wheel into the outline shape formed by arranging the blades, the blades can be replaced after the blades become blunt or tipping, the cutter body can be repeatedly used without being wasted, the use cost of the cutter is greatly reduced, the resources are saved, and the environmental pollution is reduced; the cutter body is provided with more blades, more metal can be removed in unit time, and the efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a milling cutter for on-line repairing of a rail in the railway industry according to the present invention;
fig. 2 is a schematic view of a connection structure of a blade and a cutter head body of the milling cutter for on-line repairing of a rail in the railway industry.
In the figure: the cutting tool comprises an insert clamping screw 1, an insert 2, a chip groove 3, a tool holder 4, a tool holder locking bolt 5, a tool disc body 6, a central positioning cone 7, a groove 8 and a through hole 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-2, an on-line repairing milling cutter for railway comprises a cutter head body 6, a plurality of cutter holders 4 are arranged along the outer surface of the cutter head body 6, a central positioning cone 7 which is coaxially arranged is arranged at the center of the side surface of the cutter head body 6, when the milling cutter is fixed, the central positioning cone 7 facilitates the installation of the milling cutter, and simultaneously plays a role in limiting the milling cutter, a plurality of through holes 9 are arranged on the side surface of the cutter head body 6, at least twelve through holes 9 are arranged at equal angles, the through holes 9 are used for facilitating the penetration of screws, and this screw and the equipment's of installation milling cutter are connected, have improved the fixed stability of milling cutter, and a plurality of chip grooves 3 that correspond with 4 positions of cutter holder are seted up to the side of cutter head body 6, and the setting of chip groove 3 avoids splashing of iron fillings when the surface of rail is restoreed to milling cutter, the discharge of the iron fillings of being convenient for.
A plurality of recesses 8 that correspond with cutter holder 4 position are seted up to the side of cutter head body 6, the inside of a plurality of recesses 8 is equipped with cutter holder locking bolt 5, the one end of cutter holder locking bolt 5 runs through the inner wall of recess 8 and extends to the inside of cutter holder 4, recess 8 is equipped with forty at least, angular spread such as forty recesses 8, the setting of a plurality of recesses 8, be convenient for placing of a plurality of cutter holder locking bolts 5, thereby improve the stability of being connected between cutter head body 6 and the cutter holder 4, cutter holder locking bolt 5's setting, cutter holder locking bolt 5 respectively with through threaded connection between cutter holder 4 and the cutter head body 6, improve the stability of being connected between cutter holder 4 and the cutter head body 6, simultaneously through rotating cutter holder locking bolt 5, cutter holder locking bolt 5 shifts out from cutter head body 6, also make things convenient for cutter holder 4 to take out from cutter head body.
Be equipped with a plurality of blades 2 on the cutter holder 4, all connect through blade clamping screw 1 between a plurality of blades 2 and a plurality of cutter holder 4, cutter holder 4 is equipped with twenty at least, the angular alignment such as twenty cutter holder 4, the tangential location of cutter holder 4 personally submits the ratchet form, blade 2 on every cutter holder 4 is equipped with sixteen at least, sixteen blade 2 are the spiral and arrange, a plurality of cutter holder 4's setting, be convenient for a plurality of blades 2's setting, be convenient for polish the restoration to the rail, blade clamping screw 1 respectively with blade 2 through threaded connection between the cutter holder 4, improve the stability of blade 2 installation on cutter holder 4.
According to the cutter, the outer contour shape of the grinding wheel is changed into the outer contour shape formed by arranging the blades 2, after the blades 2 become blunt or broken, the damaged blades 2 can be replaced after the blade clamping screws 1 are separated from the blades 2 by rotating the blade clamping screws 1, and the cutter body can be reused without being wasted, so that the use cost of the cutter is greatly reduced, resources are saved, and environmental pollution is reduced; the cutter body is provided with more blades 2, more metal can be removed in unit time, and the efficiency is improved.
Example two
Referring to fig. 1-2, a milling cutter is restoreed on line to rail for railway trade, including cutter head 6, be equipped with a plurality of tool holders 4 along the surface of cutter head 6, a plurality of chip grooves 3 that correspond with tool holder 4 position are seted up to cutter head 6's side, the setting of a plurality of chip grooves 3, the internal surface of a plurality of chip grooves 3 all is circular-arc, when iron fillings splash to the inside of chip groove 3, the orbit that iron fillings splash has been changed, therefore, chip groove 3 is convenient for avoid splashing of iron fillings when milling cutter restores the surface of rail, has made things convenient for the discharge of iron fillings, thereby and staff plays the effect of protection on every side.
The center positioning awl 7 of coaxial arrangement has been seted up to the side center department of cutter head body 6, when milling cutter is fixed, the center positioning awl 7 has made things convenient for milling cutter's installation, played spacing effect to milling cutter simultaneously, a plurality of through-holes 9 have been seted up to the side of cutter head body 6, through-hole 9 is equipped with twelve at least, the equal angular arrangement of twelve through-holes 9, through-hole 9 is used for making things convenient for the interlude of screw, and the stability that milling cutter was fixed has been improved to this screw and the equipment's of installation milling cutter connection.
A plurality of recesses 8 that correspond with cutter holder 4 position are seted up to the side of cutter head body 6, the inside of a plurality of recesses 8 is equipped with cutter holder locking bolt 5, the one end of cutter holder locking bolt 5 runs through the inner wall of recess 8 and extends to the inside of cutter holder 4, recess 8 is equipped with forty at least, angular spread such as forty recesses 8, the setting of a plurality of recesses 8, be convenient for placing of a plurality of cutter holder locking bolts 5, thereby improve the stability of being connected between cutter head body 6 and the cutter holder 4, cutter holder locking bolt 5's setting, cutter holder locking bolt 5 respectively with through threaded connection between cutter holder 4 and the cutter head body 6, improve the stability of being connected between cutter holder 4 and the cutter head body 6, simultaneously through rotating cutter holder locking bolt 5, cutter holder locking bolt 5 shifts out from cutter head body 6, also make things convenient for cutter holder 4 to take out from cutter head body.
Be equipped with a plurality of blades 2 on the cutter holder 4, all connect through blade clamping screw 1 between a plurality of blades 2 and a plurality of cutter holder 4, cutter holder 4 is equipped with twenty at least, the angular alignment such as twenty cutter holder 4, the tangential location of cutter holder 4 personally submits the ratchet form, blade 2 on every cutter holder 4 is equipped with sixteen at least, sixteen blade 2 are the spiral and arrange, a plurality of cutter holder 4's setting, be convenient for a plurality of blades 2's setting, be convenient for polish the restoration to the rail, blade clamping screw 1 respectively with blade 2 through threaded connection between the cutter holder 4, improve the stability of blade 2 installation on cutter holder 4.
According to the cutter, the outer contour shape of the grinding wheel is changed into the outer contour shape formed by arranging the blades 2, after the blades 2 become blunt or broken, the damaged blades 2 can be replaced after the blade clamping screws 1 are separated from the blades 2 by rotating the blade clamping screws 1, and the cutter body can be reused without being wasted, so that the use cost of the cutter is greatly reduced, resources are saved, and environmental pollution is reduced; the cutter body is provided with more blades 2, more metal can be removed in unit time, and the efficiency is improved.
EXAMPLE III
Referring to fig. 1-2, a milling cutter is repaired on line to rail for railway industry, including cutter head 6, cutter head 6's side center department sets up the central positioning awl 7 of coaxial arrangement, when milling cutter is fixed, cup joint central positioning awl 7 on the stand that is used for the installation, and clearance fit between the internal surface of central positioning awl 7 and the stand that is used for the installation, improved the stability of being used for the stand and the connection of central positioning awl 7 of installation, consequently, central positioning awl 7 has made things convenient for milling cutter's installation, has played spacing effect to milling cutter simultaneously, has increased the stability of being connected between milling cutter and the stand.
Be equipped with a plurality of tool holders 4 along the surface of cutter head 6, a plurality of through-hole 9 have been seted up to the side of cutter head 6, and through-hole 9 is equipped with twelve at least, and twelve through-hole 9 wait angular arrangement, and through-hole 9 is used for making things convenient for the interlude of screw, and the stability that milling cutter was fixed has been improved to this screw and the equipment's of installation milling cutter connection.
A plurality of chip grooves 3 corresponding to the positions of the tool holders 4 are formed in the side face of the cutter head body 6, and due to the arrangement of the chip grooves 3, metal iron chips are prevented from splashing when the milling cutter repairs the surface of a rail, so that the iron chips can be discharged conveniently.
A plurality of recesses 8 that correspond with cutter holder 4 position are seted up to the side of cutter head body 6, the inside of a plurality of recesses 8 is equipped with cutter holder locking bolt 5, the one end of cutter holder locking bolt 5 runs through the inner wall of recess 8 and extends to the inside of cutter holder 4, recess 8 is equipped with forty at least, angular spread such as forty recesses 8, the setting of a plurality of recesses 8, be convenient for placing of a plurality of cutter holder locking bolts 5, thereby improve the stability of being connected between cutter head body 6 and the cutter holder 4, cutter holder locking bolt 5's setting, cutter holder locking bolt 5 respectively with through threaded connection between cutter holder 4 and the cutter head body 6, improve the stability of being connected between cutter holder 4 and the cutter head body 6, simultaneously through rotating cutter holder locking bolt 5, cutter holder locking bolt 5 shifts out from cutter head body 6, also make things convenient for cutter holder 4 to take out from cutter head body.
Be equipped with a plurality of blades 2 on the cutter holder 4, all connect through blade clamping screw 1 between a plurality of blades 2 and a plurality of cutter holder 4, cutter holder 4 is equipped with twenty at least, the angular alignment such as twenty cutter holder 4, the tangential location of cutter holder 4 personally submits the ratchet form, blade 2 on every cutter holder 4 is equipped with sixteen at least, sixteen blade 2 are the spiral and arrange, a plurality of cutter holder 4's setting, be convenient for a plurality of blades 2's setting, be convenient for polish the restoration to the rail, blade clamping screw 1 respectively with blade 2 through threaded connection between the cutter holder 4, improve the stability of blade 2 installation on cutter holder 4.
According to the cutter, the outer contour shape of the grinding wheel is changed into the outer contour shape formed by arranging the blades 2, after the blades 2 become blunt or broken, the damaged blades 2 can be replaced after the blade clamping screws 1 are separated from the blades 2 by rotating the blade clamping screws 1, and the cutter body can be reused without being wasted, so that the use cost of the cutter is greatly reduced, resources are saved, and environmental pollution is reduced; the cutter body is provided with more blades 2, more metal can be removed in unit time, and the efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a rail restores milling cutter on line for railway industry, includes cutter head body (6), its characterized in that, along the surface of cutter head body (6) is equipped with a plurality of tool holders (4), recess (8) that a plurality of and tool holder (4) position correspond are seted up to the side of cutter head body (6), and are a plurality of the inside of recess (8) is equipped with cutter holder locking bolt (5), the one end of cutter holder locking bolt (5) runs through the inner wall of recess (8) and extends to the inside of tool holder (4), be equipped with a plurality of blades (2) on cutter holder (4), all connect through blade clamping screw (1) between a plurality of blades (2) and a plurality of tool holder (4).
2. The milling cutter for on-line repairing of railway rails as claimed in claim 1, wherein said tool holders (4) are arranged at an equal angle of at least twenty, twenty tool holders (4), and the tangential positioning surfaces of said tool holders (4) are ratchet-shaped.
3. An on-line rail repair milling cutter for the railway industry according to claim 1, wherein at least sixteen inserts (2) are provided on each of the tool holders (4), and sixteen inserts (2) are arranged in a spiral.
4. An on-line rail repair milling cutter for the railway industry according to claim 1, characterized in that the grooves (8) are provided with at least forty to forty grooves (8) arranged at equal angles.
5. The milling cutter for on-line rail repair in the railway industry according to claim 1, wherein the cutter head body (6) is provided with a coaxially arranged center positioning cone (7) at the center of the side surface.
6. The milling cutter for on-line repairing of railway rails as claimed in claim 1, wherein the cutter head body (6) is provided with a plurality of through holes (9) on the side surface, and at least twelve through holes (9) are arranged at equal angles in the through holes (9).
7. The milling cutter for on-line repairing of railway rails as claimed in claim 1, wherein the side surface of the cutter head body (6) is provided with a plurality of chip grooves (3) corresponding to the positions of the cutter holders (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310078434.2A CN116103966A (en) | 2019-05-27 | 2019-05-27 | Rail online repairing milling cutter for railway industry |
| CN201910443841.2A CN111996848A (en) | 2019-05-27 | 2019-05-27 | A milling cutter is restoreed on line to rail for railway trade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443841.2A CN111996848A (en) | 2019-05-27 | 2019-05-27 | A milling cutter is restoreed on line to rail for railway trade |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310078434.2A Division CN116103966A (en) | 2019-05-27 | 2019-05-27 | Rail online repairing milling cutter for railway industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111996848A true CN111996848A (en) | 2020-11-27 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910443841.2A Pending CN111996848A (en) | 2019-05-27 | 2019-05-27 | A milling cutter is restoreed on line to rail for railway trade |
| CN202310078434.2A Pending CN116103966A (en) | 2019-05-27 | 2019-05-27 | Rail online repairing milling cutter for railway industry |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310078434.2A Pending CN116103966A (en) | 2019-05-27 | 2019-05-27 | Rail online repairing milling cutter for railway industry |
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| CN (2) | CN111996848A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1422804A (en) * | 1972-04-07 | 1976-01-28 | Elektro Thermit Gmbh | Apparatus for reprofiling the head of a flat bottom rail |
| SU1479210A1 (en) * | 1987-07-30 | 1989-05-15 | Усольское производственное объединение "Химпром" | Stepped-diameter face-milling cutter |
| RU2010124551A (en) * | 2010-06-15 | 2011-12-20 | Открытое акционерное общество "Калужский завод "Ремпутьмаш" (RU) | RAILWAY TRAIN |
| CN104203469A (en) * | 2012-03-29 | 2014-12-10 | 瓦尔特公开股份有限公司 | Crankshaft milling cutter |
| CN107150140A (en) * | 2016-03-03 | 2017-09-12 | 肯纳金属公司 | Cutter assembly for milling rail top |
| CN107855573A (en) * | 2017-11-09 | 2018-03-30 | 四川天虎工具有限责任公司 | Rail repairs profile milling cutter online |
| CN108480732A (en) * | 2018-02-23 | 2018-09-04 | 中国神华能源股份有限公司 | Change the method for the contour shape in the cross section of milling cutter and its cutterhead and rail |
| CN109604696A (en) * | 2018-09-27 | 2019-04-12 | 基准精密工业（惠州）有限公司 | The facing cutter of milling rail |
-
2019
- 2019-05-27 CN CN201910443841.2A patent/CN111996848A/en active Pending
- 2019-05-27 CN CN202310078434.2A patent/CN116103966A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1422804A (en) * | 1972-04-07 | 1976-01-28 | Elektro Thermit Gmbh | Apparatus for reprofiling the head of a flat bottom rail |
| SU1479210A1 (en) * | 1987-07-30 | 1989-05-15 | Усольское производственное объединение "Химпром" | Stepped-diameter face-milling cutter |
| RU2010124551A (en) * | 2010-06-15 | 2011-12-20 | Открытое акционерное общество "Калужский завод "Ремпутьмаш" (RU) | RAILWAY TRAIN |
| CN104203469A (en) * | 2012-03-29 | 2014-12-10 | 瓦尔特公开股份有限公司 | Crankshaft milling cutter |
| CN107150140A (en) * | 2016-03-03 | 2017-09-12 | 肯纳金属公司 | Cutter assembly for milling rail top |
| CN107855573A (en) * | 2017-11-09 | 2018-03-30 | 四川天虎工具有限责任公司 | Rail repairs profile milling cutter online |
| CN108480732A (en) * | 2018-02-23 | 2018-09-04 | 中国神华能源股份有限公司 | Change the method for the contour shape in the cross section of milling cutter and its cutterhead and rail |
| CN109604696A (en) * | 2018-09-27 | 2019-04-12 | 基准精密工业（惠州）有限公司 | The facing cutter of milling rail |
Non-Patent Citations (1)
| Title |
|---|
| 周斌兴等: "《最新实用五金手册》", 28 February 2015 * |
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| CN116103966A (en) | 2023-05-12 |
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Application publication date: 20201127 |
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