CN108015643A - A kind of adjustable iron track surface intelligence sanding apparatus - Google Patents
A kind of adjustable iron track surface intelligence sanding apparatus Download PDFInfo
- Publication number
- CN108015643A CN108015643A CN201711271656.7A CN201711271656A CN108015643A CN 108015643 A CN108015643 A CN 108015643A CN 201711271656 A CN201711271656 A CN 201711271656A CN 108015643 A CN108015643 A CN 108015643A
- Authority
- CN
- China
- Prior art keywords
- polishing
- mobile
- side chains
- rail
- support plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/004—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding rails, T, I, H or other similar profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The present invention relates to a kind of adjustable iron track surface intelligence sanding apparatus, polishing support plate, Liang Ge moving mechanisms are symmetrically installed with left and right sides of the lower end of polishing support plate, two polishing side chains are separately installed with the inside of Liang Ge moving mechanisms, it is connected between two polishing side chains using welding manner, it is used to place required polishing rail between two polishing side chains, the upper end of two polishing side chains is respectively welded two mobile travellers, two mobile traveller upper ends are provided with two mobile chutes by sliding matching mode, two mobile chute upper ends are respectively welded at the lower face of polishing support plate, the polishing campaign back and forth stablized by two polishing side chains of spacing auxiliary Xia Liangge moving mechanisms drive of two mobile travellers and two mobile chutes；The moving mechanism includes being symmetrically welded at two polishing lifting lugs of polishing support plate lower end.The present invention can realize the full-automatic sanding function of rail, and without human intervention, the degree of automation is high.
Description
The present invention be applicant on 06 28th, 2016 number of patent application proposed be " 201610491104.6 ", title
For a kind of divisional application of the Chinese invention patent application of " adjustable iron track surface intelligence sanding apparatus ", entire contents combine
Among the application.
Technical field
The present invention relates to rail processing technique field, specifically a kind of adjustable iron track surface intelligence sanding apparatus.
Background technology
It is also higher and higher to the quality requirement of rail with the continuous development of high ferro technology, due to high ferro, motor-car, subway
Speed be far above common train, it is therefore very high to the smoothness requirements of rail, it is following to influence mainly having for rail smoothness
Several aspects：First, many burrs are had in the main body production shaping rear surface of rail, the smoothness of rail is poor；2nd, will
Need to carry out secondary welding between 100 meters of superlong steel rail, but the pad left after the completion of welding is extremely uneven in orbit
It is whole, influence the smoothness of rail；3rd, the rail in use is subject to corrosion to be also possible to produce rust staining for a long time, reduces rail
Smoothness；4th, rail due to being exposed to outside for a long time, and rail surface adheres to many dust, so as to reduce the smooth of rail
Degree.
The smoothness of rail directly affects high ferro, motor-car, train, the travel speed and security performance of subway, therefore in iron
Rail completion of processing needs to polish afterwards using a period of time, and cardinal principle is to be manually operated rail by operator to beat
Mill equipment is polished, and the mode of this human assistance rail polishing has the following disadvantages：1st, human assistance is needed to operate, automatically
Change degree is low, and polishing speed is slow, and work efficiency is low；2nd, existing rail is substantially I-shaped structure, existing grinding apparatus
It is difficult to be close to rail surface completely, causes to polish to rail comprehensively, polishing scope is small, and polishing effect is poor, is applicable in
Scope is small.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of adjustable iron track surface intelligence sanding apparatus, can solve
Manual operation, the degree of automation are low, speed of polishing by being needed existing for human assistance mode of operation for existing rail grinding apparatus
Slowly, polishing, effect is poor, equipment is difficult to be close to rail surface completely, scope of polishing is small, the scope of application is small and work efficiency is low
Etc. problem, it is possible to achieve the full-automatic sanding function of rail, without human intervention, the degree of automation are high, and with polishing speed
It hurry up, equipment can be close to rail surface completely, polishing scope is big, the advantages that scope of application is big and work efficiency is high.
To achieve these goals, the present invention is realized using following technical scheme：A kind of adjustable iron track surface intelligence
Sanding apparatus, support plate of polishing are symmetrically installed with Liang Ge moving mechanisms at left and right sides of the lower end of support plate of polishing, in Liang Ge moving mechanisms
Side is separately installed with two polishing side chains, is connected between two polishing side chains using welding manner, is used between two polishing side chains
In rail of polishing needed for placement, the upper end of two polishing side chains is respectively welded two mobile travellers, two mobile traveller upper ends
Two mobile chutes are provided with by sliding matching mode, two mobile chute upper ends are respectively welded at the lower end of polishing support plate
Face, drives two polishing side chains to carry out by the spacing auxiliary Xia Liangge moving mechanisms of two mobile travellers and two mobile chutes
Stable polishing campaign back and forth；The moving mechanism includes being symmetrically welded at two polishing lifting lugs of polishing support plate lower end, is located at
Polishing motor is provided with by motor cabinet on the polishing lifting lug inner wall of polishing support plate rear end, passes through connection on the output shaft for motor of polishing
Axis device is provided with polishing leading screw, and the mode that is connected through a screw thread in the middle part of leading screw of polishing is provided with polishing motion block, passes through motor of polishing
Polishing motion block is driven to stablize movement on polishing leading screw；The polishing side chain includes two be welded on corresponding polishing motion block side wall
A reinforcing rib block, the end of two reinforcing rib blocks are welded on the back of bow-shaped support, and reinforcing rib block, which plays, is fixedly connected with arch branch
The effect of frame and polishing motion block, is symmetrically installed with two No. five hydraulic cylinders, two No. five hydraulic pressure in the middle inside of bow-shaped support
The top of cylinder is provided with main abrading block, winner's abrading block is close to required polishing track side by the movement of two No. five hydraulic cylinders
In the middle part of wall, the upper and lower ends of main abrading block are separately installed with two No.1s by No.1 limit spring and aid in abrading block, two No.1s
Aid in being separately installed with two No. two auxiliary abrading blocks by No. two limit springs on the outer wall of abrading block, pass through No.1 limit spring
With the spacing connection function of No. two limit springs No.1 auxiliary abrading block is synchronously transported with main abrading block, No. two auxiliary abrading blocks
It is dynamic, two No. six hydraulic cylinders are separately installed with the outer wall of two No. two auxiliary abrading blocks, pass through the movement of two No. six hydraulic cylinders
Two No. two auxiliary abrading blocks are enabled to be close to required polishing rail side wall upper and lower ends, the bottom point of two No. six hydraulic cylinders
Not An Zhuan bow-shaped support inner side upper and lower ends；Main abrading block on described two polishing side chains, No.1 auxiliary abrading block, No. two it is auxiliary
I-shaped polishing structure is formed between grinding aid block, it is corresponding with the shape of rail.
In use, the present invention is installed in existing mobile equipment first, it is by existing mobile equipment that the present invention is mobile
To required polishing rail section, after location determination is good, the present invention starts to work, and first passes through four on two polishing side chains
A two main abrading blocks of No. five hydraulic cylinder activity adjustments are close in the middle part of required polishing rail side wall, then by two polishing side chains
The auxiliary abrading blocks of four No. six hydraulic cylinder activity adjustments four two be close to needed for polishing rail side wall upper and lower ends, and two
Four No.1s auxiliary abrading block on polishing side chain is followed pair due to the connection position-limiting action of No.1 limit spring, No. two limit springs
Should main abrading block, No. two auxiliary abrading blocks be close to needed for polishing rail side wall transition recess up and down, be close to rail so as to constitute
The I-shaped polishing structure on surface so that the present invention can be close to rail surface completely, at this time two in Liang Ge moving mechanisms
Polishing motor starts simultaneously at movement, and two polishing motors drive two polishing motion blocks to stablize on two polishing leading screws and move, and two
A polishing motion block drives what two polishing side chains were stablized under the spacing auxiliary of two mobile travellers and two mobile chutes
Move back and forth, the polishing campaign back and forth that the I-shaped polishing structure formed between two polishing side chains stablizes rail, polishing
Scope is big, and polishing effect is good, and work efficiency is high, realizes full-automatic sanding function of the present invention to rail, without human intervention,
The degree of automation is high, and polishing speed is fast, and work efficiency is high.
The beneficial effects of the invention are as follows：
1st, the present invention by four No. five hydraulic cylinder activity adjustments, two main abrading blocks be close to needed in the middle part of polishing rail side wall and
By No. two auxiliary abrading blocks of four No. six hydraulic cylinder activity adjustments four be close to needed for polishing rail side wall upper and lower ends, and four
A No.1 auxiliary abrading block since the connection position-limiting action of No.1 limit spring, No. two limit springs follows corresponding main abrading block, No. two
Auxiliary abrading block is close to required polishing rail side wall transition recess up and down, so as to constitute the I-shaped polishing for being close to rail surface
Structure so that the present invention can be close to rail surface completely, and final Liang Ge moving mechanisms drive shape between two polishing side chains
Into the polishing campaign back and forth stablized to rail of I-shaped polishing structure, polishing scope is big, and effect of polishing is good, work efficiency
It is high.
2nd, the present invention solve existing rail grinding apparatus by needed existing for human assistance mode of operation manual operation,
The degree of automation is low, polishing speed is slow, polishing effect is poor, equipment be difficult to be close to rail surface, scope of polishing completely it is small, applicable
The problems such as scope is small and work efficiency is low, realize full-automatic sanding function of the present invention to rail, without human intervention, from
Dynamicization degree is high, and with polishing speed is fast, equipment can be close to that rail surface, polishing scope are big, the scope of application is big completely and
The advantages that work efficiency is high.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the II of Fig. 1 of the present invention to partial enlarged view.
Fig. 3 is the full sectional view of the present invention.
Fig. 4 is the C-C of Fig. 3 of the present invention to sectional view.
Specific embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figures 1 to 4, a kind of adjustable iron track surface intelligence sanding apparatus, including polishing support plate 91, support plate of polishing
Liang Ge moving mechanisms 92 are symmetrically installed with left and right sides of 91 lower end, the inner side of Liang Ge moving mechanisms 92 is separately installed with two polishings
Side chain 93, two polishing side chains 93 between be connected using welding manner, two polishing side chains 93 between be used for place required polishing
Rail, the upper end of two polishing side chains 93 are respectively welded two mobile travellers 94, and two mobile 94 upper ends of traveller pass through slip
Fit system is provided with two mobile chutes 95, and two 95 upper ends of mobile chute are respectively welded at the lower face of polishing support plate 91,
Two polishing side chains are driven by the spacing auxiliary Xia Liangge moving mechanisms 92 of two mobile travellers 94 and two mobile chutes 95
The 93 polishing campaigns back and forth stablized；The moving mechanism 92 includes being symmetrically welded at two polishings of 91 lower end of polishing support plate
Lifting lug 921, polishing motor 922, polishing are provided with 921 inner wall of polishing lifting lug of 91 rear end of polishing support plate by motor cabinet
Polishing leading screw 923 is provided with by shaft coupling on the output shaft of motor 922, the middle part side of being connected through a screw thread for leading screw 923 of polishing
Formula is provided with polishing motion block 924, drives polishing motion block 924 to stablize on polishing leading screw 923 by motor 922 of polishing and moves；Institute
State two reinforcing rib blocks 931 that polishing side chain 93 includes being welded on corresponding polishing 924 side wall of motion block, two reinforcing rib blocks 931
End be welded on the back of bow-shaped support 932, reinforcing rib block 931, which plays, is fixedly connected with bow-shaped support 932 and polishing motion block 924
Effect, be symmetrically installed with two No. five hydraulic cylinders 933 in the middle inside of bow-shaped support 932, two No. five hydraulic cylinders 933
Top is provided with main abrading block 934, winner's abrading block 934 is close to required polishing by the movement of two No. five hydraulic cylinders 933
In the middle part of rail side wall, the upper and lower ends of main abrading block 934 are separately installed with two No.1 auxiliary mills by No.1 limit spring 935
Block 936, two No.1s aid in being separately installed with two No. two auxiliary by No. two limit springs 937 on the outer wall of abrading block 936
Abrading block 938, abrading block 936 is aided in by the spacing connection function No.1 of No.1 limit spring 935 and No. two limit springs 937
It can be synchronized with the movement with main 934, No. two auxiliary abrading blocks 938 of abrading block, be separately installed with the outer wall of two No. two auxiliary abrading blocks 938
Two No. six hydraulic cylinders 939, can be close to by No. two auxiliary abrading blocks 938 of movement two of two No. six hydraulic cylinders 939
In required polishing rail side wall upper and lower ends, the bottom of two No. six hydraulic cylinders 939 is separately mounted to the inner side of bow-shaped support 932
Upper and lower ends；Between 936, No. two main abrading block 934, No.1 auxiliary abrading block auxiliary abrading blocks 938 on described two polishing side chains 93
I-shaped polishing structure is formed, it is corresponding with the shape of rail.
In use, the present invention is installed in existing mobile equipment first, it is by existing mobile equipment that the present invention is mobile
To required polishing rail section, after location determination is good, the present invention starts to work, and first passes through on two polishing side chains 93
Four 933 activity adjustments of No. five hydraulic cylinders, two main abrading blocks 934 are close in the middle part of required polishing rail side wall, then are beaten by two
Four No. six hydraulic cylinders, 939 activity adjustment, four No. two auxiliary abrading blocks 938 on mill side chain 93 are close to required polishing track side
Wall upper and lower ends, and four No.1s auxiliary abrading block 936 on two polishing side chains 93 is due to 935, No. two limits of No.1 limit spring
The connection position-limiting action of position spring 937 follows corresponding 934, No. two auxiliary abrading blocks 938 of main abrading block to be close to required polishing track side
Transition recess above and below wall, so as to constitute the I-shaped polishing structure for being close to rail surface so that the present invention can be close to completely
In rail surface, two in Liang Ge moving mechanisms 92 polishing motor 922 starts simultaneously at movement, two polishing motors 922 at this time
Two polishing motion blocks 924 are driven to stablize movement on two polishing leading screws 923, two polishing motion blocks 924 drive two polishing branch
What chain 93 was stablized under spacing auxiliary of two mobile travellers 94 with two mobile chutes 95 moves back and forth, two polishing branch
The polishing campaign back and forth that the I-shaped polishing structure formed between chain 93 stablizes rail, polishing scope is big, and polishing effect is good,
Work efficiency is high, realizes full-automatic sanding function of the present invention to rail, and without human intervention, the degree of automation is high, polishing
Speed is fast, and work efficiency is high, solves existing rail grinding apparatus and is manually grasped by being needed existing for human assistance mode of operation
Make, the degree of automation is low, polishing speed is slow, polishing effect is poor, equipment be difficult to be close to completely rail surface, scope of polishing it is small,
The problems such as the scope of application is small and work efficiency is low, have reached purpose.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiments and description simply illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Define.
Claims (3)
- A kind of 1. adjustable iron track surface intelligence sanding apparatus, it is characterised in that：Including polishing support plate (91), polishing support plate (91) Lower end at left and right sides of be symmetrically installed with Liang Ge moving mechanisms (92), being separately installed with two on the inside of Liang Ge moving mechanisms (92) beats Side chain (93) is ground, is connected between two polishing side chains (93) using welding manner, two polishing side chains（93）Between be used for place Required polishing rail；The upper end of two polishing side chains (93) is respectively welded two mobile travellers (94), two mobile travellers (94) upper end is provided with two mobile chutes (95) by sliding matching mode, and two mobile chute (95) upper ends are respectively welded at The lower face of polishing support plate (91), passes through two mobile travellers（94）With two mobile chutes（95）Spacing auxiliary it is lower two shifting Motivation structure（92）Drive two polishing side chains（93）The polishing campaign back and forth stablized；The moving mechanism (92) includes symmetrical It is welded on two polishing lifting lugs (921) of polishing support plate (91) lower end, the polishing lifting lug (921) positioned at polishing support plate (91) rear end Polishing motor (922) is provided with by motor cabinet on inner wall, is provided with and beaten by shaft coupling on the output shaft of polishing motor (922) Leading screw (923) is ground, the mode that is connected through a screw thread in the middle part of polishing leading screw (923) is provided with polishing motion block (924)；Pass through electricity of polishing Machine（922）Drive polishing motion block（924）In polishing leading screw（923）It is upper stable mobile；It is right in the middle inside of bow-shaped support (932) Title is provided with two No. five hydraulic cylinders (933), and the top of two No. five hydraulic cylinders (933) is provided with main abrading block (934), main abrading block (934) upper and lower ends are separately installed with two No.1s by No.1 limit spring (935) and aid in abrading blocks (936), two one Number auxiliary abrading block (936) outer wall on by No. two limit springs (937) be separately installed with two No. two auxiliary abrading blocks (938), No.1 limit spring is passed through（935）With No. two limit springs（937）Spacing connection function cause No.1 aid in abrading block （936）Can be with main abrading block（934）, No. two auxiliary abrading blocks 938 are synchronized with the movement；On the outer wall of two No. two auxiliary abrading blocks (938) Two No. six hydraulic cylinders (939) are separately installed with, the bottom of two No. six hydraulic cylinders (939) is separately mounted to bow-shaped support (932) inner side upper and lower ends；Main abrading block (934), No.1 on described two polishing side chains (93) aid in abrading block (936), two I-shaped polishing structure is formed between number auxiliary abrading block (938)；It is corresponding with the shape of rail.
- A kind of 2. adjustable iron track surface intelligence sanding apparatus according to claim 1, it is characterised in that：The polishing branch Chain (93) includes two reinforcing rib blocks (931) being welded on corresponding polishing motion block (924) side wall, two reinforcing rib blocks (931) End be welded on the backs of bow-shaped support (932).
- A kind of 3. adjustable iron track surface intelligence sanding apparatus according to claim 1, it is characterised in that：Two polishing branch Chain is connected between (93) using welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271656.7A CN108015643A (en) | 2016-06-28 | 2016-06-28 | A kind of adjustable iron track surface intelligence sanding apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271656.7A CN108015643A (en) | 2016-06-28 | 2016-06-28 | A kind of adjustable iron track surface intelligence sanding apparatus |
| CN201610491104.6A CN106112735B (en) | 2016-06-28 | 2016-06-28 | A kind of adjustable iron track surface intelligence sanding apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610491104.6A Division CN106112735B (en) | 2016-06-28 | 2016-06-28 | A kind of adjustable iron track surface intelligence sanding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108015643A true CN108015643A (en) | 2018-05-11 |
Family
ID=57285114
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610491104.6A Active CN106112735B (en) | 2016-06-28 | 2016-06-28 | A kind of adjustable iron track surface intelligence sanding apparatus |
| CN201711271656.7A Withdrawn CN108015643A (en) | 2016-06-28 | 2016-06-28 | A kind of adjustable iron track surface intelligence sanding apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610491104.6A Active CN106112735B (en) | 2016-06-28 | 2016-06-28 | A kind of adjustable iron track surface intelligence sanding apparatus |
Country Status (1)
| Country | Link |
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| CN (2) | CN106112735B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655884A (en) * | 2018-05-18 | 2018-10-16 | 清远初曲智能科技有限公司 | A kind of intelligent track traffic adaptively cools down anti-seismic rail multistage and derusts grinding device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227987B (en) * | 2019-06-24 | 2020-10-09 | 芜湖中铁科吉富轨道有限公司 | Grinding device for groove type rail groove |
| CN111469033B (en) * | 2020-04-01 | 2021-11-30 | 杭州唯库科技有限公司 | Automatic rust cleaning robot for machine tool guide rail |
| CN115056107B (en) * | 2022-06-21 | 2023-06-23 | 哈尔滨职业技术学院 | Pneumatic slide rail processingequipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2235690C2 (en) * | 1972-07-20 | 1983-11-17 | Kenneth P. Grand Rapids Mich. Stanaback | Apparatus for helically fluting conical workpiece - has rotary tool and rotary chuck relatively movable |
| CN201082515Y (en) * | 2007-04-20 | 2008-07-09 | 宝山钢铁股份有限公司 | Car steel plate surface grinding device |
| CN101407032B (en) * | 2008-11-06 | 2010-08-11 | 燕山大学 | Four-dimensional skate edge grinding apparatus |
| EP2620546A1 (en) * | 2012-01-26 | 2013-07-31 | Tirso a.s. | Robotic device for welding-on of crane's railways |
| CN104325372B (en) * | 2014-10-29 | 2017-02-08 | 南通市星期七旅游开发有限公司 | Terrazzo grinding machine with adjustable grinding disc position |
| CN106514622B (en) * | 2015-06-11 | 2018-12-25 | 黄朝阳 | A kind of working method grabbed bucket based on the four-degree-of-freedom of parallel institution from steady cabinet |
| CN104889842B (en) * | 2015-06-26 | 2017-04-05 | 嘉善大王椰整体橱柜有限公司 | A kind of special apparatus for leveling of board surface evener |
-
2016
- 2016-06-28 CN CN201610491104.6A patent/CN106112735B/en active Active
- 2016-06-28 CN CN201711271656.7A patent/CN108015643A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655884A (en) * | 2018-05-18 | 2018-10-16 | 清远初曲智能科技有限公司 | A kind of intelligent track traffic adaptively cools down anti-seismic rail multistage and derusts grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106112735A (en) | 2016-11-16 |
| CN106112735B (en) | 2018-05-11 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180511 |
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| WW01 | Invention patent application withdrawn after publication |