CN109837812A - A kind of adjustable top for railroad turnout steel rail top tune - Google Patents
A kind of adjustable top for railroad turnout steel rail top tune Download PDFInfo
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- CN109837812A CN109837812A CN201910255865.5A CN201910255865A CN109837812A CN 109837812 A CN109837812 A CN 109837812A CN 201910255865 A CN201910255865 A CN 201910255865A CN 109837812 A CN109837812 A CN 109837812A
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- 230000033001 locomotion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
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- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Abstract
本发明公开了一种用于道岔钢轨顶调的可调式顶头，包括中顶头、上顶头和下顶头，中顶头的头部端面为圆弧形并用于与钢轨的轨腰接触，上顶头设置在中顶头上方，上顶头与中顶头滑动连接，上顶头利用上推动装置推动其在中顶头上滑动，上顶头利用上定位装置将其定位在中顶头上，上顶头的头部用于与钢轨的轨头接触，下顶头设置在中顶头下方，下顶头与中顶头滑动连接，下顶头利用下推动装置推动其在中顶头上滑动，下顶头利用下定位装置将其定位在中顶头上，下顶头的头部用于与钢轨的轨底接触。本发明在顶调时能够同时与钢轨的轨头、轨腰、轨底接触，使道岔钢轨受力均匀，满足道岔钢轨工作边的直线度、轨头的平直度要求。
The invention discloses an adjustable plug used for the top adjustment of turnout rails, comprising a middle plug, an upper plug and a lower plug. The end face of the head of the middle plug is arc-shaped and is used for contacting with the rail waist of the rail, and the upper plug is arranged on the Above the middle header, the upper header is slidably connected with the middle header, the upper header is pushed to slide on the middle header by the upper pushing device, the upper header is positioned on the middle header by the upper positioning device, and the head of the upper header is used to connect with the rail. The rail head is in contact, the lower head is arranged below the middle head, the lower head is slidably connected with the middle head, the lower head uses the lower push device to push it to slide on the middle head, the lower head uses the lower positioning device to locate it on the middle head, the lower head The head is used to make contact with the rail bottom of the rail. The invention can contact the rail head, rail waist and rail bottom of the rail at the same time during top adjustment, so that the force of the switch rail is uniform, and the straightness of the working edge of the switch rail and the straightness of the rail head are satisfied.
Description
Technical field
The present invention relates to railroad turnout steel rail technical field of processing equipment, more particularly to it is a kind of for railroad turnout steel rail top tune can
Mode top.
Background technique
With the fast development of Chinese economy, railway traffic construction constantly improve, and the continuous improvement of high-speed rail speed per hour, China
Demand to railroad turnout steel rail increasingly increases, and to the quality of railroad turnout steel rail, more stringent requirements are proposed.Railroad turnout steel rail is that one kind makes machine
Vehicle vehicle is transferred to one of the line connection equipment of another station track and the weak link of track from a station track, usually AT STATION, compiles
Group station is a large amount of to be laid with, and is played an important role on rail track.It needs to carry out top tune to it in railroad turnout steel rail process, makes it
It is formed and meets the bending degree that railway is laid with requirement, currently, railroad turnout steel rail processing mostly uses greatly top in major track switch processing enterprise
Equipment is adjusted, the top for track switch top timing is mostly rectangular block shape, when track switch is adjusted on top, make unbalance stress on track switch section,
The straightness of the straightness, rail head that may result in turnout work side does not meet national regulation, even results in track switch fracture, therefore
In railroad turnout steel rail manufacture field, it is badly in need of a kind of adjustable top that can make railroad turnout steel rail rail head, the web of the rail, rail bottom uniform stressed
Head.
Summary of the invention
The object of the present invention is to provide a kind of adjustable tops for railroad turnout steel rail top tune, to solve the above-mentioned prior art
There are the problem of, can be contacted simultaneously with the rail head of rail, the web of the rail, rail bottom in the top adjustable top of timing, make railroad turnout steel rail by
Power is uniform, meets the straightness of railroad turnout steel rail working edge, the flatness requirements of rail head.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of adjustable tops for railroad turnout steel rail top tune, including middle top, top end and lower top
Head, the middle top are cuboid, and the head end of the middle top is arc-shaped and for contacting with the web of the rail of rail, described
The tail portion of middle top is used to adjust the top driving device in equipment to be fixedly connected with top, and the top end is arranged in the middle top
Top, the top end are slidably connected with the middle top, and the top end pushes it on the middle top using upper pushing meanss
It is slided on head, the top end is located on the middle top using upper positioning device, and the head of the top end is used for
It is contacted with the rail head of the rail, the lower top is arranged below the middle top, and the lower top is slided with the middle top
Dynamic connection, the lower top push it to slide on the middle top using lower pushing meanss, and the lower top utilizes lower positioning
Device is located on the middle top, and the head of the lower top with the rail bottom of the rail for contacting.
Preferably, the upper surface of the middle top offers the first dovetail groove, and the lower end surface of the top end is equipped with and institute
State the first dovetail slide block of the first dovetail groove phase shiding matching.
Preferably, the upper positioning device includes upper guide post and upper force-bearing piece, and the upper guide post is fixed on the middle top
The middle part of upper surface, the upper force-bearing piece are set on the upper guide post and are slidably connected, the upper force-bearing piece and the upper top
Head be slidably connected, the end face of the upper force-bearing piece and the end face of the top end at the place of being slidably connected be match first tiltedly
Face, the upper force-bearing piece is identical as the top end material, and the angle of two first inclined-planes and perpendicular is less than described
The angle of friction of upper force-bearing piece.
Preferably, the lower end surface of the middle top offers the second dovetail groove, and the upper surface of the lower top is equipped with and institute
State the second dovetail slide block of the second dovetail groove phase shiding matching.
Preferably, the lower positioning device includes lower guide post and lower force-bearing piece, and the lower guide post is fixed on the middle top
The rear portion of lower end surface, the lower force-bearing piece are set on the lower guide post and are slidably connected, the lower force-bearing piece and the lower top
Head is slidably connected, the end face of the lower force-bearing piece at the place of being slidably connected and the end face of the lower top be match second tiltedly
Face, the lower force-bearing piece is identical as the lower top material, and the angle of two second inclined-planes and perpendicular is less than described
The angle of friction of lower force-bearing piece.
Preferably, the cross section of the top end is trapezoidal, the head end of the top end be it is arc-shaped, it is described above to push away
Dynamic device is located at the side of the middle top, and the upper pushing meanss include the first rack gear and the second rack gear, first rack gear
It is fixed on the top end, the first gear being meshed with first rack gear is rotatably connected on the middle top, it is described
Third dovetail groove is offered on middle top, slidably connects second rack gear in the third dovetail groove, on the middle top
It is rotatably connected to the second gear being meshed with second rack gear, the first gear is meshed with the second gear, institute
State and be hinged with the first card column on the second rack gear, offered on the middle top several match with first card column first
Rectangle fixing groove.
Preferably, the cross section of first card column is V-arrangement, and the lower rotation of first card column is connected with the first pin
Axis, is fixed with the first key seat on second rack gear, first card column by first pin shaft, first key seat with
Second rack gear is hinged, is arranged with the first torsional spring on first pin shaft, and the both ends of first torsional spring are respectively with described
One card column, second rack gear abut.
Preferably, the cross section of the lower top is trapezoidal, the head end of the lower top be it is arc-shaped, pushed away under described
Dynamic device is located at the other side of the middle top, and the lower pushing meanss include third rack gear and the 4th rack gear, the third tooth
Item is fixed on the lower top, and the third gear being meshed with the third rack gear, institute are rotatably connected on the middle top
It states and offers the 4th dovetail groove on top, the 4th rack gear, the middle top are slidably connected in the 4th dovetail groove
On be rotatably connected to the 4th gear being meshed with the 4th rack gear, the third gear is meshed with the 4th gear,
The second card column is hinged on 4th rack gear, offered on the middle top several match with second card column
Two rectangle fixing grooves.
Preferably, the cross section of second card column is V-arrangement, and the lower rotation of second card column is connected with the second pin
Axis, is fixed with the second key seat on the 4th rack gear, second card column by second pin shaft, second key seat with
4th rack gear is hinged, is arranged with the second torsional spring on second pin shaft, and the both ends of second torsional spring are respectively with described
Two card columns, the 4th rack gear abut.
The present invention achieves following technical effect compared with the existing technology:
The present invention is equipped with the top end being slidably connected in the top of middle top, and is equipped with and is slidably connected in the lower section of middle top
Lower top, to adjust top in the Hydraulic Cylinder of equipment to contact with the web of the rail of rail using top, meanwhile, utilize upper promotion dress
Promotion top end is set, pushes and is positioned afterwards using upper positioning device in place, it is identical to push lower top using lower pushing meanss, it pushes
It is positioned afterwards using lower positioning device in place, to realize that top end is contacted with rail head, lower top is contacted with rail bottom, i.e., energy of the present invention
It is enough to be contacted simultaneously with the rail head of rail, the web of the rail, rail bottom in top timing, make railroad turnout steel rail uniform force, and then meet railroad turnout steel rail
The flatness requirements of the straightness of working edge, rail head；Meanwhile the present invention can also slide respectively, adjust top end and lower top
Position, to adapt to the top tune of a variety of different model rail.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is left view of the invention；
Fig. 3 is the overall structure diagram of another angle of the present invention；
Fig. 4 is right view of the invention；
Fig. 5 is the partial enlargement diagram of part A in Fig. 1 of the present invention；
Fig. 6 is the partial enlargement diagram of part B in Fig. 3 of the present invention；
Fig. 7 is the structural schematic diagram of top 2 in the middle part of the present invention；
Fig. 8 is the structural schematic diagram of top end 3 and the first rack gear 11 in the present invention；
Fig. 9 is the structural schematic diagram of lower top 7 and third rack gear 12 in the present invention；
Figure 10 is the structural schematic diagram of the second rack gear 9 and the first card column 16 in the present invention；
Figure 11 is the structural schematic diagram of the 4th rack gear 15 and the second card column 18 in the present invention；
In figure: 1- rail；It is come directly towards in 2-；3- top end；The upper force-bearing piece of 4-；5- upper guide post；Force-bearing piece under 6-；It is pushed up under 7-
Head；8- second gear；The second rack gear of 9-；10- first gear；The first rack gear of 11-；12- third rack gear；13- third gear；14-
4th gear；The 4th rack gear of 15-；The first card column of 16-；The first torsional spring of 17-, the second card column of 18-, the second torsional spring of 19-, 20- first
Rectangle fixing groove, guide post under 21-, 22- the second rectangle fixing groove, the first dovetail groove of 23-, the second dovetail groove of 24-, 25- third swallow
Stern notch, the 4th dovetail groove of 26-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art under the premise of not making the creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It is as shown in Figure 1-Figure 11: present embodiments provide a kind of adjustable top for railroad turnout steel rail top tune, including in
Top 2, top end 3 and it is lower top 7, it is middle top 2 be cuboid, it is middle top 2 head end be it is arc-shaped and be used for and rail 1
The web of the rail contact, it is middle top 2 tail portion be used for railroad turnout steel rail top tune equipment in top driving device be fixedly connected, this implementation
Top 2 directly adjusts the piston rod of hydraulic cylinder in equipment to be fixedly connected with existing top in example, wherein the direction contacted with rail 1 is
Head, the direction far from rail 1 are tail.For the setting of top end 3 above middle top 2, top end 3 is trapezoidal bulk, the cross of top end 3
Section be it is trapezoidal, the head end of top end 3 be it is arc-shaped, top end 3 and middle top 2 are slidably connected, it is middle come directly towards 2 upper surface
It offers through the first dovetail groove 23 end to end, the lower end surface of top end 3 is equipped with the first swallow to match with the first dovetail groove 23
Tail sliding block, top end 3 push it to slide on middle top 2 using upper pushing meanss, and top end 3 is determined using upper positioning device
Position is on middle top 2, and the head of top end 3 with the rail head of rail 1 for contacting, specifically when top end 3 reaches certain top
After adjusted position, upper positioning device can prevent top end 3 that the trend of rearwardly direction sliding occurs, and lower top 7 is arranged in Zhong Ding
It is first 2 lower section, it is lower top 7 be trapezoidal bulk, it is lower top 7 cross section be it is trapezoidal, it is lower top 7 head end be it is arc-shaped, under
Top 7 is slidably connected with middle top 2, and the lower end surface of middle top 2 is offered through the second dovetail groove 24 end to end, lower top 7
Upper surface is equipped with the second dovetail slide block to match with the second dovetail groove 24, and lower top 7 pushes it in using lower pushing meanss
It is slided on top 2, lower top 7 is located on middle top 2 using lower positioning device, and the head of lower top 7 is used for and rail
1 rail bottom contact, after similarly coming directly towards the top adjusted position that 7 reach certain instantly, lower positioning device can prevent lower top 7 from occurring
The rearwardly trend of direction sliding.The present embodiment is equipped with the top end 3 being slidably connected in the top of middle top 2, and in middle top 2
Lower section be equipped with the lower top 7 that is slidably connected, to adjust the web of the rail of top 2 and rail 1 in the Hydraulic Cylinder of equipment using top
Face contact, meanwhile, top end 3 is pushed using upper pushing meanss, pushes and is positioned afterwards using upper positioning device in place, identical benefit
Push lower top 7 with lower pushing meanss, push and positioned afterwards using lower positioning device in place, thus realize top end 3 and rail head, under
The contact with rail bottom is come directly towards, i.e., can be contacted simultaneously with the rail head of rail, the web of the rail, rail bottom in top timing, make railroad turnout steel rail stress
Uniformly, and then meet the flatness requirements of the straightness of railroad turnout steel rail working edge, rail head.
Specifically, upper positioning device includes upper guide post 5 and upper force-bearing piece 4, upper guide post 5 is rectangle column, and upper guide post 5 is fixed
Offer square through hole at the middle part of 2 upper surfaces of middle top, in the middle part of upper force-bearing piece 4, upper force-bearing piece 4 be set on upper guide post 5 and
It is slidably connected, upper force-bearing piece 4 is slidably connected with top end 3, the end face of the upper force-bearing piece 4 at the place that is slidably connected and the end of top end 3
Face is the first inclined-plane to match, i.e., the head end of the tail end face of top end 3 and upper force-bearing piece 4 is the first inclined-plane, on
Force-bearing piece 4 is identical as 3 material of top end, and the angle (α in such as Fig. 2) of two the first inclined-planes and perpendicular is less than upper load
The angle of friction of block 4, when the oriented caudal directions of top end 3 movement trend when, upper force-bearing piece 4 top end 3 power effect under,
It will not be moved upwards along upper guide post 5, so that force-bearing piece 4 be enable to prevent the movement of top end 3 rearwardly, make top end 3
Head is contacted with the rail head of rail 1 always.Lower positioning device includes lower guide post 21 and lower force-bearing piece 6, and lower guide post 21 is vertical for rectangle
Column, lower guide post 21 are fixed on the rear portion of 2 lower end surfaces of middle top, offer square through hole, 6 sets of lower force-bearing piece in the middle part of lower force-bearing piece 6
It is located on lower guide post 21 and is slidably connected, lower force-bearing piece 6 is slidably connected with lower top 7, the lower force-bearing piece 6 at the place that is slidably connected
The end face of end face and lower top 7 is the second inclined-plane to match, i.e., the lower tail end face of top 7 and the head of lower force-bearing piece 6
End face is the second inclined-plane, and lower force-bearing piece 6 is identical as 7 materials of lower top, angle (such as Fig. 2 on two the second inclined-planes and perpendicular
In β) be less than the angle of friction of lower force-bearing piece 6, similarly, when coming directly towards the trend of 7 oriented caudal directions movements instantly, lower force-bearing piece
6 it is lower top 7 power effect under, will not be moved upwards along lower guide post 21, thus enable lower force-bearing piece 6 prevent it is lower top 7 to
The movement of tail portion contacts the head of lower top 7 with 1 rail bottom of rail always.
Upper pushing meanss are located at the side of middle top 2, and pushing meanss setting above pushes away in middle 2 left side of top on the present embodiment
Dynamic device includes the first rack gear 11 and the second rack gear 9, and the first rack gear 11 is fixed on top end 3, is rotatablely connected on middle top 2
There is the first gear 10 being meshed with the first rack gear 11, middle come directly towards offers third dovetail groove 25 on 2, in third dovetail groove 25
The second rack gear 9 is slidably connected, is rotatably connected to the second gear 8 being meshed with the second rack gear 9, first gear on middle top 2
10 are meshed with second gear 8, and the first card column 16 is hinged on the second rack gear 9, offers several and first on middle top 2
The first rectangle fixing groove 20 that card column 16 matches.The cross section of first card column 16 is V-arrangement, and the lower rotation of the first card column 16 connects
It is connected to the first pin shaft, is fixed with the first key seat on the second rack gear 9, the first card column 16 passes through the first pin shaft, the first key seat and the
Two rack gears 9 are hinged, are arranged with the first torsional spring 17 on the first pin shaft, the both ends of the first torsional spring 17 respectively with the first card column 16, second
Rack gear 9 abuts, and the bottom among V-arrangement is arranged in specific such as clip principle, the first pin shaft, and the first torsional spring 17 is set in the first pin shaft
On, there are two extension end, an extension ends to abut with the first card column 16 far from middle top for the first torsional spring 17, another extension end and
Second rack gear 9 abuts, and is specifically shown in Fig. 5, the left side of the first card column 16V shape structure is arranged in two extension ends of the first torsional spring 17.
There are five first rectangle fixing groove 20 is equidistantly set, it is solid that the first card column 16 is embedded in the first rectangle under the action of the first torsional spring 17
Determine in slot 20；Second rack gear 9 is moved forward and backward, to adjust the back-and-forth motion of top end 3, effect of first card column 16 in the first torsional spring 17
In lower insertion in the first rectangle fixing groove 20 in 2 left side of top, to the position of fixed top end 3, middle 2 left side of top is equipped with
Five the first rectangle fixing grooves 20, five positions of the corresponding top end 3 of each first rectangle fixing groove 20, that is, correspond to five kinds of differences
The rail 1 of model, to adapt to different 1 sizes of rail.
Lower pushing meanss are located at the other side of middle top 2, and pushing meanss setting comes directly towards 2 right sides middle under the present embodiment, under
Pushing meanss include third rack gear 12 and the 4th rack gear 15, and third rack gear 12 is fixed on lower top 7, the company of rotation on middle top 2
It is connected to the third gear 13 being meshed with third rack gear 12, middle come directly towards offers the 4th dovetail groove 26 on 2, in the 4th dovetail groove 26
The 4th rack gear 15 is slidably connected, is rotatably connected to the 4th gear 14 being meshed with the 4th rack gear 15, third on middle top 2
Gear 13 is meshed with the 4th gear 14, and the second card column 18 is hinged on the 4th rack gear 15, offers several on middle top 2
The the second rectangle fixing groove 22 to match with the second card column 18.The cross section of second card column 18 is V-arrangement, the bottom of the second card column 18
It is rotatably connected to the second pin shaft, the second key seat is fixed on the 4th rack gear 15, the second card column 18 passes through the second pin shaft, the second pin
Seat is hinged with the 4th rack gear 15, is arranged with the second torsional spring 19 on the second pin shaft, the both ends of the second torsional spring 19 respectively with the second card column
18, the 4th rack gear 15 abuts, and the bottom among V-arrangement is arranged in specific such as clip principle, the second pin shaft, and the second torsional spring 19 is arranged
On the second pin shaft, there are two extension end, an extension ends to abut with the second card column 18 far from middle top for the second torsional spring 19, separately
One extension end is abutted with the 4th rack gear 15, specifically, two extension ends of the second torsional spring 19 are arranged in the second card column as in Fig. 6
The right side of 18V shape structure.The bottom of second card column 18 and the 4th rack gear 15 are hinged, side of second card column 18 far from middle top 2
It is connect by the second torsional spring 19 with the 4th rack gear 15.There are five second rectangle fixing groove 22 is equidistantly set, the second card column 18 is the
It is embedded under the action of two torsional springs 19 in second rectangle fixing groove 22；4th rack gear 15 is moved forward and backward, and is moved with adjusting lower 7 front and back of top
It is dynamic, the second card column 18 be embedded under the action of the second torsional spring 19 in 2 left side of top the second rectangle fixing groove 22 in, to consolidate
The position of top 7 is fixed, middle 2 right side of top is set there are five the second rectangle fixing groove 22, and each second rectangle fixing groove 22 is corresponding
Five positions of lower top 7, i.e., the rail 1 of corresponding five kinds of different models, to adapt to different 1 sizes of rail.
When the present embodiment is in use, tune equipment hydraulic cylinder in railroad turnout steel rail top stretches out first, makes middle 2 contact rail 1 of top
Web of the rail face, then worker on the other hand lifts upper bearing column, pinches the first card column 16 on the second rack gear 9 on the other hand, makes the first card column
16 therefrom come directly towards in the first rectangle fixing groove 20 on 2 left side third dovetail grooves 25 and are detached from, according to 1 model of rail, in adjustment
The position of top 3, then unclamps the first card column 16, is embedded in the first card column 16 in corresponding first rectangle fixing groove 20, together
Reason adjusts the 4th rack gear 15, to adjust the position of lower top 7, so that top end 3 contacts the rail head side of rail 1, middle top 2
The web of the rail face of rail 1 is contacted, rail head, the rail with railroad turnout steel rail are realized in top timing in the rail bottom side of lower 7 contact rail 1 of top
Waist and rail bottom contact simultaneously, make railroad turnout steel rail uniform force, so meet the straightness of railroad turnout steel rail working edge, rail head it is straight
Degree requires.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255865.5A CN109837812B (en) | 2019-04-01 | 2019-04-01 | An adjustable jack used for the top adjustment of turnout rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255865.5A CN109837812B (en) | 2019-04-01 | 2019-04-01 | An adjustable jack used for the top adjustment of turnout rails |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109837812A true CN109837812A (en) | 2019-06-04 |
| CN109837812B CN109837812B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910255865.5A Active CN109837812B (en) | 2019-04-01 | 2019-04-01 | An adjustable jack used for the top adjustment of turnout rails |
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| Country | Link |
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| CN (1) | CN109837812B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845576A (en) * | 2020-12-23 | 2021-05-28 | 浙江建鑫型钢科技有限公司 | Method for processing stainless steel section bar with dovetail groove |
| CN117989979A (en) * | 2024-01-23 | 2024-05-07 | 湖北武铁山桥轨道装备有限公司 | Automatic detection device and method for turnout rail top adjustment |
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| US20040056109A1 (en) * | 2002-09-23 | 2004-03-25 | Weaver Brian F. | Rail switch brace |
| CN1914376A (en) * | 2004-01-30 | 2007-02-14 | Cdp印地冶炼厂有限责任公司 | Device for displacing a tongue blade in addition to a height-adjustable roller device |
| CN2863858Y (en) * | 2006-02-24 | 2007-01-31 | 武汉钢铁(集团)公司 | 43 kg/m rail switch point point-hiding switcher |
| WO2009129759A1 (en) * | 2008-04-24 | 2009-10-29 | Azd Praha S.R.O. | Point roller chair |
| CN102031730A (en) * | 2010-12-24 | 2011-04-27 | 中铁宝桥集团有限公司 | Horizontal deeply-concealed wear-resistant tongue rail and stock rail structure |
| WO2018178757A1 (en) * | 2017-03-31 | 2018-10-04 | Voestalpine Nortrak Inc. | Boltless rail brace |
| CN108842524A (en) * | 2018-09-14 | 2018-11-20 | 芜湖中铁科吉富轨道有限公司 | A kind of stock rail and tongue rail head structural form |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845576A (en) * | 2020-12-23 | 2021-05-28 | 浙江建鑫型钢科技有限公司 | Method for processing stainless steel section bar with dovetail groove |
| CN117989979A (en) * | 2024-01-23 | 2024-05-07 | 湖北武铁山桥轨道装备有限公司 | Automatic detection device and method for turnout rail top adjustment |
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| CN109837812B (en) | 2020-04-21 |
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