CN219908394U - Eccentric sleeve for solving out-of-tolerance of track gauge of on-line turnout - Google Patents
Eccentric sleeve for solving out-of-tolerance of track gauge of on-line turnout Download PDFInfo
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- CN219908394U CN219908394U CN202320771790.8U CN202320771790U CN219908394U CN 219908394 U CN219908394 U CN 219908394U CN 202320771790 U CN202320771790 U CN 202320771790U CN 219908394 U CN219908394 U CN 219908394U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 241001669679 Eleotris Species 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of railway turnouts, in particular to an eccentric sleeve for solving the problem of out-of-track of an on-line turnout. The eccentric sleeve for solving the problem of out-of-tolerance of track gauge of an on-line turnout comprises a top plate, wherein a top hole penetrating through the top plate is formed in the center of the top plate, and the top hole is a round hole; the eccentric sleeve further comprises an eccentric tube connected to the lower surface of the top plate, the eccentric tube is a circular tube, and a through hole is formed in the eccentric tube; the eccentric sleeve further comprises an anti-rotation piece connected to the outer side face of the top plate, the upper surface of the anti-rotation piece is parallel to the upper surface of the top plate, and the anti-rotation piece can be bent and attached to the base plate to fix the eccentric sleeve. The track gauge can be quickly adjusted by additionally installing the eccentric sleeve, the track gauge blocks or the slide plate do not need to be replaced, and the track gauge can be directly adjusted on the basis of the existing turnout, so that the resource cost is saved, the work task of maintenance personnel is lightened, and the time is saved.
Description
Technical Field
The utility model relates to the technical field of railway turnouts, in particular to an eccentric sleeve for solving the problem of out-of-track of an on-line turnout.
Background
After the turnout is used on a railway, horizontal transverse force is applied to the turnout steel rail when locomotive wheels pass through, the steel rail has a tendency of moving outwards, the track gauge of the railway is out of tolerance, as shown in fig. 1 and 2, the slide plate comprises a slide table and a base plate, a stock rail is limited between the slide table and the track gauge block, a point rail is arranged on the slide table, the base plate of the slide plate is directly connected with turnout sleeper bolts on two sides, the turnout sleeper hole pitch fixes the slide plate at a certain position of the turnout sleeper, once the track gauge is unsuitable, only two methods are generally adopted, the first method is to adjust the position of the stock rail through the track gauge block on one side of the stock rail to adjust the track gauge, but the track gauge block needs to be replaced, the working task is heavy, the skylight is short in time, the replacement cost is high, the second method is to directly replace the slide plate, and the position of the slide plate needs to be replaced by 'track lifting', the spring pieces, the skylight and the pins are disassembled and the fasteners, and the working time is long.
In summary, when the track gauge exceeds the standard, the work task of adjusting the track gauge is heavy, the cost is high, the skylight time is insufficient, and the adjustment can not be completed rapidly on the basis of the prior art.
Disclosure of Invention
The utility model solves the problems that: when the track gauge of the line is out of tolerance, the track gauge is adjusted by replacing the gauge blocks or the slide plate, so that the time is long, the work task is heavy, and the cost is high.
(II) technical scheme
An eccentric sleeve for resolving an on-line switch gauge out of tolerance, comprising: the top plate is provided with a top hole penetrating through the top plate at the center position, and the top hole is a round hole;
the eccentric sleeve further comprises an eccentric tube connected to the lower surface of the top plate, the eccentric tube is a circular tube, and a through hole is formed in the eccentric tube;
the eccentric sleeve further comprises an anti-rotation piece connected to the outer side face of the top plate, the upper surface of the anti-rotation piece is parallel to the upper surface of the top plate, and the anti-rotation piece can be bent and attached to the backing plate to fix the eccentric sleeve;
the center line of the round hole on the top plate and the center line of the through hole on the eccentric pipe are in the same straight line, and the center line of the through hole in the eccentric pipe is deviated from the center line of the outer contour of the eccentric pipe.
According to one embodiment of the present utility model, the cross section of the top plate is any one of rectangle, regular polygon and circle.
According to one embodiment of the utility model, the top plate is circular in cross section, the top plate is disc-shaped, and the anti-rotation piece is connected to the outer side surface of the top plate.
According to one embodiment of the utility model, the cross section of the top plate is regular octagon, the top plate is regular octagon prism plate, and the anti-rotation piece is connected to the edge of the top plate.
According to one embodiment of the utility model, the top plate has a rectangular cross section, and the anti-rotation piece is connected to one side surface of the top plate.
According to one embodiment of the utility model, the cross section of the top plate is regular hexagon, the top plate is regular hexagonal prism plate, and the anti-rotation piece is connected to the edge of the top plate.
According to one embodiment of the utility model, the upper edge of the top hole on the top plate is formed with an inner chamfer.
According to one embodiment of the utility model, an outer chamfer is formed at the outer contour of the bottom end of the eccentric tube.
According to one embodiment of the utility model, the top plate and the eccentric tube are of an integrally formed construction.
According to one embodiment of the utility model, the anti-rotation tab is welded to the top plate.
The utility model has the beneficial effects that:
the utility model provides an eccentric sleeve for solving the problem of out-of-tolerance of track gauge of an on-line turnout, which comprises the following components: the top plate is provided with a top hole penetrating through the top plate at the center position, and the top hole is a round hole; the eccentric sleeve further comprises an eccentric tube connected to the lower surface of the top plate, the eccentric tube is a circular tube, and a through hole is formed in the eccentric tube; the eccentric sleeve further comprises an anti-rotation piece connected to the outer side face of the top plate, the upper surface of the anti-rotation piece is parallel to the upper surface of the top plate, and the anti-rotation piece can be bent and attached to the base plate to fix the eccentric sleeve. Because the center line of the through hole in the eccentric pipe deviates from the center line of the mounting hole by a certain distance, the specific deviation distance is 3mm, and the diameter of the switch tie bolt is the same as that of the through hole, after the switch tie bolt is inserted into the eccentric sleeve, the center line of the switch tie bolt also deviates from the center line of the mounting hole by 3mm, namely, the center line of the original switch tie bolt deviates from the center line of the current switch tie bolt by 3mm, so that the whole backing plate 1 can be driven to move by 3mm.
The track gauge can be quickly adjusted by additionally installing the eccentric sleeve, the track gauge blocks or the slide plate are not required to be replaced, the track gauge can be directly adjusted on the basis of the existing turnout, the resource cost is saved, the work task of maintenance personnel is lightened, the time is saved, the track gauge adjustment is ensured to be completed in the skylight time, the set anti-rotation piece can be bent and clung to the base plate, the function of fixing the eccentric sleeve is achieved, and the eccentric sleeve does not rotate any more.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a prior art switch according to the present utility model;
FIG. 2 is a schematic view of a switch with an eccentric sleeve according to an embodiment of the present utility model;
FIG. 3 is a perspective view of an eccentric sleeve provided by an embodiment of the present utility model;
FIG. 4 is a bottom view of an eccentric sleeve provided in an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of an eccentric sleeve provided by an embodiment of the present utility model;
fig. 6 is a top view of an eccentric sleeve provided by an embodiment of the present utility model.
Icon: 1-backing plate; 2-a rubber pad under the board; 3-stock rail; 4-point rail; 5-a sliding bed table; 6-a screw; 7-shrapnel; 8-gauge blocks;
9-eccentric sleeve; 901-top plate; 902. an eccentric tube; 903-anti-rotation tab; 904-top hole; 905-a through hole; 906-inner chamfering; 907-outer chamfering; 10-switch tie bolts.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the switch mainly comprises a base plate 1, an underfloor rubber pad 2 is fixed below the base plate 1, a spring piece 7, a screw 6 and a sliding bed table 5 are arranged above the base plate 1, a switch rail 4 is arranged above the sliding bed table 5, a track gauge block 8 is additionally arranged above the base plate 1, a stock rail 3 is limitedly arranged between the track gauge block 8 and the sliding bed table 5, switch tie bolt holes are formed in two sides of the base plate 1, nylon buffer sleeves are arranged in the switch tie bolt holes, switch tie bolts 10 are arranged in the nylon buffer sleeves, and the switch is fixed through the switch tie bolts 10. After the turnout is used on a line, horizontal transverse force is applied to the turnout steel rail when locomotive wheels pass, the steel rail has a tendency to move outwards, and the line gauge is out of tolerance, and the gauge refers to the distance between the stock rails on the two turnouts. In this case, the position of the slide plate can be generally readjusted only by replacing the gauge block 8 or replacing the slide plate, but the slide plate needs to be lifted up, and the elastic sheets, the pins and the fasteners are disassembled, so that the working time is long, and the skylight time is short.
As shown in fig. 2-6, one embodiment of the present utility model provides an eccentric sleeve for resolving an on-line switch gauge discrepancy, comprising: a top plate 901 in a disc shape, wherein a top hole 904 penetrating through the top plate 901 is formed in the center of the top plate 901, and the top hole 904 is a round hole; the lower surface of the top plate 901 is connected with an eccentric tube 902, the eccentric tube 902 is a circular tube, a through hole 905 is formed in the eccentric tube 902, wherein the center line of a top hole 904 of the top plate 901 and the center line of the through hole 905 on the eccentric tube 902 are in the same straight line, namely, the diameters of the top hole 904 and the through hole 905 are the same, and the centers of the circles are in the same straight line. An anti-rotation piece 903 is welded on the outer side surface of the top plate 901, the upper surface of the anti-rotation piece 903 is parallel to the upper surface of the top plate 901, and the anti-rotation piece 903 can be folded and attached to the backing plate 1 to fix the eccentric sleeve 9. It should be noted that the center line of the through hole 905 in the eccentric tube 902 is offset from the center line of the outer contour of the eccentric tube 902. As shown in fig. 4, a straight line perpendicular to the anti-rotation plate 903 is made at the center of the through hole 905, a straight line perpendicular to the anti-rotation plate 903 is made at the center of the outer contour of the eccentric tube 902, the distance between the two straight lines is denoted as M, and the deviation between the center line of the through hole 905 in the eccentric tube 902 and the center line of the outer contour of the eccentric tube 902 is equal to the value of M. In this embodiment, an inner chamfer 906 is formed at the upper edge of the upper top hole 904 of the top plate 901, and an outer chamfer 907 is formed at the outer contour of the bottom end of the eccentric pipe 902.
In this embodiment, the top plate 901 and the eccentric tube 902 are integrally formed, and the top plate 901, the eccentric tube 902 and the anti-rotation plate 903 are all made of steel, preferably Q235B carbon steel. The eccentric sleeve 9 is manufactured by adopting a machining mode, a die is not required to be opened, and the production time is short. The eccentric tube 902 and the top plate 901 are integrally cast, so that the eccentric tube is produced in batches, the cost is low, and the production efficiency is high. Specifically, the anti-rotation plate 903, the top plate 901 and the eccentric tube 902 are integrally formed, and when the anti-rotation plate 903 is integrally cast, the top plate 901 is disc-shaped, the eccentric tube 902 is cylindrical, the anti-rotation plate 903 is rectangular, and then holes are formed to form the top hole 904 and the through hole 905.
In this embodiment, an inner chamfer 906 is formed on the upper edge of the upper top hole 904 of the top plate 901, an outer chamfer 907 is formed at the outer contour of the bottom end of the eccentric pipe 902, and the switch bolt 10 is inserted into the eccentric sleeve 9, so that the friction between the switch bolt 10 and the upper edge of the upper top hole 904 of the top plate 901 is reduced due to the inner chamfer 906, and the service life is longer than that of a straight pipe without chamfering.
In this embodiment, the diameter of the top plate 901 is 56mm, the outer diameter of the eccentric tube 902 is 41mm, the diameters of the top hole 904 on the top plate 901 and the through hole 905 on the eccentric tube 902 are 30mm, the thickness of the top plate 901 is 5mm, the length of the eccentric tube 902 is 25mm, that is, the height of the whole eccentric sleeve 9 is 30mm, the deviation M between the center line of the through hole 905 in the eccentric tube 902 and the center line of the outer contour of the eccentric tube 902 is 3mm, the width of the anti-rotation piece 903 is 20mm, and the thickness of the anti-rotation piece 903 is 3mm, in this embodiment, the center line of the through hole 905 in the eccentric tube 902 is 3mm deviated to the left as shown in fig. 3 and 4.
According to a specific embodiment, in this embodiment, the diameter of the top plate 901 is 56mm, the outer diameter of the eccentric tube 902 is 41mm, the diameters of the top hole 904 on the top plate 901 and the through hole 905 on the eccentric tube 902 are 30mm, the thickness of the top plate 901 is 5mm, the length of the eccentric tube 902 is 25mm, that is, the height of the whole eccentric sleeve 9 is 30mm, the deviation M of the center line of the through hole 905 in the eccentric tube 902 from the center line of the outer contour of the eccentric tube 902 is 3mm, the width of the anti-rotation piece 903 is 20mm, and the thickness of the anti-rotation piece 903 is 3mm, and in this embodiment, the center line of the through hole 905 in the eccentric tube 902 is 3mm deviated rightward. That is, the eccentric tube 902 at the bottom of the eccentric sleeve 9 has two offset directions, and the eccentric directions of the two eccentric sleeves 9 are opposite.
According to a specific embodiment, the diameter of the top plate 901 is 56mm, the outer diameter of the eccentric tube 902 is 42mm, the diameters of the top hole 904 on the top plate 901 and the through hole 905 on the eccentric tube 902 are 31mm, the thickness of the top plate 901 is 5mm, the length of the eccentric tube 902 is 25mm, the deviation M between the center line of the through hole 905 in the eccentric tube 902 and the center line of the outer contour of the eccentric tube 902 is 4mm, the width of the anti-rotation piece 903 is 20mm, and the thickness of the anti-rotation piece 903 is 3mm.
According to a specific embodiment, the diameter of the top plate 901 is 56mm, the outer diameter of the eccentric tube 902 is 41.5mm, the diameters of the top hole 904 on the top plate 901 and the through hole 905 on the eccentric tube 902 are 30.5mm, the thickness of the top plate 901 is 5mm, the length of the eccentric tube 902 is 25mm, the deviation M between the center line of the through hole 905 in the eccentric tube 902 and the center line of the outer contour of the eccentric tube 902 is 3.5mm, the width of the anti-rotation plate 903 is 20mm, and the thickness of the anti-rotation plate 903 is 3mm.
As a specific embodiment, in this embodiment, the cross section of the top plate 901 is a regular octagon, the top plate 901 is a regular octagon prism plate, a top hole 904 penetrating through the top plate 901 is formed in the center position of the top plate 901, and the top hole 904 is a round hole; the lower surface of the top plate 901 is connected with an eccentric tube 902, the eccentric tube 902 is a circular tube, a through hole 905 is formed in the eccentric tube 902, wherein the center line of a top hole 904 on the top plate 901 and the center line of the through hole 905 on the eccentric tube 902 are in the same straight line, namely, the diameters of the top hole 904 and the through hole 905 are the same, and the circle centers are in the same straight line. The anti-rotation piece 903 is welded on the edge of the top plate 901, the upper surface of the anti-rotation piece 903 is parallel to the upper surface of the top plate 901, the anti-rotation piece 903 can be bent and attached to the base plate 1 to fix the eccentric sleeve 9, an inner chamfer 906 is formed on the upper edge of the top hole 904 of the top plate 901, and an outer chamfer 907 is formed at the outer contour of the bottom end of the eccentric tube 902.
As a specific embodiment, in this embodiment, the cross section of the top plate 901 is a regular hexagon, the top plate 901 is a regular hexagonal prism plate, a top hole 904 penetrating through the top plate 901 is formed in the center position of the top plate 901, and the top hole 904 is a round hole; the lower surface of the top plate 901 is connected with an eccentric tube 902, the eccentric tube is a circular tube, a through hole 905 is formed in the eccentric tube 902, wherein the center line of a top hole 904 on the top plate 901 and the center line of the through hole 905 on the eccentric tube 902 are in the same straight line, namely, the diameters of the top hole 904 and the through hole 905 are the same, and the circle centers are in the same straight line. The anti-rotation piece 903 is welded on the edge of the top plate 901, the upper surface of the anti-rotation piece 903 is parallel to the upper surface of the top plate 901, the anti-rotation piece 903 can be bent and attached to the base plate 1 to fix the eccentric sleeve 9, an inner chamfer 906 is formed on the upper edge of the top hole 904 of the top plate 901, and an outer chamfer 907 is formed at the outer contour of the bottom end of the eccentric tube 902.
As a specific embodiment, unlike the above two embodiments, the top plate 901 has a rectangular cross section, and the rotation preventing piece 903 is welded to one side surface of the top plate 901.
As a specific embodiment, unlike the above three embodiments, the top plate 901 has an elliptical cross section, and the rotation preventing piece 903 is welded to the outer side surface of the top plate 901.
When track gauge expansion occurs on the prior turnout, the turnout sleeper bolt 10 and the nylon buffer sleeve are dismounted on the basis of the prior turnout, then the eccentric sleeve 9 is inserted into the mounting holes on two sides of the base plate 1, the inner diameter of the mounting holes is identical to the outer diameter of the eccentric tube 902 on the eccentric sleeve 9, the lower surface of the top plate 901 is attached to the upper surface of the base plate 1, at the moment, the center line of the mounting holes is on the same straight line with the center line of the outer contour of the eccentric tube 902, the center line of the through hole 905 in the eccentric tube 9 deviates from the center line of the mounting holes by a certain distance, the specific deviation distance is 3mm, the diameter of the turnout sleeper bolt 10 is identical to the diameter of the through hole 905, and after the turnout sleeper bolt 10 is inserted into the eccentric sleeve 9, the center line of the turnout sleeper bolt 10 deviates from the center line of the mounting holes by 3mm, namely the center line of the original turnout sleeper bolt 10 deviates from the current center line of the turnout sleeper bolt 10 by 3mm, and the whole base plate 1 is driven to move by 3mm. It should be noted that the specifications of the eccentric sleeve 9 on the stock rail 3 side and the eccentric sleeve 9 on the switch rail 4 side are the same, so that when the tie bolt 10 on the stock rail 3 side is shifted 3mm to the right, the tie bolt 10 on the switch rail 4 side is also shifted 3mm to the right, which drives the tie plate 1 to shift 3mm to the right as a whole, i.e., the shift directions of the tie bolt 10 on the stock rail 3 side and the tie bolt 10 on the switch rail 4 side are the same. Then, as shown in fig. 2, the anti-rotation piece 903 is bent by a tool such as a hammer, so that the anti-rotation piece 903 is bent by ninety degrees, the right-angle surface of the anti-rotation piece 903 is tightly attached to the base plate 1, the eccentric sleeve 9 is retained, the eccentric sleeve 9 is not rotated any more, and the turnout sleeper bolt 10 is always shifted to the right by 3mm.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. An eccentric sleeve for solving the problem of out-of-tolerance of track gauge of an on-line turnout, comprising: a top plate (901), wherein a top hole (904) penetrating through the top plate (901) is formed in the center of the top plate (901), and the top hole (904) is a round hole;
the eccentric sleeve further comprises an eccentric tube (902) connected to the lower surface of the top plate (901), the eccentric tube is a circular tube, and a through hole (905) is formed in the eccentric tube (902);
the eccentric sleeve further comprises an anti-rotation piece (903) connected to the outer side face of the top plate (901), the upper surface of the anti-rotation piece (903) is parallel to the upper surface of the top plate (901), and the anti-rotation piece (903) can be folded and attached to the backing plate to fix the eccentric sleeve;
the center line of the round hole on the top plate (901) and the center line of the through hole (905) on the eccentric pipe (902) are in the same straight line, and the center line of the through hole (905) in the eccentric pipe (902) is deviated from the center line of the outer contour of the eccentric pipe (902).
2. An eccentric sleeve for solving the problem of on-line switch gauge deviation according to claim 1, characterized in that the cross section of the top plate (901) is any one of rectangle, regular polygon and circle.
3. An eccentric sleeve for solving the problem of out-of-track of an on-line switch as in claim 2, wherein the cross section of the top plate (901) is circular, the top plate (901) is disc-shaped, and the anti-rotation piece (903) is connected to the outer side surface of the top plate (901).
4. An eccentric sleeve for solving the problem of on-line switch gauge deviation according to claim 2, characterized in that the cross section of the top plate (901) is regular octagon, the top plate (901) is regular octagon prism plate, and the anti-rotation piece (903) is connected to the edge of the top plate (901).
5. An eccentric sleeve for solving an on-line switch gauge deviation as claimed in claim 2, wherein the cross section of the top plate (901) is rectangular, and the anti-rotation piece (903) is connected to one side of the top plate (901).
6. An eccentric sleeve for solving the problem of out-of-track of an on-line switch as in claim 2, wherein the cross section of the top plate (901) is regular hexagon, the top plate (901) is regular hexagonal prism plate, and the anti-rotation piece (903) is connected to the edge of the top plate (901).
7. An eccentric sleeve for resolving an on-line switch gauge out of tolerance according to any one of claims 1-6, characterized in that the upper edge of the upper top hole (904) of the top plate (901) is formed with an inner chamfer (906).
8. An eccentric sleeve for solving the problem of out-of-track turnout gauges on line according to any of claims 1-6, characterized in that an outer chamfer (907) is formed at the outer contour of the bottom end of the eccentric tube (902).
9. An eccentric sleeve for resolving an on-line switch gauge out of tolerance according to any of claims 1-6, characterized in that said top plate (901) and said eccentric tube (902) are of an integrally formed construction.
10. An eccentric sleeve for resolving an on-line switch gauge out of tolerance according to any of claims 1-6, characterized in that said anti-rotation tab (903) is welded to said top plate (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320771790.8U CN219908394U (en) | 2023-04-10 | 2023-04-10 | Eccentric sleeve for solving out-of-tolerance of track gauge of on-line turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320771790.8U CN219908394U (en) | 2023-04-10 | 2023-04-10 | Eccentric sleeve for solving out-of-tolerance of track gauge of on-line turnout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219908394U true CN219908394U (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320771790.8U Active CN219908394U (en) | 2023-04-10 | 2023-04-10 | Eccentric sleeve for solving out-of-tolerance of track gauge of on-line turnout |
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| CN (1) | CN219908394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119843521A (en) * | 2025-03-18 | 2025-04-18 | 铁科（北京）轨道装备技术有限公司 | Switch roller device and switch |
-
2023
- 2023-04-10 CN CN202320771790.8U patent/CN219908394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119843521A (en) * | 2025-03-18 | 2025-04-18 | 铁科（北京）轨道装备技术有限公司 | Switch roller device and switch |
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