CN114275000B - Rail working equipment - Google Patents
Rail working equipment Download PDFInfo
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- CN114275000B CN114275000B CN202111672221.XA CN202111672221A CN114275000B CN 114275000 B CN114275000 B CN 114275000B CN 202111672221 A CN202111672221 A CN 202111672221A CN 114275000 B CN114275000 B CN 114275000B
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- vehicle body
- wheel
- track
- reference wheel
- wheels
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses track operation equipment which comprises a car body, track rollers, reference wheels and elastic pieces, wherein the car body is provided with a base plate, the reference wheels are arranged on the base plate, and the elastic pieces are arranged on the base plate: the track rollers are multiple and are respectively arranged at two sides of the bottom of the vehicle body; the reference wheels are provided with at least two wheels which are respectively arranged at two sides of the bottom of the vehicle body, and the rotation axes of the reference wheels are vertically arranged, so that the wheel surfaces of the reference wheels positioned at two sides of the vehicle body can be respectively attached to the inner side surfaces of the two rails or the outer side surfaces of the two rails; the reference wheel is movably arranged on the vehicle body, and the reference wheel movably arranged on the vehicle body can generate motion vertical to the traveling direction of the vehicle body relative to the vehicle body; the elastic piece is connected with the reference wheel movably arranged on the vehicle body and is used for providing elastic restoring force for enabling the reference wheel to be pressed and attached to the track. The invention provides track operation equipment which can realize the positioning of a car body on a track, further improve the precision during operation and alleviate the problem of blocking during the running of the track operation equipment.
Description
Technical Field
The invention relates to the technical field of track operation, in particular to track operation equipment.
Background
In the related art, the track operation equipment walks on the track through the track roller at the bottom of the car body and supports the track operation equipment on the tracks at two sides, however, the track roller easily moves left and right on the track, so that when the track operation equipment operates, the operation accuracy is easily affected, and the operation effect is further affected. Moreover, as the flange is usually arranged at the edge of the rail roller, when the rail roller moves left and right on the rail, frequent scratch and rubbing between the rail roller and the rail is easy to occur, and further, the rail operation equipment is not smooth in blocking during running.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the track operation equipment which can realize the positioning of the car body on the track, further improve the operation precision of the track operation equipment and reduce the problem of blocking when the track operation equipment moves.
According to an embodiment of the invention, a track operation device comprises a vehicle body, a track roller, a reference wheel and an elastic piece: the track rollers are provided with a plurality of track rollers which are respectively arranged at two sides of the bottom of the vehicle body so as to support the vehicle body on two parallel tracks and enable the vehicle body to walk along the tracks; the reference wheels are provided with at least two wheels which are respectively arranged at two sides of the bottom of the vehicle body, and the rotation axes of the reference wheels are vertically arranged, so that the wheel surfaces of the reference wheels positioned at two sides of the vehicle body can be respectively attached to the inner side surfaces of the two rails or the outer side surfaces of the two rails; the reference wheel is movably arranged on the vehicle body, and the reference wheel movably arranged on the vehicle body can generate motion vertical to the traveling direction of the vehicle body relative to the vehicle body; the elastic piece is connected with the reference wheel movably arranged on the vehicle body and is used for providing elastic restoring force for enabling the reference wheel to be pressed and attached to the track.
The track operation equipment provided by the embodiment of the invention has at least the following beneficial effects:
According to the invention, the reference wheels are arranged on two sides of the bottom of the vehicle body and are simultaneously attached to the inner side surfaces or the outer side surfaces of the two rails, so that the positioning of the vehicle body on the rails can be realized, the problem that the operation precision is affected due to left and right movement of the rail rollers when the vehicle body runs on the rails is avoided, and the problem of unsmooth rubbing of the rail rollers and the rails can be avoided; meanwhile, as at least the reference wheel on one side of the vehicle body is movably arranged, and can move vertically to the traveling direction of the vehicle body relative to the vehicle body, and the movably arranged reference wheel is tightly attached to the rails through the elastic piece, even if the rails have manufacturing and mounting errors and the distance between the two rails changes within a certain range, the reference wheels on two sides of the vehicle body can be continuously attached to the two rails all the time, so that the positioning effect of the vehicle body on the rails is improved, and the accuracy of the operation of the rail operation equipment is further improved.
The track operation equipment according to some embodiments of the invention further comprises a reference wheel installation module, wherein the reference wheel installation module comprises a connecting block and a wheel shaft, the wheel shaft is arranged on the connecting block in a lifting mode, and the reference wheel is rotatably arranged at the lower end of the wheel shaft.
According to some embodiments of the present invention, the connection block is provided with an anti-rotation structure for preventing rotation of the wheel shaft.
According to some embodiments of the track operation device, the anti-rotation structure is a limiting block connected to the connecting block, a first limiting surface is arranged on the side surface of the wheel shaft, and a second limiting surface matched with the first limiting surface is arranged on the limiting block.
According to some embodiments of the track working device, the limit block is movably provided with an indexing pin, and the side surface of the wheel shaft is provided with a plurality of pin holes matched with the indexing pin.
According to some embodiments of the present invention, the connecting block is provided with a bushing, and the axle is liftably inserted into the bushing.
According to some embodiments of the present invention, the reference wheel mounting module is divided into a fixed reference wheel mounting module and a movable reference wheel mounting module, which are respectively provided at both sides of the vehicle body; the connecting blocks in the fixed reference wheel mounting modules are fixedly connected to the vehicle body, and the connecting blocks in the movable reference wheel mounting modules are rotatably arranged relative to the vehicle body, so that the reference wheels connected to the movable reference wheel mounting modules can move relative to the vehicle body.
According to some embodiments of the present invention, the movable reference wheel mounting module further includes a fixing block fixed to the vehicle body, and the connection block in the movable reference wheel mounting module is provided with a rotation shaft portion and is rotatably connected to the fixing block through the rotation shaft portion.
According to some embodiments of the invention, the connecting block in the movable reference wheel mounting module comprises a mounting arm part and a driving arm part which are positioned at two sides of the rotating shaft part, the wheel shaft is arranged on the mounting arm part, and the driving arm part is connected with the elastic part.
According to some embodiments of the present invention, the elastic member is a nitrogen spring, and two ends of the nitrogen spring are respectively connected to the driving arm and the vehicle body.
The track operation equipment according to some embodiments of the invention further comprises auxiliary wheel modules arranged below the car body, wherein the auxiliary wheel modules are positioned at the front side and/or the rear side of the running direction of the track roller, each auxiliary wheel module comprises at least one auxiliary wheel, and the bottom of the wheel surface of each auxiliary wheel is level with the bottom of the wheel surface of the track roller.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a track working apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection structure of the movable reference wheel mounting module shown in FIG. 1 with the reference wheel and the elastic member;
FIG. 3 is a schematic view of the connection of the stationary reference wheel mounting module shown in FIG. 1 to a reference wheel;
Fig. 4 is an exploded structural view of the auxiliary wheel module 500 shown in fig. 1.
Description of the drawings:
The vehicle body 100, the rail roller 200, the reference wheel 300, the fixed reference wheel mounting module 400a, the movable reference wheel mounting module 400b, the fixed block 410, the connection block 420, the rotation shaft portion 421, the mounting arm portion 422, the driving arm portion 423, the wheel shaft 430, the first stopper surface 431, the pin hole 432, the stopper 440, the index pin 450, the bushing 460, the auxiliary wheel module 500, the auxiliary wheel 510, and the elastic member 600.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, left, right, front, rear, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The track working apparatus according to the embodiment of the present invention is described below with reference to fig. 1 to 4.
Referring to fig. 1 to 3, the rail working apparatus of the present embodiment includes a vehicle body 100, rail rollers 200, a reference wheel 300, and an elastic member 600. The rail rollers 200 are provided in plurality and are separately provided at both sides of the bottom of the vehicle body 100 to support the vehicle body 100 on two parallel rails and enable the vehicle body 100 to travel along the rails; the reference wheels 300 are provided with at least two wheels which are respectively arranged at two sides of the bottom of the vehicle body 100, and the rotation axes of the reference wheels 300 are vertically arranged so that the wheel faces of the reference wheels 300 positioned at two sides of the vehicle body 100 can be respectively attached to the inner side faces of the two tracks or attached to the outer side faces of the two tracks; wherein, at least the reference wheel 300 positioned on one side of the vehicle body 100 is movably arranged on the vehicle body 100, and the reference wheel 300 movably arranged on the vehicle body 100 can generate motion vertical to the traveling direction of the vehicle body 100 relative to the vehicle body 100; the elastic member 600 connects the reference wheel 300 movably provided to the vehicle body 100 and the vehicle body 100, and serves to provide an elastic restoring force for pressing the reference wheel 300 against the rail.
It should be understood that, by arranging the reference wheels 300 on two sides of the bottom of the vehicle body 100 and attaching the reference wheels 300 to the inner side surfaces or the outer side surfaces of two rails at the same time, the positioning of the vehicle body 100 on the rails can be realized, so that the problem that the operation precision is affected due to left-right movement of the rail rollers 200 when the vehicle body 100 runs on the rails is avoided, and the problem that the rail rollers 200 and rails scratch and scratch is avoided; meanwhile, since at least the reference wheel 300 positioned at one side of the vehicle body 100 is movably arranged and can move relative to the vehicle body 100 in the traveling direction perpendicular to the vehicle body 100, and the movably arranged reference wheel 300 is tightly attached to the rail through the elastic member 600, even if the rail has manufacturing and mounting errors and the distance between the two rails changes within a certain range, the reference wheels 300 positioned at two sides of the vehicle body 100 can always keep continuous attachment with the two rails under the action of the elastic member 600, thereby improving the positioning effect of the vehicle body 100 on the rails and further improving the accuracy of the operation of the rail operation equipment.
It will be appreciated that in this embodiment, in order to reduce the overall size of the track work device in a direction perpendicular to the direction of travel, the reference wheel 300 is disposed inboard of the track roller 200, and the reference wheel 300 is configured to engage the inboard side of the track, where inboard herein refers to a direction relatively closer to the middle of the vehicle body 100. It should be appreciated that in other embodiments, reference wheel 300 may alternatively be positioned outside of rail roller 200, thereby enabling reference wheel 300 to engage the outer side of the rail.
Referring to fig. 2 and 3, it will be appreciated that in this embodiment, to effect the mounting of the reference wheel 300, the track work apparatus further includes a reference wheel mounting module; the reference wheel mounting module comprises a connecting block 420 and an axle 430, wherein the axle 430 is arranged on the connecting block 420 in a lifting manner, and the reference wheel 300 is rotatably arranged at the lower end of the axle 430; by arranging the liftable wheel axle 430, the reference wheel 300 can be retracted or put down, when the reference wheel 300 is in the put down state, the reference wheel 300 can be attached to the side surface of the track for positioning, and when the track operation equipment is moved away from the track, the reference wheel 300 can be retracted, so that the reference wheel 300 is prevented from being damaged due to contact with the ground.
Referring to fig. 2 and 3, it can be appreciated that in the present embodiment, specifically, the connection block 420 is provided with a bushing 460, and the axle 430 is inserted into the bushing 460, so as to facilitate lifting and lowering of the axle 430.
It can be appreciated that the connection block 420 is provided with an anti-rotation structure for preventing the rotation of the wheel axle 430, so as to prevent the rotation of the wheel axle 430 from affecting the fitting and positioning of the reference wheel 300 and the side surface of the track.
Referring to fig. 2 and 3, in the present embodiment, the anti-rotation structure is specifically a stopper 440 connected to the connection block 420, a first limiting surface 431 is provided on a side surface of the axle 430, and a second limiting surface matched with the first limiting surface 431 is provided on the stopper 440, so that the first limiting surface 431 is blocked by the second limiting surface to realize anti-rotation of the axle 430.
It should be understood that, in addition to the above-mentioned manner of selectively adopting the limiting block 440, the first limiting surface 431 and the second limiting surface to implement the rotation prevention, in other embodiments, the rotation prevention structure may be alternatively configured as other rotation prevention structures such as a compression bolt connected to the connection block 420, which is not limited herein; for example, when the anti-rotation structure employs a compression bolt, a compression fixing hole may be provided on the wheel shaft 430, so that anti-rotation is achieved by screwing the compression bolt and allowing the compression bolt to enter the compression fixing hole.
Referring to fig. 2 and 3, it can be understood that, in order to fix the axle 430 when the reference wheel 300 is retracted and lowered, the limiting block 440 is movably provided with an indexing pin 450, and the side surface of the axle 430 is provided with a plurality of pin holes 432 matched with the indexing pin 450; specifically, the pin holes 432 may be provided in two, and distributed on the first limiting surface 431 in the up-down direction, when the index pin 450 is engaged with the pin hole 432 located above, the reference wheel 300 is in the lowered state, and when the index pin 450 is engaged with the pin hole 432 located below, the reference wheel 300 is in the retracted state; when it is necessary to switch the retracted or lowered state of the reference wheel 300, the index pin 450 may be pulled out of the pin hole 432 engaged therewith, and then the wheel shaft 430 may be pushed so that the other pin hole 432 is aligned with the index pin 450, and then the index pin 450 may be pushed into the other pin hole 432.
Referring to fig. 1 to 3, it can be understood that in the present embodiment, the movably disposed reference wheel 300 is employed on one side of the vehicle body 100 so as to enable movement perpendicular to the traveling direction with respect to the vehicle body 100, and the reference wheel 300 is fixedly disposed with respect to the vehicle body 100 in a direction perpendicular to the traveling direction of the vehicle body 100 is employed on the other side of the vehicle body 100, so that the position of the vehicle body 100 in the width direction of the track can be kept unchanged with respect to the track to which the fixedly disposed reference wheel 300 is attached during traveling, that is, one of the tracks can be always used as the reference track during operation, and thus the accuracy of the track operation device during operation can be improved.
It should be appreciated that in other embodiments, the movably disposed reference wheel 300 described above may be employed on both of the bodies 100, as the case may be.
Referring to fig. 1 to 3, in the present embodiment, specifically, in order to achieve the above-described two types of mounting of the reference wheel 300, as such, the reference wheel mounting modules are divided into a fixed reference wheel mounting module 400a and a movable reference wheel mounting module 400b, the fixed reference wheel mounting module 400a and the movable reference wheel mounting module 400b being provided on both sides of the vehicle body 100, respectively; the connection block 420 in the fixed reference wheel mounting module 400a is fixedly connected to the vehicle body 100, and the connection block 420 in the movable reference wheel mounting module 400b is rotatably disposed with respect to the vehicle body 100, so that the reference wheel 300 connected to the movable reference wheel mounting module 400b can rotate with respect to the vehicle body 100, thereby generating a motion component perpendicular to the advancing direction of the vehicle body 100, so that both side reference wheels 300 can be respectively attached to two rails under the elastic pressure of the elastic member 600 even when the width of the rails is changed.
Also, referring to fig. 3, in the present embodiment, specifically, the movable reference wheel mounting module 400b further includes a fixed block 410, the fixed block 410 is fixed to the vehicle body 100, and the connection block 420 in the movable reference wheel mounting module 400b is provided with a rotation shaft portion 421 and is rotatably connected to the fixed block 410 through the rotation shaft portion 421, so that the connection block 420 can swing the reference wheel 300 provided thereon with the rotation shaft portion 421 as a center. Meanwhile, in the present embodiment, specifically, the connection block 420 in the movable reference wheel mounting module 400b includes a mounting arm 422 and a driving arm 423 located at both sides of the rotation shaft 421, the wheel shaft 430 is disposed at the mounting arm 422, and the driving arm 423 is connected to the elastic member 600; so that when the width between the two rails becomes wider, the elastic member 600 can resume elastic deformation, thereby pushing the driving arm portion 423 to rotate around the shaft portion 421, and at the same time, the mounting arm portion 422 will rotate together with the driving arm portion 423, thereby keeping the reference wheel 300 in abutment with the rails; when the width between the two rails is narrowed, the mounting arm 422 will rotate toward the inside of the vehicle body 100 under rail compression, while the driving arm 423 will follow and thereby adapt the elastic member 600 to the corresponding deformation, for example, when the elastic member 600 is a nitrogen spring or a compression spring, the elastic member 600 is further compressed, and when the elastic member 600 is an extension spring or an elastic cord, the elastic member 600 is further stretched.
It is understood that in the present embodiment, specifically, the elastic member 600 is a nitrogen spring, and both ends of the nitrogen spring are connected to the driving arm portion 423 and the vehicle body 100, respectively. It should be understood that in some embodiments, other than nitrogen springs may be employed. The elastic member 600 may alternatively employ other types of elastic members 600 such as the compression springs, the tension springs, and the elastic cord mentioned above, and is not particularly limited herein, as long as it can deform to accommodate the track width variation and provide an elastic restoring force that allows the reference wheel 300 to fit the track.
Referring to fig. 1 and 4, when a pit or the like is formed on the upper surface of the rail, the wheels running on the pit are sunk, resulting in a phenomenon that the running of the rail car is unstable, thereby affecting the accuracy of the operation of the rail operation device.
In this embodiment, specifically, two rail rollers 200 are disposed on both sides of the vehicle body 100, and similarly, two auxiliary wheel modules 500 (the auxiliary wheel modules 500 on one side of the vehicle body are hidden in fig. 1 to avoid shielding the rail rollers 200 and affecting the display of the rail rollers 200) are disposed on both sides of the vehicle body 100, and one of the auxiliary wheel modules 500 is located on the front side of the front rail roller 200 and the other auxiliary wheel module 500 is located on the rear side of the rear rail roller 200.
Referring to fig. 1, in the present embodiment, specifically, two fixed reference wheel mounting modules 400a and two reference wheels 300 respectively disposed on the two fixed reference wheel mounting modules 400a are disposed on one side of the vehicle body 100 corresponding to two rail rollers 200, and two movable reference wheel mounting modules 400b and two other reference wheels 300 respectively disposed on the two movable reference wheel 300 modules are disposed on the other side of the vehicle body 100 corresponding to the other two rail rollers 200.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A track working apparatus, comprising:
A vehicle body;
the track rollers are provided with a plurality of track rollers which are respectively arranged at two sides of the bottom of the car body so as to support the car body on two parallel tracks and enable the car body to walk along the tracks;
the reference wheels are provided with at least two wheels which are respectively arranged at two sides of the bottom of the vehicle body, and the rotation axes of the reference wheels are vertically arranged, so that the wheel surfaces of the reference wheels positioned at two sides of the vehicle body can be respectively attached to the inner side surfaces of the two tracks or attached to the outer side surfaces of the two tracks; wherein, at least the reference wheel at one side of the vehicle body is movably arranged on the vehicle body, and the reference wheel movably arranged on the vehicle body can generate motion vertical to the traveling direction of the vehicle body relative to the vehicle body;
An elastic member connecting the reference wheel movably disposed on the vehicle body and the vehicle body, and providing an elastic restoring force for pressing and fitting the reference wheel to the rail;
And
The track operation equipment further comprises a reference wheel mounting module, wherein the reference wheel mounting module comprises a connecting block and a wheel shaft, the wheel shaft is arranged on the connecting block in a lifting manner, and the reference wheel is rotatably arranged at the lower end of the wheel shaft;
The reference wheel mounting module is divided into a fixed reference wheel mounting module and a movable reference wheel mounting module, and the fixed reference wheel mounting module and the movable reference wheel mounting module are respectively arranged on two sides of the vehicle body; the connecting blocks in the fixed reference wheel mounting modules are fixedly connected to the vehicle body, and the connecting blocks in the movable reference wheel mounting modules are rotatably arranged relative to the vehicle body so that the reference wheels connected to the movable reference wheel mounting modules can move relative to the vehicle body;
the movable reference wheel mounting module further comprises a fixed block, the fixed block is fixed on the vehicle body, and the connecting block in the movable reference wheel mounting module is provided with a rotating shaft part and is rotationally connected with the fixed block through the rotating shaft part;
The connecting block in the movable reference wheel mounting module comprises mounting arm parts and driving arm parts which are positioned at two sides of the rotating shaft part, the wheel shaft is arranged on the mounting arm parts, and the driving arm parts are connected with the elastic parts;
The track operation equipment further comprises auxiliary wheel modules arranged below the car body, the auxiliary wheel modules are located at the front side and/or the rear side of the running direction of the track rollers, each auxiliary wheel module comprises at least one auxiliary wheel, and the bottom of the wheel surface of each auxiliary wheel is level with the bottom of the wheel surface of each track roller.
2. A track working unit according to claim 1, wherein the connection block is provided with anti-rotation means for preventing rotation of the axle.
3. The track working device according to claim 2, wherein the anti-rotation structure is a limiting block connected to the connecting block, a first limiting surface is arranged on the side surface of the wheel shaft, and a second limiting surface matched with the first limiting surface is arranged on the limiting block.
4. A track working device according to claim 3, wherein the limit block is movably provided with an indexing pin, and the side surface of the wheel axle is provided with a plurality of pin holes matched with the indexing pin.
5. The track working machine according to claim 1, wherein the connecting block is provided with a bush, and the wheel shaft is arranged in a liftable manner through the bush.
6. The track working machine according to claim 1, wherein the elastic member is a nitrogen spring, and both ends of the nitrogen spring are respectively connected to the driving arm portion and the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111672221.XA CN114275000B (en) | 2021-12-31 | 2021-12-31 | Rail working equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111672221.XA CN114275000B (en) | 2021-12-31 | 2021-12-31 | Rail working equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114275000A CN114275000A (en) | 2022-04-05 |
| CN114275000B true CN114275000B (en) | 2024-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111672221.XA Active CN114275000B (en) | 2021-12-31 | 2021-12-31 | Rail working equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114275000B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216861453U (en) * | 2021-12-31 | 2022-07-01 | 深圳中慧轨道智能科技有限公司 | Track working equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3119349A (en) * | 1959-05-13 | 1964-01-28 | Pneuways Dev Company Private L | Track-mounted transport means or systems |
| CN106985875B (en) * | 2016-12-29 | 2019-04-19 | 比亚迪股份有限公司 | Rail vehicle and guide wheel device for rail vehicle |
| CN109204366A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Horizontal wheel assembly, bogie, rail vehicle and the Rail Transit System of bogie |
| CN208181081U (en) * | 2018-03-23 | 2018-12-04 | 比亚迪股份有限公司 | A kind of side wheel component and the track operation vehicle with it |
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2021
- 2021-12-31 CN CN202111672221.XA patent/CN114275000B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216861453U (en) * | 2021-12-31 | 2022-07-01 | 深圳中慧轨道智能科技有限公司 | Track working equipment |
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| CN114275000A (en) | 2022-04-05 |
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