CN112026810B - Through-passage pedal structure, through-passage structure and railway vehicle - Google Patents
Through-passage pedal structure, through-passage structure and railway vehicle Download PDFInfo
- Publication number
- CN112026810B CN112026810B CN202010821274.2A CN202010821274A CN112026810B CN 112026810 B CN112026810 B CN 112026810B CN 202010821274 A CN202010821274 A CN 202010821274A CN 112026810 B CN112026810 B CN 112026810B
- Authority
- CN
- China
- Prior art keywords
- pedal
- passage
- sand
- guide groove
- sand guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention relates to the technical field of railway vehicles, and provides a through passage pedal structure, a through passage structure and a railway vehicle. The through passage pedal structure comprises an upper pedal and a lower pedal which are mutually lapped, and further comprises a wear strip, an elastic cleaning piece and a sand guide groove, wherein the wear strip is connected with the lower surface of the upper pedal and is arranged at the lapping edge close to the upper pedal; the sand guide groove is arranged on the upper surface of the lower pedal and is arranged at the position close to the overlapping edge of the upper pedal; the elastic cleaning piece is connected with the lower surface of the upper pedal and arranged between the abrasion strip and the sand guide groove. The through passage pedal structure can effectively reduce the influence of external wind sand on the abrasion strip, thereby greatly prolonging the service life of the abrasion strip and being particularly suitable for being used in a wind sand environment.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a through passage pedal structure, a through passage structure and a railway vehicle.
Background
At present, a through-passage pedal structure used for a railway vehicle is generally provided with a wear strip between an upper pedal and a lower pedal, and when the vehicle moves in a workshop, the movement between the upper pedal and the lower pedal is transmitted through the wear strip, so that the wear strip is a vulnerable and consumable part. The service life of the abrasion strip in the existing through passage pedal structure is about six years generally, however, under some extreme working conditions, particularly under the environment of wind sand, the abrasion of the abrasion strip is aggravated by the occurrence of the wind sand, and the service life of the abrasion strip is shortened seriously.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides a through passage pedal structure which can effectively prevent foreign impurities such as gravel and the like in a wind and sand environment from influencing the abrasion strip and prolong the service life of the abrasion strip.
The invention also provides a through passage structure.
The invention further provides the railway vehicle.
The through passage pedal structure according to the embodiment of the first aspect of the present invention includes an upper pedal and a lower pedal that are overlapped with each other, and further includes:
the wearing strip is connected with the lower surface of the upper pedal and is arranged close to the lap joint edge of the upper pedal;
the sand guide groove is arranged on the upper surface of the lower pedal and is arranged close to the lap joint edge of the upper pedal;
the elastic cleaning piece is connected with the lower surface of the upper pedal, and the elastic cleaning piece is arranged between the abrasion strip and the sand guide groove.
According to an embodiment of the invention, a plurality of sand leaking holes are arranged inside the sand guide groove, the plurality of sand leaking holes are respectively arranged at intervals along the length direction of the sand guide groove, and each sand leaking hole respectively penetrates through the lower pedal.
According to one embodiment of the invention, the wearing strip extends along the length direction of the upper pedal; the elastic cleaning piece extends along the length direction of the upper pedal; the sand guide groove extends along the length direction of the lower pedal; the wearing strip, the elastic cleaning piece and the sand guide groove are parallel to each other.
According to one embodiment of the invention, the elastic sweeping member is an elastic brush or an elastic felt.
According to an embodiment of the present invention, the elastic cleaning member is adhered to the upper step plate, or the elastic cleaning member is connected to the upper step plate by a connecting member.
According to one embodiment of the invention, the wear strip is connected to the upper deck by fasteners.
According to one embodiment of the invention, the length of the elastic sweeping member is greater than the length of the wear strip; the height of the elastic sweeping piece is greater than that of the wearing strip.
According to one embodiment of the invention, the sand guide groove has the same length as the lower step.
According to one embodiment of the invention, the sand guide grooves are provided in plurality, the plurality of sand guide grooves are arranged at intervals along the width direction of the lower pedal, and the sand guide grooves are parallel to each other.
The through passage structure according to the second aspect of the present invention includes the through passage step structure of the above embodiment.
The rail vehicle according to the third aspect of the present invention includes the through passage structure of the above embodiment.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
according to the through passage pedal structure provided by the embodiment of the invention, the wearing strip is arranged on the lower surface of the upper pedal, the sand guide groove is arranged on the upper surface of the lower pedal, the elastic cleaning piece is arranged on the lower surface of the upper pedal, the elastic cleaning piece is positioned between the wearing strip and the sand guide groove, when outside sand and gravel are brought to the through passage pedal structure by a person shoe belt, the sand guide groove is contacted with the shoe, the sand and gravel can naturally fall into the sand guide groove, when sand and gravel cross the sand guide groove, the elastic cleaning piece positioned on the outer side of the wearing strip of the upper pedal is contacted firstly, and the elastic cleaning piece can sweep the sand and gravel into the sand guide groove along with the natural movement of a vehicle, so that the sand and the wearing strip are effectively prevented from being contacted. Therefore, the through passage pedal structure provided by the embodiment of the invention can effectively reduce the influence of external wind and sand on the abrasion strip, thereby greatly prolonging the service life of the abrasion strip and enabling the through passage pedal structure to be particularly suitable for being used under extreme working conditions (particularly in a wind and sand environment).
The through passage structure of the embodiment of the invention comprises the through passage pedal structure of the embodiment. Due to the fact that the through passage pedal structure is arranged on the through passage structure, the through passage structure has all advantages of the through passage pedal structure, and usability of the through passage structure is improved.
The railway vehicle provided by the embodiment of the invention comprises the through passage structure provided by the embodiment. Due to the fact that the through passage structure is arranged on the rail vehicle, the rail vehicle has all the advantages of the through passage structure, and the using performance of the rail vehicle is improved.
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
FIG. 1 is a front view of a through passage deck structure provided in an embodiment of the present invention;
FIG. 2 is an enlarged structural view taken at A in FIG. 1;
FIG. 3 is an isometric view of a through passage deck configuration provided by an embodiment of the present invention;
FIG. 4 is an enlarged structural view at B in FIG. 3;
fig. 5 is a schematic diagram of a through passage structure according to an embodiment of the present invention.
Reference numerals:
1: an upper pedal; 11: a first upper pedal; 12: a second upper pedal; 101: overlapping edges;
2: a lower pedal; 21: a first lower pedal; 22: a second lower pedal;
3: abrasion strips; 4: an elastic cleaning member; 5: a sand guide groove; 6: a sand leakage hole; 7: a through passage body; 8: through-passage pedal structure.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 4, an embodiment of the present invention provides a through passage pedal structure, which includes an upper pedal 1 and a lower pedal 2, wherein one side of the upper pedal 1 is overlapped on the lower pedal 2. The through passage pedal structure also comprises a wearing strip 3, an elastic cleaning piece 4 and a sand guide groove 5.
Wherein the wear strip 3 is connected to the lower surface of the upper step 1, and the wear strip 3 is disposed at a position close to the overlapping edge 101 of the upper step 1. That is, the wear strip 3 acts as a primary carrier between the upper pedal 1 and the lower pedal 2 during operation of the vehicle, such that the upper pedal 1 makes overlapping contact with the lower pedal 2 via the wear strip 3.
Wherein the sand guide groove 5 is provided on the upper surface of the lower step plate 2, and the sand guide groove 5 is provided at a position close to the overlapping edge 101 of the upper step plate 1.
Wherein, elasticity cleans piece 4 and is long structure, and elasticity cleans piece 4 and links to each other with the lower surface of last footboard 1 to elasticity cleans piece 4 and sets up between wearing and tearing strip 3 and sand guide groove 5, promptly, elasticity cleans piece 4 and is located the outside of wearing and tearing strip 3. Here, the elastic cleaning member 4 may be provided on the lower surface of the upper step plate 1 at the overlapping edge 101 such that the outer end surface of the elastic cleaning member 4 is flush with the end surface of the overlapping edge 101. By providing the elastic cleaning element 4 on the outer side of the wear strip 3, it is possible to clean the gravel falling on the through passage pedal structure, and prevent the gravel from contacting the wear strip 3. The elastic cleaning element 4 mainly serves to clean gravel and thus does not support the contact between the upper pedal 1 and the lower pedal 2.
Because the sand guide groove 5 is close to the elastic cleaning piece 4, sand can be swept into the sand guide groove 5 through the elastic cleaning piece 4, and the sand can be collected and accommodated through the sand guide groove 5. That is, by providing the sand guide groove 5 in the lower step plate 2, it is possible to further prevent sand from contacting the wear strip 3.
When outside gravel is brought from the shoes to the pedal structure of the through passage by people, the sand guide groove 5 can be in frictional contact with the shoes, so that the gravel naturally falls into the sand guide groove 5, and the gravel is prevented from contacting the wearing strip 3. When sand crosses the sand guide groove 5, the sand can contact the elastic cleaning piece 4 of the upper pedal 1 positioned at the outer side of the wearing strip 3 firstly, and the elastic cleaning piece 4 can sweep the sand into the sand guide groove 5 along with the natural movement of the vehicle, thereby effectively preventing the sand from contacting with the wearing strip 3.
Therefore, the through passage pedal structure provided by the embodiment of the invention can effectively prevent foreign impurities such as sand and the like from influencing the wearing strip 3, so that the service life of the wearing strip 3 is greatly prolonged, and the through passage pedal structure is particularly suitable for being used under extreme working conditions (particularly under a wind and sand environment).
In some embodiments of the present invention, a plurality of sand leaking holes 6 are formed inside the sand guiding slot 5, the plurality of sand leaking holes 6 are respectively arranged along the length direction of the sand guiding slot 5 at intervals, and each sand leaking hole 6 penetrates through the lower pedal 2. Through setting up hourglass hole 6, can make the gravel that falls into in leading husky groove 5 spill through leaking hourglass hole 6 to carry out automatic clearance to the gravel in leading husky groove 5, further reduced the possibility of the gravel in leading husky groove 5 and wearing and tearing strip 3 contact.
In this embodiment, the sand guide groove 5 has a circular arc-shaped cross section, so that sand on the lower pedal 2 can slide into the sand guide groove 5. Of course, the cross-sectional shape of the sand guide groove 5 can be set arbitrarily according to the actual use requirement, and for example, a V-shape, a rectangle or a trapezoid with a large top and a small bottom can be adopted.
In this embodiment, the sand leakage holes 6 are oblong holes, and the length extension direction of the oblong holes is consistent with the length extension direction of the sand guide groove 5, so that sand in the sand guide groove 5 can be conveniently leaked from the sand leakage holes 6. Of course, the shape of the sand leakage hole 6 can be set arbitrarily according to the actual use requirement, for example, a round hole, an elliptical hole or a square hole can also be adopted.
Specifically, an angle formed between the opening side of the sand guide groove 5 and the upper surface of the lower pedal 2 is blunted, thereby preventing the wear bar 3 from being worn when contacting the sand guide groove 5.
Specifically, one or more sand guide grooves 5 may be provided on the lower step plate 2 according to actual use requirements.
In order to improve the sand prevention effect, the present embodiment provides a plurality of sand guide grooves 5 on the lower step 2. When a plurality of sand guide grooves 5 are provided, the sand guide grooves 5 are respectively provided at intervals in the width direction of the lower step plate 2, the sand guide grooves 5 are parallel to each other, and the sand guide grooves 5 are provided in parallel to the lap joint edge 101 of the upper step plate 1.
Specifically, according to actual use requirements, the elastic cleaning piece 4 and the wear strip 3 may be arranged at an interval, or the wear strip 3 and the elastic cleaning piece 4 may be in contact with each other on the side opposite to the sand guide groove 5.
In this embodiment, the wear strip 3 contacts with the side of the elastic cleaning piece 4 opposite to the sand guide groove 5, so that the cleaning effect of the elastic cleaning piece 4 is improved, and the gravel is effectively prevented from contacting with the wear strip 3 over the elastic cleaning piece 4.
In some embodiments of the present invention, the wear strips 3 extend along the length of the upper deck 1. The elastic cleaning element 4 extends in the longitudinal direction of the upper step 1. The sand guide groove 5 extends along the length direction of the lower pedal 2. That is, wearing strip 3, elastic cleaning piece 4 and sand guide groove 5 are parallel to each other to further improve the effect that elastic cleaning piece 4 cleaned the gravel and the effect that sand guide groove 5 collected and cleared away the gravel, and then more effectively prevent that gravel and wearing strip 3 from contacting.
In some embodiments of the present invention, the elastic sweeping part 4 may be an elastic brush or an elastic felt according to actual use requirements. Of course, the elastic cleaning element 4 may be made of other materials having elastic cleaning effect.
In some embodiments of the present invention, the elastic sweeping part 4 may be adhered to the upper pedal 1 according to actual use requirements. The elastic cleaning element 4 can also be connected to the upper pedal 1 by a connecting element. Wherein, the connecting piece can adopt a connecting bolt, a connecting screw or a connecting pin. It will be appreciated that the form of the connector is not limited to the type described above.
In some embodiments of the present invention, wear strip 3 acts as the primary carrier between upper pedal 1 and lower pedal 2 during vehicle operation, requiring that wear strip 3 be connected to upper pedal 1 by fasteners. The fastening part can be a fastening bolt, a fastening screw or a fastening pin. It should be understood that the form of the fastener is not limited to the type described above.
In some embodiments of the invention, the length of the resilient sweeping member 4 is greater than the length of the wear strip 3. The height of the elastic sweeping members 4 is greater than the height of the wear strips 3. This arrangement between the elastic cleaning element 4 and the wear strip 3 further improves the cleaning effect of the elastic cleaning element 4, thereby preventing the possibility of contact between gravel and the wear strip 3 to the maximum extent and improving the service life of the wear strip 3.
In some embodiments of the present invention, the sand guide groove 5 has the same length as the lower pedal 2, so that the sand guide groove 5 can collect and contain sand to the maximum extent, and the sand in the sand guide groove 5 can flow out of the lower pedal 2 from both ends of the sand guide groove 5, thereby preventing the sand from contacting the wear strip 3 to the maximum extent, and further improving the service life of the wear strip 3.
In the embodiment of the present invention, the upper pedal 1 includes a first upper pedal 11 and a second upper pedal 12, and the first upper pedal 11 and the second upper pedal 12 are rotatably connected. The lower pedal 2 comprises a first lower pedal 21 and a second lower pedal 22, and the first lower pedal 21 and the second lower pedal 22 are rotatably connected. Wherein one side of the second upper step 12 is overlapped on the first lower step 21. Wherein, wearing strip 3 and elastic cleaning piece 4 are all arranged on the lower surface of second upper pedal 12, and each sand guide groove 5 is arranged on the upper surface of first lower pedal 21.
As shown in fig. 5, an embodiment of the present invention further provides a through passage structure, which includes a through passage body 7 and a through passage step structure 8 disposed in the through passage body 7, where the through passage step structure 8 adopts the through passage step structure of the above-described embodiment. Due to the fact that the through passage pedal structure is arranged on the through passage structure, the through passage structure has all advantages of the through passage pedal structure, and usability of the through passage structure is improved.
The embodiment of the invention also provides a railway vehicle which comprises the through passage structure of the embodiment. Due to the fact that the through passage structure is arranged on the rail vehicle, the rail vehicle has all the advantages of the through passage structure, and the using performance of the rail vehicle is improved.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (8)
1. The utility model provides a through footboard structure, includes the last footboard and the footboard down of overlap joint each other, its characterized in that still includes:
the wearing strip is connected with the lower surface of the upper pedal and is arranged close to the lap joint edge of the upper pedal;
the sand guide grooves are formed in the upper surface of the lower pedal and are formed in the lap joint edge close to the upper pedal, a plurality of sand guide grooves are formed and are arranged at intervals along the width direction of the lower pedal, and the sand guide grooves are parallel to each other;
the elastic cleaning piece is connected with the lower surface of the upper pedal, arranged between the wearing strip and the sand guide groove and capable of sweeping sand into the sand guide groove along with the natural movement of the vehicle;
a plurality of sand leaking holes are formed in the sand guide groove, the sand leaking holes are arranged at intervals along the length direction of the sand guide groove, and the sand leaking holes penetrate through the lower pedal respectively.
2. The through passage pedal structure of claim 1, wherein the wear strip extends along a length of the upper pedal; the elastic cleaning piece extends along the length direction of the upper pedal; the sand guide groove extends along the length direction of the lower pedal; the wearing strip, the elastic cleaning piece and the sand guide groove are parallel to each other.
3. The through passage pedal structure of claim 1, wherein the elastic sweeping member is an elastic brush or an elastic felt.
4. The through passage step structure according to any one of claims 1 to 3, wherein the elastic cleaning member is bonded to the upper step plate, or the elastic cleaning member is connected to the upper step plate by a connecting member.
5. The through passage deck structure of any one of claims 1 to 3, wherein the wear strip is connected to the upper deck by a fastener.
6. The through passage pedal structure of any one of claims 1 to 3, wherein the length of the elastic sweeping piece is greater than the length of the wear strip; the height of the elastic sweeping piece is greater than that of the wearing strip; the sand guide groove is as long as the lower pedal.
7. A through passage structure, comprising: the through passage step structure according to any one of claims 1 to 6.
8. A rail vehicle, comprising: the through passage structure of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821274.2A CN112026810B (en) | 2020-08-14 | 2020-08-14 | Through-passage pedal structure, through-passage structure and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821274.2A CN112026810B (en) | 2020-08-14 | 2020-08-14 | Through-passage pedal structure, through-passage structure and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112026810A CN112026810A (en) | 2020-12-04 |
| CN112026810B true CN112026810B (en) | 2022-03-25 |
Family
ID=73577924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010821274.2A Active CN112026810B (en) | 2020-08-14 | 2020-08-14 | Through-passage pedal structure, through-passage structure and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112026810B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250021B (en) * | 2021-03-31 | 2022-09-30 | 宁夏交通建设股份有限公司 | Desert abdominal region highway sand transportation water conservancy diversion sand control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3462138B2 (en) * | 2000-02-18 | 2003-11-05 | ユニマテック株式会社 | Railcar crossover protection device |
| CN201457399U (en) * | 2009-06-23 | 2010-05-12 | 南车长江车辆有限公司 | Dust-proof center disc component of railway wagon bogie |
| CN108891433A (en) * | 2018-08-06 | 2018-11-27 | 青岛欧特美交通装备有限公司 | A kind of novel cab apron device of run-through channel |
| CN209467137U (en) * | 2019-01-17 | 2019-10-08 | 常州市百亿达尔轨道客车配件有限公司 | Run-through channel floor structure |
| CN110395280A (en) * | 2019-08-14 | 2019-11-01 | 中车青岛四方车辆研究所有限公司 | Run-through channel floor system, run-through channel and track train |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205892454U (en) * | 2016-07-11 | 2017-01-18 | 施密特电梯有限公司 | Anti -pollution toeguard of elevator layer door |
-
2020
- 2020-08-14 CN CN202010821274.2A patent/CN112026810B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3462138B2 (en) * | 2000-02-18 | 2003-11-05 | ユニマテック株式会社 | Railcar crossover protection device |
| CN201457399U (en) * | 2009-06-23 | 2010-05-12 | 南车长江车辆有限公司 | Dust-proof center disc component of railway wagon bogie |
| CN108891433A (en) * | 2018-08-06 | 2018-11-27 | 青岛欧特美交通装备有限公司 | A kind of novel cab apron device of run-through channel |
| CN209467137U (en) * | 2019-01-17 | 2019-10-08 | 常州市百亿达尔轨道客车配件有限公司 | Run-through channel floor structure |
| CN110395280A (en) * | 2019-08-14 | 2019-11-01 | 中车青岛四方车辆研究所有限公司 | Run-through channel floor system, run-through channel and track train |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112026810A (en) | 2020-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112026810B (en) | Through-passage pedal structure, through-passage structure and railway vehicle | |
| US20130341126A1 (en) | Grease Guide | |
| CA3106744C (en) | Wear-inhibiting clip for draper cleat or slat of a crop harvesting header | |
| US9562330B2 (en) | Railway rail fastening clip and pad for recessed railseats | |
| US20240090737A1 (en) | Cleaning pad | |
| CN110547725B (en) | Water tank, cleaning head and dust collector for floor brush | |
| US6094777A (en) | Suction head for floor cleaning machine | |
| CN106264327A (en) | Have tie surface lifting round brush assembly walks vacuum cleaner certainly | |
| CN1103579C (en) | Disposable dirt wipper | |
| CN210966277U (en) | Water absorption rake of cleaning device and cleaning robot with water absorption rake | |
| CN211710813U (en) | A prevent stepping on empty device for urban rail platform | |
| CN210354558U (en) | Vacuum cleaner nozzle and household vacuum cleaner comprising such a vacuum cleaner nozzle | |
| CN208919218U (en) | A kind of anti-corrosion fastening driving chain | |
| JP3225686U (en) | Two-color molding scraping mechanism | |
| JPS6335906Y2 (en) | ||
| CN218515706U (en) | Tail drags subassembly and clean module | |
| CN218929288U (en) | Combined automobile foot pad | |
| CN220832902U (en) | Prevent turn-ups and scrape strip and machine of sweeping floor | |
| CN211868797U (en) | V-shaped convex polymer walkway plate | |
| CN217896206U (en) | Dustproof maintenance-free comb plate expansion device | |
| CN218433230U (en) | Connection structure between belt feeder and baffle box | |
| CN220184206U (en) | Device is established to infiltration water drainage tank bottom plate additional | |
| CN114922060B (en) | Bridge expansion joint device and use method thereof | |
| CN219668037U (en) | Automobile foot pad made of polyurethane material | |
| CN215149953U (en) | Wear-resisting anti-oxidation plywood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |