CN114312879A - Staircase for railway hopper car and railway hopper car - Google Patents
Staircase for railway hopper car and railway hopper car Download PDFInfo
- Publication number
- CN114312879A CN114312879A CN202210038876.XA CN202210038876A CN114312879A CN 114312879 A CN114312879 A CN 114312879A CN 202210038876 A CN202210038876 A CN 202210038876A CN 114312879 A CN114312879 A CN 114312879A
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- Prior art keywords
- hopper car
- ladder
- escalator
- railway hopper
- staircase
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- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000270722 Crocodylidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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- Ladders (AREA)
Abstract
The invention discloses a staircase for a railway hopper car and the railway hopper car, comprising: ladder posts, ladder posts's both ends are connected with the railway hopper car through upper bracket and undersetting respectively, a plurality of ladders, and a plurality of ladders set up between two ladder posts, are provided with a plurality of archs on the ladder, are provided with logical groove in the arch, and this railway hopper car is with staircase adopts split type structure, conveniently dismantles the installation, increases frictional force and landing material through protruding and logical groove simultaneously, improves the safety in utilization, reduces the material and piles up the corruption to the staircase.
Description
Technical Field
The invention belongs to the technical field of railway equipment, and particularly relates to a staircase for a railway hopper car and the railway hopper car.
Background
At present, in order to facilitate the observation of the conditions in a train or the entering of the train for operation in the train, a ladder for people to climb is generally arranged between a platform at the end part of a train underframe and an upper surrounding beam at the upper part of the train. The existing escalator mainly has the following two structural forms: firstly, adopt angle steel ladder post, round steel ladder, secondly adopt rectangle ladder post, angular form ladder, ladder post lug weld on upper portion girt and chassis platform. Both of these approaches have the following disadvantages: the staircase posts of the staircase are made of angle steel, so that the comfort level of the hand holding of an operator is poor; the ladder is made of round steel or an angular ladder, so that friction force is small and the ladder is not anti-skidding when a person treads on the ladder, potential safety hazards exist, and meanwhile, the round steel or the angular ladder is weak in strength and easy to bend and deform, so that personal safety is influenced; meanwhile, leaked goods are easily accumulated on the platform at the end part of the vehicle underframe when the goods are loaded, corrosion damage is easily caused to steel parts on the platform, the ladder posts are directly located on the platform of the underframe, the lower parts of the ladder posts are easily corroded to influence the overall strength of the escalator, and meanwhile, the maintenance workload and the maintenance cost of the escalator are increased.
Disclosure of Invention
The escalator for the railway hopper car adopts a split structure, is convenient to disassemble and assemble, increases friction force and slides materials through the protrusions and the through grooves, improves use safety, and reduces corrosion of material accumulation on the escalator.
In order to achieve the above object, the present invention provides an escalator for a railroad hopper car, comprising:
the two ends of the ladder column are respectively connected with the railway hopper wagon through an upper support and a lower support;
the ladder comprises a plurality of ladder columns, a plurality of ladder steps are arranged between the two ladder columns, a plurality of protrusions are arranged on the ladder steps, and through grooves are formed in the protrusions.
Optionally, the ladder includes a support portion, reinforcing portions are disposed on two sides of the support portion, the support portion and the reinforcing portions form a U shape, and the protrusion is disposed on the support portion.
Optionally, the top of the protrusion is provided with a plurality of saw teeth, and the plurality of saw teeth are arranged on the periphery of the through groove.
Optionally, the support portion further comprises a plurality of through holes, and the through holes and the through grooves are arranged on the support portion in a staggered manner.
Optionally, the ladder post is a steel pipe, the cross section of the steel pipe is rectangular, and the supporting parts at the two ends of the ladder are provided with U-shaped grooves matched with the periphery of the steel pipe.
Optionally, a plurality of the saw teeth and the through groove are integrally formed in a punching mode.
Optionally, an opening is provided at one side of the two ends of the ladder column away from the lapping surface.
Optionally, the upper support is plate-shaped, and the lower support is L-shaped in cross section.
A railway hopper wagon comprises the escalator for the railway hopper wagon.
The invention provides a staircase for a railway hopper car, which has the beneficial effects that:
1. this staircase for railway hopper car adopts split type structure, and convenient dismantlement installation increases frictional force and landing material through protruding and logical groove simultaneously, improves the safety in utilization, reduces the material and piles up the corruption to the staircase.
2. The upper support and the lower support are matched with bolts and nuts to be installed on the railway hopper car, so that the railway hopper car has the advantages of high overall structural strength, high safety, long service life and convenience in maintenance.
3. Can just can realize increasing the purpose of staircase structure bulk strength through the structural strength who increases upper bracket and undersetting, when the staircase lower part corrosion damage, only change or reinforcement undersetting part alright resume the staircase original state, reduced staircase maintenance work load and cost.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural view of an escalator for a railway hopper car according to one embodiment of the present invention.
Figure 2 illustrates a cross-sectional view of an escalator for a railroad hopper car according to one embodiment of the present invention.
Figure 3 shows a cross-sectional view a-a of figure 1 of a railroad hopper car escalator according to one embodiment of the present invention.
Fig. 4 shows a schematic structural view of the steps of an escalator for a railroad hopper car according to one embodiment of the present invention.
Figure 5 illustrates a side view of the steps of a railroad hopper car escalator according to one embodiment of the present invention.
Figure 6 illustrates a cross-sectional view of a step of an escalator for a railroad hopper car according to one embodiment of the present invention.
Description of reference numerals:
1. ladder posts; 2. a step; 3. a through groove; 4. saw teeth; 5. a through hole; 6. a U-shaped groove; 7. an upper support; 8. and a lower support.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
FIG. 1 shows a schematic structural view of an escalator for a railroad hopper car according to one embodiment of the present invention; FIG. 2 illustrates a cross-sectional view of an escalator for a railroad hopper car according to one embodiment of the present invention; FIG. 3 illustrates a cross-sectional view A-A of FIG. 1 of a railroad hopper car escalator according to one embodiment of the present invention; FIG. 4 shows a schematic structural view of the steps of an escalator for a railroad hopper car according to one embodiment of the present invention; FIG. 5 shows a side view of the steps of a railroad hopper car escalator according to one embodiment of the present invention; figure 6 illustrates a cross-sectional view of a step of an escalator for a railroad hopper car according to one embodiment of the present invention.
As shown in fig. 1 to 6, an escalator for a railroad hopper car includes:
the two ends of the ladder column 1 are respectively connected with a railway hopper car through an upper support 7 and a lower support 8;
a plurality of ladders 2, a plurality of ladders 2 set up between two ladder posts 1, are provided with a plurality of archs on the ladder 2, are provided with logical groove 3 in the arch.
Specifically, improve anti-skidding effect through setting up the arch, avoid piling up the material on the arch through leading to groove 3, reduce frictional force, make the material through leading to groove 3 landing.
In this embodiment, the step 2 includes a support portion, both sides of which are provided with reinforcement portions, the support portion and the reinforcement portions constitute a U-shape, and the protrusions are provided on the support portion.
In particular, the support strength is improved by the U-shape.
In the present embodiment, the top of the protrusion is provided with a plurality of serrations 4, the plurality of serrations 4 being provided on the outer periphery of the through-groove 3.
Specifically, the slip resistance strength is further improved by the serrations 4.
Further, lead to groove 3 and be oval, constitute the crocodile mouth with sawtooth 4 and describe, a plurality of sawtooth 4 with lead to 3 integrative stamping forming in groove, can seal logical groove 3 when a plurality of sawtooth 4 intermeshing, make production simple and convenient through punching press integrated into one piece technology, reduce cost expense.
In the present embodiment, a plurality of through holes 5 are further included, and the through holes 5 and the through grooves 3 are alternately arranged on the support portion.
Specifically, through the 5 landing materials of through-hole, avoid sawtooth 4 to block that the material can't pass through logical groove 3 landing.
In this embodiment, the ladder post 1 is a steel pipe, the cross section of which is rectangular, and the supporting parts at the two ends of the ladder 2 are provided with U-shaped grooves 6 matched with the periphery of the steel pipe.
Specifically, the steel pipe cross-section is the rectangle, and the transition of four corners circular arc makes things convenient for the gripping to improve simultaneously and supports intensity, through pegging graft steel pipe welding fixation steel pipe and ladder 2 behind U-shaped recess 6, increases welding area.
In this embodiment, the upper holder 7 has a plate shape, and the lower holder 8 has an L-shaped cross section.
A railway hopper wagon comprises the escalator for the railway hopper wagon.
Specifically, an upper supporting seat 7 and a lower supporting seat 8 are respectively arranged on an upper enclosing beam and an end underframe platform of the railway hopper car, and the escalator for the railway hopper car is arranged between the upper supporting seat 7 and the lower supporting seat 8.
In this embodiment, the ladder post 1 includes the steel pipe of two parallels, and the lower carriage 8 includes that two cross-sections are the angle steel of L type, and the periphery of steel pipe is connected with the interior circumference of angle steel, and the steel pipe is kept away from one side of the interior circumference of angle steel and is provided with and dodges the mouth, and the steel pipe passes through bolted connection with the angle steel, dodges the installation of mouthful convenient and fast bolt, and upper bracket 7 includes two steel sheets, and the end of keeping away from each other of two steel pipes is connected with the end that is close to each other of two steel sheets respectively.
The utility model provides a during staircase for railway hopper car uses to install and use on railway hopper car as an example, during personnel scramble the staircase during use, sole contact arch and sawtooth 4 earlier, the increase plays anti-skidding effect with the frictional force of sole, and tiny material scattered on ladder 2 can follow through-hole 5 and lead to groove 3 in and flow out, prevents to corrode ladder 2 after the material gathering, extension staircase life.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (9)
1. A staircase for a railway hopper car, characterized by comprising:
the two ends of the ladder column are respectively connected with the railway hopper wagon through an upper support and a lower support;
the ladder comprises a plurality of ladder columns, a plurality of ladder steps are arranged between the two ladder columns, a plurality of protrusions are arranged on the ladder steps, and through grooves are formed in the protrusions.
2. The escalator for a railway hopper car according to claim 1, wherein said steps comprise a support part, reinforcing parts are provided on both sides of said support part, said support part and said reinforcing parts form a U-shape, and said protrusions are provided on said support part.
3. The escalator for a railroad hopper car according to claim 2, wherein said raised top is provided with a plurality of serrations disposed on the outer periphery of said through slots.
4. The escalator for a railroad hopper car according to claim 3, further comprising a plurality of through holes, wherein said through holes and said through slots are alternately arranged on said support portion.
5. The escalator for the railway hopper car as claimed in claim 1, wherein the ladder posts are steel pipes, the cross sections of the steel pipes are rectangular, and U-shaped grooves matched with the peripheries of the steel pipes are formed in supporting parts at two ends of the ladder.
6. The escalator for a railroad hopper car according to claim 3, wherein said plurality of teeth and said through slots are integrally stamped and formed.
7. The escalator for a railroad hopper car as set forth in claim 1, wherein the ladder posts are provided with openings at both ends thereof on a side away from the faying surface.
8. The escalator for a railroad hopper car according to claim 1, wherein said upper support is plate-shaped and said lower support has an L-shaped cross-section.
9. A railway hopper car comprising the escalator for a railway hopper car according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210038876.XA CN114312879A (en) | 2022-01-13 | 2022-01-13 | Staircase for railway hopper car and railway hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210038876.XA CN114312879A (en) | 2022-01-13 | 2022-01-13 | Staircase for railway hopper car and railway hopper car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114312879A true CN114312879A (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210038876.XA Pending CN114312879A (en) | 2022-01-13 | 2022-01-13 | Staircase for railway hopper car and railway hopper car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114312879A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230048A (en) * | 1977-11-14 | 1980-10-28 | Structural Composite Industries, Inc. | Railroad car |
| US5311966A (en) * | 1991-08-30 | 1994-05-17 | Glnx Corporation | Scaffold system |
| CN2540461Y (en) * | 2002-05-22 | 2003-03-19 | 曹荣 | Anti-corrosion non-slip step |
| EP0961006B1 (en) * | 1998-05-27 | 2004-01-02 | Framar S.p.A. | Portable step stool |
| CN204283202U (en) * | 2014-11-27 | 2015-04-22 | 南车长江车辆有限公司 | A kind of detachable cat ladder |
| CN206592064U (en) * | 2017-03-23 | 2017-10-27 | 株洲海畅铁路机车配件有限公司 | Locomotive Anti-slipping ladder |
| CN207416710U (en) * | 2017-11-16 | 2018-05-29 | 辽宁正昊建设股份有限公司 | A kind of tractor of towing motorcar |
-
2022
- 2022-01-13 CN CN202210038876.XA patent/CN114312879A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230048A (en) * | 1977-11-14 | 1980-10-28 | Structural Composite Industries, Inc. | Railroad car |
| US5311966A (en) * | 1991-08-30 | 1994-05-17 | Glnx Corporation | Scaffold system |
| EP0961006B1 (en) * | 1998-05-27 | 2004-01-02 | Framar S.p.A. | Portable step stool |
| CN2540461Y (en) * | 2002-05-22 | 2003-03-19 | 曹荣 | Anti-corrosion non-slip step |
| CN204283202U (en) * | 2014-11-27 | 2015-04-22 | 南车长江车辆有限公司 | A kind of detachable cat ladder |
| CN206592064U (en) * | 2017-03-23 | 2017-10-27 | 株洲海畅铁路机车配件有限公司 | Locomotive Anti-slipping ladder |
| CN207416710U (en) * | 2017-11-16 | 2018-05-29 | 辽宁正昊建设股份有限公司 | A kind of tractor of towing motorcar |
Non-Patent Citations (3)
| Title |
|---|
| 谷云龙, 中国优秀硕士学位论文全文数据库, pages 3 * |
| 谷云龙: "一种用于非洲的改进型散粒粮食运输漏斗车结构设计及其分析", 《中国优秀硕士学位论文全文数据库》 * |
| 谷云龙: "一种用于非洲的改进型散粒粮食运输漏斗车结构设计及其分析", 《中国优秀硕士学位论文全文数据库》, no. 1, 15 January 2021 (2021-01-15), pages 3 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220412 |
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| RJ01 | Rejection of invention patent application after publication |