CN213354467U - Traction and bolster structure of railway tank car without center sill - Google Patents
Traction and bolster structure of railway tank car without center sill Download PDFInfo
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- CN213354467U CN213354467U CN202022110690.XU CN202022110690U CN213354467U CN 213354467 U CN213354467 U CN 213354467U CN 202022110690 U CN202022110690 U CN 202022110690U CN 213354467 U CN213354467 U CN 213354467U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D5/00—Tank wagons for carrying fluent materials
- B61D5/06—Mounting of tanks; Integral bodies and frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
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Abstract
The utility model relates to a tank wagon, concretely relates to no centre sill tank wagon draws pillow structure. The utility model aims at solving the technical problem that the existing center sill-free railway tank car traction and bolster structure has the defects of insufficient structural strength of a traction beam, higher stress at the joint of a sleeper beam web plate and the traction beam web plate, and providing the center sill-free railway tank car traction and bolster structure. The traction and bolster structure utilizes the arc-shaped end at the convex part of the traction beam to observe the connection condition of the traction beam and the tank body, smooth transition and straight edge extension are realized by utilizing the arc-shaped transition section and the straight edge extension section on the side wing plate of each web plate of the traction beam, stress concentration is reduced while the tank body is supported, the chamfer transition structure is adopted at the adjacent position of the lower wing plate and the arc-shaped transition section, stress concentration is further reduced, the thickness of the traction beam web is larger than that of 310Z-shaped steel, the strength and the rigidity of the traction beam are improved, and the bearing capacity requirement of a large-volume large-axle-weight middle-beam-free railway tank car is met.
Description
Technical Field
The utility model relates to a tank wagon, concretely relates to no centre sill tank wagon draws pillow structure.
Background
A railway tank car without a center sill is one of the main railway vehicles applied in railway logistics, and a tank body of the railway tank car is arranged on the tank car through a traction and bolster structure. The traction and bolster structure mainly comprises a traction beam, a left bolster and a right bolster which are arranged on two sides of the traction beam, and the like, wherein webs of the left bolster and the right bolster are welded with the webs of the traction beam, however, the conventional 310Z-shaped steel is generally adopted to form the traction beam structure of the traction and bolster structure of the existing center sill-free railway tank car in an assembly welding mode, the thickness of the 310Z-shaped steel is limited, the larger thickness of the B-shaped steel is rare, and the structural strength of the traction beam is limited. With the gradual increase of the loading capacity of the railway tank car, the problem of insufficient structural strength of the 310Z-shaped steel assembling and welding traction beam gradually appears. In addition, researches show that the stress at the welding seam between the sleeper beam web and the traction beam web is high, the safety margin is generally close to the relevant standard requirement, and the traction sleeper structure applied to the railway tank car with larger load has certain potential safety hazard. In order to meet the development requirements of large volume and large axle weight of a center sill-free railway tank car, the development of a traction and bolster structure which is simple and reliable in structure, good in manufacturability and strong in bearing capacity is urgently needed.
Disclosure of Invention
The utility model aims at solving the technical problem that the existing center sill-free railway tank car traction and bolster structure has the defects of insufficient structural strength of a traction beam, higher stress at the joint of a sleeper beam web plate and the traction beam web plate, and providing the center sill-free railway tank car traction and bolster structure.
In order to solve the technical problem, the utility model provides a technical solution as follows:
a traction and bolster structure of a railway tank car without a centre sill comprises a traction beam and two bolster beams which are respectively arranged at two sides of the traction beam; the traction beam comprises two traction beam webs, an upper cover plate and a lower middle plate which are respectively arranged at the upper side and the lower side of the two traction beam webs; it is characterized in that:
each traction beam web is thicker than 12mm and comprises a side wing plate and a lower wing plate which are vertical to each other; a bulge is arranged at the position of the side wing plate corresponding to the end socket of the tank body to be supported, and an arc transition section and a straight edge extension section are arranged at one end of the side wing plate close to the middle section of the tank body; the lower wing plate and the arc transition section adopt a chamfer transition structure at the adjacent position; the shape of the rear part of the bulge is matched with the shape of an end enclosure of the tank body to be supported;
the two traction beam webs are symmetrically arranged, the side wing plates of the two traction beam webs are parallel to each other, and the lower wing plates are coplanar;
the upper cover plate is arranged between the two side wing plates at the front parts of the protrusions, the upper end surfaces of the upper cover plate, which are positioned in the front parts of the two protrusions, are arc-shaped ends, and a gap for observation is formed between each arc-shaped end and the seal head of the tank body to be supported;
the middle plate under the pillow is arranged below the two lower wing plates.
Furthermore, in order to reduce the stress at the joint of the sleeper beam web and the traction beam web, each sleeper beam comprises a sleeper beam bottom plate, a sleeper beam web vertically arranged on the sleeper beam bottom plate, a side cover plate arranged at the outer edge of the sleeper beam web and two L-shaped reinforcing plates;
the sleeper beam web is vertically connected with the side wing plate of the traction beam web on the same side, and the sleeper beam bottom plate is connected with the lower wing plate of the traction beam web;
the two L-shaped reinforcing plates are symmetrically arranged on two sides of a sleeper beam web, one edge of each L-shaped reinforcing plate is connected with the sleeper beam web, and the other edge of each L-shaped reinforcing plate is connected with the side wing plate, so that a local three-web structure is formed.
Furthermore, in order to reduce the weight of the tank body borne by the sleeper beam web, a first unloading hole is formed in the upper edge of the connecting end of the sleeper beam web and the side wing plate, second unloading holes are formed in the upper edges of the connecting ends of the two L-shaped reinforcing plates and the side wing plate, and the bottom of each second unloading hole is higher than that of the corresponding first unloading hole.
Further, in order to better support the tank body, the two side cover plates are arranged in a splayed shape.
Furthermore, in order to facilitate overhauling and observation, each L-shaped reinforcing plate is provided with an observation hole.
Further, for convenience of machining, each traction beam web is formed by shearing H-shaped steel or T-shaped steel.
Further, for convenience of processing, each L-shaped reinforcing plate is formed by bending a steel plate.
The utility model discloses compare the beneficial effect that prior art has:
1. the utility model provides a no center sill railway tank car drags pillow structure, utilize the arc end of the protruding department of draw beam, observe the connection condition of draw beam and jar body, utilize arc changeover portion and straight flange extension section on every draw beam web flank board to realize smooth transition, the straight flange extension, reduce stress concentration in the supporting tank body, the lower pterygoid lamina adopts the chamfer transition structure with the adjacent position department of arc changeover portion, further reduce stress concentration, draw beam web plate thickness is greater than the thickness of 310 second steel, for being greater than 12mm, through the increase of just thickness combine a series of structural design that reduces stress, finally make the intensity of draw beam, rigidity all obtains improving, large capacity has been satisfied, the bearing capacity requirement of the no center sill railway tank car of big axle load.
2. The reinforcing plate is used for reinforcing the connection between the sleeper beam web and the traction beam web to form a local three-web structure, so that the structural strength is increased, the bearing capacity of the traction sleeper structure is stronger, additional risks cannot be brought due to the addition of the reinforcing plate, the problem of stress concentration at the joint of the sleeper beam web and the traction beam web is solved, and the whole traction sleeper structure is safer and more reliable.
3. First off-load hole has been seted up to the top edge of sleeper beam web and flank board link, and the second off-load hole has all been seted up to the top edge of two L type reinforcing plates and flank board link to the bottom in second off-load hole is higher than the bottom in first off-load hole, makes L type reinforcing plate bear more jar of body weight, thereby has effectively reduced the stress concentration of sleeper beam web and flank board junction, and the shape in off-load hole can be adjusted according to concrete needs.
4. Two side cover plates are arranged in a splayed manner so as to better play a role in supporting the tank body.
5. An observation hole is formed in each L-shaped reinforcing plate, so that the brake main pipe is ensured to penetrate through the observation hole, and observation is performed during overhaul.
6. Each traction beam web plate is formed by shearing H-shaped steel or T-shaped steel, so that the processing is convenient, and the manufacturing manufacturability is good.
7. Each L-shaped reinforcing plate is formed by bending a steel plate, the process is simple, the processing is convenient, and the cost is low.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a draft sill according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a web of a draft sill according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a trailing beam web according to an embodiment of the present invention in a top view of FIG. 3;
FIG. 5 is a schematic structural view of a web and an L-shaped reinforcing plate of a bolster according to an embodiment of the present invention;
description of reference numerals:
1-a traction beam, 101-a traction beam web plate, 1011-a side wing plate, 10111-a bulge, 10112-an arc transition section, 10113-a straight edge extension section, 1012-a lower wing plate, 10121-a chamfer transition structure, 1013-an arc end, 102-an upper cover plate and 103-a lower middle plate;
2-sleeper beam, 201-sleeper beam bottom plate, 202-sleeper beam web, 2021-first unloading hole, 203-side cover plate, 204-L type reinforcing plate, 2041-second unloading hole and 2042-observation hole.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
A traction and bolster structure of a railway tank car without a centre sill is shown in figures 1 to 4 and comprises a traction beam 1 and two bolster beams 2 which are respectively arranged at two sides of the traction beam 1. The traction beam 1 comprises two traction beam webs 101, an upper cover plate 102 and an under-sleeper middle plate 103 which are respectively arranged at the upper side and the lower side of the two traction beam webs; each traction beam web plate 101 comprises a side wing plate 1011 and a lower wing plate 1012 which are perpendicular to each other, a bulge 10111 is arranged on the side wing plate 1011 at a position corresponding to a tank body end socket to be supported, an arc transition section 10112 and a straight edge extension section 10113 are arranged at one end of the side wing plate near the middle section of the tank body, and a chamfer transition structure 10121 is adopted at a position of the lower wing plate 1012 adjacent to the arc transition section 10112; the shape of the rear part of the bulge 10111 is matched with the shape of the end socket of the tank body to be supported; the two traction beam webs 101 are symmetrically arranged, the side wing plates 1011 of the two traction beam webs are parallel to each other, and the lower wing plates 1012 are coplanar; the upper cover plate 102 is arranged between two side wing plates 1011 at the front part of the protrusion 10111, the upper end surface of the upper cover plate 102 at the front part area of the two protrusions 10111 is an arc end 1013, and a gap for observation is formed between the arc end 1013 and a sealing head of a tank body to be supported; the under-pillow middle plate 103 is disposed below the two lower wing plates 1012. Each of the towing beam webs 101 is formed by shearing H-shaped steel or T-shaped steel, the thickness of the towing beam web is greater than 310 thickness of the b-shaped steel, that is, greater than 12mm, and the specific thickness can be calculated by the structural strength.
As shown in fig. 1 and 5, each bolster 2 includes a bolster bottom plate 201, a bolster web 202 vertically disposed on the bolster bottom plate 201, a side cover plate 203 disposed on an outer edge of the bolster web 202, and two L-shaped reinforcing plates 204; the two side cover plates 203 are arranged in a splayed shape; each L-shaped reinforcing plate 204 is formed by bending a steel plate; the sleeper beam web 202 is vertically connected (welded or riveted) with a side wing plate 1011 of the same side draft sill web 101, and the sleeper beam bottom plate 201 is connected with a lower wing plate 1012 of the draft sill web 101; the two L-shaped reinforcing plates 204 are symmetrically arranged at two sides of the sleeper beam web 202, one edge of each L-shaped reinforcing plate 204 is connected with the sleeper beam web 202, and the other edge of each L-shaped reinforcing plate 204 is connected with the side wing plate 1011 to form a local three-web structure; the upper edge of the connecting end of the bolster web 202 and the side wing plate 1011 is provided with a first unloading hole 2021, the upper edges of the connecting ends of the two L-shaped reinforcing plates 204 and the side wing plate 1011 are both provided with a second unloading hole 2041, and the bottom of the second unloading hole 2041 is higher than the bottom of the first unloading hole 2021. Each L-shaped reinforcing plate 204 is provided with an observation hole 2042 (long hole).
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for a person skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to equally replace some technical features of the embodiments, and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.
Claims (7)
1. A traction and bolster structure of a railway tank car without a centre sill comprises a traction beam (1) and two bolster beams (2) which are respectively arranged on two sides of the traction beam (1); the traction beam (1) comprises two traction beam webs (101), an upper cover plate (102) and a middle plate (103) under the pillow, wherein the upper cover plate and the middle plate are respectively arranged on the upper side and the lower side of the traction beam webs; the method is characterized in that:
each traction beam web (101) is thicker than 12mm and comprises a side wing plate (1011) and a lower wing plate (1012) which are perpendicular to each other; a bulge (10111) is arranged at the position of the side wing plate (1011) corresponding to the end socket of the tank body to be supported, and an arc transition section (10112) and a straight-edge extension section (10113) are arranged at one end of the side wing plate close to the middle section of the tank body; the lower wing plate (1012) adopts a chamfer transition structure (10121) at the position adjacent to the arc transition section (10112); the shape of the rear part of the bulge (10111) is matched with the shape of the end enclosure of the tank body to be supported;
the two traction beam webs (101) are symmetrically arranged, the side wing plates (1011) of the two traction beam webs are parallel to each other, and the lower wing plates (1012) are coplanar;
the upper cover plate (102) is arranged between two side wing plates (1011) at the front part of the protrusion (10111), the upper end surface of the upper cover plate (102) positioned at the front part area of the two protrusions (10111) is an arc-shaped end (1013), and a gap for observation is formed between the arc-shaped end (1013) and a sealing head of the tank body to be supported;
the under-pillow middle plate (103) is arranged below the two lower wing plates (1012).
2. The siltless railway tank car tie structure of claim 1, wherein: each sleeper beam (2) comprises a sleeper beam bottom plate (201), a sleeper beam web plate (202) vertically arranged on the sleeper beam bottom plate (201), a side cover plate (203) arranged at the outer edge of the sleeper beam web plate (202), and two L-shaped reinforcing plates (204);
the sleeper beam web (202) is vertically connected with a side wing plate (1011) of the traction beam web (101) on the same side of the sleeper beam web, and the sleeper beam bottom plate (201) is connected with a lower wing plate (1012) of the traction beam web (101);
the two L-shaped reinforcing plates (204) are symmetrically arranged on two sides of the sleeper beam web plate (202), one edge of each L-shaped reinforcing plate (204) is connected with the sleeper beam web plate (202), and the other edge of each L-shaped reinforcing plate is connected with the side wing plate (1011), so that a local three-web plate structure is formed.
3. The siltless railway tank car tie structure of claim 2, wherein: the upper edge of the connecting end of the sleeper beam web (202) and the side wing plate (1011) is provided with a first unloading hole (2021), the upper edges of the connecting ends of the two L-shaped reinforcing plates (204) and the side wing plate (1011) are both provided with a second unloading hole (2041), and the bottom of the second unloading hole (2041) is higher than that of the first unloading hole (2021).
4. The draft sill-free railway tank car draft carriage structure of claim 3, wherein: the two side cover plates (203) are arranged in a splayed shape.
5. A siltless railway tank car traction and bolster structure as claimed in any one of claims 2 to 4, characterized in that: each L-shaped reinforcing plate (204) is provided with an observation hole (2042).
6. The siltless railway tank car tie structure of claim 5, wherein: each traction beam web plate (101) is formed by cutting H-shaped steel or T-shaped steel.
7. The siltless railway tank car tie structure of claim 6, wherein: each L-shaped reinforcing plate (204) is formed by bending a steel plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110690.XU CN213354467U (en) | 2020-09-23 | 2020-09-23 | Traction and bolster structure of railway tank car without center sill |
| PCT/CN2020/119330 WO2022061957A1 (en) | 2020-09-23 | 2020-09-30 | Draft and bolster structure of railway tank car without center sill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110690.XU CN213354467U (en) | 2020-09-23 | 2020-09-23 | Traction and bolster structure of railway tank car without center sill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213354467U true CN213354467U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022110690.XU Active CN213354467U (en) | 2020-09-23 | 2020-09-23 | Traction and bolster structure of railway tank car without center sill |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213354467U (en) |
| WO (1) | WO2022061957A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024108693A1 (en) * | 2022-11-22 | 2024-05-30 | 中车西安车辆有限公司 | Diesel tank truck for railway |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5467719A (en) * | 1994-07-29 | 1995-11-21 | Trinity Industries, Inc. | Method and apparatus for securing a tank to a tank car sill |
| US7806058B2 (en) * | 2008-03-28 | 2010-10-05 | Gunderson Llc | Tank car stub sill attachment |
| CN201410955Y (en) * | 2009-06-19 | 2010-02-24 | 西安轨道交通装备有限责任公司 | Tanker draft sill and body bolster device with connecting piece |
| CN102975727A (en) * | 2011-09-02 | 2013-03-20 | 西安轨道交通装备有限责任公司 | Draft-sleeping structure of tank car without central beam |
| CN102963370B (en) * | 2011-09-02 | 2015-12-16 | 西安轨道交通装备有限责任公司 | Rail road tank car traction and bolster cartridge structure |
| CN206427025U (en) * | 2016-12-02 | 2017-08-22 | 中车长江车辆有限公司 | A kind of tank car and traction sleeper device |
| CN112061151A (en) * | 2020-09-23 | 2020-12-11 | 中车西安车辆有限公司 | Large-volume railway tank car with heating function |
| CN212637486U (en) * | 2020-09-23 | 2021-03-02 | 中车西安车辆有限公司 | Large-volume railway tank car with heating function |
-
2020
- 2020-09-23 CN CN202022110690.XU patent/CN213354467U/en active Active
- 2020-09-30 WO PCT/CN2020/119330 patent/WO2022061957A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024108693A1 (en) * | 2022-11-22 | 2024-05-30 | 中车西安车辆有限公司 | Diesel tank truck for railway |
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| Publication number | Publication date |
|---|---|
| WO2022061957A1 (en) | 2022-03-31 |
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