CN112026818A - Power pack hanging structure, underframe and railway vehicle - Google Patents
Power pack hanging structure, underframe and railway vehicle Download PDFInfo
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- CN112026818A CN112026818A CN202010949053.3A CN202010949053A CN112026818A CN 112026818 A CN112026818 A CN 112026818A CN 202010949053 A CN202010949053 A CN 202010949053A CN 112026818 A CN112026818 A CN 112026818A
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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 invention relates to the technical field of railway vehicles, in particular to a power pack hanging structure, an underframe and a railway vehicle. This power package suspended structure is including installing the frame mechanism between a pair of boundary beam, and frame mechanism includes: the pair of main beams are oppositely arranged at intervals, and two ends of each main beam are respectively connected between the pair of edge beams; the pair of main longitudinal beams are oppositely arranged at intervals, and two ends of each main longitudinal beam are respectively connected between the pair of main cross beams; and the pair of auxiliary beams are respectively connected between the pair of main longitudinal beams and the edge beam on the corresponding side, one end of each auxiliary beam is connected to one main cross beam, and a door area space is reserved between the other end of each auxiliary beam and the other main cross beam. The power pack hanging structure can reduce the burden of a power pack on the structure of the door area on the underframe, so that the underframe meets the requirements of the intensity and the fatigue intensity of the PIII type in EN 12663-2010.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a power pack hanging structure, an underframe and a railway vehicle.
Background
The power system equipped for the rail vehicle is simply called a power pack. The drive train usually has mechanical, hydraulic and electric drives integrated into it and is adapted to the integrated cooling system. In rail vehicles, the power pack is usually integrally suspended from an under-floor chassis, and the requirements of the rail vehicle with the power pack must meet european standard EN12663-2010, while still leaving sufficient safety margins. Therefore, in the underframe, the structure for installing the power pack (i.e. the power pack hanging structure) is used as a main bearing part of the underframe structure of the railway vehicle, and the strength, the rigidity and the fatigue strength of the structure are particularly important.
Among current rail vehicle's the chassis, power package suspended structure has following problem at least:
on the first hand, the structural strength and fatigue strength of the underframe provided with the power pack should meet the requirements of the strength and fatigue strength of the PIII type in EN12663-2010, and as the weight of the power pack is continuously increased, the weight of the power pack easily causes a large burden to the overall structure of the underframe, especially as the existing power pack is usually hung and installed on the underframe below the door region of the car body, and the edge beam of the car body skeleton is usually broken when the door body is reserved at the door region, the installation of the power pack causes a large burden to the strength of the door region of the underframe;
in the second aspect, the structure provided with the power pack has a large load, so that the flatness of the mounting surface of the underframe is easily over the standard requirement, and the mounting requirement of the power pack is difficult to meet;
in the third aspect, the power pack is prone to vibration during normal operation, so that the chassis is vibrated too high, and adverse effects are caused on the riding comfort of the rail vehicle.
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 power pack hanging structure to reduce the load of a power pack on the structure of the door area on a bottom frame.
The invention also provides the underframe.
The invention further provides the railway vehicle.
According to a first aspect of the invention, a power pack hanging structure comprises a frame mechanism mounted between a pair of side beams, the frame mechanism comprising:
the pair of main cross beams are oppositely arranged at intervals, and two ends of each main cross beam are respectively connected between the pair of side beams;
the pair of main longitudinal beams are oppositely arranged at intervals, and two ends of each main longitudinal beam are respectively connected between the pair of main cross beams;
and the auxiliary beams are respectively connected between the main longitudinal beams and the edge beams on the corresponding sides, one end of each auxiliary beam is connected to one main cross beam, and a door area space is reserved between the other end of each auxiliary beam and the other main cross beam.
According to one embodiment of the invention, the auxiliary beam is connected with the main longitudinal beam through a plurality of connecting beams.
According to one embodiment of the present invention, the pair of main beams includes a first main beam and a second main beam which are oppositely disposed at an interval, a first end of each of the auxiliary beams is connected to the first main beam, a door space is reserved between a second end of each of the auxiliary beams and the second main beam, and at least one of the connecting beams is connected between the second end of each of the auxiliary beams and the main longitudinal beam on the corresponding side.
According to an embodiment of the present invention, the main longitudinal beams, the auxiliary beams and the edge beams are arranged in parallel, a pair of the auxiliary beams are respectively inserted into a pair of the edge beams, and two ends of the second main cross beam are respectively inserted into a pair of the edge beams.
According to one embodiment of the invention, the edge beam is configured with a recess opening towards the main longitudinal beam, the auxiliary beam being fitted in the recess.
According to an embodiment of the invention, the frame mechanism further comprises:
the plurality of supplementary cross beams are respectively connected between the pair of main longitudinal beams;
the plurality of supplementary longitudinal beams are respectively connected between the pair of main cross beams;
and the inspection opening is formed by encircling a pair of the supplementary cross beams and a pair of the supplementary longitudinal beams respectively, and the position of the inspection opening corresponds to the position below an inspection window on the floor.
According to one embodiment of the invention, the supplementary longitudinal beam is a tapered beam, and the thickness of the part of the beam body below the position of the door area corresponding to the supplementary longitudinal beam exceeds that of the rest part of the beam body.
According to one embodiment of the invention, at least one lightening hole is formed in each case on the supplementary transverse beam and/or on the supplementary longitudinal beam.
An undercarriage according to an embodiment of the second aspect of the present invention includes a power pack hanging structure as described above.
According to a third aspect of the invention, a rail vehicle comprises a power pack hanger structure as described above or an undercarriage as described above.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
the power pack hanging structure of the embodiment of the invention comprises a frame mechanism arranged between a pair of boundary beams, wherein the frame mechanism comprises: the pair of main beams are oppositely arranged at intervals, and two ends of each main beam are respectively connected between the pair of edge beams; the pair of main longitudinal beams are oppositely arranged at intervals, and two ends of each main longitudinal beam are respectively connected between the pair of main cross beams; and the pair of auxiliary beams are respectively connected between the pair of main longitudinal beams and the edge beam on the corresponding side, one end of each auxiliary beam is connected to one main cross beam, and a door area space is reserved between the other end of each auxiliary beam and the other main cross beam. This power package suspended structure's compact structure has the characteristics of high strength and high rigidity, specifically is: according to the structure, a pair of auxiliary beams are correspondingly and additionally arranged on the outer sides of a pair of main longitudinal beams, and the auxiliary beams and the side beams are installed, so that the position, close to the side beams, of a frame mechanism is structurally reinforced, and the underframe can meet the requirements of the strength and fatigue strength of the PIII type in European standard EN12663-2010 more easily; and, utilize and reserve door district space between the tip of auxiliary beam and the main beam of corresponding side to make this frame structure provide the reinforcement effect in door position, and the auxiliary beam can regard as the bearing structure of door position installation step of stepping on a car, thereby reduce the burden that power package caused the structure of door position on the chassis.
Furthermore, the power pack hanging structure can effectively improve the flatness of the mounting surface of the underframe beyond the requirement of meeting the load-bearing strength and fatigue strength of the underframe, and the flatness of the mounting surface does not exceed 1mm to the maximum extent so as to meet the requirement of power pack mounting.
Still further, this power package suspended structure's frame mechanism is owing to carry out the structure reinforcement in the position that is close to the boundary beam to can also reduce the vibration that the power package produced in normal course of operation, and then improve rail vehicle's riding comfort greatly.
The underframe of the embodiment of the invention comprises the power pack hanging structure. Through setting up above-mentioned power package suspended structure for this chassis has above-mentioned power package suspended structure's whole advantages, no longer gives details here.
The rail vehicle comprises the power pack hanging structure or the underframe. Through setting up above-mentioned power package suspended structure or chassis for this rail vehicle has above-mentioned power package suspended structure and chassis's whole advantage, no longer gives unnecessary details here.
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
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a power pack suspension structure according to an embodiment of the present invention;
FIG. 2 is a top view of a power pack hanger according to an embodiment of the present invention;
FIG. 3 is a side view of a power pack hanger according to an embodiment of the present invention.
Reference numerals:
11: a first main beam; 12: a second main beam; 111: lightening holes; 2: a main stringer; 21: a base plate; 3: an auxiliary beam; 4: a connecting beam; 51: supplementing the beam; 52: supplementing the longitudinal beam; 6: a door zone space; 7: an inspection opening; 8: a boundary beam; 9: and (4) a power pack.
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 3, an embodiment of the present invention provides a power pack hanging structure (referred to as "hanging structure" for short) and provides an underframe and a railway vehicle based on the structure.
As shown in fig. 1 and 2, the suspension structure includes a frame mechanism connected between a pair of side members 8, and the frame mechanism is preferably connected between a pair of side members 8 located on the side of the door position, thereby reinforcing the door position of the vehicle body.
The frame mechanism comprises a pair of main cross beams, a pair of main longitudinal beams 2 and a pair of auxiliary beams 3. The pair of main beams are oppositely arranged at intervals, and both ends of each main beam are respectively connected between the pair of boundary beams 8. The pair of main longitudinal beams 2 are oppositely arranged at intervals, and two ends of each main longitudinal beam 2 are respectively connected between the pair of main cross beams. A pair of main cross beams and a pair of main longitudinal beams 2 are utilized to surround a main bearing framework part of the framework mechanism. The pair of auxiliary beams 3 are respectively connected between the pair of main longitudinal beams 2 and the corresponding side beams 8, namely, each main longitudinal beam 2 is connected with the side beam 8 on the corresponding side through the auxiliary beam 3, and the auxiliary beam 3 can reinforce the main longitudinal beams 2, so that the reinforcing effect is realized on the side, close to the side beam 8, of the frame mechanism. And, a door zone space 6 is reserved between one end of each pair of auxiliary beams 3 and the corresponding main beam, specifically, one end of each auxiliary beam 3 is connected to one main beam, a door zone space 6 is reserved between the other end of each auxiliary beam 3 and the other main beam, and the end of the auxiliary beam 3 and the main beam on the corresponding side can be used as a bearing structure for mounting boarding steps in the door zone space 6.
This suspended structure's compact structure has the characteristics of high strength and high rigidity, specifically is: according to the structure, the pair of auxiliary beams 3 are correspondingly and additionally arranged on the outer sides of the pair of main longitudinal beams 2, and the auxiliary beams 3 and the edge beam 8 are utilized for installation, so that the position, close to the edge beam 8, of a frame mechanism is structurally reinforced, and the underframe can easily meet the requirements of the strength and the fatigue strength of the PIII type in the European standard EN 12663-2010. And, utilize and reserve door district space 6 between auxiliary beam 3 and the main beam of corresponding side to make this frame structure provide the reinforcement effect in door position, and auxiliary beam 3 can regard as the bearing structure of door position installation step of stepping on a car, thereby reduce the burden that power package 9 caused the structure of door position on the chassis. Furthermore, the power pack hanging structure can effectively improve the flatness of the mounting surface of the underframe beyond the requirement of meeting the load-bearing strength and fatigue strength of the underframe, and the flatness of the mounting surface does not exceed 1mm to the maximum extent so as to meet the mounting requirement of a power pack 9. Still further, this power package suspended structure's frame mechanism is owing to carry out the structure reinforcement in the position that is close to boundary beam 8 to can also reduce the vibration that power package 9 produced in normal course of operation, and then improve rail vehicle's riding comfort greatly.
It will be appreciated that the main cross beams are perpendicular to the edge beams 8 and the main longitudinal beams 2 are parallel to the edge beams 8 to construct a structurally stable right angle frame mechanism between a pair of edge beams 8. Further preferably, the main longitudinal beam 2, the auxiliary beam 3, and the side beam 8 are arranged in parallel. Preferably, a reinforcing rib is connected to a joint between the main cross member and the main longitudinal member 2, so that the frame structure has higher load-bearing capacity and structural strength.
In one embodiment, the auxiliary beam 3 is connected with the main longitudinal beam 2 through a plurality of connecting beams 4. Preferably, a plurality of connecting beams 4 are vertically connected between the auxiliary beam 3 and the main longitudinal beam 2, so as to further improve the connecting strength and the bearing capacity between the auxiliary beam 3 and the main longitudinal beam 2. And preferably, a gap is reserved between the adjacent connecting beams 4, so that the frame mechanism can achieve the effect of reducing weight on the basis of ensuring the strength and the bearing capacity of the frame mechanism.
It can be understood that, in order to facilitate the installation of the connecting beam 4, it is preferable that the cross section of the auxiliary beam 3 is configured with an opening facing the main longitudinal beam 2, and the end of the connecting beam 4 is inserted into the opening of the auxiliary beam 3, so that the inserting and positioning of the connecting beam 4 can be facilitated, and the connecting beam 4 can be used for providing local reinforcement for the auxiliary beam 3 and the boundary beam from the inside of the auxiliary beam 3.
In one embodiment, at least one connecting beam 4 is located at one end of the door zone space 6, and in the embodiment, as shown in fig. 1 and 2, a pair of main beams includes a first main beam 11 and a second main beam 12 which are oppositely arranged at an interval, a first end of each auxiliary beam 3 is connected to the first main beam 11, and the door zone space 6 is reserved between a second end of each auxiliary beam 3 and the second main beam 12. And at least one connecting beam 4 is connected between the second end of each auxiliary beam 3 and the main longitudinal beam 2 on the corresponding side. That is, at least one connecting beam 4 is connected between the second end of the auxiliary beam 3 and the main longitudinal beam 2 adjacent to the auxiliary beam 3, so that the connecting beam 4 at this position is used as a reinforcing structure for the second end of the auxiliary beam 3, thereby forming a load-bearing structure at both ends of the door space 6 together with the end portion of the second main transverse beam 12 facing the connecting beam 4. Because a door body and a boarding step need to be installed in the door zone space 6, one end of the boarding step and the door body slide rail can be reliably borne on the second main cross beam 12, and the other end of the boarding step and the door body slide rail can be reliably borne on the end part of the auxiliary beam 3 positioned at the end part of the door zone space 6 and the connecting beam 4.
In one embodiment, as shown in fig. 3, based on the parallel arrangement between the main longitudinal beams 2, the auxiliary beams 3 and the side beams, preferably, a pair of auxiliary beams 3 are inserted into the side beams, and both ends of a pair of main transverse beams are respectively inserted into a pair of side beams, thereby enhancing the reinforcing effect of the frame mechanism on the side beams. In particular, the edge beam 8 is configured with a recess facing the main longitudinal beam 2, in which the auxiliary beam 3 is embedded. This structural arrangement makes auxiliary beam 3 can play reinforcement and reinforcement effect to main longeron 2 of frame mechanism as above, can inlay the dress again and play reinforcement and reinforcement effect to boundary beam 8 in boundary beam 8.
In one embodiment, the frame structure further comprises a number of supplementary transverse beams 51 and a number of supplementary longitudinal beams 52. And a plurality of supplementary cross beams 51 are positioned inside the frame mechanism and are respectively connected between the pair of main longitudinal beams 2, namely, two ends of each supplementary cross beam 51 are respectively connected to the pair of main longitudinal beams 2. A plurality of supplementary longitudinal beams 52 are located inside the frame structure and are respectively connected between the pair of main cross beams, that is, both ends of each supplementary longitudinal beam 52 are respectively connected to the pair of main cross beams. Furthermore, it is preferable that the supplementary transverse beams 51 and the supplementary longitudinal beams 52 are vertically staggered, each supplementary transverse beam 51 is vertically connected with the main longitudinal beam 2, and each supplementary longitudinal beam 52 is vertically connected with the main transverse beam, so that a truss structure with high bearing capacity, structural strength and vibration-proof effect is constructed inside the frame mechanism by utilizing the staggered arrangement of the supplementary transverse beams 51 and the supplementary longitudinal beams 52.
It can be understood that the supplement cross beam 51 and the supplement longitudinal beam 52 are preferably inserted into each other, that is, a plurality of pairs of notches are formed in the supplement cross beam 51 in the width direction, and a plurality of supplement longitudinal beams 52 are inserted and welded into the notches of the supplement cross beam 51, so that the connection strength between the supplement cross beam 51 and the supplement longitudinal beams 52 can be improved, the structures of the supplement cross beam 51 and the supplement longitudinal beams 52 can be thinned, and the requirement of vehicle body light weight can be met.
In one embodiment, the frame structure further comprises at least one inspection opening 7. Each inspection opening 7 is surrounded by a pair of complementary cross members 51 and a pair of complementary side members 52, and the position of the inspection opening 7 corresponds to below an inspection window provided on the floor. As shown in fig. 3, the power pack 9 can be suspended from a supplementary transverse beam 51 and a supplementary longitudinal beam 52 of the frame structure and is preferably arranged below the inspection opening 7. The position that sets up inspection opening 7 and can vacate the inspection window to open the condition that inspection window can directly cross inspection opening 7 inspection and hang power package 9 in inspection opening 7 below from subaerial operating personnel, be favorable to equipment maintenance and maintenance.
It can be understood that, in order to reserve the inspection opening 7 reasonably, the supplementary cross beam 51 is preferably broken at the position of the inspection opening 7, in other words, as shown in fig. 1 and fig. 2, the inspection opening 7 is formed by surrounding two supplementary longitudinal beams 52 arranged at intervals and two supplementary cross beams 51 arranged at intervals, and the supplementary cross beam 51 is additionally arranged between the two supplementary cross beams 51, and the supplementary cross beam 51 arranged additionally is broken at the position of the inspection opening 7, so that two partial supplementary cross beams 51 respectively connected to two sides of the two supplementary longitudinal beams 52 are formed. The additional provision of the supplementary transverse beam 51 makes it possible to structurally reinforce the exterior of the inspection opening 7, so that a reduction in the load-bearing capacity of the frame structure at the location of the inspection opening 7 is avoided.
In one embodiment, as shown in fig. 2, to overcome the post-weld deformation and meet the flatness requirements of the underframe, it is preferable to mount a backing plate 21 on at least one side of the main longitudinal beam 2.
In one embodiment, in order to further achieve the structural reinforcement effect at the door zone position, it is preferable that each of the supplementary stringers 52 is provided as a gradually-changing beam, and the thickness of a part of the beam body of the supplementary stringers 52 located below the door zone position (i.e., a position located between a pair of door zone spaces 6) is set to exceed the thickness of the remaining part of the beam body.
In one embodiment, for weight reduction purposes, at least one weight reduction opening 111 is preferably formed in each of the supplementary transverse beams 51 and/or the supplementary longitudinal beams 52. It is further preferable that the supplementary cross beam 51 and the supplementary longitudinal beam 52 are configured as a hollow structure, so that the internal cavities of the supplementary cross beam 51 and the supplementary longitudinal beam 52 are utilized to achieve the purpose of facilitating the routing of each electrical component in the power pack 9, and the lightening holes 111 can be correspondingly used as routing through holes to facilitate the entering and exiting of the lines.
It can be understood that the main cross beam and the main longitudinal beam 2 in the embodiment of the invention are made of carbon steel, and the supplementary cross beam 51 and the supplementary longitudinal beam 52 are made of stainless steel, so that the strength and the fatigue strength of the structure meet the standard requirements, and the weight reduction purpose is realized to the greatest extent on the basis, so that the light weight requirement of the vehicle body is met.
The underframe of the embodiment of the invention comprises the power pack hanging structure. Through setting up above-mentioned power package suspended structure for this chassis has above-mentioned power package suspended structure's whole advantages, no longer gives details here.
The rail vehicle comprises the power pack hanging structure or the underframe. Through setting up above-mentioned power package suspended structure or chassis for this rail vehicle has above-mentioned power package suspended structure and chassis's whole advantage, no longer gives unnecessary details here.
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 (10)
1. The utility model provides a power package suspended structure, is including installing the frame mechanism between a pair of boundary beam, its characterized in that, frame mechanism includes:
the pair of main cross beams are oppositely arranged at intervals, and two ends of each main cross beam are respectively connected between the pair of side beams;
the pair of main longitudinal beams are oppositely arranged at intervals, and two ends of each main longitudinal beam are respectively connected between the pair of main cross beams;
and the auxiliary beams are respectively connected between the main longitudinal beams and the edge beams on the corresponding sides, one end of each auxiliary beam is connected to one main cross beam, and a door area space is reserved between the other end of each auxiliary beam and the other main cross beam.
2. The power pack hanger structure of claim 1, wherein the auxiliary beam is connected to the main longitudinal beam by a plurality of connecting beams.
3. The power pack hanging structure according to claim 2, wherein the pair of main beams comprises a first main beam and a second main beam which are oppositely arranged at an interval, a first end of each auxiliary beam is connected to the first main beam, a door space is reserved between a second end of each auxiliary beam and the second main beam, and at least one connecting beam is connected between the second end of each auxiliary beam and the main longitudinal beam on the corresponding side.
4. The power pack hanging structure according to claim 3, wherein the main longitudinal beams, the auxiliary beams and the edge beams are arranged in parallel, a pair of the auxiliary beams are respectively inserted into a pair of the edge beams, and two ends of the second main cross beam are respectively inserted into a pair of the edge beams.
5. The power pack hanger structure according to claim 4, wherein the edge beam is configured with a groove opening toward the main longitudinal beam, and the auxiliary beam is embedded in the groove.
6. The power pack hanger structure of any one of claims 1 to 5, wherein the frame mechanism further comprises:
the plurality of supplementary cross beams are respectively connected between the pair of main longitudinal beams;
the plurality of supplementary longitudinal beams are respectively connected between the pair of main cross beams;
and the inspection opening is formed by encircling a pair of the supplementary cross beams and a pair of the supplementary longitudinal beams respectively, and the position of the inspection opening corresponds to the position below an inspection window on the floor.
7. The power pack hanger structure of claim 6, wherein the supplemental stringers are tapered beams, and the thickness of the portion of the beam body corresponding to the lower portion of the door region exceeds the thickness of the remaining portion of the beam body.
8. The power pack hanger structure according to claim 6, wherein at least one lightening hole is formed in each of the supplementary transverse beam and/or the supplementary longitudinal beam.
9. An underframe, comprising a power pack hanger structure according to any one of claims 1 to 8.
10. A rail vehicle comprising a power pack hanger structure according to any one of claims 1 to 8 or comprising a chassis according to claim 9.
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| CN202010949053.3A CN112026818B (en) | 2020-09-10 | 2020-09-10 | Power pack hanging structure, underframe and railway vehicle |
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| CN202010949053.3A CN112026818B (en) | 2020-09-10 | 2020-09-10 | Power pack hanging structure, underframe and railway vehicle |
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| CN113895469A (en) * | 2021-11-22 | 2022-01-07 | 中车青岛四方机车车辆股份有限公司 | Mounting frame and rail vehicle of rail vehicle |
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| CN109747664A (en) * | 2019-01-23 | 2019-05-14 | 中车大连机车研究所有限公司 | Diesel Multiple Unit is driven Force system with split type liquid |
| CN111365570A (en) * | 2020-03-17 | 2020-07-03 | 中车大连机车研究所有限公司 | Split type hydraulic drive power package diesel engine integrated system installation frame |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879341A (en) * | 2021-11-22 | 2022-01-04 | 中车青岛四方机车车辆股份有限公司 | Double-power rail vehicle |
| CN113895469A (en) * | 2021-11-22 | 2022-01-07 | 中车青岛四方机车车辆股份有限公司 | Mounting frame and rail vehicle of rail vehicle |
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