CN110077429B - Easily-detachable passenger room underframe built-in structure of urban rail vehicle - Google Patents
Easily-detachable passenger room underframe built-in structure of urban rail vehicle Download PDFInfo
- Publication number
- CN110077429B CN110077429B CN201910397065.7A CN201910397065A CN110077429B CN 110077429 B CN110077429 B CN 110077429B CN 201910397065 A CN201910397065 A CN 201910397065A CN 110077429 B CN110077429 B CN 110077429B
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- floor
- aluminum honeycomb
- connecting strip
- rail vehicle
- urban rail
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- 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
- B61D17/10—Floors
-
- 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
- B61D17/18—Internal lining, e.g. insulating
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
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Abstract
The invention discloses an easily-detachable passenger room underframe built-in structure of an urban rail vehicle, which comprises side supporting shafts, connecting strips, floor pressing strips, floor cloth, an aluminum honeycomb floor, rubber pads, cold-proof material layers, section bar mounting seats and a vehicle body underframe, wherein the vehicle body underframe mainly comprises a plurality of cross beams at the bottom of a passenger room of the vehicle and longitudinal beams welded at two ends of the cross beams, a plurality of section bar mounting seats parallel to the longitudinal beams are welded on the cross beams, the cold-proof material layers are paved on the cross beams between the section bar mounting seats, the rubber pads are paved on the upper surfaces of the cold-proof material layers, and the aluminum honeycomb floor is covered above the rubber pads. According to the invention, when the connecting strip needs to be disassembled, the connecting strip can be conveniently taken out through certain elasticity among the connecting strip, the side wall plate and the floor pressing strip, so that the disassembling efficiency is improved. This application can also reduce the machining precision requirement to floor layering fixed orifices on the automobile body chassis, through adjustable connecting strip for whole level aesthetic measure has obtained effectual assurance.
Description
Technical Field
The invention relates to a production structure of an urban rail vehicle, in particular to an easily-detachable passenger room underframe interior mounting structure of the urban rail vehicle.
Background
The urban rail vehicle is a railway vehicle with high passenger capacity in a city, belongs to the wording of China continent, and is a railway vehicle used by urban rail transit.
Whether the train is a express train between provinces and cities or a subway in a city district, a passenger room of a passenger train is an important place for people carrying, the passenger room of the passenger train is filled and fixed on the basis of a large underframe of the train body at present, side wall plates and a bottom plate of the passenger train are used for facilitating production, transportation and installation by taking blocks as units, the side wall plates and the bottom plate of the passenger train are uniformly pressed by a bottom plate pressing strip at the junction of a side wall and a bottom part at present, due to the problem of errors, the height error between two adjacent blocks or a plurality of blocks at intervals is sometimes very large, in order to avoid the problem of poor smoothness and fixation, the main solution is to press by the bottom plate pressing strip, but the size of the underframe of the train body is very large, the number and the span of fixing holes of the bottom plate pressing strip are large, and the problem of unevenness and unaesthetic installation is caused once the error between, rework entails a waste of time and an increase in cost.
Disclosure of Invention
The invention aims to provide an easily-detachable passenger compartment underframe interior structure of an urban rail vehicle, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an easily-detachable passenger room underframe built-in structure of an urban rail vehicle comprises side supporting shafts, connecting strips, floor pressing strips, floor cloth, aluminum honeycomb floors, rubber pads, cold-proof material layers, section mounting seats and a vehicle body underframe, wherein the vehicle body underframe mainly comprises a plurality of cross beams at the bottom of a passenger room of the vehicle and longitudinal beams welded at two ends of the cross beams, a plurality of section mounting seats parallel to the longitudinal beams are welded on the cross beams, the cold-proof material layers are paved on the cross beams between the section mounting seats, the rubber pads are paved on the upper surfaces of the cold-proof material layers, the aluminum honeycomb floors are covered above the rubber pads, the aluminum honeycomb floors are formed by splicing a plurality of aluminum honeycomb plates, the section mounting seats on two sides of the upper surface of the vehicle body underframe are connected with the floor pressing strips through bolts, one side edge of the floor pressing strip, which faces the aluminum honeycomb floors, is pressed above the aluminum honeycomb floors, the other side edge of the floor pressing strip bends towards the side wall plate, the slot that the side end face was seted up on the connecting strip is used for the grafting of side wall board lower limb, a plurality of fixing hole is seted up towards a side of longeron to the connecting strip, and fixing hole and threaded connection are passed to the head of bolt in the one end of collateral branch stay axle, are provided with a plurality of spring between the tip of collateral branch stay axle and the inside wall of connecting strip, and the spring housing is on the bolt that corresponds, and the coaxial welding of the other end tip of collateral branch stay axle has the screw rod, and the screw rod screw thread is even in the threaded hole that the longeron medial surface corresponds.
As a still further scheme of the invention: the aluminum honeycomb floor is covered with floor cloth, and when the aluminum honeycomb floor is covered with the floor cloth, one side edge of the floor pressing strip, which faces the aluminum honeycomb floor, is pressed on the floor cloth.
As a further scheme of the invention: the depth of the slots at the two sides of the connecting strip is 5-8 cm.
As a further scheme of the invention: and one end of the side supporting shaft is provided with a step hole, wherein one end hole of the small-bore hole in the step hole is used for connecting a bolt in a tapping mode, and the large-bore hole in the step hole is used for accommodating one part of the fixed spring.
As a further scheme of the invention: a plurality of sucking disc structures are arranged in a transverse and vertical mode on one surface, facing the aluminum honeycomb floor, of the rubber pad, and the aluminum honeycomb floor can be tightly adhered through the pressure from top to bottom.
As a further scheme of the invention: the lower surface of the aluminum honeycomb floor is provided with a plurality of circular smooth surface areas which are arranged transversely and vertically, the circular smooth surface areas are communicated through grooves which are arranged transversely and longitudinally, the exhaust of the sucker structure is facilitated, connecting lugs used for being connected with each other are formed on two side surfaces of an aluminum honeycomb plate in the aluminum honeycomb floor, and the connecting lugs between two adjacent aluminum honeycomb plates are fixedly connected through bolts.
As a further scheme of the invention: the cold-proof material layer mainly comprises a cold-proof material layer body, a waterproof layer, a bottom plate, connecting pins and screws, wherein the cold-proof material layer body and the waterproof layer are sequentially compounded on the upper surface of the bottom plate, the screws are self-tapping from the upper surface of the cold-proof material layer body and are connected with threaded holes which are pre-formed in the bottom plate in a threaded mode, and the bottom plate is made of stainless steel plates.
As a further scheme of the invention: during installation, the edges of the side wall plates and the floor trim strips are aligned and inserted into the grooves on the two sides of the connecting strip, then the bolts on the connecting strip are adjusted in a rotating mode, so that the edges of the side wall plates and the floor trim strips are folded and aligned in the connecting strip, and a longitudinal adjusting reference line is provided through a wire pulling method before the inner pressure is rotated.
Compared with the prior art, the invention has the beneficial effects that:
the invention adds a rubber pad structure for enhancing the damping effect, facilitating passengers to walk above to play a role in silencing, and reducing noise generated by walking.
The connecting strip can be retracted by the adjusting bolt after all the accessories are assembled, so that the flatness of the connecting strip can be adjusted, the connecting strip can be conveniently taken out by certain elasticity among the connecting strip, the side wall plate and the floor pressing strip when the connecting strip needs to be disassembled, and the disassembling efficiency is improved.
This application can also reduce the machining precision requirement to floor layering fixed orifices on the automobile body chassis, and it is mainly that the size of whole automobile body chassis is too big, and the size of fixed orifices is a lot little relatively, produces great large size error easily, makes floor layering unevenness easily, and this application is through adjustable connecting strip for whole level aesthetic measure has obtained effectual assurance.
Drawings
Fig. 1 is a schematic structural view of an easily detachable passenger compartment underframe interior structure of an urban rail vehicle.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
FIG. 3 is a schematic view showing the structure of the lower surface of an aluminum honeycomb floor in an interior structure of a passenger compartment underframe of an easy-to-detach urban rail vehicle.
FIG. 4 is a schematic view showing the upper surface of a rubber mat in an interior structure of a passenger compartment underframe of an easy-to-detach urban rail vehicle.
FIG. 5 is a schematic view showing the structure of a cold-proof material layer in an interior structure of a passenger compartment underframe of an easily detachable urban rail vehicle.
In the figure: the side supporting shaft comprises a side supporting shaft 1, a side wall plate 2, a connecting strip 3, a floor pressing strip 4, floor cloth 5, an aluminum honeycomb floor 6, a rubber pad 7, a cold-proof material layer 8, a section mounting seat 9, a vehicle body underframe 10, an adsorption area 11, a groove 12, a connecting lug 13, a sucker structure 14, a bolt 15, a spring positioning hole 16, a spring 17, a cold-proof material layer body 18, a waterproof layer 19, a bottom plate 20, a connecting pin 21 and a screw 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the invention, an easily detachable passenger compartment underframe internal structure of an urban rail vehicle comprises side support shafts 1, side wall plates 2, connecting strips 3, floor battens 4, floor cloth 5, an aluminum honeycomb floor 6, a rubber pad 7, a cold-proof material layer 8, profile mounting seats 9, a vehicle body underframe 10, an adsorption area 11, a groove 12, connecting lugs 13, a sucker structure 14, bolts 15, spring positioning holes 16 and springs 17, wherein the vehicle body underframe 10 is mainly composed of a plurality of cross beams at the bottom of a passenger compartment of the vehicle and longitudinal beams welded at two ends of the cross beams, and a plurality of profile mounting seats 9 parallel to the longitudinal beams are welded on the cross beams, so that fixed mounting of other internal components is facilitated, and a basic mounting structure is provided for a stable internal structure.
Cold-proof material layers 8 are laid on the cross beams between the section bar mounting seats 9 and used for preventing cold air at the bottom of a vehicle passenger room from exchanging heat with the interior of the passenger room quickly, and energy conservation of an air conditioning system in the passenger room is facilitated; rubber pad 7 has been laid to the upper surface of winter protection material layer 8, and the purpose of rubber pad 7 is used for reinforcing the shock attenuation effect, and the passenger of being convenient for walks the effect that plays the amortization above, reduces the noise that the walking produced, and rubber pad 7 top covers has aluminium honeycomb floor 6, and aluminium honeycomb floor 6 has a plurality of aluminium honeycomb panels to splice to constitute, and its effect is the reinforcement walking face, and 6 tops of aluminium honeycomb floor cover have floor cloth 5, can play the inside function of beautification guest room through floor cloth 5.
The floor pressing strips 4 are connected to the section bar mounting seats 9 on two sides of the upper surface of the car body underframe 10 through bolts, one side edge, facing the aluminum honeycomb floor 6, of each floor pressing strip 4 is pressed above the aluminum honeycomb floor 6 (or pressed above the floor cloth 5), so that the aluminum honeycomb floor 6 is pressed, the other side edge of each floor pressing strip 4 extends towards the side wall plate 2 in a bending mode and is inserted into the insertion groove formed in the end face of the lower side edge of the connecting strip 3, the insertion groove formed in the end face of the upper side edge of the connecting strip 3 is used for inserting the lower edge of the side wall plate 2, so that the edges of the floor pressing strips 4 and the lower edge of the side wall plate 2 are hidden and fixed through the connecting strip 3, and the depth of the insertion grooves in two sides of the connecting.
A plurality of fixing through holes are formed in one side face, facing the longitudinal beam, of the connecting strip 3, the head of the bolt 15 penetrates through the fixing through holes and is in threaded connection with one end of the side supporting shaft 1, a plurality of springs 17 are arranged between the end portion of the side supporting shaft 1 and the inner side wall of the connecting strip 3, the springs 17 are sleeved on the corresponding bolts 15, the connecting strip 3 is fixedly connected through the rotating bolts in a pre-tightening mode, namely the connecting strip 3 is tightly pressed on the end cap end face of the bolt 15 through the reaction force of the springs of the rotating bolts, a screw rod is coaxially welded at the end portion of the other end of the side supporting shaft 1 and is in threaded connection with the corresponding threaded hole formed in the inner side face of the longitudinal beam, the connecting strip 3 can be retracted through the adjusting bolts 15 after all accessories are assembled, so that the flatness of the connecting strip can be adjusted, and the connecting strip can be conveniently taken out through certain elasticity among, the disassembly efficiency is improved, meanwhile, the connecting strip 3, the side wall plate 2 and the floor pressing strip 4 can be elastically assembled in the process of assembling, then the position adjustment and the inward contraction fixation of the side wall plate 2 and the floor pressing strip 4 are achieved through the bolts 15, the requirement for the machining precision of the fixing hole of the floor pressing strip 4 on the vehicle body underframe 10 can be lowered, the size of the whole vehicle body underframe 10 is large, the size of the fixing hole is small, errors of large size are easily generated, and the floor pressing strip 4 is easily made to be uneven.
As shown in fig. 2, it is preferable that one end of the side support shaft 1 is formed with a stepped hole, wherein one end of a small-diameter hole of the stepped hole is tapped for the connection bolt 15 and a large-diameter hole of the stepped hole is formed for receiving a portion of the fixing spring 17, thereby preventing the spring from sliding and ensuring stable elastic deformation.
As shown in FIG. 4, a plurality of sucking disc structures 14 are arranged in a horizontal and vertical manner on one surface of the rubber pad 7 facing the aluminum honeycomb floor 6, so that the aluminum honeycomb floor 6 can be tightly adhered by the pressure from top to bottom, and meanwhile, the structure is also subjected to later disassembly for maintenance.
As shown in fig. 3, a plurality of circular smooth surface areas 11 arranged horizontally and vertically are formed on the lower surface of the aluminum honeycomb floor 6, and the circular smooth surface areas 11 are communicated with each other by forming a horizontal and vertical groove 12, so that the exhaust of the sucker structure is facilitated, and the situation that a large amount of gas is concentrated between the circular smooth surface areas and the suction cup structure to cause bulge and the like is avoided, connecting lugs 13 for connecting the aluminum honeycomb panels are formed on two side surfaces of the aluminum honeycomb floor 6, and the connecting lugs 13 between two adjacent aluminum honeycomb panels are fixedly connected through bolts.
As shown in fig. 5, the cold-proof material layer 8 mainly comprises a cold-proof material layer body 18, a waterproof layer 19, a bottom plate 20, connecting legs 21 and screws 22, the cold-proof material layer body 18 and the waterproof layer 19 are sequentially compounded on the upper surface of the bottom plate 20, the screws 22 are self-tapping from the upper surface of the cold-proof material layer body 18 and are connected with threaded holes which are pre-formed in the bottom plate 20 in a threaded manner, and the bottom plate 20 is made of stainless steel plates, so that the firmness of the bottom is improved, and the cold-proof material layer 8 is loose and soft, so that the accidental damage.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the invention can be made, and equivalents of some features in the embodiments may be substituted, and any changes, equivalents, improvements, etc. made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides an easy passenger room chassis built-in structure of urban rail vehicle who dismantles, includes collateral branch supporting axle (1), connecting strip (3), floor layering (4), floor cloth (5), aluminium honeycomb floor (6), rubber pad (7), winter protection material layer (8), section bar mount pad (9) and automobile body chassis (10), its characterized in that, automobile body chassis (10) mainly comprise a plurality of crossbeam of the passenger room bottom of vehicle and both ends welded longeron thereof, welds a plurality of section bar mount pad (9) parallel with the longeron on a plurality of crossbeam, the crossbeam upper berth between section bar mount pad (9) is equipped with winter protection material layer (8), and rubber pad (7) have been laid to the upper surface of winter protection material layer (8), and rubber pad (7) top covers has aluminium honeycomb floor (6), and aluminium honeycomb floor (6) have a plurality of aluminium honeycomb panel concatenation to constitute, press the section bar mount pad (9) of automobile body chassis (10) upper surface both sides to pass through bolted connection ground plate A strip (4), one side of the floor press strip (4) facing the aluminum honeycomb floor (6) is pressed above the aluminum honeycomb floor (6), the other side edge of the floor pressing strip (4) is bent and extended towards the side wall plate (2) and is inserted into the slot arranged on the end surface of the lower side edge of the connecting strip (3), the slot arranged on the end surface of the upper side edge of the connecting strip (3) is used for inserting the lower edge of the side wall plate (2), a plurality of fixing through holes are arranged on one side surface of the connecting strip (3) facing the longitudinal beam, the head of the bolt (15) penetrates through the fixing through holes and is in threaded connection with one end of the side supporting shaft (1), a plurality of springs (17) are arranged between the end part of the side supporting shaft (1) and the inner side wall of the connecting strip (3), the springs (17) are sleeved on the corresponding bolts (15), and the end part of the other end of the side support shaft (1) is coaxially welded with a screw rod, and the screw rod is in threaded connection with a threaded hole correspondingly formed in the inner side surface of the longitudinal beam.
2. The interior structure of a passenger compartment underframe of an easy-to-disassemble urban rail vehicle according to claim 1, wherein a floor cloth (5) is covered above the aluminum honeycomb floor (6), and when the floor cloth (5) is covered on the aluminum honeycomb floor (6), one side of the floor press strip (4) facing the aluminum honeycomb floor (6) is pressed above the floor cloth (5).
3. The interior structure of a passenger compartment underframe of an easy-to-disassemble urban rail vehicle as claimed in claim 1, wherein the depth of the slot on both sides of the connecting strip (3) is 5-8 cm.
4. The interior structure of a passenger compartment underframe of an easy-to-dismount urban rail vehicle according to claim 1, wherein one end of the side support shaft (1) is provided with a stepped hole, wherein one end of a small-bore hole in the stepped hole is tapped for a connecting bolt (15), and a large-bore hole in the stepped hole is used for accommodating a part of a fixing spring (17).
5. The interior structure of the passenger compartment underframe of an easy-to-disassemble urban rail vehicle as claimed in claim 1, wherein a plurality of sucking disc structures (14) are arranged transversely and vertically on one surface of the rubber pad (7) facing the aluminum honeycomb floor (6), so that the aluminum honeycomb floor (6) can be tightly adhered by the pressure from top to bottom.
6. The interior decoration structure of the passenger compartment underframe of an easily detachable urban rail vehicle as claimed in claim 5, wherein the lower surface of the aluminum honeycomb floor (6) is formed with a plurality of circular smooth surface areas (11) arranged horizontally and vertically, the circular smooth surface areas (11) are communicated with each other by forming a horizontal and longitudinal groove (12) for facilitating the exhaust of a sucker structure, two side surfaces of the aluminum honeycomb plate in the aluminum honeycomb floor (6) are formed with connecting lugs (13) for connecting with each other, and the connecting lugs (13) between two adjacent aluminum honeycomb plates are fixedly connected by bolts.
7. The interior-mounted structure of the passenger compartment underframe of an urban rail vehicle easy to disassemble as claimed in claim 1, wherein the cold-proof material layer (8) mainly comprises a cold-proof material layer body (18), a waterproof layer (19), a bottom plate (20), connecting feet (21) and screws (22), the cold-proof material layer body (18) and the waterproof layer (19) are sequentially compounded on the upper surface of the bottom plate (20), the screws (22) are self-tapping from the upper surface of the cold-proof material layer body (18) and are in threaded connection with threaded holes pre-formed in the bottom plate (20), and the bottom plate (20) is made of stainless steel plate.
8. The interior structure of the passenger compartment underframe of an urban rail vehicle easy to disassemble according to any one of claims 1 to 7, characterized in that the specific installation method is as follows: the method comprises the steps of firstly aligning and inserting the edges of the side wall plates and the floor pressing strips into grooves on two sides of a connecting strip, then enabling the edges of the side wall plates and the floor pressing strips to be folded and aligned in the connecting strip by rotating and adjusting bolts on the connecting strip, and providing longitudinal adjustment reference by a wire pulling method before rotating and internal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397065.7A CN110077429B (en) | 2019-05-14 | 2019-05-14 | Easily-detachable passenger room underframe built-in structure of urban rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397065.7A CN110077429B (en) | 2019-05-14 | 2019-05-14 | Easily-detachable passenger room underframe built-in structure of urban rail vehicle |
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| Publication Number | Publication Date |
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| CN110077429A CN110077429A (en) | 2019-08-02 |
| CN110077429B true CN110077429B (en) | 2020-05-08 |
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| CN201910397065.7A Expired - Fee Related CN110077429B (en) | 2019-05-14 | 2019-05-14 | Easily-detachable passenger room underframe built-in structure of urban rail vehicle |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3100493B1 (en) * | 2019-09-09 | 2021-09-17 | Speedinnov | Vehicle body and method of mounting such a body |
| CN110626247A (en) * | 2019-11-12 | 2019-12-31 | 郑州红宇专用汽车有限责任公司 | Bottom plate structure of breast board type gas cylinder transport vehicle and installation method |
| CN112917092B (en) * | 2019-12-05 | 2022-03-01 | 中车唐山机车车辆有限公司 | Machining method of carriage floor groove |
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| CN208122190U (en) * | 2018-04-27 | 2018-11-20 | 江苏创森新材料有限公司 | A kind of auxiliary floor laying structure |
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2019
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| EP0031306A2 (en) * | 1979-12-20 | 1981-07-01 | Schweizerische Aluminium AG | Frame-built superstructure for road or railway vehicles |
| DE19927003A1 (en) * | 1999-06-09 | 2000-12-21 | Daimler Chrysler Ag | Connection for floor covering in vehicles, especially rail vehicles |
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| CN110077429A (en) | 2019-08-02 |
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