CN115027517A - Railway vehicle outer windshield and railway vehicle - Google Patents
Railway vehicle outer windshield and railway vehicle Download PDFInfo
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- CN115027517A CN115027517A CN202210754182.6A CN202210754182A CN115027517A CN 115027517 A CN115027517 A CN 115027517A CN 202210754182 A CN202210754182 A CN 202210754182A CN 115027517 A CN115027517 A CN 115027517A
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- telescopic block
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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
- B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
- B61D17/22—Communication passages between coaches; Adaptation of coach ends therefor flexible, e.g. bellows
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The invention provides an external windshield of a railway vehicle and the railway vehicle.A pair of windshield assemblies which are mutually abutted are arranged between two adjacent carriages, each windshield assembly comprises a plurality of segments of windshield units, the windshield units are sequentially arranged along the opening end parts of the carriages to form a closed loop, and the segments of the windshield units of the pair of windshield assemblies correspond one to one; the windshield unit comprises a surrounding edge, a telescopic block and a first connecting device, one side of the telescopic block extends into the surrounding edge, and the other side of the telescopic block is abutted to the telescopic block of the other windshield unit. The displacement variation that the carriage both ends produced when the train is driving is compensatied to multistage windscreen unit accessible self displacement variation to mechanical structure replaces traditional rubber outer windshield structure, and it is not high to have avoided rubber outer windshield reliability when reaching rubber outer windshield effect, and easy deformation, vibration, chap, fenestrate problem appear, have reduced the maintenance cost of outer windshield of train, have improved outer windshield's stability and reliability.
Description
Technical Field
The invention relates to the technical field of train external windshields, in particular to a railway vehicle external windshield and a railway vehicle.
Background
At present, the main form of the outer windshield of the high-speed train in China is the rubber outer windshield, the rubber outer windshield of the high-speed train mainly depends on import, the large rubber injection molding technology for producing the rubber products in China is not mature, and the produced rubber outer windshield has low product percent of pass and high cost. However, the main design direction of the rubber outer windshield is to improve the U-shaped rubber structure or strengthen the rubber structure so as to improve the reliability, and this way improves the air tightness and reliability of the rubber outer windshield to some extent, but does not solve the problems of the service life and fatigue breakage of the rubber outer windshield.
As is well known, the rubber outer windshield does not have higher stability and reliability due to the characteristics of the rubber material, and has various mechanism safety problems in the use process, such as deformation of the rubber outer windshield structure, severe vibration of the windshield when a train runs at high speed, cracks, paint removal or damage at the bottom of the installation and the like; when the outer wind shield between the trains has the phenomena of cracks, perforations and the like, the use requirement of the wind shield cannot be met, and the running safety of the trains is difficult to guarantee; to solve such a problem, the damaged outer windshield needs to be replaced, thereby increasing train maintenance costs.
Disclosure of Invention
The invention provides an outer windshield of a railway vehicle, which is used for solving the defects that the reliability of a rubber outer windshield is not high and deformation, vibration, cracking and perforation are easy to occur in the prior art, and realizing a non-rubber and high-reliability mechanical outer windshield of a train.
The invention also provides a rail vehicle which also has all the advantages.
The invention provides a rail vehicle outer windshield comprising:
a pair of windshield assemblies which are arranged between two adjacent carriages and mutually abutted;
the windshield assembly comprises a plurality of segments of windshield units, the windshield units are sequentially arranged along the end part of the opening of the carriage to form a closed loop, and the segments of the windshield assembly correspond to each other one by one;
the windscreen unit is including surrounding edge, flexible piece and first connecting device, first connecting device includes the extensible member and rotates the piece, the one end of extensible member is connected the surrounding edge, the other end is connected through rotating the flexible piece, flexible piece one side extends to in the surrounding edge, opposite side and another the flexible piece looks butt of windscreen subassembly.
According to one embodiment of the invention, the windshield units are arranged at the periphery of the opening end of the carriage in a pairwise opposite manner, and the connecting devices are respectively arranged at the centers of the windshield units.
According to an embodiment of the present invention, the rotating member is a first ball head disposed at an end of the telescopic member, the telescopic block is provided with a ball head joint corresponding to the first ball head, and the telescopic block is rotatably connected to the telescopic member through a rotation fit between the ball head joint and the first ball head.
According to one embodiment of the invention, the windscreen unit further comprises second connecting means arranged in pairs on both sides of the connecting means, one end of the second connecting means being connected to the surrounding edge and the other end being connected to the telescopic block.
According to an embodiment of the present invention, a second ball head is disposed at an end of the second connecting device close to the telescopic block, the second ball head abuts against the telescopic block, a sliding groove is disposed at a position of the telescopic block corresponding to the second ball head, and the telescopic block is in sliding connection with the second connecting device through the sliding groove and the second ball head.
According to one embodiment of the invention, two ends of the telescopic block are respectively provided with a telescopic joint, the telescopic joints are arranged in a telescopic manner relative to the extending direction of the telescopic block, and the adjacent telescopic joints are abutted.
According to one embodiment of the invention, the telescopic block comprises a first telescopic block and a second telescopic block, one side of the first telescopic block extends into the second telescopic block, the other side of the first telescopic block is connected with the first telescopic block of the other windshield unit in a butting manner, one side of the second telescopic block, far away from the first telescopic block, extends into the surrounding edge, and the first telescopic block and the second telescopic block are respectively connected with the connecting device.
According to one embodiment of the invention, the connecting device comprises a base, a first telescopic rod and a second telescopic rod, the first telescopic rod is connected with the second telescopic rod through a first elastic piece, the second telescopic rod is connected with the base through a second elastic piece, the base is connected with the surrounding edge, the second telescopic rod is connected with the second telescopic block, and the first telescopic rod is connected with the first telescopic block through the rotating piece.
According to an embodiment of the invention, the second telescopic rod is fixedly provided with an L-shaped connecting seat, the connecting seats are arranged in pairs by taking the second telescopic rod as an axis, and the connecting seats are fixedly connected with the second telescopic block.
The invention also provides a railway vehicle, which comprises a plurality of carriages, wherein the outer windshield of the railway vehicle is arranged between the adjacent carriages; the surrounding edge is connected with the end part of the carriage, and the telescopic block is abutted with the telescopic block of the other opposite windshield assembly.
The invention provides an external windshield of a railway vehicle and the railway vehicle.A pair of butted windshield assemblies is arranged between two adjacent carriages, each windshield assembly comprises a plurality of sections of windshield units, the windshield units are sequentially arranged along the opening end parts of the carriages to form a closed loop, and each section of windshield unit of one pair of windshield assemblies corresponds to one another; the windshield unit comprises a surrounding edge, a telescopic block and a first connecting device, wherein one side of the telescopic block extends into the surrounding edge, and the other side of the telescopic block is abutted with the telescopic block of the other windshield unit; the first connecting device comprises a telescopic piece and a rotating piece, one end of the telescopic piece is connected with the surrounding edge, and the other end of the telescopic piece is connected with the telescopic block through the rotating piece. From this, the multistage windscreen unit follows the activity of carriage and stretches out and draws back and deflect between the train carriage, accessible self displacement variation compensates the displacement variation that the train produced at carriage both ends when going, with mechanical structure replaces traditional rubber outer windshield structure, avoided the outer windshield reliability of rubber not high when reaching the outer windshield effect of rubber, the easy deformation that appears, the vibration, chap, fenestrate problem, the maintenance cost of the outer windshield of train has been reduced, the stability and the reliability of outer windshield have been improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of a windshield assembly provided by an embodiment of the present invention;
FIG. 2 is a schematic view of a windshield unit provided by an embodiment of the invention;
FIG. 3 is a schematic view of a second windshield unit provided in accordance with an embodiment of the invention;
FIG. 4 is a schematic structural view of a third windshield unit provided in the embodiment of the invention;
FIG. 5 is a schematic view of the internal structure of a windshield unit provided in accordance with an embodiment of the present invention, with arrows indicating the direction of movement;
FIG. 6 is a schematic view of a connecting device according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a second connecting device according to an embodiment of the present invention;
FIG. 8 is a schematic view of an internal structure of a connecting device according to an embodiment of the present invention;
FIG. 9 is a schematic view of the connection between the telescopic block and the telescopic joint according to the embodiment of the present invention, wherein an arrow indicates a moving direction;
FIG. 10 is a side view of a rail vehicle provided by an embodiment of the present invention;
fig. 11 is a top view of a rail vehicle provided by an embodiment of the invention.
Reference numerals are as follows:
100: a windshield unit; 101: a first windshield unit; 102: a second windshield unit; 103: a third windshield unit; 104: a fourth windshield unit; 10: surrounding edges; 11: a stopper; 20: a telescopic block; 21: a first telescopic block; 22: a second telescopic block; 30: a first connecting means; 301: a first telescopic rod; 302: a second telescopic rod; 303: a base; 304: a connecting seat; 305: a first ball head; 306: a ball joint; 307: a first elastic member; 308: a second elastic member; 31: a second connecting means; 311: a second ball head; 312: a chute; 40: an expansion joint; 401: a third elastic member; 500: a carriage.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
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.
Referring to fig. 1 to 11, an embodiment of the present invention provides an outer windshield of a railway vehicle, which includes a pair of windshield assemblies installed between two adjacent cars 500, and the pair of windshield assemblies abut against each other. Each windshield assembly is formed by surrounding a plurality of segments of windshield units 100, the plurality of segments of windshield units 100 are sequentially arranged along the end part of the opening of the carriage 500 to form a closed loop, the end parts of the adjacent windshield units 100 of the same windshield assembly are abutted, the shape of the closed loop corresponds to the outer contour of the transverse section of the carriage 500, and the segments of windshield units 100 of the two windshield assemblies also correspond one to one.
As shown in fig. 2, in the present embodiment, the windshield unit 100 includes a surrounding edge 10, a telescopic block 20 and a first connecting device 30, one side of the telescopic block 20 extends into the surrounding edge 10, and the other side of the telescopic block 20 abuts against the telescopic block 20 of another windshield unit 100; the surrounding edge 10 and the telescopic block 20 are connected through a first connecting device 30, and the telescopic block 20 can be telescopic relative to the surrounding edge 10 through the first connecting device 30.
In this embodiment, the first connecting device 30 comprises a telescopic member and a rotating member, one end of the telescopic member is connected to the surrounding edge 10, the other end is connected to the telescopic block 20 through the rotating member, and the rotating axis of the rotating member is perpendicular to the telescopic member and the telescopic block 20. Therefore, the telescopic block 20 has a certain angle with respect to the surrounding edge 10, so that the telescopic amount of the telescopic block 20 at both ends in the extending direction with respect to the surrounding edge 10 can be different, and the windshield unit 100 can better adapt to the displacement change between the train carriages 500.
The outer windshield of the railway vehicle is of a mechanical structure and made of rigid materials, the outer windshield of the railway vehicle is arranged between two carriages 500, and a closed loop formed by the outer windshield of the railway vehicle seals the two carriages 500 to play a role in connecting the windshields. The two windshield assemblies are butted, the displacement change between the train carriages 500 caused by the road conditions such as turning and uphill is adapted through the expansion and contraction of the expansion block 20 relative to the surrounding edge 10, the displacement difference between the carriages 500 is offset through the expansion and contraction amount of the expansion block 20, and the function of telescopic connection is achieved. The multistage windshield unit stretches out and draws back and deflects along with carriage 500's activity between train carriage 500, accessible self displacement variation compensates the displacement variation that the train produced at carriage 500 both ends when going, replace traditional rubber outer windshield structure with mechanical structure, avoided rubber outer windshield reliability not high when reaching rubber outer windshield effect, the easy deformation that appears, vibrate, chap, fenestrate problem, the maintenance cost of the outer windshield of train has been reduced, the stability and the reliability of outer windshield have been improved.
As shown in fig. 1, in one embodiment, the windshield assembly is of a four-segment structure, i.e., the windshield unit 100 is provided with four segments, which are a first windshield unit 101 disposed on the top surface of the vehicle compartment 500, a second windshield unit 102 disposed on the bottom surface of the vehicle compartment 500, and a third windshield unit 103 and a fourth windshield unit 104 disposed on the laterally opposite sides of the vehicle compartment 500. Meanwhile, as shown in fig. 5, the first connecting means 30 is provided at the center line of each windshield unit 100, respectively. Thus, each segment of the windshield unit 100 can be extended and retracted along the direction of the train and can rotate by taking the center thereof as a rotation axis, so that the displacement image between the train carriages 500 can be better adapted.
It can be understood that, the displacement between the train carriages 500 mainly receives the influence of turning and going up and down the slope, that is to say, the main activity mode of carriage 500 is rotation in the horizontal plane and rotation in the vertical plane, the intersection of the upper and lower left and right panels of carriage 500, that is to say, the oblique angle department of carriage 500 is often the displacement volume the biggest, therefore, in this embodiment, windshield unit 100 is equipped with upper and lower left and right sides four sections, each windshield unit 100 can be rotatory with the upper and lower left and right panels central point of train, the fine problem that the displacement volume of the oblique angle department of carriage 500 is big of having solved, better make up the clearance between the carriage 500 when the train turns and goes up the downhill path, make the better displacement variation who satisfies carriage 500 of windshield subassembly, further improve the outer windshield effect of rail vehicle.
As shown in fig. 3 and 4, in the present embodiment, the first damper unit 101 and the second damper unit 102 are opposite to each other in the up-down direction, and the second damper unit 102 located below is preferably in a straight line shape according to the transverse profile shape of the train car 500, and the first damper unit 101, the third damper unit 103, and the fourth damper unit 104 may be provided in an arc shape for better coupling transition so that there is no excessive rotation angle between the damper units 100.
Certainly, the windshield assembly of the multi-section outer windshield provided by the invention is not limited to splicing the four sections of windshield units 100, other numbers of windshield units 100 can be spliced to form a closed loop according to the train contour, and the four sections of windshield units 100 are conveniently arranged in pairs from top to bottom and from left to right, and are not limited too much here.
In one embodiment, as shown in fig. 5, the rotating member of the first connecting device 30 is a first ball head 305 disposed at an end of the telescopic member, a ball joint 306 corresponding to the first ball head 305 is disposed inside the telescopic block 20, and the telescopic block 20 is rotatably connected with respect to the telescopic member through the rotation fit of the ball joint 306 and the first ball head 305.
In this embodiment, the first ball head 305 is located in the middle of the telescopic block 20, and the ball head joint 306 is also located in the middle of the telescopic block 20, so that the telescopic block 20 rotates around the central line thereof, and the extending and compressing directions of the two ends of the telescopic block 20 are consistent, thereby ensuring the stable rotation and extension of the telescopic block 20, and being beneficial to the windshield unit 100 to better offset the displacement between the two carriages 500.
Further, as shown in fig. 5, the windshield unit 100 is further provided with at least two second connecting devices 31, the second connecting devices 31 are provided in pairs on both sides of the first connecting device 30, one end of the second connecting device 31 is connected to the surrounding edge 10, and the other end is connected to the telescopic block 20. Because the telescopic block 20 is in a rotating state, the displacement of the two ends is larger than that of the middle part, therefore, the two ends inside the telescopic block 20 are respectively provided with the second connecting device 31, the second connecting device 31 has a telescopic function and acts between the surrounding edge 10 and the telescopic block 20, a buffering and supporting effect can be well played, the second connecting devices 31 are matched with the first connecting device 30 in the middle part together, the telescopic function and the rotating function of the windshield unit 100 are realized, and the reliability of the windshield unit 100 is improved.
It should be noted that, due to the rotation of the telescopic block 20, the two ends of the telescopic block 20 will deviate in the telescopic direction when telescopic, and if the end of the second connecting device 31 is fixedly connected to the telescopic block 20, the telescopic block 20 will not rotate.
In order to solve this problem, in this embodiment, as shown in fig. 5 and 7, a second ball 311 is disposed at an end of the second connecting device 31 close to the telescopic block 20, the second ball 311 abuts against the telescopic block 20, a sliding slot 312 is disposed at a position of the telescopic block 20 corresponding to the second ball 311, the second ball 311 extends into the sliding slot 312 and can slide in the sliding slot 312, and therefore, the telescopic block 20 is slidably connected to the second connecting device 31 through the cooperation between the sliding slot 312 and the second ball 311. When the telescopic block 20 rotates, the second ball 311 slides in the sliding groove 312, and the second ball 311 plays a role in elastically supporting the telescopic block 20 and simultaneously can move the abutting point of the second connecting device 31 and the telescopic block 20, so that the telescopic block 20 is ensured to rotate.
In this embodiment, the second connecting device 31 may be the same as the first connecting device 30, or may be an elastic supporting device such as a spring, which is not limited herein. The number of the second connecting means 31 can be increased or decreased according to the number of the telescopic blocks 20.
As shown in fig. 2, in one embodiment, the telescoping block 20 may be a double layer telescoping structure. The telescopic block 20 comprises a first telescopic block 21 and a second telescopic block 22 which are overlapped, one side of the first telescopic block 21 extends to the inside of the second telescopic block 22, the other side of the first telescopic block 21 is connected with the first telescopic block 21 of another windshield unit 100 in an abutting mode, one side, far away from the first telescopic block 21, of the second telescopic block 22 extends to the inside of the surrounding edge 10, and the first telescopic block 21 and the second telescopic block 22 are respectively connected with a first connecting device 30. In this embodiment, the double-layer overlapping structure of the first telescopic block 21 and the second telescopic block 22 is more beneficial to the overall extension and retraction of the telescopic block 20, so that the extension and retraction displacement of the telescopic block 20 is closer to the displacement between the carriages 500, and the extension and retraction of the windshield unit 100 is smoother and more stable.
Of course, the telescopic block 20 is not limited to the double-layer structure, and a multi-layer telescopic block 20 is also possible, and the number of layers of the telescopic block 20 is not limited.
Further, the outer side surface of the outermost expansion block 20 is preferably formed as an arc surface, so that the two expansion blocks 20 are abutted by the arc surface, thereby realizing rotation between the two expansion blocks 20 and improving the rotation efficiency of the windshield unit 100. Of course, the outer surface shape of the expansion block 20 is not limited to the circular arc surface, and other shapes are possible.
In some embodiments, since the telescopic block 20 has a double-layer structure of the first telescopic block 21 and the second telescopic block 22, correspondingly, the first connecting means 30 and the second connecting means 31 may be provided in a double-layer telescopic structure.
As shown in fig. 6-8, in one embodiment, the first connecting device 30 includes a base 303, a first telescopic rod 301 and a second telescopic rod 302, the first telescopic rod 301 is connected to the second telescopic rod 302 through a first elastic member 307, the second telescopic rod 302 is connected to the base 303 through a second elastic member 308, the base 303 is connected to the surrounding edge 10, the second telescopic rod 302 is connected to the second telescopic block 22, and the first telescopic rod 301 is connected to the first telescopic block 21 through a rotating member.
That is, the end of the first telescopic rod 301 is provided with the first ball head 305, the first telescopic rod 301 stretches relative to the second telescopic rod 302, and the second telescopic rod 302 stretches relative to the base 303, so that a double-layer stretching effect is achieved. Preferably, the first elastic member 307 and the second elastic member 308 may employ springs.
Further, as shown in fig. 6-8, in an embodiment, the second telescopic rod 302 is fixedly provided with an L-shaped connecting seat 304, the connecting seats 304 are arranged in pairs with the second telescopic rod 302 as an axis, and the connecting seat 304 is fixedly connected with the second telescopic block 22. The bottom of the second telescopic block 22 can be set off by the L-shaped connecting seat 304, so that the effect of fixedly connecting the second telescopic block 22 is achieved, and the structural stability and reliability of the second telescopic block 22 are improved.
In this embodiment, the peripheral edge 10 may be divided into an outer peripheral edge and an inner peripheral edge, a cavity between the outer peripheral edge and the inner peripheral edge is used for inserting the second expansion block 22, and the first coupling means 30 is fixedly installed between and couples the outer peripheral edge and the inner peripheral edge. The provision of the peripheral edge and the inner peripheral edge facilitates assembly and disassembly of the windshield unit 100. The end parts of the outer surrounding edge and the inner surrounding edge, which are close to the second telescopic block 22, are respectively provided with a stop dog 11, and the stop dogs 11 effectively prevent the second telescopic block 22 from movably separating from the surrounding edge 10.
As shown in fig. 9, in an embodiment, the two ends of the telescopic block 20 are respectively provided with a telescopic joint 40, the two ends of the telescopic block 20 can be provided with openings, the telescopic joint 40 is arranged in the opening at the end of the telescopic block 20, and the telescopic joint 40 can be telescopic relative to the extending direction of the telescopic block 20.
Specifically, the telescopic joint 40 is connected with the telescopic block 20 through a third connecting member 401, the third connecting member 401 may be a spring, and the telescopic direction of the spring is the same as the extending direction of the telescopic block 20, so as to ensure that the telescopic joint 40 is telescopic and adjustable relative to the telescopic block 20.
In this embodiment, the expansion joints 40 between two adjacent windshield units 100 are abutted, and since the expansion joints 40 are adjustable in expansion relative to the expansion block 20, when the expansion block 20 rotates, the displacement variation at the two ends of the expansion block 20 is relatively large, and the elastic expansion of the expansion joints 40 can just compensate the displacement at the end of the expansion block 20, so that the two expansion joints 40 are always abutted, and the windshield units 100 are always abutted without generating gaps in the moving state.
Preferably, as shown in fig. 3 and 4, the outer surface of the telescopic joint 40 is a circular arc surface, so as to facilitate the rotation of the adjacent telescopic joints 40 in the abutting process, and facilitate the dynamic movement of the windshield unit 100.
As shown in fig. 10 and 11, an embodiment of the present invention further provides a railway vehicle, wherein an outer windshield of the railway vehicle mentioned in the above embodiment is arranged between adjacent carriages 500 of the railway vehicle; wherein, two relative windscreen subassemblies are connected two sections carriage 500 tip respectively, and surrounding edge 10 fixed connection carriage 500 tip, and telescopic piece 20 and the telescopic piece 20 butt of another relative windscreen subassembly. Since the rail vehicle is provided with the rail vehicle outer windshield mentioned in the above embodiment, the rail vehicle has all the advantages of the above embodiment, and details are not described herein.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An outer windshield for a rail vehicle, comprising:
a pair of windshield assemblies which are arranged between two adjacent carriages and mutually abutted;
the windshield assembly comprises a plurality of segments of windshield units, the windshield units are sequentially arranged along the end part of the opening of the carriage to form a closed loop, and the segments of the windshield assembly correspond to each other one by one;
the windscreen unit is including surrounding edge, flexible piece and first connecting device, first connecting device includes the extensible member and rotates the piece, the one end of extensible member is connected the surrounding edge, the other end is connected through rotating the flexible piece, flexible piece one side extends to in the surrounding edge, opposite side and another the flexible piece looks butt of windscreen subassembly.
2. The railway vehicle outer windshield according to claim 1, wherein the windshield units are arranged in pairs opposite to each other around the open end of the compartment, and the connecting devices are respectively arranged at the centers of the windshield units.
3. The railway vehicle outer windshield according to claim 2, wherein the rotating piece is a first ball head arranged at an end of the telescopic piece, the telescopic block is provided with a ball head joint corresponding to the first ball head, and the telescopic block is rotatably connected with the telescopic piece through the rotating fit of the ball head joint and the first ball head.
4. The railway vehicle outer windshield of claim 3, wherein the windshield unit further comprises second connecting devices, the second connecting devices are arranged on two sides of the first connecting device in pairs, one end of each second connecting device is connected with the surrounding edge, and the other end of each second connecting device is connected with the telescopic block.
5. The railway vehicle outer windshield according to claim 4, wherein a second ball head is arranged at the end of the second connecting device close to the telescopic block, the second ball head abuts against the telescopic block, a sliding groove is formed in the telescopic block corresponding to the second ball head, and the telescopic block is in sliding connection with the second connecting device through the matching of the sliding groove and the second ball head.
6. The railway vehicle outer windshield according to any one of claims 1 to 5, wherein telescopic joints are respectively arranged at two ends of the telescopic block, the telescopic joints are arranged in a telescopic manner relative to the extending direction of the telescopic block, and adjacent telescopic joints are abutted.
7. The railway vehicle outer windshield according to any one of claims 1 to 5, wherein the telescopic blocks comprise a first telescopic block and a second telescopic block, one side of the first telescopic block extends to the inside of the second telescopic block, the other side of the first telescopic block abuts against the first telescopic block of the other windshield unit, one side of the second telescopic block, which is far away from the first telescopic block, extends to the inside of the surrounding edge, and the first telescopic block and the second telescopic block are respectively connected with the first connecting device.
8. The railway vehicle outer windshield of claim 7, wherein the connecting device comprises a base, a first telescopic rod and a second telescopic rod, the first telescopic rod is connected with the second telescopic rod through a first elastic piece, the second telescopic rod is connected with the base through a second elastic piece, the base is connected with the surrounding edge, the second telescopic rod is connected with the second telescopic block, and the first telescopic rod is connected with the first telescopic block through the rotating piece.
9. The railway vehicle outer windshield according to claim 8, wherein the second telescopic rod is fixedly provided with L-shaped connecting seats, the connecting seats are arranged in pairs by taking the second telescopic rod as an axis, and the connecting seats are fixedly connected with the second telescopic block.
10. A railway vehicle comprising a plurality of cars, adjacent ones of which are disposed with an outer windshield of a railway vehicle as claimed in any one of claims 1 to 9; the surrounding edge is connected with the end part of the carriage, and the telescopic block is abutted with the telescopic block of the other opposite windshield assembly.
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| CN202210754182.6A CN115027517B (en) | 2022-06-28 | 2022-06-28 | Rail vehicle outer windshield and rail vehicle |
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| CN202210754182.6A CN115027517B (en) | 2022-06-28 | 2022-06-28 | Rail vehicle outer windshield and rail vehicle |
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| CN115027517A true CN115027517A (en) | 2022-09-09 |
| CN115027517B CN115027517B (en) | 2023-09-22 |
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| CN115743201A (en) * | 2022-11-14 | 2023-03-07 | 湖南铁道职业技术学院 | Inter-vehicle damping device for high-speed motor train unit |
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|---|---|
| CN115027517B (en) | 2023-09-22 |
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