CN204575354U - A kind of rail truck strength test longitudinal force charger - Google Patents
A kind of rail truck strength test longitudinal force charger Download PDFInfo
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- CN204575354U CN204575354U CN201520276522.4U CN201520276522U CN204575354U CN 204575354 U CN204575354 U CN 204575354U CN 201520276522 U CN201520276522 U CN 201520276522U CN 204575354 U CN204575354 U CN 204575354U
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Abstract
The utility model discloses a kind of rail truck strength test longitudinal force charger, for carrying out longitudinal force loading to the car body of rail truck, device comprises: be arranged on the crossbeam composition outside car body longitudinal two, is arranged on the longeron composition outside cross-car two.Crossbeam composition, the crisscross truss structure connecting into inner hollow of longeron composition, car body is arranged on the inside of truss structure.Device also comprises: be arranged on the longitudinal both ends of car body and adjacent beams form between connecting rod form, the crossbeam being arranged on truss structure wherein one end forms and connecting rod in the same side form between oil cylinder.Oil cylinder applies to stretch or force of compression, for rail truck strength test provides outside longitudinal stretching or force of compression by longitudinal two ends of connecting rod composition to car body.The utility model can overcome that existing longitudinal force charger needs to arrange ground, has high input, the cycle is long, take fixed venue, and can not realize the technical matters that longitudinal compressing force and tensile force load simultaneously.
Description
Technical field
The utility model relates to a kind of rail truck test unit, especially relates to a kind of car strength test longitudinal force charger being applied to rail truck test field.
Background technology
Strength test is one of type approval test must carried out before rail truck product export, and wherein the test load of longitudinal stretching and compression two kinds of operating modes must meet the relevant regulations of railway systems standard.Compared with the load working condition in other direction, the load value of longitudinal stretching and compression condition is large, needs special charger, implements difficulty large, and especially longitudinal stretching load loads and is difficult to especially realize.
Existing test of static strength charger is all that one end is fixed usually, and arranges solid firmly ground, and the other end adjusts length distance by pre-buried foot bolt in large quantities.Therefore, the reacting force of longitudinal loading is passed to ground by a large amount of built-in fitting by this mode, therefore must arrange solid firmly, carrying base that volume is enough large, thus cause that experimental basis facility has high input, the cycle long, place is fixed, adaptability is poor.In addition, in prior art, also have a kind of frame-type charger, but this mode can only realize longitudinal compression load to be loaded, and the loading of longitudinal stretching load can not be realized on same device.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of rail truck strength test longitudinal force charger, can overcome the technical matters that existing longitudinal force charger needs to arrange ground, has high input, the cycle is long, take fixed venue.
In order to realize above-mentioned utility model object, the utility model specifically provides a kind of technic relization scheme of rail truck strength test longitudinal force charger, and for carrying out longitudinal force loading to the car body of described rail truck, described device comprises:
Be arranged on the crossbeam composition outside described car body longitudinal two;
Be arranged on the longeron composition outside described cross-car two;
Described crossbeam composition, the crisscross truss structure connecting into inner hollow of longeron composition, described car body is arranged on the inside of described truss structure;
Described device also comprises:
Be arranged on the longitudinal both ends of described car body and adjacent described crossbeam form between connecting rod form;
Be arranged on the described truss structure wherein crossbeam composition of one end and the oil cylinder between the described connecting rod of the same side forms;
Longitudinal two ends that described oil cylinder consists of to described car body described connecting rod apply longitudinal stretching force or force of compression.
Preferably, when described longitudinal force charger works in stretching operating mode, described crossbeam composition comprises stiff end crossbeam and oil cylinder end floor beam, described longeron composition comprises curb girder composition one and curb girder composition two, described connecting rod composition comprises stiff end pull bar composition and oil cylinder end pull bar composition, and described device also comprises tie-beam composition and loads crossbeam.Described stiff end crossbeam is connected to one end of described curb girder composition one, curb girder composition two, described oil cylinder end floor beam is connected to the other end of described curb girder composition one, curb girder composition two, described tie-beam composition be connected to described curb girder composition one and curb girder form two between form truss structure.One end of described oil cylinder end pull bar composition is connected with the loading crossbeam being positioned at described truss structure outside through described oil cylinder end floor beam, and described oil cylinder is arranged between described loading crossbeam and oil cylinder end floor beam.The non-piston end of described oil cylinder is fixedly connected with described loading crossbeam or oil cylinder end floor beam, and the other end of described oil cylinder end pull bar composition is connected with one end of described car body.One end of described stiff end pull bar composition is connected with described stiff end crossbeam, and the other end of described stiff end pull bar composition is connected with the other end of described car body.
Preferably, described oil cylinder end floor beam and described curb girder form one, curb girder adopts flanged plate between forming two, bolt is fixedly connected with.Described oil cylinder end pull bar composition is connected with the front draft lug of draw beam one end of described car body through described oil cylinder end floor beam one end, and the other end of described oil cylinder end pull bar composition is connected with described loading crossbeam by block, bolt.Be connected by least two oil cylinders between described loading crossbeam with described oil cylinder end floor beam, described oil cylinder is connected on described oil cylinder end floor beam by flanged plate, bolt, and the piston end contact of described oil cylinder is connected on described loading crossbeam.
Preferably, described stiff end crossbeam and described curb girder form one, curb girder adopts flanged plate between forming two, bolt is fixedly connected with.Described stiff end pull bar composition is connected with the front draft lug of the draw beam other end of described car body through described stiff end crossbeam one end, and the other end of described stiff end pull bar composition is connected with described stiff end crossbeam by block, bolt.
Preferably, when described longitudinal force charger works in stretching operating mode, described oil cylinder extends, and making the two ends of described car body all be subject to the effect of stretching external force, is the longitudinal stretching force of rail truck strength test outside.The piston end of described oil cylinder acts on described loading crossbeam, described loading crossbeam is moved to the direction away from described car body, described oil cylinder end pull bar composition stretches under the horizontal beam action of described loading, thus makes described car body be subject to tensile force effect near one end of described oil cylinder end floor beam.While the piston end of described oil cylinder extends, described oil cylinder end floor beam is subject to the reacting force of described oil cylinder simultaneously, described oil cylinder end floor beam is moved to the direction of car body, and the described curb girder be connected with described oil cylinder end floor beam form one, curb girder forms two and is compressed.Form one with described curb girder, curb girder forms that stiff end crossbeam that two other ends are connected forms one at described curb girder, curb girder moves to the direction away from described car body under forming the reaction force acts of two, the described stiff end pull bar be connected with described stiff end crossbeam forms and is subject to tensile force effect, the tensile force of described stiff end pull bar composition acts on the front draft lug of described car body other end draw beam, and then makes the other end of described car body also be subject to tensile force effect.
Preferably, when described longitudinal force charger works in compression condition, described crossbeam composition comprises stiff end crossbeam and oil cylinder end floor beam, described longeron composition comprises curb girder composition one and curb girder composition two, described connecting rod composition comprises stiff end depression bar composition and oil cylinder end-post composition, and described device also comprises tie-beam composition.Described stiff end crossbeam is connected to one end of described curb girder composition one, curb girder composition two, described oil cylinder end floor beam is connected to the other end of described curb girder composition one, curb girder composition two, described tie-beam composition be connected to described curb girder composition one and curb girder form two between form truss structure.One end of described oil cylinder end-post composition is connected with described oil cylinder end floor beam by described oil cylinder, and the other end of described oil cylinder end-post composition is connected with one end of described car body.One end of described stiff end depression bar composition is connected with described stiff end crossbeam, and the other end of described stiff end depression bar composition is connected with the other end of described car body.
Preferably, described oil cylinder end floor beam and described curb girder form one, curb girder adopts flanged plate between forming two, bolt is fixedly connected with.One end of described oil cylinder end-post composition by pressing plate function on the rear draft lug of draw beam one end of described car body, the other end of described oil cylinder end-post composition is connected with described oil cylinder by flange, bolt, and described oil cylinder is fixedly connected with the flanged plate on described oil cylinder end floor beam by flange.
Preferably, described stiff end crossbeam and described curb girder form one, curb girder adopts flanged plate between forming two, bolt is fixedly connected with.One end of described stiff end depression bar composition is connected with the flanged plate on described stiff end crossbeam, the other end that described stiff end depression bar forms by pressing plate function on the rear draft lug of the draw beam other end of described car body.
Preferably, when described longitudinal force charger works in compression condition, described oil cylinder extends, and making the two ends of described car body all be compressed the effect of external force, is the longitudinal compressing force of rail truck strength test outside.The described oil cylinder end-post be connected with described oil cylinder forms and is compressed power effect, the other end of described oil cylinder end-post composition acts on the rear draft lug of draw beam one end of described car body, thus makes described car body be compressed power effect near one end of described oil cylinder end floor beam.Described oil cylinder end floor beam moves to the direction away from described car body under the reaction force acts of described oil cylinder, and the described curb girder be connected with described oil cylinder end floor beam forms one, curb girder forms two and is subject to tensile force effect.Form one with described curb girder, curb girder forms that stiff end crossbeam that two other ends are connected forms one at described curb girder, curb girder moves to the direction of described car body under forming the effect of two tensile forces, thus the stiff end depression bar connecting described stiff end crossbeam and the described car body other end is formed be compressed power effect, the compression force of the described stiff end depression bar composition other end on the rear draft lug of the draw beam other end of described car body, and then makes the other end of described car body also be compressed the effect of external force.
Preferably, described curb girder composition one, curb girder composition two lay respectively at the car body left and right sides being loaded rail truck, the two ends of described curb girder composition one, curb girder composition two are fixedly connected with by described stiff end crossbeam, oil cylinder end floor beam, realize the loading transmission of longitudinal force.Described curb girder composition one, curb girder composition two include some sections of side rail element, are fixedly connected with between adjacent described side rail element by flanged plate, bolt.Form with described tie-beam by flanged plate, bolt between described curb girder composition one, curb girder composition two and is fixedly connected with, when loading for increasing longitudinal force described curb girder form one, curb girder form two lateral stability.
By implementing the technical scheme of the rail truck strength test longitudinal force charger that above-mentioned the utility model provides, there is following beneficial effect:
(1) the utility model rail truck strength test longitudinal force charger adopts without ground truss structure, total Test load is all converted into the structural internal force of charger, without acting force to external world, without the need to arranging ground, different tests place can be adapted to neatly;
(2) bearing height of the utility model rail truck strength test longitudinal force charger is adjustable flexibly, while can adapting to different bearing height vehicle test, reduce the requirement to ground, test site strip flatness, decrease the input that test facilities are built;
(3) the utility model rail truck strength test longitudinal force charger adopts truss structure, and stability rigidity is large, can realize longitudinal stretching force and load, and also can realize longitudinal compressing force and load;
(4) the utility model rail truck strength test longitudinal force charger adopts modular design, can adapt to the loading of different length car strength test longitudinal force;
(5) each intermodule of the utility model rail truck strength test longitudinal force charger adopts flange, bolt fastening structure, installs, disassembles, transports and store convenient and swift.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other embodiment according to these accompanying drawings.
Fig. 1 is the structural representation side view of a kind of embodiment of the utility model rail truck strength test longitudinal force charger under compression condition;
Fig. 2 is the structural representation front view of a kind of embodiment of the utility model rail truck strength test longitudinal force charger under compression condition;
Fig. 3 is the structural representation side view of a kind of embodiment of the utility model rail truck strength test longitudinal force charger under stretching operating mode;
Fig. 4 is the structural representation front view of a kind of embodiment of the utility model rail truck strength test longitudinal force charger under stretching operating mode;
Fig. 5 be a kind of embodiment of the utility model rail truck strength test longitudinal force charger under compression condition with the perspective view of car body;
Fig. 6 is the perspective view of the utility model rail truck strength test a kind of embodiment of longitudinal force charger under compression condition;
Fig. 7 be a kind of embodiment of the utility model rail truck strength test longitudinal force charger under stretching operating mode with the perspective view of car body;
Fig. 8 is the perspective view of the utility model rail truck strength test a kind of embodiment of longitudinal force charger under stretching operating mode;
Fig. 9 is the planar structure schematic diagram of a kind of embodiment of the utility model rail truck strength test longitudinal force charger under compression condition;
Figure 10 is the planar structure schematic diagram of a kind of embodiment of the utility model rail truck strength test longitudinal force charger under stretching operating mode;
Figure 11 is the partial structurtes schematic diagram of curb girder composition in a kind of embodiment of the utility model rail truck strength test longitudinal force charger;
Figure 12 is a kind of embodiment of the utility model rail truck strength test longitudinal force charger oil cylinder end pull bar composition and local syndeton schematic diagram loading crossbeam under stretching operating mode;
Figure 13 is the local syndeton schematic diagram of a kind of embodiment of the utility model rail truck strength test longitudinal force charger oil cylinder end pull bar composition and car body draw beam front draft lug under stretching operating mode;
Figure 14 is the local syndeton schematic diagram of a kind of embodiment of the utility model rail truck strength test longitudinal force charger stiff end pull bar composition and stiff end crossbeam under stretching operating mode;
Figure 15 is the local syndeton schematic diagram of a kind of embodiment of the utility model rail truck strength test longitudinal force charger oil cylinder end-post composition and oil cylinder under compression condition;
Figure 16 is the local syndeton schematic diagram of a kind of embodiment of the utility model rail truck strength test longitudinal force charger oil cylinder end-post composition and car body draw beam rear draft lug under compression condition;
Figure 17 is the local syndeton schematic diagram of a kind of embodiment of the utility model rail truck strength test longitudinal force charger stiff end depression bar composition and stiff end crossbeam under compression condition;
In figure: 1-stiff end crossbeam, 21-stiff end depression bar forms, and 22-stiff end pull bar forms, 3-curb girder composition one, 4-tie-beam composition, 5-curb girder composition two, 61-oil cylinder end-post forms, and 62-oil cylinder end pull bar forms, 7-oil cylinder end floor beam, 8-oil cylinder, 9-loads crossbeam, 10-ground supports, 11-car body, 12-draw beam, 13-front draft lug, 14-rear draft lug, 15-lock support seat.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment.Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in accompanying drawing 1 to accompanying drawing 17, give the specific embodiment of the utility model rail truck strength test longitudinal force charger, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The rail truck strength test longitudinal force charger that the utility model specific embodiment describes realizes the loading of rail truck test of static strength longitudinal force and is divided into compression and the two kinds of operating modes that stretch.Rail truck strength test longitudinal force charger, for carrying out longitudinal force loading to the car body 11 of rail truck, device comprises: be arranged on the crossbeam composition outside longitudinal (direction as shown in V in accompanying drawing 9 and 10) two of car body 11, is arranged on the longeron composition outside horizontal (direction as shown in H in accompanying drawing 9 and 10) two of car body 11.Crossbeam composition, the crisscross truss structure connecting into inner hollow of longeron composition, car body 11 is arranged on the inside of truss structure.Device also comprises: be arranged on the longitudinal both ends of car body 11 and adjacent beams form between connecting rod form, be arranged on truss structure wherein the crossbeam composition of one end and the connecting rod in the same side form between oil cylinder 8.Longitudinal two ends that oil cylinder 8 consists of to car body 11 connecting rod apply longitudinal stretching force or force of compression.When device works in stretching operating mode, rail truck test of static strength longitudinal force charger comprises: stiff end crossbeam 1, stiff end pull bar composition 22, curb girder composition 1, tie-beam composition 4, curb girder composition 25, oil cylinder end pull bar composition 62, oil cylinder end floor beam 7, oil cylinder 8, load crossbeam 9 and ground supports 10.When device works in compression condition, rail truck test of static strength longitudinal force charger comprises: stiff end crossbeam 1, stiff end depression bar composition 21, curb girder composition 1, tie-beam composition 4, curb girder composition 25, oil cylinder end-post composition 61, oil cylinder end floor beam 7, oil cylinder 8 and ground supports 10.The utility model specific embodiment applies longitudinal stretching or force of compression by oil cylinder 8 on the forward and backward clump panel seat of rail truck car body 11 draw beam 12, realize longitudinal stretching and the compressive load operating mode of car body 11 stryctyrak test, to test the stress situation at each position of car body 11.
Embodiment 1
As shown in accompanying drawing 3,4,10, a kind of specific embodiment of rail truck strength test longitudinal force charger, for carrying out longitudinal force loading to the car body 11 of rail truck.When longitudinal force charger works in stretching operating mode, longitudinal force charger comprises stiff end crossbeam 1, stiff end pull bar composition 22, curb girder composition 1, tie-beam composition 4, curb girder composition 25, oil cylinder end pull bar composition 62, oil cylinder end floor beam 7, oil cylinder 8 and loads crossbeam 9.Stiff end crossbeam 1 is connected to one end of curb girder composition 1, curb girder composition 25, and oil cylinder end floor beam 7 is connected to the other end of curb girder composition 1, curb girder composition 25.Tie-beam composition 4 be connected to curb girder composition 1 and curb girder form 25 between form truss structure, car body 11 is arranged on the inside of truss structure.One end of oil cylinder end pull bar composition 62 is connected with the loading crossbeam 9 being positioned at truss structure outside through oil cylinder end floor beam 7, oil cylinder 8 is arranged on and loads between crossbeam 9 and oil cylinder end floor beam 7, the non-piston end of oil cylinder 8 is fixedly connected with loading crossbeam 9 or oil cylinder end floor beam 7, and the other end of oil cylinder end pull bar composition 62 is connected with one end of car body 11.One end of stiff end pull bar composition 22 is connected with stiff end crossbeam 1, and the other end of stiff end pull bar composition 22 is connected with the other end of car body 11.
As shown in accompanying drawing 8 and accompanying drawing 11, curb girder composition 1, curb girder composition 25 lay respectively at car body 11 left and right sides being loaded rail truck, the two ends of curb girder composition 1, curb girder composition 25 are fixedly connected with by stiff end crossbeam 1, oil cylinder end floor beam 7, realize the loading transmission of longitudinal force.Curb girder composition 1, curb girder composition 25 include some sections of side rail element, are fixedly connected with between adjacent side rail element by flanged plate, bolt.In the utility model embodiment, curb girder composition 1, curb girder composition 25 include three sections of side rail element, all adopt flanged plate and bolt type of attachment, facilitate the installation of this test unit and disassemble between every section.Form 4 by flanged plate, bolt with tie-beam between curb girder composition 1, curb girder composition 25 to be fixedly connected with, the lateral stability of curb girder composition 1, curb girder composition 25 when loading for increasing longitudinal force.
As shown in accompanying drawing 12 and accompanying drawing 13, oil cylinder end floor beam 7 and curb girder form 1, curb girder adopts flanged plate between forming 25, bolt is fixedly connected with.Oil cylinder end pull bar composition 62 is connected with the front draft lug 13 of draw beam 12 one end of car body 11 through oil cylinder end floor beam 7 one end, and the other end of oil cylinder end pull bar composition 62 is connected with loading crossbeam 9 by block, bolt.Load crossbeam 9 to be connected by least two oil cylinders 8 with between oil cylinder end floor beam 7, oil cylinder 8 is connected on oil cylinder end floor beam 7 by flanged plate, bolt, and the piston end contact of oil cylinder 8 connects (freely leaning in on-fixed mode) on loading crossbeam 9.In the utility model embodiment, load crossbeam 9 and be connected by two oil cylinders with between oil cylinder end floor beam 7, by the bolt tightened on oil cylinder end pull bar composition 62, the piston end end plate of oil cylinder 8 is acted on and load on crossbeam 9.
As shown in Figure 14, stiff end crossbeam 1 and described curb girder form 1, curb girder adopts flanged plate between forming 25, bolt is fixedly connected with.Stiff end pull bar composition 22 is connected with the front draft lug 13 of draw beam 12 other end of car body 11 through stiff end crossbeam 1 one end, and the other end of stiff end pull bar composition 22 is connected with stiff end crossbeam 1 by block, bolt.
Longitudinal force charger also comprises the ground supports 10 be arranged on bottom truss structure, and ground supports 10 is for supporting longitudinal force charger on the ground.
As shown in Figure 7, when longitudinal force charger works in stretching operating mode, oil cylinder 8 extends, and makes the two ends of car body 11 all be subject to the effect of stretching external force, is the longitudinal stretching force of rail truck strength test outside.The piston end of oil cylinder 8 acts on and loads on crossbeam 9, and loading crossbeam 9 is moved to the direction away from car body 11, and oil cylinder end pull bar composition 62 stretches under the effect loading crossbeam 9, thus makes car body 11 be subject to tensile force effect near one end of oil cylinder end floor beam 7.While the piston end of oil cylinder 8 extends, oil cylinder end floor beam 7 is subject to the reacting force of oil cylinder 8 simultaneously, and oil cylinder end floor beam 7 is moved to the direction of car body 11, and the curb girder be connected with oil cylinder end floor beam 7 forms 1, curb girder forms 25 and is compressed.Form 1 with curb girder, curb girder forms that stiff end crossbeam 1 that 25 other ends are connected forms 1 at curb girder, curb girder moves to the direction away from car body 11 under forming the reaction force acts of 25, the stiff end pull bar be connected with stiff end crossbeam 1 forms 22 and is subject to tensile force effect, the tensile force of stiff end pull bar composition 22 acts on the front draft lug 13 of car body 11 other end draw beam 12, and then makes the other end of car body 11 also be subject to tensile force effect.
Embodiment 2
As shown in accompanying drawing 1,2,9, a kind of specific embodiment of rail truck strength test longitudinal force charger, for carrying out longitudinal force loading to the car body 11 of rail truck.When longitudinal force charger works in compression condition, longitudinal force charger comprises stiff end crossbeam 1, stiff end depression bar composition 21, curb girder composition 1, tie-beam composition 4, curb girder composition 25, oil cylinder end-post composition 61, oil cylinder end floor beam 7 and oil cylinder 8.Stiff end crossbeam 1 is connected to one end of curb girder composition 1, curb girder composition 25, and oil cylinder end floor beam 7 is connected to the other end of curb girder composition 1, curb girder composition 25.Tie-beam composition 4 be connected to curb girder composition 1 and curb girder form 25 between form truss structure, car body 11 is arranged on the inside of truss structure.One end of oil cylinder end-post composition 61 is connected with oil cylinder end floor beam 7 by oil cylinder 8, and the other end of oil cylinder end-post composition 61 is connected with one end of car body 11.One end of stiff end depression bar composition 21 is connected with stiff end crossbeam 1, and the other end of stiff end depression bar composition 21 is connected with the other end of car body 11.
As shown in accompanying drawing 6 and accompanying drawing 11, curb girder composition 1, curb girder composition 25 lay respectively at car body 11 left and right sides being loaded rail truck, the two ends of curb girder composition 1, curb girder composition 25 are fixedly connected with by stiff end crossbeam 1, oil cylinder end floor beam 7, realize the loading transmission of longitudinal force.Curb girder composition 1, curb girder composition 25 include some sections of side rail element, are fixedly connected with between adjacent side rail element by flanged plate, bolt.In the utility model embodiment, curb girder composition 1, curb girder composition 25 include three sections of side rail element, all adopt flanged plate and bolt type of attachment, facilitate the installation of this test unit and disassemble between every section.Form 4 by flanged plate, bolt with tie-beam between curb girder composition 1, curb girder composition 25 to be fixedly connected with, the lateral stability of curb girder composition 1, curb girder composition 25 when loading for increasing longitudinal force.
As shown in accompanying drawing 15 and accompanying drawing 16, oil cylinder end floor beam 7 and curb girder form 1, curb girder adopts flanged plate between forming 25, bolt is fixedly connected with.Oil cylinder end-post composition 61 one end by pressing plate function on the rear draft lug 14 of draw beam 12 one end of car body 11, the other end of oil cylinder end-post composition 61 is connected with oil cylinder 8 by flange, bolt, and oil cylinder 8 is fixedly connected with the flanged plate on oil cylinder end floor beam 7 by flange.
As shown in Figure 17, stiff end crossbeam 1 and curb girder form 1, curb girder adopts flanged plate between forming 25, bolt is fixedly connected with.Stiff end depression bar composition 21 one end be connected with the flanged plate on stiff end crossbeam 1, stiff end depression bar form 21 the other end by pressing plate function on the rear draft lug 14 of draw beam 12 other end of described car body 11.Stiff end depression bar composition 21 is provided with lock support seat 15, forms 21 for preventing stiff end depression bar and produce bending distortion when compressing, situation about even dropping.
Longitudinal force charger also comprises the ground supports 10 be arranged on bottom truss structure, and ground supports 10 is for supporting longitudinal force charger on the ground.
As shown in Figure 5, when longitudinal force charger works in compression condition, oil cylinder 8 extends, and makes the two ends of car body 11 all be compressed the effect of external force, is the longitudinal compressing force of rail truck strength test outside.The oil cylinder end-post be connected with oil cylinder 8 forms 61 and is compressed power effect, and the other end of oil cylinder end-post composition 61 acts on the rear draft lug 14 of draw beam 12 one end of car body 11, thus makes car body 11 be compressed power effect near one end of oil cylinder end floor beam 7.Oil cylinder end floor beam 7 moves to the direction away from car body 11 under the reaction force acts of oil cylinder 8, and the curb girder be connected with oil cylinder end floor beam 7 forms 1, curb girder forms 25 and is subject to tensile force effect.Form 1 with curb girder, curb girder forms that stiff end crossbeam 1 that 25 other ends are connected forms 1 at curb girder, curb girder moves to the direction of car body 11 under forming the effect of 25 tensile forces, thus make to be connected and fixed end floor beam 1 and form 21 with the stiff end depression bar of car body 11 other end and be compressed power effect, stiff end depression bar forms the compression force of 21 other ends on the rear draft lug 14 of draw beam 12 other end of car body 11, and then makes the other end of car body 11 also be compressed the effect of external force.
By implementing the technical scheme of the rail truck strength test longitudinal force charger that the utility model specific embodiment describes, following technique effect can be produced:
(1) the rail truck strength test longitudinal force charger that the utility model specific embodiment describes adopts without ground truss structure, total Test load is all converted into the structural internal force of charger, do not produce acting force to external world, without the need to arranging ground, largely reduce the requirement to place, substantially increase test site adaptability, different tests place can be adapted to neatly, decrease experimental basis facility and drop into;
(2) bearing height of the rail truck strength test longitudinal force charger of the utility model specific embodiment description is adjustable flexibly, while can adapting to different bearing height vehicle test, reduce the requirement to ground, test site strip flatness, decrease the input that test facilities are built;
(3) the rail truck strength test longitudinal force charger that the utility model specific embodiment describes adopts truss structure, and stability rigidity is large, decrease material weight, can realize longitudinal stretching force and load, also can realize longitudinal compressing force and load;
(4) the rail truck strength test longitudinal force charger that the utility model specific embodiment describes adopts modular design, by adjusting a certain root module length of longitudinal beam, can realize the loading of different length car strength test longitudinal force;
(5) each intermodule of the rail truck strength test longitudinal force charger of the utility model specific embodiment description adopts flange, bolt fastening structure, installs, disassembles, transports and store convenient and swift;
(6) the rail truck strength test longitudinal force charger bottom that the utility model specific embodiment describes is provided with ground supports, ground supports high flexible is adjustable, the height of adjustable loading center line, adapt to the false chassis of differing heights, bogie and car lifting J-Horner support, while the different bearing height vehicle test of adaptation, reduce floor, test site flatness requirements, decrease test facilities construction and drop into.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from Spirit Essence of the present utility model and technical scheme, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent replacement, equivalence change and modification, all still belongs to the scope of technical solutions of the utility model protection.
Claims (10)
1. a rail truck strength test longitudinal force charger, carry out longitudinal force loading for the car body (11) to described rail truck, it is characterized in that, described device comprises:
Be arranged on the crossbeam composition outside described car body (11) longitudinal two;
Be arranged on the longeron composition outside described car body (11) horizontal two;
Described crossbeam composition, the crisscross truss structure connecting into inner hollow of longeron composition, described car body (11) is arranged on the inside of described truss structure;
Described device also comprises:
Be arranged on described car body (11) longitudinal both ends and adjacent described crossbeam form between connecting rod form;
Be arranged on the described truss structure wherein crossbeam composition of one end and the oil cylinder (8) between the described connecting rod of the same side forms;
Longitudinal two ends that described oil cylinder (8) consists of to described car body (11) described connecting rod apply longitudinal stretching force or force of compression.
2. rail truck strength test longitudinal force charger according to claim 1, it is characterized in that: when described longitudinal force charger works in stretching operating mode, described crossbeam composition comprises stiff end crossbeam (1) and oil cylinder end floor beam (7), described longeron composition comprises curb girder composition one (3) and curb girder composition two (5), described connecting rod composition comprises stiff end pull bar composition (22) and oil cylinder end pull bar composition (62), and described device also comprises tie-beam composition (4) and loads crossbeam (9); Described stiff end crossbeam (1) is connected to one end of described curb girder composition one (3), curb girder composition two (5), described oil cylinder end floor beam (7) is connected to the other end of described curb girder composition one (3), curb girder composition two (5), described tie-beam composition (4) be connected to described curb girder composition one (3) and curb girder form two (5) between form truss structure; One end of described oil cylinder end pull bar composition (62) is connected with the loading crossbeam (9) being positioned at described truss structure outside through described oil cylinder end floor beam (7), and described oil cylinder (8) is arranged between described loading crossbeam (9) and oil cylinder end floor beam (7); The non-piston end of described oil cylinder (8) is fixedly connected with described loading crossbeam (9) or oil cylinder end floor beam (7), and the other end of described oil cylinder end pull bar composition (62) is connected with one end of described car body (11); One end of described stiff end pull bar composition (22) is connected with described stiff end crossbeam (1), and the other end of described stiff end pull bar composition (22) is connected with the other end of described car body (11).
3. rail truck strength test longitudinal force charger according to claim 2, is characterized in that: described oil cylinder end floor beam (7) and described curb girder form one (3), curb girder adopts flanged plate between forming two (5), bolt is fixedly connected with; Described oil cylinder end pull bar composition (62) is connected with the front draft lug (13) of draw beam (12) one end of described car body (11) through described oil cylinder end floor beam (7) one end, and the other end of described oil cylinder end pull bar composition (62) is connected with described loading crossbeam (9) by block, bolt; Be connected by least two oil cylinders (8) between described loading crossbeam (9) with described oil cylinder end floor beam (7), described oil cylinder (8) is connected on described oil cylinder end floor beam (7) by flanged plate, bolt, and the piston end contact of described oil cylinder (8) is connected on described loading crossbeam (9).
4. rail truck strength test longitudinal force charger according to claim 3, is characterized in that: described stiff end crossbeam (1) and described curb girder form one (3), curb girder adopts flanged plate between forming two (5), bolt is fixedly connected with; Described stiff end pull bar composition (22) is connected with the front draft lug (13) of draw beam (12) other end of described car body (11) through described stiff end crossbeam (1) one end, and the other end of described stiff end pull bar composition (22) is connected with described stiff end crossbeam (1) by block, bolt.
5. rail truck strength test longitudinal force charger according to claim 4, it is characterized in that: when described longitudinal force charger works in stretching operating mode, described oil cylinder (8) extends, making the two ends of described car body (11) all be subject to the effect of stretching external force, is the longitudinal stretching force of rail truck strength test outside, the piston end of described oil cylinder (8) acts on described loading crossbeam (9), described loading crossbeam (9) is moved to the direction away from described car body (11), described oil cylinder end pull bar composition (62) stretches under the effect of described loading crossbeam (9), thus makes described car body (11) be subject to tensile force effect near one end of described oil cylinder end floor beam (7), while the piston end of described oil cylinder (8) extends, described oil cylinder end floor beam (7) is subject to the reacting force of described oil cylinder (8) simultaneously, described oil cylinder end floor beam (7) is moved to the direction of car body (11), and the described curb girder be connected with described oil cylinder end floor beam (7) form one (3), curb girder forms two (5) and is compressed, one (3) is formed with described curb girder, the stiff end crossbeam (1) that curb girder composition two (5) other end connects is at described curb girder composition one (3), move to the direction away from described car body (11) under the reaction force acts of curb girder composition two (5), the described stiff end pull bar be connected with described stiff end crossbeam (1) forms (22) and is subject to tensile force effect, the tensile force of described stiff end pull bar composition (22) acts on the front draft lug (13) of described car body (11) other end draw beam (12), and then make the other end of described car body (11) also be subject to tensile force effect.
6. rail truck strength test longitudinal force charger according to claim 1, it is characterized in that: when described longitudinal force charger works in compression condition, described crossbeam composition comprises stiff end crossbeam (1) and oil cylinder end floor beam (7), described longeron composition comprises curb girder composition one (3) and curb girder composition two (5), described connecting rod composition comprises stiff end depression bar composition (21) and oil cylinder end-post composition (61), and described device also comprises tie-beam composition (4); Described stiff end crossbeam (1) is connected to one end of described curb girder composition one (3), curb girder composition two (5), described oil cylinder end floor beam (7) is connected to the other end of described curb girder composition one (3), curb girder composition two (5), described tie-beam composition (4) be connected to described curb girder composition one (3) and curb girder form two (5) between form truss structure; One end of described oil cylinder end-post composition (61) is connected with described oil cylinder end floor beam (7) by described oil cylinder (8), and the other end of described oil cylinder end-post composition (61) is connected with one end of described car body (11); One end of described stiff end depression bar composition (21) is connected with described stiff end crossbeam (1), and the other end of described stiff end depression bar composition (21) is connected with the other end of described car body (11).
7. rail truck strength test longitudinal force charger according to claim 6, is characterized in that: described oil cylinder end floor beam (7) and described curb girder form one (3), curb girder adopts flanged plate between forming two (5), bolt is fixedly connected with; One end of described oil cylinder end-post composition (61) by pressing plate function on the rear draft lug (14) of draw beam (12) one end of described car body (11), the other end of described oil cylinder end-post composition (61) is connected with described oil cylinder (8) by flange, bolt, and described oil cylinder (8) is fixedly connected with the flanged plate on described oil cylinder end floor beam (7) by flange.
8. rail truck strength test longitudinal force charger according to claim 7, is characterized in that: described stiff end crossbeam (1) and described curb girder form one (3), curb girder adopts flanged plate between forming two (5), bolt is fixedly connected with; One end of described stiff end depression bar composition (21) is connected with the flanged plate on described stiff end crossbeam (1), the other end that described stiff end depression bar forms (21) by pressing plate function on the rear draft lug (14) of draw beam (12) other end of described car body (11).
9. rail truck strength test longitudinal force charger according to claim 8, it is characterized in that: when described longitudinal force charger works in compression condition, described oil cylinder (8) extends, making the two ends of described car body (11) all be compressed the effect of external force, is the longitudinal compressing force of rail truck strength test outside, the described oil cylinder end-post be connected with described oil cylinder (8) forms (61) and is compressed power effect, the other end of described oil cylinder end-post composition (61) acts on the rear draft lug (14) of draw beam (12) one end of described car body (11), thus makes described car body (11) be compressed power effect near one end of described oil cylinder end floor beam (7), described oil cylinder end floor beam (7) is moved to the direction away from described car body (11) under the reaction force acts of described oil cylinder (8), and the described curb girder be connected with described oil cylinder end floor beam (7) forms one (3), curb girder forms two (5) and is subject to tensile force effect, one (3) is formed with described curb girder, the stiff end crossbeam (1) that curb girder composition two (5) other end connects is at described curb girder composition one (3), move to the direction of described car body (11) under the effect of curb girder composition two (5) tensile forces, thus make to connect described stiff end crossbeam (1) and form (21) with the stiff end depression bar of described car body (11) other end and be compressed power effect, the compression force of described stiff end depression bar composition (21) other end is on the rear draft lug (14) of draw beam (12) other end of described car body (11), and then make the other end of described car body (11) also be compressed the effect of external force.
10. the rail truck strength test longitudinal force charger according to any one of claim 2 to 9, it is characterized in that: described curb girder composition one (3), curb girder composition two (5) lay respectively at car body (11) left and right sides being loaded rail truck, the two ends of described curb girder composition one (3), curb girder composition two (5) are fixedly connected with by described stiff end crossbeam (1), oil cylinder end floor beam (7), realize the loading transmission of longitudinal force; Described curb girder composition one (3), curb girder composition two (5) include some sections of side rail element, are fixedly connected with between adjacent described side rail element by flanged plate, bolt; Form (4) with described tie-beam be fixedly connected with by flanged plate, bolt between described curb girder composition one (3), curb girder composition two (5), the lateral stability of described curb girder composition one (3), curb girder composition two (5) when loading for increasing longitudinal force.
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| CN201520276522.4U CN204575354U (en) | 2015-04-30 | 2015-04-30 | A kind of rail truck strength test longitudinal force charger |
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| CN201520276522.4U CN204575354U (en) | 2015-04-30 | 2015-04-30 | A kind of rail truck strength test longitudinal force charger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807656A (en) * | 2015-04-30 | 2015-07-29 | 株洲时代电子技术有限公司 | Longitudinal force loading device for railway vehicle strength test |
| CN108896327A (en) * | 2018-05-22 | 2018-11-27 | 中车青岛四方机车车辆股份有限公司 | Longitudinal force load test system and loading method inside a kind of vehicle body of railway vehicle |
| CN109738142A (en) * | 2019-01-02 | 2019-05-10 | 中车青岛四方机车车辆股份有限公司 | Vehicle body of railway vehicle pilot test of static strength device |
| RU213973U1 (en) * | 2022-03-28 | 2022-10-06 | Акционерное общество Научная организация "Тверской институт вагоностроения" (АО НО "ТИВ") | STAND FOR STRENGTH TESTING OF RAILWAY VEHICLES |
-
2015
- 2015-04-30 CN CN201520276522.4U patent/CN204575354U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807656A (en) * | 2015-04-30 | 2015-07-29 | 株洲时代电子技术有限公司 | Longitudinal force loading device for railway vehicle strength test |
| CN108896327A (en) * | 2018-05-22 | 2018-11-27 | 中车青岛四方机车车辆股份有限公司 | Longitudinal force load test system and loading method inside a kind of vehicle body of railway vehicle |
| CN109738142A (en) * | 2019-01-02 | 2019-05-10 | 中车青岛四方机车车辆股份有限公司 | Vehicle body of railway vehicle pilot test of static strength device |
| RU213973U1 (en) * | 2022-03-28 | 2022-10-06 | Акционерное общество Научная организация "Тверской институт вагоностроения" (АО НО "ТИВ") | STAND FOR STRENGTH TESTING OF RAILWAY VEHICLES |
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