CN204241242U - The secondary load device of bogie frame strength test - Google Patents

The secondary load device of bogie frame strength test Download PDF

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Publication number
CN204241242U
CN204241242U CN201420706889.0U CN201420706889U CN204241242U CN 204241242 U CN204241242 U CN 204241242U CN 201420706889 U CN201420706889 U CN 201420706889U CN 204241242 U CN204241242 U CN 204241242U
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China
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load
seat
loads
loading
vertical
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CN201420706889.0U
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Inventor
周兴建
刘金安
程亚军
王青权
王宇
郭志瑞
王长海
李东日
王海峰
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CRRC Changchun Railway Vehicles Co Ltd
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Changchun Railway Vehicles Co Ltd
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Abstract

The secondary load device of bogie frame strength test belongs to the secondary load device field of bogies for railway vehicles framed intensity test, and this device comprises four vertical torsional loads loading seats, two vertical load loading seats, two groups of nut cushion blocks, transverse load charger, four brake load loading seats, two anti-snake-like swing load loading seats, two gear case load load seat, two longitudinal loadings and lateral confinement loading beam, two motor load loadings seat, longitudinal restraint traction seat and two test drawing pull bar.The beneficial effects of the utility model are: this device extends original arrangement space by multiple load load loading component with extending structure, framed intensity is made to test the number that need not simplify stressed load(ing) point, and each arrangement space exerted a force between driver part or load parts is sufficient, can not interfere and conflict each other, test findings more true and accurate during its simulation frame dynamic comprehensive load state.

Description

The secondary load device of bogie frame strength test
Technical field
The utility model belongs to the secondary load device field of bogies for railway vehicles framed intensity test, is specifically related to a kind of secondary load device of bogie frame strength test.
Background technology
Bogies for railway vehicles as depicted in figs. 1 and 2, its framework is the H type structure be welded by two longerons, 2, two crossbeams 1 and the curb girder 3 that is fixed on crossbeam 1 two ends, each crossbeam 1 includes gear box bracket 1-2, motor hanger 1-3 and group of drawing pull bar seat 1-4, two weldless steel tube 1-1 are parallel to each other, and the spacing both it is respectively by two parallel longeron 2 cross-over connections and fixing.Gear box bracket 1-2 and motor hanger 1-3 is all positioned at the outside of crossbeam 1, one group of drawing pull bar seat 1-4 be fixed on crossbeam 1 stage casing top and between gear box bracket 1-2 and motor hanger 1-3.The two ends of longeron 2 are connected with two crossbeams 1 respectively, and the stage casing, upper end of longeron 2 is provided with the horizontal backstop 2-1 of framework, is provided with a transverse damper seat 2-2 in longeron 2 one end.Two crossbeams 1 are with the vertical turning axle z of framework for center of rotational symmetry, and each other by the angle of circumference Rotational Symmetry of 180 °, two longerons 2 are with same rotation center and angle of circumference Rotational Symmetry each other.
Curb girder 3 comprises air spring seat 3-1 and two cantilever, and two cantilevers lay respectively at the two ends of air spring seat 3-1, and stretches the wing structure of formation to both sides.Each cantilever includes braking flap seat 3-4, primary spring seat 3-3, wing bridge section 3-2, wheel shaft positioning seat 3-5, primary spring seat 3-3 is connected with air spring seat 3-1 by wing bridge section 3-2, braking flap seat 3-4 is fixed on the inner side of wing bridge section 3-2, and wheel shaft positioning seat 3-5 is fixed on the below of wing bridge section 3-2.Braking flap seat 3-4 is formed jointly by braking flap seat cantilever 3-4-1 and braking flap seat pedestal 3-4-2.
As shown in Figure 1, the lateral wall of air spring seat 3-1 is also fixed with an anti-snakelike vibroshock flap seat 3-6 and anti-side rolling torsion rod seat 3-7 respectively.Two curb girders 3 are symmetrical about the integrally-built x-axis of bogie, and are fixed on the two ends of two crossbeams 1 respectively by respective air spring seat 3-1, and whole framework is by welded shaping.
Bogie frame due to rolling stock is the core component of bearing body weight, transmitting tractive power and brake power, after its Theoretical Design completes, usually also needs to carry out density of load test to the bogie frame of primiparity.Framed intensity test comprises test of static strength and Stromeyer test, test of static strength checks framework whether can produce permanent strain under the compound action of theoretical maximum load by carrying out static stress loading test to framework, Stromeyer test is then the comprehensive force environment that continuous analog train bears under normal running environment, to verify the rationality of bogie frame mechanical structure, by obtaining the dynamic stress data of critical component and checking whether framework can produce fatigue crack, undiscovered tired risk point in further identification test of static strength, and provide reference frame for Curve guide impeller.
Strength test adopts hydraulic actuator as the force driving element of stress point straight reciprocating motion usually, as shown in Figure 3, the piston rod Connection Block of driving element front end is divided into various ways, such as, based on joint ball head horizontal connecting shaft type Connection Block a-1, based on joint ball head face type Connection Block a-2, connect type Connection Block b-1 etc. based on the axle of flange.According to the index of normal thrust, hydraulic actuator also can be divided into polytype, as common 50KN type actuator A, 100KN type actuator B, 150KN actuator C, 250KN type actuator D, 500KN type actuator E, in addition, all also often used with the support bar G of universal joint as the pneumatic counter-force bar F of damping element and two ends.Usually one end of these force driving elements or Damper Braces elements is all fixed with the crossbeam of gantry frame, column or level ground, and the other end is connected on bogie to be tested by charger.
To be in operation born comprehensive force environment to reproduce train comparatively truly, just require the stressing conditions of analogue framework and all other associated member as much as possible in Stromeyer test, be subject to load-carrying, extruding at the same time in the hope of abundant simulation frame, stretch, rock, reverse and load state under the force action such as rolling.But, because the hard point on bogie frame is numerous, Impact direction is different, and the one-piece construction of framework is complicated and compact, this makes the overall space loading force driving element very limited, actuator arrangement space wretched insufficiency, even exist and collide with one another and interfere, whole loading cannot be realized in the usual way, therefore, the existing density of load tests the loading having to abandon part force driving element, only stressed loading is carried out to the stressed node of minority framework after mechanics simplifies, there is relatively large deviation in this analog result causing the density of load to be tested and actual conditions, the true stressing conditions of framework can not be reacted well, also there is certain error in the validity of acquired Mechanical Data, blind spot is brought to the risk supervision of frame construction intensity, become an obstacle of vehicle safetyization design.
Utility model content
Only stressed loading is carried out to the stressed node of minority framework after mechanics simplifies to solve existing bogie frame strength test, fully cannot be subject to load-carrying at the same time by simulation frame, extruding, stretch, rock, load state under the force actions such as torsion and rolling, the analog result of test and actual conditions are caused to there is relatively large deviation, also there is certain error in the validity of acquired Mechanical Data, the true stressing conditions of framework can not be reacted comprehensively and bring the technical matters designing risk hidden danger, the utility model provides a kind of secondary load device of bogie frame strength test.
The technical scheme that the utility model technical solution problem is taked is as follows:
The secondary load device of bogie frame strength test comprises four vertical torsional loads loading seats, two vertical load loading seats, two groups of nut cushion blocks, transverse load charger, four brake loads load seats, two anti-snake-like swing load loading seats, two loadings of gear case load seat, two longitudinal loadings and lateral confinement loading beams, two motor load loadings seat, longitudinal restraint traction seat and two test drawing pull bar; Vertical torsional load loads seat and comprises vertical torsion seat upper head plate, vertical torsion seat bottom plate, bulb stationary magazine creel, ball-and-socket disk and four the first screw rods, the center, upper surface of described bulb stationary magazine creel is provided with the first bulb, its lower surface and vertical torsion seat bottom plate are connected, the lower surface of ball-and-socket disk is provided with the first ball-and-socket chamber, and ball-and-socket disk and bulb stationary magazine creel are slidably connected by the first bulb and forming first makes spherical pair by oneself jointly; Vertical torsion seat upper head plate and vertical torsion seat bottom plate are connected by four the first screw rods; Vertical load loads seat and comprises ball head connecting rod, vertical load ball and socket base, vertical load loading seat web joint and mandrel, and the lower end of ball head connecting rod is provided with the second bulb; The upper end of vertical load ball and socket base is provided with the second ball-and-socket chamber, and its lower end is provided with mandrel positioning chamber, and the second bulb of ball head connecting rod embeds in the second ball-and-socket chamber, common formation the second self-centering spherical pair both it; The lower end of vertical load ball and socket base and vertical load load seat web joint upper end and are connected, the round platform in mandrel stage casing is loaded seat web joint by vertical load and is limited in mandrel positioning chamber, the through hole that the hypomere of mandrel loads seat web joint center from vertical load stretches out, and forms a backstay; Each group nut cushion block includes two identical cushion blocks, and the center of its cushion block is provided with screw.
Described transverse load charger comprises horizontal loading beam, lifting cross beam, two suspension rods, four the second screw rods, transverse load load plate and two load backstops, and described lifting cross beam is positioned at the top of horizontal loading beam, parallel both it; The two ends of suspension rod are stud, can adjust its total length by rotating suspension rod; The two ends of a suspension rod are all rotationally connected with an end of lifting cross beam and horizontal loading beam respectively by an oscillating bearing, and another suspension rod is rotationally connected with another end of lifting cross beam and horizontal loading beam in the same way simultaneously; Transverse load load plate is fixed on the front end of horizontal loading beam by four the second screw rods, and the gap of described four the second screw rods forms the first rectangular frame; One that two described vertical loads load in seat is positioned at the first rectangular frame.
Described brake load loading seat comprises brake load and loads seat Connection Block, two brake loads loading seat clamping plate, brake loads loading seat first bearing pin and brake loads loading seat second bearing pins, and upper surface and two sides of described brake load loading Connection Block are provided with two screws respectively; The rear end that brake load loads seat clamping plate is provided with two screws, and its stage casing and front end are respectively equipped with the first pin-and-hole and the second pin-and-hole; The both sides that the rear end of two brake load loading seat clamping plate loads Connection Block respectively by bolt with brake load are connected, and the second pin-and-hole that the two ends that brake load loads seat second bearing pin load on seat clamping plate with two brake loads is respectively rotationally connected; Brake load loads the first pin-and-hole that seat first bearing pin loads on seat clamping plate by same mode and two brake loads and is rotationally connected.
Described anti-snake-like swing load loads seat and comprises anti-snake-like swing load loading end plate and convex shape locating piece, the both shoulders end face of convex shape locating piece is respectively equipped with a screw, anti-snake-like swing load loads end plate and is provided with four screws, and the bottom of described convex shape locating piece is fixed on the middle part that anti-snake-like swing load loads end plate.
Described gear case load loads seat and comprises gear case loading seat riser, gear case loading seat horizontal cross plate, the sidewall that described gear case loads seat riser is provided with four screws, the upper surface that gear case loads seat horizontal cross plate is provided with four screws, gear case loads seat riser and gear case and loads seat horizontal cross plate and be connected and form a right-angle triangle, and the hypotenuse direction of its right-angle triangle to be connected reinforcing by reinforcement.
Described longitudinal loading and lateral confinement loading beam comprise crossbeam, two simulation axle boxes, two rubber nodal points, longitudinal loadings load seat, vertical support backing plate and two lateral confinement and load seat; Simulation axle box front end is provided with axis hole, and rubber nodal point press-fits and is fixed in the axis hole of simulation axle box; Two equal horizontal positioned of simulation axle box are also fixed on the two ends of the same sidewall of crossbeam respectively, it is load by two pieces of longitudinal loadings the quadrangular structure that end plates and four the 3rd screw rods be connected and jointly formed that longitudinal loading loads seat, and the gap of its 3rd screw rod forms the second rectangular frame; Described second rectangular frame strides across the stage casing of crossbeam, is slidably connected both it.
Two lateral confinement load the two ends that seat is fixed on crossbeam respectively, and the vertical upper surface of support backing plate is connected with the lower surface in the stage casing of crossbeam, and it is inner that vertical support backing plate is positioned at the second rectangular frame.
Described motor load loads seat and comprises upper cover plate, vertically web joint, side cover plate, two oblique reinforcement clamping plate, lower cover and the 3rd rectangular frames, and the 3rd rectangular frame is the quadrangular structure being connected by four the 4th screw rods by oblique orientation load front end-plate and oblique orientation load load plate and jointly being formed; Described lower cover is rectangular slab, it has oblique rectangular indentation, and upper cover plate, vertical web joint, side cover plate and lower cover are connected each other and surround formation square box structure with lateral openings; Align in the placement parallel to each other of two oblique reinforcement clamping plate parallel with in rectangular indentation two long limits, the two ends of oblique reinforcement clamping plate are connected with upper cover plate and lower cover respectively; It is inner that oblique orientation load front end-plate is positioned at described square box structure, the minor face sidewall of its front end face and rectangular indentation is connected, its two left and right side end faces respectively in reinforcement clamping plate oblique with two and rectangular indentation the sidewall on two parallel long limits be connected, the upper surface of oblique orientation load front end-plate and the lower surface of upper cover plate are connected; The front end of upper cover plate leans out from the top of described square box structure and is eaves shapes, and its eaves shape structure lower surface is provided with locating slot, and locating slot is provided with two vertical positioning screw holes.
Described longitudinal restraint traction seat comprises hoistway, elevating lever and two pieces of drawing pull bar web joints, the hollow prism structure of hoistway and elevating lever to be all xsect be rectangle, its former and later two risers are equipped with strip hole vertically, the lower end of hoistway is provided with horizontal base, and left and right two risers of hoistway are all connected by reinforcement gusset and pedestal; Former and later two end faces of described elevating lever are vertically provided with multiple altitude location screw respectively; The left side of described drawing pull bar web joint is provided with drawing pull bar connecting shaft seat mounting groove, is provided with semicircular drawing pull bar through hole on the right side of it, above and below drawing pull bar connecting shaft seat mounting groove, be respectively equipped with drawing pull bar connecting shaft fixed orifice; Two pieces of described drawing pull bar web joints and the left and right end face of elevating lever upper end are connected respectively, two pieces of drawing pull bar web joints with the vertical axis of elevating lever for turning axle Rotational Symmetry each other; Elevating lever coordinates with hoistway and fixes its height be elevated by altitude location bolt.
Described test drawing pull bar comprises two drawing pull bar end seats, two drawing pull bar connecting shafts, pulling force sensor, two long spiro nails and two short screws, one end of drawing pull bar end seat is the female connecting rod of band, and its other end is provided with the drawing pull bar connecting shaft seat perpendicular to connecting rod radial direction; The two ends of drawing pull bar connecting shaft are respectively equipped with screw, and the stage casing of drawing pull bar connecting shaft and drawing pull bar connecting shaft seat axle connect; The screw rod at pulling force sensor two ends is with female connecting rod to be threaded respectively with on two drawing pull bar end seats; Described two long spiro nails are all threaded with the screw on a drawing pull bar connecting shaft respectively along same direction, and two short screws are all threaded with the screw on another drawing pull bar connecting shaft respectively along the direction identical with long spiro nail.
The screw rod vertical distance of described 3rd rectangular frame is greater than the height of the second rectangular frame, and motor load loads seat and strides across longitudinal loading and lateral confinement loading beam by its 3rd rectangular frame is oblique.
The beneficial effects of the utility model are: the secondary load device of this bogie frame strength test extends original arrangement space by multiple load load loading component with extending structure, framed intensity is made to test the number that need not simplify stressed load(ing) point, and each arrangement space exerted a force between driver part or load parts is sufficient, can not interfere and conflict each other, test findings more true and accurate during its simulation frame dynamic comprehensive load state.Multiple spherical pair structure with self-centering function can guarantee the applying direction Pass Test demand of required power, the advantages such as this device also has easy to operate in addition, with low cost.
Accompanying drawing explanation
Fig. 1 is the vertical view of bogies for railway vehicles framework;
Fig. 2 is the stereographic map after Fig. 1 overturns;
Fig. 3 is the schematic diagram of three kinds of Connection Blocks of existing force driving element;
Fig. 4 is the stereographic map of the secondary load device of the utility model bogie frame strength test;
Fig. 5 is that the blast assembling of Fig. 4 is shown;
Fig. 6 is the assembling schematic diagram that the vertical torsional load of the utility model loads seat;
Fig. 7 is the application schematic diagram that the utility model vertical load loads seat and nut cushion block;
Fig. 8 is the axial cut-open view that the utility model vertical load loads seat;
Fig. 9 is the stereographic map of the utility model transverse load charger;
Figure 10 is the application schematic diagram that the utility model vertical load loads seat and transverse load charger;
Figure 11 is the stereographic map that the utility model brake load loads seat;
Figure 12 is the stereographic map that the anti-snake-like swing load of the utility model loads seat;
Figure 13 is the application schematic diagram that the utility model brake load loads seat and anti-snake-like swing load loading seat;
Figure 14 is the blast assembling schematic diagram figure of the utility model longitudinal loading and lateral confinement loading beam;
Figure 15 is the application schematic diagram of the utility model longitudinal loading and lateral confinement loading beam;
Figure 16 is the blast assembling schematic diagram that the utility model motor load loads seat;
Figure 17 is the application schematic diagram that the utility model gear case load loads seat and motor load loading seat;
Figure 18 is the assembling application schematic diagram that the utility model gear case load loads seat, motor load loads seat and longitudinal loading and lateral confinement loading beam;
Figure 19 is the blast assembling schematic diagram of the utility model longitudinal restraint traction seat and test drawing pull bar;
Figure 20 is the stereographic map of the utility model test drawing pull bar;
Figure 21 is the application schematic diagram of the utility model longitudinal restraint traction seat and test drawing pull bar;
Figure 22 is the application schematic diagram of the secondary load device of the utility model bogie frame strength test.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
As shown in Fig. 4 to Fig. 5, the secondary load device of bogie frame strength test of the present utility model comprises four vertical torsional loads loading seats, 4, two vertical loads and loads seat 5, two groups of nut cushion blocks 6, transverse load charger 7, four brake loads loading seat 8, two anti-snake-like swing load loading seat 9, two gear case load loading seat 10, two longitudinal loadings and lateral confinement loading beam 11, two motor load loadings seat 12, longitudinal restraint traction seat 13 and two test drawing pull bar 14.
As shown in Figure 6, vertical torsional load loads seat 4 and comprises vertical torsion seat upper head plate 4-2, vertical torsion seat bottom plate 4-1, bulb stationary magazine creel 4-3, ball-and-socket disk 4-4 and four the first screw rod 4-5, the center, upper surface of described bulb stationary magazine creel 4-3 is provided with the first bulb 4-3-1, and its lower surface and vertical torsion seat bottom plate 4-1 are connected; The lower surface of ball-and-socket disk 4-4 is provided with the first ball-and-socket chamber, and ball-and-socket disk 4-4 and bulb stationary magazine creel 4-3 is slidably connected by the first bulb 4-3-1 and forming first makes spherical pair by oneself jointly; Vertical torsion seat upper head plate 4-2 and vertical torsion seat bottom plate 4-1 is connected by four the first screw rod 4-5.During embody rule, make first on each vertical torsional load loading seat 4 by oneself spherical pair to embed all from below in the cavity of primary spring seat 3-3, again vertical torsion seat upper head plate 4-2 and vertical torsion seat bottom plate 4-1 is connected by four the first screw rod 4-5, whole vertical torsional load loading seat 4 is enclosed within primary spring seat 3-3 and also supports from below.Respectively with four 250KN type actuator D by being fixed on the upper surface of each vertical torsion seat upper head plate 4-2 based on the face type Connection Block a-2 of joint ball head, and whole bogie frame is suspended on gantry frame, they apply asynchronous upper and lower to-and-fro movement load respectively to four primary spring seat 3-3 of bogie frame, with simulate train advance in motion of jolting and turn on one's side.In four described 250KN type actuator D at the most three all can replace with pneumatic counter-force bar F.
As shown in Figure 8, vertical load loads the lower end that seat 5 comprises ball head connecting rod 5-1, vertical load ball and socket base 5-2, vertical load loads seat web joint 5-3 and mandrel 5-4, ball head connecting rod 5-1 and is provided with the second bulb 5-1-1; Vertical load ball and socket base 5-2 is fastened by two Split type structures and forms, they are connected by bolt, the upper end of vertical load ball and socket base 5-2 inside is provided with the second ball-and-socket chamber 5-2-1, its lower end is provided with mandrel positioning chamber 5-2-2, the second bulb 5-1-1 of ball head connecting rod 5-1 embeds in the second ball-and-socket chamber 5-2-1, common formation the second self-centering spherical pair both it.The lower end of vertical load ball and socket base 5-2 and vertical load load seat web joint 5-3 upper end and are connected, the round platform in mandrel 5-4 stage casing is loaded seat web joint 5-3 by vertical load and is limited in mandrel positioning chamber 5-2-2, the through hole that the hypomere of mandrel 5-4 loads seat web joint 5-3 center from vertical load stretches out, and forms a backstay.As shown in Fig. 7 or Figure 10, during embody rule, two vertical load loading seats 5 connect type Connection Block b-1 respectively by the axle based on flange and coaxially connect with 500KN type actuator E, the lower end of each mandrel 5-4 is all inserted in the axis hole at a corresponding air spring seat 3-1 center, plays the radial constraint effect to 500KN type actuator E.Upper end and the gantry frame of 500KN type actuator E are connected, and it loads the upper surface applying pressure vertically of seat web joint 5-3 to air spring seat 3-1, to simulate the heavy burden load that train bogie framework bears by vertical load.
As shown in Fig. 5 or Fig. 7, each group nut cushion block 6 includes two identical cushion blocks, and the center of its cushion block is provided with screw.The lower end of each group nut cushion block 6 is all fixed on a corresponding anti-side rolling torsion rod seat 3-7, two 100KN type actuator B are connected respectively by the upper surface of horizontal connecting shaft type Connection Block a-1 and the group nut cushion block 6 based on joint ball head, during embody rule, the upper end of two 100KN type actuator B is connected with gantry frame respectively, it applies reciprocal thrust and drag load by anti-side rolling torsion rod seat 3-7 to the both sides of bogie frame, with simulate train advance in sidewinder swing.
As shown in Figure 9, described transverse load charger 7 comprises horizontal loading beam 7-1, lifting cross beam 7-2, two suspension rod 7-3, four the second screw rod 7-4, transverse load load plate 7-5 and two load backstop 7-6, described lifting cross beam 7-2 is positioned at the top of horizontal loading beam 7-1, parallel both it.The two ends of suspension rod 7-3 are stud, its total length can be adjusted by rotating suspension rod, the two ends of a suspension rod 7-3 are all rotationally connected with an end of lifting cross beam 7-2 and horizontal loading beam 7-1 respectively by an oscillating bearing 7-3-1, and another suspension rod 7-3 is rotationally connected with another end of lifting cross beam 7-2 and horizontal loading beam 7-1 in the same way simultaneously.Transverse load load plate 7-5 is fixed on the front end of horizontal loading beam 7-1 by four the second screw rod 7-4, and the gap of described four the second screw rod 7-4 forms the first rectangular frame 7-4-1; One that two described vertical loads load in seat 5 is positioned at the first rectangular frame 7-4-1.As shown in Figure 10, during embody rule, be fixed on gantry frame by lifting cross beam 7-2 level, horizontal loading beam 7-1 becomes overhung construction by two suspension rod 7-3.The front end of transverse load load plate 7-5 is connected by a face type Connection Block a-2 and 150KN type actuator C based on joint ball head, and two load backstop 7-6 below horizontal loading beam 7-1 are connected with the horizontal backstop 2-1 of two frameworks of longeron 2 upper end respectively.The horizontal reciprocating driving force of 150KN type actuator C is applied on two longerons 2 through the first rectangular frame 7-4-1, a horizontal loading beam 7-1 and two load backstop 7-6 in turn, and it simulates the pressure caused bogie frame when vacillating now to the left, now to the right in train traveling process and the damping pressure applied transverse damper seat 2-2 by vehicle-mounted transverse damper simultaneously.The vertical load that first rectangular frame 7-4-1 can avoid being positioned at its inside loads seat 5, the layout of connected 500KN type actuator E can not be interfered with 150KN type actuator C and conflict.
As shown in figure 11, described brake load loads seat 8 and comprises brake load loading seat Connection Block 8-1, two brake loads loading seat clamping plate 8-2 and brake load loading seat second bearing pin 8-3, and upper surface and two sides of described brake load loading Connection Block 8-1 are provided with two screws respectively; The rear end that brake load loads seat clamping plate 8-2 is provided with two screws, and its stage casing and front end are respectively equipped with the first pin-and-hole 8-2-1 and the second pin-and-hole 8-2-2.The both sides that the rear end of two brake load loading seat clamping plate 8-2 loads Connection Block 8-1 respectively by bolt with brake load are connected, and the second pin-and-hole 8-2-2 that the two ends that brake load loads seat second bearing pin 8-3 load on seat clamping plate 8-2 with two brake loads is respectively rotationally connected.As shown in figure 13, during embody rule, the lower surface of the upper surface and braking flap seat pedestal 3-4-2 that brake load are loaded Connection Block 8-1 with bolt is connected, by 50KN type actuator A by being connected in the first pin-and-hole 8-2-1 on two brake loads loading seat clamping plate 8-2 based on the horizontal connecting shaft type Connection Block a-1 axle of joint ball head, brake load is loaded seat second bearing pin 8-3 through the horizontal screw on braking flap seat cantilever 3-4-1 simultaneously, finally two brake loads loading seat clamping plate 8-2 are fixed on the both sides that brake load loads Connection Block 8-1 respectively.Four 50KN type actuator A are all connected with braking flap seat 3-4 by identical mode, the load applied to bogie frame by clamping device when they simulate train brake jointly.
As shown in figure 12, described anti-snake-like swing load loads seat 9 and comprises anti-snake-like swing load loading end plate 9-1 and convex shape locating piece 9-2, the both shoulders end face of convex shape locating piece 9-2 is respectively equipped with a screw, anti-snake-like swing load loads end plate 9-1 and is provided with four screws, and the bottom of described convex shape locating piece 9-2 is fixed on the middle part that anti-snake-like swing load loads end plate 9-1.As shown in figure 13, during embody rule, two 100KN type actuator B load end plate 9-1 respectively by the anti-snake-like swing load of the same correspondence of face type Connection Block a-2 based on joint ball head and are connected, the other end of actuator B is fixed on the column of gantry frame, its driving force for simulate that bogie frame in train traveling process bears, perpendicular to the snakelike swing load of hub plane.
As shown in figure 17, described gear case load loads seat 10 and comprises gear case loading seat riser 10-1, gear case loading seat horizontal cross plate 10-2, the sidewall that described gear case loads seat riser is provided with four screws, the upper surface that gear case loads seat horizontal cross plate is provided with four screws, gear case loads seat riser and gear case and loads seat horizontal cross plate and be connected and form a right-angle triangle, and the hypotenuse direction of its right-angle triangle to be connected reinforcing by reinforcement.During embody rule, two gear case load load seat 10 and are fixed on gear box bracket 1-2 side separately, bogie frame both sides respectively by gear case loading seat riser 10-1, one end of two 150KN type actuator C is connected with the upper surface that corresponding gear case loads seat horizontal cross plate 10-2 respectively by the face type Connection Block a-2 based on joint ball head, the other end of this actuator C is fixed on the crossbeam of gantry frame, its downward pressure applied to the crossbeam 1 on bogie frame for simulating gear block 1-2 along the downward pressure of vertical.
As shown in figure 14, described longitudinal loading and lateral confinement loading beam 11 comprise crossbeam 11-1, two simulation axle box 11-2, two rubber nodal point 11-3, longitudinal loadings load seat 11-4, vertical support backing plate 11-5 and two lateral confinement and load seat 11-6; Simulation axle box 11-2 front end is provided with axis hole, and rubber nodal point 11-3 press-fits and is fixed in the axis hole of simulation axle box 11-2.Two equal horizontal positioned of simulation axle box 11-2 are also fixed on the two ends of the same sidewall of crossbeam 11-1 respectively, it is the quadrangular structure being connected by two pieces of longitudinal loadings loadings end plate 11-4-1 and four the 3rd screw rod 11-4-2 and jointly being formed that longitudinal loading loads seat 11-4, and the gap of its 3rd screw rod 11-4-2 forms the second rectangular frame 11-4-3; Described second rectangular frame 11-4-3 strides across the stage casing of crossbeam 11-1, is slidably connected both it.Simulation axle box 11-2 is the Counterfeit Item of existing truck journal box, and the structure and material of the two is identical, and rubber nodal point 11-3 also adopts on bogie for being enclosed within the original rubber nodal point on wheel shaft.
Two lateral confinement load the two ends that seat 11-6 is fixed on crossbeam 11-1 respectively, and the upper surface of vertical support backing plate 11-5 is connected with the lower surface in the stage casing of crossbeam 11-1, and it is inner that vertical support backing plate 11-5 is positioned at the second rectangular frame 11-4-3.As shown in figure 15, during embody rule, by the latch segment identical with wheel shaft positioning seat 3-5 profile, reference column semi-circular for rubber nodal point 11-3 two ends is pressed into also axle and is connected in the semicircular cavities of wheel shaft positioning seat 3-5.Be connected by loading end plate 11-4-1 based on the face type Connection Block a-2 of joint ball head with the longitudinal loading be positioned at outside crossbeam 11-1 with a 250KN type actuator D, the top of support bar G is by being connected based on the face type Connection Block a-2 of joint ball head and the lower surface of vertical support backing plate 11-5, and it plays supporting function below the stage casing of crossbeam 11-1.Two pneumatic counter-force bar F are fixed on respectively by the face type Connection Block a-2 based on joint ball head the front end that lateral confinement loads seat 11-6, and described two pneumatic counter-force bar F are all arranged in the same side of the x-axis of bogie frame along y-axis.
Two 250KN type actuator D drive crossbeam 11-1 and simulation axle box 11-2 respectively by each self-corresponding second rectangular frame 11-4-3 in turn along horizontal x-axis direction, finally through rubber nodal point 11-3, movement load is added on four wheel shaft positioning seat 3-5, its longitudinal loading bogie frame both sides applied for simulating train wheel shaft.Meanwhile, two pneumatic counter-force bar F of the same side of the x-axis of bogie frame are respectively to the damping reacting force of each self-corresponding crossbeam 11-1 applying along y-axis.Load between seat 11-6 and pneumatic counter-force bar F can install pressure transducer additional in lateral confinement, for gathering when train rolls bogie frame to the axle pressure applied to wheel shaft by wheel shaft positioning seat 3-5.
As shown in figure 16, motor load loads seat 12 and comprises upper cover plate 12-1, vertically web joint 12-2, side cover plate 12-3, two oblique reinforcement clamping plate 12-5, lower cover 12-6 and the 3rd rectangular frame 12-4, and described 3rd rectangular frame 12-4 is the quadrangular structure being connected by four the 4th screw rod 12-4-3 by oblique orientation load front end-plate 12-4-1 and oblique orientation load load plate 12-4-2 and jointly being formed.
Described lower cover 12-6 is rectangular slab, it has oblique rectangular indentation 12-6-1, and upper cover plate 12-1, vertical web joint 12-2, side cover plate 12-3 and lower cover 12-6 are connected each other and surround formation square box structure with lateral openings; Align in two oblique reinforcement clamping plate 12-5 placement parallel to each other parallel with on rectangular indentation 12-6-1 two long limits, the two ends of oblique reinforcement clamping plate 12-5 are connected with upper cover plate 12-1 and lower cover 12-6 respectively.It is inner that described oblique orientation load front end-plate 12-4-1 is positioned at described square box structure, the minor face sidewall of its front end face and rectangular indentation 12-6-1 is connected, the sidewall on upper two parallel long limits of reinforcement clamping plate 12-5 and rectangular indentation 12-6-1 oblique with two respectively, its two left and right side end faces is connected, and the upper surface of oblique orientation load front end-plate 12-4-1 and the lower surface of upper cover plate 12-1 are connected.The front end of upper cover plate 12-1 leans out from the top of described square box structure and is eaves shapes, and its eaves shape structure lower surface is provided with locating slot 12-1-1, and locating slot is provided with two vertical positioning screw holes.
As shown in figure 17, during embody rule, locating slot 12-1-1 is connected by the upper surface of bolt and motor hanger 1-3, one end of two 100KN type actuator B is connected respectively by the upper surface of face type Connection Block a-2 and the corresponding upper cover plate 12-1 based on joint ball head, and its other end and gantry frame are connected.The front end face of vertical web joint 12-2 is connected by the vertical front end face of bolt and motor hanger 1-3.Two 50KN type actuator A are connected with corresponding oblique orientation load load plate 12-4-2 respectively by the face type Connection Block a-2 based on joint ball head, its other end and gantry frame column are connected, described 50KN type actuator A passes through the 3rd rectangular frame 12-4 by the load applying of making a concerted effort along xy in described square box structure, motor load loads seat 12 by the lateral pressure produced by 100KN type actuator B and aforementioned again being formed with joint efforts with joint efforts and being applied on motor hanger 1-3 by this combined load along xyz tri-axle along xy axle simultaneously, with simulated machine flap seat, the complexity that longeron 2 applies is made a concerted effort.
As shown in Figure 18 and Figure 22, screw rod vertical distance due to the 3rd rectangular frame 12-4 is greater than the height of the second rectangular frame 11-4-3, and motor load loads seat 12 and strides across longitudinal loading and lateral confinement loading beam 11 by its 3rd rectangular frame 12-4 is oblique, therefore produce the actuator B made a concerted effort along xy axle to clash with the actuator D be loaded on longitudinal loading and lateral confinement loading beam 11, pneumatic counter-force bar F, simultaneously there is layout and interfere in its 150KN type actuator C that also can not load on seat 10 with gear case load.
As shown in figure 19, described longitudinal restraint traction seat 13 comprises hoistway 13-1, elevating lever 13-2 and two piece of drawing pull bar web joint 13-3, the hollow prism structure of hoistway 13-1 and elevating lever 13-2 to be all xsect be rectangle, its former and later two risers are equipped with strip hole vertically, the lower end of hoistway 13-1 is provided with horizontal base, and left and right two risers of hoistway 13-1 are all connected by reinforcement gusset and pedestal.
Former and later two end faces of described elevating lever 13-2 are vertically provided with multiple altitude location screw respectively; The left side of described drawing pull bar web joint 13-3 is provided with drawing pull bar connecting shaft seat mounting groove 13-3-1, is provided with semicircular drawing pull bar through hole 13-3-2 on the right side of it, above and below drawing pull bar connecting shaft seat mounting groove 13-3-1, be respectively equipped with drawing pull bar connecting shaft fixed orifice 13-3-3.
Two pieces of described drawing pull bar web joint 13-3 and the left and right end face of elevating lever 13-2 upper end are connected respectively, two pieces of drawing pull bar web joint 13-3 with the vertical axis of elevating lever 13-2 for turning axle Rotational Symmetry each other; Elevating lever 13-2 coordinates with hoistway 13-1 and fixes its height be elevated by altitude location bolt.
As shown in figure 20, described test drawing pull bar 14 comprises two drawing pull bar end seat 14-1, two drawing pull bar connecting shaft 14-2, pulling force sensor 14-3, two long spiro nail 14-4 and two short screw 14-5, one end of drawing pull bar end seat 14-1 is the female connecting rod 14-1-1 of band, and its other end is provided with the drawing pull bar connecting shaft seat 14-1-2 perpendicular to connecting rod radial direction; The two ends of drawing pull bar connecting shaft 14-2 are respectively equipped with screw, and the stage casing of drawing pull bar connecting shaft 14-2 and drawing pull bar connecting shaft seat 14-1-2 axle connect; The screw rod at pulling force sensor 14-3 two ends is with female connecting rod 14-1-1 to be threaded respectively with on two drawing pull bar end seat 14-1; Described two long spiro nail 14-4 are all threaded with the screw on a drawing pull bar connecting shaft 14-2 respectively along same direction, and two short screw 14-5 are all threaded with the screw on another drawing pull bar connecting shaft 14-2 respectively along the direction identical with long spiro nail 14-4.
As shown in figure 21, during embody rule, the horizontal base of its lower end and level ground are connected below the bogie frame first longitudinal restraint traction seat 13 being pushed suspention, then the height of bogie is reduced, by the positioning height of adjustment elevating lever 13-2, two test drawing pull bar 14 and two groups of drawing pull bar seat 1-4 are all adjusted to same level height, finally, respectively one group of corresponding with on two crossbeams 1 for the end of two long spiro nail 14-4 and two short screw 14-5 drawing pull bar seat 1-4 is connected.Drawing pull bar seat 1-4 is in order to the tractive force of analogue framework to railway car.
As shown in Fig. 4 and Figure 22, the secondary load device of bogie frame strength test of the present utility model is had the load load loading components such as the rectangular frame extending screw rod extended original arrangement space by multiple, make framed intensity test the number that need not simplify stressed load(ing) point, and all can not interfere because of insufficient space and conflict between each force driver part or load parts.Framed intensity test uses this device can be subject to load-carrying, extruding at the same time, to stretch, to rock, to reverse and load state under the force action such as rolling, its test findings more true and accurate by more abundant simulation frame.Multiple have the applying direction Pass Test demand that self-centering function sphere auxiliary structure can guarantee required power, the advantages such as this device also has easy to operate in addition, with low cost.

Claims (10)

1. the secondary load device of bogie frame strength test, it is characterized in that, this device comprises four vertical torsional loads and loads seat (4), two vertical loads load seat (5), two groups of nut cushion blocks (6), transverse load charger (7), four brake loads load seat (8), two anti-snake-like swing load load seat (9), two gear case load load seat (10), two longitudinal loadings and lateral confinement loading beam (11), two motor load load seat (12), longitudinal restraint traction seat (13) and two test drawing pull bar (14),
Vertical torsional load loads seat (4) and comprises vertical torsion seat upper head plate (4-2), vertical torsion seat bottom plate (4-1), bulb stationary magazine creel (4-3), ball-and-socket disk (4-4) and four the first screw rods (4-5), the center, upper surface of described bulb stationary magazine creel (4-3) is provided with the first bulb (4-3-1), its lower surface and vertical torsion seat bottom plate (4-1) are connected, the lower surface of ball-and-socket disk (4-4) is provided with the first ball-and-socket chamber, ball-and-socket disk (4-4) and bulb stationary magazine creel (4-3) are slidably connected by the first bulb (4-3-1) and forming first makes spherical pair by oneself jointly, vertical torsion seat upper head plate (4-2) and vertical torsion seat bottom plate (4-1) are connected by four the first screw rods (4-5),
Vertical load loads seat (5) and comprises ball head connecting rod (5-1), vertical load ball and socket base (5-2), vertical load loading seat web joint (5-3) and mandrel (5-4), and the lower end of ball head connecting rod (5-1) is provided with the second bulb (5-1-1); The upper end of vertical load ball and socket base (5-2) is provided with the second ball-and-socket chamber (5-2-1), its lower end is provided with mandrel positioning chamber (5-2-2), second bulb (5-1-1) of ball head connecting rod (5-1) embeds in the second ball-and-socket chamber (5-2-1), common formation the second self-centering spherical pair both it; The lower end of vertical load ball and socket base (5-2) and vertical load load seat web joint (5-3) upper end and are connected, the round platform in mandrel (5-4) stage casing is loaded seat web joint (5-3) by vertical load and is limited in mandrel positioning chamber (5-2-2), the through hole that the hypomere of mandrel (5-4) loads seat web joint (5-3) center from vertical load stretches out, and forms a backstay;
Each group nut cushion block (6) includes two identical cushion blocks, and the center of its cushion block is provided with screw.
2. the secondary load device of bogie frame strength test as claimed in claim 1, it is characterized in that, described transverse load charger (7) comprises horizontal loading beam (7-1), lifting cross beam (7-2), two suspension rods (7-3), four the second screw rods (7-4), transverse load load plate (7-5) and two load backstops (7-6), described lifting cross beam (7-2) is positioned at the top of horizontal loading beam (7-1), parallel both it; The two ends of suspension rod (7-3) are stud, can adjust its total length by rotating suspension rod; The two ends of a suspension rod (7-3) are all rotationally connected with an end of lifting cross beam (7-2) and horizontal loading beam (7-1) respectively by an oscillating bearing (7-3-1), and another suspension rod (7-3) is rotationally connected with another end of lifting cross beam (7-2) and horizontal loading beam (7-1) in the same way simultaneously; Transverse load load plate (7-5) is fixed on the front end of horizontal loading beam (7-1) by four the second screw rods (7-4), and the gap of described four the second screw rods (7-4) forms the first rectangular frame (7-4-1); One that two described vertical loads load in seat (5) is positioned at the first rectangular frame (7-4-1).
3. the secondary load device of bogie frame strength test as claimed in claim 2, it is characterized in that, described brake load loading seat (8) comprises brake load and loads seat Connection Block (8-1), two brake loads loading seat clamping plate (8-2), brake loads loading seat first bearing pin (8-3) and brake loads loading seat second bearing pin (8-4), and upper surface and two sides of described brake load loading Connection Block (8-1) are provided with two screws respectively; The rear end that brake load loads seat clamping plate (8-2) is provided with two screws, and its stage casing and front end are respectively equipped with the first pin-and-hole and the second pin-and-hole; The both sides that the rear end of two brake loads loading seat clamping plate (8-2) loads Connection Block (8-1) respectively by bolt with brake load are connected, and the second pin-and-hole that the two ends that brake load loads seat second bearing pin (8-4) load on seat clamping plate (8-2) with two brake loads is respectively rotationally connected; Brake load loads the first pin-and-hole that seat first bearing pin (8-3) loads on seat clamping plate (8-2) by same mode and two brake loads and is rotationally connected.
4. the secondary load device of bogie frame strength test as claimed in claim 1, it is characterized in that, described anti-snake-like swing load loads seat (9) and comprises anti-snake-like swing load loading end plate (9-1) and convex shape locating piece (9-2), the both shoulders end face of convex shape locating piece (9-2) is respectively equipped with a screw, anti-snake-like swing load loads end plate (9-1) and is provided with four screws, and the bottom of described convex shape locating piece (9-2) is fixed on the middle part that anti-snake-like swing load loads end plate (9-1).
5. the secondary load device of bogie frame strength test as claimed in claim 1, it is characterized in that, described gear case load loads seat (10) and comprises gear case loading seat riser (10-1), gear case loading seat horizontal cross plate (10-2), the sidewall that described gear case loads seat riser is provided with four screws, the upper surface that gear case loads seat horizontal cross plate is provided with four screws, gear case loads seat riser and gear case and loads seat horizontal cross plate and be connected and form a right-angle triangle, and the hypotenuse direction of its right-angle triangle to be connected reinforcing by reinforcement.
6. the secondary load device of bogie frame strength test as claimed in claim 1, it is characterized in that, described longitudinal loading and lateral confinement loading beam (11) comprise crossbeam (11-1), two simulation axle boxes (11-2), two rubber nodal points (11-3), longitudinal loadings load seat (11-4), vertical support backing plate (11-5) and two lateral confinement and load seat (11-6); Simulation axle box (11-2) front end is provided with axis hole, and rubber nodal point (11-3) press-fits and is fixed in the axis hole of simulation axle box (11-2); Two equal horizontal positioned of simulation axle box (11-2) are also fixed on the two ends of crossbeam (11-1) same sidewall respectively, it is the quadrangular structure being connected with four the 3rd screw rods (11-4-2) by two pieces of longitudinal loadings loading end plate (11-4-1) and jointly being formed that longitudinal loading loads seat (11-4), and the gap of its 3rd screw rod (11-4-2) forms the second rectangular frame (11-4-3); Described second rectangular frame (11-4-3) strides across the stage casing of crossbeam (11-1), is slidably connected both it;
Two lateral confinement load the two ends that seat (11-6) is fixed on crossbeam (11-1) respectively, the upper surface of vertical support backing plate (11-5) is connected with the lower surface in the stage casing of crossbeam (11-1), and it is inner that vertical support backing plate (11-5) is positioned at the second rectangular frame (11-4-3).
7. the secondary load device of bogie frame strength test as claimed in claim 1, it is characterized in that, described motor load loads seat (12) and comprises upper cover plate (12-1), vertical web joint (12-2), side cover plate (12-3), two oblique reinforcement clamping plate (12-5), lower cover (12-6) and the 3rd rectangular frame (12-4), described 3rd rectangular frame (12-4) is the quadrangular structure being connected by four the 4th screw rods (12-4-3) by oblique orientation load front end-plate (12-4-1) and oblique orientation load load plate (12-4-2) and jointly being formed,
Lower cover (12-6) is rectangular slab, it has oblique rectangular indentation (12-6-1), upper cover plate (12-1), vertical web joint (12-2), side cover plate (12-3) and lower cover (12-6) are connected each other and surround formation square box structure with lateral openings; The placement parallel to each other of two oblique reinforcement clamping plate (12-5) is also alignd with upper two the parallel long limits of rectangular indentation (12-6-1), and the two ends of oblique reinforcement clamping plate (12-5) are connected with upper cover plate (12-1) and lower cover (12-6) respectively;
It is inner that oblique orientation load front end-plate (12-4-1) is positioned at described square box structure, the minor face sidewall of its front end face and rectangular indentation (12-6-1) is connected, the sidewall on its two left and right side end faces reinforcement clamping plate (12-5) oblique with two and upper two the parallel long limits of rectangular indentation (12-6-1) is respectively connected, and the upper surface of oblique orientation load front end-plate (12-4-1) and the lower surface of upper cover plate (12-1) are connected;
The front end of upper cover plate (12-1) leans out from the top of described square box structure and is eaves shapes, and its eaves shape structure lower surface is provided with locating slot (12-1-1), and locating slot is provided with two vertical positioning screw holes.
8. the secondary load device of bogie frame strength test as claimed in claim 1, it is characterized in that, described longitudinal restraint traction seat (13) comprises hoistway (13-1), elevating lever (13-2) and two pieces of drawing pull bar web joints (13-3), the hollow prism structure of hoistway (13-1) and elevating lever (13-2) to be all xsect be rectangle, before it, latter two riser is equipped with strip hole vertically, the lower end of hoistway (13-1) is provided with horizontal base, a left side for hoistway (13-1), right two risers are all connected by reinforcement gusset and pedestal,
Former and later two end faces of described elevating lever (13-2) are vertically provided with multiple altitude location screw respectively; The left side of described drawing pull bar web joint (13-3) is provided with drawing pull bar connecting shaft seat mounting groove (13-3-1), is provided with semicircular drawing pull bar through hole (13-3-2) on the right side of it, is respectively equipped with drawing pull bar connecting shaft fixed orifice (13-3-3) above and below drawing pull bar connecting shaft seat mounting groove (13-3-1);
Two pieces of described drawing pull bar web joints (13-3) are connected respectively with the left and right end face of elevating lever (13-2) upper end, and two pieces of drawing pull bar web joints (13-3) are turning axle Rotational Symmetry each other with the vertical axis of elevating lever (13-2); Elevating lever (13-2) coordinates with hoistway (13-1) and fixes its height be elevated by altitude location bolt.
9. the secondary load device of bogie frame strength test as claimed in claim 1, it is characterized in that, described test drawing pull bar (14) comprises two drawing pull bar end seats (14-1), two drawing pull bar connecting shafts (14-2), pulling force sensor (14-3), two long spiro nails (14-4) and two short screws (14-5), one end of drawing pull bar end seat (14-1) is the female connecting rod of band (14-1-1), and its other end is provided with the drawing pull bar connecting shaft seat (14-1-2) perpendicular to connecting rod radial direction; The two ends of drawing pull bar connecting shaft (14-2) are respectively equipped with screw, and the stage casing of drawing pull bar connecting shaft (14-2) and drawing pull bar connecting shaft seat (14-1-2) axle connect; The screw rod at pulling force sensor (14-3) two ends is upper with two drawing pull bar end seats (14-1) is respectively with female connecting rod (14-1-1) to be threaded; Described two long spiro nails (14-4) are all threaded with the screw on a drawing pull bar connecting shaft (14-2) respectively along same direction, and two short screws (14-5) are all threaded with the screw on another drawing pull bar connecting shaft (14-2) respectively along the direction identical with long spiro nail (14-4).
10. the secondary load device of bogie frame strength test as claimed in claim 1, it is characterized in that, the screw rod vertical distance of described 3rd rectangular frame (12-4) is greater than the height of the second rectangular frame (11-4-3), and motor load loads seat (12) and strides across longitudinal loading and lateral confinement loading beam (11) by its 3rd rectangular frame (12-4) is oblique.
CN201420706889.0U 2014-11-20 2014-11-20 The secondary load device of bogie frame strength test Withdrawn - After Issue CN204241242U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104406803B (en) * 2014-11-20 2017-01-11 长春轨道客车股份有限公司 Auxiliary loading device for bogie frame strength test
CN107202700A (en) * 2017-05-24 2017-09-26 东北大学 A kind of train frame fatigue test board
CN107651216A (en) * 2017-10-23 2018-02-02 重庆通用航空产业集团有限公司 Engine loading device and method applied to single-shot fixed wing aircraft slow test
CN107900932A (en) * 2017-11-10 2018-04-13 中车唐山机车车辆有限公司 A kind of fixing device for bogie frame fatigue test
CN112014095A (en) * 2020-09-11 2020-12-01 中车齐齐哈尔车辆有限公司 Loading device for fatigue test of side frame of bogie of railway wagon
CN114055391A (en) * 2021-11-23 2022-02-18 中车长春轨道客车股份有限公司 Auxiliary mounting device for elastic traction center assembly of bogie

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104406803B (en) * 2014-11-20 2017-01-11 长春轨道客车股份有限公司 Auxiliary loading device for bogie frame strength test
CN107202700A (en) * 2017-05-24 2017-09-26 东北大学 A kind of train frame fatigue test board
CN107202700B (en) * 2017-05-24 2019-01-29 东北大学 A kind of train frame fatigue test board
CN107651216A (en) * 2017-10-23 2018-02-02 重庆通用航空产业集团有限公司 Engine loading device and method applied to single-shot fixed wing aircraft slow test
CN107900932A (en) * 2017-11-10 2018-04-13 中车唐山机车车辆有限公司 A kind of fixing device for bogie frame fatigue test
CN107900932B (en) * 2017-11-10 2020-02-28 中车唐山机车车辆有限公司 Fixing device for fatigue test of bogie frame
CN112014095A (en) * 2020-09-11 2020-12-01 中车齐齐哈尔车辆有限公司 Loading device for fatigue test of side frame of bogie of railway wagon
CN114055391A (en) * 2021-11-23 2022-02-18 中车长春轨道客车股份有限公司 Auxiliary mounting device for elastic traction center assembly of bogie

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