CN201165233Y - Lorry bogie axle box shock-absorbing device, bogie and lorry thereof - Google Patents

Lorry bogie axle box shock-absorbing device, bogie and lorry thereof Download PDF

Info

Publication number
CN201165233Y
CN201165233Y CNU2007203115888U CN200720311588U CN201165233Y CN 201165233 Y CN201165233 Y CN 201165233Y CN U2007203115888 U CNU2007203115888 U CN U2007203115888U CN 200720311588 U CN200720311588 U CN 200720311588U CN 201165233 Y CN201165233 Y CN 201165233Y
Authority
CN
China
Prior art keywords
spring
axle box
straight
box
shock absorber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007203115888U
Other languages
Chinese (zh)
Inventor
邢书明
刘晓林
许善超
吕可维
杨爱国
刘振明
穆凤军
邵文东
于科华
李立东
徐世锋
周国东
袁忠南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qiqihar Railway Rolling Stock Co Ltd
Original Assignee
Qiqihar Railway Rolling Stock Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qiqihar Railway Rolling Stock Co Ltd filed Critical Qiqihar Railway Rolling Stock Co Ltd
Priority to CNU2007203115888U priority Critical patent/CN201165233Y/en
Application granted granted Critical
Publication of CN201165233Y publication Critical patent/CN201165233Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a railway freight car bogie axel box damping device which comprises two axel box springs respectively arranged on a left bearing platform and a right spring bearing platform; wherein, a wedge mechanism is mounted on one of the axel box springs; a direct-pushing damping device is mounted on the other axel box spring; the direct-pushing damper includes a direct-pushing damper guide frame arranged on the top part of the axel box spring and fixedly connected with the bogie frame; one side of the direct-pushing damper opposite to the axel box is provided with a direct-pushing spring which is telescopic horizontally; the direct-pushing damper guide frame and the axel box generate the mutual active force through the direct-pushing spring. Compared with the prior art, the railway freight car bogie axel box damping device provided by the utility model is provided with a direct-pushing spring in the horizontal direction to enable the axel box and the bogie frame to be interconnected through a spring which absorbs vibration so that the damping effect for the horizontal vibration is obtained.

Description

Railway goods train bogie axle box shock attenuation unit and bogie truck thereof, railway truck
Technical field
The utility model relates to a kind of bogie truck of railway truck, especially relates to a kind of truck journal box shock attenuation unit.The utility model provides bogie truck and the railway truck that uses this truck journal box shock attenuation unit simultaneously.
Background technology
The railway truck of the wheel track vehicle generally comprises car body, bogie truck, brake equipment, coupler and draft gear etc. and partly forms.Wherein, the effect of bogie truck is a supporting body, and guided vehicle is along rail running, and bears the various load from car body and circuit.Modal bogie truck is a two axle truck, also has multi axle truck such as three, four and five in addition.
With the three axle truck is example, generally by framework, foundation brake rigging, cartridge are formed, the three pairs of wheels are formed three wheels to and six axle boxes being separately positioned on lateral wheel form.
Please referring to Fig. 1, this figure is the structure diagram of a three axle truck.This three axle truck comprises that framework 1, foundation brake rigging 2, cartridge form 3, three wheels being made up of one group of left and right wheels are to 4 and six axle boxes 5.Described axle box 5 middle positions have a cavity, are called axle box cavity 51, and this axle box is placed on the outer sheathed bearing 6 of wheel hub by this axle box cavity.The two ends, the left and right sides of described axle box bottom have two spring cushion caps that stretch out, and are respectively left spring cushion cap 7 and right spring cushion cap 7 '; On each spring cushion cap, settle journal box spring 8, support described framework 1 by this journal box spring 8.By said structure, the bearing force of wheel is passed to framework 1, realize support to whole locomotive body.Axle box plays important effect in bearing body.In locomotive operation, described journal box spring 8 plays damping of vibrations, can keep the vehicle smooth running.
In the prior art, journal box spring 8 connects axle box 5 and framework 1 by Wedge mechanism, makes the onward impulse of wheel can pass to framework 1, makes whole locomotive body obtain enough promotions.Please referring to Fig. 2, this figure is the structure diagram of axle box and Wedge mechanism thereof under the prior art.
As shown in Figure 2, all place journal box spring 8 at left spring cushion cap 7 and right spring cushion cap 7 ' top, be provided with the groove and the location structure (figure is not detailed to be shown) of the spring that is installed specially on the described spring cushion cap, journal box spring 8 can be stablized be placed on this spring cushion cap.At the end face of journal box spring 8, be placed with wedge 12.This wedge 12 is the cylinder of right-angled triangle for the longitudinal cross-section, and its wedge inclined-plane 121 is upwards placed; The long right angle face 122 that length is long is the placed side that contacts with described journal box spring 8 end faces, and is provided with spring bearing 1221 in the middle part of it, and this spring bearing 1221 inserts in the hole of described journal box spring 8; The short short right angle face 123 of length is all placed towards the lateral surface of described axle box upper chamber.Described long right angle face 122 stretches out described short right angle face 123 1 segment distances towards described axle box upper chamber lateral surface, then vertically connects a wedge wearing plate 124 at its end, and wedge wearing plate 124 contacts with 52 of described axle box cavity lateral surface wearing plates.This wedge 12 relies on a wedge drawing strickle guide 11 location.Described wedge drawing strickle guide 11 is the part of complicated shape, and its cylinder is the cross section right-angled triangle similar to the cross section of wedge 12 on top, and it has an end face 111 that is welded on framework 1 lower surface, and this end face 111 is a square edge of square; Relative with this end face 111 have a wedge drawing strickle guide inclined-plane 112, and this wedge drawing strickle guide inclined-plane 112 contacts with described wedge inclined-plane 121 direct faces, and two faces all adopt wearing plate to make.The tip on this wedge drawing strickle guide inclined-plane 112 is towards described axle box 5, has the support 113 that vertically stretches out and have middle opening downwards at this tip, the long right angle face 122 of described wedge 12 stretches out its short right angle face 123 1 segment distances towards axle box cavity 51 lateral surfaces of described axle box 5, pass the middle opening of this support 113, top at this long right angle face 122, vertical this long right angle face 122 has wedge wearing plate 124, the position of this wedge wearing plate 124 is stuck between support 113 and the described axle box cavity lateral surface wearing plate 51 it, and certain upper and lower displacement can be arranged.On the left and right spring cushion cap of axle box 5, all has the above-mentioned Wedge mechanism that constitutes by wedge 12 and wedge drawing strickle guide 11.Above-mentioned Wedge mechanism is clamped axle box from front and back, makes in travelling the wheel thrust that produces of advancing be delivered to described framework 1, and promptly this Wedge mechanism provides the acting point of propelling thrust for car body advances.
Above-mentioned Wedge mechanism has certain damping of vibrations, its principle is, under steam, when wheel produces vibration, the axle box that is placed on the bearing of wheel hub can level, vertical shake, though described wedge 12 is subjected to the spacing of wedge drawing strickle guide 11, but still can have certain vertical, moving of level, longitudinal vibration for vertical direction, except journal box spring 8 can play the effectiveness in vibration suppression, the axle box cavity lateral surface wearing plate 52 of axle box 5 sides and the friction that described wedge wearing plate 124 produces vertical direction can consume this vibration of a part, produce effectiveness in vibration suppression.For the vibration of level, then the friction by wedge drawing strickle guide 11 and wedge 12 contacted inclined-planes consumes its energy, plays effectiveness in vibration suppression.
Though it is above-mentioned shock attenuation unit can reach certain effectiveness in vibration suppression, still not ideal enough.Because the main effect of Wedge mechanism provides acting point, its damping of vibrations is less important, and therefore, for the vibration of horizontal direction, said structure does not play excellent vibration damping effect.
The utility model content
At above-mentioned defective, the technical matters that the utility model solves is that a kind of railway goods train bogie axle box shock attenuation unit is provided, and this device can provide suitable damping force in the horizontal direction.The utility model provides a kind of bogie truck and railway truck that uses this shock attenuation unit simultaneously.
The railway goods train bogie axle box shock attenuation unit that the utility model provides comprises two journal box springs that are positioned over respectively on the left and right spring cushion cap of axle box, on one of them journal box spring Wedge mechanism is installed; Straight top shock absorber is installed on another journal box spring, described straight top shock absorber comprises the straight top shock absorber drawing strickle guide that is positioned over described journal box spring top and captives joint with truck frame, this straight top shock absorber drawing strickle guide is mounted with the flexible straight top spring of horizontal direction towards a side of described axle box, and described straight top shock absorber drawing strickle guide and described axle box produce interaction force by this straight top spring.
Preferably, described straight top spring is placed in described straight top shock absorber drawing strickle guide split shed in the spring groove of described axle box.
Preferably, also have a spring footstock, the vertical section of this spring footstock is the F type, and the cavity on its top just in time movably is placed in the described spring groove, with the common position that limits described straight top spring of described spring groove; The side plate of described axle box cavity is withstood at the back side of this spring footstock; The application force that described straight top shock absorber drawing strickle guide and described axle box produce by straight top spring each other, straight exactly top spring makes the spring footstock back side push the application force of described axle box cavity side plate.
Preferably, be provided with spring abutment behind the spring in the described spring groove, described straight top spring is positioned this back spring abutment towards an end of described straight top shock absorber drawing strickle guide.
Preferably, be provided with preceding spring abutment at the bottom of the chamber of described spring footstock upper cavity, described straight top spring is positioned this preceding spring abutment towards an end of described axle box.
Preferably, high-abrasive material is adopted at the back side that described spring footstock contacts with the side plate of described axle box cavity, and corresponding, described axle box cavity side plate also adopts high-abrasive material.
Preferably, the shock absorber drawing strickle guide lower plane that contacts with described journal box spring top in described straight top is provided with the spring bearing that inserts in the described spring eye.
The utility model provides a kind of railway goods train bogie simultaneously, and the axle box shock attenuation unit of above-mentioned explanation is installed on its axle box.
The utility model provides a kind of railway truck simultaneously, on the axle box of the bogie truck of this railway truck, is provided with the axle box shock attenuation unit of above-mentioned explanation.
Compared with prior art, the railway goods train bogie axle box shock attenuation unit that the utility model provides, be provided with straight top spring in the horizontal direction, make between axle box and the framework to interconnect by the spring that can absorb vibration in the horizontal direction, can obtain effectiveness in vibration suppression like this horizontal direction vibration.
In the preferred embodiment of the present utility model, adopt the spring footstock that the application force of straight top spring is applied on the side plate of axle box cavity, in addition, the wedge wearing plate of wedge structure contacts with the axle box cavity side plate of opposite side, like this, axle box all has friction face to be in contact with it on the two sides, can consume the vibration of its vertical direction, plays the effectiveness in vibration suppression of vertical vibration.And because the interaction force of straight top spring can control above-mentioned each face contact the time, friction force is bigger when so just making heavy duty, can effectively regulate the vibration damping demand.
In further preferred embodiment of the present utility model, select through reasonable parameter, in the time of can making underloading or heavy duty, the wedge drawing strickle guide vertical plane of Wedge mechanism does not contact with axle box cavity side plate, make straight top shock absorber drawing strickle guide vertical plane not with described spring footstock direct contact, like this, can guarantee to contact firmly between axle box and the framework, can guarantee effectiveness in vibration suppression.
Description of drawings
Fig. 1 is the structure diagram of three axle truck;
Fig. 2 is the structure diagram of axle box and Wedge mechanism thereof under the prior art;
Fig. 3 is the mechanical construction drawing of parts such as the wagon bogies axle box shock attenuation unit that provides of the utility model embodiment and connected axle box, framework;
Fig. 4 is the spring footstock of straight top shock absorber among the utility model embodiment and the structure diagram of straight top shock absorber drawing strickle guide mating part.
The specific embodiment
Please referring to Fig. 3, the mechanical construction drawing of parts such as railway goods train bogie axle box shock attenuation unit that this figure provides for the utility model embodiment and connected axle box, framework.Element same as the prior art among the figure adopts identical label.
As described in Figure 3, this railway goods train bogie top is framework 1, and this framework 1 is used to support whole compartment.It also shows axle box 5, the structure of this axle box 5 is explanation in the prior art, on its left spring cushion cap 7, the right spring cushion cap 7 ' journal box spring 8 is installed.
Be connected with framework by Wedge mechanism on the journal box spring 8 of described left spring cushion cap 7, this structure is illustrated in background technology, does not repeat them here.Different with background technology, what placed on the described journal box spring 8 ' that the spring cushion cap arranged is not Wedge mechanism, but custom-designed straight top shock absorber.
Please be simultaneously referring to Fig. 4, the cooperatively interact structure of part of this spring footstock 13 that illustrates described straight top shock absorber and straight top shock absorber drawing strickle guide 9.
Described straight top shock absorber comprises the straight top shock absorber drawing strickle guide 9 that is positioned over described journal box spring 8 ' top and captives joint with compartment framework 1.Particularly, the last plane of this straight top shock absorber drawing strickle guide 9 and the lower plane of described framework 1 are fitted, and with welding manner connection, certain, also do not get rid of and otherwise connect described straight top shock absorber drawing strickle guide 9 and compartment framework 1 between two planes.The lower plane of this straight top shock absorber drawing strickle guide 9 then is placed on described journal box spring 8 ' top, this lower plane is provided with the spring bearing 91 that inserts in the described journal box spring 8 ' hole, and this spring bearing 91 can contact by failure-free this straight top shock absorber drawing strickle guide 9 with described journal box spring 8 '.These shock absorber drawing strickle guide 9 middle parts, straight top can be provided with some cavitys.
This straight top shock absorber drawing strickle guide 9 has opening towards described axle box 5 grooves towards the side of described axle box 5, and this groove is called spring groove 92, and the bottom of this spring groove 92 is provided with spring abutment 93 behind the spring.Match with this spring groove 92, having a vertical section is the spring footstock 13 of F type, this spring footstock 13 is for being independent of the parts of described straight top shock absorber drawing strickle guide 9, the cavity 131 on its top just in time movably is placed in the described spring groove 92, like this, between described spring groove 92 and cavity 131, surround a sealing and transformable space jointly, ccontaining top always spring 14 in this space.Spring abutment 132 before being provided with at the bottom of the chamber of described cavity 131, this preceding spring abutment 132 is used to locate the end of described straight top spring 14 towards described axle box 5.The side plate of the axle box cavity 51 of described axle box 5 is withstood at the back side of described spring footstock 13.Like this, this spring footstock 13 is added on the plane of action of described axle box 5 for straight top spring 14 provides elastic force point of action and elastic force that will this straight top spring 14.This spring footstock 13 has increased the active area of the elastic force of straight top spring 14 to described axle box 5, can improve effectiveness in vibration suppression.High-abrasive material is adopted at the back side that above-mentioned spring footstock 13 contacts with the side plate of described axle box cavity 51, and corresponding, the side plate of described axle box cavity 51 also adopts high-abrasive material, and above-mentioned material helps the prolongation in its service life, and obtains the better damping effect.
Below introduce the vibration damping principle of work of the foregoing description.
In the vehicle operating process, produce impact vertical, horizontal direction between wheel and the guide rail, if these impacts act directly on the framework 1, then can make the railway truck high vibration.The purpose that above-mentioned shock absorber is set is to make the impulsive force between wheel, the guide rail to remake through the buffering of parts such as spring and uses on the framework 1, spring can absorb a large amount of impacts, the impact that level and smooth framework 1 is subjected to, vehicle can move under the pulsation-free state relatively.The key of effectiveness in vibration suppression is to make framework 1 and axle box 5 produce mutual action by the elastic force of spring each other, be actually and make framework 1 be in unsteady holding state, directly be installed in wheel on axle box 5 contact firmly, will be absorbed by spring from the traffic blows oscillating action in travelling like this, can not be directly delivered to described framework 1, vehicle is operated steadily.
In the foregoing description, described journal box spring supports the topmost vertical direction support of generation to the spring of framework 1, and the vertical impact power that framework 1 is obtained reduces.But the vibration that produces owing to reasons such as seismic inertiies on the horizontal direction in the vehicle operating is also very big, and this journal box spring 8 can't absorb the vibration of this direction substantially.Described wedge drawing strickle guide 11 and described framework 1 direct connection, it and the application force that the inclined-plane is converted into a railway truck weight part horizontal direction that contacts of described wedge 12, and be delivered to axle box 5 by described wedge wearing plate 124, this axle box 5 transmits this framework 1 with the ahead power of wheel by this wedge wearing plate 124, like this, framework 1 obtains the thrust of vehicle operating direction.Under the prior art, because Wedge mechanism is all adopted in the axle box both sides, the radical function of its realization is to transmit thrust, and effectiveness in vibration suppression is very little.In the present embodiment, right spring cushion cap 7 ' is gone up and is adopted straight top shock absorber, interaction force between axle box 5 and the framework 1 is also transmitted by straight top damper spring 7, the application force of the horizontal direction of the framework 1 that transmits by described wedge 12 on the left spring cushion cap 7, oppress described axle box 5, axle box 5 is delivered to the right side by horizontal displacement with this horizontal direction power, the elastic force that right spring cushion cap 7 ' is gone up the straight top spring 14 of straight top shock absorber produces supporting role power to axle box 5, this straight top spring 14 can absorb the vibration of horizontal direction, thereby obtains the effectiveness in vibration suppression of horizontal direction preferably.On the other hand, because the back side of the spring footstock 13 of the wedge wearing plate 124 of the wedge structure in the place ahead and the straight top shock absorber at rear and the contact surface that described axle box 5 all has vertical direction, and under the effect of described straight top spring 14, bigger contact force is all arranged between the above-mentioned contact surface, again because contact surface all adopts high-abrasive material to make, when this just makes axle box 5 vertical shakes, above-mentioned contact surface can absorb the vibration of vertical direction more fully, and further effectiveness in vibration suppression is played in the vibration of vertical direction.
In order to obtain best effectiveness in vibration suppression, should the choose reasonable wedge structure and the correlation parameter of straight top shock absorber, mainly comprise wedge and the gradient of wedge drawing strickle guide contact surface, the coefficient of stiffiness of described straight top spring and the parameters such as fore-and-aft distance between wedge drawing strickle guide and the straight top shock absorber drawing strickle guide in the described Wedge mechanism, when making complete vehicle curb condition, the described axle box cavity side plate wedge drawing strickle guide perpendicular that do not recline, during heavy duty, the unlikely spring footstock with straight top shock absorber of described axle box is pressed against on the shock absorber drawing strickle guide upright plane of straight top.Like this, just can guarantee no matter to be in which kind of loading condition, can both avoid axle box 5 to contact firmly, obtain reasonable effectiveness in vibration suppression with Wedge mechanism or straight top shock absorber.
The foregoing description only is one of most preferred embodiment of the present utility model, and in fact, basic thought of the present utility model is to carry out vibration damping for axle box is provided with horizontal spring, and those skilled in the art can produce other multiple technologies scheme in view of the above.For example, described spring footstock 13 is not set, pass spring 14 centers, straight top and obtain spacing axle on straight top shock absorber drawing strickle guide 9 but be provided with one, this another termination has the plane, and described axle box cavity side plate is withstood on this plane under the effect of described straight top spring 14.This structure can obtain effectiveness in vibration suppression equally.In a word, having the straight top spring 14 that can carry out vibration damping is core of the present utility model.
With the axle box shock attenuation unit that the utility model provides, be used for the railway goods train bogie of railroad vehicle, promptly obtain to have the railway goods train bogie of this axle box shock attenuation unit.
Above-mentioned railway goods train bogie is used for the compartment, promptly obtains to have the vehicle of above-mentioned axle box shock attenuation unit.
The characteristics of above-mentioned railway goods train bogie and railway truck are that all it has above-mentioned axle box shock attenuation unit, no longer specifies at this.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (9)

1, a kind of railway goods train bogie axle box shock attenuation unit comprises two journal box springs that are positioned over respectively on the left and right spring cushion cap of axle box, on one of them journal box spring Wedge mechanism is installed; It is characterized in that, straight top shock absorber is installed on another journal box spring, described straight top shock absorber comprises the straight top shock absorber drawing strickle guide that is positioned over described journal box spring top and captives joint with truck frame, this straight top shock absorber drawing strickle guide is mounted with the flexible straight top spring of horizontal direction towards a side of described axle box, and described straight top shock absorber drawing strickle guide and described axle box produce interaction force by this straight top spring.
2, railway goods train bogie axle box shock attenuation unit according to claim 1 is characterized in that, described straight top spring is placed in described straight top shock absorber drawing strickle guide split shed in the spring groove of described axle box.
3, railway goods train bogie axle box shock attenuation unit according to claim 2, it is characterized in that, also has a spring footstock, the vertical section of this spring footstock is the F type, the cavity on its top just in time movably is placed in the described spring groove, with the common position that limits described straight top spring of described spring groove; The side plate of described axle box cavity is withstood at the back side of this spring footstock; The application force that described straight top shock absorber drawing strickle guide and described axle box produce by straight top spring each other, straight exactly top spring makes the spring footstock back side push the application force of described axle box cavity side plate.
4, railway goods train bogie axle box shock attenuation unit according to claim 3 is characterized in that, is provided with spring abutment behind the spring in the described spring groove, and described straight top spring is positioned this back spring abutment towards an end of described straight top shock absorber drawing strickle guide.
5, railway goods train bogie axle box shock attenuation unit according to claim 4 is characterized in that, is provided with preceding spring abutment at the bottom of the chamber of described spring footstock upper cavity, and described straight top spring is positioned this preceding spring abutment towards an end of described axle box.
6, railway goods train bogie axle box shock attenuation unit according to claim 5 is characterized in that, high-abrasive material is adopted at the back side that described spring footstock contacts with the side plate of described axle box cavity, and corresponding, described axle box cavity side plate also adopts high-abrasive material.
7, railway goods train bogie axle box shock attenuation unit according to claim 5 is characterized in that, the lower plane that described straight top shock absorber drawing strickle guide contacts with described journal box spring top is provided with the spring bearing that inserts in the described spring eye.
8, a kind of railway goods train bogie is characterized in that, claim 1 is installed to each described axle box shock attenuation unit of claim 7 on its axle box.
9, a kind of railway truck is characterized in that, on the axle box of the bogie truck of this railway truck, is provided with claim 1 to each described axle box shock attenuation unit of claim 7.
CNU2007203115888U 2007-12-27 2007-12-27 Lorry bogie axle box shock-absorbing device, bogie and lorry thereof Expired - Fee Related CN201165233Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007203115888U CN201165233Y (en) 2007-12-27 2007-12-27 Lorry bogie axle box shock-absorbing device, bogie and lorry thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007203115888U CN201165233Y (en) 2007-12-27 2007-12-27 Lorry bogie axle box shock-absorbing device, bogie and lorry thereof

Publications (1)

Publication Number Publication Date
CN201165233Y true CN201165233Y (en) 2008-12-17

Family

ID=40190616

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007203115888U Expired - Fee Related CN201165233Y (en) 2007-12-27 2007-12-27 Lorry bogie axle box shock-absorbing device, bogie and lorry thereof

Country Status (1)

Country Link
CN (1) CN201165233Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103481901A (en) * 2013-09-29 2014-01-01 齐齐哈尔轨道交通装备有限责任公司 Steering frame
WO2021158135A1 (en) * 2020-02-07 2021-08-12 Wagony Swidnica Sp. Z.O.O. Friction damper, particularly in bogie suspension system
WO2021158134A1 (en) * 2020-02-07 2021-08-12 Wagony Świdnica Sp. Z.O.O. Friction damper, particularly in bogie suspension system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103481901A (en) * 2013-09-29 2014-01-01 齐齐哈尔轨道交通装备有限责任公司 Steering frame
WO2021158135A1 (en) * 2020-02-07 2021-08-12 Wagony Swidnica Sp. Z.O.O. Friction damper, particularly in bogie suspension system
WO2021158134A1 (en) * 2020-02-07 2021-08-12 Wagony Świdnica Sp. Z.O.O. Friction damper, particularly in bogie suspension system

Similar Documents

Publication Publication Date Title
CN102963382B (en) A kind of railway goods train bogie
CN202987174U (en) Railway freight car steering frame
CN103640587A (en) Co bogie for electric shunting locomotive
CN104228866A (en) Four-shaft locomotive bogie
CN102514584A (en) Bogie of narrow gauge railway vehicle
CN103010226A (en) Three-axle bogie and motor suspending device thereof
CN201165233Y (en) Lorry bogie axle box shock-absorbing device, bogie and lorry thereof
CN101844567B (en) Large-diamond resistant rigidity railway truck steering frame
CN111003009A (en) Bogie and straddle type monorail vehicle with same
CN109466580B (en) Self-deflection embedded bogie and rail car
CN101289089A (en) Rail vehicle anti-collision safety device
KR101364703B1 (en) Shock absorbing apparatus for guide wheel of light electric motor car
CN105128681A (en) High-speed pantograph head with two degrees of freedom
KR20200138373A (en) Shaft box suspension device and bogie vehicle equipped with the same
CN202378894U (en) Bogie for narrow-gauge railway vehicle
CN202879509U (en) Engine large natural bow radial bogie
JP2004009783A (en) Connecting type railcar
CN203543990U (en) Standard track gauge control type railway vehicle bogie
CN102717811A (en) Locomotive three-axle bogie with balancing beams
CN203005422U (en) Three-shaft bogie and motor suspension device thereof
CN101397017A (en) Combination type slant wedge
CN102381372A (en) Bidirectional vibration absorption type rear suspension device of driving cab of automobile
CN203601286U (en) Co bogie used for electric switch engine
CN205130954U (en) High -speed pantograph bow of two degrees of freedom
CN202294852U (en) Secondary buffer device of car coupler

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081217

Termination date: 20161227

CF01 Termination of patent right due to non-payment of annual fee