Variable-track-pitch wheel set testing device and method
阅读说明:本技术 变轨距轮对试验装置及试验方法 (Variable-track-pitch wheel set testing device and method ) 是由 冯中立 王晓宁 胡晏晨 孙道永 闫婷婷 于 2019-10-28 设计创作,主要内容包括:本发明涉及轨道车辆变轨距技术领域,公开了一种变轨距轮对试验装置及试验方法,包括:支撑结构,分别设置在变轨距轮对的轴向两侧并用于支撑变轨距轮对中的轴箱体;驱动机构,分别设置在所述变轨距轮对的轴向两侧;传动机构,设置在相应侧的所述支撑结构上并与相应侧的所述驱动机构相连接;以及解锁机构,设置在所述传动机构上,通过所述驱动机构驱动所述传动机构朝轴箱体的方向进行运动,以带动所述解锁机构随之进行同步运动并将外露在所述轴箱体外部的锁紧销顶回至所述轴箱体内。该变轨距轮对试验装置具有能够实现变轨距轮对在单体状态下的变轨试验,验证变轨距轮对是否能够正常进行车轮的锁紧及解锁的优点。(The invention relates to the technical field of rail vehicle variable track pitch, and discloses a variable track pitch wheel set testing device and a testing method, wherein the device comprises the following steps: the supporting structures are respectively arranged on the two axial sides of the track-variable wheel pair and used for supporting the axle box body in the track-variable wheel pair; the driving mechanisms are respectively arranged at two axial sides of the track-variable wheel pair; the transmission mechanism is arranged on the supporting structure on the corresponding side and is connected with the driving mechanism on the corresponding side; and the unlocking mechanism is arranged on the transmission mechanism and drives the transmission mechanism to move towards the direction of the shaft box body through the driving mechanism so as to drive the unlocking mechanism to synchronously move along with the transmission mechanism and jack the locking pin exposed outside the shaft box body back into the shaft box body. The variable-gauge wheel set testing device has the advantages that the variable-gauge wheel set can realize the variable-gauge test in a single state, and whether the variable-gauge wheel set can normally lock and unlock the wheel is verified.)
1. The utility model provides a become gauge wheel pair test device which characterized in that includes:
the supporting structures are respectively arranged on the two axial sides of the track-variable wheel pair and used for supporting the axle box body in the track-variable wheel pair;
the driving mechanisms are respectively arranged at two axial sides of the track-variable wheel pair;
the transmission mechanism is arranged on the supporting structure on the corresponding side and is connected with the driving mechanism on the corresponding side; and
the unlocking mechanism is arranged on the transmission mechanism and drives the transmission mechanism to move towards the direction of the shaft box body through the driving mechanism so as to drive the unlocking mechanism to synchronously move and jack the locking pin exposed outside the shaft box body back into the shaft box body.
2. The variable-gauge wheel set testing device according to claim 1, further comprising a horizontal bearing plate disposed in the support structure on the corresponding side, wherein the transmission mechanism is disposed on the horizontal bearing plate.
3. The testing device for the track-variable wheel pair according to claim 2, wherein the transmission mechanism comprises a worm and a worm wheel matched with the worm, the worm and the worm wheel are arranged on the horizontal bearing plate on the corresponding side, the axis of the worm wheel is arranged vertically, and the worm is connected with the driving mechanism.
4. The testing device for the track-variable wheel set according to claim 3, wherein the transmission mechanism further comprises a lead screw, the lead screw penetrates through the worm wheel, a thread matched with the thread on the lead screw is axially formed on the inner wall surface of the worm wheel, and the upper end of the lead screw is a free end.
5. The testing device for the track-variable wheel pair according to claim 4, wherein the unlocking mechanism comprises a mounting plate arranged on the upper end surface of the screw rod and an unlocking pin arranged on the mounting plate, wherein the unlocking pin and the locking pin are arranged opposite to each other in a vertical direction and can be pushed into the axle box body.
6. The testing device for the track-variable wheel pair according to claim 5, wherein the supporting structure comprises a supporting frame and a bearing platform arranged on the upper end face of the supporting frame, and a through hole for the unlocking pin to pass through is formed on the bearing platform.
7. The testing device for the track-variable wheel set according to claim 6, wherein a horizontal mounting seat for fixing the supporting frame is arranged at the bottom of the supporting frame.
8. The testing device for the track-variable wheel set according to claim 3, wherein the driving mechanism comprises a rotating hand wheel, and the rotating hand wheel is connected with the worm; or
The driving mechanism comprises a driving motor, and an output shaft of the driving motor is coaxially connected with the worm.
9. The track-variable wheel pair testing device as claimed in claim 8, wherein the rotating handwheel comprises an annular body and a supporting rod embedded in the annular body and connected with the inner side of the annular body, and the supporting rod is vertically connected with the worm.
10. A test method for a track-variable wheel set is characterized by comprising the following steps:
respectively hoisting the axle box bodies at two ends of the track-variable wheel pair to the supporting structures at the corresponding sides, and enabling the locking pins extending out of the lower parts of the axle box bodies to penetrate through holes in the bearing tables of the supporting structures;
the wheels of the track-variable wheel pair are respectively positioned at the inner sides of the supporting structures at the corresponding sides, and axles outside the wheels extend into the axle box body, so that the wheels are in a suspended state;
the driving mechanism moves towards the direction of the shaft box body to drive the unlocking mechanism to synchronously move along with the driving mechanism and push the locking pin exposed outside the shaft box body back into the shaft box body;
and respectively applying mutually close or far thrust to the wheels on the two sides so as to change the track gauge of the wheels on the two sides within a preset distance range.
Technical Field
The invention relates to the technical field of rail vehicle variable track pitches, in particular to a variable track pitch wheel pair testing device and a variable track pitch wheel pair testing method.
Background
The transnational passenger and cargo transportation is rapidly increased in recent years, but the rail gauges of railways of different countries cause serious obstacles to transnational railway transportation. In order to solve the problem that different track gauges of railways of various countries obstruct transnational railway transportation, a track gauge-variable wheel set is proposed, namely, when a train runs to a railway of other countries, the track gauge of the railway of other countries is adapted by changing the distance between wheels on the wheel set.
In order to ensure that the track-changing wheelset can realize the transformation of the inboard distance of the wheel between 1435 mm, 1520 mm or 1676 mm so as to verify the reliability of the track-changing distance, a track-changing wheelset testing device needs to be designed to complete the track-changing test of the track-changing wheelset.
Disclosure of Invention
Technical problem to be solved
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a variable-track-distance wheel set testing device which has the advantages that the variable-track-distance test of a variable-track-distance wheel set in a single state can be realized, and whether the locking and unlocking of wheels can be normally carried out by verifying the variable-track-distance wheel set assembly can be verified.
The invention further provides a test method of the track-variable wheel set.
(II) technical scheme
In order to solve the above technical problem, according to a first aspect of the present invention, there is provided a track-variable wheelset testing apparatus, including: the supporting structures are respectively arranged on the two axial sides of the track-variable wheel pair and used for supporting the axle box body in the track-variable wheel pair; the driving mechanisms are respectively arranged at two axial sides of the track-variable wheel pair; the transmission mechanism is arranged on the supporting structure on the corresponding side and is connected with the driving mechanism on the corresponding side; and the unlocking mechanism is arranged on the transmission mechanism and drives the transmission mechanism to move towards the direction of the shaft box body through the driving mechanism so as to drive the unlocking mechanism to synchronously move along with the transmission mechanism and jack the locking pin exposed outside the shaft box body back into the shaft box body.
The track gauge-variable wheel pair testing device further comprises a horizontal bearing plate arranged in the supporting structure on the corresponding side, and the transmission mechanism is arranged on the horizontal bearing plate.
The transmission mechanism comprises a worm arranged on the horizontal bearing plate on the corresponding side and a worm wheel matched with the worm, wherein the axis of the worm wheel is vertically arranged, and the worm is connected with the driving mechanism.
The transmission mechanism further comprises a lead screw, the lead screw penetrates through the worm wheel, threads matched with the threads on the lead screw are axially formed on the inner wall surface of the worm wheel, and the upper end of the lead screw is a free end.
The unlocking mechanism comprises a mounting plate arranged on the upper end face of the screw rod and an unlocking pin arranged on the mounting plate, wherein the unlocking pin and the locking pin are arranged oppositely up and down and can jack the locking pin into the shaft box body.
The support structure comprises a support frame and a bearing platform arranged on the upper end face of the support frame, and a through hole for the unlocking pin to pass through is formed in the bearing platform.
And a horizontal mounting seat for fixing the supporting frame is arranged at the bottom of the supporting frame.
The driving mechanism comprises a rotating hand wheel, and the rotating hand wheel is connected with the worm; or the driving mechanism comprises a driving motor, and an output shaft of the driving motor is coaxially connected with the worm.
The rotating hand wheel comprises an annular body and a supporting rod which is embedded in the annular body and connected with the inner side of the annular body, and the supporting rod is vertically connected with the worm.
According to the second aspect of the present invention, there is also provided a track-variable wheel set testing method, including: respectively hoisting the axle box bodies at two ends of the track-variable wheel pair to the supporting structures at the corresponding sides, and enabling the locking pins extending out of the lower parts of the axle box bodies to penetrate through holes in the bearing tables of the supporting structures; the wheels of the track-variable wheel pair are respectively positioned at the inner sides of the supporting structures at the corresponding sides, and axles outside the wheels extend into the axle box body, so that the wheels are in a suspended state; the driving mechanism moves towards the direction of the shaft box body to drive the unlocking mechanism to synchronously move along with the driving mechanism and push the locking pin exposed outside the shaft box body back into the shaft box body; and respectively applying mutually close or far thrust to the wheels on the two sides so as to change the track gauge of the wheels on the two sides within a preset distance range.
(III) advantageous effects
Compared with the prior art, the track-distance-variable wheel set testing device provided by the invention has the following advantages:
the supporting structures are respectively arranged on the left side and the right side of the track-variable wheel pair to respectively support the axle box bodies on the corresponding sides of the track-variable wheel pair, so that the wheels in the track-variable wheel pair can be in a suspended state. The transmission mechanism is driven by the driving mechanism to move towards the axle box body, so that the unlocking mechanism is driven to synchronously move and jack the locking pin exposed outside the axle box body back into the axle box body, when the locking pin is jacked back to the inside of the axle box body, the lug on the locking pin is separated from the groove on the boss of the outer sleeve, the wheels are unlocked, the wheels on two sides of the axle are pushed by the track-changing wheel pair to be close to each other or away from each other, the wheel distance between the wheels on two sides can be adjusted, and the purpose of changing the track distance is achieved. On the contrary, after the transmission mechanism drives the unlocking mechanism to move towards the opposite direction, the unlocking mechanism can be gradually separated from the locking pin, at the moment, the locking pin can extend out of the axle box body again under the action of spring force, and the lug on the locking pin is matched with the groove on the boss of the outer sleeve, so that the wheel is locked. It can be seen that the variable-gauge wheel set testing device is simple in operation and can realize the variable-gauge wheel set in the single-body state for the variable-gauge wheel set, so that whether the variable-gauge wheel set can normally lock and unlock wheels can be accurately verified, and after the single-body variable-gauge wheel set is qualified in function verification, the bogie is assembled, so that the follow-up whole vehicle can normally complete the rail change through the ground rail changing facility.
Drawings
Fig. 1 is a schematic overall structure diagram of a variable-gauge wheel set testing device according to an embodiment of the invention;
FIG. 2 is a schematic side view of a testing device for a track-variable wheel set according to an embodiment of the present invention;
FIG. 3 is a schematic axial side structure diagram of a testing device for a track-variable wheel set according to an embodiment of the invention;
FIG. 4 is a schematic view of the connection structure of the worm wheel, the worm and the lead screw in FIG. 1;
FIG. 5 is a schematic view of the entire structure of the carrier stage of FIG. 1;
fig. 6 is a schematic flow chart illustrating steps of a track-variable wheel set testing method according to an embodiment of the present invention.
In the figure, 1: a support structure; 11: a horizontal bearing plate; 12: a support frame; 13: a bearing table; 131: a through hole; 14: a horizontal mounting base; 200: a track-pitch-variable wheel pair; 201: a shaft box body; 202: a locking pin; 203: a wheel; 2: a drive mechanism; 21: rotating a hand wheel; 211: an annular body; 212: a support bar; 3: a transmission mechanism; 31: a worm; 32: a worm gear; 33: a lead screw; 4: an unlocking mechanism; 41: mounting a plate; 42: and releasing the lock pin.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 5, the testing device for the track-variable wheel set is schematically shown to comprise a supporting
In the embodiment of the present application, the
The
The transmission 3 is arranged on the respective side of the
The
As shown in fig. 1 to 3, in a preferred embodiment of the present application, the testing apparatus for track-variable wheel pairs further includes a
It should be noted that the
As shown in fig. 1 to 4, in a preferred embodiment of the present application, the transmission mechanism 3 includes a
The
In another preferred embodiment of the present application, as shown in fig. 4, the transmission mechanism 3 further includes a
The term "up-and-down movement" means that the
As shown in fig. 3, in a preferred embodiment of the present application, the unlocking
An unlocking pin 42 is formed on the upper end surface of the mounting plate 41, the unlocking pin 42 and the mounting plate 41 are welded into a whole, preferably, the unlocking pin 42 and the mounting plate 41 are arranged vertically, in addition, because the unlocking pin 42 and the locking pin 202 are arranged up and down oppositely, the unlocking pin 42 arranged on the mounting plate 41 gradually approaches the locking pin 202 as the screw 33 gradually moves towards the direction close to the shaft box 201 on the corresponding side, so that the mounting plate 41 can be driven to synchronously move, meanwhile, as the mounting plate 41 gradually moves towards the direction close to the shaft box 201, the unlocking pin 42 arranged on the mounting plate 41 gradually approaches the locking pin 202, as the screw 33 continuously drives the mounting plate 41 to move upwards (limited by the angle shown in fig. 1), the upper end surface of the unlocking pin 42 is contacted with the lower end surface of the locking pin 202, at this time, the screw 33 continuously rotates, and the mounting plate 41 continues to move upwards, the unlocking pin 42 applies upward pressing force to the locking pin 202 until the unlocking pin 42 pushes the locking pin 202 into the shaft box 201, the screw 33 stops moving, the transmission mechanism 3 stops moving, and at the moment, the lug on the locking pin 202 is separated from the groove on the boss of the outer sleeve, so that the unlocking of the wheel 203 is realized.
The cross sectional area of the unlocking
In one embodiment, the mounting
In a preferred embodiment, the
It is understood that, in order to ensure that the
In a preferred embodiment of the present application, as shown in fig. 3, a horizontal mounting 14 for fixing the
In one embodiment of the present application, the supporting
Preferably, the horizontal mounting
As shown in fig. 1 to 3, in a preferred embodiment of the present application, the
In a preferred embodiment of the present application, the
In a preferred embodiment of the present application, the rotating
As shown in fig. 6, according to a second aspect of the present invention, there is also provided a track-variable wheel set testing method, including:
step S1, respectively hoisting the
Step S2, the
Step S3, the transmission mechanism 3 is driven to move toward the
In step S4, thrust forces that approach or separate from each other are respectively applied to the
It should be noted that the preset distance range means that the distance range inside the wheel is 1435 mm to 1676 mm. Preferably, the inboard distance of the wheel may be 1435 millimeters, 1520 millimeters, or 1676 millimeters.
In summary, the supporting
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
- 上一篇:一种医用注射器针头装配设备
- 下一篇:一种机电测试装置