CN111175060B - Rolling vibration test bed for railway vehicle - Google Patents
Rolling vibration test bed for railway vehicle Download PDFInfo
- Publication number
- CN111175060B CN111175060B CN202010017817.5A CN202010017817A CN111175060B CN 111175060 B CN111175060 B CN 111175060B CN 202010017817 A CN202010017817 A CN 202010017817A CN 111175060 B CN111175060 B CN 111175060B
- Authority
- CN
- China
- Prior art keywords
- roller
- walking
- base
- stabilizing
- differential
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
Abstract
The invention discloses a rolling vibration test bed for a railway vehicle, which comprises a plurality of groups of first roller carriers and second roller carriers which are arranged in a one-to-one correspondence mode, wherein each first roller carrier is provided with a first walking roller, each second roller carrier comprises a second walking roller matched with the first walking roller, two sides of each of the plurality of adjacent second roller carriers are respectively provided with a guide roller and a stabilizing roller, and each second roller carrier also comprises a replacing walking roller for replacing the second walking rollers. When the second roller carrier is provided with a second walking roller, a double track is simulated by combining the first walking roller arranged on the first roller carrier; when the second roller carrier is provided with the replacement walking rollers, the guide rollers and the stabilizing rollers arranged on two sides of the second roller carrier are combined to simulate a single track. The rolling vibration test bed for the rail vehicle is suitable for simulating two types of rails, a test bed specially applied to a straddle type monorail vehicle does not need to be additionally arranged independently, and the rolling vibration test bed is good in adaptability.
Description
Technical Field
The invention relates to the technical field of rail vehicle test equipment, in particular to a rail vehicle rolling vibration test bed.
Background
The rolling vibration test is mainly used for detecting the whole vehicle dynamic performance of the rail vehicle and is a necessary step before the rail vehicle is put into use formally, so that the research and development of a reliable rolling vibration test bed are particularly necessary.
However, the existing rolling vibration test bed for the railway vehicle is mainly applied to the traditional double-track vehicle, and for a novel straddle type monorail vehicle, a universal rolling vibration test bed for detecting the novel monorail vehicle is not available. In view of the fact that the number of routes suitable for operating the straddle-type monorail vehicle is small, the straddle-type monorail vehicle cannot be widely applied, the cost for building the rolling vibration test bed specially for the straddle-type monorail vehicle is extremely high, and the application frequency is far lower than that of a traditional double-track vehicle.
Therefore, how to design a rolling vibration test bed for a railway vehicle, which is low in cost and good in universality, is a technical problem to be solved by the technology in the field.
Disclosure of Invention
In view of the above, the present invention provides a rolling vibration test bed for a railway vehicle, wherein when a second walking roller is connected to a walking driving member, a first walking roller is matched with a second walking roller to simulate a double track; when the replacement walking roller is connected with the walking driving piece, the guide rollers and the stabilizing rollers are arranged on two sides of the second roller frame, so that the simulation of a single track is realized; the method is suitable for simulating two kinds of tracks and has good adaptability.
The specific scheme is as follows:
the invention provides a rolling vibration test bed for a railway vehicle, which comprises:
the first roller carrier and the second roller carrier that a plurality of groups one-to-one set up, first roller carrier has first walking gyro wheel, and the second roller carrier includes and matches with first walking gyro wheel in order to simulate the orbital second walking gyro wheel of double track, and guide roller and stabilizer roll are all installed to the both sides of the adjacent second roller carrier of a plurality of, and the second roller carrier is still including being used for replacing second walking gyro wheel with the cooperation guide roller and stabilizer roll simulation monorail's replacement walking gyro wheel.
Optionally, the rolling device further comprises a plurality of first roller bases and a plurality of second roller bases in one-to-one correspondence with the first roller bases, each first roller base is arranged at the bottom of each group of first roller frames in one-to-one correspondence and used for supporting the corresponding first roller frame to relatively slide along the length direction of the track, and each second roller base is arranged at the bottom of each group of second roller frames in one-to-one correspondence and used for supporting the corresponding second roller frame to relatively slide along the length direction of the track so as to be matched with the corresponding first roller base to realize the adjustment of the axle distance.
Optionally, the method further includes:
the first distance adjusting slide way and the first distance adjusting chute are arranged between the first roller base and the first roller frame, are matched with each other and are used for guiding the first roller frame to slide along the length direction of the track;
and the second distance adjusting slide way and the second distance adjusting slide groove are arranged between the second roller base and the second roller frame, are matched with each other and are used for guiding the second roller frame to slide along the length direction of the rail vehicle.
Optionally, the bogie comprises a plurality of bogie bases, and each bogie base is arranged at the bottom of one group of corresponding first roller base and second roller base and is used for supporting the bottom of the corresponding first roller base and second roller base to relatively slide along the width direction of the track so as to adjust the track gauge.
Optionally, the method further includes:
locate between bogie base and the first gyro wheel base and between bogie base and the second gyro wheel base, mutually support and be used for guiding first gyro wheel base and second gyro wheel base respectively along orbital width direction for the gliding gauge adjustment slide and the gauge adjustment spout of bogie base.
Optionally, the bogie further comprises a tiltable base which is arranged at the bottom of the bogie base and is used for driving one side of all the bogie bases to lift relative to the other side along the height direction of the track so as to enable all the bogie bases to tilt.
Optionally, the method further includes:
a support base;
a tilt drive provided between the first side of the support base and the first side of the tiltable base for driving the first side of the tiltable base to ascend and descend in a height direction of the rails with respect to the first side of the support base to tilt the tiltable base with respect to the support base;
and a rotary support disposed between the second side of the support base and the second side of the tiltable base for supporting the second side of the tiltable base for rotation relative to the second side of the support base. Optionally, the method further includes:
the distance adjusting slide way and the distance adjusting slide way are arranged between the bogie base and the tiltable base, are matched with each other and are used for guiding the bogie base to slide along the length direction of the railway vehicle.
Optionally, the guide roller comprises a left guide roller and a right guide roller which are arranged oppositely, the stabilizing roller comprises a left stabilizing roller and a right stabilizing roller which are arranged oppositely, a left guide differential and a right guide differential which are used for adapting to the rotating speeds of the left guide roller and the right guide roller are respectively and correspondingly arranged, a left stabilizing roller and a right stabilizing roller are respectively and correspondingly provided with a left stabilizing differential and a right stabilizing differential which are used for adapting to the rotating speeds of the left guide roller and the right guide roller, and the first walking roller is provided with a walking differential which is adapted to the rotating speed of the second walking roller.
Optionally, the method further includes:
a travel drive member connected to the second travel roller or the replacement travel roller;
the right side transmission part is connected with the walking driving part at a first end, is connected with the right guiding differential and the right stabilizing differential at a second end respectively, and is used for driving the right guiding roller and the right stabilizing roller to walk respectively; a right guide switching piece for controlling the selective connection of the right side transmission piece and the right guide differential is arranged between the right side transmission piece and the right guide differential, and a right stable switching piece for controlling the selective connection of the right side transmission piece and the right stable differential is arranged between the right side transmission piece and the right stable differential;
the left transmission part is connected with the right transmission part, is respectively connected with the left guiding differential mechanism and the left stabilizing differential mechanism, and is used for respectively driving the left guiding roller and the left stabilizing roller to walk; a left guide switching piece for controlling the selective connection of the left transmission piece and the left guide differential is arranged between the left transmission piece and the left stabilizing differential, and a left stabilizing switching piece for controlling the selective connection of the left transmission piece and the left stabilizing differential is arranged between the left transmission piece and the left stabilizing differential; a walking switching piece for controlling the selective connection of the left transmission piece and the walking differential mechanism is arranged between the left transmission piece and the walking differential mechanism;
the walking transmission part is connected between the walking differential mechanism and the first walking roller and is used for driving the first walking roller to walk;
when the second walking roller is connected with the walking driving piece, the right guiding switching piece, the right stable switching piece, the left guiding switching piece and the left stable switching piece enable the two connected parts to be kept in a disconnected state, and the walking switching piece enables the two connected parts to be kept in a connected state to simulate a double track;
when the replacement walking roller is connected with the walking driving part, the walking switching part enables the two connected parts to be kept in a disconnected state, and the right guiding switching part, the right stable switching part, the left guiding switching part and the left stable switching part enable the two connected parts to be kept in a connected state so as to realize the simulation of a single track.
Compared with the background technology, the rolling vibration test bed for the railway vehicle provided by the invention comprises a plurality of groups of first roller frames and second roller frames which are oppositely arranged.
When the second roller carrier is provided with a second walking roller, the traditional double track is formed by combining the first walking roller arranged on the first roller carrier, so that the double track is simulated; when the second roller frame is provided with the replacement walking rollers, the guide rollers and the stabilizing rollers arranged at two sides of the adjacent second roller frame are combined to form a typical single track, so that the single track is simulated. Therefore, the rolling vibration test bed for the railway vehicle is suitable for two railway vehicles, a test bed specially applied to a straddle type monorail vehicle does not need to be additionally arranged independently, and the rolling vibration test bed is good in adaptability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a rear side view of a rail vehicle rolling vibration test stand according to one embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
fig. 5 is a gear drive scheme.
The reference numbers are as follows:
a first roller frame 1, a second roller frame 2, an inclinable base 5 and a support base 6;
a first travel roller 11;
a second walking roller 21, a guide roller 22 and a stabilizing roller 23;
a left guide roller 221 and a right guide roller 222;
a left stabilizing roller 231 and a right stabilizing roller 232;
a first distance adjustment slide 310, a front first roller base 311, and a rear first roller base 312;
a second pitch adjustment ramp 320, a front second roller base 321, and a rear second roller base 322;
a gauge adjusting slide 40, a front bogie base 41 and a rear bogie base 42;
a distance adjustment slide 50;
a tilt driving member 61 and a rotation supporting member 62;
a travel drive 70, a first bevel gear box 71, a second bevel gear box 72, a third bevel gear box 73, a fourth bevel gear box 74, a fifth bevel gear box 75, and a sixth bevel gear box 76;
a left steering differential 81, a right steering differential 82, a left stabilizing differential 83, a right stabilizing differential 84, and a walking differential 85;
a left guide switching piece 91, a right guide switching piece 92, a left stability switching piece 93, a right stability switching piece 94, and a travel switching piece 95.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.
Referring to fig. 1 to 5, fig. 1 is a rear side view of a rolling vibration test bed for a railway vehicle according to an embodiment of the present invention; FIG. 2 is a right side view of FIG. 1; FIG. 3 is a left side view of FIG. 1; FIG. 4 is a top view of FIG. 1; fig. 5 is a gear drive scheme.
It should be noted that, in the text, the length direction of the track specifically refers to the direction indicated by the X axis in fig. 2 and 4, the width direction of the track specifically refers to the direction indicated by the Y axis in fig. 1 and 4, and the height direction of the track specifically refers to the direction indicated by the Z axis in fig. 1 and 2.
The embodiment of the invention discloses a rolling vibration test bed for a railway vehicle, which comprises a plurality of groups of first roller carriers 1 and second roller carriers 2 which are arranged in a one-to-one correspondence manner, wherein the first roller carriers 1 and the second roller carriers 2 which correspond to each other in each group are distributed in a staggered manner along the length direction of a track. In this embodiment, the present invention includes two pairs of first roller frames 1 and second roller frames 2, each pair of first roller frames 1 includes three first roller frames 1, each pair of second roller frames 2 includes three second roller frames 2, and six first roller frames 1 and six second roller frames 2, so as to conveniently simulate a six-axis double-track vehicle, but considering that a single-track vehicle usually has only four axes, guide rollers 22 and stabilizing rollers 23 are installed on two sides of four second roller frames 2 adjacent to each other in the middle.
Of course, each set of first roller frame 1 may specifically include two first roller frames 1, and each set of second roller frame 2 specifically includes two second roller frames 2, and there are four first roller frames 1 and four second roller frames 2, so as to facilitate simulation of a four-axle double-track vehicle and a four-axle single-track vehicle, and at this time, guide rollers 22 and stabilizing rollers 23 are installed on two sides of the four second roller frames 2. Therefore, the number of the first roller frame 1 and the second roller frame 2 can be set according to actual conditions.
The top of each first roller frame 1 is provided with a first walking roller 11 for supporting walking, and correspondingly, the first roller frame 1 further comprises a first frame body for supporting the first walking roller 11, and the first walking roller 11 is rotatably mounted on the first frame body.
The second roller frame 2 comprises a second walking roller 21, and when the second walking roller 21 is installed on the second roller frame 2, the second walking roller 21 is matched with the first walking roller 11 to form a traditional double track, so that a rolling vibration test of the double track is realized. At this time, the first and second traveling rollers 11 and 21 are both steel rollers.
A guide roller 22 and a stabilizing roller 23 are mounted on two sides of a plurality of adjacent second roller frames 2, and the guide roller 22 and the stabilizing roller 23 can be arranged in a manner specifically referred to above. Accordingly, the second roller frame 2 further includes a replacement traveling roller for replacing the second traveling roller 21, and when the replacement traveling roller is mounted to the second roller frame 2, the replacement traveling roller, the guide roller 22 and the stabilizing roller 23 cooperate with each other to form a typical single track, thereby implementing a rolling vibration test of the single track. Only the second roller frame 2 is used at this time, and the alternative traveling roller, the guide roller 22, and the stabilizing roller 23 are all rubber rollers.
Preferably, the guide roller 22 and the stabilizing roller 23 are detachably mounted on both sides of the second roller frame 2, so that the guide roller and the stabilizing roller can be conveniently detached and replaced as required. The guide rollers 22 and the stabilizing rollers 23 are mounted in a manner known in the art.
In this embodiment, the present invention specifically includes two sets of first roller frames 1 and second roller frames 2, and six second roller frames 2 are distributed along the length direction of the track in a staggered manner, wherein the two sides of the middle four second roller frames 2 are respectively provided with a guide roller 22 and a stabilizing roller 23, and the two sides of the two second roller frames 2 at the two ends are not provided with the guide roller 22 and the stabilizing roller 23.
Further, the guide rollers 22 and the stabilizing rollers 23 disposed at both sides of the second roller frame 2 can move relatively along three coordinate axes of Y-axis, X-axis and Z-axis, and when the two move along the Y-axis, the second roller frame 2 can be applied to a monorail with a longitudinal span varying within a certain range; when the two move along the X axis, the second roller frame 2 can be applied to a single track with transverse span varying within a certain range; when moving along the Z axis, the second roller frame 2 can be applied to a single rail with the rail surface height changing within a certain range, the application range is wider, and the adaptability is improved.
The second walking rollers 21 or the replacement walking rollers are mounted at the top of the second roller frame 2, and the second roller frame 2 further comprises a second frame body for supporting the second walking rollers 21 or the replacement walking rollers to rotate.
In conclusion, the rolling vibration test bed for the railway vehicle can simulate two working conditions of a double track and a single track by replacing the second walking rollers 21 or replacing the walking rollers, is suitable for two railway vehicles, does not need to be additionally provided with a test bed specially applied to a straddle type monorail vehicle, and is good in adaptability.
The invention also comprises a plurality of first roller wheel bases and a plurality of second roller wheel bases, wherein the first roller wheel bases and the second roller wheel bases are arranged in a one-to-one correspondence manner, and each first roller wheel base is arranged at the bottom of each group of first roller wheel frames 1 in a one-to-one correspondence manner and is used for supporting the corresponding first roller wheel frame 1 to relatively slide along the length direction of the track. Each second roller base is correspondingly arranged at the bottom of each group of second roller frames 2 one by one and is used for supporting the corresponding second roller frame 2 to relatively slide along the length direction of the track, so that the first roller frame 1 and the second roller frame 2 can relatively slide along the length direction of the track, and the axle distance is adjusted.
In this embodiment, the present invention includes a front first roller frame and a rear first roller frame which are arranged in a staggered manner along the length direction of the rail, and a front second roller frame and a rear second roller frame which are arranged in a staggered manner along the length direction of the rail, and accordingly, the first roller base includes a front first roller base 311 for supporting the front first roller frame and a rear first roller base 312 for supporting the rear first roller frame, and the second roller base includes a front second roller base 321 for supporting the front second roller frame and a rear second roller base 322 for supporting the rear second roller frame.
In order to ensure that the first roller base is stably connected with the first roller frame 1, a first axial distance locking piece can be additionally arranged on the first roller base and the first roller frame 1, when the first roller frame 1 slides to an ideal position along the first roller base, the first axial distance locking piece locks the first roller frame 1 on the first roller base, so that the first roller frame 1 is fixed relative to the first roller base, and the accuracy of a test result is improved. The first distance locking member may be a locking bolt passing through the first roller frame 1 and abutting the first roller base. Similarly, a second distance locking member may be added to the second roller base and the second roller frame 2 to ensure that the second roller base is stably connected to the second roller frame 2, and the structure of the second distance locking member is the same as that of the first distance locking member, and will not be described in detail herein.
In order to make the first roller frame 1 slide stably, a first axial distance adjusting slide 310 and a first axial distance adjusting chute are disposed between the first roller base and the first roller frame 1, so as to guide the first roller frame 1 to slide along the length direction of the rail relative to the first roller base. In this embodiment, the first distance adjusting sliding chute 310 is a T-shaped sliding chute fixedly disposed on the first roller base and extending along the length direction of the rail, and accordingly, the first distance adjusting sliding chute is a T-shaped sliding chute disposed at the bottom of each first roller frame 1, so as to effectively prevent the first roller frames 1 from rolling over during the sliding process, and is safe and reliable. Of course, the arrangement positions of the first axial distance adjusting slide way 310 and the first axial distance adjusting chute are interchanged, or the arrangement positions of the first axial distance adjusting slide way and the first axial distance adjusting chute are replaced, so that the purpose of the invention is not affected. Similarly, a second distance adjusting slide 320 and a second distance adjusting chute are disposed between the second roller base and the second roller frame 2, so as to ensure that the second roller frame 2 slides stably.
The length of the first roller base is specifically set according to the length and number of the first roller frame 1, and the length of the second roller base is specifically set according to the length and number of the second roller frame 2, which is not specifically limited herein.
The invention also comprises a plurality of bogie bases, wherein each bogie base is provided with the bottom of a group of corresponding first roller bases and second roller bases and is used for supporting a group of corresponding first roller bases and second roller bases to enable the corresponding first roller bases and second roller bases to relatively slide along the width direction of the track, so that the first roller frames 1 and the second roller frames 2 relatively slide along the width direction of the track, and further the track gauge adjustment is realized.
In this embodiment, in view of the present invention in which the first roller base includes the front first roller base 311 for supporting the front first roller frame and the rear first roller base 312 for supporting the rear first roller frame, and the second roller base includes the front second roller base 321 for supporting the front second roller frame and the rear second roller base 322 for supporting the rear second roller frame, accordingly, the truck base includes the front truck base 41 for supporting the front first roller base 311 and the front second roller base 321 at the same time and the rear truck base 42 for supporting the rear first roller base 312 and the rear second roller base 322 at the same time.
The track gauge locking parts can be arranged between the first roller base and the bogie base and between the second roller base and the bogie base, and when the first roller base and the second roller base slide to ideal positions, the track gauge locking parts fix the first roller base and the second roller base on the bogie base respectively, so that the first roller base and the second roller base are fixed relative to the bogie base at the ideal positions, and the accuracy of test results is further improved. The gauge locking member may also be, but is not limited to, a locking bolt that abuts the truck base.
In order to make the first roller base and the second roller base slide stably, a track gauge adjusting slide way 40 and a track gauge adjusting slide way which are matched with each other are arranged between the bogie base and the first roller base and between the bogie base and the second roller base respectively, so that the first roller base and the second roller base can be respectively guided to slide relative to the bogie base along the width direction of the track.
In this embodiment, each bogie base is provided with two mutually parallel track gauge adjusting slideways 40, each track gauge adjusting slideway 40 is a T-shaped slideway, each of the first roller base and the second roller base is provided with a track gauge adjusting chute, and each track gauge adjusting chute is a T-shaped chute to prevent the first roller base and the second roller base from side turning over. Of course, interchanging the gage adjustment slides 40 and the gage adjustment runners does not affect the objectives of the invention.
The invention also comprises a tiltable base 5 arranged at the bottom of the bogie base, wherein the tiltable base 5 can drive one side of all the bogie bases to lift relative to the other side along the height direction of the track, so that all the bogie bases incline, the bogie bases arranged on the tiltable base 5 incline, and the first roller frame 1 and the second roller frame 2 incline, thereby realizing the adjustment of the superelevation.
To achieve tilting, the invention further comprises a support base 6, a tilting drive 61 and a turning support 62, wherein the support base 6 is fixed relative to the ground for supporting the components.
The tilt drive 61 is disposed between the first side of the support base 6 and the first side of the tiltable base 5 for driving the first side of the tiltable base 5 to ascend and descend along the height direction of the rails with respect to the first side of the support base 6, thereby tilting the tiltable base 5 with respect to the support base 6. The tilting drive 61 is preferably a hydraulic cylinder, but can of course also be a pneumatic cylinder, but is not limited thereto. The first side of the support base 6 is the right side of the support base 6, and two tilt driving members 61 are specifically provided, but not limited thereto, based on the current view of fig. 1.
A rotational support 62 is provided between the second side of the support base 6 and the second side of the tiltable base 5 for supporting the second side of the tiltable base 5 for rotation relative to the second side of the support base 6. The rotational support 62 may be an annular bearing, but is not limited thereto. Of course, the manner of tilting the tiltable base 5 is not limited thereto.
The present application further comprises distance adjusting slides 50 and distance adjusting chutes provided between the bogie base and the tiltable base 5 and cooperating with each other, so as to guide the bogie base to slide along the length direction of the railway vehicle, adjust the distance between two adjacent bogie bases, and thereby realize the adjustment of the distance. In this embodiment, the distance adjusting slideways 50 are two T-shaped slideways respectively disposed on two sides of the tiltable base 5 and extending along the length direction of the track, and the distance adjusting slideways are two T-shaped slideways disposed on two sides of each bogie base, so as to prevent the bogie bases from turning sideways, and the test is reliable. Of course, interchanging the distance adjustment slide 50 and the distance adjustment runner setting positions does not affect the achievement of the objectives of the present invention.
In this embodiment, the guide roller 22 includes a left guide roller 221 and a right guide roller 222 which are oppositely disposed, and the stabilizing roller 23 includes a left stabilizing roller 231 and a right stabilizing roller 232 which are oppositely disposed.
The left guide roller 221 and the right guide roller 222 are respectively provided with a left guide differential 81 and a right guide differential 82 correspondingly, so that the rotating speeds of the left guide roller 221 and the right guide roller 222 during steering are matched. The left stabilizing roller 231 and the right stabilizing roller 232 are respectively and correspondingly provided with a left stabilizing differential 83 and a right stabilizing differential 84, so that the rotating speeds of the left stabilizing roller 231 and the right stabilizing roller 232 are matched when the left stabilizing roller 231 and the right stabilizing roller 232 rotate. The first walking roller 11 is provided with a walking differential 85, and the rotating speed of the first walking roller 11 is matched with that of the second walking roller 21 during steering. The structure and the operation principle of the left guiding differential 81, the right guiding differential 82, the left stabilizing differential 83, the right stabilizing differential 84 and the walking differential 85 can be referred to the prior art.
The present invention further includes a travel driving member 70, a right side transmission member, a right guidance switching member 92, a right stability switching member 94, a left side transmission member, a left guidance switching member 91, a left stability switching member 93, a travel switching member 95, and a travel transmission member.
The walking drive member 70 is connected to the second walking roller 21 or the alternative walking roller, and the walking drive member 70 may be a driving motor, but is not limited thereto.
In this embodiment, a first bevel gear box 71 for transmitting power is disposed between the traveling driving member 70 and the second traveling roller 21 or between the traveling driving member 70 and the replacement traveling roller, a coupling for connecting the first bevel gear box 71 and the traveling driving member 70 and transmitting power is disposed between the first bevel gear box 71 and the traveling driving member 70, and a universal coupling for connecting the first bevel gear box 71 and the second traveling roller 21 or between the first bevel gear box 71 and the replacement traveling roller is disposed between the first bevel gear box 71 and the replacement traveling roller.
The right transmission member has a first end connected to the walking driving member 70 and a second end connected to the right guiding differential 82 and the right stabilizing differential 84, respectively, and transmits the torque output from the walking driving member 70 to the right guiding roller 222 and the right stabilizing roller 232, respectively, so as to drive the right guiding roller 222 and the right stabilizing roller 232 to walk, respectively.
In this embodiment, the right side transmission comprises a second bevel gear box 72 connected to the first bevel gear box 71 and a third bevel gear box 73 connected to the second bevel gear box 72, the second bevel gear box 72 and the third bevel gear box 73 being connected by a coupling.
In order to make the structure more compact, a right guiding switching member 92 for controlling the selective connection between the right side transmission member and the right guiding differential 82 is arranged between the right side transmission member and the right stabilizing differential 84, a right stabilizing switching member 94 for controlling the selective connection between the right side transmission member and the right stabilizing differential 84 is arranged between the right side transmission member and the right stabilizing differential 82, the engaging state between the third bevel gear of the right guiding switching member 92 and the right guiding differential 82 is controlled, the right stabilizing switching member 94 is used for switching the engaging state between the third bevel gear of the right guiding switching member and the right stabilizing differential 84, and the structure and the working principle of the right guiding switching member 92 and the right stabilizing switching member 94 can refer to the prior art specifically, and are not detailed herein.
The left side driving medium links to each other with the right side driving medium, and the left side driving medium links to each other with left direction differential 81 and left stabilizing differential 83 respectively for drive left guide roller 221 and left stabilizing roller 231 walk respectively. In this embodiment, the left side transmission member is embodied as, but not limited to, a fourth bevel gear box 74 connected to a third bevel gear box 73 by a coupling.
In order to further make the structure more compact, a left guide switching piece 91 for controlling the selective connection between the left transmission piece and the left guide differential 81 is arranged between the left transmission piece and the left guide differential 81 and is used for switching the meshing state between the left transmission piece and the left guide differential 81; a left stable switching piece 93 used for controlling the selective connection between the left transmission piece and the left stable differential 83 is arranged between the left transmission piece and the left stable differential 83 and used for switching the meshing state between the left transmission piece and the left stable differential 83; a traveling switching member 95 for controlling selective connection between the left side transmission member and the traveling differential 85 is provided between the left side transmission member and the traveling differential 85, and is used for switching the meshing state between the left side transmission member and the traveling differential 85. The structure and operation principle of the left guiding switching member 91, the left stabilizing switching member 93 and the walking switching member 95 can be referred to the prior art, and are not described in detail herein.
The traveling transmission member is connected between the traveling differential 85 and the first traveling roller 11, and is configured to drive the first traveling roller 11 to travel. In this embodiment, the traveling transmission member includes a fifth bevel gear box 75 and a sixth bevel gear box 76 which are connected to each other, and the fifth bevel gear box 75 and the sixth bevel gear box 76 and the first traveling roller 11 are connected by a coupling.
It is critical that when the second traveling roller 21 is connected to the traveling driving member 70, the right guiding switching member 92, the right stabilizing switching member 94, the left guiding switching member 91 and the left stabilizing switching member 93 keep the two connected members in a disconnected state, and the traveling switching member 95 keeps the two connected members in a connected state, so as to simulate a double track. When the alternative traveling roller is connected to the traveling driving member 70, the traveling switching member 95 keeps the connection state of the two members, and the right guiding switching member 92, the right stabilizing switching member 94, the left guiding switching member 91, and the left stabilizing switching member 93 keep the connection state of the two members, thereby realizing the simulation of a monorail. Therefore, the two rail working conditions can be simulated by using one set of gear transmission mechanism, and the situation that two transmission mechanisms are additionally arranged independently is avoided, so that the structure is compact, and the cost is low.
In addition, with the improvement of adaptability, in the length direction along the track, the guide roller 22 and the stabilizing roller 23 are not installed on the outermost second roller frame 2 of any two adjacent groups of second roller frames 2, and only the adjacent second roller frame 2 is installed with the guide roller 22 and the stabilizing roller 23, namely the outermost second roller frame 2 is not installed with the guide roller 22 and the stabilizing roller 23.
The working principle of the rolling vibration test bed for the railway vehicle provided by the invention is as follows:
when the second walking roller 21 is connected with the walking driving member 70, performing a double-track rolling vibration test;
synchronously adjusting the first walking roller 11 and the second walking roller 21 to deflect the same angle to form a steering curve, and enabling each differential to adapt to the rotating speed of the first walking roller 11 and the second walking roller 21 so as to adapt to the steering curve, so that the rotating speed of the walking rollers on the outer side of the steering curve is higher than that of the walking rollers on the inner side, and curve passing simulation is realized;
starting the inclined driving piece 61, and inclining the inclined base 5 relative to the supporting base 6 until reaching a preset inclination angle to enable the rail surface on one side to be higher than the rail surface on the other side, so that the ultrahigh simulation is realized;
the tiltable base 5 is adjusted to enable the first walking roller 11 and the second walking roller 21 to move relatively along the Z axis, so that the tops of the first walking roller 11 and the second walking roller 21 have height difference, and horizontal irregularity simulation is realized;
controlling the first walking roller 11 and the second walking roller 21 to synchronously move along the Z axis, and realizing the simulation of vertical irregularity due to the height difference of a connecting shaft connected between the first walking roller 11 and the second walking roller 21 in the Z axis direction;
controlling the first walking roller 11 and the second walking roller 21 to synchronously move along the Y axis, and enabling the first walking roller 11 and the second walking roller 21 to shake and rotate around the Y axis, so that a connecting shaft has displacement deviation and corner deviation on the Y axis, and the purpose of simulating unsmooth direction is achieved;
and controlling the first walking roller 11 and the second walking roller 21 to move along the Y axis, and enabling the first walking roller 11 and the second walking roller 21 to swing around the Y axis, so that the corresponding first walking roller 11 and the second walking roller 21 have deviation on the Y axis, and the purpose of simulating the irregularity of the track gauge is achieved.
When the replacement walking roller is connected with the walking driving member 70, performing a single-track rolling vibration test;
synchronously adjusting the deflection angles of the second walking rollers 21 to be the same, and the deflection angles of the guide rollers 22 on different sides and the deflection angles of the stabilizing rollers 23 on different sides to form a steering curve, wherein each differential is adapted to the rotating speed of the different second walking rollers 21, and each differential is adapted to the guide rollers 22 on different sides and the stabilizing rollers 23 on different sides, so that curve passing simulation is realized;
starting the inclined driving piece 61, and inclining the inclined base 5 relative to the supporting base 6 until reaching a preset inclination angle to enable the rail surface on one side to be higher than the rail surface on the other side, so that the ultrahigh simulation is realized;
controlling the connecting shafts formed by the guide rollers 22 on the two sides and the stabilizing rollers 23 on the two sides to have height difference on the Z axis, and realizing simulation of vertical irregularity;
the guide rollers 22 on the two sides are controlled to synchronously move along the Y axis, so that the displacement difference of two adjacent connecting shafts connected between the two opposite guide rollers 22 in the Y axis direction is caused, and the irregularity of the simulation direction is realized;
the guide rollers 22 on the two sides are controlled to move relatively along the Y axis, so that the deviation indirectly occurs on the Y axis relative to the two guide rollers 22, and the purpose of simulating the irregularity of the width of the rail surface is achieved.
The rolling vibration test bed for the rail vehicle provided by the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. A rail vehicle rolling vibration test stand, comprising:
the device comprises a plurality of groups of first roller carriers (1) and second roller carriers (2) which are arranged in a one-to-one correspondence manner, wherein each first roller carrier (1) is provided with a first walking roller (11), each second roller carrier (2) comprises a second walking roller (21) which is matched with the corresponding first walking roller (11) to simulate a double track, guide rollers (22) and stabilizing rollers (23) are arranged on two sides of each adjacent second roller carrier (2), and the second roller carriers (2) further comprise replacement walking rollers which are used for replacing the second walking rollers (21) to match the guide rollers (22) and the stabilizing rollers (23) to simulate a single track;
the bogie comprises a plurality of first roller bases, a plurality of second roller bases and a plurality of bogie bases, wherein the plurality of second roller bases correspond to the first roller bases one by one, each bogie base is arranged at the bottom of one group of corresponding first roller bases and second roller bases and is used for supporting the bottoms of the corresponding first roller bases and second roller bases to relatively slide along the width direction of a track so as to realize the adjustment of the track gauge; and the number of the first and second groups,
the tiltable base (5) is arranged at the bottom of the bogie base and is used for driving one side of the whole bogie base to lift relative to the other side along the height direction of the track so as to enable the whole bogie base to tilt;
the guide roller (22) comprises a left guide roller (221) and a right guide roller (222) which are oppositely arranged, the stabilizing roller (23) comprises a left stabilizing roller (231) and a right stabilizing roller (232) which are oppositely arranged, the left guide roller (221) and the right guide roller (222) are respectively and correspondingly provided with a left guide differential (81) and a right guide differential (82) which are used for adapting the rotating speeds of the left stabilizing roller and the right stabilizing roller, the left stabilizing roller (231) and the right stabilizing roller (232) are respectively and correspondingly provided with a left stabilizing differential (83) and a right stabilizing differential (84) which are used for adapting the rotating speeds of the left stabilizing roller and the right stabilizing roller, and the first walking roller (11) is provided with a walking differential (85) which is adapted to the rotating speed of the second walking roller (21);
further comprising:
a travel drive (70) coupled to the second travel roller (21) or the alternate travel roller;
a right side transmission member having a first end connected to the walking driving member (70) and a second end connected to the right guiding differential (82) and the right stabilizing differential (84), respectively, for driving the right guiding roller (222) and the right stabilizing roller (232) to walk, respectively; a right guide switching piece (92) used for controlling the selective connection between the right transmission piece and the right guide differential (82), and a right stable switching piece (94) used for controlling the selective connection between the right transmission piece and the right stable differential (84);
the left transmission piece is connected with the right transmission piece, is respectively connected with the left guide differential (81) and the left stabilizing differential (83), and is used for respectively driving the left guide roller (221) and the left stabilizing roller (231) to walk; a left guiding switching piece (91) used for controlling the selective connection of the left driving piece and the left guiding differential (81) is arranged between the left driving piece and the left stabilizing differential (83), and a left stabilizing switching piece (93) used for controlling the selective connection of the left driving piece and the left stabilizing differential is arranged between the left driving piece and the left stabilizing differential (83); a walking switching piece (95) used for controlling the selective connection of the left transmission piece and the walking differential (85) is arranged between the left transmission piece and the walking differential;
the walking transmission part is connected between the walking differential (85) and the first walking roller (11) and is used for driving the first walking roller (11) to walk;
when the second walking roller (21) is connected with the walking driving piece (70), the right guiding switching piece (92), the right stable switching piece (94), the left guiding switching piece (91) and the left stable switching piece (93) enable the two connected parts to be kept in a disconnected state, and the walking switching piece (95) enables the two connected parts to be kept in a connected state to realize a simulated double track;
when the alternative walking rollers are connected with the walking driving part (70), the walking switching part (95) enables the two connected parts to be kept in a disconnected state, and the right guiding switching part (92), the right stable switching part (94), the left guiding switching part (91) and the left stable switching part (93) enable the two connected parts to be kept in a connected state to realize single track simulation.
2. The rail vehicle rolling vibration test bed according to claim 1, wherein each of the first roller bases is correspondingly disposed at the bottom of each of the first roller frames (1) for supporting the corresponding first roller frame (1) to slide relatively along the length direction of the rail, and each of the second roller bases is correspondingly disposed at the bottom of each of the second roller frames (2) for supporting the corresponding second roller frame (2) to slide relatively along the length direction of the rail to match the corresponding first roller base for adjusting the axle distance.
3. The rail vehicle rolling vibration test stand of claim 2, further comprising:
the first distance adjusting slide way (310) and the first distance adjusting sliding groove are arranged between the first roller base and the first roller frame (1), are matched with each other and are used for guiding the first roller frame (1) to slide along the length direction of the track;
and the second distance adjusting slide way (320) and the second distance adjusting slide groove are arranged between the second roller base and the second roller frame (2), are matched with each other and are used for guiding the second roller frame (2) to slide along the length direction of the rail vehicle.
4. The rail vehicle rolling vibration test stand of claim 3, further comprising:
the track gauge adjusting slide way (40) and the track gauge adjusting slide groove are arranged between the bogie base and the first roller base and between the bogie base and the second roller base, are matched with each other and are used for respectively guiding the first roller base and the second roller base to slide relative to the bogie base along the width direction of a track.
5. The rail vehicle rolling vibration test stand of claim 4, further comprising:
a support base (6);
a tilt drive (61) provided between the first side of the support base (6) and the first side of the tiltable base (5) for driving the first side of the tiltable base (5) to ascend and descend in a height direction of the track with respect to the first side of the support base (6) to tilt the tiltable base (5) with respect to the support base (6);
a rotational support (62) disposed between the second side of the support base (6) and the second side of the tiltable base (5) for supporting the second side of the tiltable base (5) for rotation relative to the second side of the support base (6).
6. The rail vehicle rolling vibration test stand of claim 4, further comprising:
locate the bogie base with between the tiltable base (5) and mutually support, be used for guiding the bogie base is along the gliding distance adjustment slide way (50) of rail vehicle's length direction and distance adjustment spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010017817.5A CN111175060B (en) | 2020-01-08 | 2020-01-08 | Rolling vibration test bed for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010017817.5A CN111175060B (en) | 2020-01-08 | 2020-01-08 | Rolling vibration test bed for railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111175060A CN111175060A (en) | 2020-05-19 |
| CN111175060B true CN111175060B (en) | 2022-05-10 |
Family
ID=70652585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010017817.5A Active CN111175060B (en) | 2020-01-08 | 2020-01-08 | Rolling vibration test bed for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111175060B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587022A (en) * | 2006-12-31 | 2009-11-25 | 西南交通大学 | Emulation test bench for vehicle operating of rail locomotive based on differentia transmission |
| CN102928240A (en) * | 2011-08-10 | 2013-02-13 | 重庆长客轨道车辆有限公司 | Comprehensive testing table for bogie of straddle type single-rail vehicle |
| CN206074208U (en) * | 2016-09-06 | 2017-04-05 | 吉林大学 | Full degree of freedom orbital simulator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1137904A (en) * | 1997-07-24 | 1999-02-12 | Hitachi Ltd | Device and method for testing vehicle |
| CN201016860Y (en) * | 2006-12-31 | 2008-02-06 | 西南交通大学 | Rolling stock operation simulator stand |
| CN104359642B (en) * | 2014-11-10 | 2017-12-22 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle bump testing machine |
| CN108139299B (en) * | 2015-10-16 | 2021-04-13 | 巴里理工大学 | Method for determining modal parameters of a road or rail vehicle and indirectly characterizing a road or rail profile |
-
2020
- 2020-01-08 CN CN202010017817.5A patent/CN111175060B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587022A (en) * | 2006-12-31 | 2009-11-25 | 西南交通大学 | Emulation test bench for vehicle operating of rail locomotive based on differentia transmission |
| CN102928240A (en) * | 2011-08-10 | 2013-02-13 | 重庆长客轨道车辆有限公司 | Comprehensive testing table for bogie of straddle type single-rail vehicle |
| CN206074208U (en) * | 2016-09-06 | 2017-04-05 | 吉林大学 | Full degree of freedom orbital simulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111175060A (en) | 2020-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100537236B1 (en) | Composite articulated coupling between two components of a public transport vehicle separated by an intermediate axle-mounted module | |
| JP2876096B2 (en) | Bogie gauge changing method, variable gauge bogie and gauge changing equipment | |
| CN110143206B (en) | Linkage device for rail locomotive and rail locomotive | |
| JPH10297487A (en) | Gauge variable truck for rolling stock | |
| CN107130480B (en) | Railway switch transport vehicle | |
| CN111175060B (en) | Rolling vibration test bed for railway vehicle | |
| CN110789280A (en) | Conversion method for tire walking and rail walking of tunnel vehicle | |
| EP2217482A1 (en) | A monorail rapid transit system | |
| CN203947826U (en) | Double track is without dodging parking apparatus | |
| FI88009B (en) | VAGN SOM STYRS MED RIKTBARA AXLAR | |
| JPH08253147A (en) | Variable gauge track of railway rolling stock | |
| SE1200564A1 (en) | Transport system | |
| CN210798399U (en) | Self-driven vehicle platform for stage | |
| CN209192911U (en) | Lifting assembly, track elevator and the rail system with the track elevator | |
| CN104203709A (en) | Pendulation device capable of bearing transverse and longitudinal forces | |
| CN107554549B (en) | Guide system on train bogie and working method thereof | |
| CN209938582U (en) | Linkage device and rail locomotive | |
| CN209760858U (en) | Sliding type rotary table | |
| CN112092829A (en) | Rail transfer device, vehicle and rail transit system | |
| CN107142798B (en) | Operation method of railway turnout transport vehicle | |
| JP4220891B2 (en) | Track rail type automatic traveling cart | |
| CN202029850U (en) | Small-sized single-track travel mechanism | |
| JPH07165068A (en) | Carrying equipment using truck | |
| CN215890040U (en) | Tunnel operation trolley | |
| CN214298936U (en) | Three-pivot trolley device capable of eliminating lateral clearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |