CN209757114U - Guide wheel pretightening force adjusting device, bogie and railway vehicle with same - Google Patents
Guide wheel pretightening force adjusting device, bogie and railway vehicle with same Download PDFInfo
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- CN209757114U CN209757114U CN201920233859.5U CN201920233859U CN209757114U CN 209757114 U CN209757114 U CN 209757114U CN 201920233859 U CN201920233859 U CN 201920233859U CN 209757114 U CN209757114 U CN 209757114U
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- guide wheel
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- adjusting device
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Abstract
The utility model provides a leading wheel pretightning force adjusting device, bogie and have its rail vehicle. The leading wheel pretightning force adjusting device includes: a guide wheel mounting seat; a bogie base; one end of the adjusting connecting rod is connected with the guide wheel mounting seat, and the other end of the adjusting connecting rod is connected with the bogie base; one end of the piston cylinder is connected with the guide wheel mounting seat, and the other end of the piston cylinder is connected with the bogie base; the elastic piece is sleeved on the piston cylinder. The utility model provides a leading wheel pretightning force adjusting device can realize under leading wheel wearing and tearing back automatically regulated function and the undulant operating mode of road, and the stationarity keeps the function, and whole weight is lower, practices thrift the cost.
Description
Technical Field
The utility model belongs to the rail transit field especially relates to a leading wheel pretightning force adjusting device, bogie and have its rail vehicle.
background
The existing device for adjusting the pretightening force of the guide wheel only adopts one set of damping spring system, and a small part of the damping spring system uses two sets of damping spring systems. Only one set of damping spring system is adopted, the problem of poor stability exists when the guide wheel is bent excessively, and the positioning and guiding characteristics of the guide wheel are poor; two sets of damping spring systems are adopted, so that the weight is relatively heavy and the cost is relatively high.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a leading wheel pretightning force adjusting device, bogie and have its rail vehicle. The utility model provides a leading wheel pretightning force adjusting device can realize under leading wheel wearing and tearing back automatically regulated function and the undulant operating mode of road, and the stationarity keeps the function, and whole weight is lower, practices thrift the cost.
According to a first aspect of the present invention, a guide wheel pretension adjusting device is provided, including:
A guide wheel mounting seat; a bogie base; one end of the adjusting connecting rod is connected with the guide wheel mounting seat, and the other end of the adjusting connecting rod is connected with the bogie base; one end of the piston cylinder is connected with the guide wheel mounting seat, and the other end of the piston cylinder is connected with the bogie base; the elastic piece is sleeved on the piston cylinder.
according to the guide wheel pretightening force adjusting device provided by the embodiment of the first aspect of the invention, when the guide wheel is abraded to a certain extent, the pretightening force between the guide wheel and the track beam can be automatically adjusted, so that the track beam and the guide wheel are continuously kept in a pretightening state, and the function of automatically adjusting the pretightening force of the guide wheel can be realized. When the vehicle is bent or the beam surface is uneven to cause the transverse fluctuation of the vehicle, the elastic part generates a reciprocating deformation effect, and the guide force is adjusted according to the continuous change of the working condition of the track beam, so that the transverse stability of the vehicle is ensured.
In some examples of the utility model, still include the connecting pin, the connecting pin is a plurality of, and is a plurality of the connecting pin part sets up on the leading wheel mount pad, another part sets up on the bogie base. Thereby, the plurality of connecting pins make the connection between the adjusting link and the guide wheel mounting seat and the bogie base pivotable and stable. The connection pins enable the piston cylinder to be connected with the guide wheel mounting seat and the bogie base in a pivoting and stable mode.
in some examples of the invention, the number of the adjusting links is at least one. The adjusting connecting rods can enable the vehicle to be more stable when the vehicle is bent or the beam surface is uneven.
In some examples of the invention, the adjustment link is one. The adjusting connecting rod can reduce the weight of the guide wheel pretightening force adjusting device, save the cost and ensure the lateral stability of the vehicle.
In some examples of the present invention, the adjustment link has a ball at both ends, the ball at one end of the adjustment link is pivotally connected to the bogie base, and the ball at the other end of the adjustment link is pivotally connected to the steering wheel base. Therefore, the adjusting connecting rod can pivot relative to the guide wheel mounting seat and the bogie base, so that the function of adjusting the guide wheel pre-tightening force is achieved.
in some examples of the invention, the piston cylinder is at least one. The piston cylinders can enable the vehicle to be more stable when the vehicle is bent or the beam surface is uneven.
In some examples of the invention, the piston cylinder is one. The piston cylinder can reduce the weight of the guide wheel pretightening force adjusting device, saves cost and can ensure the lateral stability of a vehicle.
In some examples of the invention, the piston cylinder comprises:
The piston rod is sleeved in the cylinder body, and the piston rod can move relatively in the cylinder body; the piston rod and the cylinder body are arranged between the guide wheel mounting seat and the bogie base.
Therefore, the piston cylinder can be matched with the elastic piece to adjust the pretightening force of the guide wheel, so that the transverse stability of the vehicle is higher in the process of adjusting the pretightening force of the guide wheel.
In some examples of the present invention, the cylinder block is pivotably connected to the guide wheel mount; the piston rod is pivotally connected with the bogie base; the piston rod is connected with the cylinder body in a sliding manner; or the cylinder body is pivotally connected with the bogie base; the piston rod is pivotally connected with the guide wheel mounting seat; the piston rod is connected with the cylinder body in a sliding mode. Therefore, the transverse stability of the vehicle can be guaranteed to be high when the pretightening force of the guide wheel is adjusted.
An embodiment according to a second aspect of the present invention provides a bogie comprising a plurality of guide wheel pretensioning adjusting devices according to any one of the above embodiments. In the running process of the railway vehicle, the bogie can adjust the pretightening force of the guide wheel through the guide wheel pretightening force adjusting device, and when the railway vehicle passes a curve or the beam surface is uneven to cause the transverse fluctuation of the vehicle, the transverse fluctuation of the vehicle is smaller through the guide wheel pretightening force adjusting device, so that the transverse stability of the vehicle is ensured.
Embodiments according to a third aspect of the invention provide a rail vehicle adapted to run on a rail beam, comprising a bogie according to embodiments of the second aspect of the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic view of a bogie provided by an embodiment of the present invention;
Fig. 2 is a three-dimensional structure diagram of the guide wheel pretightening force adjusting device provided by the embodiment of the present invention;
Fig. 3 is a cross-sectional view of a guide wheel pretightening force adjusting device provided by an embodiment of the present invention;
Fig. 4 is a cross-sectional view of a bogie base provided by an embodiment of the present invention.
Reference numerals:
a track beam 1;
A bogie 2;
a guide wheel 3;
A guide wheel pretightening force adjusting device 4;
A guide wheel mount 41; a bogie base 42;
The connecting pin 43, the first connecting pin 431, the second connecting pin 432, the third connecting pin 433, the fourth connecting pin 434;
an adjusting link 44;
The piston cylinder 45, the cylinder body 451, the piston rod 452;
an elastic member 46;
Ball head 47, first ball head 471, second ball head 472, third ball head 473, fourth ball head 474, and elastic material 475.
Detailed Description
in order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "vertical", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention, wherein x is the lateral direction, x is the right, x is the left, y is the longitudinal direction, y is the front, y is the rear, z is the vertical or vertical, z is the upper, z is the lower, xOy is the horizontal, yOz is the longitudinal vertical, xOz is the lateral vertical, and that a second aspect is defined, and that "the first aspect" may include more than the two or more features of the present invention unless otherwise stated.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following describes the guide wheel pretension adjusting device 4, the bogie 2 and the railway vehicle having the same according to the embodiment of the present invention in detail with reference to fig. 1 to 4. The bogie is applied to a railway vehicle. The rail vehicle runs on the rail beam 1.
As shown in fig. 1 to 3, the guide wheel pretension adjusting device 4 includes a guide wheel mounting base 41, a bogie base 42, an adjusting link 44, a piston cylinder 45, and an elastic member 46. One end of the adjusting link 44 is connected to the guide wheel mounting base 41. And the other end is connected to a bogie base 42. The two ends of the adjusting link 44 are connected to the guide wheel mounting base 41 and the bogie base 42 respectively through the connecting pin 43. One end of the piston cylinder 45 is connected with the guide wheel mounting base 41, and the other end is connected with the bogie base 42. The two ends of the piston cylinder 45 are respectively connected with the guide wheel mounting seat 41 and the bogie base 42 through connecting pins 43. The elastic element 46 is sleeved on the piston cylinder 45. Both ends of the elastic member 46 are in contact with the guide wheel mount 41 and the bogie base 42, respectively.
During the operation of the rail vehicle, the elastic element 46 generates pre-compression, so that pre-tightening force is generated between the guide wheel 3 and the rail beam 1. When the guide wheel 3 is abraded after running for a period of time, the guide wheel 3 and the track beam 1 are continuously kept in a pre-tightening state under the combined action of the adjusting connecting rod 44, the piston cylinder 45 and the elastic piece 46, and the function of automatically adjusting the pre-tightening force of the guide wheel 3 can be realized. When the rail vehicle is bent excessively or the rail beam surface is uneven to cause the transverse fluctuation of the rail vehicle, under the combined action of the adjusting connecting rod 44, the piston cylinder 45 and the elastic piece 46, the guide force can be continuously changed and adjusted according to the working condition of the rail beam 1, so that the transverse stability of the rail vehicle is ensured. Therefore, the guide wheel pretightening force adjusting device 4 is simple in structure and low in cost, and can realize automatic pretightening force adjustment and ensure the lateral stability of the vehicle.
As shown in fig. 2-3, in some embodiments, the guide wheel pretension adjusting device 4 further includes a plurality of connecting pins 43, and the plurality of connecting pins 43 are partially disposed on the guide wheel mounting seat 41 and partially disposed on the bogie base 42. In some embodiments, the connecting pin 43 is cylindrical. In other embodiments, the connecting pin 43 may have other shapes such as a cone.
As shown in fig. 3, in some embodiments, there are four connecting pins 43, namely a first connecting pin 431, a second connecting pin 432, a third connecting pin 433, and a fourth connecting pin 434. Wherein the first connecting pin 431 and the third connecting pin 433 are fixed to the guide wheel mounting seat 41, and the second connecting pin 432 and the fourth connecting pin 434 are fixed to the bogie base 42. The first, second, third and fourth connecting pins 431, 432, 433 and 434 are all cylindrical. The adjustment link 44 has a left end pivotally connected to the first link pin 431 and a right end pivotally connected to the second link pin 432. The left end of the piston cylinder 45 is pivotally connected to the third connecting pin 433, and the right end thereof is pivotally connected to the fourth connecting pin 434. Thereby, the adjusting link 44 and the piston cylinder 45 can be pivoted relative to the guide wheel mounting 41 and the bogie base 42, so that the lateral stability of the rail vehicle is ensured more effectively. Here, the left end is a negative direction of the X axis in the drawing, and the right end is a positive direction of the X axis in the drawing.
In some embodiments, there is at least one adjustment link 44. The guide wheel pretightening force adjusting device 4 can be provided with a plurality of adjusting connecting rods 44, the adjusting connecting rods 44 can be arranged between the guide wheel mounting seat 41 and the bogie base 42 in parallel, and can act together when the rail vehicle passes a bend or the beam surface is uneven, so that the transverse stability of the rail vehicle is enhanced.
As shown in fig. 3, in some embodiments, the adjustment link 44 is one. An adjusting link 44 is located above the piston cylinder 45. In other embodiments, the adjusting link 44 may also be located below the piston cylinder 45. Therefore, one adjusting connecting rod 44 can reduce the weight of the guide wheel pretightening force adjusting device 4, reduce the cost and keep the transverse stability of the railway vehicle.
as shown in fig. 2-3, in some embodiments, the adjustment link 46 has a ball 47 at each end, the ball 47 at one end of the adjustment link 46 is pivotally connected to the bogie base 42, and the ball 47 at the other end of the adjustment link 46 is pivotally connected to the guide wheel mount 41. In some embodiments, the ball 47 is generally annular and thus may fit over the cylindrical connector pin 43. In other embodiments, the ball 47 may have other shapes such as a square shape.
As shown in fig. 2-3, in some embodiments, the left end of the adjustment link 46 has a first ball 471 and the right end of the adjustment link 46 has a second ball 472. It should be noted that, here, the left end is the negative direction of the X axis in the drawing, and the right end is the positive direction of the X axis in the drawing. The first ball 471 is pivotally sleeved on the first connecting pin 431. The second ball 472 pivotally fits over the second connecting pin 432. Thus, the adjusting link 46 can pivot relative to the first connecting pin 431 and the second connecting pin 432, that is, the adjusting link 46 can pivot relative to the guide wheel mounting seat 41 and the bogie base 42, thereby acting as a guide wheel pretension adjusting force.
As shown in fig. 4, in some embodiments, the ball head 47 and the connecting pin 43 are filled with an elastic material 475. In some embodiments, the elastic material 475 may be a rubber material. Therefore, the adjusting link 46 can not only pivot in the vertical direction, but also can generate a smaller torsion in other different directions, so that the adjusting link 46 can be better protected and the adjusting link 46 can be prevented from being damaged. It should be noted that the vertical direction is the direction of the Z axis in the drawings.
In some embodiments, there is at least one piston cylinder 45. The guide wheel pretightening force adjusting device 4 can be provided with a plurality of piston cylinders 45, and the plurality of piston cylinders 45 can be arranged between the guide wheel mounting seat 41 and the bogie base 42 in parallel, and can act together when the rail vehicle passes a bend or the beam surface is uneven, so that the transverse stability of the rail vehicle is enhanced.
In some embodiments, as shown in fig. 3, the piston cylinder 45 is one. A piston cylinder 45 is located below the adjusting link 44. In other embodiments, the piston cylinder 45 may be located above the adjustment link 44. The projections of the piston cylinder 45 and the adjusting link 44 on the horizontal plane are parallel to each other. Here, it should be noted that the horizontal plane is an XOY plane in the drawings. Therefore, the projections of the piston cylinder 45 and the adjusting connecting rod 44 on the horizontal plane are parallel to each other, the piston cylinder 45 and the adjusting connecting rod 44 can be matched with each other, the pretightening force of the guide wheel 3 is adjusted, and the transverse stability of the railway vehicle can be kept. And piston cylinder 45 is one, can reduce the weight of leading wheel pretightning force adjusting device 4, reduces its cost.
In some embodiments, as shown in fig. 3, the piston cylinder 45 further comprises a cylinder body 451 and a piston rod 452, the piston rod 452 is disposed in the cylinder body 451, and the piston rod 452 is relatively movable in the cylinder body 451. The piston rod 452 and the cylinder body 451 are disposed between the guide wheel mount 41 and the bogie base 42. In some embodiments, as shown in FIG. 3, the right end of the cylinder body 451 is hollow inside for receiving the piston rod 452. The left end of the cylinder body 451 is provided with a third ball head 473, and the third ball head 473 is used for connecting with the third connecting pin 433. The left end of the piston rod 452 is cylindrical and adapted to be engaged with the cylinder body 451 so as to be moved in the left and right directions. The right end of the piston rod 452 is provided with a fourth ball head 474, and the fourth ball head 474 is used for connecting with the fourth connecting pin 434. From this, piston cylinder 45 can be relative extension or shorten in the left and right sides direction to can cooperate with elastic component 46, adjust the pretightning force of leading wheel 3, thereby can guarantee at the in-process of adjusting the leading wheel pretightning force, the lateral stability of vehicle is higher.
In some embodiments, as shown in fig. 2-3, the cylinder body 451 is pivotally connected to the guide wheel mount 41. The piston rod 452 is pivotally connected to the truck base 42. The piston rod 452 is slidably connected to the cylinder body 451. In other embodiments of the present invention, the cylinder body 451 is pivotally connected to the truck base 42. The piston rod 452 is pivotally connected to the guide wheel mounting 41. The piston rod 452 is slidably connected to the cylinder body 451.
in some embodiments, as shown in fig. 3, a third ball head 473 is disposed at the left end of the cylinder body 451, the third ball head 473 is sleeved on a third connecting pin 433, and the third connecting pin 433 is fixed on the guide wheel mounting base 41. The portion of the third ball head 473 that contacts the third connecting pin 433 is provided with an elastic material 475. The elastic material 475 may be a rubber material. Thereby, the cylinder body 451 is pivotable in the vertical direction about the third link pin 433 on the lateral vertical plane, and can be twisted with a small amplitude in the other direction, preventing the cylinder body 451 from being damaged. It should be noted that the transverse vertical plane is an XOZ plane in the drawings, and the vertical direction is a direction of a Z axis in the drawings.
the right end of the piston rod 452 is provided with a fourth ball head 474, the fourth ball head 474 is sleeved on the fourth connecting pin 434, and the fourth connecting pin 434 is fixed on the bogie base 42. The portion of the fourth ball head 474 in contact with the fourth connecting pin 434 is also provided with a resilient material 475. The elastic material 475 may be a rubber material. Thereby, the piston rod 452 is pivotable in a transverse vertical plane in a vertical direction about the fourth connecting pin 434 and can be twisted with a small amplitude in the other direction, preventing the piston rod 452 from being damaged. It should be noted that the transverse vertical plane is an XOZ plane in the drawings, and the vertical direction is a direction of a Z axis in the drawings.
The piston cylinder 45 and the adjusting connecting rod 44 can pivot in the vertical direction, so that the adjusting connecting rod 44, the piston cylinder 45 and the elastic piece 46 can be matched with each other to adjust the pretightening force of the guide wheel 3, and the transverse stability of the railway vehicle can be ensured when the pretightening force of the guide wheel 3 is adjusted.
According to the utility model discloses bogie 2, including a plurality of basis the utility model discloses above-mentioned arbitrary embodiment leading wheel pretightning force adjusting device 4. From this, in rail vehicle operation in-process, bogie 2 can realize the automatically regulated to the pretightning force of leading wheel 3, and when rail vehicle crossed the turn or the vehicle lateral fluctuation that the roof beam face is uneven leads to, bogie 2 also can be through setting up a plurality of leading wheel pretightning force adjusting device 4 above that, comes the adjustment to the pretightning force, reduces rail vehicle's lateral fluctuation, guarantees rail vehicle's lateral stability.
According to the utility model discloses rail vehicle is suitable for and traveles on track roof beam 1, include according to the utility model discloses foretell bogie 2. Through the bogie 2 provided with the guide wheel pretightening force adjusting device 4, the pretightening force of the guide wheel 3 is adjusted, so that the transverse stability of the railway vehicle is ensured.
A guide wheel pretension adjusting device 4 according to an embodiment of the present invention is described below with reference to fig. 1 to 4.
as shown in fig. 1 to 3, the guide wheel pretension adjusting device 4 includes a guide wheel mounting base 41, a bogie base 42, a connecting pin 43, an adjusting link 44, a piston cylinder 45, and an elastic member 46. The connecting pins 45 are provided on the guide wheel mount 41 and the bogie base 42. One end of the adjusting link 44 is connected to the guide wheel mounting base 41. And the other end is connected to a bogie base 42. The two ends of the adjusting link 44 are connected to the guide wheel mounting base 41 and the bogie base 42 respectively through the connecting pin 43. One end of the piston cylinder 45 is connected with the guide wheel mounting base 41, and the other end is connected with the bogie base 42. The two ends of the piston cylinder 45 are respectively connected with the guide wheel mounting seat 41 and the bogie base 42 through connecting pins 43. The elastic element 46 is sleeved on the piston cylinder 45. Both ends of the elastic member 46 are in contact with the guide wheel mount 41 and the bogie base 42, respectively.
As shown in fig. 3, the number of the connecting pins 43 is four, and the connecting pins are a first connecting pin 431, a second connecting pin 432, a third connecting pin 433, and a fourth connecting pin 434. Wherein the first connecting pin 431 and the third connecting pin 433 are fixed to the guide wheel mounting seat 41, and the second connecting pin 432 and the fourth connecting pin 434 are fixed to the bogie base 42. The first, second, third and fourth connecting pins 431, 432, 433 and 434 are all cylindrical.
As shown in fig. 3, the adjusting link 44 is one. An adjusting link 44 is located above the piston cylinder 45. The left end of the adjustment link 46 has a first ball 471 and the right end of the adjustment link 46 has a second ball 472. It should be noted that, here, the left end is the negative direction of the X axis in the drawing, and the right end is the positive direction of the X axis in the drawing. The first ball 471 is pivotally sleeved on the first connecting pin 431. The second ball 472 pivotally fits over the second connecting pin 432. Thus, the adjusting link 46 can pivot relative to the first connecting pin 431 and the second connecting pin 432, that is, the adjusting link 46 can pivot relative to the guide wheel mounting seat 41 and the bogie base 42, thereby acting as a guide wheel pretension adjusting force.
A rubber material 475 is provided at a portion where the first ball 471 and the first connecting pin 431 are in contact with each other. A rubber material 475 is provided at a portion where the second ball 471 and the second coupling pin 431 are in contact with each other. Thereby, the adjustment link 44 can also be twisted in other directions with a small amplitude, thereby preventing the adjustment link 44 from being damaged.
As shown in fig. 3, the piston cylinder 45 is one. A piston cylinder 45 is located below the adjusting link 44. The piston cylinder 45 further comprises a cylinder body 451 and a piston rod 452, the piston rod 452 is sleeved in the cylinder body 451, and the piston rod 452 is relatively movable in the cylinder body 451.
the left end of the cylinder body 451 is provided with a third ball head 473, the third ball head 473 is sleeved on the third connecting pin 433, and the third connecting pin 433 is fixed on the guide wheel mounting base 41. A rubber material 475 is provided to a portion where the third ball head 473 and the third connecting pin 433 contact. Thereby, the cylinder body 451 is pivotable in the vertical direction about the third link pin 433 on the lateral vertical plane, and can be twisted with a small amplitude in the other direction, preventing the cylinder body 451 from being damaged. It should be noted that the transverse vertical plane is an XOZ plane in the drawings, and the vertical direction is a direction of a Z axis in the drawings.
The right end of the piston rod 452 is provided with a fourth ball head 474, the fourth ball head 474 is sleeved on the fourth connecting pin 434, and the fourth connecting pin 434 is fixed on the bogie base 42. The portion of the fourth ball 474 that contacts the fourth connecting pin 434 is also provided with a rubber material 475. Thereby, the piston rod 452 is pivotable in a transverse vertical plane in a vertical direction about the fourth connecting pin 434 and can be twisted with a small amplitude in the other direction, preventing the piston rod 452 from being damaged. It should be noted that the transverse vertical plane is an XOZ plane in the drawings, and the vertical direction is a direction of a Z axis in the drawings.
when the pretightening force of the guide wheel 3 needs to be adjusted during the running process of the railway vehicle, the elastic part 46 stretches or compresses, so that the cylinder body 451 and the piston rod 452 in the piston cylinder 45 are driven to move relatively. The elastic member 46 is stretched or compressed while causing the adjustment link 44 to pivot in the vertical direction. Therefore, the adjusting connecting rod 44, the piston cylinder 45 and the elastic piece 46 are matched with each other to adjust the pre-tightening force of the railway vehicle, and the transverse stability of the railway vehicle is guaranteed.
Other configurations and operations of the guide wheel pretension adjusting device 4 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. A leading wheel pretension adjustment device, comprising:
a guide wheel mounting seat;
A bogie base;
One end of the adjusting connecting rod is connected with the guide wheel mounting seat, and the other end of the adjusting connecting rod is connected with the bogie base;
One end of the piston cylinder is connected with the guide wheel mounting seat, and the other end of the piston cylinder is connected with the bogie base;
The elastic piece is sleeved on the piston cylinder.
2. The guide wheel pretension adjusting device according to claim 1, further comprising a plurality of connecting pins, wherein a part of the plurality of connecting pins is disposed on the guide wheel mounting seat, and another part of the plurality of connecting pins is disposed on the bogie base.
3. The guide wheel pretension adjusting device according to claim 1, wherein the number of the adjusting links is at least one.
4. The guide wheel pretension adjusting device according to claim 3, wherein the adjusting link is one.
5. The guide wheel pretension adjusting device according to claim 1, wherein the adjusting link has a ball at each end, the ball at one end of the adjusting link is pivotally connected to the bogie base, and the ball at the other end of the adjusting link is pivotally connected to the guide wheel mounting base.
6. The guide wheel pretensioning adjustment device according to claim 1, wherein there is at least one piston cylinder.
7. the guide wheel pretensioning adjustment device according to claim 6, wherein the piston cylinder is one.
8. The guide wheel pretensioning adjustment device according to claim 1, wherein the piston cylinder comprises:
The piston rod is sleeved in the cylinder body, and the piston rod can move relatively in the cylinder body; the piston rod and the cylinder body are arranged between the guide wheel mounting seat and the bogie base.
9. The guide wheel pretensioning force adjusting device according to claim 8, wherein the cylinder body is pivotally connected with the guide wheel mounting seat, the piston rod is pivotally connected with the bogie base, and the piston rod is slidably connected with the cylinder body;
or
The cylinder body with but pivot ground is connected between the bogie base, but the piston rod with but pivot ground is connected between the leading wheel mount pad, the piston rod with sliding connection between the cylinder body.
10. A bogie comprising a plurality of guide wheel pretensioning adjustment devices according to any of claims 1-9.
11. A rail vehicle adapted to run on a rail beam, characterized in that it comprises a bogie according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233859.5U CN209757114U (en) | 2019-02-25 | 2019-02-25 | Guide wheel pretightening force adjusting device, bogie and railway vehicle with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233859.5U CN209757114U (en) | 2019-02-25 | 2019-02-25 | Guide wheel pretightening force adjusting device, bogie and railway vehicle with same |
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|---|---|
| CN209757114U true CN209757114U (en) | 2019-12-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830124A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Guide wheel mounting seat, guide device with same and rail vehicle |
| CN113830126A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Guide wheel mounting seat, guide device with same and rail vehicle |
| CN113830125A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Guide wheel mounting seat, guide device with same and rail vehicle |
-
2019
- 2019-02-25 CN CN201920233859.5U patent/CN209757114U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830124A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Guide wheel mounting seat, guide device with same and rail vehicle |
| CN113830126A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Guide wheel mounting seat, guide device with same and rail vehicle |
| CN113830125A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Guide wheel mounting seat, guide device with same and rail vehicle |
| CN113830125B (en) * | 2020-06-24 | 2022-11-11 | 比亚迪股份有限公司 | Guide wheel mounting seat, guide device with same and rail vehicle |
| CN113830124B (en) * | 2020-06-24 | 2023-03-14 | 比亚迪股份有限公司 | Guide wheel mounting seat, guide device with same and rail vehicle |
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