CN212796887U - Guiding device, rail vehicle with guiding device and rail transit system - Google Patents

Abstract

The utility model provides a guiding device, a rail vehicle with the guiding device and a rail transit system with the guiding device, wherein the guiding device comprises a plurality of guide wheels, a guide frame plate and a guide frame support; the plurality of guide wheels comprise a left guide wheel and a right guide wheel which are right and left; the guide frame support is positioned below the guide frame plate and connected with the guide frame plate; the guide frame support is arranged between the left guide wheel and the right guide wheel; the guide frame support comprises a left mounting plate and a right mounting plate, a left guide wheel is connected with the left mounting plate, and a right guide wheel is connected with the right mounting plate; in the left-right direction, the maximum width of the guide frame plate is smaller than the distance between the central axis of the left guide wheel and the central axis of the right guide wheel. The utility model provides a guider for the structure support of installation leading wheel has less width and weight, is favorable to arranging and rail vehicle's lightweight design of other parts.

Description

Guiding device, rail vehicle with guiding device and rail transit system

Technical Field

The utility model belongs to the rail transit field especially relates to a guider and have its rail vehicle and rail transit system.

Background

In the rail vehicle that current adoption leading wheel guided, the structural support for installing the leading wheel generally occupied great under-car space, is unfavorable for the arrangement of other parts, and this structural support still has great weight simultaneously, is unfavorable for rail vehicle's lightweight design.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a guider for rail vehicle when having guaranteed the installation intensity requirement of leading wheel for the structure support of installation leading wheel has less width and weight, is favorable to arranging and rail vehicle's lightweight design of other parts.

The utility model discloses a concrete technical scheme as follows:

a guide device for a rail vehicle adapted to run on a rail, comprising:

the guide wheels comprise a left guide wheel and a right guide wheel which are right opposite to each other;

the guide frame support is positioned below the guide frame plate and connected with the guide frame plate; the guide frame support is arranged between the left guide wheel and the right guide wheel; the guide frame support comprises a left mounting plate and a right mounting plate, the left guide wheel is connected with the left mounting plate, and the right guide wheel is connected with the right mounting plate;

in the left-right direction, the maximum width of the guide frame plate is smaller than the distance between the central axis of the left guide wheel and the central axis of the right guide wheel.

Through with the leading wheel install in the mode of the curb plate of leading truck support, guaranteed the installation intensity requirement of leading wheel, can with the leading truck support set up in between the left leading wheel with the right leading wheel and with the guide frame plate's minimum width sets up to be less than the central axis of left leading wheel with the distance between the central axis of right leading wheel makes the leading truck support with the guide frame plate has occupied less width in the left and right directions to can adopt less volume and weight, be favorable to the arrangement of other parts and the lightweight design of rail vehicle.

In addition, the guiding device according to the present invention may also have the following additional technical features.

In some examples of the invention, the guiding device further comprises a plurality of guide wheel shafts and a plurality of guide wheel mounting seats, each the guide wheel is provided with one by penetrating the guide wheel shaft, each the upper end of the guide wheel shaft is through one the guide wheel mounting seat with the left side mounting plate or the right side mounting plate of the guide frame support are connected, each the lower end of the guide wheel shaft is through one the guide wheel mounting seat with the left side mounting plate or the right side mounting plate of the guide frame support are connected. The upper end and the lower end of the guide wheel shaft are respectively provided with the mounting support, so that the mounting reliability between the guide wheel and the side plate of the guide frame support is further improved.

In some examples of the present invention, the number of the guide frame supports is two, two of the guide frame supports are respectively connected to the front end and the rear end of the guide frame plate, and the two guide frame supports are spaced from each other in the front-rear direction; the left guide wheel and the right guide wheel are two, every the left guide wheel is connected with one the left side mounting panel of leading truck support, every the right guide wheel is connected with one the right side mounting panel of leading truck support. Through setting up two the leading truck support realizes four the installation of leading wheel has guaranteed guider's the function of turning to steadily, simultaneously because two the interval sets up around the leading truck support, makes two leave partial space between the leading truck support, be favorable to the lightweight design of arranging and rail vehicle of other parts.

In some examples of the invention, the guiding device further comprises a slewing bearing comprising an inner ring bearing and an outer ring bearing that cooperate with each other; one of the inner ring support and the outer ring support is connected with the guide frame plate; the matching surface between the inner ring support and the outer ring support is a cylindrical surface, and the inner ring support and the outer ring support can rotate relatively around the axis of the matched cylindrical surface. In a railway vehicle, by connecting the other of the inner race support and the outer race support to a structure (e.g., an axle) located above the guide device, relative rotation between the guide device and the structure above the guide device can be achieved, and the degree of freedom of connection between the two is improved, thereby improving the steering performance of the guide device and the riding comfort of the railway vehicle.

In some examples of the invention, the guide frame plate is provided with a first mounting concave surface on an upper surface thereof, the first mounting concave surface being provided with a slewing bearing mounting portion, the slewing bearing passing through the slewing bearing mounting portion with the guide frame plate is connected. By arranging the first mounting concave surface to mount the slewing bearing, the area of the guide frame plate needing finish machining can be reduced, namely, the machining precision requirement is reduced, and therefore the machining cost is reduced.

In some examples of the present invention, a side plate flange is disposed on each of the left mounting plate and the right mounting plate near the center of the guide device, and the side plate flange is connected to the guide frame plate; the distance between the side plate flanging of the left side mounting plate and the side plate flanging of the right side mounting plate is gradually increased along the direction close to the center of the guide device. The two side plate flanges are splayed, so that stress points can be effectively transferred, the stress borne by the guide frame support is reduced, and the service life of the guide device is prolonged.

In some examples of the present invention, the guide frame support further comprises a reinforcing connecting plate; the left side mounting panel with right side mounting panel is the interval setting from left to right, and passes through the reinforced connection board is connected. Through with left side mounting panel with right side mounting panel interval sets up, make left side mounting panel with leave out partial space between the right side mounting panel, be favorable to the lightweight design of arranging and rail vehicle of other parts.

In some examples of the invention, the left side mounting plate or the right side mounting plate is provided with a second mounting concave surface, and the left side mounting plate or the right side mounting plate passes through the second mounting concave surface is installed the leading wheel. The guide wheel is installed by arranging the second installation concave surface, so that the area of the left side installation plate or the right side installation plate which needs finish machining can be reduced, namely, the machining precision requirement is reduced, and the machining cost is reduced.

The utility model also provides a rail vehicle is suitable for and goes on the track, include the utility model provides a guider.

The utility model also provides a rail transit system, which comprises a rail and a rail vehicle provided by the fundamental utility model, wherein the rail vehicle is suitable for running on the rail; the track includes two vertical rails that control the interval and set up, two vertical rails include relative medial surface respectively, the leading wheel with the medial surface cooperation of vertical rail.

Through with the leading wheel install in the mode of the curb plate of leading truck support, guaranteed the installation intensity requirement of leading wheel, can with the leading truck support set up in between the left leading wheel with the right leading wheel and with the minimum width of guide frame board sets up to be less than the central axis of left leading wheel with the distance between the central axis of right leading wheel makes the leading truck support with the guide frame board has taken up less width in the left and right directions to can adopt less volume and weight, be favorable to the arrangement of other parts in the rail vehicle and the lightweight design of rail vehicle.

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 rail transit system provided by an embodiment of the present invention.

Fig. 2 is a top view of a rail vehicle provided by an embodiment of the present invention.

Fig. 3 is a schematic view of a guiding device according to an embodiment of the present invention.

Fig. 4 is a schematic view of a guide frame plate and a guide frame support of the guide device provided by the embodiment of the present invention.

Fig. 5 is a top view of a guide frame plate of a guide device according to an embodiment of the present invention.

Fig. 6 is a side view of a guide frame plate and a guide frame support of the guide device according to the embodiment of the present invention.

Fig. 7 is a cross-sectional view taken along line a-a of fig. 6.

Reference numerals:

100. a guide device;

110. a guide wheel; 111. a left guide wheel; 112. a right guide wheel;

120. a guide frame plate; 121. a first mounting concavity; 121a, a slewing bearing mounting part; 121b, a steering rod mounting part; 121c, a slewing bearing fixing hole; 121d, a slewing bearing positioning hole; 121e, a steering pull rod fixing hole; 121f, a steering pull rod positioning hole; 121g, a steering pull rod dismounting hole; 122a, first lightening holes; 122b, second weight-reducing grooves; 122c, third lightening holes; 123. a bond wire mounting base;

130. a guide frame support; 130a, a second mounting concave surface; 130b, a guide wheel fixing hole; 130c, a fourth lightening hole; 131. a left mounting plate; 132. a right mounting plate; 133. reinforcing the connecting plate; 134. a shaft counting mounting seat; 135. flanging the side plate;

140. a guide wheel shaft;

150. a guide wheel mounting seat;

160. a slewing bearing; 161. an inner ring support; 162. an outer ring support;

200. a rail vehicle; 210. an axle; 220. a steering assembly; 221. a first steering linkage; 222. a second steering link; 223. a right steering arm; 224. a left steering arm;

300. a rail transit system; 310. a track; 311. a longitudinal rail.

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", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Wherein, xthe axial direction is the longitudinal direction,xthe positive direction of the axis is the front direction,xthe negative axis direction is back;ythe axial direction is a transverse direction,ythe positive direction of the axis is the left direction,ythe negative direction of the axis is right;zthe axial direction is vertical or vertical,zthe positive direction of the axis is upward,zthe axial negative direction is lower;xOythe plane is the horizontal plane, and the horizontal plane,xOzthe plane is the vertical plane in the longitudinal direction,yOzi.e. the transverse vertical plane. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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 inventor of the utility model finds, through research and analysis, that in the existing railway vehicle adopting guide wheels for guiding, the guide frame for installing the guide wheels generally covers most of the structures of the guide wheels in the vertical direction, namely most of the area of the projection of the guide wheels in the vertical direction is covered by the projection of the guide frame, thus occupying a larger space under the vehicle; meanwhile, the part of the guide frame far away from the connection part of the guide frame and the guide wheel, the axle and the like is stressed less, namely the support effect of the part of the guide frame is not large. To above-mentioned reason, the inventor improves guider, reachs the technical scheme of the utility model.

The following describes in detail the guide device 100, the rail vehicle 200 and the rail transit system 300 according to an embodiment of the present invention with reference to fig. 1 to 7. The rail transit system 300 includes a rail vehicle 200 and a rail 310, as shown in fig. 1-2, the rail vehicle 200 is adapted to run on the rail 310, and includes a vehicle body (not shown), an axle 210 and a guiding device 100, wherein the axle 210 is located below the vehicle body and connected to the vehicle body, and the guiding device 100 is located below the axle 210 and connected to the axle 210. In some embodiments, the axle 210 has a running wheel (not shown) at each end, the guiding device 100 includes a plurality of guiding wheels 110, and the plurality of guiding wheels 110 includes a left guiding wheel 111 and a right guiding wheel 112 (shown in the figure) facing left and rightyThe positive direction of the axis is the left direction,ythe negative axis direction is right), the track 310 comprises two longitudinal rails 311 arranged at left and right intervals, the two longitudinal rails 311 both comprise an upper surface and opposite inner side surfaces, wherein the upper surfaces of the walking wheels and the longitudinal rails 311 are matched to realize the driving and vertical supporting of the rail vehicle 200, and the inner side surfaces of the guide wheels 110 and the longitudinal rails 311 are matched to realize the driving guiding and the transverse stabilizing of the rail vehicle 200.

As shown in fig. 2 to 3, in some embodiments, the guiding device 100 further includes a guide frame plate 120 and a guide frame support 130, the guide frame support 130 is located below the guide frame plate 120 and connected to the guide frame plate 120, and the guide frame support 130 is disposed at the left sideGuide wheel 111 and right guide wheel 112. The guide frame support 130 includes a left mounting plate 131 and a right mounting plate 132, the left guide wheel 111 is connected to the left mounting plate 131, and the right guide wheel 112 is connected to the right mounting plate 132. In the left-right direction (i.e. in FIGS. 2-3)yAxial direction) of the guide frame plate 120 is smaller than the distance between the central axis of the left guide wheel 111 and the central axis of the right guide wheel 112.

By mounting the guide wheels 110 to the side plates of the guide frame support 130, that is, left and right instead of up and down, it is possible to set the guide frame support 130 between the left guide wheel 111 and the right guide wheel 112 and to set the minimum width of the guide frame plate 120 to be smaller than the distance between the central axis of the left guide wheel 111 and the central axis of the right guide wheel 112 while ensuring the mounting strength requirement of the guide wheels 110. Through the above arrangement, the guide frame support 130 and the guide frame plate 120 occupy smaller width in the left-right direction, and meanwhile, most structures of the guide frame support 130 and the guide frame plate 120 are closer to the connecting parts of the guide wheel 110, the axle 210 and the like, so that the partial structures with smaller stress and smaller supporting effect are reduced, the structural utilization rate is improved, the guide device 100 obtains smaller volume and weight, and the light-weight design of other components and the light-weight design of the rail vehicle 200 are facilitated.

As shown in FIGS. 2-3, in some embodiments, in the left-right direction (i.e., in FIGS. 2-3)yAxial direction), the leftmost end of the guide frame plate 120 is located on the right side of the central axis of the left guide wheel 111, and the rightmost end of the guide frame plate 120 is located on the left side of the central axis of the right guide wheel 112, so that the structure of the guide frame plate 120 is more compact, and the arrangement of other components and the light-weight design of the rail vehicle 200 are facilitated.

As shown in fig. 2 to 3, in some embodiments, the guide device 100 further includes a plurality of guide wheel shafts 140 and a plurality of guide wheel mounting seats 150, one guide wheel shaft 140 is inserted into each guide wheel 110, and the upper end of each guide wheel shaft 140 is connected to the left mounting plate 131 or the right mounting plate 132 of the guide frame support 130 through one guide wheel mounting seat 150 (in the drawings, the upper end of each guide wheel shaft 140 is connected to the left mounting plate 131 or the right mounting plate 132 of the guide frame support 130yThe positive direction of the axis is the left direction,ynegative axis direction is right), each guideThe lower end of the axle 140 is coupled to the left or right mounting plate 131, 132 of the guide frame bracket 130 by a guide wheel mount 150. By providing mounting supports at both the upper and lower ends of the guide axle 140, the reliability of the mounting between the guide wheel 110 and the side plate of the guide frame support 130 is further improved.

As shown in fig. 4 and 6, in some embodiments, there are two guide frame supports 130, two guide frame supports 130 are connected to the front end and the rear end of the guide frame plate 120, respectively, and the two guide frame supports 130 are spaced apart from each other in the front-rear direction; the left guide wheels 111 and the right guide wheels 112 are two, each left guide wheel 111 is connected to a left mounting plate 131 of one guide frame support 130, and each right guide wheel 112 is connected to a right mounting plate 132 of one guide frame support 130. Through setting up two leading truck supports 130, realize the installation of four leading wheels 110, guaranteed guider 100's stable function that turns to, simultaneously because two leading truck supports 130 back-and-forth interval sets up for leave out partial space between two leading truck supports 130, be favorable to the lightweight design of arranging and rail vehicle 200 of other parts.

As shown in fig. 3, in some embodiments, the guide device 100 further includes a slewing bearing 160, the slewing bearing 160 includes an inner race bearing 161 and an outer race bearing 162 that are engaged with each other, and one of the inner race bearing 161 and the outer race bearing 162 is connected to the guide frame plate 120. The mating surface between the inner ring bearing 161 and the outer ring bearing 162 is a cylindrical surface, and the inner ring bearing 161 and the outer ring bearing 162 can rotate relatively around the axis of the mating cylindrical surface. In the railway vehicle 200, by connecting the other of the inner race support 161 and the outer race support 162 to a structure (e.g., an axle 210) located above the guide device 100, relative rotation between the guide device 100 and the structure above the guide device can occur, and the degree of freedom of connection between the two is improved, thereby improving the steering performance of the guide device 100 and the ride comfort of the railway vehicle 200.

As shown in fig. 4 to 6, in some embodiments, the upper surface of the guide frame plate 120 is provided with a first mounting concave surface 121, the first mounting concave surface 121 is provided with a pivoting support mounting portion 121a, and the pivoting support 160 is connected with the guide frame plate 120 through the pivoting support mounting portion 121 a. By providing the first mounting concave surface 121 to mount the slewing bearing 160, the area of the guide frame plate 120 requiring finish machining can be reduced, i.e., the machining precision requirement is reduced, thereby reducing the machining cost. In some embodiments, the slewing bearing mounting portion 121a is located in the middle of the guide frame plate 120, and the slewing bearing 160 is mounted on the slewing bearing mounting portion 121a, so that the distance between each guide wheel 110 and the slewing bearing 160 is the same or approximately the same, which facilitates steering balance of the guide device 100.

As shown in fig. 4 to 5, in some embodiments, the first mounting concave surface 121 is further provided with a steering rod mounting portion 121b, and the steering rod mounting portion 121b can be used for mounting a steering rod, that is, the steering of the rail vehicle 200 is achieved by combining the guide device 100 and the steering rod, and the steering performance of the guide device 100 is improved. In some embodiments, the tie rod mounting portion 121b is located between the slewing bearing mounting portion 121a and the front end or the rear end of the guide frame plate 120 and is located on the left side or the right side of the slewing bearing mounting portion 121a, and one end of the tie rod is connected to the tie rod mounting portion 121b, and the other end of the tie rod is connected to the end of the axle 210 far away from the tie rod mounting portion 121b, so that the tie rod has a larger length, and the steering of the guide device 100 is smoother.

As shown in FIGS. 1-2, in some embodiments, the rail vehicle 200 further includes a steering assembly 220, the steering assembly 220 including a first steering linkage 221, a second steering linkage 222, a left steering arm 224, and a right steering arm 223. It should be noted that in the attached drawingsyThe positive direction of the axis is the left direction,ythe negative axis direction is right. The guide device 100 is hinged to one end of a first steering rod 221 through a steering rod mounting portion 121b, the other end of the first steering rod 221 is hinged to a right steering arm 223, the right steering arm 223 is hinged to one end of a second steering rod 222, the other end of the second steering rod 222 is hinged to a left steering arm 224, meanwhile, the right steering arm 223 is connected to running wheels at the right end of the axle 210, and the left steering arm 224 is connected to running wheels at the left end of the axle 210. When the rail vehicle 200 enters a curve of the track 310, the guide wheel 110 is steered by the track 310, thereby sequentially driving the guide frame plate 120, the first steering pull rod 221, the right steering arm 223, and the fourth steering arm 223The two steering rods 222 and the left steering arm 224 rotate to drive the traveling wheels to deflect, that is, the steering assembly 220 enables the traveling wheels to deflect along with the turning of the track 310, so that the sliding friction of the traveling wheels is reduced, and the service life of the traveling wheels is prolonged, and the steering performance of the railway vehicle 200 is improved.

As shown in fig. 5, in some embodiments, the slewing bearing mounting portion 121a is provided with a plurality of slewing bearing fixing holes 121c arranged at intervals in the circumferential direction, and the inner ring bearing 161 or the outer ring bearing 162 is bolted to the guide frame plate 120 through the slewing bearing fixing holes. In some embodiments, a pivot bearing positioning hole 121d is further formed on the pivot bearing mounting portion 121a to facilitate mounting and positioning of the pivot bearing 160.

As shown in fig. 5, in some embodiments, the tie rod mounting portion 121b is provided with a plurality of tie rod fixing holes 121e, and the first tie rod 221 is bolted to the guide frame plate 120 through the tie rod fixing holes 121 e. In some embodiments, the steering rod mounting portion 121b is further provided with a steering rod positioning hole 121f to facilitate mounting and positioning of the first steering rod 221. In some embodiments, the steering rod mounting portion 121b is further provided with a steering rod mounting hole 121g, so that a maintenance worker can conveniently insert a mounting tool and the like into the steering rod mounting hole 121g below the guide frame plate 120 for maintenance.

As shown in fig. 4 to 6, in some embodiments, the guide frame plate 120 is further provided with a bonding wire mounting seat 123, and the bonding wire mounting seat 123 is suitable for mounting a bonding wire to connect current which may be generated by the vehicle-mounted power supply device and then transmit the current to the rail 310, so as to ensure the normal operation of the rail vehicle 200.

3-4, in some embodiments, the guide frame support 130 further includes a reinforcing web 133, wherein the left mounting plate 131 and the right mounting plate 132 are spaced apart from each other and connected by the reinforcing web 133. By arranging the left mounting plate 131 and the right mounting plate 132 at intervals, a part of space is left between the left mounting plate 131 and the right mounting plate 132, which is beneficial to the arrangement of other components (for example, arranging parts such as axle counting and the like) and the light-weight design of the rail vehicle 200.

As shown in fig. 6 to 7, in some embodiments, the side plates 135 are disposed on the sides of the left and right mounting plates 131 and 132 close to the center of the guide device 100, and the side plates 135 are connected to the guide frame plate 120. The distance between the side plate flanges 135 of the left mounting plate 131 and the side plate flanges 135 of the right mounting plate 132 is gradually increased along the direction close to the center of the guide device 100, namely, the two side plate flanges 135 are splayed, the side plate flanges 135 of the structure can effectively transfer stress points, the stress borne by the guide frame support 130 is reduced, and the service life of the guide device 100 is prolonged.

As shown in fig. 4 and 6, in some embodiments, the left or right mounting plate 131 or 132 is provided with a second mounting concavity 130a, and the left or right mounting plate 131 or 132 mounts the guide wheel 110 through the second mounting concavity 130 a. By providing the second mounting concave surface 130a for mounting the guide wheel 110, the area of the left mounting plate 131 or the right mounting plate 132 requiring finish machining can be reduced, that is, the machining precision requirement is reduced, thereby reducing the machining cost. In some embodiments, the second concave mounting surface 130a is provided with a guide wheel fixing hole 130b, and the guide wheel mounting base 150 is bolted to the guide frame support 130 through the guide wheel fixing hole 130 b.

As shown in fig. 5 and 7, in some embodiments, the guide frame plate 120 and the guide frame holder 130 are provided with a plurality of weight-reducing structures, such as a first weight-reducing hole 122a provided at the slewing bearing mounting portion 121a, second weight-reducing grooves 122b provided at front and rear ends of the guide frame plate 120, a third weight-reducing hole 122c provided at the guide frame plate 120 between the first weight-reducing hole 122a and the second weight-reducing groove 122b, a fourth weight-reducing hole provided at the reinforcing connecting plate 133, and the like. On the premise of ensuring the connection strength of the guide frame plate 120 and the guide frame support, the partial structure with smaller stress and small support effect is further reduced, the structural utilization rate is improved, so that the guide device 100 obtains smaller volume and weight, and the light-weight design of the rail vehicle 200 is facilitated.

As shown in fig. 4, in some embodiments, the guide frame support 130 is further provided with an axle counting mount 134 adapted to mount an axle counting plate for ensuring accurate positioning of the rail vehicle 200 during entry.

According to the embodiment of the utility model provides a guider 100, rail vehicle 200 and rail transit system 300, through the mode of installing leading wheel 110 in the curb plate of leading frame support 130, the installation intensity requirement of leading wheel 110 has been guaranteed, can set up leading frame support 130 between left leading wheel 111 and right leading wheel 112 and set the minimum width of leading frame plate 120 to be less than the distance between the central axis of left leading wheel 111 and the central axis of right leading wheel 112, make leading frame support 130 and leading frame plate 120 occupy less width in the left and right directions, thereby can adopt less volume and weight, be favorable to arranging of other parts in rail vehicle 200 and the lightweight design of rail vehicle 200.

Other constructions and operations of the guide device 100, the rail vehicle 200, and the rail transit system 300 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 (10)

1. A guide device for a rail vehicle adapted to run on a rail, comprising:

the guide wheels comprise a left guide wheel and a right guide wheel which are right opposite to each other;

the guide frame support is positioned below the guide frame plate and connected with the guide frame plate; the guide frame support is arranged between the left guide wheel and the right guide wheel; the guide frame support comprises a left mounting plate and a right mounting plate, the left guide wheel is connected with the left mounting plate, and the right guide wheel is connected with the right mounting plate;

in the left-right direction, the maximum width of the guide frame plate is smaller than the distance between the central axis of the left guide wheel and the central axis of the right guide wheel.

2. The guide device according to claim 1, further comprising a plurality of guide wheel shafts and a plurality of guide wheel mounting seats, wherein one guide wheel shaft is arranged through each guide wheel, the upper end of each guide wheel shaft is connected with the left mounting plate or the right mounting plate of the guide frame support through one guide wheel mounting seat, and the lower end of each guide wheel shaft is connected with the left mounting plate or the right mounting plate of the guide frame support through one guide wheel mounting seat.

3. The guide device according to claim 1, wherein the number of the guide frame supports is two, the two guide frame supports are respectively connected with the front end and the rear end of the guide frame plate, and the two guide frame supports are arranged at intervals in the front-back direction; the left guide wheel and the right guide wheel are two, every the left guide wheel is connected with one the left side mounting panel of leading truck support, every the right guide wheel is connected with one the right side mounting panel of leading truck support.

4. The guide device of claim 1, further comprising a slewing bearing comprising an inner race bearing and an outer race bearing that mate with each other; one of the inner ring support and the outer ring support is connected with the guide frame plate;

the matching surface between the inner ring support and the outer ring support is a cylindrical surface, and the inner ring support and the outer ring support can rotate relatively around the axis of the matched cylindrical surface.

5. The guide assembly of claim 4, wherein the upper surface of the guide frame plate is provided with a first concave mounting surface, the first concave mounting surface being provided with a slewing bearing mounting portion through which the slewing bearing is coupled to the guide frame plate.

6. The guide device of claim 1, wherein the side of the left mounting plate and the side of the right mounting plate close to the center of the guide device are provided with side plate flanges, and the side plate flanges are connected with the guide frame plate;

the distance between the side plate flanging of the left side mounting plate and the side plate flanging of the right side mounting plate is gradually increased along the direction close to the center of the guide device.

7. The guide assembly of claim 1, wherein the guide frame mount further comprises a reinforcing web; the left side mounting panel with right side mounting panel is the interval setting from left to right, and passes through the reinforced connection board is connected.

8. The guide assembly of claim 7, wherein the left or right mounting plate is provided with a second concave mounting surface by which the guide wheel is mounted.

9. A rail vehicle adapted to run on a rail, comprising a guiding device according to any one of claims 1-8.

10. A rail transit system comprising a rail and a rail vehicle according to claim 9, the rail vehicle being adapted to travel on the rail; the track includes two vertical rails that control the interval and set up, two vertical rails include relative medial surface respectively, the leading wheel with the medial surface cooperation of vertical rail.

Images