Disclosure of Invention
The utility model aims to provide a car body bogie and a track inspection car, which can improve the vibration filtering capability of the car body bogie and enable the track inspection car to run stably.
Embodiments of the present utility model are implemented as follows:
in a first aspect, an embodiment of the present utility model provides a vehicle body bogie comprising a support frame, a wheel assembly, a side shock absorber, and a wheel swing arm; the support framework comprises two unilateral frameworks which are arranged at intervals, and a transverse connecting beam which connects the two unilateral frameworks; the unilateral framework comprises a middle structural member and cantilever connecting beams arranged on two sides of the middle structural member; the two cantilever connecting beams are arranged in parallel and perpendicular to the transverse connecting beams; the side shock absorbers are vertically arranged, and the upper ends of the side shock absorbers are connected with the cantilever connecting beams; the two sides of the middle structural member are provided with rotary connecting pieces; one end of the wheel swing arm is connected with the rotating connecting piece, and the other end of the wheel swing arm is connected with the lower end of the side shock absorber; the wheel assembly is disposed on the wheel swing arm.
As an alternative embodiment, the middle structural member is a U-shaped structural member, and the opening of the U-shaped structural member is upward; the transverse connecting beam is connected with the bottom ends of the two U-shaped structural members; the bottom of the U-shaped structural member and the upper part of the transverse connecting beam form an installation space.
As an alternative embodiment, a middle shock absorbing assembly is vertically arranged in the installation space, and the middle shock absorbing assembly comprises a plurality of shock absorbers with upper ends connected with the vehicle body and parallel and spaced.
As an alternative embodiment, the vehicle further comprises two wheel connecting shafts and a driving device; each wheel connecting shaft is respectively connected with two wheel assemblies positioned at two sides of the running direction of the bogie of the vehicle body; the driving device is arranged in the installation space, and the wheel connecting shaft is in transmission connection with the driving device through a transmission assembly.
As an alternative embodiment, the driving device is a driving motor; the transmission assembly comprises a first belt pulley arranged on the driving motor, a second belt pulley arranged in the middle of the wheel connecting shaft and a transmission belt connected with the first belt pulley and the second belt pulley.
As an alternative embodiment, the wheel assembly includes an axle housing disposed on the wheel swing arm, a rolling bearing disposed within the axle housing, and a railway wheel coupled to the rolling bearing.
As an alternative embodiment, the transverse connection beam is provided with a brake assembly for braking in contact with the rolling surface of the railway wheel.
As an alternative embodiment, the brake assembly comprises a telescopic rod arranged on the transverse connecting beam and having a telescopic direction corresponding to the rolling surface of the railway wheel, and a friction block arranged at the telescopic end of the telescopic rod.
In a second aspect, an embodiment of the present utility model provides a track inspection vehicle, including an inspection vehicle frame and two vehicle body bogies as described above, where the two vehicle body bogies are respectively disposed at two ends of the inspection vehicle frame in a running direction.
As an alternative embodiment, the bogie of the car body is provided with a traction mechanism connected with the inspection car frame.
The beneficial effects of the embodiment of the utility model include:
the embodiment of the utility model provides a car body bogie, which comprises a supporting framework, a wheel assembly, a side shock absorber and a wheel swing arm. The support frame of the present utility model includes a single-sided frame and a transverse connection beam. The utility model connects two unilateral frameworks through the transverse connecting beam, which is used for ensuring the rigidity of the whole bogie of the car body. According to the utility model, the cantilever connecting beams are arranged on two sides of the middle structural member, the wheel swing arm is arranged below the cantilever connecting beams, and the side shock absorbers are arranged at the end parts of the cantilever connecting beams and the wheel swing arm, so that the side shock absorbers can be vertically arranged, and the wheel swing arm has enough vibration filtering capability. Therefore, the vibration energy generated by the wheel assembly in the high-speed running process can be absorbed by the side shock absorbers, so that the vehicle body bogie can run stably.
The track inspection vehicle comprises the inspection vehicle frame and the two vehicle body bogies, and the two vehicle body bogies are arranged to enable the track inspection vehicle to stably run, ensure the stability of the track inspection vehicle in the steering process, greatly increase the carrying capacity of the track inspection vehicle and facilitate the track inspection vehicle to carry more detection equipment.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 2 and 3, an embodiment of the present utility model provides a vehicle body bogie including a support frame 100, a wheel assembly 101, a side shock absorber 102 and a wheel swing arm 103; the support frame 100 includes two spaced apart single side frames 104, and a transverse connecting beam 105 connecting the two single side frames 104; the single-side framework 104 comprises a middle structural member 106 and cantilever connecting beams 107 arranged on two sides of the middle structural member 106; two cantilever connection beams 107 are arranged in parallel and perpendicular to the transverse connection beam 105; the side shock absorbers 102 are vertically arranged, and the upper ends of the side shock absorbers are connected with cantilever connecting beams 107; the two sides of the middle structural member 106 are provided with rotary connecting pieces 108; one end of the wheel swing arm 103 is connected with the rotary connecting piece 108, and the other end is connected with the lower end of the side damper 102; the wheel assembly 101 is disposed on a wheel swing arm 103.
It should be noted that, the bogie provided by the embodiment of the present utility model is mainly suitable for track inspection vehicles, so the bogie includes two single-side frames 104 and a transverse connection beam 105. The structure of the vehicle body bogie can be simplified to some extent as compared with the conventional vehicle body bogie. The cantilever connection beam 107 of the embodiment of the utility model corresponds to the end of the wheel swing arm 103 in the vertical direction, so that the side damper 102 is convenient to vertically arrange. When the side damper 102 is disposed vertically, the wheel assembly 101 has a large kick space, and the side damper 102 can generate an effective damping effect inside the kick space. The wheel swing arm 103 is hinged to the middle structural member 106, and the axis direction of the hinge is a horizontal direction, that is, the rotation direction of the wheel swing arm 103 is an up-down direction. The side damper 102 includes a spring member and a damper rod.
An embodiment of the present utility model provides a vehicle body bogie comprising a support frame 100, a wheel assembly 101, a side shock absorber 102, and a wheel swing arm 103. The support frame 100 of the present utility model includes a single-sided frame 104 and transverse connection beams 105. The present utility model connects two single-sided frames 104 by a transverse connecting beam 105 for ensuring rigidity of the entire vehicle body bogie. According to the utility model, the cantilever connecting beams 107 are arranged on two sides of the middle structural member 106, the wheel swing arm 103 is arranged below the cantilever connecting beams 107, and the side shock absorbers 102 are arranged at the ends of the cantilever connecting beams 107 and the wheel swing arm 103, so that the side shock absorbers 102 can be vertically arranged, and the wheel swing arm 103 has enough vibration filtering capability. Accordingly, shock energy generated during high-speed operation of the wheel assembly 101 can be absorbed by the side shock absorbers 102, thereby enabling smooth operation of the vehicle body bogie.
Referring to fig. 1 and 2, as an alternative embodiment, the middle structural member 106 is a U-shaped structural member, and the opening of the U-shaped structural member is upward; the transverse connecting beam 105 is connected with the bottom ends of the two U-shaped structural members; the bottom of the U-shaped structure forms an installation space with the transverse connection beam 105. The embodiment of the utility model discloses a preferable middle structural member 106 setting mode, and the height of a cantilever connecting beam 107 in the vertical direction can be increased to a certain extent through the setting of a U-shaped structural member, so that the distance between a wheel swing arm 103 and the cantilever connecting beam 107 is increased, the arrangement of a side shock absorber 102 with a longer length in the vertical direction is facilitated, the effective working stroke of the side shock absorber 102 is increased, and the bogie of a car body is better protected from vibration filtering. It should be noted that, in the embodiment of the present utility model, a larger installation space can be formed by the U-shaped structural member and the transverse connection beam 105, and the center of gravity of the bogie of the vehicle body can be lowered to a certain extent by arranging the transverse connection beam 105 at the bottom end of the U-shaped structural member, so that the bogie of the vehicle body can stably run on the track.
Referring to fig. 1 and 2, as an alternative embodiment, a central damper assembly 109 is vertically disposed in the installation space, and the central damper assembly 109 includes a plurality of dampers having upper ends connected to the vehicle body and spaced in parallel. Because the U-shaped structural member is arranged to enable the installation space to be longer in the vertical direction, the embodiment of the utility model can vertically arrange the longer middle damping assembly 109 in the installation space. The embodiment of the utility model can further enhance the shock absorption and buffering capacity and the load carrying capacity of the bogie of the car body through the arrangement of the longer middle shock absorption assembly 109. It should be noted that, middle damper 109 and side damper parallel arrangement, because cantilever tie-beam 107 is close to the upper end setting of U type structure for middle damper 109 and side damper can overlap the setting in vertical direction, avoid the high of automobile body bogie to increase, are favorable to making the reduction of track inspection car frame height, make the track inspection car can steady operation in the operation process.
It should be noted that, the truck body bogie according to the embodiment of the present utility model can increase the lengths of the side damper 102 and the middle damper 109, that is, increase the telescopic working stroke of the side damper 102 and the middle damper 109, and avoid increasing the height of the truck body bogie, so that the truck body bogie of the track inspection truck has a relatively high damping and buffering capacity while the height is relatively low, and ensures that the track inspection truck can stably run on the track.
The middle damper assembly 109 may be 2 dampers arranged vertically, or 3 dampers arranged vertically, and may be set by those skilled in the art according to the need, which is not limited herein.
Referring to fig. 1 and 3, as an alternative embodiment, two wheel connecting shafts 110 and a driving device 111 are further included; each wheel connecting shaft 110 is connected to two wheel assemblies 101 located on both sides of the vehicle body bogie running direction, respectively; the driving device 111 is disposed in the installation space, and the wheel connecting shaft 110 is in driving connection with the driving device 111 through the driving assembly 112. Further, the driving device 111 is installed in the installation space of the bogie of the car body, wherein the transmission device can drive the wheel assembly 101 by transmitting the power of the driving device 111 to the wheel connecting shaft 110. According to the embodiment of the utility model, the driving device 111 is arranged to enable the bogie of the car body to have driving capability, so that the track inspection car can control the running speed on the track.
Referring to fig. 1 and 3, as an alternative embodiment, the driving device 111 is a driving motor; the transmission assembly 112 includes a first pulley 113 provided on the driving motor, a second pulley 114 provided at the middle of the wheel connecting shaft 110, and a transmission belt 115 connected to the first pulley 113 and the second pulley 114. In the embodiment of the utility model, the driving device 111 is set as a driving motor, and the first belt pulley 113 and the second belt pulley 114 are connected through the transmission belt 115 to realize power transmission. It should be noted that the driving motor is convenient to control, and is suitable for unmanned and automatic track inspection vehicles.
Referring to fig. 1 and 2, as an alternative embodiment, the wheel assembly 101 includes an axle housing 116 provided on the wheel swing arm 103, a rotational bearing provided within the axle housing 116, and a rail wheel 117 connected to the rotational bearing. The embodiment of the utility model provides the axle housing 116 on the wheel swing arm 103 so that the rail wheel 117 can be connected with the rotating bearing inside the axle housing 116, thereby facilitating the high-speed rotation of the rail wheel 117.
Referring to fig. 1, an auxiliary damper 121 is provided between the axle housing 116 and the cantilever connection beam 107.
As an alternative embodiment, the transverse connection beam 105 is provided with a brake assembly for braking in contact with the rolling surface of the rail wheel 117. According to the embodiment of the utility model, the brake component is arranged on the bogie of the car body, the rotation of the rail wheels 117 can be stopped and braked through the arrangement of the brake component, and when the running speed of the bogie of the car body is too high, the speed of the bogie of the car body can be controlled through the brake component. Therefore, by combining the driving device 111, the embodiment of the utility model enables the track inspection vehicle to have strong acceleration and deceleration capabilities while having steering capability through the arrangement of the brake assembly, and can greatly improve the maneuverability of the track inspection vehicle.
As an alternative embodiment, the brake assembly includes a telescopic rod 118 provided on the lateral connecting beam 105 and having a telescopic direction corresponding to the rolling surface of the rail wheel 117, and a friction block 119 provided at a telescopic end of the telescopic rod 118. The embodiment of the utility model provides a specific arrangement mode of the brake assembly, and the brake of the wheel assembly 101 can be realized through the arrangement of the telescopic rod 118 and the friction block 119. Illustratively, the telescoping rod 118 may be a telescoping cylinder or a telescoping motor. The specific manner in which the telescoping rod 118 is disposed may be as desired by one skilled in the art, and is not particularly limited herein.
The embodiment of the utility model also provides a track inspection vehicle, which comprises an inspection vehicle frame and two vehicle body bogies, wherein the two vehicle body bogies are respectively arranged at two ends of the inspection vehicle frame in the running direction.
The track inspection vehicle comprises the inspection vehicle frame and the two vehicle body bogies, and the two vehicle body bogies are arranged to enable the track inspection vehicle to stably run, ensure the stability of the track inspection vehicle in the steering process, greatly increase the carrying capacity of the track inspection vehicle and facilitate the track inspection vehicle to carry more detection equipment.
Referring to fig. 2, further, a traction mechanism 120 connected to the inspection frame is provided on the vehicle body bogie. Through the setting of traction mechanism 120, can make to patrol and examine frame and automobile body bogie stable connection for the track patrol and examine the car and possess the traction capability.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.