Trolley bus frame and trolley bus

Abstract

The embodiment of the invention provides a trolley bus frame and a trolley bus, and the trolley bus frame comprises an upper frame body and a lower frame body, the upper frame body comprises an outer frame and an inner frame, the inner frame is connected to the inner side of the outer frame, the inner frame is used for being connected with an inner windshield, and the outer frame is used for being connected with an outer windshield; the outer frame is formed by connecting section bars extending along the length direction of a vehicle; a lower frame body; the base is connected to the bottom of the upper frame body; the upper hinge device is connected between the top of the upper frame body and the vehicle body; and the lower hinge device is connected between the bottom of the lower frame body and the vehicle body. According to the trolley bus frame and the trolley bus provided by the embodiment of the invention, the inner windshield and the outer windshield are assembled, and the outer frame is formed by connecting the profiles extending along the bus length, so that the self weight of the frame can be reduced, the lightweight design is realized, and the effect of improving the traction efficiency is achieved.

Description

Technical Field

[0001] The present application relates to the technology of trolleybuses, and in particular to a trolleybus frame and a trolleybus. Background Art

[0002] With the annual growth of the automobile ownership in major cities, the phenomenon of traffic congestion has become increasingly serious. Therefore, taking public transportation has become the preferred travel mode advocated by people. Public transportation includes subways, light rails, buses, trolleybuses, etc. Among them, trolleybuses have been put into application in many cities due to their environmental protection, large passenger capacity, relatively easy construction of infrastructure, and low construction cost.

[0003] A trolleybus mainly includes a car body and a running system, and the running system is used to realize the functions of running and steering. The running system is usually arranged under the car body. Due to the complex structure and relatively high height of the traditional running system, the height of the car body floor is raised, resulting in a relatively high center of gravity of the car body and poor stability. Moreover, a trolleybus includes at least two car bodies. During the driving process of the trolleybus on urban roads, there are many curves and the turning radius is relatively small. During the turning process, there are problems such as poor stability and large vibration.

[0004] In addition, the frames of most trolleybuses are integrally welded by steel beams, which have a large weight and poor structural processability. In addition, the existing frame structures cannot meet the installation requirements of both the inner windshield and the outer windshield at the same time. Summary of the Invention

[0005] In order to solve one of the above technical defects, a trolleybus frame and a trolleybus are provided in the embodiments of the present application.

[0006] According to the first aspect of the embodiments of the present application, a trolleybus frame is provided, including:

[0007] An upper frame body; the upper frame body includes an outer frame and an inner frame, the inner frame is connected to the inner side of the outer frame, the inner frame is used to be connected to the inner windshield, and the outer frame is used to be connected to the outer windshield; the outer frame is connected by profiles extending along the vehicle length;

[0008] A lower frame body; connected to the bottom of the upper frame body;

[0009] An upper hinge device, connected between the top of the upper frame body and the vehicle body;

[0010] A lower hinge device, connected between the bottom of the lower frame body and the vehicle body.

[0011] According to the second aspect of the embodiments of the present application, a trolleybus is provided, including: the trolleybus frame as described above.

[0012] In the technical solution provided by the embodiment of the present application, the top of the upper frame body is connected to the vehicle body through an upper hinge device, and the bottom of the lower frame body is connected to the vehicle body through a lower hinge device. The upper frame body and the lower frame body can be independently manufactured and then connected together. The upper frame body includes an outer frame and an inner frame. The inner frame is connected to the inner side of the outer frame. The inner frame is used to be connected to the inner windshield, and the outer frame is used to be connected to the outer windshield, realizing the assembly of the inner and outer windshields. Moreover, the outer frame is formed by connecting profiles extending along the vehicle length, which can reduce the weight of the frame itself, achieve lightweight design, and achieve the effect of improving the traction efficiency. Description of the Drawings

[0013] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0014] Figure 1 is a schematic structural diagram of a trolleybus provided by an embodiment of the present application;

[0015] Figure 2 is a schematic structural diagram of the connection between the frame of the trolleybus and the windshield provided by an embodiment of the present application;

[0016] Figure 3 is a schematic structural diagram of the frame of the trolleybus provided by an embodiment of the present application;

[0017] Figure 4 is a schematic structural diagram of the upper frame body in the frame of the trolleybus provided by an embodiment of the present application;

[0018] Figure 5 is a schematic structural diagram of the lower frame body in the frame of the trolleybus provided by an embodiment of the present application;

[0019] Figure 6 is Figure 5 an enlarged view of area A in;

[0020] Figure 7 is a front view of the frame of the trolleybus provided by an embodiment of the present application;

[0021] Figure 8 is a side view of the frame of the trolleybus provided by an embodiment of the present application;

[0022] Figure 9 is a bottom view of the frame of the trolleybus provided by an embodiment of the present application;

[0023] Figure 10 is a top view of the frame of the trolleybus provided by an embodiment of the present application;

[0024] Figure 11 is a schematic structural diagram of the upper hinge device in the frame of the trolleybus provided by an embodiment of the present application;

[0025] Figure 12 Schematic diagram of the structure of the lower hinge device in the trolleybus frame provided by the embodiment of the present application;

[0026] Figure 13 Schematic diagram of the structure of the running system of the trolleybus provided by the embodiment of the present application;

[0027] Figure 14 Partial schematic diagram of the structure in the running system of the trolleybus provided by the embodiment of the present application;

[0028] Figure 15 Front view of the partial structure in the running system of the trolleybus provided by the embodiment of the present application;

[0029] Figure 16 Left view of the partial structure in the running system of the trolleybus provided by the embodiment of the present application;

[0030] Figure 17 Bottom view of the connection between the partial structure in the running system of the trolleybus and the frame provided by the embodiment of the present application.

[0031] Reference numerals:

[0032] 100 - Carriage; 200 - Frame; 300 - Running system;

[0033] 1 - Upper frame body; 11 - Outer frame; 111 - Top plate; 112 - Side plate; 113 - Middle plate; 114 - Bottom plate; 12 - Inner frame; 13 - Bent part; 14 - Side beam; 15 - C-shaped groove; 16 - Suspension interface; 17 - First interface;

[0034] 2 - Lower frame body; 21 - Lower frame main body; 22 - Vertical plate; 23 - First lower hinge hole; 24 - Second lower hinge hole; 25 - Second interface; 26 - Third interface; 27 - Vertical shock absorber interface;

[0035] 3 - Upper hinge device; 31 - Upper hinge main body; 311 - Upper hinge frame; 312 - Upper hinge beam; 313 - Upper hinge part; 32 - Upper hinge disc; 321 - Triangular frame body; 33 - Upper hinge seat; 34 - Upper hinge rod; 35 - Vehicle body connecting part;

[0036] 4 - Lower hinge device; 41 - Lower hinge disc; 42 - Lower hinge rod;

[0037] 5 - Outer windshield;

[0038] 6 - Inner windshield;

[0039] 71 - Wheel; 72 - Buffer device; 73 - Upper fork arm; 731 - Upper frame connection part; 74 - Lower fork arm; 741 - Lower frame connection part; 75 - Pin shaft; 761 - Steering motor; 762 - Steering push rod; 763 - Steering arm; 77 - Vertical shock absorber; 78 - Anti - roll torsion bar. Detailed implementation manner

[0040] In order to make the technical solutions and advantages in the embodiments of the present application clearer and more understandable, the following further elaborates on the exemplary embodiments of the present application with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than an exhaustive list of all embodiments. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0041] This embodiment provides a trolleybus frame, which is arranged at the end of the carriage, especially between two adjacent carriages. Figure 1 Exemplarily, a trolleybus is shown, including three carriages 100. The carriage 100 at the end is provided with a driver's cab. The two carriages 100 are connected by a frame 200, and a running system 300 is provided at the bottom of the frame 200.

[0042] As Figure 2 and Figure 3 shown in the figure, the frame includes: an upper frame body 1, a lower frame body 2, an upper hinge device 3 and a lower hinge device 4. Among them, the upper frame body 1 and the lower frame body 2 are independently manufactured and then connected together. The upper hinge device 3 is connected between the top of the upper frame body 1 and the vehicle body, and the lower hinge device 4 is connected between the bottom of the upper frame body 1 and the vehicle body.

[0043] The upper frame body 1 includes an outer frame 11 and an inner frame 12. The inner frame 12 is connected to the inner side of the outer frame 11. The inner frame 12 is used to connect with the inner windshield 6, and the outer frame 11 is used to connect with the outer windshield 5. The outer frame 11 is connected by profiles extending along the vehicle length, such as light - weight structural profiles like aluminum profiles, which can reduce the weight of the frame itself and achieve lightweight design.

[0044] In the technical solution provided by this embodiment, the top of the upper frame body is connected to the vehicle body through the upper hinge device, the bottom of the lower frame body is connected to the vehicle body through the lower hinge device, and the upper frame body and the lower frame body can be independently manufactured and then connected together. The upper frame body includes an outer frame and an inner frame. The inner frame is connected to the inner side of the outer frame. The inner frame is used to connect with the inner windshield, and the outer frame is used to connect with the outer windshield, realizing the assembly of the inner and outer windshields. Moreover, the outer frame is connected by profiles extending along the vehicle length, which can reduce the weight of the frame itself and achieve lightweight design, achieving the effect of improving the traction efficiency.

[0045] Based on the above - mentioned technical solution, this embodiment provides a specific implementation manner of the frame:

[0046] AsFigures 4 to 10 As shown, the outer frame 11 includes: a top plate 111, side plates 112, middle plates 113, and a bottom plate 114. Among them, the top plate 111 extends in the vehicle width direction, and the top plate 111 is of a profile structure, and the profile itself extends in the vehicle length direction. The two side plates 112 extend in the vehicle height direction, and the top ends of the two side plates 112 are respectively connected to both ends of the top plate 111. The side plates 112 are also of a profile structure, and the profile itself extends in the vehicle length direction.

[0047] The middle plates 113 extend in the vehicle width direction, are located inside the side plates 112, and one ends of the two middle plates 113 are respectively correspondingly connected to the bottom ends of the side plates 112. The bottom plate 114 extends in the vehicle height direction, and the top end of the bottom plate 114 is connected to the end of the middle plate 113 away from the side plate 112. Each middle plate 113 is connected to a bottom plate 114, and the distance between the two bottom plates 114 is less than the distance between the two side plates 112.

[0048] The bottom end of the inner frame 12 is connected to the top end of the bottom plate 114; the inner frame 12 is also connected to the top plate 111 and the side plates 112 respectively through bending members 13. The width of the inner frame 12 is less than the width of the outer frame 11. One end of the bending member 13 is connected to the outer frame 11, and the other end extends outward to be connected to the inner frame 12.

[0049] The above-mentioned top plate 111, side plates 112, middle plates 113, and bottom plate 114 can all be aluminum profiles, and the bending member 13 is a round aluminum tube, which has a relatively light self-weight.

[0050] The outer windshield 5 is connected to the outer frame 11, and the lower end of the outer windshield 5 ends at the position of the middle plate 113, leaving an installation space for the running system below the middle plate 113. The inner windshield 6 is installed on the inner frame 12 and extends from the top end to the bottom end of the inner frame 12.

[0051] Furthermore, a side beam 14 is connected to the profile cross-sections of the top plate 111, side plates 112, middle plates 113, and bottom plate 114 to seal the profile cross-sections. The side beam 14 can be a rectangular tubular beam, specifically an aluminum alloy beam.

[0052] The top surface of the top plate 111 is provided with an interface for connecting to the upper hinge device 3. One implementation is: this interface is a C-shaped groove 15. The middle plate 113 is provided with a suspension interface 16 for connecting to the suspension device in the trolleybus running system. In this embodiment, this suspension interface 16 is a positioning hole. The bottom plate 114 is provided with a first interface 17 for connecting to the running system frame.

[0053] The lower frame body 2 can be formed by connecting aluminum alloy profiles or can be formed by casting aluminum alloy. The lower frame body 2 is welded to the upper frame body 1. Specifically, the lower frame body 2 includes a lower frame main body 21 and vertical plates 22. The vertical plates 22 are arranged on both sides of the lower frame main body 21. On the front side and the rear side of the lower frame main body 21, there are interfaces for connecting to the lower hinge device 4, specifically, a plurality of first lower hinge holes 23. On the left and right sides of the lower frame main body 21, there are interfaces for connecting to the lower hinge device 4, specifically, a plurality of second lower hinge holes 24.

[0054] Furthermore, on the bottom surface of the lower frame main body 21, there is a second interface 25 for connecting to the frame in the trolleybus running system and a third interface 26 for connecting to the anti-roll torsion bar in the running system.

[0055] Furthermore, on the side surface of the lower frame main body 21, there is also a vertical shock absorber interface 27 for connecting to the vertical shock absorber in the running system.

[0056] Based on the above technical solution, this embodiment also provides an implementation manner of the upper hinge device 3. As Figure 11 shown, the upper hinge device 3 includes: an upper hinge main body 31, an upper hinge disc 32, an upper hinge seat 33, and an upper hinge rod 34.

[0057] Among them, the upper hinge main body 31 is connected to the top end of the upper frame body 1, specifically, connected to the top plate 111. The upper hinge main body 31 is relatively fixed to the upper frame body 1. One implementation manner is that the upper hinge main body 31 includes: an upper hinge frame 311, an upper hinge beam 312, and an upper hinge piece 313. Among them, the upper hinge frame 311 is a rectangular frame, and at least two upper hinge beams 312 are arranged side by side inside the upper hinge frame 311. The upper hinge piece 313 is welded to the opposite two frame edges of the upper hinge frame 311 and the bottom of the upper hinge beam 312. Bolt holes are opened on the upper hinge piece 313 and are connected to the sliders in the C-shaped groove 15 at the bottom of the upper frame body 1 to realize the connection between the upper hinge main body 31 and the upper frame body 1.

[0058] One end of the upper hinge disc 32 is connected to one side of the upper hinge main body 31, and the other end is connected to a vehicle body. The upper hinge disc 32 includes two relatively rotatable triangular frame bodies 321. The two triangular frame bodies 321 are hinged at one vertex. One of the triangular frame bodies 321 is connected to the upper hinge main body 31 by bolts, and the other triangular frame body 321 is connected to the top of a vehicle body. The relative rotation of the two triangular frame bodies 321 in the upper hinge disc 32 can enable the trolleybus to pass through curves smoothly.

[0059] The upper hinge seat 33 is of a triangular structure and is connected to one side of the upper hinge body 31 that is away from the upper hinge disc 32. One end of the upper hinge rod 34 is hinged to the upper hinge seat 33, and the other end is hinged to the vehicle body connecting piece 35 and is connected to another vehicle body through the vehicle body connecting piece 35. The upper hinge rod 34 can rotate relative to the hinge seat 33 and can also rotate relative to the vehicle body connecting piece 35, which can meet the requirements for a trolleybus to pass through a curve.

[0060] Furthermore, the upper hinge rod 34 is a damping rod, which can further slow down the relative movement between the frame and the adjacent vehicle body, thereby improving the curve passing performance and driving safety.

[0061] Based on the above technical solutions, this embodiment also provides an implementation manner of the lower hinge device 4: As Figure 12 shown, the lower hinge device 4 includes: a lower hinge disc 41 and a lower hinge rod 42.

[0062] Among them, one end of the lower hinge disc 41 is connected to the lower frame body 2, and the other end is used to be connected to the vehicle body. The implementation manner of the lower hinge disc 41 is similar to the above-mentioned upper hinge disc 32 and is formed by hinging two triangular frames, and the two triangular frames can rotate horizontally relative to each other. One of the triangular frames is connected to the lower frame body 2, specifically by bolts passing through the first lower hinge hole 23 on the lower frame body 2 for fixation. The other triangular frame is connected to the end of the vehicle body.

[0063] Both sides of the lower frame body 2 are connected to the vehicle body through the lower hinge disc 41, so that relative rotation can occur between the frame and the adjacent two vehicle bodies.

[0064] One end of the lower hinge rod 42 is connected to the lower frame body 2, specifically by bolts connected to the second lower hinge hole 24 on the lower frame body 2. The other end of the lower hinge rod 42 is connected to the vehicle body. The number of the lower hinge rods 42 is four, which are respectively connected to the four top corners of the lower frame body 2. It is equivalent that each side of the bottom of the frame is connected to the vehicle body through the lower hinge device disc 41 and two lower hinge rods 42.

[0065] The lower hinge rod 42 can specifically be a damping rod, which can also limit the relative displacement between the vehicle body and the frame to improve the curve passing performance of the trolleybus and improve the driving stability and safety.

[0066] Based on the above technical solutions, this embodiment also provides a trolleybus, including the frame provided in any of the above contents.

[0067] Based on the above technical solutions, this embodiment also provides a running system, which is arranged below the trolleybus frame.

[0068] As Figures 13 to 16As shown in the figure, the running system provided in this embodiment includes: two wheels 71, a fork arm group, and a buffer device 72. Among them, the wheels 71 are rubber wheels and can run on the road surface.

[0069] The number of fork arm groups is two. One fork arm group is connected to one wheel 71. A space for accommodating the frame 200 is left between the two fork arm groups, so that the two frames 200 can extend downward to the area between the two wheels, realizing the reduction of the carriage height. The fork arm group is correspondingly connected to the frame 200.

[0070] The buffer device 72 is arranged between the top of the fork arm group and the frame 200, and is used for buffering the vertical force between the frame 200 and the running system, thereby reducing the vibration of the frame and the vehicle body and improving the riding comfort.

[0071] In the above technical solution, the running system is provided with two wheels, each wheel is connected to a fork arm group, and a space for accommodating the trolleybus frame is left between the two fork arm groups; the fork arm group is connected to the frame, so that the bottom end of the frame can be further lowered to the area between the wheels of the running system, thereby reducing the height of the carriage floor, lowering the center of gravity of the carriage, and improving the stability; and a buffer device is arranged between the top of the fork arm group and the frame, which can buffer the vibration between the frame and the running system to slow down the vibration of the carriage, thereby improving the riding comfort.

[0072] On the basis of the above technical solution, this embodiment provides an implementation manner of the fork arm group. The fork arm group includes an upper fork arm 73, a lower fork arm 74, and a pin shaft 75. Among them, the lower fork arm 74 is located below the upper fork arm 73, and the lower fork arm 74 is connected to the upper fork arm 73 through a vertical pin shaft 75. The buffer device 72 is connected to the top of the upper fork arm 73, and the upper fork arm 73 is also connected to the frame 200. The lower fork arm 74 is connected to the wheel 71 on the one hand and the frame 200 on the other hand.

[0073] A specific implementation manner: The upper fork arm 73 includes an upper fork arm main body, and the buffer device 72 is connected to the top of the upper fork arm main body. The upper fork arm main body extends in the direction towards the other fork arm group to form an upper frame connection portion 731 for connecting to the frame. An installation hole is provided in the upper frame connection portion 731, and an elastic node is arranged in the installation hole to buffer the rigid force between the frame 200 and the upper fork arm 73. Specifically, the upper frame connection portion 731 is connected to the first interface 17 of the lower plate 114 in the frame.

[0074] One implementation is as follows: The lower swing arm 74 includes a lower swing arm body, which is a triangular frame. One vertex angle thereof is connected to the pin shaft 75 and the wheel 71, and the other two vertex angles extend towards the direction of another swing arm group to form a lower frame connection part 741 for connecting to the frame 200. An installation hole is provided in the lower frame connection part 741, and an elastic node is arranged in the installation hole to buffer the rigid force between the frame 200 and the lower swing arm 74. Specifically, the lower frame connection part 741 is connected to the second interface 25 at the bottom of the lower frame body 2 in the frame.

[0075] In the above solution, the upper swing arm 73 and the lower swing arm 74 are respectively connected to the frame 200, so that there is no rigid connection between the wheels 71 on the left and right sides, which can better adapt to complex road surfaces. And the upper swing arm 73 and the lower swing arm 74 can be vertically suspended during the operation of the trolleybus to keep the wheels aligned.

[0076] As Figure 17 shown, the lower swing arm 74 extends into the bottom of the frame 200 and is connected to the frame 200 through two lower frame connection parts 741, specifically connected to the corresponding second interface 25.

[0077] The upper swing arm 73, the lower swing arm 74 and the pin shaft 75 can be made of steel materials, and the three components can be welded together or connected together by other means.

[0078] One implementation is as follows: Two buffer devices 72 are arranged in one swing arm group, and the two buffer devices 72 are arranged along the vehicle length direction. It is equivalent to using two buffer devices 72 to support and buffer on one side of the trolleybus frame, which can improve the buffering effect and further reduce the vibration of the frame and the carriage. The buffer device 72 is an air spring, the top of the air spring is connected to the frame 200, and the bottom is connected to the upper swing arm 73. Specifically, the top of the air spring is connected to the suspension interface 16 of the middle plate 113 in the frame.

[0079] Furthermore, a steering device is adopted, which is respectively connected to the wheel rims of the two wheels and is used to push the wheels to deflect to achieve curve driving. The steering device includes a steering motor 761, a steering push rod 762, and a steering arm 763. The steering push rod 762 is connected between the steering arm 763 and the steering motor 761, and the steering arm 763 is connected to the wheel rim of the wheel 71. The steering motor 761 can be fixed at the bottom of the frame 200 or connected between the two lower swing arms 74.

[0080] The steering motor 761 drives the two steering push rods 762 to move left or right, and pushes the wheel 71 to deflect through the steering arm 763.

[0081] In the above solution, the lower swing arm 74, the steering push rod 762 and the steering arm 763 form a parallelogram structure, which can keep the correct deflection angle of the wheels during the driving of the tram.

[0082] In addition, a braking device is also provided on the wheel for applying a braking force to the wheel tyre.

[0083] Furthermore, a vertical shock absorber 77 is adopted and connected between the lower swing arm 74 and the frame 200 for further buffering the vertical force between the frame 200 and the running gear. The bottom end of the vertical shock absorber 77 is connected to the lower swing arm 74, and the top end is connected to the vertical shock absorber interface 27 on the lower frame body 21 in the frame.

[0084] Furthermore, an anti-roll bar 78 is also adopted and connected between the lower swing arms 74 of the two swing arm groups and is connected to the frame 200. Specifically, the anti-roll bar 78 extends along the vehicle width direction, and its two ends are respectively connected to the lower swing arms 74 on both sides. The middle part of the anti-roll bar 78 is also connected to the bottom of the frame 200 to transfer the force on one side of the vehicle to the other side to help reduce the body roll, enabling the vehicle to adapt to the undulating road surface, thereby improving the stability and curve passing performance of the vehicle.

[0085] Specifically, the middle part of the anti-roll bar 78 is connected to the third interface 26 at the bottom of the lower frame body 2.

[0086] Adopting the above solution, compared with the traditional bogie of the rail vehicle, the solution provided in this embodiment can reduce the number of axles, simplify the structure, reduce the weight, and also reduce the manufacturing and maintenance costs. Adopting the solution of connecting the upper swing arm and the lower swing arm to the frame can better adapt to passing through small-radius curves, thereby improving the curve passing performance of the trolleybus.

[0087] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0088] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0089] In this application, unless otherwise clearly defined or limited, terms such as "installed", "connected", "joined", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or capable of communicating with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal connection of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0090] Although the preferred embodiments of this application have been described, those skilled in the art can make additional changes and modifications to these embodiments once they know the basic creative concept. Therefore, the appended claims are intended to be construed as including the preferred embodiments as well as all changes and modifications falling within the scope of this application.

[0091] Obviously, those skilled in the art can make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalent technologies, this application is also intended to include these modifications and variations.

Claims

1. A trolleybus frame, characterized in that: include: The upper frame includes an outer frame and an inner frame, the inner frame is connected to the inner side of the outer frame, the inner frame is used to connect with the inner windshield, and the outer frame is used to connect with the outer windshield; the outer frame is formed by connecting the profiles extending along the length of the vehicle; Lower frame body; Connected to the bottom of the upper frame; An upper hinge device connected between the top of the upper frame and the vehicle body; The lower hinge device is connected between the bottom of the lower frame and the vehicle body.

2. The trolleybus frame according to claim 1, characterized in that: The frame includes: Top plate, side plates, middle plate and bottom plate; The top plate extends in the vehicle width direction, and the top ends of the two side plates are connected to the two ends of the top plate respectively; the middle plate extends in the vehicle width direction, and one end thereof is connected to the bottom end of the side plate; the top end of the lower plate is connected to the other end of the middle plate; the distance between the two lower plates is smaller than the distance between the two side plates; The bottom end of the inner frame is connected to the top end of the lower plate; the inner frame is also connected to the top plate and the side plate respectively through bent pieces.

3. The trolleybus frame according to claim 2, characterized in that: The top plate, side plates, middle plate and lower plate are all made of aluminum profiles, and the bent parts are round aluminum tubes.

4. The trolleybus frame according to claim 3, characterized in that: The outer frame also includes side beams connected to the profile sections of the top plate, side plates, middle plate and lower plate.

5. The trolleybus frame according to claim 2, characterized in that: The middle plate is provided with a suspension interface for connecting with a suspension device in the trolleybus running system; The lower plate is provided with a first interface for connecting with the running system frame.

6. The trolleybus frame according to claim 1, characterized in that: The bottom surface of the lower frame is provided with a second interface for connecting with the frame in the running system of the trolley bus and a third interface for connecting with the anti-rolling torsion bar in the running system.

7. The trolleybus frame according to claim 1, characterized in that: The upper articulation device comprises: An upper hinged body connected to the top of the upper frame body; An upper hinge plate, one end of which is connected to one side of the upper hinge body and the other end of which is used to be connected to a vehicle body; an upper hinge seat connected to the other side of the upper hinge body; An upper hinge rod has one end connected to an upper hinge seat, and the other end connected to another vehicle body through a vehicle body connecting seat.

8. The trolleybus frame according to claim 7, characterized in that: The upper articulated body comprises: upper hinged frame; Upper hinged beam; at least two upper hinged beams are arranged side by side in the upper hinged frame; The upper hinge is arranged at two opposite frame edges of the upper hinge frame and the bottom of the upper hinge beam; a bolt hole is arranged on the upper hinge and connected with a slide block in a C-shaped groove at the bottom of the upper frame body.

9. The trolleybus frame according to claim 1, characterized in that: The lower articulation device includes: A lower articulated plate, one end of which is connected to the lower frame and the other end is used to connect to the vehicle body; both sides of the lower frame are connected to the vehicle body through the lower articulated plate; A lower hinged rod has one end connected to the lower frame body and the other end used to be connected to the vehicle body; there are four lower hinged rods, which are respectively connected to the four top corners of the lower frame body.

10. A trolleybus, characterized in that: include: A trolleybus frame as claimed in any one of claims 1 to 9.

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