Straight beam structure air suspension assembly for new energy heavy duty vehicle

Abstract

The straight beam structure air suspension assembly for the new energy heavy duty vehicle comprises a middle beam frame, installation pedals and damping gaskets, a transmission shaft is erected in the middle of the inner side of the middle beam frame, the installation pedals are erected at the two ends of the transmission shaft, and the damping gaskets for damping protection are installed on the outer sides of the joints of the installation pedals and the transmission shaft. And a right assembling base is erected at one end of the middle beam frame, a plurality of connecting holes are formed in the outer wall of the right assembling base, and an anti-skid groove is formed in the inner wall side of the right assembling base. When the straight beam structure air suspension assembly for the new energy heavy-duty vehicle is used, the vehicle frame keel and the air suspension assembly are connected and assembled through the straight beam structure design, and the requirements of subsequent users for separating, overhauling and additionally installing the vehicle frame keel and the air suspension assembly are met.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy heavy-duty vehicles, in particular to a straight beam structure air suspension assembly for new energy heavy-duty vehicles. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy heavy-duty vehicles, as a development fulcrum for new energy vehicles, can improve the pattern of modern heavy-duty vehicles using diesel and gasoline energy. The suspension assembly is a vital component of new energy heavy-duty vehicles, which can ensure that drivers of new energy heavy-duty vehicles can drive the vehicle comfortably.

[0003] The utility model discloses a structure of a rear air suspension base assembly based on a 10-meter full-load-bearing city bus (CN212827752U), including a small straight beam, an airbag seat, a cover plate, a shock absorber bracket and a stabilizer bar fixing sleeve, wherein the small straight beam is in the shape of a straight bar, two cover plates are provided, which are correspondingly installed at the upper and lower parts of the small straight beam near the rear end, the airbag seat includes a front airbag seat and a rear airbag seat, which are respectively installed at the front and rear ends of the small straight beam, and the connection surface of the front airbag seat and the rear airbag seat and the cover plate are located on the same side of the small straight beam; the shock absorber bracket is installed above the small straight beam, between the rear airbag seat and the cover plate, and close to the cover plate; the stabilizer bar fixing sleeve is fixedly connected below the rear airbag seat. The utility model optimizes and adjusts the overall design idea and the overall structural design, making the overall design structure more compact, simpler and more practical, and at the same time, the city bus with a full-load-bearing body air suspension structure also obtains higher handling performance and driving stability, and the manufacturing cost is low. However, during use, since the structure of the base assembly and the automobile keel are generally connected by welding, in the subsequent inspection and maintenance of the automobile, it is only possible to avoid contact with the part as much as possible. Some base assembly structures and automobile keels are broken due to some hard accidents, and the maintenance cost is extremely expensive, which brings troubles to users.

[0004] To this end, we propose a straight beam structure air suspension assembly for new energy heavy-duty vehicles. Utility Model Content

[0005] The purpose of the utility model is to provide a straight beam structure air suspension assembly for a new energy heavy-duty vehicle to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a straight beam structure air suspension assembly for a new energy heavy-duty vehicle, comprising a center beam frame, a mounting pedal and a shock-absorbing gasket, a transmission shaft is mounted on the inner middle part of the center beam frame, and mounting pedals are mounted on both ends of the transmission shaft, a shock-absorbing gasket for shock absorption protection is mounted on the outer side of the connection between the mounting pedal and the transmission shaft, and a layer of lower shock-absorbing gasket is attached to the lower end of the shock-absorbing gasket, a right mounting seat is mounted on one end of the center beam frame, and a plurality of connecting holes are opened on the outer wall of the right mounting seat, an anti-slip groove is opened on the inner wall side of the right mounting seat, and a pedestal connected to the frame keel is mounted in the middle part of the center beam frame, a left mounting seat is mounted on the side of the center beam frame away from the right mounting seat, and the left mounting seat and the right mounting seat form an I-shaped clamp.

[0007] Preferably, the outer walls of the lower shock-absorbing gasket and the shock-absorbing gasket are wrapped with clamping hoops, and both ends of the shock-absorbing gasket are bent inward to form bending holes.

[0008] Preferably, an outer wall of the bending hole on one side is movably connected with a movable mounting plate, and an outer wall of the bending hole on the other side is bolted with a fastening sleeve.

[0009] Preferably, the movable mounting plate contacts one side of the new energy heavy-duty vehicle compartment, and an air shock absorber is mounted on the fastening sleeve, and the top of the air shock absorber contacts the other side of the new energy heavy-duty vehicle compartment.

[0010] Preferably, a movable bearing is key-connected at the connection between the center beam frame and the transmission shaft.

[0011] Preferably, a connection hole and an anti-slip groove are also provided on one inner side of the left assembly seat, and the connection hole and the anti-slip groove on the left assembly seat cooperate with the connection hole and the anti-slip groove on the right assembly seat.

[0012] Preferably, the end of the transmission shaft is key-connected to a wheel frame for assembling the wheel hub of the new energy heavy-duty vehicle.

[0013] Compared with the prior art, the beneficial effect of the utility model is that when the straight beam structure air suspension assembly for the new energy heavy-duty vehicle is in use, the connection between the frame keel and the air suspension assembly is assembled by adopting a straight beam structure design, which also meets the needs of subsequent users for separation, maintenance and installation of the frame keel and the air suspension assembly. The entire left assembly seat and the right assembly seat form an I-shaped clamp, and the frame keel is penetrated through the inner wall of the I-shaped clamp. The frame keel and the I-shaped clamp are connected by a flange connection to ensure the connection strength of the frame keel and the I-shaped clamp.

[0014] The middle contact position of the shock-absorbing gasket and the lower shock-absorbing gasket is connected by welding to further ensure the connection strength of the connection and ensure the rationality and feasibility of the overall structure.

[0015] The entire shock-absorbing gasket, clamping hoop, movable mounting plate, fastening sleeve, bending hole, and lower shock-absorbing gasket form a complete shock-absorbing system, which performs shock-absorbing operations on the vibration source on the entire transmission shaft to ensure that the air suspension assembly can be effectively used. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the shock-absorbing gasket of the utility model;

[0018] Figure 3 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0019] In the figure: 1. middle beam frame; 11. right assembly seat; 12. connecting hole; 13. anti-skid groove; 14. bearing platform; 15. left assembly seat; 16. movable bearing; 2. transmission shaft; 3. mounting pedal; 4. shock-absorbing gasket; 41. clamping hoop; 42. movable mounting plate; 43. fastening sleeve; 44. bending hole; 45. lower shock-absorbing gasket; 5. wheel frame. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-3 The utility model provides a technical solution: a straight beam structure air suspension assembly for a new energy heavy-duty vehicle, comprising a center beam frame 1, a mounting pedal 3 and a shock-absorbing gasket 4, a transmission shaft 2 is mounted on the inner middle part of the center beam frame 1, and mounting pedals 3 are mounted on both ends of the transmission shaft 2, a shock-absorbing gasket 4 for shock absorption protection is mounted on the outer side of the connection between the mounting pedal 3 and the transmission shaft 2, and a layer of lower shock-absorbing gasket 45 is attached to the lower end of the shock-absorbing gasket 4, a right assembly seat 11 is mounted on one end of the center beam frame 1, and a plurality of connecting holes 12 are opened on the outer wall of the right assembly seat 11, an anti-slip groove 13 is opened on the inner wall side of the right assembly seat 11, and a pedestal 14 connected to the frame keel is mounted in the middle part of the center beam frame 1, a left assembly seat 15 is mounted on the side of the center beam frame 1 away from the right assembly seat 11, and the left assembly seat 15 and the right assembly seat 11 form an I-shaped clamp;

[0023] Example 2

[0024] See also Figure 1-3 The utility model provides a technical solution: an air suspension assembly with a straight beam structure for a new energy heavy-duty vehicle, wherein the end of a transmission shaft 2 is key-connected with a wheel frame 5 for assembling a wheel hub of a new energy heavy-duty vehicle, a clamping hoop 41 is wound around the outer walls of a lower shock-absorbing gasket 45 and the shock-absorbing gasket 4, and both ends of the shock-absorbing gasket 4 are bent inward to have bending holes 44, an outer wall of the bending hole 44 on one side is movably connected with a movable mounting plate 42, and an outer wall of the bending hole 44 on the other side is bolted with a fastening sleeve 43, the movable mounting plate 42 contacts one side of the new energy heavy-duty vehicle compartment, and an air shock absorber is mounted on the fastening sleeve 43, and the top of the air shock absorber contacts the other side of the new energy heavy-duty vehicle compartment, and the entire shock-absorbing gasket 4, the clamping hoop 41, the movable mounting plate 42, the fastening sleeve 43, the bending hole 44, and the lower shock-absorbing gasket 45 form a complete The complete shock absorbing system performs shock absorbing operation on the vibration source on the entire transmission shaft 2, so that the air suspension assembly can be effectively used. At the same time, the movable mounting plate 42 contacts one side of the new energy heavy-duty vehicle compartment. At the same time, an air shock absorber is mounted on the fastening sleeve 43, and the top of the air shock absorber contacts the other side of the new energy heavy-duty vehicle compartment. Through the effect of contact vibration absorption, the shock absorbing effect of the air suspension assembly is further improved. The shock absorbing gasket 4 and the lower shock absorbing gasket 45 use a clamping hoop 41 to further constrain the fitting parts to ensure that the shock absorbing gasket 4 and the lower shock absorbing gasket 45 can be used for a long time. At the same time, the middle contact position of the shock absorbing gasket 4 and the lower shock absorbing gasket 45 is connected by welding to further ensure the connection strength of the connection and ensure the rationality and feasibility of the overall structure.

[0025] Example 3

[0026] See also Figure 1-3The utility model provides a technical solution: a straight beam structure air suspension assembly for a new energy heavy-duty vehicle, a movable bearing 16 is keyed to the connection between the middle beam frame 1 and the transmission shaft 2, a connection hole 12 and an anti-skid groove 13 are also provided on the inner side of the left assembly seat 15, and the connection hole 12 and the anti-skid groove 13 on the left assembly seat 15 cooperate with the connection hole 12 and the anti-skid groove 13 on the right assembly seat 11, the entire left assembly seat 15 and the right assembly seat 11 form an I-shaped fixture, the inner wall of the I-shaped fixture is penetrated with a frame keel, in order to ensure the connection strength between the middle beam frame 1 and the frame keel, the left assembly seat 15 is provided with a connection hole 12 and an anti-skid groove 13 on the inner side of the left assembly seat 15. A connecting hole 12 and an anti-slip groove 13 are provided on the right assembly seat 11, and the frame keel and the I-shaped clamp are connected by a flange connection to ensure the connection strength of the frame keel and the I-shaped clamp. At the same time, a pedestal 14 is provided in the middle of the center beam frame 1. The surface of the pedestal 14 can carry and fix the end of the frame keel and play a certain pre-fixing role, which is convenient for the assembly workshop to connect the frame keel and the air suspension assembly. The connection between the frame keel and the air suspension assembly is assembled with a straight beam structure design, which also meets the needs of subsequent users for separation, maintenance and installation of the frame keel and the air suspension assembly.

[0027] Working principle: For this type of new energy heavy-duty vehicle with a straight beam structure air suspension assembly, first install the movable mounting plate 42 and the fastening sleeve 43 to the bending holes 44 at both ends of the shock-absorbing gasket 4, at this time, the movable mounting plate 42 contacts one side of the new energy heavy-duty vehicle compartment, and the air shock absorber is mounted on the fastening sleeve 43, and the top of the air shock absorber contacts the other side of the new energy heavy-duty vehicle compartment. Then the user aligns the end of the frame keel with the support 14 in the middle of the center beam frame 1, and the surface of the support 14 can be aligned with the frame keel. The left assembly seat 15 and the right assembly seat 11 form an I-shaped clamp, and the frame keel is penetrated into the inner wall of the I-shaped clamp. In order to ensure the connection strength between the center beam frame 1 and the frame keel, the left assembly seat 15 and the right assembly seat 11 are provided with a connecting hole 12 and an anti-skid groove 13. The frame keel and the I-shaped clamp are connected by a flange connection to ensure the connection strength between the frame keel and the I-shaped clamp. Finally, the user can assemble the automobile wheel hub to the wheel frame 5.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A straight beam structure air suspension assembly for a new energy heavy-duty vehicle, comprising a center beam frame (1), a mounting pedal (3) and a shock-absorbing gasket (4), characterized in that: A transmission shaft (2) is mounted on the middle part of the inner side of the center beam frame (1), and mounting pedals (3) are mounted on both ends of the transmission shaft (2); a shock-absorbing gasket (4) for shock absorption protection is mounted on the outer side of the connection between the mounting pedal (3) and the transmission shaft (2), and a lower shock-absorbing gasket (45) is attached to the lower end of the shock-absorbing gasket (4); a right assembly seat (11) is mounted on one end of the center beam frame (1), and a plurality of connection holes (12) are provided on the outer wall of the right assembly seat (11); an anti-slip groove (13) is provided on the inner wall side of the right assembly seat (11); a support platform (14) connected to the frame keel is mounted on the middle part of the center beam frame (1); a left assembly seat (15) is mounted on the side of the center beam frame (1) away from the right assembly seat (11), and the left assembly seat (15) and the right assembly seat (11) form an I-shaped clamp.

2. The straight beam structure air suspension assembly for a new energy heavy-duty vehicle according to claim 1 is characterized in that: The outer walls of the lower shock-absorbing gasket (45) and the shock-absorbing gasket (4) are wrapped with a clamping hoop (41), and both ends of the shock-absorbing gasket (4) are bent inward to form bending holes (44).

3. The straight beam structure air suspension assembly for a new energy heavy-duty vehicle according to claim 2 is characterized by: The outer wall of the bending hole (44) on one side is movably connected to a movable mounting plate (42), and the outer wall of the bending hole (44) on the other side is bolted with a fastening sleeve (43).

4. The straight beam structure air suspension assembly for a new energy heavy-duty vehicle according to claim 3 is characterized by: The movable mounting plate (42) contacts one side of the new energy heavy-duty vehicle compartment, and an air shock absorber is mounted on the fastening sleeve (43), and the top of the air shock absorber contacts the other side of the new energy heavy-duty vehicle compartment.

5. The straight beam structure air suspension assembly for new energy heavy-duty vehicles according to claim 1 is characterized by: A movable bearing (16) is key-connected at the connection point between the center beam frame (1) and the transmission shaft (2).

6. The straight beam structure air suspension assembly for a new energy heavy-duty vehicle according to claim 1 is characterized by: A connection hole (12) and an anti-skid groove (13) are also provided on one inner side of the left assembly seat (15), and the connection hole (12) and the anti-skid groove (13) on the left assembly seat (15) cooperate with the connection hole (12) and the anti-skid groove (13) on the right assembly seat (11).

7. The straight beam structure air suspension assembly for a new energy heavy-duty vehicle according to claim 1 is characterized by: The end of the transmission shaft (2) is key-connected to a wheel frame (5) for assembling the wheel hub of a new energy heavy-duty vehicle.

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