Air suspension for large and medium-sized road vehicle

Abstract

The utility model discloses an air suspension for a large and medium-sized road vehicle, which comprises a vehicle frame beam, the top of the vehicle frame beam is fixedly connected with a quick connection mechanism, one side of the vehicle frame beam is fixedly connected with four movable blocks, one sides of the two movable blocks at the top end are movably connected with an upper retainer, and one sides of the two movable blocks at the bottom end are movably connected with a lower retainer. Control rods are movably connected to the interiors of one ends of the upper holder and the lower holder respectively, control discs are fixedly connected to the opposite sides of the two control rods, wheels are fixedly connected to one sides of the control discs, a supporting movable frame is fixedly connected to the top of the lower holder, and a protection mechanism is fixedly connected to the top of the supporting movable frame; the air spring is movably connected in the protection mechanism. The air spring and the protection mechanism can be installed quickly and simply. In the vehicle production or maintenance process, the installation time and labor cost can be saved, and meanwhile the protection mechanism protects the air spring and prevents the air spring from being damaged by external factors.

Description

TECHNICAL FIELD

[0001] The utility model relates to air suspension technical field especially relates to a large and medium-sized highway vehicle air suspension. BACKGROUND

[0002] With the continuous progress of science and technology, air suspension is gradually applied to large and medium-sized highway vehicles, air suspension realizes buffering and shock absorption through air spring, can adjust air pressure according to the actual demand of vehicle, thereby changing the stiffness and height of suspension, and performs well in comfort, controllability and load adaptability, however, the current air suspension system still has some problems to be solved, on the one hand, as the core component, the installation process of air spring is relatively cumbersome, consumes a lot of manpower and time, and reduces work efficiency when vehicle is produced, maintained and maintained, on the other hand, air spring is easily affected by external factors during vehicle driving, such as stone impact, dust erosion, etc., the existing protection measures are often not perfect, and the probability of air spring damage is high, which not only increases the maintenance cost of vehicle, but also affects the normal operation of vehicle.

[0003] The existing device cannot protect air spring, so that its outer surface is exposed to external factors (such as stone impact, dust erosion, etc.) for a long time, which accelerates the wear and service life of air spring, and there is no clear fixing point when installing air spring, which needs to change the angle repeatedly, which is time-consuming and laborious. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a large and medium-sized highway vehicle air suspension.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A large and medium-sized highway vehicle air suspension, including frame beam, the top of frame beam is fixedly connected with quick connecting mechanism, one side of frame beam is fixedly connected with four movable blocks, the side of top two movable blocks is movably connected with upper retainer, the side of bottom two movable blocks is movably connected with lower retainer, and the inside of one end of upper retainer and lower retainer is movably connected with control rod.

[0007] As a further scheme of the utility model: the opposite side of two control rods is fixedly connected with control disc, one side of control disc is fixedly connected with wheel, the top of lower retainer is fixedly connected with support movable frame, the top of support movable frame is fixedly connected with protection mechanism, the inside of protection mechanism is movably connected with air spring, and the oblique upper side of protection mechanism is fixedly connected with quick connecting mechanism.

[0008] As a further scheme of the utility model: the quick connecting mechanism includes fixed clamping block, U-shaped plate, fixed limiting plate, connecting block and movable frame, and the U-shaped plate is movably connected to the top of the frame beam, and the two side inner walls of the U-shaped plate are fixedly connected to the two sides of the frame beam.

[0009] As a further scheme of the utility model: the fixed clamping block is fixedly connected to the top end inside the frame beam, and the fixed clamping block is fixedly connected to the bottom of the U-shaped plate, and the two side inner walls of the fixed clamping block are fixedly connected to the two sides of the U-shaped plate, the fixed limiting plate is fixedly connected to one side of the U-shaped plate, and the two side inner walls of the fixed limiting plate are provided with protrusions.

[0010] As a further scheme of the utility model: the connecting block is fixedly connected to one side of the U-shaped plate, and the connecting block is fixedly connected to the inside of the fixed limiting plate, and the two sides of the connecting block are provided with grooves corresponding to the protrusions of the two side inner walls of the fixed limiting plate, and the bottom end of the connecting block is fixedly connected to the top of the fixed clamping block, the movable frame is fixedly connected to the obliquely lower side of the connecting block, and the movable frame is fixedly connected to the obliquely upper side of the protection mechanism.

[0011] As a further scheme of the utility model: the protection mechanism includes small sleeve, large sleeve, supporting plate and sliding block, and the two supporting plates are fixedly connected to the obliquely lower side of the quick connecting mechanism and the obliquely upper side of the supporting movable frame respectively, and the air spring is fixedly connected to the opposite side of the two supporting plates.

[0012] As a further scheme of the utility model: the large sleeve is fixedly connected to the bottom of the top supporting plate, and the inside of the large sleeve is respectively provided with sliding grooves around, the small sleeve is fixedly connected to the top of the bottom supporting plate, and the small sleeve is movably connected to the inside of the large sleeve, the four sliding blocks are respectively fixedly connected to the four around of the small sleeve, and the sliding blocks are slidingly connected in the sliding grooves in the inside of the large sleeve.

[0013] As a further scheme of the utility model: the large sleeve is fixedly connected to the bottom of the top supporting plate, and the inside of the large sleeve is respectively provided with sliding grooves around, the small sleeve is fixedly connected to the top of the bottom supporting plate, and the small sleeve is movably connected to the inside of the supporting plate, the four sliding blocks are respectively fixedly connected to the four around of the small sleeve, and the sliding blocks are slidingly connected in the sliding grooves in the inside of the large sleeve.

[0014] Compared with the prior art, the utility model provides a large and medium-sized air suspension for highway vehicle, which has the following beneficial effects:

[0015] 1. The air suspension for large and medium-sized road vehicles is characterized in that the air spring and the protection mechanism are quickly installed in the vehicle through the quick connection mechanism and are fixed, the protection mechanism has self-adapting and telescoping capabilities and plays a role in externally protecting the air spring, so that the installation process of the air spring and the protection mechanism is quick and simple.

[0016] 2. The air suspension for large and medium-sized road vehicles is characterized in that the protection mechanism is fixed with the protection mechanism, the U-shaped plate is inserted into the top of the vehicle frame beam, the fixed limiting plate is fixed with the U-shaped plate at this time, the connecting block is inserted into the fixed limiting plate, the protrusions in the fixed limiting plate correspondingly clamp the grooves in the connecting block, quick docking is realized, and finally the fixed clamping block is installed, due to the structure of the fixed clamping block, the U-shaped plate, the vehicle frame beam and the connecting block can be fixed at the same time, so that the air spring is more convenient to maintain and replace, and there is a clear installation position and fixing point during installation, so that repeated angle adjustment and installation are avoided.

[0017] 3. The air suspension for large and medium-sized road vehicles is characterized in that the air spring is protected around by the small sleeve and the large sleeve, and there is enough space between the small sleeve and the air spring, which does not affect the normal telescoping work of the air spring, and the sliding block moves through the distance change between the two supporting plates, so that the small sleeve and the large sleeve can always protect the air spring, thereby preventing external factors from damaging the air spring, preventing dust and sand from eroding, reducing the wear of internal parts of the air spring, and prolonging the service life of the air spring.

[0018] The parts not involved in the device are the same as or can be realized by the prior art, the device has simple structure and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structural diagram of the air suspension for large and medium-sized road vehicles is provided.

[0020] Figure 2 A detail view of the air suspension for large and medium-sized road vehicles is provided.

[0021] Figure 3 A structural diagram of the quick connection mechanism of the air suspension for large and medium-sized road vehicles is provided.

[0022] Figure 4 A sectional view of the quick connection mechanism of the air suspension for large and medium-sized road vehicles is provided.

[0023] Figure 5The utility model provides a protection mechanism profile of large and medium-sized highway vehicle air suspension.

[0024] In the figure: 1, frame beam; 2, movable block; 3, quick -witted mechanism; 4, upper retainer; 5, wheel; 6, support movable frame; 7, air spring; 8, protection mechanism; 9, lower retainer; 10, control rod; 11, control disc; 301, fixed clamping block; 302, U-shaped plate; 303, fixed limiting plate; 304, connecting block; 305, movable frame; 801, small sleeve; 802, big sleeve; 803, support plate; 804, sliding block. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] In the description of the utility model, it is understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the 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 cannot be understood as a limitation on the utility model.

[0027] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, set, or it can be detachably connected, set, or integrally connected, set. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] A kind of large and medium-sized highway vehicle air suspension, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 It includes frame beam 1, the top of the frame beam 1 is fixedly connected with quick -witted mechanism 3, one side of frame beam 1 is fixedly connected with four movable blocks 2, top two movable blocks 2 one side is movably connected with upper retainer 4, bottom two movable blocks 2 one side is movably connected with lower retainer 9, upper retainer 4 and lower retainer 9 are movably connected with control rod 10 respectively one end inside.

[0029] The opposite side of the two control rods 10 is fixedly connected with a control disc 11, one side of the control disc 11 is fixedly connected with a wheel 5, the top of the lower holder 9 is fixedly connected with a supporting movable frame 6, the top of the supporting movable frame 6 is fixedly connected with a protection mechanism 8, the inside of the protection mechanism 8 is movably connected with an air spring 7, and the obliquely upper side of the protection mechanism 8 is fixedly connected with a quick connection mechanism 3.

[0030] In work, the air spring 7 and the protection mechanism 8 are quickly installed in the vehicle through the quick connection mechanism 3, and are fixed, the protection mechanism 8 has self-adapting telescopic capacity, and plays a role in externally protecting the air spring 7, so that the installation process of the air spring 7 and the protection mechanism 8 becomes quick and simple. In the vehicle production or maintenance process, the installation time and labor cost can be saved, and at the same time, the protection mechanism 8 protects the air spring 7 from being damaged by external factors.

[0031] In order to ensure that the air spring 7 and the protection mechanism 8 are quickly fixed, as shown in Figure 3 and Figure 4 , the quick connection mechanism 3 comprises a fixed clamping block 301, a U-shaped plate 302, a fixed limiting plate 303, a connecting block 304 and a movable frame 305, and the U-shaped plate 302 is movably connected to the top of the frame beam 1, and the inner walls on the two sides of the U-shaped plate 302 are fixedly connected to the two sides of the frame beam 1.

[0032] The fixed clamping block 301 is fixedly connected to the top end inside the frame beam 1, and the fixed clamping block 301 is fixedly connected to the bottom of the U-shaped plate 302, and the inner walls on the two sides of the fixed clamping block 301 are fixedly connected to the two sides of the U-shaped plate 302, the fixed limiting plate 303 is fixedly connected to one side of the U-shaped plate 302, and the inner walls on the two sides of the fixed limiting plate 303 are provided with protrusions.

[0033] The connecting block 304 is fixedly connected to one side of the U-shaped plate 302, and the connecting block 304 is fixedly connected to the inside of the fixed limiting plate 303, and the connecting block 304 is provided with grooves on the two sides, corresponding to the protrusions on the inner walls on the two sides of the fixed limiting plate 303, and the bottom end of the connecting block 304 is fixedly connected to the top of the fixed clamping block 301, and the movable frame 305 is fixedly connected to the obliquely lower side of the connecting block 304, and the movable frame 305 is fixedly connected to the obliquely upper side of the protection mechanism 8.

[0034] In work, the protection mechanism 8 is fixed through the connecting block 304 and the movable frame 305, the U-shaped plate 302 is inserted to the top of the frame beam 1, at this time the fixed limiting plate 303 is fixed with the U-shaped plate 302, the connecting block 304 is inserted into the inside of the fixed limiting plate 303, the protrusions in the inside of the fixed limiting plate 303 correspondingly clamp with the grooves of the connecting block 304, and quick docking is realized.

[0035] Finally install fixed block 301, due to the structure of fixed block 301, can play the role of fixing U-shaped plate 302, frame beam 1 and connecting block 304, thus, the air spring 7 is more convenient to maintain and replace, and has clear installation position and fixing point during installation, avoiding repeated debugging angle installation.

[0036] In order to ensure the external protection of air spring 7, as shown in Figure 5 The protection mechanism 8 includes a small sleeve 801, a large sleeve 802, a support plate 803 and a sliding block 804, and two support plates 803 are fixedly connected to the oblique lower side of the quick connecting mechanism 3 and the oblique upper side of the supporting movable frame 6 respectively, and the air spring 7 is fixedly connected to the opposite side of the two support plates 803.

[0037] The large sleeve 802 is fixedly connected to the bottom of the top support plate 803, and the inner four sides of the large sleeve 802 are respectively provided with sliding grooves, the small sleeve 801 is fixedly connected to the top of the bottom support plate 803, and the small sleeve 801 is movably connected to the inside of the large sleeve 802, four sliding blocks 804 are fixedly connected to the four sides of the small sleeve 801, and the sliding blocks 804 are slidably connected in the sliding grooves in the inside of the large sleeve 802.

[0038] When working, the air spring 7 is protected by the small sleeve 801 and the large sleeve 802, and there is enough space between the small sleeve 801 and the air spring 7, which does not affect the normal extension and contraction of the air spring 7, and the sliding blocks 804 move through the change of the distance between the two support plates 803, so that the small sleeve 801 and the large sleeve 802 can always protect the air spring 7, thereby preventing external factors from damaging the air spring 7, preventing dust and sand from eroding, reducing the wear of the internal parts of the air spring 7, and prolonging its service life.

[0039] Working principle: through the connection of connecting block 304 and movable frame 305, the protection mechanism 8 is fixed with protection mechanism 8, the U-shaped plate 302 is inserted into the top of the frame beam 1, at this time the fixed limiting plate 303 is fixed with the U-shaped plate 302, the connecting block 304 is inserted into the inside of the fixed limiting plate 303, the protrusions in the inside of the fixed limiting plate 303 are correspondingly clamped with the grooves in the connecting block 304, realizing quick butt joint, finally installing the fixed block 301, due to the structure of the fixed block 301, it can play the role of fixing the U-shaped plate 302, the frame beam 1 and the connecting block 304, thereby installing the air spring 7 and the protection mechanism 8 in the vehicle.

[0040] The air spring 7 is protected by the small sleeve 801 and the large sleeve 802, and there is enough space between the small sleeve 801 and the air spring 7, so that the normal extension and contraction of the air spring 7 is not affected, and the slider 804 moves through the distance change between the two supporting plates 803, so that the small sleeve 801 and the large sleeve 802 can always protect the air spring 7.

[0041] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A large and medium-sized on-highway vehicle air suspension comprising a vehicle frame beam (1), characterized in that, The top of the frame beam (1) is fixedly connected with a quick connecting mechanism (3), one side of the frame beam (1) is fixedly connected with four movable blocks (2), one side of the top two movable blocks (2) is movably connected with an upper retaining frame (4), one side of the bottom two movable blocks (2) is movably connected with a lower retaining frame (9), one end of the upper retaining frame (4) and the lower retaining frame (9) is movably connected with a control rod (10) respectively.

2. A large and medium-sized on-highway air suspension according to claim 1, characterized in that, The opposite side of the two control rods (10) is fixedly connected with a control disc (11), one side of the control disc (11) is fixedly connected with a wheel (5), the top of the lower retaining frame (9) is fixedly connected with a supporting movable frame (6), the top of the supporting movable frame (6) is fixedly connected with a protection mechanism (8), the inside of the protection mechanism (8) is movably connected with an air spring (7), and the obliquely upper side of the protection mechanism (8) is fixedly connected with the quick connecting mechanism (3).

3. A large and medium-sized on-highway air suspension according to claim 1, characterized in that, The quick connecting mechanism (3) comprises a fixed clamping block (301), a U-shaped plate (302), a fixed limiting plate (303), a connecting block (304) and a movable frame (305), and the U-shaped plate (302) is movably connected to the top of the frame beam (1), and the inner walls on the two sides of the U-shaped plate (302) are fixedly connected to the two sides of the frame beam (1).

4. A large and medium-sized on-highway air suspension according to claim 3, characterized in that, The fixed clamping block (301) is fixedly connected to the top end inside the frame beam (1), and the fixed clamping block (301) is fixedly connected to the bottom of the U-shaped plate (302), and the inner walls on the two sides of the fixed clamping block (301) are fixedly connected to the two sides of the U-shaped plate (302), the fixed limiting plate (303) is fixedly connected to one side of the U-shaped plate (302), and the inner walls of the fixed limiting plate (303) are provided with protrusions on the two sides.

5. A large and medium-sized on-highway air suspension according to claim 3, characterized in that, The connecting block (304) is fixedly connected to one side of the U-shaped plate (302), and the connecting block (304) is fixedly connected to the inside of the fixed limiting plate (303), and the connecting block (304) is provided with grooves on the two sides, which correspond to the protrusions on the inner walls of the two sides of the fixed limiting plate (303), and the bottom end of the connecting block (304) is fixedly connected to the top of the fixed clamping block (301), and the movable frame (305) is fixedly connected to the obliquely lower side of the connecting block (304), and the movable frame (305) is fixedly connected to the obliquely upper side of the protection mechanism (8).

6. A large and medium-sized on-highway air suspension according to claim 2, characterized in that, The protection mechanism (8) comprises a small sleeve (801), a large sleeve (802), a supporting plate (803) and a sliding block (804), and the two supporting plates (803) are fixedly connected to the obliquely lower side of the quick connecting mechanism (3) and the obliquely upper side of the supporting movable frame (6) respectively, and the air spring (7) is fixedly connected to the opposite sides of the two supporting plates (803).

7. A large and medium-sized on-highway air suspension according to claim 6, characterized in that, The large sleeve (802) is fixedly connected to the bottom of the top supporting plate (803), and the inside of the large sleeve (802) is provided with sliding grooves on the periphery, the small sleeve (801) is fixedly connected to the top of the bottom supporting plate (803), and the small sleeve (801) is movably connected to the inside of the supporting plate (803), four sliding blocks (804) are fixedly connected to the periphery of the small sleeve (801), and the sliding blocks (804) are slidingly connected in the sliding grooves in the inside of the large sleeve (802).

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