CN216733807U

CN216733807U - Trailer axle capable of adjusting height of frame based on air suspension

Info

Publication number: CN216733807U
Application number: CN202123343242.5U
Authority: CN
Inventors: 梁建伟; 张辉; 何维松
Original assignee: Suzhou Huachi Auto Parts Co ltd
Current assignee: Suzhou Huachi Auto Parts Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-14
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a trailer axletree based on air suspension adjusts frame height, concretely relates to trailer frame technical field, including the axletree body, axletree body both ends all are provided with the mounting panel, the axletree body outside is provided with the lag, be provided with the bearing between mounting panel and the lag, the lag outside is provided with adjustment mechanism, adjustment mechanism includes the supporting shoe, the supporting shoe sets up at the lag top, the supporting shoe top is provided with the fixed plate, the fixed plate top is provided with the pneumatic cylinder. The utility model discloses a set up adjustment mechanism, can highly adjust the frame, rock when the trailer and can cushion the shock attenuation through air damper when great, prevent that the epaxial part of axletree from damaging, reduce the frame height and can prevent that the frame focus is too high on some rugged road surfaces, lead to the frame unstability, improve the security of trailer, can change the epaxial adjustment mechanism of axletree simultaneously, it is simple convenient that the maintenance is changed.

Description

Trailer axle capable of adjusting height of frame based on air suspension

Technical Field

The utility model relates to a trailer frame technical field, more specifically say, the utility model relates to a trailer axletree based on air suspension adjusts frame height.

Background

A trailer refers to a vehicle that is towed by a car without power drive per se. A combination of a car (truck or tractor, forklift) and one or more trailers. The truck and the tractor are driving sections of the automobile train and are called as main trains. The driven joint pulled by the master vehicle is called a trailer, and the axle is a shaft for transmitting power between a main speed reducer (differential) and driving wheels, and is more solid. The inner end of the differential is connected with a half axle gear of the differential, the outer end of the differential is connected with a driving wheel hub, and the axle on the trailer is generally different from the normal automobile axle in mounting position and different in gravity center position.

Trailer axletree generally all installs in the trailer bottom, but the distance between trailer axletree generally and the trailer frame is fixed, in the actual driving process, can touch comparatively rugged road surface, and fixed can lead to the frame to rock apart from between axletree and the frame this time, and the stability of axletree and frame reduces.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a trailer axletree based on air suspension adjusts frame height, through setting up adjustment mechanism, can adjust frame height, can rock when the trailer and can cushion the shock attenuation through air shock absorber when great, prevent that the epaxial part of car from damaging, it can prevent that frame focus is too high on some rugged road surfaces to reduce frame height, lead to the frame unstability, improve the security of trailer, can change the epaxial adjustment mechanism of axletree simultaneously, it is simple convenient to maintain and change, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a trailer axle capable of adjusting the height of a frame based on air suspension comprises an axle body, wherein mounting plates are arranged at two ends of the axle body, a protective sleeve is arranged on the outer side of the axle body, a bearing is arranged between the mounting plates and the protective sleeve, and an adjusting mechanism is arranged on the outer side of the protective sleeve;

the adjusting mechanism comprises a supporting block, the supporting block is arranged at the top of the protective sleeve, a fixed plate is arranged at the top of the supporting block, a hydraulic cylinder is arranged at the top of the fixed plate, baffles are arranged on two sides of the hydraulic cylinder, the baffles are arranged at the top of the fixed plate, a movable plate is arranged at the top of the hydraulic cylinder, and an air damper is arranged at the top of the movable plate;

the fixed plate bottom is provided with the backup pad, backup pad one side is provided with the connecting plate, the connecting plate top is provided with the lantern ring.

In a preferred embodiment, the front side surface of the support plate is provided with a first threaded hole, a bolt is arranged in the first threaded hole, and the outer side surface of the protective sleeve is provided with a second threaded hole.

In a preferred embodiment, the bolt is disposed inside the second threaded hole, and the first threaded hole and the second threaded hole are both in threaded connection with the bolt.

In a preferred embodiment, the number of the baffle plates and the number of the support plates are both set to be plural, the number of the connecting plates is set to be two, and the cross-sectional shape of the collar is set to be arc-shaped.

In a preferred embodiment, the bottom of the sleeve ring is provided with a positioning clamping plate, and the top surface of the protective sleeve is provided with a positioning clamping groove.

In a preferred embodiment, the positioning clamping plate is movably clamped with the positioning clamping groove, and the positioning clamping plate is made of carbon steel material.

The utility model discloses a technological effect and advantage:

1. by arranging the adjusting mechanism, the hydraulic cylinder is opened, then the hydraulic cylinder can extend to enable the movable plate and the air damper to move upwards, the air damper can provide good damping effect for the trailer, meanwhile, the hydraulic cylinder can be contracted to drive the trailer to move downwards integrally, so that the gravity center of the whole frame is reduced, the descending movable plate can be effectively supported through the baffle plate, the stability of the movable plate is improved, parts are prevented from being damaged, the compression resistance of the fixed plate is improved through the supporting plate and the supporting block, the bolt can be screwed out from the second threaded hole and the first threaded hole through the rotating bolt, so that the whole adjusting mechanism can be replaced, compared with the prior art, the height of the frame can be adjusted, when the trailer shakes greatly, the air damper can buffer and damp, the damage of the parts on the axle is prevented, the height of the frame is reduced, and the gravity center of the frame on some rugged roads can be prevented from being too high, the frame is unstable, the safety of the trailer is improved, and meanwhile, the adjusting mechanism on the axle can be replaced, so that the maintenance and the replacement are simple and convenient;

2. when the installation, through the positioning clamping plate with lantern ring bottom aim at the positioning clamping groove of lag top surface, will fix a position the cardboard card afterwards and go into positioning clamping groove to form the location when changing adjustment mechanism, can make first screw hole direct alignment second screw hole simultaneously, do not need the manual work to align further to improve and change the installation rate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the adjusting mechanism of the present invention.

Fig. 3 is a schematic view of the structure of fig. 2 with a partial side cross-sectional view.

Fig. 4 is an enlarged schematic structural diagram of a in fig. 3 according to the present invention.

The reference signs are: 1. an axle body; 2. mounting a plate; 3. a protective sleeve; 4. a bearing; 5. a supporting block; 6. a fixing plate; 7. a hydraulic cylinder; 8. a baffle plate; 9. moving the plate; 10. an air damper; 11. a support plate; 12. a connecting plate; 13. a collar; 14. a first threaded hole; 15. a bolt; 16. a second threaded hole; 17. positioning a clamping plate; 18. and a positioning clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The trailer axle capable of adjusting the height of the frame based on the air suspension comprises an axle body 1, mounting plates 2 are arranged at two ends of the axle body 1, a protecting sleeve 3 is arranged on the outer side of the axle body 1, a bearing 4 is arranged between the mounting plates 2 and the protecting sleeve 3, and an adjusting mechanism is arranged on the outer side of the protecting sleeve 3;

the adjusting mechanism comprises a supporting block 5, the supporting block 5 is arranged at the top of the protective sleeve 3, a fixed plate 6 is arranged at the top of the supporting block 5, a hydraulic cylinder 7 is arranged at the top of the fixed plate 6, baffles 8 are arranged on two sides of the hydraulic cylinder 7 respectively, the baffles 8 are arranged at the top of the fixed plate 6, a moving plate 9 is arranged at the top of the hydraulic cylinder 7, and an air shock absorber 10 is arranged at the top of the moving plate 9;

the bottom of the fixing plate 6 is provided with a supporting plate 11, one side of the supporting plate 11 is provided with a connecting plate 12, and the top of the connecting plate 12 is provided with a lantern ring 13.

As shown in fig. 1 to 4, a first threaded hole 14 is formed in the front side surface of the support plate 11, a bolt 15 is arranged inside the first threaded hole 14, a second threaded hole 16 is formed in the outer side surface of the protective sleeve 3, the bolt 15 is arranged inside the second threaded hole 16, and both the first threaded hole 14 and the second threaded hole 16 are in threaded connection with the bolt 15, so that the adjusting mechanism can be detached, the mounting efficiency is improved, and the detachment is simpler and more convenient.

As shown in fig. 1 to 3, the number of the baffle plates 8 and the number of the support plates 11 are set to be a plurality, the number of the connecting plates 12 is set to be two, the cross section of the lantern ring 13 is set to be arc-shaped, so that the stability of the moving plate 9 is improved, and meanwhile, the arc-shaped lantern ring 13 can be attached to the protecting sleeve 3 more tightly, so that the installation stability is improved.

As shown in fig. 2 and 3, a positioning clamping plate 17 is arranged at the bottom of the lantern ring 13, a positioning clamping groove 18 is arranged on the top surface of the protective sleeve 3, the positioning clamping plate 17 is movably clamped with the positioning clamping groove 18, the positioning clamping plate 17 is made of carbon steel, and the positioning clamping plate 17 is inserted into the positioning clamping groove 18 to form automatic positioning, so that the first threaded hole 14 and the second threaded hole 16 are not manually aligned, and the efficiency of replacing, installing and adjusting the mechanism is improved.

The utility model discloses the theory of operation: when the utility model is adjusted, the hydraulic cylinder 7 at the top of the fixed plate 6 is opened, then the hydraulic cylinder 7 is extended to drive the movable plate 9 at the top of the hydraulic cylinder 7 to move upwards, so that the air damper 10 at the top of the movable plate 9 moves upwards, meanwhile, the trailer can be provided with good damping effect through the air damper 10, when the trailer shakes greatly, the air damper 10 can buffer and damp, the damage of parts on the axle is prevented, meanwhile, the whole trailer can be driven to move downwards through the contraction of the hydraulic cylinder 7, thereby reducing the gravity center of the whole frame, preventing the instability of the frame caused by the overhigh gravity center of the frame on some rugged road surfaces, improving the safety of the trailer, effectively supporting the descending movable plate 9 through the baffle 8, not only supporting the movable plate 9 through the hydraulic cylinder 7, improving the stability of the movable plate 9, the damage of parts is prevented, and the pressure resistance of the fixing plate 6 is improved by arranging the two supporting plates 11 and the supporting block 5 at the bottom of the fixing plate 6, so that the whole axle is more stable; since the bolt 15 is screwed into both the first screw hole 14 and the second screw hole 16, the bolt 15 can be unscrewed from the second screw hole 16 and the first screw hole 14 by rotating the bolt 15, so that the entire adjustment mechanism can be replaced.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a trailer axletree based on air suspension adjusts frame height, includes axletree body (1), its characterized in that: the automobile axle is characterized in that mounting plates (2) are arranged at two ends of the axle body (1), a protective sleeve (3) is arranged on the outer side of the axle body (1), a bearing (4) is arranged between the mounting plates (2) and the protective sleeve (3), and an adjusting mechanism is arranged on the outer side of the protective sleeve (3);

the adjusting mechanism comprises a supporting block (5), the supporting block (5) is arranged at the top of the protective sleeve (3), a fixed plate (6) is arranged at the top of the supporting block (5), a hydraulic cylinder (7) is arranged at the top of the fixed plate (6), baffles (8) are arranged on two sides of the hydraulic cylinder (7), the baffles (8) are arranged at the top of the fixed plate (6), a movable plate (9) is arranged at the top of the hydraulic cylinder (7), and an air damper (10) is arranged at the top of the movable plate (9);

the fixed plate (6) bottom is provided with backup pad (11), backup pad (11) one side is provided with connecting plate (12), connecting plate (12) top is provided with lantern ring (13).

2. A trailer axle for adjusting the height of a vehicle frame based on an air suspension as claimed in claim 1, wherein: the front side surface of the supporting plate (11) is provided with a first threaded hole (14), a bolt (15) is arranged inside the first threaded hole (14), and the outer side surface of the protective sleeve (3) is provided with a second threaded hole (16).

3. A trailer axle for adjusting the height of a vehicle frame based on an air suspension as claimed in claim 2, wherein: the bolt (15) is arranged in the second threaded hole (16), and the first threaded hole (14) and the second threaded hole (16) are in threaded connection with the bolt (15).

4. A trailer axle for adjusting the height of a vehicle frame based on an air suspension as claimed in claim 1, wherein: baffle (8) and backup pad (11) quantity all set up to a plurality ofly, the quantity of connecting plate (12) sets up to two, lantern ring (13) cross sectional shape sets up to the arc.

5. A trailer axle for adjusting the height of a vehicle frame based on an air suspension as claimed in claim 1, wherein: the bottom of the lantern ring (13) is provided with a positioning clamping plate (17), and the top surface of the protective sleeve (3) is provided with a positioning clamping groove (18).

6. The trailer axle for adjusting the height of a vehicle frame based on an air suspension of claim 5, wherein: the positioning clamping plate (17) is movably clamped with the positioning clamping groove (18), and the positioning clamping plate (17) is made of carbon steel materials.