CN219687009U

CN219687009U - Automobile trailer lifting device

Info

Publication number: CN219687009U
Application number: CN202321240646.8U
Authority: CN
Inventors: 郭熠辉
Original assignee: Nanchang Xinyuan Auto Parts Co ltd
Current assignee: Nanchang Xinyuan Auto Parts Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-09-15
Anticipated expiration: 2033-05-22

Abstract

The utility model provides an automobile trailer lifting device, which relates to the technical field of automobile equipment and comprises a trailer chassis, an air suspension device and a buffer mechanism, wherein the air suspension device is arranged at the bottom of the trailer chassis, a wheel bracket is arranged between the air suspension devices, and the buffer mechanism is arranged between the center of the wheel bracket and the trailer chassis; the utility model relates to a vehicle trailer lifting device, which comprises a vehicle trailer lifting device, a limiting displacement groove, a plurality of buffer assemblies, a damping cushion and a damping cushion, wherein the bottom of the fixing frame is provided with the lifting groove upwards, the limiting displacement groove is arranged on two sides of the lifting groove, the top of the lifting groove is provided with the plurality of buffer assemblies, and the periphery of the buffer assemblies is positioned at the top of the lifting groove.

Description

Automobile trailer lifting device

Technical Field

The utility model relates to the technical field of automobile equipment, in particular to an automobile trailer lifting device.

Background

In the existing automobile trailer, the general trailer axle tires are always in contact with the ground no matter in the static state or in the running state of the automobile trailer; when the two-axle trailer turns, the front and rear axle wheels roll and slide; when the three-axle trailer turns, the trailer tires on the second axle of the semitrailer roll close to the knot, and when the three-axle semitrailer turns, the tires of the first axle and the third axle roll and also slide transversely; the sliding of the tire causes excessive abrasion of the tire, increases the fuel consumption of the automobile when the automobile turns, and is easy to cause the problems of influencing the running stability of the automobile and the like;

in popular air suspension, an air bag is used for replacing a common plate spring, compressed air is filled into a sealed container, and the vehicle is damped by using the compressibility and the elastic action of the air, so that a group of axles are lifted;

however, because the trailer carrying capacity is larger, when the axle descends, the mode that plays the shock attenuation effect through the gasbag is comparatively single, and is unstable inadequately, need often wash the inspection to the gasbag, prevent wearing and tearing that ageing and grit's contact caused, lead to the reduction of gasbag shock attenuation effect, but because the trailer road conditions of traveling are different, and travel time is all longer, in case the gasbag breaks down, then lead to whole car unstable, the shock attenuation buffering effect that corresponds the wheel body loses, causes the influence to the operation of axletree and automobile body, consequently, we propose an automobile trailer hoisting device.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, but because the carrying capacity of a trailer is larger, the mode of playing a damping effect through an air bag is single and unstable when an axle descends, the air bag is required to be cleaned and checked frequently, the air bag damping effect is reduced because of aging and abrasion caused by contact of sand and stones, but because the road conditions of the trailer are different and the running time is longer, once the air bag fails, the whole vehicle is unstable, the damping and buffering effects of corresponding wheel bodies are lost, and the operation of the axle and the vehicle body is influenced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the automobile trailer lifting device comprises a trailer chassis, an air suspension device and a buffer mechanism, wherein the air suspension device is arranged at the bottom of the trailer chassis, a wheel bracket is arranged between the air suspension devices, and the buffer mechanism is arranged between the center of the wheel bracket and the trailer chassis;

the buffer mechanism comprises a fixing frame, lifting grooves are formed in the bottom of the fixing frame in an upward mode, limit displacement grooves are formed in two sides of each lifting groove, a plurality of buffer assemblies are arranged on the top of each lifting groove, shock pads are arranged on the periphery of each buffer assembly and located at the top of each lifting groove, lifting connecting frames are arranged on the bottoms of the buffer assemblies in an extending mode, and lifting wheels are arranged on the two sides, close to the top ends, of each lifting connecting frame and located inside the corresponding limit displacement grooves.

As a preferable scheme of the utility model, the air suspension device comprises shock absorption air bag assemblies and rotating supporting arms, wherein the shock absorption air bag assemblies and the rotating supporting arms are arranged on the front side and the rear side of the two ends of the wheel bracket, and a brake cylinder is arranged at the bottom of each rotating supporting arm.

As a preferable scheme of the utility model, the buffer assembly comprises a sleeve, a damping block, a first spring and a sliding rod are sequentially arranged in the sleeve from top to bottom, a second spring is arranged at the periphery of the sliding rod, the buffer assembly is longitudinally arranged, and the sliding rod is in sliding connection with the sleeve.

The technical effect of adopting the further scheme is as follows: through the slide bar sliding in the sleeve, when the lifting connection frame of slide bar bottom and axletree connection received vibrations, slide bar cooperation sleeve inside and self outlying first spring and second spring play better buffering shock attenuation effect, and the snubber block on first spring top then absorbs vibrations.

As a preferable scheme of the utility model, the lifting connecting frame is in sliding connection with the fixing frame, a plurality of through holes are formed in the lifting connecting frame, and the lifting connecting frame is movably connected with the lifting wheels through rotating shafts.

The technical effect of adopting the further scheme is as follows: the gravity of the lifting connecting frame is reduced through the arrangement of the through holes, and the overall weight of the buffer mechanism is reduced.

As a preferable scheme of the utility model, the shock pad is made of rubber material, and the shock pad fills the space between the buffer components.

The technical effect of adopting the further scheme is as follows: the sleeve is filled and supported through the damping pad made of rubber materials, and the damping effect is improved through absorbing and relieving vibration.

As a preferable scheme of the utility model, the lifting wheel is made of rubber material and is matched with the limit displacement groove.

The technical effect of adopting the further scheme is as follows: the lifting wheel made of rubber slides in the limit displacement groove more stably, and when the lifting wheel is subjected to vibration ascending displacement, the damping sliding effect is achieved, and the vibration is relieved by matching with an internal damping component and the like.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the design of the buffer mechanism, after the trailer lifting device drives the axle to descend, when the axle is vibrated, the lifting connecting frame above the axle is matched and slides into the lifting groove, at the moment, the sliding rod slides in the sleeve, when the lifting connecting frame connected with the axle at the bottom of the sliding rod is vibrated, the sliding rod is matched with the first spring and the second spring inside the sleeve and at the periphery of the sliding rod to play a good role in buffering and damping, the damping block at the top end of the first spring absorbs vibration, meanwhile, the lifting wheel made of rubber slides in the limit displacement groove to be more stable, when the axle is vibrated and ascended, the effect of damping and sliding is achieved, the inner damping component and the like are matched to relieve vibration, the corresponding damping pad made of rubber is used for filling and supporting the sleeve, the vibration absorption and alleviation are achieved, the lifting and damping effects are combined, a plurality of groups of buffering modes are provided by combining with the damping air bags, the original structures of the trailer are not influenced, the phenomenon that the air bags are broken and the running of the whole vehicle is unstable, and the axle is more stable.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an automobile trailer lifting device provided by the utility model;

FIG. 2 is a front structural anatomic view of a mount of an automotive trailer lifting device provided by the utility model;

fig. 3 is an enlarged schematic diagram of an a structure of an automobile trailer lifting device provided by the utility model.

Legend description: 1. a trailer chassis; 2. an air suspension device; 201. a shock absorbing bladder assembly; 202. rotating the bracket arm; 203. a brake cylinder; 3. a buffer mechanism; 301. a fixing frame; 302. a lifting groove; 303. limiting the displacement groove; 304. a buffer assembly; 3041. a sleeve; 3042. a damper block; 3043. a first spring; 3044. a slide bar; 3045. a second spring; 305. a shock pad; 306. lifting the connecting frame; 3061. a through hole; 307. a lifting wheel; 4. and a wheel bracket.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are, however, not limited to the embodiments described herein, but are to be provided for the purpose of making the disclosure of the utility model more thorough.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Example 1

As shown in fig. 1-3, the present utility model provides a technical solution: an automobile trailer lifting device comprises a trailer chassis 1, an air suspension device 2 and a buffer mechanism 3, wherein the air suspension device 2 is arranged at the bottom of the trailer chassis 1, a wheel bracket 4 is arranged between the air suspension devices 2, and the buffer mechanism 3 is arranged between the center of the wheel bracket 4 and the trailer chassis 1; the buffer mechanism 3 comprises a fixed frame 301, a lifting groove 302 is formed in the bottom of the fixed frame 301 in an upward mode, limit displacement grooves 303 are formed in the two sides of the lifting groove 302, a plurality of buffer assemblies 304 are arranged at the top end of the lifting groove 302, shock pads 305 are arranged on the periphery of the buffer assemblies 304 and located at the top of the lifting groove 302, lifting connecting frames 306 are arranged at the bottoms of the buffer assemblies 304 in an extending mode, lifting wheels 307 are arranged at the positions, close to the top ends, of the two sides of the lifting connecting frames 306 and located in the limit displacement grooves 303.

Example 2

As shown in fig. 1-3, the air suspension device 2 includes a shock absorbing air bag assembly 201 and a rotating bracket 202 which are disposed on front and rear sides of two ends of a wheel support 4, the rotating bracket 202 rotates with a trailer chassis 1, the wheel support 4 is supported, the shock absorbing air bag assembly 201 is used for buffering and driving the trailer chassis 1 to lift, a brake cylinder 203 is disposed at the bottom of the rotating bracket 202, a buffer assembly 304 includes a sleeve 3041, a shock absorbing block 3042, a first spring 3043 and a sliding rod 3044 are sequentially disposed in the sleeve 3041 from top to bottom, a second spring 3045 is disposed on the periphery of the sliding rod 3044, the buffer assembly 304 is longitudinally disposed, the sliding rod 3044 is in sliding connection with the sleeve 3041, a lifting connecting frame 306 is in sliding connection with a fixing frame 301, a plurality of through holes 3061 are formed in the lifting connecting frame 306, the lifting connecting frame 306 is in movable connection with a lifting wheel 307 through a rotating shaft, the shock absorbing pad 305 is made of rubber material, the shock absorbing pad 305 fills the buffer assembly 304, the lifting wheel 307 is made of rubber material, and the lifting wheel 307 is matched with the limiting displacement groove 303.

The working flow of the utility model is as follows: when the automobile trailer lifting device is used, firstly, after the air suspension device 2 drives the wheel brackets 4 to descend and enable wheels at two ends of the wheel brackets 4 to descend to contact the ground, in the running process of the air suspension device, the lifting connecting frame 306 slides into the lifting groove 302, at the moment, the sliding rod 3044 slides in the sleeve 3041, when the lifting connecting frame 306 connected with an axle at the bottom of the sliding rod 3044 is vibrated, the sliding rod 3044 is matched with the first spring 3043 and the second spring 3045 in the sleeve 3041 and at the periphery of the sliding rod, the damping block 3042 at the top end of the first spring 3043 absorbs vibration, meanwhile, the lifting wheel 307 made of rubber material slides in the limit displacement groove 303 more stably, and when the lifting device is subjected to vibration lifting displacement, the damping block 305 made of the corresponding rubber material is matched with the inner damping component to release vibration, the sleeve 3041 is filled and supported, and the vibration absorbing effect is lifted, so that the whole automobile trailer lifting device is well-buffered after the automobile trailer lifting device is lowered, compared with the existing automobile trailer lifting device, the utility model is matched with the axle lifting device in the whole lifting device and has the practical stability after the automobile trailer lifting device is driven to descend.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile trailer hoisting device, includes trailer chassis (1), air suspension device (2) and buffer gear (3), its characterized in that: the air suspension device (2) is arranged at the bottom of the trailer chassis (1), a wheel bracket (4) is arranged between the air suspension devices (2), and the buffer mechanism (3) is arranged between the center of the wheel bracket (4) and the trailer chassis (1);

the buffer mechanism (3) comprises a fixing frame (301), lifting grooves (302) are formed in the bottom of the fixing frame (301) in an upward mode, limit displacement grooves (303) are formed in the two sides of the lifting grooves (302), a plurality of buffer assemblies (304) are arranged on the top of the lifting grooves (302), shock pads (305) are arranged on the periphery of the buffer assemblies (304) and located on the top of the lifting grooves (302), lifting connecting frames (306) are arranged on the bottoms of the buffer assemblies (304) in an extending mode, and lifting wheels (307) are arranged on the two sides, close to the top, of the lifting connecting frames (306) and located inside the limit displacement grooves (303).

2. An automotive trailer lifting device as claimed in claim 1, wherein: the air suspension device (2) comprises a damping air bag assembly (201) and a rotating bracket arm (202) which are arranged on the front side and the rear side of the two ends of the wheel bracket (4), and a brake cylinder (203) is arranged at the bottom of the rotating bracket arm (202).

3. An automotive trailer lifting device as claimed in claim 1, wherein: the buffer component (304) comprises a sleeve (3041), a shock absorption block (3042), a first spring (3043) and a sliding rod (3044) are sequentially arranged in the sleeve (3041) from top to bottom, a second spring (3045) is arranged on the periphery of the sliding rod (3044), the buffer component (304) is longitudinally arranged, and the sliding rod (3044) is in sliding connection with the sleeve (3041).

4. An automotive trailer lifting device as claimed in claim 1, wherein: the lifting connecting frame (306) is in sliding connection with the fixing frame (301), a plurality of through holes (3061) are formed in the lifting connecting frame (306), and the lifting connecting frame (306) is movably connected with the lifting wheels (307) through rotating shafts.

5. An automotive trailer lifting device as claimed in claim 1, wherein: the shock pad (305) is made of rubber materials, and the shock pad (305) fills the space between the buffer components (304).

6. An automotive trailer lifting device as claimed in claim 1, wherein: the lifting wheel (307) is made of rubber materials, and the lifting wheel (307) is matched with the limit displacement groove (303).