CN213501715U

CN213501715U - Three-axle semitrailer suspension lifting structure

Info

Publication number: CN213501715U
Application number: CN202022518642.4U
Authority: CN
Inventors: 王庆江
Original assignee: Jiangling Group Shandong Huayue Vehicle Parts Co ltd
Current assignee: Jiangling Group Shandong Huayue Vehicle Parts Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-22
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a three-axle semitrailer hangs lifting structure, which comprises a vehicle rack, fore-stock and after-poppet are the fixed both sides that set up in the frame bottom respectively, fixed mounting has well subassembly between fore-stock and the after-poppet, well subassembly includes two well supports, three rectangle installation piece and a plurality of shock absorber, the equal fixed bottom that sets up at the frame of support in two, three rectangle installation piece is all through lifting the equidistant fixed bottom that sets up at the frame, and three rectangle installation piece sets up respectively between fore-stock and one of them well support, between two institute's well supports and between another well support and the after-poppet, the beneficial effects of the utility model are that: cooperate through first lug and second lug, the shock absorber and the gasbag bumper shock absorber that set up cooperate, deflate or aerify the gasbag through atmospheric pressure inductive switch control high-pressure gas pump machine and solenoid exhaust valve to reach the drum gas or deflate and adjust absorbing effect.

Description

Three-axle semitrailer suspension lifting structure

Technical Field

The utility model relates to a lift the structure, in particular to three-axle semitrailer hangs and lifts structure belongs to three-axle semitrailer and hangs technical field.

Background

The suspension and lifting structure of the three-axle semi-trailer is a general name of all force transmission connecting devices between a frame of the automobile and an axle or wheels, and is used for transmitting force and torque acting between the wheels and the frame, buffering impact force transmitted to the frame or an automobile body from an uneven road surface, and attenuating vibration caused by the impact force so as to ensure that the automobile can stably run.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-axle semitrailer hangs lifting structure to current three-axle semitrailer suspended structure who proposes in solving above-mentioned background art is not convenient for provide better buffering shock attenuation effect, has reduced the problem of the work efficiency and the durability that three-axle semitrailer hung.

In order to achieve the above object, the utility model provides a following technical scheme: a three-axle semitrailer suspension lifting structure comprises a frame, a front support and a rear support, wherein the front support and the rear support are respectively and fixedly arranged at two sides of the bottom end of the frame, a middle support assembly is fixedly arranged between the front support and the rear support and comprises two middle supports, three rectangular mounting blocks and a plurality of shock absorbers, the two middle supports are respectively and fixedly arranged at the bottom end of the frame, the three rectangular mounting blocks are respectively and fixedly arranged at the bottom end of the frame through a lifting assembly at equal intervals, the three rectangular mounting blocks are respectively arranged between the front support and one of the middle supports, two middle supports and between the other middle support and the rear support, first lifting lugs are respectively and fixedly arranged at the inner side of the front support, the inner side of the rear support and two sides of the two middle supports, and second lifting lugs are respectively and fixedly arranged at two sides of the three rectangular mounting blocks, the first lifting lugs and the second lifting lugs which are opposite pairwise are connected through the shock absorbers.

As an optimal technical scheme of the utility model, it includes three gasbag, three high-pressure gas pump machine and three electromagnetism discharge valve, it is three to lift the subassembly the gasbag is fixed respectively and is set up the top at three rectangle installation piece, just the top of three gasbag all with the bottom fixed connection of frame, it is three the fixed bottom that sets up at the frame inner wall of impartial interval of high-pressure gas pump machine and three electromagnetism discharge valve.

As an optimal technical scheme of the utility model, it is three the end of giving vent to anger of high-pressure gas pump machine and three electromagnetism discharge valve inlet end pass through the connecting pipe respectively with the fixed intercommunication in inside of three gasbag, and three the inlet end of high-pressure gas pump machine and three electromagnetism discharge valve give vent to anger the end and all communicate with the external world.

As an optimal technical scheme of the utility model, it is three the bottom of gasbag inner wall is all fixed and is equipped with atmospheric pressure inductive switch.

As an optimal technical scheme of the utility model, it is three high-pressure gas pump machine and three electromagnetic exhaust valve all pass through atmospheric pressure inductive switch and vehicle mounted power electric connection.

As an optimal technical scheme of the utility model, it is three the gasbag is the rubber material and makes.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a three-axle semitrailer hangs lifting structure, cooperate through first lug and second lug, the shock absorber and the gasbag bumper shock absorber of setting cooperate, deflate or aerify the gasbag through air pressure inductive switch control high pressure air pump machine and solenoid vent valve, thereby reach the drum gas or deflate and adjust the absorbing effect, avoid three-axle independent atress, it is too big to appear the single axle when avoiding passing through rugged road surface, and other bridge load discontented phenomena, be convenient for provide better buffering shock attenuation effect, the work efficiency that three-axle semitrailer hung has been improved, the durability that three-axle semitrailer hung has been improved.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic top view of the cross-sectional structure of the present invention.

In the figure: 1. a frame; 2. a front bracket; 3. a rear bracket; 4. a middle support component; 41. a middle bracket; 42. a rectangular mounting block; 43. a first lifting lug; 44. a second lifting lug; 45. a shock absorber; 5. a lifting assembly; 51. an air bag; 52. a high pressure gas pump; 53. an electromagnetic exhaust valve; 54. an air pressure inductive switch.

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.

Referring to fig. 1-3, the present invention provides a three-axle semitrailer suspension lifting structure, including a frame 1, a front bracket 2 and a rear bracket 3, wherein the front bracket 2 and the rear bracket 3 are respectively and fixedly disposed at two sides of the bottom end of the frame 1 for facilitating the cooperation of a middle support assembly 4, the middle support assembly 4 is fixedly disposed between the front bracket 2 and the rear bracket 3, the middle support assembly 4 includes two middle supports 41, three rectangular mounting blocks 42 and a plurality of shock absorbers 45, the two middle supports 41 are both fixedly disposed at the bottom end of the frame 1, the three rectangular mounting blocks 42 are all and fixedly disposed at the bottom end of the frame 1 through the lifting assembly 5 at equal intervals, and the three rectangular mounting blocks 42 are respectively disposed between the front bracket 2 and one of the middle supports 41, between the two middle supports 41 and between the other middle support 41 and the rear bracket 3, first lifting lugs 43 are respectively and fixedly disposed at the inner side of the front bracket 2, the inner side of the rear bracket 3 and at two sides of the two middle supports 41, the two sides of the three rectangular mounting blocks 42 are fixedly provided with second lifting lugs 44, and the first lifting lugs 43 and the second lifting lugs 44 which are opposite in pairs are connected through a plurality of shock absorbers 45, so that the shock absorption is facilitated.

Preferably, the lifting assembly 5 comprises three air bags 51, three high-pressure gas pumps 52 and three electromagnetic exhaust valves 53, the three air bags 51 are respectively and fixedly arranged at the top ends of the three rectangular mounting blocks 42, the top ends of the three air bags 51 are all fixedly connected with the bottom end of the frame 1, the three high-pressure gas pumps 52 and the three electromagnetic exhaust valves 53 are fixedly arranged at the bottom end of the inner wall of the frame 1 at equal intervals, the air outlet ends of the three high-pressure gas pumps 52 and the air inlet ends of the three electromagnetic exhaust valves 53 are respectively and fixedly communicated with the interiors of the three air bags 51 through connecting pipes, the air inlet ends of the three high-pressure gas pumps 52 and the air outlet ends of the three electromagnetic exhaust valves 53 are all communicated with the outside, the bottom ends of the inner walls of the three air bags 51 are all fixedly provided with air pressure sensing switches 54, the three high-pressure gas pumps 52 and the three electromagnetic exhaust valves 53 are all electrically connected, the high-pressure air pump 52 and the electromagnetic exhaust valve 53 are controlled by the air pressure inductive switch 54 to deflate or inflate the air bag 51, so that the effect of adjusting and damping through inflating or deflating is achieved.

When in specific use, the utility model relates to a three-axle semitrailer hangs lifting structure, at first place well subassembly 4 in corresponding operating position, then the inspection confirms whether each spare part of lifting subassembly 5 all works normally, can use after the inspection is accomplished, install well subassembly 4 on the axle through three rectangle installation piece 42 during the use earlier, when well subassembly 4 passes through the rugged road surface when using, through the cooperation of first lug 43 and second lug 44 setting up shock absorber 45 and gasbag 51, control high pressure air pump machine 52 and electromagnetism discharge valve 53 through atmospheric pressure inductive switch 54 and deflate or aerify gasbag 51, thereby reach the effect of blowing or deflating and adjust the shock attenuation, avoid the independent atress of three way bridge, the appearance of single axle when avoiding passing through the rugged road surface bears the weight too big, and the phenomenon that other bridge loads are not full, be convenient for provide better buffering shock attenuation effect, the working efficiency of the three-axle semitrailer suspension is improved, and the durability of the three-axle semitrailer suspension is improved.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. A three-axle semitrailer suspension lifting structure comprises a frame (1), a front support (2) and a rear support (3), and is characterized in that the front support (2) and the rear support (3) are respectively fixedly arranged at two sides of the bottom end of the frame (1), a middle support assembly (4) is fixedly arranged between the front support (2) and the rear support (3), the middle support assembly (4) comprises two middle supports (41), three rectangular installation blocks (42) and a plurality of shock absorbers (45), the two middle supports (41) are respectively fixedly arranged at the bottom end of the frame (1), the three rectangular installation blocks (42) are respectively arranged between the front support (2) and one middle support (41), the two middle supports (41) and between the other middle support (41) and the rear support (3) at equal intervals through a lifting assembly (5), the inner side of the front support (2), the inner side of the rear support (3) and the two sides of the two middle supports (41) are respectively fixedly provided with a first lifting lug (43) and three, the two sides of the rectangular mounting block (42) are respectively fixedly provided with a second lifting lug (44), and the first lifting lugs (43) of the plurality of two opposite to each other and the second lifting lugs (44) of the plurality of two opposite to each other are connected through a plurality of shock absorbers (45).

2. The three-axle semitrailer suspension lifting structure according to claim 1, characterized in that: the lifting assembly (5) comprises three air bags (51), three high-pressure air pump machines (52) and three electromagnetic exhaust valves (53), the three air bags (51) are fixedly arranged at the top ends of three rectangular mounting blocks (42) respectively, the top ends of the three air bags (51) are fixedly connected with the bottom end of the frame (1), and the three air bags and the three electromagnetic exhaust valves (53) are fixedly arranged at the bottom ends of the inner wall of the frame (1) at equal intervals.

3. The three-axle semitrailer suspension lifting structure according to claim 2, characterized in that: the air outlet end of the high-pressure air pump (52) and the air inlet end of the three electromagnetic exhaust valves (53) are respectively and fixedly communicated with the inside of the three air bags (51) through connecting pipes, and the air inlet end of the high-pressure air pump (52) and the air outlet end of the three electromagnetic exhaust valves (53) are communicated with the outside.

4. The three-axle semitrailer suspension lifting structure according to claim 3, characterized in that: and air pressure inductive switches (54) are fixedly arranged at the bottom ends of the inner walls of the three air bags (51).

5. The three-axle semitrailer suspension lifting structure according to claim 4, characterized in that: the three high-pressure gas pumps (52) and the three electromagnetic exhaust valves (53) are electrically connected with a vehicle-mounted power supply through gas pressure inductive switches (54).

6. The three-axle semitrailer suspension lifting structure according to claim 5, characterized in that: the three air bags (51) are all made of rubber materials.