CN-122008754-A - Double-deck shock attenuation chassis

CN122008754ACN 122008754 ACN122008754 ACN 122008754ACN-122008754-A

Abstract

The invention discloses a double-layer damping chassis which comprises a first frame body, a second frame body and a wheel assembly, wherein the wheel assembly is arranged at the front end and the rear end of the second frame body, the first frame body is positioned right above the second frame body, an elastic mechanism is arranged between the first frame body and the second frame body, the middle part of the wheel assembly is rotationally and slidingly connected to the first frame body, reset mechanisms are symmetrically arranged at two sides of the wheel assembly, when a pothole section is met, the small-range up-down fluctuation of the second frame body and the wheel assembly is absorbed by the elastic mechanism and the reset mechanisms, further the first frame body is ensured to be stable and free from being influenced by jolt, a double-layer split structure is matched with the elastic mechanism and the reset mechanisms to form a double-layer damping and bidirectional reset cooperative damping system, the small-range up-down fluctuation can be absorbed by the elastic mechanism, the reset mechanism can quickly return to the offset wheel assembly, the single-side transitional swing of the wheel assembly is avoided, the first frame body is ensured to be always kept in a stable state, and the influence of jolt on the first frame body is effectively eliminated.

Inventors

LI ZHENGFA
WANG SHENGGUI
XU NING
GENG WENTING
HUANG LINKE
ZHANG XIAOYONG
WANG RUI
QIN KAI
WEI JIANMIN
WANG QUAN
WU YAO
BAO YIJUN

Assignees

国网甘肃省电力公司建设分公司

Dates

Publication Date: 20260512
Application Date: 20260324

Claims (9)

1. The double-layer damping chassis comprises a first frame body (10), a second frame body (20) and a wheel assembly (30), and is characterized in that the wheel assembly (30) is arranged at the front end and the rear end of the second frame body (20), the first frame body (10) is located right above the second frame body (20), an elastic mechanism (40) is arranged between the first frame body (10) and the second frame body (20), the middle part of the wheel assembly (30) is rotationally and slidingly connected to the first frame body (10), reset mechanisms (50) are symmetrically arranged on two sides of the wheel assembly (30), and when a pothole area is encountered, the second frame body (20) and the wheel assembly (30) are vertically fluctuated in a small range and are absorbed by the elastic mechanism (40) and the reset mechanisms (50), so that the first frame body (10) is stably and not influenced by jolt.
2. The double-layer damping chassis of claim 1, wherein the elastic mechanism (40) comprises a first base (401), a second base (402), a limiting screw (403) and a first elastic spring (404), the first base (401) and the second base (402) are oppositely arranged and are connected through the limiting screw (403), an elastic spring is further arranged between the first base (401) and the second base (402), when the first base (401) and the second base (402) are in danger and jolt, the distance between the first base (401) and the second base (402) is reduced, the elastic spring is compressed, and the limiting screw (403) can axially move inside the first base (401) or the second base (402).
3. The double-deck shock absorbing chassis of claim 2, wherein the initial state of the elastic spring is in a compressed state.
4. The double-layer damping chassis of claim 1, wherein the front side and the rear side of the second frame body (20) are respectively provided with an accommodating area (202), the bottom of the accommodating area (202) is penetrated through by a connecting bearing (203), the wheel assembly (30) comprises a connecting table, the connecting table is provided with a connecting groove (204), the connecting table stretches into the accommodating area (202), and the connecting bearing (203) is sequentially inserted into the accommodating area (202) and the connecting groove (204), so that the wheel assembly (30) and the second frame body (20) are connected, and the connecting table can axially slide along the accommodating area (202) and swing laterally.
5. The double-deck shock attenuation chassis of claim 4, wherein side rake frames (201) are arranged on the front side and the rear side of the second frame body (20), the projection of the side rake frames (201) is arranged in an inverted triangle shape, the accommodating area (202) is arranged at the bottom of the side rake frames (201), and the connecting bearing (203) is positioned at the bottommost end of the side rake frames (201).
6. The double-deck shock absorbing chassis according to claim 4, wherein the receiving groove (204) is waist-shaped and has a length corresponding to a height of the elastic means (40).
7. The double-layer damping chassis of claim 1, wherein the reset mechanism (50) is obliquely arranged, two ends of the reset mechanism are respectively connected to the second frame body (20) and the wheel assembly (30) through two reset bases (501), the reset bases (501) which are oppositely arranged at two intervals are connected through reset springs (502), and one reset base (501) is provided with a buffer component.
8. The double-deck shock absorbing chassis according to claim 7, wherein said cushion assembly comprises a limit cushion (503), said limit cushion (503) being threadably coupled to said reset base (501).
9. The double-deck shock absorbing chassis according to claim 7, wherein the reset bases (501) are respectively connected to the second frame body (20) and the wheel assembly (30) through reset shafts (507), one of the reset bases (501) protrudes outwards to form protruding ends (504), reset holes are formed in the protruding ends (504), the double-deck shock absorbing chassis further comprises mounting pull rings (506) and mounting bolts (505), one ends of the mounting pull rings (506) are rotatably connected to one reset shaft (507), the other ends of the mounting pull rings are close to the other reset shaft (507), the mounting bolts (505) penetrate through the reset bases (501) and are connected to the mounting pull rings (506) in a threaded mode, and the mounting bolts (505) are screwed to enable the reset bases (501) arranged oppositely to be close to each other, so that the reset springs (502) are compressed.

Description

Double-deck shock attenuation chassis Technical Field The invention relates to the technical field of vehicle chassis, in particular to a double-layer damping chassis. Background In the fields of special operation, field exploration, unstructured terrain transportation and the like, a mobile platform often faces complex rugged pothole road challenges, and a conventional chassis cannot meet the frequent pothole areas. In the existing chassis structure, especially the multi-foot or wheel-foot chassis, the damping system is concentrated on the direct buffering of the wheel axle or the suspension device, and when the single-layer or integrated damping design faces continuous and uneven jolting, the vibration energy is easily directly transmitted to the superstructure of the bearing equipment or the operation platform, so that the equipment stability is poor, the precision parts are damaged or the operation precision is reduced. Disclosure of Invention The invention aims to solve the problems and provide a double-layer damping chassis. The invention comprises a first frame body, a second frame body and a wheel assembly, wherein the wheel assembly is arranged at the front end and the rear end of the second frame body, the first frame body is arranged right above the second frame body, an elastic mechanism is arranged between the first frame body and the second frame body, the middle part of the wheel assembly is rotationally and slidingly connected to the first frame body, and reset mechanisms are symmetrically arranged at the two sides of the wheel assembly, when a pothole section is encountered, small-range up-and-down fluctuation of the second frame body and the wheel assembly is absorbed by the elastic mechanism and the reset mechanisms, so that the first frame body is stable and free from being influenced by jolt, a double-layer split structure of the first frame body and the second frame body is matched with the elastic mechanism and the reset mechanism, a double-layer buffering and bidirectional reset cooperative damping system is formed, when a vehicle runs through the pothole section, the small-range up-down fluctuation between the second frame body and the first frame body can be absorbed by the elastic mechanism, the reset mechanisms can quickly and positively shift the first frame body and stably, and stably swing the first frame body can be prevented from being influenced, and the first frame body can always swing forward and smoothly, and the first frame can always swing smoothly, and the first frame can be prevented from swinging, and the first frame can swing and the first frame and the swing. Specifically, the elastic mechanism comprises a first base, a second base, a limit screw and a first elastic spring, wherein the first base and the second base are oppositely arranged and are connected through the limit screw, the elastic spring is further arranged between the first base and the second base, when the first base jolts out, the distance between the first base and the second base is reduced, the elastic spring is compressed, and the limit screw can axially move inside the first base or the second base. Specifically, the initial state of the elastic spring is in a compressed state. Specifically, the front side and the rear side of the second frame body are respectively provided with an accommodating area, the bottoms of the accommodating areas are penetrated through connecting bearings, the wheel type assembly comprises a guide receiving table, guide receiving grooves are formed in the guide receiving table, the guide receiving table stretches into the accommodating areas and sequentially inserts into the accommodating areas and the guide receiving grooves through the connecting bearings, the wheel type assembly is connected with the second frame body, and the guide receiving table can axially slide and laterally swing along the accommodating areas. Specifically, the side all is provided with the side frame of overturning around the second support body, the projection of side frame of overturning is the triangle-shaped setting that falls, hold the regional setting in side frame bottom inclines, connecting bearing is located side frame bottom inclines. Specifically, the guide groove is waist-shaped, and the length of the guide groove is equal to the height of the elastic mechanism. Specifically, the canceling release mechanical system slope sets up, its both ends through two canceling release mechanical systems connect respectively in the second support body with on the wheel assembly, two intervals set up relatively the canceling release mechanical system passes through reset spring and connects, one of them set up on the canceling release mechanical system and be connected with buffer assembly. Specifically, the buffer assembly comprises a limit buffer pad, and the limit buffer pad is connected to the reset base in a threaded manner. Specifically, reset base pass through reset shaft connect res