Duplex bridge suspension
A bridge and frame technology, applied in the field of double bridge suspension, can solve the problems of unsatisfactory lightweight development, high maintenance cost, and poor ride comfort, so as to improve passability and road adaptability, increase jumping amount and dynamic The effect of deflection
Pending Publication Date: 2021-07-23
ZHENGZHOU JINGTONG AUTO PARTS
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Problems solved by technology
Domestic heavy-duty truck suspensions mainly include: leaf spring suspension, air suspension, and rubber suspension. The structure of leaf spring suspension is simple and reliable, but its ride comfort is poor and cannot meet the needs of lightweight development; air suspension and air suspension are comfortable Good performance and adjustable height, but its complex structure, high maintenance cost and can not be overloaded environment; rubber suspension can be used in overloaded working environment and good comfort, but its price is high and maintenance is not convenient. The ground clearance of the axle is low; now it is necessary A suspension with good comfort, relatively simple structure, high ground clearance and can be used in overloaded environment
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[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will be combined with the appended Figure 1-5 , clearly and completely describe the technical solutions of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.
[0024] Such as Figure 1-5 Shown: a double bridge suspension, including a longitudinal beam 1 of the vehicle frame, a plurality of cross beams 2 are arranged at intervals on the longitudinal beam 1, corresponding to both sides of the cross beam 2 and arranged on the outside of the longitudinal beam 1 A plurality of axles 8, the longitudinal beam 1 is provided with several transverse thrust rods 3, the outer side of the l...
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The invention provides a duplex bridge suspension which comprises a longitudinal beam, a plurality of cross beams are arranged on the longitudinal beam at intervals, a plurality of transverse thrust rods are arranged on the longitudinal beam, balance beams are symmetrically arranged at one end of the longitudinal beam and on the outer side of the longitudinal beam, and spiral springs are connected to the lower portions of the two sides of each balance beam. The lower portion of the spiral spring on one side is connected with an axle upper support arranged on the upper portion of the axle, the lower portion of the spiral spring on the other side is connected with an axle upper support arranged on the upper portion of the axle, an axle guide arm is arranged on one side of the axle and on the longitudinal beam, and an axle guide arm is arranged on the other side of the axle and on the longitudinal beam. By means of the duplex bridge structure, axle vibration caused when a vehicle is impacted can be effectively reduced, the situation that the vehicle is impacted to influence vehicle running and the vehicle is damaged due to the fact that the axle collides with a longitudinal beam is avoided, and the impact borne in the vehicle running process can be absorbed and relieved through cooperation of all the mechanisms so that stable running of the vehicle can be guaranteed.
Description
technical field [0001] The invention relates to the technical field of automobile bridge suspensions, in particular to a double bridge suspension. Background technique [0002] With the growth of the domestic economy, the business volume of the automobile cargo transportation industry has also increased. General trucks are multi-axle. After the truck is loaded with goods, generally more than 70% of the load is borne by the rear axle group. However, the current regulations and actual conditions limit the axle load to not exceed the allowable range. Larger loads reduce the ground pressure of the rear wheels. Nowadays, major automobile manufacturers are adopting the method of increasing the number of axles and tires to increase the load capacity. Domestic heavy-duty truck suspensions mainly include: leaf spring suspension, air suspension, and rubber suspension. The structure of leaf spring suspension is simple and reliable, but its ride comfort is poor and cannot meet the need...
Claims
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IPC IPC(8): B60G21/02B60G21/055B60G15/06
CPCB60G15/06B60G21/023B60G21/055B60G2300/026
Inventor 郑亮屠建刚孔相杰
Owner ZHENGZHOU JINGTONG AUTO PARTS