Single-cylinder inflatable vibration absorber and application
A shock absorber and vertical shock absorber technology, which is applied in the directions of gas-liquid shock absorbers, shock absorbers, shock absorbers, etc., can solve the problem that the control range and limit of the one-way control valve spring are limited and cannot meet the use of railway freight cars. requirements, it is difficult to generate tensile resistance of railway freight cars, etc., to avoid the disadvantages of empty travel, simple and reasonable structure, and ideal vibration reduction performance.
Inactive Publication Date: 2011-09-14
付德海
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Problems solved by technology
The problems caused by this are: when the medium oil passes through the damping hole, the oil is squeezed, sheared, and the friction is very serious, and the quality of the medium oil is easily damaged, especially its temperature characteristics and speed characteristics are very bad; The control range and limit of the spring are limited, it is difficult to produce the tensile resistance required by the railway freight car during use, the service life is short, and it cannot meet the use requirements of the railway freight car
Due to the use of the auxiliary cylinder, the structure is relatively complicated and the cost is high; in addition, because the auxiliary cylinder is sealed with an O-ring as a vertical shock absorber, the strength of the O-ring is limited and the sealing effect is not ideal, so it is not suitable for railways Vertical shock absorbers for trucks
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[0019] As shown in the figure, the single-cylinder gas-filled shock absorber includes a cylinder body 6, a mounting joint assembly 10 is arranged on the top surface of the cylinder body 6, a piston rod 15 and a piston assembly 8 are arranged in the main cylinder body 6, A one-way working valve 7 and a one-way control valve 9 are provided on the piston assembly 8, and a port sealing assembly 14 is provided at the lower end of the main cylinder body 6. The pressure of the compressed gas 12 is 0.5-1MPa, which is used to ensure that the cylinder body 6 Sufficient pressure inside to eliminate cavitation. At the leading end of the piston rod 15, a dust cover 3 and an installation joint assembly 1 are installed through a backup nut 2, and a dust cover 5 is provided between the cylinder body 6 and the dust cover 3, and the dust cover 3 It is connected with the dustproof cover 5 by screws 4, the dustproof cover 3 and the dustproof cover 5 are made of steel, and a rubber layer 13 is pro...
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The invention discloses a single-cylinder inflatable vibration absorber. The single-cylinder inflatable vibration absorber comprises a cylinder, wherein a piston rod and a piston assembly are arranged inside the cylinder; a one-way working valve and a one-way control valve are arranged on the piston assembly; and an end orifice sealing assembly is arranged at the lower end of the cylinder. The single-cylinder inflatable vibration absorber has the characteristics that: one cylinder is provided; medium oil is filled into the cylinder; and compressed air is inflated at the bottom of the cylinder. The single-cylinder inflatable vibration absorber can be used as a vertical vibration absorber and has the advantages that: the single-cylinder inflatable vibration absorber is simple in structure, small in volume, low in cost and long in service life; the vibration-absorbing performance is ideal, the harmful vibration in the running process of a vehicle is eliminated, and the resonance is prevented; and the stability, comfort and safety in the running process are ensured so as to meet the actual requirements after acceleration of a lorry.
Description
technical field [0001] The invention belongs to a heavy-duty vehicle shock absorber, in particular to a single-cylinder pneumatic shock absorber and its application. Background technique [0002] Due to their large dead weight and load capacity, railway wagons generate a very large vibration force when driving, especially after multiple speed increases. The traditional shock absorber is composed of an oil storage cylinder, a working cylinder, a piston assembly and a valve seat. The piston assembly is composed of a piston, a piston rod, and a check valve arranged at the upper and lower ends of the piston. It is composed of a valve plate and a spring for controlling the valve plate. It uses the damping force generated by the damping hole to achieve vibration reduction. The principle is that the greater the damping force generated, the smaller the damping hole used. The problems caused by this are: when the medium oil passes through the damping hole, the oil is squeezed, shea...
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Login to View More IPC IPC(8): F16F9/06F16F9/36F16F9/38
Inventor 付德海苗忻旺
Owner 付德海