A kind of oil-pressure damper is used the sphere joint
Technical field
The utility model relates to a kind of joint of oil-pressure damper, is meant the sphere joint of shock absorber between a kind of high-speed train body especially.
Background technology
Shock absorber sphere joint between car body is applied in the two ends of shock absorber between high-speed train body, and its effect is that adjacent two car bodies of oil-pressure damper are linked together.Shock absorber is between adjacent two car bodies between car body.When vehicle process bend, shock absorber center shaft and car body form certain angle, make the shock absorber mount pin form certain corner.Add the relative vibration of all directions between vehicle, to the deflection in shock absorber joint, reverse and axial deflection proposes certain requirement.If the joint at shock absorber two ends does not possess above-mentioned deformation requirements, then can be directly the variation of position between vehicle be passed to shock absorber inside, form non-axial force, have a strong impact on the safe operation of oil-pressure damper life-span and vehicle.Present domestic oil-pressure damper end connecting joint mainly are divided into following several pattern: polysulphide rubbers node, rubber pad node and rigid ball spherical bearing joint.The two kinds of structures in front can't satisfy the requirement than the major adjustment angle, and the life-span is shorter.The sphere joint that is used for shock absorber between car body at present is basically by external import.
Summary of the invention
It is bigger that the purpose of this utility model provides a kind of adjustment angle, and the oil-pressure damper that can be adapted to shock absorber requirement between high-speed train body is used the sphere joint.
In order to achieve the above object, the technical solution of the utility model is, a kind of oil-pressure damper is used the sphere joint, comprise sphere mount pin and pin installation sleeve, the internal face sulfuration of pin installation sleeve has rubber layer, the inner wall sleeve of rubber layer is on the sphere of sphere mount pin, has the lubricating grease layer between the sphere of the inwall of rubber layer and sphere mount pin, the top and bottom of pin installation sleeve are equipped with back seal lining and lower seal lining respectively, the back seal lining comprises metallic framework and the corrugated rubber cover that sulfides, the upside mounting hole flush fit of the metallic framework of back seal lining and pin installation sleeve, the inner ring of the corrugated rubber cover of back seal lining is enclosed within on the sphere mount pin, the lower seal lining comprises metallic framework and the corrugated rubber cover that sulfides, the downside mounting hole flush fit of the metallic framework of lower seal lining and pin installation sleeve and offset with rubber layer bottom, the inner ring of the corrugated rubber cover of lower seal lining is enclosed within on the sphere mount pin.
Be placed with dust-proof cushion on the described back seal lining, the inner ring of dust-proof cushion is enclosed within on the sphere mount pin, and the outside of dust-proof cushion is covered with enclosing cover, and enclosing cover is fixed on the upper side of shock absorber installation portion by screw.
The inner ring of the corrugated rubber cover of described back seal lining and lower seal lining all is embedded with wire spring, and the inner ring of the corrugated rubber cover of back seal lining and lower seal lining passes through the wire spring banding respectively on the sphere mount pin.
After adopting said structure, because the inner wall sleeve of rubber layer is on the sphere of sphere mount pin, have the lubricating grease layer between the sphere of the inwall of rubber layer and sphere mount pin, therefore the sphere mount pin is rotated flexibly, also have axially certain and radial-deformation.Because the top and bottom of pin installation sleeve are equipped with back seal lining and lower seal lining respectively, therefore when guaranteeing that the sphere mount pin rotates flexibly, can prevent that lubricating oil from oozing out again.It is bigger that the utility model is adjusted angle, can be adapted to shock absorber requirement between high-speed train body, can effectively guarantee the normal lasting utilization of shock absorber, makes the vehicle safety smooth running.
Description of drawings
The embodiment that provides below in conjunction with accompanying drawing does explanation in further detail to the utility model.
Fig. 1 is the structural representation of a kind of oil-pressure damper of the present utility model with the sphere joint.
The specific embodiment
As shown in Figure 1, a kind of oil-pressure damper is used the sphere joint, comprise sphere mount pin 1 and pin installation sleeve 6, the internal face sulfuration of pin installation sleeve 6 has rubber layer 7, the inner wall sleeve of rubber layer 7 is on the sphere 1-1 of sphere mount pin 1, has the lubricating grease layer between the sphere 1-1 of the inwall of rubber layer 7 and sphere mount pin 1, the top and bottom of pin installation sleeve 6 are equipped with back seal lining 5 and lower seal lining 9 respectively, back seal lining 5 comprises metallic framework 5-1 and the corrugated rubber cover 5-2 that sulfides, the upside mounting hole 6-1 flush fit of the metallic framework 5-1 of back seal lining 5 and pin installation sleeve 6, the inner ring of the corrugated rubber cover 5-2 of back seal lining 5 is enclosed within on the sphere mount pin 1, lower seal lining 9 comprises metallic framework 9-1 and the corrugated rubber cover 9-2 that sulfides, the downside mounting hole 6-2 flush fit of the metallic framework 9-1 of lower seal lining 9 and pin installation sleeve 6 and offset with rubber layer 7 bottoms, the inner ring of the corrugated rubber cover 9-2 of lower seal lining 9 is enclosed within on the sphere mount pin 1.
As shown in Figure 1, be placed with dust-proof cushion 4 on the described back seal lining 5, the inner ring of dust-proof cushion 4 is enclosed within on the sphere mount pin 1, and the outside of dust-proof cushion 4 is covered with enclosing cover 2, and enclosing cover 2 is fixed on the upper side of shock absorber installation portion 8 by screw 3.Can avoid extraneous foreign matter to enter like this, the damage seal cartridge pollutes inner structure, guarantees service life.
As shown in Figure 1, permanent in order to seal, reliable, the corrugated rubber cover 5-2 of described back seal lining 5 and lower seal lining 9, the inner ring of 9-2 all are embedded with wire spring 5-3,9-3, and the inner ring of corrugated rubber cover 5-2, the 9-2 of back seal lining 5 and lower seal lining 9 passes through wire spring 5-3,9-3 banding respectively on sphere mount pin 1.