Rear rubber bearing limiting device of engine
Technical Field
The utility model relates to a light truck designs research and development technical field, specifically is a rubber support stop device behind engine.
Background
At present, a rear rubber bearing of a light truck generally comprises a metal framework, rubber, a limiting plate, a limiting bolt and the like, but under the condition of severe road conditions of a vehicle, due to shaking and bumping of the vehicle, pressure, tension, torsion and the like are repeatedly applied to the rear rubber bearing of an engine, after the vehicle runs for a certain distance, the limiting plate of the rear rubber bearing of the engine is broken from a middle bolt hole, so that the rubber and the metal framework of the rear rubber bearing of the engine are cracked, the engine is inclined, and various parts around the engine are damaged. Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: the existing limiting plate of the rear rubber support of the engine is easy to break from the middle bolt hole, so that the rubber and the metal framework of the rear rubber support of the engine are cracked, the engine is inclined, and various parts around the engine are damaged.
The technical scheme of the utility model is that:
a rear rubber supporting and limiting device for an engine mainly comprises a limiting plate, a limiting bolt, a rear rubber supporting bolt hole for the engine and a rear rubber supporting base body for the engine, wherein the limiting plate comprises a limiting plate body, a limiting hole and a limiting plate reinforcing plate, the limiting plate body is arranged in a step shape, the limiting hole is formed in the center of the top of the step, the limiting plate reinforcing plate is arranged on two sides of the limiting plate body, is perpendicular to the plane where the limiting hole is located, and is integrally formed with the limiting plate body through deep drawing; the inner side of the limiting plate is filled with and bonded with first vulcanized rubber, the limiting bolt is connected with the rear rubber supporting base body of the engine through the limiting hole, and second vulcanized rubber is filled in the middle of the rear rubber supporting base body of the engine, so that the damping effect is realized on the force transmitted by the engine or the frame, and the adverse effect of the impact force on the limiting plate is reduced; the rear rubber support bolt hole of the engine fixes the rear rubber support of the engine on the frame through a bolt, and then the rear rubber support of the engine and the engine are fixed together through the bolt connection. Through the rear rubber support of the engine, the fixed connection effect of the engine is achieved, and the impact force borne by the engine and the frame is buffered and improved.
By adopting the technical scheme, two sides of the limiting plate are combined with vulcanized rubber and integrally embedded into a framework of the rubber support behind the engine, the limiting plate and the framework of the rubber support behind the engine are fastened together by bolts through hole positions at the top of the limiting plate, and a base plate is additionally arranged on the bolt head and the limiting plate support. The rear rubber support of the whole engine is connected through a bolt to fix the engine and the frame together. The reinforcing plates on the two sides of the limiting plate body are additionally arranged, so that the limiting plate is not easy to break at the bending positions of the steps at the two ends when bearing impact force.
Further, in the above scheme, the limiting plate body has a top step and a bottom step, the plane where the limiting hole is located is the top step, the other step is the bottom step, the two steps are connected through the connecting plate, and a first bending angle and a second bending angle are respectively formed between the connecting plate and the steps.
Further, the first bending angle and the second bending angle are both 135 degrees.
Further, in the above scheme, the thickness of the plate material of the limiting plate body and the limiting plate reinforcing plate is 3mm, and the material is Q235A.
Further, in the above scheme, the total height of the limiting plate is 20mm, the total width is 38.4mm, and the total length is 93 mm.
Further, in the above scheme, the size of the limiting hole is as follows
Further, in the above scheme, a gasket is arranged between the nut of the limit bolt and the limit plate, so that the limit plate can uniformly bear the impact force transmitted by the limit bolt.
The utility model has the advantages that: compared with the tensile strength of 15.99KN of the rubber supporting limiting plate behind the common engine, the tensile strength of the limiting plate is 35.6KN, and the limiting plate has higher tensile strength and higher compressive strength, so that the vehicle can adapt to worse working conditions and reduce failure rate, and meanwhile, the mounting process is consistent with that of the rubber supporting limiting plate behind the common engine, and the mounting is simple and easy to realize.
Drawings
Fig. 1 is an installation schematic diagram of the limiting device of the present invention.
Fig. 2 is a schematic perspective view of the stopper plate.
Fig. 3 is a sectional view of the stopper plate.
Fig. 4 is a plan view of the stopper plate.
The engine rear rubber support structure comprises 1-limiting plate, 2-limiting bolt, 3-first vulcanized rubber, 4-engine rear rubber support bolt hole, 5-engine rear rubber support base body, 6-second vulcanized rubber, 11-limiting plate body, 12-limiting hole, 13-limiting plate reinforcing plate, 14-first bending angle and 15-second bending angle.
Detailed Description
As shown in fig. 1, the rear rubber support limiting device for the engine mainly comprises a limiting plate 1, a limiting bolt 2, a rear rubber support bolt hole 4 for the engine and a rear rubber support base body 5 for the engine, wherein as shown in fig. 2, the limiting plate 1 comprises a limiting plate body 11, a limiting hole 12 and a limiting plate reinforcing plate 13, the limiting plate body 11 is arranged in a step shape, the limiting hole 12 is arranged in the center of the top of the step, the limiting plate reinforcing plates 13 are arranged on two sides of the limiting plate body 11, are perpendicular to the plane of the limiting hole 12 and are integrally formed with the limiting plate body 11 through deep drawing; the inner side of the limiting plate 1 is filled and bonded with first vulcanized rubber 3, the limiting bolt 2 is connected with the rear rubber supporting base body 5 of the engine through the limiting hole 12, and a gasket is arranged between a nut of the limiting bolt 2 and the limiting plate 1 and used for enabling the limiting plate 1 to uniformly bear impact force transmitted through the limiting bolt 2; the second vulcanized rubber 6 is filled in the middle of the rubber supporting base body 5 behind the engine, and plays a role in buffering and damping the force transmitted by the engine or the frame, so that the adverse effect of the impact force borne by the limiting plate 1 is reduced; the rear rubber support bolt hole 4 of the engine fixes the rear rubber support of the engine on the frame through a bolt, and then the rear rubber support of the engine and the engine are fixed together through the bolt connection. Through the rear rubber support of the engine, the fixed connection effect of the engine is achieved, and the impact force borne by the engine and the frame is buffered and improved.
According to the structure, two sides of the limiting plate are combined with vulcanized rubber and integrally embedded into a framework of the rear rubber support of the engine, the limiting plate and the rear rubber support framework of the engine are fastened together through bolts through hole positions at the top of the limiting plate, and a base plate is additionally arranged between the bolt head and the limiting plate support. The rear rubber support of the whole engine is connected through a bolt to fix the engine and the frame together. The reinforcing plates 13 on the two sides of the limiting plate body 11 are added, so that the limiting plate 1 is not easy to break at the bending positions of the steps at the two ends when bearing impact force.
As shown in fig. 2-4, the limiting plate body 11 has a top step and a bottom step, the plane of the limiting hole 12 is the top step, the other step is the bottom step, the two steps are connected by a connecting plate, a first bending angle 14 and a second bending angle 15 are respectively formed between the connecting plate and the steps, and the first bending angle 14 and the second bending angle 15 are both 135 °.
Wherein, the plate thickness of the
limiting plate body 11 and the limiting
plate reinforcing plate 13 is 3mm, and the plate thickness is 3mmThe material was Q235A. The total height of the
limiting plate 1 is 20mm, the total width is 38.4mm, and the total length is 93 mm. The size of the
limiting hole 12 is
Compare the tensile strength of rubber support limiting plate 15.99KN behind general engine, the limiting plate tensile strength of this device is 35.6KN, has higher tensile strength, higher compressive strength for the vehicle can adapt to more abominable operating mode, reduce the fault rate, and rubber support limiting plate is unanimous behind mounting process and general engine simultaneously, and the installation is simple and easy, easily realizes.