阅读说明：本技术 一种刚度可调式工程车用橡胶减震设备 (Rigidity-adjustable rubber damping equipment for engineering truck ) 是由 陈颖 于 2019-11-18 设计创作，主要内容包括：本发明涉及橡胶减震设备技术领域,且公开了一种刚度可调式工程车用橡胶减震设备,包括轮胎,所述轮胎的内部活动连接有转轴,转轴的表面套接有中空通道,中空通道的内部固定连接有抽吸管道,抽吸管道的内部固定连接有抽吸囊,中空通道的内部且位于抽吸管道的表面固定连接有送气管道,所述中空通道的表面固定连接有橡胶套。橡胶套表面的温度也会升高,当抽吸囊受到压力推动时,会将橡胶套内的气体引流出来,并通过送气管道与气囊包产生的气体一起送出去,并吹在橡胶套的表面,从而达到了当外部温度过高时,减少橡胶套膨胀变形的效果；橡胶套膨胀变形会使其硬度变小,刚性减弱,同样会改变预期的工作效果。(The invention relates to the technical field of rubber shock absorption equipment, and discloses rigidity-adjustable rubber shock absorption equipment for an engineering truck, which comprises a tire, wherein a rotating shaft is movably connected inside the tire, a hollow channel is sleeved on the surface of the rotating shaft, a suction pipeline is fixedly connected inside the hollow channel, a suction bag is fixedly connected inside the suction pipeline, an air supply pipeline is fixedly connected inside the hollow channel and positioned on the surface of the suction pipeline, and a rubber sleeve is fixedly connected on the surface of the hollow channel. The temperature of the surface of the rubber sleeve is also increased, when the suction bag is pushed by pressure, the gas in the rubber sleeve is guided out, and is sent out together with the gas generated by the air bag package through the gas sending pipeline and blown to the surface of the rubber sleeve, so that the effect of reducing the expansion deformation of the rubber sleeve when the external temperature is too high is achieved; the expansion deformation of the rubber sleeve can cause the rubber sleeve to have lower hardness and lower rigidity, and the expected working effect can also be changed.)

1. The utility model provides a rubber shock attenuation equipment for machineshop car with adjustable rigidity, includes tire (1), its characterized in that: the inner part of the tire (1) is movably connected with a rotating shaft (2), the surface of the rotating shaft (2) is sleeved with a hollow channel (3), the inner part of the hollow channel (3) is fixedly connected with a suction pipeline (4), the inner part of the suction pipeline (4) is fixedly connected with a suction bag (5), and the inner part of the hollow channel (3) and the surface of the suction pipeline (4) are fixedly connected with an air supply pipeline (6);

the fixed surface of cavity passageway (3) is connected with rubber sleeve (7), the inside fixedly connected with extrusion spring (8) of pivot (2), and one end fixedly connected with backup pad (9) of pivot (2) are kept away from in extrusion spring (8), and one side fixedly connected with gasbag package (10) of extrusion spring (8) are kept away from in backup pad (9).

2. The rigidity-adjustable rubber shock absorption device for engineering vehicles according to claim 1, wherein: the wheel hub (11) is sleeved on the surface of the rotating shaft (2) and inside the tire (1).

3. The rigidity-adjustable rubber shock absorption device for engineering vehicles according to claim 1, wherein: the inner height of the rubber sleeve (7) is connected with a partition plate (12).

4. The rigidity-adjustable rubber shock absorption device for engineering vehicles according to claim 1, wherein: the surface of the hub (11) is provided with air dispersing holes (13).

5. The rigidity-adjustable rubber shock absorption device for engineering vehicles according to claim 1, wherein: one end of the extrusion spring (8) far away from the support plate (9) is fixedly connected with the hollow channel (3).

6. The rigidity-adjustable rubber shock absorption device for engineering vehicles according to claim 1, wherein: the rubber sleeves (7) are symmetrically arranged by taking the rotating shaft (2) as a center.

7. The rigidity-adjustable rubber shock absorption device for engineering vehicles according to claim 1, wherein: the length of the rubber sleeve (7) is smaller than the diameter of the tire (1).

8. The rigidity-adjustable rubber shock absorption device for engineering vehicles according to claim 1, wherein: the elastic force of the pressing spring (8) is smaller than the elastic restoring force of the airbag package (10).

Technical Field

The invention relates to the technical field of rubber shock absorption equipment, in particular to rubber shock absorption equipment for a rigidity-adjustable engineering truck.

Background

Rubber shock absorbers, as an important shock absorbing element, have been widely used in various machines, automobiles, railroad locomotives, water vehicles, airplanes and other aircraft; in particular to a project truck for transporting ultra-high overweight equipment, the special working property of the project truck is that rubber shock absorbers are used more frequently.

The rubber shock absorber is widely applied because of its durable high elasticity, excellent vibration isolation, shock isolation and sound insulation functions, but its nature is rubber, and rubber is easily corroded by temperature, oil, ozone, sunlight and chemical solvent, and its function is easy to age and relax, so its service life is short.

The rubber shock absorber is high in hardness, large in rigidity, large in bearing capacity, low in hardness, low in bearing capacity and low in bearing capacity, the rubber shock absorber is known to be related to the hardness of rubber, namely the rubber shock absorber is high in temperature and low in hardness, and vice versa, and the traditional rubber shock absorber is not provided with a special processing means aiming at the point, so that the shock absorption effect of the rubber shock absorber is inconsistent with the expected shock absorption effect, and therefore the rubber shock absorption equipment for the engineering truck with adjustable rigidity is produced.

Disclosure of Invention

In order to realize the purposes of controlling the rubber temperature and adjusting the rigidity, the invention provides the following technical scheme: the utility model provides a rubber shock attenuation equipment for machineshop car with adjustable rigidity, includes the tire, the inside swing joint of tire has the pivot, and the surface of pivot has cup jointed the cavity passageway, and the inside fixedly connected with suction pipeline of cavity passageway, the inside fixedly connected with suction bag of suction pipeline, the inside of cavity passageway and the fixed surface that is located the suction pipeline are connected with the gas pipeline, the fixed surface of cavity passageway is connected with the rubber sleeve, and the inside fixedly connected with extrusion spring of pivot, the one end fixedly connected with backup pad of pivot are kept away from to the extrusion spring, and one side fixedly connected with gasbag package of extrusion spring is kept away from to the backup pad.

The invention has the beneficial effects that:

1. the device is combined with a tire of the engineering truck and installed on the engineering truck, each component is adjusted according to the pulling weight of the engineering truck, when the temperature of the external environment does not reach the temperature of the change of the rubber sleeve, the pressure inside the rubber sleeve is the same as the pressure inside the suction bag, when the temperature of the external environment is lower than the temperature of the change of the rubber sleeve, the external part of the rubber sleeve shrinks and deforms, so that the pressure inside the rubber sleeve is lower than the pressure inside the suction bag, meanwhile, the air bag package is driven to extrude or stretch the air bag package along with the movement of the engineering truck on the road surface, the air bag package continuously generates air, the air is sucked by the suction bag and enters the rubber sleeve, so as to resist the deformation force of the rubber sleeve, and the effect of reducing the shrinkage and deformation of the rubber sleeve when the external temperature; the rubber sleeve has high hardness and high rigidity due to shrinkage deformation, and the expected working effect is changed.

2. The air bag is continuously stretched and extruded by the extrusion spring, the generated gas can enter the hollow channel, when the external environment temperature is higher than the temperature of the rubber sleeve, the external part of the rubber sleeve expands and deforms, so that the internal pressure of the rubber sleeve is higher than the pressure in the suction bag, the surface temperature of the rubber sleeve is also raised, when the suction bag is pushed by the pressure, the gas in the rubber sleeve is guided out, and is sent out together with the gas generated by the air bag through the gas supply pipeline and blown to the surface of the rubber sleeve, and therefore, the effect of reducing the expansion and deformation of the rubber sleeve when the external temperature is too high is achieved; the expansion deformation of the rubber sleeve can cause the rubber sleeve to have lower hardness and lower rigidity, and the expected working effect can also be changed.

Preferably, the tire is sleeved on the hub in the inner part of the tire and positioned on the surface of the rotating shaft, the width of the tire is 275MM as represented by 175 in 275/50R 3497R, 50 represents that the aspect ratio of the tire section is 50%, namely the section height is 50% of the width, the rim diameter is 34 inches, the load index is 97, and the vehicle speed is R grade.

Preferably, the inner height of the rubber sleeve is connected with a partition plate, so that the excessive deformation of the rubber sleeve is limited.

Preferably, the surface of the hub is provided with air dissipation holes, so that air can be exhausted and dissipated conveniently.

Preferably, one end of the pressing spring, which is far away from the supporting plate, is fixedly connected with the hollow channel.

Preferably, the rubber sleeves are symmetrically placed by taking the rotating shaft as a center, so that the function of assisting in tracking the balance of the tire is achieved.

Preferably, the length of the rubber sleeve is smaller than the diameter of the tire.

Preferably, the elastic force of the pressing spring is smaller than the elastic restoring force of the airbag package, preventing excessive pressing.

Drawings

FIG. 1 is a front view of a tire construction of the present invention;

FIG. 2 is a left side cross-sectional view of the tire structure of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic view of an aspiration bladder of the present invention;

fig. 5 is a schematic structural diagram of the rubber sleeve of the present invention.

In the figure: 1-tire, 2-rotating shaft, 3-hollow channel, 4-suction pipeline, 5-suction bag, 6-air delivery pipeline, 7-rubber sleeve, 8-extrusion spring, 9-support plate, 10-air bag, 11-wheel hub, 12-partition plate and 13-air dispersing hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a rigidity-adjustable rubber shock-absorbing device for a machineshop truck comprises a tire 1, a rotating shaft 2 is movably connected inside the tire 1, a hub 11 is sleeved inside the tire 1 and positioned on the surface of the rotating shaft 2, the tire 1 adopts 275/50R 3497R, 175 represents that the width of the tire 1 is 275MM, 50 represents that the aspect ratio of the section of the tire 1 is 50%, namely the height of the section is 50% of the width, the diameter of a rim is 34 inches, the load index is 97, the using speed is R level, an air-diffusing hole 13 is formed in the surface of the hub 11 to facilitate air exhaust and heat dissipation, a hollow channel 3 is sleeved on the surface of the rotating shaft 2, a suction pipeline 4 is fixedly connected inside the hollow channel 3, a suction bag 5 is fixedly connected inside the suction pipeline 4, an air supply pipeline 6 is fixedly connected inside the hollow channel 3 and positioned on the surface of the suction pipeline 4, and, the rubber sleeve 7 is symmetrically placed by taking the rotating shaft 2 as a center to play a role of helping to track the balance of the tire 1, the length of the rubber sleeve 7 is smaller than the diameter of the tire 1, the inner part of the rubber sleeve 7 is highly connected with the partition plate 12 to play a role of limiting the excessive deformation of the rubber sleeve 7, the inner part of the rotating shaft 2 is fixedly connected with the extrusion spring 8, the elasticity of the extrusion spring 8 is smaller than the elastic restoring force of the air bag packet 10 to prevent the excessive extrusion, when the temperature of the external environment does not reach the temperature of the change of the rubber sleeve 7, the pressure inside the rubber sleeve 7 is the same as the pressure inside the suction bag 5, when the temperature of the external environment is smaller than the temperature of the change of the rubber sleeve 7, the outer part of the rubber sleeve 7 shrinks and deforms to cause the pressure inside to be smaller than the pressure inside the suction bag 5, meanwhile, the extrusion spring 8 can be driven to extrude or stretch, this gas is sucked by the suction bladder 5 and into the rubber sleeve 7, thereby resisting the deforming force of the rubber sleeve 7; when the external environment temperature is greater than the temperature of the rubber sleeve 7, the rubber sleeve 7 is expanded and deformed outside, the pressure in the rubber sleeve 7 is greater than the pressure in the suction bag 5, the suction bag 5 is pushed by the pressure, the gas in the rubber sleeve 7 can be guided out, the gas generated by the gas supply pipeline 6 and the gas generated by the gas bag package 10 are sent out together, the extrusion spring 8 is far away from the supporting plate 9 fixedly connected with one end of the rotating shaft 2, the extrusion spring 8 is far away from one end of the supporting plate 9 and fixedly connected with the hollow channel 3, and the supporting plate 9 is far away from one side of the extrusion spring 8 and fixedly connected with the gas bag package 10.

When the device is used, the device is combined with a tire 1 of a construction truck and installed on the construction truck, the working states of all parts are adjusted according to the pulling weight of the construction truck, when the temperature of the external environment does not reach the temperature of the change of the rubber sleeve 7, the pressure inside the rubber sleeve 7 is the same as the pressure inside the suction bag 5, when the temperature of the external environment is lower than the temperature of the change of the rubber sleeve 7, the external part of the rubber sleeve 7 contracts and deforms, so that the pressure inside the rubber sleeve 7 is lower than the pressure inside the suction bag 5, meanwhile, the extrusion spring 8 is driven to extrude or stretch the air bag package 10 along with the movement of the construction truck on the road surface, the air bag package 10 continuously generates air, the air is sucked by the suction bag 5 and enters the rubber sleeve 7 to resist the deformation force of the rubber sleeve 7, and the effect of reducing the contraction and deformation of the rubber sleeve 7 when the; the rubber sleeve 7 has higher hardness and higher rigidity due to shrinkage deformation, and the expected working effect can be changed; the air bag package 10 is continuously stretched and extruded by the extrusion spring 8, the generated gas can enter the hollow channel 3, when the external environment temperature is higher than the temperature of the rubber sleeve 7, the external part of the rubber sleeve 7 expands and deforms, so that the internal pressure of the rubber sleeve 7 is higher than the pressure in the suction bag 5, the surface temperature of the rubber sleeve 7 can also rise, when the suction bag 5 is pushed by the pressure, the gas in the rubber sleeve 7 can be guided out, and is sent out together with the gas generated by the air bag package 10 through the air supply pipeline 6 and blown to the surface of the rubber sleeve 7, and the effect of reducing the expansion and deformation of the rubber sleeve 7 when the external temperature is too high is achieved; the expansion deformation of the rubber sleeve 7 causes the hardness to be reduced, the rigidity to be weakened, and the expected working effect to be changed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.