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Preparation method of vibration exciting beam of pavement crushing vehicle

A technology of exciting beams and beam bodies, which is applied in the field of preparation of exciting beams for road crushing vehicles, and can solve the problems of difficult connection of other components and high processing difficulty

Active Publication Date: 2020-01-07
YICHANG JIANGXIA MARINE MACHINERY +1
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  • Application Information

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Problems solved by technology

Chinese patent document CN109371794A describes an excitation beam for road crushing vehicles, which overcomes the influence of the fatigue deformation of the excitation beam on the strength by adopting a multi-layer structure. The existing problems are that the processing difficulty is too high, and the fixed connection with other components more difficult

Method used

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  • Preparation method of vibration exciting beam of pavement crushing vehicle
  • Preparation method of vibration exciting beam of pavement crushing vehicle
  • Preparation method of vibration exciting beam of pavement crushing vehicle

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Embodiment Construction

[0036] Such as Figure 1~3 Among them, the specific structure of the cement pavement crushing vehicle is: one end of the excitation beam 1 is connected to the breaking hammer 3, and the other end of the excitation beam 1 is connected to the excitation source 10;

[0037] The second hinge pin 11 close to the excitation source 10 is hinged with the car body 6 through the tire hinge 9;

[0038] The first hinge pin 2 close to the breaker 3 is hinged to the supporting plate 8 through the connecting rod 4, and the end of the supporting plate 8 away from the connecting rod 4 is hinged to the vehicle body 6;

[0039] The position in the middle of the supporting plate 8 is hinged with one end of the lifting cylinder 7, and the other end of the lifting cylinder 7 is hinged with the car body 6. The preferred solution is as figure 2 Among them, the supporting plate 8 is also provided with a counterweight 5, and the midline of the counterweight 5 is flush with the connecting rod 4. Thr...

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Abstract

The invention provides a preparation method of a vibration exciting beam of a pavement crushing vehicle. The preparation method comprises the steps of 1, casting and molding a beam body in a mold cavity; 2, hot forging the beam body; 3, tempering the beam body; 4, finishing the beam body to a preset size, and rounding all broken line positions; and 5, lapping the surface of the beam body to ensurethat the surface roughness is lower than Ra1.6 [mu]m, thereby obtaining the vibration exciting beam of the pavement crushing vehicle through the steps. By adopting the scheme, the service life of thevibration exciting beam under the vibration working condition can be greatly prolonged. The broken line positions of the beam body are all of rounded structures, and micro cracks can be prevented from being generated as fracture source regions. The vibration exciting beam has low surface roughness by adopting a surface lapping process, and the micro cracks under the vibration working condition can be avoided.

Description

technical field [0001] The invention relates to the field of cement pavement crushing construction equipment, in particular to a method for preparing an excitation beam of a pavement crushing vehicle. Background technique [0002] At present, the equipment used for crushing cement pavement includes single-hammer type, door-knife type and multi-hammer type equipment for crushing. When crushing, it will exert a strong impact on the ground, make noise, and it is difficult to meet the requirements of crushing depth and crushing quality. High energy consumption and low efficiency. [0003] Chinese patent document CN206052519U describes a cement concrete pavement resonance crusher, which crushes the pavement by adopting a resonance mode, with low noise and high efficiency. The cement concrete pavement is crushed by using this vibration excitation method, and the part transmitting the excitation vibration is an excitation beam, and the excitation beam is easy to break under the wo...

Claims

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Application Information

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IPC IPC(8): B23P15/00E01C23/12
CPCB23P15/00E01C23/12
Inventor 何明丁君海黑保江王军刘志东姜归鹤彭晶
Owner YICHANG JIANGXIA MARINE MACHINERY
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