Light machine tail buffer device for coal mine roadheader
A buffer device and fully mechanized excavator technology, applied in the direction of slitting machinery, mechanical equipment, springs/shock absorbers, etc., can solve problems such as high man-hour consumption, broken ropes and injuries, and frequent belt extension of fully mechanized excavators. Improve construction efficiency, ensure construction safety, and reduce the difficulty of pulling and transporting
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Embodiment 1
[0034] refer to Figure 1 to Figure 2 , a light-duty tail buffer device for fully mechanized mining machines in coal mines, comprising a base 1, clamps 2 are fixedly connected to both sides of the upper end of the base 1, and an I-shaped steel runway 3 is fixedly connected to the upper end of the clamp 2, and the I-shaped A buffer mechanism 4 is installed on the upper surface of the steel runway 3 .
[0035] The buffer mechanism 4 includes a support arm 41, a limit block 42, a rotary joint 43, a connecting rod 44, a chute 45, a slide block 46, a push rod 47, a return spring 48, and a block 49. The specific connection method is as follows:
[0036] Both sides of the bottom end of the idler frame 5 are connected with a connecting rod 44 through the rotating joint 43, and the end of the connecting rod 44 away from the rotating joint 43 is rotatingly connected with a slider 46 and a push rod 47. The top of the I-beam runway 3 is provided with Chute 45, slide block 46 is slidably ...
Embodiment 2
[0053] Embodiment 2 On the basis of Embodiment 1, a vibration-absorbing member 73 is further provided. The arrangement of the vibration-absorbing member 73 can greatly increase the anti-vibration performance of the roller 7 .
[0054] At least one vibration absorber 73 is arranged radially inside the cavity 725;
[0055] Vibration-absorbing elastic metal 731, the elastic metal 731 uses a spring, and the two sides of the elastic metal 731 are fixedly connected to the outer partition 722 and the inner partition 712 through the connecting block 732 respectively.
[0056] When the idler 7 vibrates under the action of external force, the idler 7 drives the vibration absorber 73 to perform forced vibration. When the external force gradually increases, until the vibration frequency of the idler 7 is the same as the natural frequency of the elastic metal 731, the elasticity The metal 731 resonates, absorbs most of the vibration energy of the idler 7 in the resonance, and converts this...
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