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Non-Newtonian fluid triangular vibration damper
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A non-Newtonian fluid, shock absorber technology, applied in spring/shock absorber, non-rotation vibration suppression, vibration suppression adjustment, etc., can solve the problems of operator discomfort, large cutting amount, difficult chip removal, etc. The effect of operability, improving the sense of use, and improving the utilization rate
Pending Publication Date: 2020-12-29
NANJING VOCATIONAL UNIV OF IND TECH
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[0002] Drilling is common in various mechanical processing operations, and the drilling operation has the characteristics of large cutting volume, difficult chip removal, and easy vibration, which is likely to bring discomfort to the operator
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Embodiment 1
[0028]Such asfigure 1 ,figure 2 As shown, the present invention relates to a non-Newtonian fluid triangular shock absorber, including a damping bearing device 1, a connecting device 2, and a damping device 3; the damping bearing device 1 includes a deep groove ball bearing 10, a deep groove ball bearing The inner wall ring of the inner ring of 10 is provided with a stretched box 11, and three hollow rubber shells 12 are arranged at equal distances along the circumferential direction in the stretched box 11, and each rubber shell 12 is close to the inner wall of the outer ring of the deep groove ball bearing 10 The first spring 13 is fixedly connected with the other end of each first spring 13 is connected with a lock catch 14 for connecting the drill chuck of the drill rig. The end of the lock catch 14 away from the first spring 13 penetrates the rubber casing 12 and the extension box in turn The rubber housing 12 is filled with non-Newtonian fluid, the damping bearing device 1 is c...
Embodiment 2
[0035]Such asimage 3 ,Figure 4 ,Figure 5As shown, the difference between embodiment 2 and embodiment 1 is that on the basis of embodiment 1, a second baffle 36 and a slider 37 are added to the damping rod 30, and the specific damping device 3 also includes The second baffle 36 is horizontally movably arranged at the top of the second spring 34, the top of the second spring 34 is fixedly connected to the bottom of the second baffle 36, and the bottom of the second spring 34 is fixedly connected to the top of the first baffle 33, so The second baffle plate 36 is provided with sliding blocks 37 on the inner walls at both ends of the upper cavity of the upper end, and inner sliding grooves for sliding the sliding blocks 37 up and down are provided on the inner walls of both ends of the upper cavity. The side wall at one end of the ring 20 is provided with a through hole 230 matching the slider 37.
[0036]The implementation method of this embodiment: draw the end of the connecting column 2...
Embodiment 3
[0038]Such asFigure 4 ,Figure 5As shown, in Embodiment 3, on the basis of Embodiment 1 or Embodiment 2, the connecting column 21 is arranged in a telescopic structure, which improves the operability of the processing body space when the drill is working, and further improves the non-Newtonian Utilization rate of fluid triangle damper.
[0039]Specifically, each connecting column 21 includes an outer connecting column 210 connected to the peripheral wall of the outer ring 20 and an inner connecting column 220 that can expand and contract within the outer connecting column 210, and one end of each inner connecting column 220 away from the outer connecting column 210 is It can move up and down in the damping rod 30. Specifically, the outer connecting column 210 and the inner connecting column 220 are both provided with a matching limit hole 240, and the position is limited by a taper pin or a buckle.
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Abstract
The invention discloses a non-Newtonian fluid triangular vibration damper which comprises a vibration damping bearing device, a connecting device and a vibration damping device. The vibration dampingbearing device comprises a deep groove ball bearing, an extension box body, a first spring and a lock catch; the vibration damping bearing device is used for being connected with a drill chuck of a drilling machine, so that a vibration damping effect in the horizontal direction is achieved under the condition that the normal work of the drilling machine is guaranteed; the connecting device comprises a circular ring, an outer connecting column and an inner connecting column, so that a vertical movement effect is output under the condition that the normal work of the drilling machine is guaranteed, and a machined body containing space is accurately controlled; and the vibration damping device comprises a vibration damping rod, a vibration damping pad, a first baffle, a second spring and an upper end cover, so that the vibration in the vertical direction is reduced under the condition that the normal work of the drilling machine is guaranteed, and a good road holding performance is guaranteed. According to the non-Newtonian fluid triangular vibration damper provided by the invention, the vibration in the horizontal direction and the vertical direction is relieved, the use feeling of an operator is improved, and the vibration damper can be used for vibration damping of household electric drills and drilling machine equipment and is high in applicability and wide in available range.
Description
Technical field[0001]The invention relates to the field of vibration reduction, in particular to a non-Newtonian fluid triangular vibration damper.Background technique[0002]Drilling is common in various machining operations, and the drilling operation has the characteristics of large cutting volume, difficult chip removal, and easy vibration. It is easy to cause discomfort to the operator and also affect the accuracy of related processing parts. What's more, safety accidents may be caused by the breakage of the drill bit and flying out. Therefore, reducing the vibration of the drilling equipment is an important task in the current machining field.Summary of the invention[0003]In order to solve the above-mentioned problems in the prior art, the purpose of the present invention is to provide a non-Newtonian fluid triangle shock absorber, which can reduce the horizontal and vertical vibration while ensuring the normal operation of the drilling equipment, and improve the use of the oper...
Claims
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Application Information
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