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電動扭矩扳手中行星齒輪機有什么作用

來源:http://29xue.com 日期:2019-06-21 發布人:admin

  1. 電動扳手主要采用兩級行星齒輪機構。

  1. Electric wrench mainly adopts two-stage planetary gear mechanism.
  電機旋轉驅動高速行星齒輪機構的太陽輪,齒環與殼體固定連接,通過拉桿將扭矩傳遞給低速行星齒輪機構的太陽輪。低速行星齒輪機構的齒輪環與傳感器連接,通過傳感器固定在殼體上。同時,扭矩從拉桿傳遞到扳手頭,扳手頭用于擰緊螺栓。為了控制力矩扳手的扭矩,必須測量扳手頭的扭矩。
  The motor rotates to drive the solar wheel of the high-speed planetary gear mechanism. The gear ring is fixed to the shell, and the torque is transmitted to the solar wheel of the low-speed planetary gear mechanism through the tie rod. The gear ring of the low-speed planetary gear mechanism is connected with the sensor and fixed on the shell by the sensor. At the same time, the torque is transferred from the tie rod to the wrench head, which is used to tighten the bolt. In order to control the torque of the torque wrench, it is necessary to measure the torque of the wrench head.
  電動扭矩扳手
  Electric Torque Spanner
電動扭矩扳手
  2. 由于扳手頭是旋轉的,不能直接將應變片固定在扳手頭上,否則會纏繞在扳手頭周圍,導致斷線。采用集電環裝置,扳手尺寸增大,成本高,測量精度低。為此,我們利用行星齒輪機構的動態并聯特性,將傳感器彈性體的一端與齒輪環低速嚙合,另一端與殼體用銷固定連接。彈性體上附加了一個應變計,使它能感覺到齒輪環的扭矩。因此,只要確定低速級行星齒輪機構中齒輪環(傳感器)與拉桿之間的扭矩關系,就可以通過監測齒輪環的扭矩,間接測量扳手頭的扭矩。
  2. Because the wrench head is rotating, strain gauge can not be fixed directly on the wrench head, otherwise it will be wound around the wrench head, resulting in wire breakage. With collector ring device, the size of wrench increases, the cost is high and the measurement accuracy is low. For this reason, we use the dynamic parallel characteristic of planetary gear mechanism to engage one end of the sensor elastomer with the gear ring at low speed and the other end with the pin fixed connection of the shell. A strain gauge is attached to the elastomer to enable it to sense the torque of the gear ring. Therefore, as long as the torque relationship between the gear ring (sensor) and the tie rod in the low-speed planetary gear mechanism is determined, the torque of the wrench can be indirectly measured by monitoring the torque of the gear ring.
  電動扭矩扳手
  Electric Torque Spanner
  由于采用行星齒輪機構,電動扳手傳動功率大,扭矩輸出穩定,沖擊小,易于實現對扭矩和速度的控制,因此電動扳手的應用越來越廣泛。
  Because of the planetary gear mechanism, the electric wrench has the advantages of high transmission power, stable torque output, small impact and easy to realize the control of torque and speed, so the application of electric wrench is more and more widely.
  3.電動扳手扭矩分析如上所述,電動扳手是通過低速扭矩減少系桿的行星齒輪機構的輸出,與扭矩傳感器齒圈,因此,實現控制的扭矩扳手,必須找到系桿的轉矩齒圈和星齒輪機構之間的關系解決了電力傳輸扳手和旋轉軸扭矩測量問題。原理新穎,裝置可靠。
  3. Torque analysis of electric wrench as mentioned above, electric wrench reduces the output of planetary gear mechanism of tie rod through low-speed torque, and the gear ring of torque sensor. Therefore, in order to realize the control of torque wrench, it is necessary to find the relationship between the torque ring of tie rod and star gear mechanism to solve the problem of torque measurement of power transmission wrench and rotating shaft. The principle is novel and the device is reliable.
  由行星齒輪機構驅動的電動扳手具有比氣動扳手更大的擰緊力矩和更小的沖擊。
  The electric wrench driven by planetary gear mechanism has larger tightening moment and smaller impact than the pneumatic wrench.
  以上是電動扭矩扳手廠家為大家整理的相關內容,希望能幫到大家,我們的網站是http://29xue.com,歡迎大家的關注。
  Above is the relevant content of the electric torque wrench manufacturer for you, hope to help you, our website is http://29xue.com, welcome your attention.

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