1. 電動(dòng)扳手主要采用兩級(jí)行星齒輪機(jī)構(gòu)。
1. Electric wrench mainly adopts two-stage planetary gear mechanism.
電機(jī)旋轉(zhuǎn)驅(qū)動(dòng)高速行星齒輪機(jī)構(gòu)的太陽(yáng)輪，齒環(huán)與殼體固定連接，通過(guò)拉桿將扭矩傳遞給低速行星齒輪機(jī)構(gòu)的太陽(yáng)輪。低速行星齒輪機(jī)構(gòu)的齒輪環(huán)與傳感器連接，通過(guò)傳感器固定在殼體上。同時(shí)，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，建議測(cè)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(dòng)扭矩扳手
Electric Torque Spanner
2. 由于扳手頭是旋轉(zhuǎn)的，不能直接將應(yīng)變片固定在扳手頭上，否則會(huì)纏繞在扳手頭周圍，導(dǎo)致斷線。采用集電環(huán)裝置，扳手尺寸提升，成本高，測(cè)量精度低。為此，我們利用行星齒輪機(jī)構(gòu)的動(dòng)態(tài)并聯(lián)特性，將傳感器彈性體的一端與齒輪環(huán)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(gè)應(yīng)變計(jì)，使它能感覺(jué)到齒輪環(huán)的扭矩。因此，只要確定低速級(jí)行星齒輪機(jī)構(gòu)中齒輪環(huán)(傳感器)與拉桿之間的扭矩關(guān)系，就可以通過(guò)監(jiān)測(cè)齒輪環(huán)的扭矩，間接測(cè)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(dòng)扭矩扳手
Electric Torque Spanner
由于采用行星齒輪機(jī)構(gòu)，電動(dòng)扳手傳動(dòng)功率大，扭矩輸出穩(wěn)定，沖擊小，易于實(shí)現(xiàn)對(duì)扭矩和速度的控制，因此電動(dòng)扳手的應(yīng)用越來(lái)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(dòng)扳手扭矩分析如上所述,電動(dòng)扳手是通過(guò)低速扭矩減少系桿的行星齒輪機(jī)構(gòu)的輸出,與扭矩傳感器齒圈,因此,實(shí)現(xiàn)控制的扭矩扳手,建議找到系桿的轉(zhuǎn)矩齒圈和星齒輪機(jī)構(gòu)之間的關(guān)系解決了電力傳輸扳手和旋轉(zhuǎn)軸扭矩測(cè)量問(wèn)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(jī)構(gòu)驅(qū)動(dòng)的電動(dòng)扳手具有比氣動(dòng)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
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Above is the relevant content of the electric torque wrench manufacturer for you, hope to help you, our website is http://www.lvhe888.com, welcome your attention.
