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叉車驅動橋殼的檢測與修理!

來源:http://nukkadh.com/ 日期:2019-05-10 發布人:admin

叉車的驅動橋殼,鞏固的裝置在叉車車架上。由于驅動橋和車架是剛性聯接,叉車在叉取貨物或搬運、堆垛作業中,驅動橋將承當大局部重量,而且還有道路不平、叉架載荷不均等的狀況,這樣驅動橋將呈現彎曲、斷裂,半軸套管軸承孔磨損和半軸套管軸頸磨損等損傷。

  The driving axle housing of the forklift truck and the consolidation device are on the forklift truck frame. Because the driving axle and the frame are rigidly connected, the driving axle of forklift truck will bear a large part of the weight in forklift cargo or handling and stacking operations, and the road is uneven and the load of the forklift is uneven. Thus, the driving axle will appear bending, fracture, bearing hole wear of the half-axle sleeve and axle neck wear of the half-axle sleeve.
  叉車驅動橋殼彎曲的檢驗與修理
  Inspection and Repair of Forklift Drive Axle Shell Bending
  (1)驅動橋殼彎曲的檢驗。檢驗前應首先校正半軸及輪轂端平面接觸凸緣的平整度,消弭其端面圓跳動誤差,再將規范半軸裝在驅動橋殼上,校緊軸承,從殼內測試左右半軸的中心位置,判別有無彎曲。兩軸線之差應不大于0.75mm。
  (1) Test of bending of driving axle housing. Before inspection, the flatness of the plane contact flange of the half-axle and hub end should be corrected to eliminate the circular runout error of the end face. Then the standard half-axle should be installed on the driving axle housing, the bearing should be tightened, and the center position of the left and right half-axles should be tested from the shell to determine whether there is bending or not. The difference between the two axes should be no more than 0.75 mm.
  (2)驅動橋殼彎曲超限時應停止校正。校正時,校正變形量應不大于原有彎曲變形量,并將校正壓力堅持一段時間,使橋殼得到一定的塑性變形。假如變形過大,彎曲變形大于2mm時,可預熱后校正、但加熱溫度不允許超越700℃。鑄制的橋殼好防止加熱校正。
  (2) When the bending of the driving axle housing exceeds the limit, the correction should be stopped. When correcting, the corrected deformation should be no more than the original bending deformation, and the corrected pressure should be maintained for a period of time, so that the bridge shell can get a certain plastic deformation. If the deformation is too large and the bending deformation is larger than 2 mm, it can be corrected after heating, but the heating temperature is not allowed to exceed 700 C. Cast axle housing is best prevented from heating correction.
  叉車驅動橋殼斷裂的修理
  Repair of Fracture of Forklift Drive Axle Shell
  驅動橋殼中部裂紋及突緣上裂紋,可用焊接法修復,其操作要點如下:
  The cracks in the middle of the driving axle housing and on the flange can be repaired by welding. The main points of operation are as follows:
  (1)沿裂紋開成90°的v形坡口,其深度為厚度的2/3。
  (1) A 90 degree V-shaped groove is formed along the crack with a depth of 2/3 of the thickness.
  (2)在距裂紋兩末端6-10mm處,各鉆直徑5mm孔。
  (2) At 6-10 mm from the two ends of the crack, each drill has a diameter of 5 mm.
濟南二手叉車
  (3)電焊焊補裂紋,其焊層應高于根本金屬,但不超越1mm。正面焊好后再在背面停止焊補,焊后應將焊縫修平。焊補在工作平面的,其平面度誤差應不大于0.25mm。
  (3) The weld layer should be higher than the base metal, but not more than 1 mm, to repair cracks by welding. After the front welding is finished, the back welding shall be stopped. After welding, the weld shall be repaired flat. The flatness error of weld repair in working plane should be no more than 0.25 mm.
  (4)裂紋焊補后應在裂紋處焊接增強腹板,其厚度普通為4-6mm,增強腹板應與驅動橋殼中心對稱。
  (4) After crack repair, the reinforced web should be welded at the crack. Its thickness is usually 4-6 mm. The reinforced web should be symmetrical with the driving axle housing.
  (5)如裂紋穿透至驅動橋殼蓋或主減速器突緣平面,則在焊補后應另焊增強腹環。驅動橋殼蓋平面的增強腹環可復接于外面,主減速器殼則視內部空間的答應,應復接于內面。焊接增強腹環時,應先用螺栓將增強腹環緊壓于平面上,以免焊接時位置挪動和撓曲。
  (5) If the crack penetrates into the flange plane of the driving axle housing cover or the main reducer, the reinforcing web ring shall be welded after the welding repair. The enhanced belly ring of the driving axle housing cover plane can be connected to the outside, while the main reducer housing should be connected to the inside according to the promise of the inner space. When welding reinforcing abdominal rings, bolts should be used to press the reinforcing abdominal rings tightly on the plane so as not to move and deflect the position during welding.
  (6)焊補增強后的驅動橋殼,要重新停止檢驗其直線度誤差、殼蓋面和主減速器突緣平面的平面度誤差、并校正、修磨到契合規范。
  (6) The straightness error, the flatness error of the shell cover and the flange plane of the main reducer should be re-checked and corrected and repaired to conform to the specifications.

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