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Assembly type stretchable steel bar straight thread connecting device and connecting method thereof
The invention provides an assembly type stretchable steel bar straight thread connecting device. The assembly type stretchable steel bar straight thread connecting device comprises a first thread sleeve, a second thread sleeve and a connecting sleeve. Internal threads of the first thread sleeve and the second thread sleeve are used for being screwed with external threads of a first steel bar thread head and a second steel bar thread head to form a first thread pair and a second thread pair correspondingly. External threads of the first thread sleeve are screwed with internal threads of the connecting sleeve to form a third thread pair. A conical hole is formed in one end of the connecting sleeve, and the diameter size of the conical hole is gradually reduced from inside to outside. A first conical face is arranged at one end of the outer side face of the second thread sleeve, and the first conical face and the conical hole of the connecting sleeve are equal in taper and make contact. The invention further discloses an assembly type stretchable steel bar straight thread connecting method. According to the assembly type stretchable steel bar straight thread connecting device and the assembly type stretchable steel bar straight thread connecting method, under the conditions that two steel bars cannot move in the radial direction and the axial direction and cannot rotate, and deviation dislocation exists in spiral lines of threads of the two steel bar thread heads, reliable connection between the two steel bars is achieved, and prestress tension is applied.
一种装配式可张拉钢筋直螺纹连接装置，包括第一螺套、第二螺套和连接套筒。第一螺套和第二螺套的内螺纹分别用于与第一钢筋丝头和第二钢筋丝头的外螺纹相旋合形成第一螺纹副和第二螺旋副，第一螺套的外螺纹与连接套筒的内螺纹相旋合形成第三螺纹副；连接套筒的一端设有圆锥孔，圆锥孔的直径尺寸由内向外逐渐减小；第二螺套的外侧面的一端设有第一圆锥面，第一圆锥面与连接套筒的圆锥孔锥度相等且相接触。本发明还公开了一种装配式可张拉钢筋直螺纹连接方法。本发明能在两根钢筋不能沿径向和轴向移动、不能转动、且两根钢筋丝头螺纹的螺旋线存在偏差错位的情况下，实现两根钢筋之间的可靠连接，并施加预应力张拉力。
Assembly type stretchable steel bar straight thread connecting device and connecting method thereof
The invention provides an assembly type stretchable steel bar straight thread connecting device. The assembly type stretchable steel bar straight thread connecting device comprises a first thread sleeve, a second thread sleeve and a connecting sleeve. Internal threads of the first thread sleeve and the second thread sleeve are used for being screwed with external threads of a first steel bar thread head and a second steel bar thread head to form a first thread pair and a second thread pair correspondingly. External threads of the first thread sleeve are screwed with internal threads of the connecting sleeve to form a third thread pair. A conical hole is formed in one end of the connecting sleeve, and the diameter size of the conical hole is gradually reduced from inside to outside. A first conical face is arranged at one end of the outer side face of the second thread sleeve, and the first conical face and the conical hole of the connecting sleeve are equal in taper and make contact. The invention further discloses an assembly type stretchable steel bar straight thread connecting method. According to the assembly type stretchable steel bar straight thread connecting device and the assembly type stretchable steel bar straight thread connecting method, under the conditions that two steel bars cannot move in the radial direction and the axial direction and cannot rotate, and deviation dislocation exists in spiral lines of threads of the two steel bar thread heads, reliable connection between the two steel bars is achieved, and prestress tension is applied.
一种装配式可张拉钢筋直螺纹连接装置，包括第一螺套、第二螺套和连接套筒。第一螺套和第二螺套的内螺纹分别用于与第一钢筋丝头和第二钢筋丝头的外螺纹相旋合形成第一螺纹副和第二螺旋副，第一螺套的外螺纹与连接套筒的内螺纹相旋合形成第三螺纹副；连接套筒的一端设有圆锥孔，圆锥孔的直径尺寸由内向外逐渐减小；第二螺套的外侧面的一端设有第一圆锥面，第一圆锥面与连接套筒的圆锥孔锥度相等且相接触。本发明还公开了一种装配式可张拉钢筋直螺纹连接方法。本发明能在两根钢筋不能沿径向和轴向移动、不能转动、且两根钢筋丝头螺纹的螺旋线存在偏差错位的情况下，实现两根钢筋之间的可靠连接，并施加预应力张拉力。
Assembly type stretchable steel bar straight thread connecting device and connecting method thereof
一种装配式可张拉钢筋直螺纹连接装置及其连接方法
CHU HONGDAO (author)
2021-11-23
Patent
Electronic Resource
Chinese
IPC:
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
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