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1236results about How to "Insert smoothly" patented technology

Battery connector

An electrical connector is provided which includes an insulating housing having at least one terminal receiving portion formed by a first insert groove and a second insert groove communicated with the and first a second insert groove, and a conductive terminal received in said at least one terminal receiving portion and including a body, a connecting arm, a connecting portion and a conducting portion. The second insert groove has a first end. The body is located in the first insert groove, and has a first side and a second side opposite to the first side. The connecting extends transversely from the second side of the body in a direction distal to the first side of the body. The connecting portion extends from the first side of the body in a direction distal to the second side of the body, and can achieve electrical connection with a circuit board. The conducting portion extends upwardly from a free end of the connecting arm into the second insert groove. The conducting portion includes a guiding portion which extends from the second insert groove to the first insert groove and which is proximate to the first end of the second insert groove, and a contact portion which is farther away from the first end than the guiding portion such that the conducting portion can achieve electrical contact with a matching terminal inserted via the first end of the second insert groove into the second insert groove. Thus, insertion of the electrical connector is smooth; the normal contact force of the conductive terminal can be increased; and poor electrical contact can be effectively prevented.
Owner:MOLEX INC

Construction method for deformation control via horizontal whirling jet grouting of long cantilever in soft-rock tunnel

The invention discloses a construction method for deformation control via the horizontal whirling jet grouting of a long cantilever in a soft-rock tunnel. The method comprises the following steps of: (1) drilling on the periphery of a dug outline, carrying out the whirling jet grouting while retreating a drill stem, and lowering a first profile component after the whirling jet grouting to form a first profile pile body; (2) repeating the step (1) to construct a first curtain system; (3) drilling on a tunnel face designed in a tunnel, carrying out the whirling jet grouting while retreating the drill stem, lowering a second profile component after the whirling jet grouting to form a second profile pile body; (4) repeating the step (3) to construct a second core earth reinforcing system; (5) carrying out the mechanical digging and initial supporting on a large section; (6) drilling in the arch springing position of middle and lower steps obliquely towards the lower direction of the tunnel at 30-45 degrees, lowering a third profile component to form a third profile pile body; and (7) repeating the step (6) to construct a locking whirling jet grouting pile stabilization system. According to the construction method, the advanced reinforcement of a horizontal whirling jet grouting pile with a highly strong tunnel outline, the binding and deforming effect of a tunnel face glass fiber anchor stem, and the anchoring of the locking whirling jet grouting pile are utilized, and the deformation of rock-soil is effectively controlled.
Owner:北京中铁瑞威基础工程有限公司
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