4results about How to "Fasten" patented technology

The invention discloses a shear fork type lifting crossing frame, and relates to the technical field of crossing frames, the shear fork type lifting crossing frame comprises two groups of crossing assemblies which are respectively arranged on two sides of a crossed cable, each crossing assembly comprises at least two support frames which can do lifting motion along the vertical direction, and the top of each support frame is rotatably provided with a swing arm; a plurality of blocking ropes are arranged between any two adjacent swing arms capable of swinging along the horizontal direction, so that the two adjacent swing arms and the plurality of blocking ropes jointly form a single blocking net. The device is novel in design and easy to operate, through the arrangement of the two sets of crossing assemblies, the two opposite single blocking nets in the two sets of crossing assemblies can be arranged on the two sides of a spanned cable respectively, and the two single blocking nets can be converted from an initial storage state to an unfolding state during working; and the two single blocking nets can be well buckled, so that the two groups of spanning assemblies are constructed into a stable whole, and a good lifting protection effect on a walking wire is achieved.

The present invention discloses a snap-fit ​​device, including a snap-fit ​​frame, a fixed plate, a clamp fixing assembly, a first plug installation shaft, an expansion assembly and a push assembly; the fixed plate is fixed on the snap-fit ​​frame, and the fixed plate is arranged vertically; the fixed plate is used to fix the supporting clamp, and the clamp fixing assembly is fixed on the right side of the fixed plate; the first plug installation shaft is arranged on the snap-fit ​​frame, the first plug installation shaft can slide left and right relative to the snap-fit ​​frame, the first plug installation shaft extends in the left and right directions, and the first plug installation shaft is used to insert the plug; the expansion assembly is arranged on the first plug installation shaft, the expansion assembly is used to position the through hole on the supporting clamp, and the expansion assembly is used to position the core of the film roll; the push assembly is arranged on the snap-fit ​​frame, and the push assembly is driven to connect the first plug installation shaft. The present invention can realize the snap-fitting of the supporting clamp and the plug into the core of the film roll.

The utility model discloses fire-fighting equipment with a quick connecting structure, which belongs to the technical field of fire-fighting equipment with quick connecting structures, and is characterized by comprising a limiting mechanism and a connecting mechanism, the limiting mechanism comprises a limiting groove, a limiting pipe, a clamping port and a fire hydrant body, and the connecting mechanism comprises a sliding component and a clamping component. By arranging the limiting mechanism and the connecting mechanism, the limiting groove can limit the sliding assembly under the fixation of the limiting pipe and can assist in guiding the sliding assembly to the clamping opening, and the limiting pipe can fix the limiting groove and the clamping opening, so that the sliding assembly and the clamping assembly are fixed more firmly through the limiting groove and the clamping opening; the fire hydrant body can fix the limiting pipe, the sliding assembly can fix the clamping assembly, the stability of the clamping assembly during use can be improved, the clamping assembly can be guided by the sliding assembly to fix the sliding assembly through the clamping opening, and therefore positioning and rotating are avoided.

The utility model relates to the technical field of angle aluminium fixing, and disclose a kind of fixing device for angle aluminium, including bottom plate, the top of bottom plate is equipped with first base, first base right side equidistance is equipped with first mount, second base is rotatably connected by first stud and nut in first mount, the top of first base and second base is equipped with sliding block.This fixing device for angle aluminium, washer is installed between first mount, and the washer of rubber material can make cooperation more fastening, affect the stability of structure, the other end of spring is connected with first mounting block, spring can absorb impact force, third stud is screw-connected in the top of first mounting block, and third stud is first mounting block and can compress angle aluminium, improve stability, recess is provided on the surface of second mount, can improve clamping force, second mounting block is made of rubber, and second mounting block can prevent angle aluminium from loosening on fixing device.