35results about How to "Stable and safe clamping" patented technology

The invention relates to a welding fixture for an automotive dashboard beam assembly. The welding fixture comprises a clamping table, wherein a beam left-side bracket assembly clamping frame is arranged on the left side of the clamping table; a left beam clamping frame is arranged on the right side of the beam left-side bracket assembly clamping frame; a steering pipe column lower mounting bracket assembly clamping frame is arranged in the right front of the left beam clamping frame; a steering pipe column upper mounting bracket clamping frame is arranged at the right back of the left beam clamping frame; a middle air outlet pipe mounting bracket clamping frame is arranged in the right front of the steering pipe column upper mounting bracket clamping frame; an air outlet positioning frame is arranged at the right back of the middle air outlet pipe mounting bracket clamping frame; a clamping frame of a box body mounting bracket inside a glove box is arranged on the right side of the air outlet positioning frame; a PAB mounting bracket clamping frame is arranged behind the clamping frame of the box body mounting bracket inside a glove box. The welding fixture for the automotive dashboard beam assembly has the advantages of convenience in adjustment, safety and reliability in clamping, accuracy in positioning and the like. A No.3 left push rod and a No. 3 right push rod are convenient for a user to perform manual positioning in a manual reciprocating manner of the No.3 left push rod.

The invention relates to a system for safety detection of working reliability of a mortar projectile series fuze, belonging to the technical field of fuze performance test devices. The system comprises a linear inertia safety analog liberation subsystem for releasing a fuze back seat safety mechanism, and a turbine safety fuze blowing detonation subsystem for releasing a fuze turbine safety mechanism and striking to detonate the fuze. By using the system provided by the invention, the static simulation of the environmental force on the fuze during live firing can be simulated in a test room, so that the basic judgment of the safety release action reliability and ignition reliability of a tested fuze can be finished, and a live firing test can be partially replaced.

The invention relates to a motor shaft replacing tool and a shaft replacing method thereof. A fixing framework of the shaft replacing tool consists of an upper press plate (5), a lower press plate (7) and a pull rod (2), wherein the upper press plate (5) and the lower press plate (7) are symmetrical and are provided with center holes. The diameter of the center holes of the upper press plate and the lower press plate is not smaller than the diameter of a motor rotary shaft. The insides of the upper press plate and the lower press plate are symmetrically provided with clamping pieces (6) which are arranged besides the center holes, and the height of the clamping pieces is higher than a winding end (3) of a motor rotor. The shaft replacing method has the following steps of: sheathing the upper press plate and the lower press plate on the motor rotary shaft from both ends of the rotor through the center holes; clamping a rotor core by the clamping pieces; disassembling an axial positioning circular key from the motor rotary shaft; pressing the motor rotary shaft out; pressing the new motor rotary shaft into the center holes of the lower press plate, the rotor core and the upper press plate; installing the axial positioning circular key; and disassembling the shaft replacing tool. The invention is convenient to replace the rotary shaft of the motor rotor, is difficult to damage the winding insulation of the motor rotor, and is safe and reliable.

The invention relates to a coiled material packaging mechanism and bundling device and an application method and recovery method of the coiled material bundling device. The coiled material packaging mechanism comprises end covers suitable for clamping and fixing a coiled material from the shaft ends of a winding shaft of the coiled material and a tray suitable for supporting the end covers from the bottom faces. The coiled material packaging mechanism and bundling device and the application method and recovery method of the coiled material bundling device have the technical effects that cost is reduced, demounting and mounting are convenient, the application range is wide, and the service life is long.

The invention discloses a turnover type medical oxygen bottle carrier convenient to load and unload. Two wheels are installed on the two sides of a vehicle frame, two universal trundles are installed on the rear side of the vehicle frame, the front ends of four arms are each provided with a clamping plate, the rear sides of the four arms are all rotationally connected with an overturning frame, a first connecting rod is rotationally connected with a second arm and a fourth arm, and a second connecting rod is rotationally connected with a third arm and a fourth arm. The second connecting rod is rotatably connected with the first arm and the third arm, the turnover frame is rotatably connected with the frame, the hydraulic pipe communicates with the hydraulic pump and the hydraulic cylinder, the hydraulic cylinder can be stretched by stepping on the pedal, the first connecting rod and the second connecting rod are driven by the transverse groove rod to move upwards, and therefore the oxygen bottle is clamped by the four clamping plates, and the thrust of the hydraulic cylinder can be removed by stepping on the pressure release valve. A first spring and a second spring can pull a first connecting rod and a second connecting rod downwards, four clamping plates release the clamping of the oxygen bottle, a turnover frame swings forwards to enable two front supporting wheels to be in contact with the ground, at the moment, the clamping and releasing processes of the oxygen bottle are achieved, and the turnover frame swings backwards and is locked to achieve the transportation of the oxygen bottle.

The invention discloses an electric cable device, which comprises a main body and an inner cavity arranged in the main body and penetrated through from the front part to the back part; vertical stands are fixedly mounted on four corners of the bottom part of the main body, and the bottom part of every vertical stand is provided with an adjusting slot with a downward opening; a matching thread in the adjusting slot is in fit connection with a screw foot, and the bottom part of the screw foot is fixedly equipped with a balance foot; a first concaved arc slot is arranged in the side wall of the bottom side of the inner cavity, a left sliding groove and a right sliding groove are equally arranged on the top part of a left side wall and the top part of a right side wall of the inner cavity respectively; a combining groove for connecting the left sliding groove with the right sliding groove is arranged in the top side wall of the inner cavity. The electric cable device is reasonable in structure, simple in operation, and convenient to move; the cable clamping is safe and stable without offset, so that the subsequent head peeling work of the cable can be carried out conveniently; meanwhile, the electric cable device can clamp cables with different thicknesses, the clamping and fixing cost of the cable is greatly reduced; therefore, the electric cable device is suitable for popularize and use.

The invention discloses a duplex medical oxygen bottle carrier. Two wheels are installed on the two sides of a frame, three universal trundles are installed on the rear side of the frame, the front ends of four arms in each clamping mechanism are each provided with a clamping plate, the rear sides of the four arms in each clamping mechanism are rotationally connected with a turnover frame, a first connecting rod is rotationally connected with a second arm and a fourth arm, and a second connecting rod is rotationally connected with a third arm and a fourth arm. The second connecting rod is rotationally connected with the first arm and the third arm, the two clamping mechanisms are rotationally connected with the frame, the hydraulic pump communicates with the two hydraulic cylinders, the hydraulic cylinders can stretch by treading a pedal, a transverse groove rod drives the first connecting rod and the second connecting rod to move upwards, and therefore four clamping plates clamp the oxygen bottle; a pressure release valve is treaded to relieve thrust of a hydraulic cylinder, a first spring and a second spring pull a first connecting rod and a second connecting rod downwards, four clamping plates release clamping of the oxygen bottle, a clamping mechanism swings forwards to enable a front supporting wheel to make contact with the ground, and the process of clamping and releasing the oxygen bottle is achieved. After the clamping mechanism swings backwards and is locked, the oxygen bottle can be transferred.

The invention discloses a clamp device for an automobile ABS brake valve, comprising a bottom plate. The bottom end of the bottom plate is provided with a rotating support mechanism, a placing block is fixedly connected to the side wall of the upper end of the bottom plate, a first placing groove is formed in the side wall of the upper end of the placing block, a second placing groove is formed inthe inner wall of the first placing groove, a clamping mechanism is arranged on the placing block, a cylinder is fixedly connected to the side wall of the upper end of the bottom plate, the output end of the cylinder is fixedly connected to a first concave block, and a pressing mechanism is disposed above the placing block. The clamp device for an automobile ABS brake valve has the advantages ofsimple structure, simple operation, time and labor saving, not only clamping the brake valve from the side direction, but also clamping the brake valve from top to bottom, so that the clamping and fixing of the brake valve is more stable. By using the clamp device, the brake valve can be rotated and processed at different angles according to different requirements, thereby improving the processingefficiency of the brake valve.

The invention discloses a new type of power cable device, which comprises a body and an inner cavity arranged in the body and penetrating front and back, feet are fixedly installed on the four corners of the bottom of the body, and each foot bottom is provided with An adjustment slot with the opening facing downwards, the screw matching thread in the adjusting slot is connected with a screw matching foot, the bottom of the screw matching foot is fixedly installed with a balance foot, and the bottom wall of the inner cavity is provided with a first concave arc The top of the left wall of the inner cavity and the upper part of the right wall are respectively provided with a left slide groove and a right slide groove, and the top side wall of the inner cavity is provided with a passage connecting the left slide groove and the right slide groove. The structure of the present invention is reasonable, the operation is simple, the handling is convenient, the clamping of the cable is safe and stable, the cable will not shift, and the peeling operation of the subsequent head of the cable is convenient. At the same time, cables of different thicknesses can be clamped, which greatly reduces the The clamping and fixing cost of the cable is suitable for promotion and use.