72results about How to "Improve fixation accuracy" patented technology

Disclosed is an energy ray-curable epoxy resin composition wherein the problem of slow curing has been solved, while maintaining high fixation accuracy. Specifically disclosed is an energy ray-curable epoxy resin composition which contains an epoxy resin, a silicate compound that has a cationically curable functional group, and a photoacid generator.

The present invention relates to an electronic apparatus including a housing unit of which the angle can be varied by a rotation mechanism and is directed to improve the fixation precision of the housing unit that can be fixed at predetermined angles. The apparatus includes a supporting frame unit (movable arm unit), a rotation supporting unit (rotating module) installed on the supporting frame unit, a housing unit (movable housing unit) that is fixed on the rotation supporting unit and can be rotated by the rotation supporting unit, and a rotation locking mechanism that is installed away from the center of rotation of the rotation supporting unit and, when the housing unit is rotated to a predetermined angle, holds the supporting frame unit and the housing unit in a locked state.

There is provided a fluid ejection device, including a piezo pipette head ejecting a first fluid; a solenoid valve head disposed to be adjacent to the piezo pipette head and ejecting a second fluid having a volume relatively larger than that of the first fluid; and a fluid collection unit allowing the second fluid ejected from the solenoid valve head to be formed thereon to thereby allow the volume of the second fluid to be measured by an optical image device.

Disclosed is an energy ray-curable epoxy resin composition wherein the problem of poor curing properties in deep portions has been solved, while maintaining high fixation accuracy. Specifically disclosed is an energy ray-curable epoxy resin composition containing an epoxy resin, a filler and a photoacid generator, wherein the difference between the refractive index of the filler and the refractive index of the energy ray-curable epoxy resin composition excluding the filler is within +-0.02.

The invention provides an individualized mouth containing device for radiotherapy and a manufacturing method thereof. The device comprises an oral stent and silicon rubber, the oral stent comprises supporting columns, upper dental arch grooves, a lower dental arch groove, a tongue depressor, a ventilation channel and a handle. The oral stent is matched with the oral cavity in size and shape duringmouth opening, the supporting columns are arranged at the two sides of the oral stent, and the upper dental arch grooves and the lower dental arch groove are formed in the upper and lower portions ofthe supporting columns respectively; the tongue depressor connected with the lower dental arch groove is arranged on the rear end of the lower dental arch groove, the ventilation channel is formed between the supporting columns at the two sides, and the handle which is connected with the lower dental arch groove is further arranged between the supporting columns at the two sides; the silicon rubber wraps the upper dental arch grooves, the lower dental arch groove and the tongue depressor; individualized manufacturing is achieved through the oral stent and the silicon rubber, the fixing precision is improved at the same time, a patient bites and wears the device conveniently, the manufacturing method is simple, and clinical popularization is facilitated.

The invention discloses a single-hole multichannel rotatable operating device of a laparoscope. The single-hole multichannel rotatable operating device comprises an expansion cylinder and is characterized in that a surgery channel is formed in the middle of the expansion cylinder, the front portion of the expansion cylinder is small, the rear portion of the expansion cylinder is large, the external circle of the expansion cylinder is in arc-shaped transition from front to rear, the front end of the external circle of the expansion cylinder is provided with clamping lugs used for preventing the retreating of the expansion cylinder, and the upper end of the external circle of the expansion cylinder is provided with a fixing lug which is sewn with the skin of a patient to fix expansion cylinder to the patient; the top of the expansion cylinder is provided with an inner cover which can rotate around the peripheral direction of the central axis of the expansion cylinder in a reciprocating manner, and the inner cover is provided with a plurality of puncture bayonets communicated with the surgery channel; the lateral wall of the expansion cylinder is provided with an air inlet and an air outlet. The single-hole multichannel rotatable operating device has the advantages that the rotation of a surgical tool is facilitated so as to perform surgery on an affected part from different angles, and the device is simple and convenient to operate, capable of avoiding secondary injury of the patient and capable of guaranteeing fast recovery; the passing ability and sealing performance of the puncture bayonets can be increased favorably by a sealing component, and surgery operating efficiency is increased favorably.

The invention discloses a welding tool clamp for a military vehicle sideboard assembly. The welding tool clamp comprises an upper pressing framework assembly and supporting legs, wherein the supporting legs are welded to the bottom side positions of a base framework assembly, the upper pressing framework assembly is arranged on the upper side of the base framework assembly in a supported mode through a stand column assembly, a plurality of upper pressing air cylinders are installed on the bottom side of the upper pressing framework assembly in an arranged mode, and an end positioning assemblystructure is welded and fixed to the end of one side of the upper side of the base framework assembly. According to the welding tool clamp for the military vehicle sideboard assembly, lower lifting air cylinders are arranged on a bottom frame body of the base framework assembly, lifting roller way assemblies are arranged at the tops of the lower lifting air cylinders, and roller structures are arranged on the lifting roller way assemblies, so that lifting adjustment of the lifting roller way assembles can be conveniently driven through lifting adjustment of the lower lifting air cylinders, then, the military vehicle sideboard is more convenient to move when being fixed, the labor intensity of workers is relieved, a workpiece is convenient to take and transfer, and potential safety hazardsin the process are eliminated.

The invention relates to a tunnel blasting shot hole angle accurate control auxiliary device. The auxiliary device comprises a supporting leg assembly, a horizontal plane angle adjusting assembly, a vertical plane angle adjusting assembly and a sleeve distance measuring assembly which are connected in sequence. The vertical plane angle adjusting assembly comprises a vertical plane angle dial and a vertical plane pointer. The sleeve distance measuring assembly rotates along the vertical plane and drives the vertical plane pointer to rotate relative to the vertical plane angle dial. The horizontal plane angle adjusting assembly comprises a horizontal plane angle dial and a horizontal plane pointer; and the vertical plane angle adjusting assembly rotates along the horizontal plane to drive the horizontal plane pointer to rotate relative to the horizontal plane angle dial. The supporting leg assembly is matched with a horizontal indicating mechanism arranged on the horizontal plane angle dial to accurately adjust the levelness of the device, the horizontal plane angle adjusting assembly is used for accurately controlling the horizontal rotation angle of a sleeve, the vertical plane angle adjusting assembly is used for accurately controlling the vertical rotation angle of the sleeve, a distance measuring mechanism is used for indicating the depth of a blast hole, and the blast hole angle and depth can be accurately calibrated.

The invention discloses a mask manufacturing device. The mask manufacturing device comprises a net stretching module used for stretching a mask and conveying the mask to a mask frame, a mask detection module used for detecting the position information of a mask strip on the mask frame, a mask fixing module used for fixing the mask on the mask frame and a first displacement measurement module used for measuring the position information of the net stretching module and the mask fixing module. The position information of the mask detection module is accurately determined through the first displacement measurement module, then the actual position of the mask can be more accurately obtained, and therefore the mask can be more accurately moved to the preset position by adjusting stretching and displacement of the net stretching module, and the placement position accuracy of the mask relative to the mask frame is improved; and the position information of the mask fixing module is accurately determined through the first displacement measurement module, the fixing accuracy of the mask fixing module to the mask and the mask frame is improved, and therefore the manufacturing accuracy of a metal mask plate is improved.

The invention discloses a fixing device for a spliced operation ladder. The fixing device comprises a supporting seat and two fixing frames, the two fixing frames are located above the supporting seat, baffles are installed on the two sides of the supporting seat, a plurality of supporting frames are vertically welded between the two baffles at equal intervals, and a sleeve groove is formed between every two supporting frames. The fixing device for the spliced operation ladder has the beneficial effects that the operation ladder is placed in the sleeve grooves, meanwhile, safety protection iscarried out on the operation ladder through the baffles, so that workers are better protected during operation, and the use safety of the spliced type operation ladder is improved; a second motor at the bottom of a fixed seat drives a gear to roll, the gear meshes with a hobbing to roll, the fixing frames are driven to move to be close to ladder feet on the two sides of the operation ladder, hydraulic columns on the fixing frames push fixing plates to move under the action of hydraulic cylinders, the ladder feet on the side wall of the operation ladder are clamped and fixed through the two fixing plates on the fixing frames, and the construction safety of the workers on the operation ladder is greatly improved.

The invention discloses an assembly welding tool of an inner and outer fork part in the field of welding tools. The inner and outer fork part is formed by welding two fork rods, two long shaft sleevesand two short shaft sleeves. Connecting holes are formed in the head, the middle and the tail of each fork rod, and the two fork rods are arranged in parallel. One long shaft sleeve penetrates the connecting holes in the heads of the two fork rods. The other long shaft sleeve penetrates the connecting holes in the tails of the two fork rods. The two short shaft sleeves penetrate the connecting holes in the middles of the two fork rods correspondingly. The assembly welding tool comprises a workpiece mounting rack, a locating mechanism used for locating the fork rods, a jacking mechanism used for jacking the fork rods and a shaft sleeve fastening device used for fastening the long shaft sleeves and the short shaft sleeves, and the locating mechanism, the shaft sleeve fastening device and the jacking mechanism are all fixed to the workpiece mounting rack. All parts of an inner fork and an outer fork are assembled on the welding tool, the fixed point procedure is omitted, a both-way locating and jacking device is adopted, and the number of the locating mechanism and the jacking mechanism is reduced.

The invention discloses a gluing treatment equipment for automobile window frames and a working method thereof, which comprises a bottom connecting plate, a top loading platform and a gluing frame, and the four corners of the upper surface of the bottom connecting plate are vertically provided with first hydraulic pressure Cylinder, above the first hydraulic cylinder is movably connected with a top carrying platform through the first hydraulic shaft. The beneficial effect of the present invention is that: the second hydraulic cylinder pushes the second rubber pad to adjust and move up and down through the second hydraulic shaft, ensuring that the second rubber pad can more accurately press and fix automobile window frames of different thicknesses, and the two third The hydraulic cylinder pushes the two push seats through the third hydraulic shaft to adjust the movement, changing the positions of the two second hydraulic cylinders, and the second rubber pad can be used to press and fix the different positions of the car window frame, which greatly improves the transfer and installation. The fixing accuracy of the platform to the car window frame; the second motor and the third motor adjust the position of the moving table and the car window frame to ensure that the equipment has higher efficiency and precision in gluing the car window frame; the device has good social benefits , suitable for promotional use.