6results about How to "Reduce the space required" patented technology

The utility model discloses an anti-interference layered composite audio cable, which relates to the technical field of audio cables and comprises a total PVC (polyvinyl chloride) outer sheath, a total tinned copper woven mesh shielding layer is arranged on the inner side of the total PVC outer sheath, a total aluminum foil shielding layer is arranged on the inner side of the total tinned copper woven mesh shielding layer, and a total aluminum foil shielding layer is arranged on the inner side of the total aluminum foil shielding layer. The inner side of the total aluminum foil shielding layer is provided with a total PVC inner sheath, and the interior of the total PVC inner sheath is filled with an anti-interference filler. According to the utility model, a digital optical fiber signal, a coaxial signal and an analog audio power signal are simultaneously transmitted through a single wire, the complexity of wiring and the required space are reduced, and meanwhile, mainstream audio equipment interfaces are adapted, cables in the mainstream audio equipment interfaces can be connected according to use requirements, and the dependence on adapters is reduced. When a multi-interface device is connected, the remaining two cables can also be used as standby, when the cable in use is damaged, rewiring is not needed, other cables can be used, and a multi-layer anti-interference structure is provided, so that the anti-interference capability is strong.

The invention provides an attenuation slice quickly-detachable support suitable for hard X-ray energy attenuation, and relates to the field of hard X-ray free electron lasers. The attenuation slice quickly-detachable support suitable for hard X-ray energy attenuation comprises a base frame and a plurality of quick locking devices, attenuation slice containing grooves are formed in the front face and the back face of the base frame, light through holes are formed in the centers of the attenuation slice containing grooves, superposition use of attenuation slices can be achieved, and the attenuation magnitude is remarkably improved; the rapid locker comprises a shell detachably connected with the base frame, a rotary shaft which penetrates through the top of the shell and can rotate is arranged in the shell, a rotary knob is arranged at the top of the rotary shaft, a tongue depressor used for abutting against the attenuation piece is arranged at the bottom of the rotary shaft, a spring is arranged on the rotary shaft in a surrounding mode, a slope and a tongue pressing groove are arranged on the shell, and the spring can be compressed by lifting and rotating the rotary knob. The tongue depressor slides into the tongue pressing groove along the slope or slides to the surface of the attenuation piece, so that the function of quickly disassembling and assembling the attenuation piece is achieved, the device can be suitable for attenuation pieces of different shapes, different types and different thicknesses, and experiment interruption caused by attenuation piece replacement is reduced; the cooling pipeline is directly formed in the base frame and located below the attenuation piece, the heat dissipation efficiency is high, and the problem of heat accumulation of the energy attenuation piece in the hard X-ray free electron laser is solved; therefore, the productivity of a laboratory is improved, the risk of equipment and operators is reduced, and the safety of the whole system is enhanced.

The present invention provides a tapered clutch brake device, which belongs to the technical field of clutch; it solves the technical problems of short service life and poor stability of existing clutches; a tapered clutch brake device comprises a transmission shaft, which is axially extended; a driving wheel, which is arranged on the transmission shaft and axially fixed to the transmission shaft; a transmission seat, which is fixedly connected to the driving wheel and can rotate synchronously with the driving wheel, and the transmission shaft passes through the transmission seat; a brake seat, which is fixedly arranged and separated from the transmission seat, and the transmission shaft passes through the brake seat; a transmission member, which is circumferentially fixedly connected to the transmission shaft, the transmission member is located between the transmission seat and the brake seat and separated from the two, and the transmission member can move axially relative to the transmission shaft; the matching structure of the conical contact enables the transmission member to generate forces in both radial and axial directions when it contacts the transmission seat or the brake seat, and the transmission and braking effects are good. The entire structure realizes the combination of clutch and braking, and the structure is simple and compact.

The utility model belongs to the technical field of numerical control machine tools, and particularly relates to a high-torque high-rigidity waterwheel type special numerical control rotary table which comprises a shell, a rotary table main shaft is connected in the shell in a rotating and sliding mode, a planetary speed reducer is installed on the shell, and a servo motor is installed on the planetary speed reducer. The output end of the servo motor is connected with the input end of the planetary speed reducer, one end of the cross recess coupler is installed at the output end of the planetary speed reducer, the rotary table main shaft is installed at the other end of the cross recess coupler, and the rotary table face used for bearing workpieces is installed on the rotary table main shaft. When external force is transmitted to the servo motor mandrel, the servo motor mandrel can rotate randomly, so that any parts in the whole mechanism cannot be damaged, and further, the mechanism is simple and convenient to mount, high in rotating speed, long in service life, stable in rotation and more convenient to operate, and the manufacturing cost and the use space are reduced.

This invention discloses an intelligent shoulder joint range of motion measurement system and method based on multi-sensor fusion, comprising a hardware measurement unit and a smart terminal communicatively connected thereto. The hardware measurement unit includes: a trunk sensor module for fixing to the user's trunk to acquire trunk posture data; an upper arm sensor module for fixing to the upper arm on the same side as the shoulder being measured to acquire upper arm posture data; and a data processing and communication module electrically connected to the trunk sensor module and the upper arm sensor module, respectively, for receiving and processing the trunk posture data and the upper arm posture data, calculating the spatial relative posture angle of the upper arm relative to the trunk, and wirelessly transmitting the spatial relative posture angle to the smart terminal. This invention addresses the long-standing pain points of traditional goniometers in clinical practice, such as strong subjectivity, cumbersome operation, and inability to record dynamic processes.