47results about How to "Does not affect stiffness" patented technology

The invention relates to a portable resistivity method advanced forecasting system applicable to a TBM. The system comprises a plurality of non-polarized electrodes, a terminal control box and an electrode cable series. The non-polarized electrodes are electrically connected with the terminal control box. The terminal control box is electrically connected with the electrode cable series. The non-polarized electrodes are arranged to be capable of stretching out of a TBM cutterhead hob hole and making contact with a tunnel face to detect front geological signals. The terminal control box receives the signals collected by the non-polarized electrodes and predicts a front geologic body. The potential difference between a surrounding rock mass, a shield and the terminal control box is reduced and/or eliminated through electrode cables. According to the system, detection of unfavorable geologic bodies such as a fault fracture zone, a soft and hard layered stratum, a water-bearing cave and an underground river is achieved according to geologic body resistivity difference.

The invention is a miniature total press probe and its making method. The probe is made up of a 3-rated outside circles, terraced tube whose head outside diameter is 0.2 mms. The ratio of these three circles' diameters is 1:2:5 while the ratio of the lengths is 1:(3-5):.(8-12).The producing method is to adopt the tiny electrical spark and the tiny electrolysis compound process to pack the parts once. The positioning accuracy can attain to 2 ums. The detailed craft is as follows:1 tiny electrical sparks processing craft;2 tiny electrolysis of pure water processing craft;3 tiny operation craft. Here are the advantages: provide the valid measure means for tiny fluid mechanics experiments; the special design of the probe guarantees that the valid measure dimension stays between millimeters and centimeters of total press distribution, and makes sure that the probe's rigidity can bear the strength of the tiny dimension-low Renault current of air without being impacted. The advantages are low cost and conveniently use.

The invention discloses a six-leg walking robot in parallel connection driven by rotation. The six-leg walking robot comprises a frame and six driving legs in parallel connection, wherein the six driving legs in parallel connection are uniformly distributed on the frame and symmetrically mounted, each of the driving legs in parallel connection has three freedom degrees relative to the frame, and the frame has six freedom degrees in three-dimensional translation and three-dimensional rotation under the coordination of the six driving legs in parallel connection; each of the driving legs in parallel connection comprises a driving mechanism in parallel connection and a leg mechanism, which are connected through an equivalent spherical hinge alpha, wherein the driving mechanism in parallel connection adopts a three branched hinge structure, and the leg mechanism adopts a four rod structure. The six-leg walking robot disclosed by the invention is simple and flexible in structure, light in mechanisms, stable to walk, good in adaptability and suitable for high-speed heavy-load transportation operation under non-structural topographic conditions.

The invention discloses a semi-active intelligent friction cylinder shock absorber of a vehicle suspension. The shock absorber comprises a first spindle, a main support spring, a sealing ring, a second spindle, a lower cylinder end cover, a cylinder body, a passive spring, a spindle friction ring, a piston ring, an auxiliary spring, a sliding sleeve, a cylinder friction material, slider friction materials, guide rail sleeves, controllable friction sliders, piezoelectric actuators and pre-tightening springs. The shock absorber is simple in structure and easy to implement. The shock absorber can be modified on the basis that the original suspension. Friction blocks and piezoceramic materials are relatively mature techniques developed on the market, and good economy, low carbon, environmental protection, high reliability and easiness in maintenance are achieved.

The invention provides an intelligent wind power blade mold, a preparation method of a blade mold, and a mold surface monitoring system. The intelligent wind power blade mold comprises an upper mold and a lower mold; the structure of upper mold comprises an inner structural layer, a heating layer and an outer structural layer; the structure of the lower mold is the same as that of the upper mold;the heating layer comprises a heat conductive grease layer, a copper pipe or a heating wire, and a fiber bragg grating; the inner structural layer is a cured structural layer formed by a vacuum infusion process using resin on a surfacing mat, an alkali-free cloth and a multi-axial multilayer fabric; and the preparation method comprises the following steps of preparation of the inner structural layer of the blade mold; preparation of the heating layer; and preparation of the outer structural layer. The mold surface monitoring system comprises a wind power blade mold and a fiber bragg grating demodulator; and the fiber bragg grating demodulator is connected with the fiber bragg grating of the wind power blade mold through a signal. According to the intelligent wind power blade mold, the related technical problems of how to accurately monitor the internal strain and temperature change of the mold are solved.

The invention discloses a point type separation satellite and rocket butt joint structure which comprises a butt joint device of a cavity structure and a transition block, the butt joint device is installed on the satellite and rocket butt joint face of a rocket support, the transition block is installed between a satellite main structure and the butt joint device, and the upper surface of the transition block makes contact with the lower surface of the satellite main structure. And the lower surface is contacted with the upper surface of the butting device.

The invention relates to the downward deviation problem during the jacking process of a steel jacking pipe and particularly relates to a detachable multi-angle steel jacking pipe deviation rectifyingdevice which comprises a concrete base and an arc-shaped steel plate tripod, wherein each of the concrete base at the lower part and the arc-shaped steel plate tripod at the upper part has the detachable function, is convenient to mount and is recycled; a support steel plate is clamped and connected between clamping grooves in corresponding positions between the lower bottom surface of an arc-shaped steel plate and the upper bottom surface of a bottom steel plate through the arc-shaped steel plate tripod; the support steel plate is clamped at different positions to adjust the angle between thearc-shaped steel plate and the bottom steel plate, so that the problem that the steel jacking pipe falls off to different degrees on engineering is further solved, and different-angle deviation rectification of the steel jacking pipe is realized with high flexibility and convenience; steel balls similar to abaci in shape are configured on the upper surface of a cambered surface steel plate, so that the front end of the steel jacking pipe can conveniently move on the cambered surface steel plate. The detachable multi-angle steel jacking pipe deviation rectifying device can better solve the problem about downward deviation during the jacking process of the steel jacking pipe.

The invention relates to a nested supporting structure having a position regulation function and the application of the nested supporting structure. The nested supporting structure comprises an internal supporting frame and an external supporting frame used for supporting and regulating the internal supporting frame, wherein the internal supporting frame is provided with a plurality of protruding parts protruding in the transverse X direction and the longitudinal Y direction; the external supporting frame comprises two oppositely distributed transverse extending parts extending in the transverse X direction and two oppositely distributed longitudinal extending parts extending in the longitudinal Y direction, so that the external supporting frame is molded to encircle the internal supporting frame along the periphery of the internal supporting frame, the external supporting frame is provided with openings respectively corresponding to the protruding parts of the internal supporting frame, so that the protruding parts of the internal supporting frame are nested into the openings of the external supporting frame, and the external supporting frame supports the internal supporting frame in a nesting form. A position regulating piece is arranged in each opening of the external supporting frame and acts on the corresponding protruding part of the internal supporting frame in the transverse X direction, the longitudinal Y direction and the vertical Z direction, so that the six degrees of freedom of the internal supporting frame is regulated.

The invention provides a terrestrial heat utilization system based on underground diaphragm walls. The system comprises the first underground diaphragm wall, the second underground diaphragm wall andan underground water layer. A water input pipe and a first water output pipe are arranged on the first underground diaphragm wall. A second water output pipe and a third water output pipe are arrangedon the second underground diaphragm wall. The underground water layer communicates with a high-pressure water pump through the water input pipe. The water output end of the high-pressure water pump is sequentially connected with a first electric shunting type valve, a first high-pressure heat energy converter, a second electric shunting type valve, a second high-pressure heat energy converter andthe third water output pipe. The other water output end of the first electric shunting type valve is connected with the first water output pipe through a first grid type heat exchanger, and the otherwater output end of the second electric shunting type valve is connected with the second water output pipe through a second grid type heat exchanger. The invention further provides a utilization method of the geothermal utilization system based on the underground diaphragm walls. The system has the advantages of being large in energy, easy to utilize and the like, terrestrial heat is utilized reasonably, and thus benefits can be brought to economy and environment.

The invention provides a magnesium alloy for bicycles, the components and mass fractions of which are as follows: the Mg content is 90-92%, the Al content is 3-5%, the Mn content is 3-3.5%, and the rest is Ca. The beneficial effect of the invention is that adding aluminum element to the material components of the magnesium alloy improves the elastic modulus of the alloy material without affecting the stiffness of the magnesium alloy.