929 results about "Gravity effect" patented technology

The invention provides a cooking utensil. The cooking utensil comprises a cooking cavity, an air exhaust cavity, an air exhaust device, a floater, a floater driving mechanism and a one-way mechanism.A first communication channel is formed between the air exhaust cavity and the cooking cavity so that air in the cooking cavity can be exhausted through the air exhaust cavity. An air suction openingof the air exhaust device is communicated with the air exhaust cavity. The floater is movably arranged in the first communicating channel, the floater has an air exhaust position where the air exhaustcavity and the cooking cavity are communicated, and a sealing position where the air exhaust cavity and the cooking cavity are not communicated. The floater is at the air exhaust position when the cooking utensil is in a non-working state. The floater driving mechanism drives the floater to move to the sealing position from the air exhaust position and move to the air exhaust position under the gravity effect of the floater. The air in the air exhaust cavity is exhausted outside through the one-way mechanism, and external atmosphere cannot enter the air exhaust cavity through the one-way mechanism. By means of the technical scheme, the problem that the user experience of a cooking utensil in the prior art is poor can be effectively solved.

The invention relates to a multi-stage thermal desorption remediation system for organic polluted soil, and belongs to the technical field of soil remediation. The system consists of a first-stage thermal desorption device, a second-stage thermal desorption device, a tail gas treatment device, a secondary combustion chamber and a falling type conveying belt. Soil is preheated and desorbed primarily by high-temperature tail gas generated by thermal desorption; a two-stage or multi-stage polluted soil treatment method is adopted, and the residual heat of the tail gas is utilized fully, so that the comprehensive utilization ratio of heat energy of the system is improved obviously; soil enters a thermal desorption cabin with relatively high temperature under the gravity effect by virtue of the S-shaped falling type conveying belt, so that the energy consumption of a conveying and transmitting device and the conveying process is prevented; meanwhile, the soil conveying path and the conveying time are prolonged, the retention time is prolonged, and thus soil pollutants are desorbed relatively fully. The thermal desorption soil remediation system is reasonable in structure, is simple to operate, is convenient to use, has no secondary pollution, recycles residual heat of tail gas, and has wide application prospect and high practical value.

The present invention relates to an apparatus for increasing blood flow to the skin of a person using the apparatus for regeneration of skin and digestion of adipose cells without causing an increase of gravity effects on the person. The apparatus comprises a work-out device to be actuated with the legs, which is enclosed by an air-tight housing. The housing in the waist area encloses the person. The apparatus further comprises a device for the production of a differential pressure in said housing, which is arranged so as to alternatingly produce a pressure reduction and a pressure increase in the housing. Within said housing, a support means is arranged to take the body weight off the legs of the person and to enable to separately control the effects of adipose cell digestion due to low pressure stimulation and the effects on the cardiovascular system by the work-out device.

The invention discloses an unpowered wearable auxiliary walking assisting mechanism. The unpowered wearable auxiliary walking assisting mechanism comprises driving force formation assemblies and knee joint assisting executing assemblies. Based on a lever principle and a crank slide block structure mechanism, the walking assisting mechanism disclosed by the invention adopts a working manner of same-side parallel driving input of left and right feet; a self-gravity effect of a human body is utilized and Bowden cables are used as a medium for transmitting a pulling force between the driving force formation assemblies and the knee joint assisting executing assemblies; the driving force formation assembly of the left foot provides a driving force for a left leg knee joint auxiliary torque executing assembly; the driving force formation assembly of the right foot provides a driving force for a right leg knee joint auxiliary torque executing assembly, so that torques for assisting left and right leg knee joints to bend and extend are generated in a walking process, and the aim of assisting walking is realized. The unpowered wearable auxiliary walking assisting mechanism disclosed by the invention has small inertia; the defects that the inertia of rigid mechanisms including a common leg assisting mechanism or an external skeleton robot and the like is great, damages to knee joints of people are easy to cause, the comfort is poor and the like are overcome, and the safety and comfort of the mechanism are remarkably improved.

WEIGHNTEL is a weighing device, a scale that is capable of automatic instantaneous wireless transmission of recorded weights that are packaged or associated with other data as identification, date, and time. This is wireless transmission of a recorded weight and other business related data, of objects including living beings, to any location on earth or in outer space. Using existing technology a scale can be manufactured to accomplish electronic transmission of weights after recording them with account ID, date and time on a computer disc. Digital scales may be used and preferred over other traditional scales. Objects to be weighed vary from tiny objects such as jewelry, postal items, to human beings, pets and animals, cargo in seaports, airports, and rail stations or to be loaded on commercial or military trucks or other transportation vehicles. Weighing cargo in this innovative manner can help to safeguard against illegal interventions over time or space. Weighing human beings can help to generate a more accurate and meaningful weight record, or weight history from birth to end of life, or from any point of beginning to termination of the account. Adding a global locator feature could be of unimaginable security value especially if the devices are globally marketed. Adding a camera or video camera would perhaps be a luxury that increases the cost of production but also enhances security. Adding sensors such as a scanning device can help to pick a unit ID and include it with data to be transferred. The device could be programmed to make automatic corrections to weights that are influenced by geography in locations that alter the gravity effect. [e.g. a weight on earth is 6 times that on the moon]. Either the transmitter and receiver ends can be portable mobile or they can be stationary i.e. a scale can be small and portable or huge and fixed to a location. A receiver can be a portable hand held device, a telephone or a stationary computer or a laptop. Transmission is basically performed by an electronic transmission device in a manner similar to TCP / IP packet transmission or email transmission between two ends or computers. Wireless data transmission happens from scale to a location on the Internet, Intranet or any receiver device and vice versa using end to end wireless data transmission protocol. Every transmitting device within a scale is programmed for a specific goal that is defined by the type of business involved. Every receiver device and each software program is built for a specific goal that is defined by the type of business involved. At the receiver end transmitted data are automatically entered into the account ID file. Data are further processed to produce a graph or a table or both showing the details of the transaction and relation to prior transactions. A printable file shows weight progress from the date of subscription to the account to the date of the last transaction. With each transaction a new updated file is produced without deleting previous records.

The invention provides a gravity compensation method for mechanical arm load mass and sensor null drift online recognition. The gravity compensation method comprises the steps that S1, a load mass center and mass recognition module is adopted for obtaining and recognizing the mass center and mass of loads at the tail end of a mechanical arm, and the recognized mass center and the recognized mass of the loads are obtained; S2, a sensor null drift recognition module is adopted for reading the numerical value of a sensor, calculation is performed according to the recognized mass center and the recognized mass, and sensor null drift is obtained; and S3, a gravity compensation module is adopted for performing gravity compensation on the numerical value of the sensor according to the sensor null drift. By means of the method, the problem that due to the additional force and torque introduced by the loads of the tail end of the mechanical arm to the tail-end six-dimensional force sensor by the gravity effect and the presence of sensor null drift errors, the numerical value of the sensor is inaccurate and the final force control effect is affected can be solved, and uncertainty of the sensor null drift determines the necessity of online recognition of the sensor null drift.

The invention discloses a gravity multi-interface inversion method. The method comprises the following steps: obtaining information of an observation point, a gravity observation value, an initial model scope, underground medium information, to-be-inversed layer position information, and regularization weights of each model functional portion; performing mesh generation on an underground medium; calculating a gravity effect of each cylindrical body for the observation point after the mesh generation of an initial model, performing accumulation, and obtaining a gravity forward modeling value; according to the gravity observation value and the gravity forward modeling value, calculating a mismatch function F1(x); calculating a total variation function F2(x); calculating a model interface inversion deviation function F3(x); according to calculation results, the regularization weights lambda2 to lambda3 of each model functional portion and the mismatch function F1(x), constructing a target function: F(x)=F1(x)+ lambda2F2(x)+ lambda3F3(x); and enabling the target function to be the smallest by use of an iteration method. Through such a mode, the gravity multi-interface inversion method can have quite good inversion precision and efficiency.

A method for compensating the effect of gravity on seismic sensors such as geophones and a gravity effect-free seismic sensor are disclosed. The gravity effect-free seismic sensor of the present invention includes primary sensor (100) operatively responsive to seismic movements and hence generating a seismic signal by having a coil placed in a magnetic field in a first axis of sensitivity (105); an auxiliary sensor (210) operatively responsive to a gravity field for generating a tilt signal, thus providing a current to the coil of the primary sensor (100) to induce a force on the coil that at least partially compensates for a weight of the coil, thus ameliorating or eliminating a gravity effect on the primary sensor (100).

The present invention discloses an apparatus for forming and screening a large-scale single-layer two-dimensional liquid droplet array, and a use method thereof. The apparatus comprises a micro-column array chip, a scraping plate for auxiliary spreading of a liquid droplet, a probe for controlling the liquid droplet, a three-dimensional translation table and other components, wherein a micro groove unit for trapping the single liquid droplet is formed by using the gap between micro-columns, and the liquid droplet is spread in the micro groove unit in a single-layer and single manner through gravity effect and capillary effect or through an auxiliary means so as to form the single-layer liquid droplet array. With the apparatus of the present invention, the accurate positioning and detection on the liquid droplet, the sucking on the target liquid droplet and the subsequent treatments can be performed. According to the present invention, the apparatus has characteristics of simple structure and easy operation; and the method has advantages of fast liquid droplet spreading, high flux, high liquid droplet trapping efficiency, liquid droplet position fixing and the like, and is suitable for single cell analysis and screening, single molecule analysis and screening, high-throughput gene screening, protein directed evolution, antibody screening, microbial research, drug screening, and other fields.

The invention relates to experiment bench equipment used for detecting the rigidity of a vehicle opening and closing part. The experiment bench equipment comprises a base assembly, a left oscillating arm assembly, a right oscillating arm assembly, a left moving support seat assembly, a right moving support seat assembly, a left fixing support seat assembly, a right fixing support seat assembly and a free beam assembly. The experiment bench equipment is characterized in that the left fixing support seat assembly and the right fixing support seat assembly are fixedly arranged on the base assembly by bolts, and the free beam assembly is matched with a lifting platform on the left fixing support seat assembly and the right fixing support seat assembly through circular cylinders on both ends of a cross beam. According to the experiment bench equipment disclosed by the invention, all rigidity experiments of the opening and closing part are integrated on one bench, and special experiment bench equipment can be manufactured. The experiment bench equipment can adapt to opening and closing parts of different vehicle types, different sizes and different classes, additionally, the experiment installation state of an experiment part is kept consistent with the assembly state on a real vehicle body, the gravity effect is eliminated, and the experiment schedule is increased.

The invention relates to an immersed liquid cooling server and an immersed liquid cooling method for the server. The immersed liquid cooling server comprises a refrigerant groove, a heating element, a cooling element and a blower or a fan, wherein the refrigerant groove is used for accommodating refrigerants, the heating element is arranged in the refrigerant groove and is soaked by the refrigerants, the cooling element is positioned above the liquid level of the refrigerants, the blower or the fan is arranged above the cooling element, and the direction of airflow blown by the blower or the fan faces the cooling element. The immersed liquid cooling server has the forced condensing heat exchange effect. The immersed liquid cooling method for the server comprises the following steps that the refrigerants absorb heat of the heating element soaked into the refrigerants to form refrigerant steam through evaporation, and the refrigerants upwards flow; the cooling element carries out heat exchange with the upward flowing refrigerant steam, the refrigerant steam is condensed into refrigerant liquid drips, and the refrigerant liquid drips drip back into the refrigerant groove due to gravity effect; the air is downwards blown towards the cooling element through the blower or the fan. The method has the advantage that the condensed heat exchange of an immersed liquid cooling system is enhanced.

The invention relates to a fan drying device of a dish washing machine. The fan drying device comprises a casing assembly arranged on an inner liner, wherein an air passage communicating with the outside and an inner cavity of the inner liner is arranged in the casing assembly; a fan and a heating assembly are arranged on the fan; a blocking sheet used for automatically starting and closing the air passage is also arranged on the air passage; the blocking sheet closes the air passage at least under the gravity effect, and opens the air passage at least under the wind force effect. Through the matched work of the fan and the heating assembly, hot air can be blown into the inner cavity of the inner liner; the effect of heating tableware and air in the inner cavity of the inner liner is achieved, so that the drying temperature is raised; the drying time is reduced; the drying efficiency is improved; in addition, through the arrangement of the blocking sheet, the automatic starting and closing function is realized on the air passage; when the fan does not work, the external leakage of steam can be prevented. The fan drying device has the following beneficial effects that 1, at the same installing temperature, a better drying effect is provided; 2, due to the setting of the how air blowing function, the drying work can be completed in short time; the procedure time is shortened; the drying efficiency is improved.

The invention discloses a ventilating shutter capable of being automatically closed. The ventilating shutter comprises an outer frame and a plurality of sets of shutter blade assemblies arranged in the outer frame. Each shutter blade assembly in each set comprises a hinge pin, a blade and a support, wherein the blades and the supports are hung below the hinge pins. The ventilating shutter is opened under the gravity effect of the blades and the supports so that air inside and outside a room can circulate. When being affected by external wind of a certain amount, the blades can overcome the gravity effect of the blades and the supports and rotate around the hinge pins to close ventilating holes so that the ventilating shutter can be closed automatically and the strong wind and rain water can be prevented from entering the room. Moreover, the hinge pins are provided with torsion springs, so that the blades do not swing along with the wind below the hinge pins. The ventilating shutter is simple in structure, low in manufacturing cost, convenient to maintain, high in reliability, capable of being automatically closed under the effect of the external wind without a control system, and particularly suitable for being used in bathrooms and kitchens, decorated in a closed mode, in common families.

The invention relates to a bar-locking-type fall-prevention professional electrician operation safety belt which can prevent a person ascending or descending bars from falling down, utilize the pulling force of person operation to lock a bar body directly and tightly so as to have fall-prevention function and overcome the problems that a traditional bar-enclosure belt is easy to slide down and has not enough slide without force application. The bar-locking-type fall-prevention professional electrician operation safety belt consists of a waist belt and two bar-enclosure belts which are connected with the left side and the right side of the waist belt; both ends of a bar-locking belt are provided with a slip ring respectively; the bar-enclosure belt consists of a left pulling force belt and a right pulling force belt which movably penetrate the slip ring respectively; the movable ends of the left pulling force belt and the right pulling force belt are connected with each other by connectors; and the bar-enclosure belt and any side of the waist belt are in hook-locking-type movable connection. The safety belt is easy to use, and by utilizing the own gravity effect of a falling person, the pulling force belts connecting the person tighten the bar-locking belt instantaneously from both sides by the slip rings on both sides of the bar-locking belt, thereby locking the electric pole tightly, therefore, the falling person is hung on the bar body in the high sky.

The invention belongs to the field of derusting equipment, and in particular relates to a derusting shot blasting machine, which includes a derusting working part, a projectile sorting part and a projectile transmission part; through the projectile sorting part, the sieve plate and the waste collecting plate are tilted downwards, and gravity is used to The function realizes the sorting of projectiles and the efficient separation of rust residues, and the light dust generated in the rust removal process is quickly removed by the dust removal mechanism, and is dissolved by the absorption liquid and filtered twice by the dust removal net to remove dust, and the dust removal effect is good; the rust removal method of the present invention The shot blasting machine has simple structure, low cost, high working efficiency, low pollution and low energy consumption, and is suitable for industrial production.

A system and method compensate for effects of gravity on the diaphragm of a capacitance diaphragm gauge (CDG). The CDG generates a measured absolute pressure value in response to an applied absolute pressure on an input of the CDG. The CDG is subjected to a variable orientation of the CDG with respect to the earth's surface that can cause inaccurate pressure measurements. A pressure measuring circuit generates a measured value of an applied absolute pressure provided to an input of the CDG. A tilt sensor generates at least one tilt sensor output value that is responsive to an orientation of the CDG with respect to the earth's surface. A processing system adjusts the measured absolute pressure value by a calibration factor to generate a calibrated absolute pressure value representing the applied absolute pressure, wherein the calibration factor is selected in response to the at least one tilt sensor output value.

The invention relates to a vertical loading testing device for integral ring tunnel structure, comprising a reaction frame composed of a column and a cross beam; a spring support group is arranged on the base of the reaction frame; an integral ring tunnel structure is placed on the spring support group; the lower part of the cross beam is provided with a jack; the upper end of the jack is fixed on the cross beam and the lower end abuts against the loading point of the integral ring tunnel structure; the left side and the right side of the integral ring tunnel structure are provided with a lateral loading component each. When a test is performed, the jack and the spring support group act together to exert vertical force for vertical loading and the lateral loading components exert lateral force for lateral loading. Compared with the prior art, the invention adopts a vertical loading method to perform a test on an integral ring tunnel structure, fully takes into account of the gravity effect of the structure, and places the integral ring tunnel structure on the spring support group to simulate the boundary conditions of an elastic foundation so that the testing results truly reflect the force exerted state of a tunnel structure in a soil layer.

A differential gradient of gravity is directly measured from the interferometric combination of two light beams which reflect from pairs of three freefalling test masses. Optical path lengths of two beam arms change relative to one another because of differential gradient of gravity effects the test masses differently simultaneous freefall. The relatively large background of gravity and the gradient of gravity are eliminated from the measurement while simultaneously achieving a high level of common mode rejection of other spurious influences.

A device and system for indicating rapid deceleration to warn the operator and / or others of an urgent deceleration condition is provided. The device includes one or more sensors that are responsive to acceleration in the primary direction of vehicle motion. The controller communicates with the one or more sensors, corrects for gravitational effects, and initiates at least one warning indicator when the sensed acceleration exceeds a threshold value and thereby indicates an urgent deceleration condition.

The invention discloses a variable-gravity orientation typical friction pair sliding abrasion tester and a test method. The variable-gravity orientation typical friction pair sliding abrasion tester comprises a bracket, a vacuum box, an index plate, a loading mechanism, a sample fixture, a sample clamping mechanism and a friction sensor for detecting friction force generated by friction between a fixed sample and a movable sample, wherein the vacuum box is arranged on the bracket through the index plate; the sample fixture and the sample clamping mechanism are arranged in the vacuum box. By adopting the variable-gravity orientation typical friction pair sliding abrasion tester and the test method, the change of the friction force of a typical friction pair under different gravity orientations in a vacuum environment can be measured accurately, the influence of a gravity effect on abrasion can be analyzed, and the influence of an alternating load on the abrasion of the typical friction pair can be measured.

The invention discloses a shear wall connection structure and a construction process thereof, and relates to the technical field of prefabricated shear wall design. A gap exists between the lower endwall of an upper wall body and the upper end wall of a lower wall body. The shear wall connection structure is characterized in that the upper end face of the lower wall body is provided with a slurrypassing groove in the length direction of the upper end face of the lower wall body, and the slurry passing groove communicates with all grouting sleeves; sleeve interior slurry blocks are arranged in the grouting sleeves, and the slurry passing groove is internally provided with a grouting joint filling block which is integrally formed with the sleeve interior slurry blocks; and concrete is injected into the grouting sleeves through a grouting pipe, because of the gravity effect, the concrete downwards flows into the slurry passing groove and forms the grouting joint filling block after being solidified, thus the gap between the upper wall body and the lower wall body is fully filled, and the phenomenon that the gap exists between the upper wall boy and the lower wall body is effectivelyavoided.

The invention belongs to the field of utilization of renewable energy, and provides a wave-energy generating device for generating power through water potential energy. The device comprises a water absorbing tank, a water storing tank, a water absorbing pipe, a water draining pipe, a piston, a sealing ring, a floating block, a hinge pin, a supporting platform, and a water draining port in the upper part of the water absorbing tank. The device is characterized by further comprising a pressing rod, a turbine generating device in the water absorbing pipe, a turbine generating device in the water draining port, a baffle switch hinged to the piston, a baffle switch hinged to the water absorbing port, a filtering net and a water pipe fixing rack, wherein the pressing rod and a rack achieve a lever effect, and the floating force and gravity effect of the wave to the floating block can be amplified to act to the piston. According to the water-energy generating device, the pressing rod can drive the piston to reciprocate, and the baffle switch hinged to the piston and the baffle switch hinged to the water absorbing port play supporting roles, so as to achieve the purposes of absorbing water and draining water; meanwhile, the turbine generating devices in the water absorbing pipe and the water draining port of the water storing tank are correspondingly driven to generate power during the water absorbing process and the water draining process; array manners are combined to use, so that the wave energy can be utilized well, and the purpose of continuously generating power can be achieved. The device is of an opening structure, is influenced a little by the environment, and is simple in structure, and convenient to maintain and replace a part.

The invention discloses a device and a method for testing agricultural material impacting, which comprises a material fixing holdfast, a projecting device, an engine, and a monitoring and controlling device, wherein an impacting ball instead of a threshing component can be uses to analyze collision process between quantitative threshing components and agricultural materials, a rotary plate can obtain necessary rotary speed through changing a speed adjusting engine. The impacting ball is fed in through a breathing ball delivering port and dropped on the rotary plate under gravity effect. First the impacting ball moves on the rotary plate along a guiding ring, then rolls out through a gap of guiding ring, projects out through a projecting tube after rotating along the rotary plate for a circle under poking block effect, and is attracted by a buffering curtain and dropped on a base after being collided with the testing materials. The invention is mainly used to analyze parameters as ultimate speed, impacting breaking sensibility, and the like when agricultural materials are collided with the threshing components which take different materials. Displacement, speed, acceleration, and collision force can be analyzed through a high speed camera, image processing, and other methods after material collision, and can provide criterion for the design of threshing, processing, and delivering devices.

The present invention relates to an apparatus for increasing blood flow to the skin of a person using the apparatus for regeneration of skin and digestion of adipose cells without causing an increase of gravity effects on the person. The apparatus comprises a work-out device to be actuated with the legs, which is enclosed by an air-tight housing. The housing in the waist area encloses the person. The apparatus further comprises a device for the production of a differential pressure in said housing, which is arranged so as to alternatingly produce a pressure reduction and a pressure increase in the housing. Within said housing, a support means is arranged to take the body weight off the legs of the person and to enable to separately control the effects of adipose cell digestion due to low pressure stimulation and the effects on the cardiovascular system by the work-out device.

The invention provides a glue coating method and device for a medical plastic needle filter cover, and belongs to the technical field of medical assembly equipment. The glue coating method and device for the medical plastic needle filter cover solve the technical problem that the amount of glue between a filter hole and a filter cover cannot be moderate easily in the existing glue coating process. The filter cover included in the glue coating method is columnar, and the glue coating method comprises the following steps of feeding, glue soaking and glue coating. The invention further provides the glue coating device for the medical plastic needle filter cover. According to the glue coating method and device, the principle that a glue coating chunk clamps the filter cover is utilized, glue is coated to the outer side face of the filter cover, the glue coating object is changed, the coating amount of glue keeps at the optimal state all the time through the gravity effect on glue, the situation that glue in the filter hole is excessive in the prior art is avoided, and by the glue coating method and device, the combination quality of the filter cover after glue coating and the filter hole is better.

The invention discloses a reverse osmosis seawater desalination machine put in deep sea, which comprises a freshwater collection tank, multiple reverse osmosis membrane pipes, a filter screen, a protection cage, a compression-resistant cover, multiple springs and an anti-toppling mechanism, wherein the reverse osmosis membrane pipes are mounted at the top of the freshwater collection tank, the filter screen surrounds the reverse osmosis membrane pipes, and the filter screen is externally covered with the protection cage and the compression-resistant cover. Since the deep seawater is filtered by the filter screen and then reaches the membrane surfaces of the reverse osmosis membrane pipes, the water molecules in seawater penetrate through the reverse osmosis membrane under the effect of the potential energy of seawater and reach the outer wall surface of a hollow circular pipe; the freshwater enters an inner cavity of the hollow circular pipe through micropores on the wall surface of the hollow circular pipe and flows into the freshwater collection tank under the gravity effect; finally, the freshwater is pumped onto the land through a freshwater outlet pipeline while a certain water level in the freshwater collection tank is maintained. The machine disclosed by the invention has the advantages of low energy consumption, high freshwater value, simple and compact equipment structure, good overall performance, environmental friendliness and the like, is suitable for the complicated-environment deep sea, and can be widely applied to the field of seawater desalination.

The invention relates to the field of sand removal of a gas well, in particular to a sand removing device applicable to a high-pressure and high-yield gas well. The inside of a pressure container of the sand removing device mainly consists of four parts including a sand storage region, a cyclone separator, a gravity settling region and a filter tube, wherein the cyclone separator carries out first-stage sand removal on sand-containing natural gas entering the device, the natural gas subjected to the first-stage sand removal is subjected to second-stage sand removal through receiving the gravity effect after entering a gravity settling region, the natural gas is exhausted from a gas outlet after being subjected to third-stage sand removal via the filtering tube, solid phase sand is fully separated after the sand-containing natural gas is subjected to first-stage, second-stage and third-stage sand remove, and the flushing and the damage of the sand on subsequent pipelines and equipment can be effectively prevented.

The invention discloses an automatic floating centering hydraulic clamp holder. The automatic floating centering hydraulic clamp holder comprises a clamping assembly used for clamping a drill rod and a base fixedly matched with a drilling machine rack and used for installing the clamping assembly. The clamping assembly is installed on the base in the radial swing direction of the drill rod in a single-degree-of-freedom sliding mode, and a fixing elastic part used for fixing the clamping assembly to avoid the situation that the clamping assembly slides under the gravity effect is arranged between the base and the clamping assembly in the single-degree-of-freedom sliding direction of the clamping assembly; external force floating centering can be increased, so that the situation that abrasion on the drill rod during clamp holder centering is guaranteed through force generated by rotating of the drill rod is avoided; and meanwhile in a lateral orientation drilling machine, the clamp holder can also be centered under the effect of floating external force, so that the eccentric problem of an existing clamp holder under the gravity effect or the problem that the initial position of the clamp holder is repeatedly adjusted to ensure centering in different orientations is avoided.

The invention discloses a device for solid-solid separation and recovery of silicon and silicon carbide in cutting waste mortar of silicon wafers. In the device, an inlet pipe is connected to a cylinder of a vertical electrophoresis tank, anode electrode tubes are arranged above the vertical electrophoresis tank, cathode electrode tubes are arranged below the vertical electrophoresis tank, an outlet of a main electrode tube of the anode electrode tubes is connected with a silicon outlet pipe, and the other side of the silicon outlet pipe is connected with a silicon outlet pump which is connected to a silicon recovery tank; and a main electrode tube of the cathode electrode tubes is connected with a silicon carbide outlet pipe, and the other side of the silicon carbide outlet pipe is connected with a silicon carbide outlet pump which is connected to a silicon carbide recovery tank. The cutting waste mortar of the silicon wafers is subjected to solid-liquid separation; and heavy liquid and a dispersant are added into the obtained solid phase sediment for ultrasonic oscillation and dispersion, and the silicon and the silicon carbide are separated through a vertical electrophoretic separation device. The purity of the silicon carbide obtained by separation in the process is more than or equal to 98.5 percent, and the purity of the silicon is more than or equal to 99.9 percent. The heavy liquid is non-volatile, nontoxic and environment-friendly solution of sodium polytungstate or ionic liquid. The method solves the problem of gravity effect caused by horizontal electrophoresis and realizes environment friendliness.