122results about How to "Produce damage" patented technology

The invention discloses a solar-powered VM circulating heat pump system, which comprises a VM circulating heat pump system, a solar water heating system, a heat supply circuit and a cold energy supply circuit, wherein a heat source heat exchanger is arranged between a hot cylinder and a heat regenerator in the circulating heat pump system; the heat source heat exchanger and a water container in the solar water heating system form a heat exchange circulating system; and the energy transfer between the two systems is completed. When the system is used, solar can be used as driving energy to drive a VM circulating heat pump to work to cool or heat in order to meet an air conditioner cooling requirement. The solar is clean, safe and reliable, so energy shortage and environmental pollution are prevented. The system can be widely used in industrial, commercial and civil concentrated cooling and heating systems.

The invention provides a non-destructive testing device for transmission loss of a plastic optical fibre, mainly solving the problems that a conventional testing device can only detect by cutting off the plastic optical fibre, and the transmission loss of the plastic optical fibre cannot be subjected to online detection. The non-destructive testing device for transmission loss of the plastic optical fibre comprises a light source for emitting a light signal into the tested plastic optical fibre, and a light injection module, a light extraction module and a data collecting device which are sequentially arranged along the light transmission direction of the emergent light of the light source, wherein the data collecting device is used for recording optical power of the radiated plastic optical fibre. The device does not generate any damage or injury to the optical fibre in the processes of injecting light and extracting light without cutting off the optical fibre, thereby achieving non-destructive measurement.

The invention discloses a method for detecting the completeness of a high bearing platform pile under an existing structure object by a virtual isolation single pile method. The method specifically comprises the following steps of firstly, collecting data, secondly, analyzing collected data through the virtual isolation single pile method and thirdly, judging the completeness of the high bearing platform pile. Two positions with a certain distance are selected on the upper portion of a tested foundation pile in the longitudinal direction of a pile body for conducting shock excitation, an actually-measured impedance function combining with the virtual isolation single pile method is used for calculating the impedance function of the pile tops of single piles under the two positions, and then the completeness of the pile body is analyzed. According to the method, under the condition that the upper portion structure and the pile body are not damaged, the influence of the upper portion structure on detecting of the completeness of the pile body is completely eliminated, a pile to be detected is 'isolated' from a complex structure, the single pile after isolation can be easily analyzed and evaluated referring to a traditional mechanical impedance method or a reflected wave method or other analysis methods, the difficulty of the problem is greatly lowered, and the reliability of detected results is improved.

The invention discloses an ultraviolet light curing post-processing method for a printing electrode. The method comprises the following steps that 1, a substrate is placed into an ultrasonic cleaner to be cleaned; 2, the cleaned substrate is placed into a drying box to be dried; 3, printing parameters are set, and the dried substrate is placed on a printer for printing of preset patterns; 4, the printed substrate is placed into a UV curing instrument, the distance between a UV lamp and a lifting table in the UV curing instrument is adjusted, curing time is set, and curing is carried out; and 5, the roughness and electrical resistivity of a Ag film obtained through printing are tested. By adjusting the UV curing time and curing power, the roughness and electrical resistivity of the cured ink-jet printing Ag film are controlled under the low curing power, and the Ag film with the low electrical resistivity and roughness is obtained. According to the ultraviolet light curing post-processing method, curing time is short, the technological process is extremely simple, precuring is not needed, and only one step of UV curing is needed in the curing process.

The invention relates to a wall-hanging air conditioner and a protective tube support. The wall-hanging air conditioner comprises a wall-hanging plate, an upper base, a lower base and a protective plate, wherein the wall-hanging plate is fixed on the wall during installation and has a plurality of hanging plate connecting characteristics; a heat exchanger is contained in the upper base; the upper base has a hanging characteristic and is detachably hung on at least one of the plurality of hanging plate connecting characteristics of the wall-hanging plate; an air passage component is contained in the lower base; the lower base is detachably connected to the upper base; the protective plate comprises a cavity for containing a pipeline bundle, an upper side wall and a lower side wall which extend outwards from the cavity; the protective plate, the upper base and the lower base are assembled together; and the protective plate has a compression joint characteristic so as to be in compression joint with at least one of the plurality of hanging plate connecting characteristics of the wall-hanging plate.

A membrane electrode short-circuit detection device for proton-exchange membrane fuel battery and the detection method are provided in the invention. The device is to connect two conductive flat plates and the DC power source, in the connecting circuit, an ohmmeter is connected in; the method is to clap the detected membrane electrode between two conductive flat plates and giving the small constant current on membrane electrode to record the resistance change along the time. If the resistance increases with the time, the membrane electrode has no short circuit; if the resistance is constant, the membrane electrode has the short-circuit point. The merits of invention are in that: it does not need any special device and ha low cost; the method is simple and easy to operate; the detection result can be get from the ohmmeter. The detection process has no destroy to the membrane electrode. The invention provides the reliable device and method and has important meaning for improving membrane electrode quality.

The invention discloses a long-span truss construction method and a long-span truss structure. The construction method includes steps that a, preparatory workis performed, specifically, a1, supportingscaffolds are erected, a2, lateral sliding tracks are laid, and a3, longitudinal sliding tracks are laid; b, truss assembly and lateral sliding are performed, specifically, b1, space stabilizing frames are assembled, b2, the space stabilizing frames are subjected to synchronous traction to slide, and b3, the steps b1 and b2 are repeated to form a group frame; c, jacking in position and track transition of the group frame are performed, specifically, c1, the group frame is jacked in position and then supporting legs are installed on the group frame, and c2, the group frame is placed on the longitudinal sliding tracks; and d, longitudinal sliding of the group frame and frame assembly forming are performed, specifically, d1, the group frame is slid, d2, the group frame is jacked up and supports are cut off and the tracks are partially slid, and then finished supports are installed on the group frame, and d3, the steps d1 and d2 are repeated, and a frame assembly is formed.

The invention relates to the technical field of clothes hair removing, in particular to a clothes hair remover. The clothes hair remover comprises a hair remover structure and an electric handle; thehair remover structure comprises a hair remover shell, a suction cavity is formed in the upper portion of the hair remover shell and internally provided with a suction impeller, the electric handle isfixedly connected with the upper portion of the hair remover shell, a driving motor in the electric handle drives the suction impeller to rotate to work, a hair suction cavity is formed in the lowerportion of the hair remover shell, the hair suction cavity is internally provided with a cleaning brush, stripping shovels and a driving belt, a strip-shaped slot is formed in the bottom of the hair remover shell, the driving belt is wavily limited in the strip-shaped slot, the lower portion of the driving belt is arranged to be exposed, multiple sponge blocks used for sticking and sucking hair are arranged on the driving belt, the stripping shovels and the sponge blocks are correspondingly arranged, cleaning brushes and the stripping shovels are correspondingly arranged, the suction cavity iscommunicated with the hair suction cavity, and a filter net is arranged between the suction cavity and the hair suction cavity. In this way, the hair is removed very conveniently, and operation is easy.

The invention relates to the technical field of glass working, in particular to a method for laser cleaning of a coating of a machined part. The method for laser cleaning of the coating of the machined part comprises the following specific steps that S1, the machined part needing to undergo coating removal is placed in a designated area, and a to-be-cleaned removal area is determined; S2, a lasercleaning head is enabled to move in the vertical direction of the designated area, the focus position of a laser connected with the laser cleaning head is adjusted, and the machined part is placed ina positive defocus state; and S3, a preset technological parameter of the laser cleaning head is set, and a controller receives a preset technological parameter signal and controls the laser cleaninghead to perform high-speed cleaning scanning on the coating of the machined part. According to the method for laser cleaning of the coating of the machined part, the laser cleaning head receives the signal sent through the controller and performs laser cleaning on the machined part by adopting the preset technological parameter, then the surface coating of the machined part can be removed, damageor secondary pollution to the machined part is avoided, and the cleaning effect is improved.

The invention relates to a preparation method of a lanthanum oxide-based ceramic core. The method comprises the following steps: ball milling and mixing are carried out for lanthanum oxide powder and additive powder, after paraffin melts, the mixed powder is gradually added, mechanical stirring is carried out, and composite ceramic core slurry is obtained; an injection moulding method is used for preparing the lanthanum oxide-based ceramic core of a required shape; a powder embedded sintering process is used for sintering the lanthanum oxide-based ceramic core, and the required ceramic core is obtained; finally, the required lanthanum oxide-based ceramic core is packaged with vacuum or inert atmosphere protection in order to be isolated from air till usage. The preparation technology and method of the lanthanum oxide-based ceramic core is simple and has good operationality; the lanthanum oxide-based ceramic core has high strength and high yield, and can be used with a higher casting temperature; the core is easy to remove during the removing phase of the core, so that efficiency is improved, and production cost is reduced.

The invention relates to a grounding wire winding and unwinding transporter and a using method, and belongs to the relevant technical field of power supply units. The grounding wire winding and unwinding transporter mainly comprises a vehicle frame, a rotating shaft bracket is fixedly connected to one side of the vehicle frame, and a rotating shaft is mounted in the rotating shaft bracket; the top of the rotating shaft is fixedly connected with a crank handle, and the bottom of the rotating shaft is fixedly connected with a chassis; a grounding wire clamping disc is movably connected to the part, between the chassis and the rotating shaft bracket, of the rotating shaft; clamping grooves are formed in the grounding wire clamping disc, positioning holes are formed in the grounding wire clamping disc, and positioning parts are assembled in the positioning holes through springs; part of each positioning part protrudes out of the corresponding positioning hole so that an insulating rod can be conveniently clamped; the crank handle drives the grounding wire clamping disc and the chassis to coaxially rotate at the same speed through the rotating shaft, so that a grounding wire fixedly connected with the insulating rod is wound on the insulating rod. Through the designed brand-new structure of the transporter, efficient winding and unwinding of the grounding wire are achieved, work efficiency is greatly improved, and work intensity is lowered.

The invention relates to a plane cambered glass periphery film removal device which comprises a film removal table and an electrical control gear, wherein the film removal table comprises a machine frame, a glass transmission assembly, a lifting glass positioning assembly and a robot arm numerical control platform; the robot arm numerical control platform comprises a robot arm and a laser device; the laser device is arranged at the free end of the robot arm; the electrical control gear is respectively connected with the film removal table and robot arm numerical control platform; the glass transmission assembly is arranged on the top surface of the machine frame; the lifting glass positioning assembly is arranged below the glass transmission assembly; and the robot arm is arranged on one side of the machine frame. Compared with the prior art, the plane cambered glass periphery film removal device can implement plane cambered glass periphery film removal, has the advantage of small glass ghosting, can implement automation and is suitable for mass production.

The invention relates to the technical field of ultrasonic and micro-nano control, and discloses a non-contact micro/nano-particle control method. A device for implementing the method comprises an ultrasonic transducer, a vibration transmission plate, a substrate and a plurality of ultrasonic needles. The method comprises the following steps: S1, mixing a solution with micro/nano particles; S2, dropwise adding the mixed solution obtained in step S1 onto the substrate to form liquid drops; S3, adjusting distances between the liquid drops in step S2 and the ultrasonic needles to make the liquiddrops not in contact with the ultrasonic needles; S4, starting the ultrasonic transducer, and adjusting the working frequency and the working voltage of the ultrasonic transducer; and S5, adjusting direction angles between the ultrasonic needles and the liquid drops to realize micro/nano-particle control. Non-contact control avoids damage and pollution to micro/nano particles in the prior art, andthe device has the advantages of easiness in miniaturization, convenience in use, good reliability and the like.

The invention provides an underground continuous wall support replacement structure and a construction method, wherein the underground continuous wall support replacement structure comprises an underground continuous wall, floor slab casting areas and support replacement units; the floor slab casting areas are located at the sides of the underground continuous wall, and each floor slab casting area comprises a formwork and floor slab rebars arranged on the formwork; the support replacement units are arranged on the formworks and located between the floor slab casting areas and the underground continuous wall, each support replacement unit comprises a plurality of support replacement bodies, and the support replacement bodies are arranged at intervals along the length direction of the underground continuous wall; each support replacement body comprises a first support end and a second support end, the first support end abuts against the underground continuous wall, an isolating strip is arranged between the second support ends of each two neighboring support replacement bodies, so that a side formwork of the floor slab casting area is formed, and at least part of the floor slab rebars run through the second support ends to form connecting sections. The invention utilizes the underground continuous wall to build supports and arranges the underground continuous wall support replacement structure, a basement floor slab is then formed by casting and the floor slab rebars are connected, consequently, the difficulty of support replacement construction is decreased, and the efficiency and quality of construction are further increased.

The invention relates to the technical field of mechanical mounting equipment and discloses a blind pin puller. The blind pin puller comprises a front pull rod, a chuck and a center screw. A through hole is formed in the middle of the front pull rod, the lower end of the front pull rod is a counter bore, the end part of the counter bore in the lower end is a cone-shaped horn mouth, the upper end of the front pull rod is a counter bore, the upper end of the chuck is a cone-shaped head, the lower end of the cylinder body of which is big on the lower side but small on the upper side, the upper end of the chuck is a screw hole while the lower end of the chuck is a pin pulling hole, an open slot is formed from a hole arm of the pin pulling hole to the lower end, the cone-shaped face of the cone-shaped head of the chuck is matched with the cone-shaped horn mouth of the front pull rod when the chuck is matched in the counter bore in the lower end, a distance is formed between the front end ofthe chuck and the bottom of the counter bore in the lower end of the front pull rod, the center screw is formed in the middle through hole of the front pull rod, the thread at the lower end of the center screw is matched with a screw hole in the upper end of the chuck, and the head of the center screw is located in the counter bore in the upper end of the front pull rod. The blind pin puller provided by the invention is simple and feasible and convenient to operate, and does not damage a product body and a pin in the pin pulling process.

The invention discloses a casting system for a multi-cavity mould. The casting system comprises a main flow passage, wherein the main flow passage is connected with a flow distribution plate; a plurality of sub flow passages are uniformly distributed on the flow distribution plate; a first gate and a second gate which are vertical to the flow distribution plate are arranged below the sub flow passages; the first gate is close to the main flow passage; the second gate is distributed on the outer side of the first gate; the first gate and the second gate are annularly distributed around the main flow passage; the bottoms of the first gate and the second gate are provided with circular sprue gates. Through the manner, the batch production of a plurality of products can be realized, the casting force is uniform, and thus the product quality is improved without damaging the mould.

The present invention provides a portable three-coordinate milling machine and a machining method thereof, both of which are used for precision machining on high-accuracy mounting surfaces of some important parts on an aircraft assembly production line to meet the accuracy requirements of the mounting surfaces. The portable three-coordinate milling machine and the machining method thereof involve a flat plate assembly, an upright assembly, a sliding table assembly, a milling head and an integrated control system. When the portable three-coordinate milling machine is used for machining aircraft parts, machining can be implemented according to such steps as pre-tensioning, tool setting, cutting amount calculation and milling machining. The pneumatic milling head is compact in structure and thus can be mounted on a portable machine tool and an industrial robot in an adaptive manner. Compared with a motor milling head, the pneumatic milling head has higher cost performance.

The invention discloses a traditional Chinese medicine combined preparation for promoting short-time oestrus of female animals and a preparation method of the traditional Chinese medicine combined preparation, relates to the technical field of Chinese herbal medicines, and solves the technical problems that the existing female animals are low in oestrus rate and high in oestrus return rate after oestrus. Comprising the following components: herba epimedii, actinolite, rhizoma cyperi, semen cuscutae, herba leonuri, rhizoma atractylodis, cortex magnoliae officinalis, liquorice root, radix angelicae sinensis, radix astragali, radix codonopsis, vitamin E, folic acid, beta-carotene, soy isoflavone, organic chromium and sodium selenite. The preparation method comprises the following steps: extracting effective components through microbial fermentation, concentrating the effective components, mixing the concentrated effective components with medicine residues to prepare a mixture, and mixing the mixture with other components to prepare a finished product of the medicine. The traditional Chinese medicines are fermented through microorganisms, the traditional Chinese medicines beneficial to oestrus of the female animals are prepared into finished medicine products which can be directly taken, and the good medicinal value is achieved.

The present invention discloses a surgical auxiliary robot instrument system. The surgical auxiliary robot instrument system comprises a power part, a sterile separator and an instrument, and the power part comprises at least one power group; each power group comprises a motor; each motor is connected with a speed reducer; an output shaft of each speed reducer is sleeved with a telescopic output flange; each output flange can be in inserted connection with a transition flange of the sterile separator; each transition flange can be in inserted connection with an input flange of the instrument;and the number and the positions of the output flanges, the transition flanges and the input flanges are corresponding. The surgical auxiliary robot instrument system provides mechanical conditions for realizing force feedback, realizes direct-sensing operation, greatly improves safety performance of surgical operations, also improves overall safety performance of the device, and is good in stability, high in motion precision, high in mechanism reliability, simple and convenient in operation, simple in manufacture and convenient in maintenance.

The invention discloses an anti-touch protection OLED screen for outdoor advertising. The screen comprises a base, a fixed plate and an OELD screen embedded in the fixed plate, and is characterized inthat the top of the fixed plate is fixedly connected with a solar cell; and the OLED screen is sleeved with a protection screen. The solar cell is electrically connected with an anti-touch protectionstructure arranged in the protection screen. A liquid storage cavity is formed in the fixed plate, a water inlet pipe is communicated with the interior of the liquid storage cavity, the anti-touch protection structure comprises a plurality of transverse strips and vertical strips, the multiple transverse strips are jointly connected with a first collecting ring, and the multiple vertical strips are jointly connected with a second collecting ring. The OLED screen has the advantages that the conductive net layer is made of the transparent indium tin oxide material, so that a current is generated when the contact area of fingers and the protection screen is large, a user is reminded, damage to the surface of the screen is avoided, heat dissipation of the outside to cooling water is achievedthrough the breathable film, and the heat dissipation effect on the OLED screen is improved.

Efficient oil removal equipment for hardware comprises a machine body. The machine body is internally provided with a working cavity which is provided with a forward opening and vertically penetratesthrough the machine body. A first cylinder with an opening face facing up and down is arranged in the working cavity. A hard tube is fixedly arranged between the first cylinder and the left end wall of the working cavity. A first sliding cavity with a forward opening is formed in the rear side end wall of the working cavity. A first sliding block is slidably arranged in the first sliding cavity. Amotor is fixedly arranged in the first sliding block. The equipment removes oil from hardware with different sizes through cavity dividing, the equipment is high in overall automation degree and sensitive in response, and meanwhile, the equipment does not need to add an oil removal agent manually, so that the situation that the equipment is polluted when the oil removal agent is manually added isavoided, the equipment is clean and tidy and convenient and fast to use, the equipment removes oil from the hardware through cavity dividing, the small hardware cannot abrade the surface of the largehardware, the equipment does not damage the surface of the hardware during oil removal, and the operation is safe and reliable.

The invention belongs to the technical field of skin care products, and particularly relates to a camellia flower essential oil skin care lotion and a preparation technology thereof. The camellia flower essential oil skin care lotion is prepared from a camellia flower extracting solution, tea oil, prinsepia utilis royle oil and camellia flower essential oil. The skin care lotion is natural in fragrance and rich in natural nutritional ingredients such as unsaturated fatty acid, camellia dulcin, protein, barringtogenol, vitamin E and mineral substances including potassium, phosphorus, magnesium and calcium, can speed up repairing of a skin barrier function and can be applied to daily accidental skin damage to control inflammations and reduce secondary skin damage; in addition, the structure of the contained fatty acid is very close to that of the human body lipid, the very significant protection and anti-radiation effects on erythrocyte hemolysis caused by ultraviolet rays are achieved, and the significant effect on skin care is achieved.

The invention relates to a farm machine device, in particular to an agricultural pinecone threshing farm machine device. The agricultural pinecone threshing farm machine device comprises a device boxbody, a sieve plate I and a sieve plate II, wherein the sieve plate I is rotationally arranged in a groove formed in the device box body; the sieve plate II is also rotationally arranged in the grooveformed in the device box body; a pinecone extrusion mechanism and a pinecone threshing mechanism are fixedly arranged on the device box body; a pine nut screening mechanism is fixedly arranged on thedevice body and is connected with the sieve plate I and the sieve plate II; and the pinecone extrusion mechanism is arranged on the device box body. The agricultural pinecone threshing farm machine device carries out threshing operation on the basis of the structure of a pinecone, so that both time and labor are saved, the working speed is high, the efficiency is high, and the device also has a screening structure and can separate pine nuts from crushed pinecone residues.