26results about How to "Reduced operating requirements" patented technology

The utility model discloses a spring blind mounting structure and external locking pressure type filter press oil cylinder for filter press oil cylinder, including cylinder body, piston and piston rod, and the front end of piston rod is equipped with locking nut through trapezoidal thread, and the locking nut and cylinder body are equipped with guide sleeve, and locking nut is connected with the force handle, and the mechanical locking is formed through the control force handle rotation locking nut, the inside cavity of piston rod is equipped with spring blind mounting structure, including first spring seat, second spring seat and spring, and first spring seat is connected with piston rod through screw no. One, and second spring seat is connected with piston rod through screw no. Two, and spring is connected through first spring seat and second spring seat. Through above -mentioned mode, the utility model discloses through external locking nut and built -in spring reset structure, guarantees mechanical lock pressure simultaneously, reduces the risk of leakage accident caused by filter press oil cylinder failure, and the risk position can be visualized, improves hydraulic energy availability.

The utility model discloses a heavy calcium carbonate device of quantitative conveying splashproof material guiding hopper relates to calcium carbonate processing equipment field, including conveying belt, hopper, inclined baffle and rubber elastic sheet, and the core innovation point is the discharge port flow observation window, adjustable quantitative baffle and spliced discharge port splashproof coaming, adjustable quantitative baffle is located in the hopper discharge port inboard, and the effective unloading width is changed through adjustable screw rod, the discharge port flow observation window is equipped with high accuracy horizontal scale to the baffle, and the inboard is coated anti -fog coating, and the spliced discharge port splashproof coaming is 3 detachable cold -rolled steel sheets, and the enclosure forms "U type " splashproof structure. The device solves the defect that the prior art has no quantitative adjustment, no splashproof protection, no flow monitoring, and adapts to heavy calcium carbonate efficient conveying demand.

The application discloses a kind of pure electric fork truck whole vehicle control system and control method, the whole vehicle control system includes whole vehicle controller VCU, information acquisition module, battery management system BMS, motor controller MCU1 (for controlling walking motor), motor controller MCU2 (for controlling hydraulic servo motor), solenoid valve, display screen module, GPS module, 4G / 5G communication module, network data monitoring and scheduling center.The whole vehicle control system can further achieve the purpose of energy saving, and provides real-time electric fork truck operating status for the driver, enhances driving safety, avoids the occurrence of rollover and front flip accident.

An unmanned aerial vehicle electroscope for a power transmission line can fly to a specified position for electricity testing through a pull rope by means of an unmanned aerial vehicle, manual tower climbing for electricity testing is avoided, and an operator does not need to wear heavy protective equipment to climb to the top of a tower which is tens of meters high and only needs to control the unmanned aerial vehicle to fly on the ground. Risks of aloft work under complex terrains or severe weather conditions are effectively reduced, life safety of personnel is greatly guaranteed, and the problem of high safety risk of a traditional electricity testing mode is solved. After the unmanned aerial vehicle lifts the whole device away from the ground, the pull rope is tightened, the bottom sleeve abuts against all the middle sleeves to the top sleeve to form an integral hard straight rod, and compared with a traditional mode that the unmanned aerial vehicle and the electroscope are connected through a soft insulating rope, irregular swing of the electroscope when the position of the unmanned aerial vehicle is adjusted is effectively reduced; the accuracy of the position when the electroscope moves along with the unmanned aerial vehicle is remarkably improved, the requirement for operation of workers is lowered, and the efficiency of whole electroscope operation is improved.

The application discloses an underwater cable armored connection process applied to the field of underwater cables, which is characterized by using a pair of armored connection devices to connect and fix the disconnected armored layers by the armored connection devices, thereby enhancing the structural strength of the armored layer connection part, effectively reducing the experience requirement for the operator, shortening the overall connection operation time, and preventing the outer diameter of the connection part from being excessively thickened after connection, so that the original cable outer diameter can be maintained, no excessive protrusion is formed, the probability of hooking with underwater objects in the subsequent use process is reduced, and the risk of connection part damage is reduced; grouting filling can integrate the armored connection device and the internal cable into a whole, thereby further improving the integrity and structural stability of the connection structure, and cooperating with a small amount of outer layer wound self-adhesive sealing tape to realize effective outer sheath sealing structure, without additional thickening and reinforcement, while ensuring the connection strength and sealing property, the use requirement of the underwater cable is met.

This invention belongs to the field of liquid chromatography technology, specifically a connector module and a liquid chromatography column. One of the upper and lower connectors of the connector module is fixedly assembled with the liquid chromatography column. Both the upper and lower connectors include a mounting base, a valve core, and a valve sleeve. The valve sleeve is elastically nested outside the valve core. Both the valve core and the valve sleeve have a transition section with a conical mating surface. When the valve sleeve is in an elastic pre-tightened state, the conical surface of the transition section is tightly sealed, ensuring a tight seal, suitable for normal sealing of the liquid chromatography column. During docking, the upper and lower connectors are pressed together, sealing the two valve sleeves and creating a liquid-guiding gap by separating the conical surfaces of the transition section. This allows for convenient and effective sealing and connection of the liquid-guiding channels of the upper and lower connectors. This invention improves the convenience of maintenance and replacement operations of the liquid chromatography column, facilitates automation, and ensures a tight seal, guaranteeing production safety.

This utility model relates to a low-slump concrete mixer truck, belonging to the technical field of concrete mixer trucks. The low-slump concrete mixer truck includes a mixing drum, a loading port, and a guide plate. Two openings are provided at one end of the mixing drum. The loading port is installed at one of the openings of the mixing drum for loading low-slump concrete into the mixing drum. The guide plate is installed inside the loading port and extends into the mixing drum for guiding the flow of the low-slump concrete. Through the design of the guide plate, this low-slump concrete mixer truck can effectively guide the low-slump concrete into the mixing drum, reducing loading blockage and avoiding the problem of low loading efficiency due to poor flowability.

This utility model relates to a wrench for aviation connectors, comprising: a socket head including a groove for fitting and securing the aviation connector; a fixed shaft fixed to the socket head, the fixed shaft being located on the opposite side of the groove, with one end of the fixed shaft extending out of the socket head; and a handle mounted on the fixed shaft and rotatable therearound, the handle being located at the portion of the fixed shaft extending out of the socket head. Compared with the prior art, this utility model has advantages such as suitability for confined spaces, reduced labor intensity, and improved efficiency and quality in the assembly and disassembly of aviation connectors.

The application discloses a kind of laminated glass, laminated glass manufacturing method, panoramic windshield and vehicle, the laminated glass includes: first glass plate and second glass plate;First functional film, cover the integrated film structure of light-adjusting area in upper portion and visual area in lower portion of laminated glass, and first functional film is attached to the inner surface of first glass plate;Second functional film, cover the integrated film structure or splicing film structure of light-adjusting area in upper portion and visual area in lower portion of laminated glass, and second functional film is attached to the inner surface of second glass plate;Third functional film, third functional film is clamped between first functional film and second functional film, and third functional film is located in the visual area of laminated glass;Functional component, functional component is clamped between first functional film and second functional film, and functional component is located in the light-adjusting area of laminated glass, functional component and third functional film are spliced at the position where light-adjusting area and the visual area meet.

The invention relates to a method for synchronously and rapidly detecting multiple parameters of respirable dust and silicon dioxide on a membrane, and belongs to the field of dust monitoring. The method comprises the following steps: S1, carrying out on-membrane sampling and Fourier infrared spectrum scanning on the quartz respirable dust, taking the quartz respirable dust as a spectrum library of a standard sample, and establishing a standard silicon dioxide and quartz respirable dust quality prediction model based on a spectrum absorption peak of silicon dioxide at 800cm <-1 >; s2, selecting different types of dust, carrying out on-film sampling and spectrum comparative analysis, and establishing spectrum databases and dynamic correction models of different types of dust; and S3, aiming at concentration calculation deviation caused by sampling flow fluctuation, establishing a flow compensation and concentration calculation model, and finally realizing synchronous detection of multiple parameters such as respirable dust mass concentration, silicon dioxide mass concentration and silicon dioxide mass percent.

The utility model discloses a reinforced concrete outer wall connecting structure relates to building engineering technical field, the utility model discloses a grouting sleeve one side below is connected with first outer tube through grouting mouth, and first outer tube one side top is connected with grouting joint, and first outer tube inside below places the spring, and spring top place has the push frame, and the push frame top place has the sealing bead, and first outer tube inner ring is connected with the guide ring, the utility model discloses a grouting sleeve one side top is connected with second outer tube through the row of grout mouth. The utility model discloses the setting of first outer tube, spring, sealing bead and guide ring, when grouting operation, the slurry is guided after the top slope of guide ring, and the pressure concentrated effect is in sealing bead, and the sealing bead is driven to move down and drives the push frame compression spring, after stopping grouting, the spring releases the force storage drive push frame and moves up, makes sealing bead and guide ring bottom slope accurate adhesion and blocks, effectively reduces the slurry reflux phenomenon, and the filling fullness of grouting sleeve inside slurry is promoted with the help.

The application discloses a kind of gas suspension laser cutting equipment.The gas suspension laser cutting equipment of the application includes laser cutting gas suspension mechanism and cutting jig;The laser cutting gas suspension mechanism includes suspension gas cavity, the top of the suspension gas cavity has gas suspension part, and at least the top of the suspension gas cavity corresponding the part of the gas suspension part is gas-permeable steel material;The gas filled in the suspension gas cavity can pass through gas-permeable steel and generate balanced thrust to pole piece located on the surface of the gas suspension part, so that pole piece can be smoothly suspended in the air;The cutting jig is arranged outside one side of the suspension gas cavity.The gas suspension laser cutting equipment of the application can realize fast and efficient laser cutting of pole piece.Moreover, the gas suspension laser cutting equipment of the application is provided with purge cleaning module, which can direct the dust generated by laser cutting to fall off, and facilitate efficient removal and collection of dust.

This invention discloses a laser scanning-based device and method for measuring the contour of a new energy motor housing, relating to the field of motor housing size measurement technology. It aims to solve the technical problems of existing devices, which often employ manual or simple pneumatic clamping, easily causing deformation of thin-walled housings and affecting accuracy; requiring multiple flips to achieve full-angle scanning, resulting in low detection efficiency and large cumulative errors; and having complex control logic and low automation, hindering production line deployment. These problems include issues with the detection and positioning mechanisms. This invention sets up two sets of adjustment components along the moving path: a rear component and a front component. When the clamping component moves forward, it passes the rear adjustment component and automatically rotates 90 degrees. After continuing to move forward and completing the upper scan, it rotates 90 degrees again. Only by repeating these steps can a full detection of the housing be achieved. Compared to existing technologies that require multiple flips or multi-station switching, this device significantly shortens the detection cycle and reduces the cumulative errors caused by multiple clamping operations.

The utility model discloses a fine-tuning quantitative injection needle for fine tuning. The fine-tuning quantitative injection needle comprises an empty cylinder; a needle; wherein a connecting piece used for communicating and disconnecting cavities of the needle head and the empty cylinder is arranged between the needle head and the empty cylinder, the bottom end of the needle head is sleeved and detachably connected to the top end of the empty cylinder through the connecting piece, a first piston piece is inserted into the bottom end of the empty cylinder, the first piston piece is arranged on the empty cylinder in a sliding mode, and a flow dividing cylinder is arranged on the side face of the empty cylinder. The flow dividing cylinder and the empty cylinder are both made of transparent materials, scale marks are arranged on the side faces of the flow dividing cylinder and the empty cylinder, the cavity of the flow dividing cylinder is communicated with the cavity of the empty cylinder, an on-off piece used for communicating and disconnecting the cavities is arranged at the communicating position of the cavity of the flow dividing cylinder and the cavity of the empty cylinder, the on-off piece is arranged on the empty cylinder in a sliding mode, and a second piston piece is arranged in the cavity of the flow dividing cylinder in a sliding mode. According to the utility model, the adjustment of the single injection amount can be realized, the operation requirement on a user is reduced, and the injection safety is guaranteed.

This utility model provides a vibration structure for a spherical graphite vibratory grinding device, belonging to the technical field of spherical graphite vibratory grinding devices. The vibration structure includes: a vibratory body, a vibration excitation device, a support base, a transmission shaft, an adjustment mechanism, and a sealing cover. The vibratory body is cylindrical, with a spherical grinding cavity inside, the inner wall of which is made of stainless steel. The support base is fixedly mounted on the ground, and its upper surface is connected to the bottom of the vibratory body via a shock-absorbing spring assembly. The vibration excitation device includes an eccentric wheel and a drive motor, which is fixedly mounted on the side wall of the support base. The output shaft of the drive motor is connected to the transmission shaft via a coupling. This invention solves the technical problems of uneven grinding, poor vibration control accuracy, and insufficient equipment stability in existing spherical graphite grinding devices.

This invention belongs to, but is not limited to, the field of intelligent accounting archive technology, and discloses an intelligent archiving method for accounting archives and a data verification and rollback control method. The method includes: dynamic QR code technology + barcode scanner / PDA + NLP image type recognition + RFID archive borrowing to achieve intelligent archiving; when a document is saved, a QR code is generated based on the relevant information of the document, and the corresponding metadata information is updated at different business nodes; sub-codes and master codes are used to verify data uniqueness; a communication protocol with the barcode scanner / PDA ensures data security; NLP identifies image types, and different types of attachments are verified in different ways; RFID facilitates quick retrieval when borrowing archives. This invention not only effectively improves the management efficiency of enterprises, but also brings positive impacts on energy conservation, environmental protection, and sustainable development. Through optimization of each link, by reducing paper and energy consumption, improving resource utilization efficiency, and enhancing the enterprise's risk resistance, a win-win situation of economic and environmental benefits is ultimately achieved.

This utility model relates to the field of sampling cone cleaning technology, and discloses a cleaning device suitable for sampling cones, including a housing. A servo motor is fixedly installed on the inner front wall of the housing by a pad. A gear is fixedly sleeved on the output shaft of the servo motor. A gear ring is meshed on the outer surface of the gear. A hollow rotating shaft is fixedly sleeved inside the gear ring. The hollow rotating shaft is rotatably connected to the front end of the housing. A rotating rod is provided at one end of the hollow rotating shaft. This utility model uses nylon bristles to penetrate deep into the cone hole for physical friction. Cleaning liquid is atomized from a liquid nozzle to cover and dissolve stains. Compressed air is blown away by an air nozzle to remove residues. This multi-dimensional and rapid removal of deposits can minimize the risk of physical damage to the sampling cone, significantly improve cleaning efficiency and speed, reduce the difficulty of operation and the skill requirements of the operator, reduce human error, reduce instrument performance fluctuations caused by cleaning differences, reduce accidental damage and replacement frequency of the sampling cone, and save consumable costs.

This invention discloses a nano-solid-state hydrogen storage material and its preparation method, belonging to the field of new energy materials technology. The nano-solid-state hydrogen storage material has a core-shell structure, comprising a nano-magnesium-based active phase core and a functionalized porous carbon material outer shell; the core contains in-situ grown multi-metal nanocatalyst particles; the outer shell is doped with non-metallic elements and loaded with metal-organic framework derivative nanoparticles; the core-shell structure is dispersed in a three-dimensional interconnected carbon-based network framework. The preparation method includes: preparing a multi-metal-organic framework precursor solution; synthesizing multi-metal-organic framework nanoparticles using a solvothermal method; chemically combining with a magnesium source and a nickel source to obtain a precursor composite; carbonization treatment to obtain a porous carbon-coated multi-metal nanocatalyst@magnesium-based composite material; constructing a three-dimensional network framework by combining with a functionalized carbon source and metal-organic framework derivatives; and high-pressure hydrogenation treatment. The material of this invention exhibits a low hydrogen desorption temperature, rapid hydrogen absorption and desorption kinetics, and excellent cycle stability.

The present application belongs to the technical field of traditional Chinese medicine detection, and particularly relates to a thin-layer identification method of Xuanyu Tongjing pharmaceutical preparation. The present application provides a thin-layer identification method of Xuanyu Tongjing pharmaceutical preparation, comprising the following steps: preparing a test sample solution A, and based on the test sample solution A, using thin-layer chromatography to simultaneously identify gardenia, licorice, white peony root and cortex moutan in the Xuanyu Tongjing pharmaceutical preparation; according to the thin-layer chromatography: taking the test sample solution A, a control medicinal solution and a control sample solution, respectively spotting on the same silica gel thin-layer plate, and using a volume ratio of ethyl acetate, formic acid, glacial acetic acid and water as 15:(1-3):(1-3):2 as a developing agent for development. The thin-layer identification method can simultaneously detect the licorice, gardenia, white peony root and cortex moutan components in the Xuanyu Tongjing pharmaceutical preparation, and has short detection time and high efficiency.

This invention provides a radar mounting bracket, mounting assembly, installation method, and vehicle. In the radar mounting bracket, the bracket base includes a limiting cavity, which comprises a connected bottom wall and two opposing side walls, and has a side opening. The bottom wall has a first limiting latch group and a second limiting latch group arranged sequentially along the direction away from the side opening. Both the first and second limiting latch groups can be pressed down to be flush with the inner surface of the bottom wall under force, and return to their original position protruding from the inner surface of the bottom wall after the force is released. Each of the two side walls is provided with a third limiting clip, and a slot with an opening facing the side opening is formed between any third limiting clip and the corresponding side wall. This invention significantly reduces disassembly and assembly steps and time, reduces the requirements for operating space and tools, effectively improves production efficiency and after-sales maintenance convenience, and simultaneously reduces enterprise labor costs and vehicle owner maintenance costs.

This invention relates to the field of petroleum equipment technology, and more particularly to a method for modifying a power distribution box for remote control of intermittent pumping operations of pumping units without shutting down. This method includes: laying signal transmission cables to connect the well RTU to the frequency converter in the power distribution box; upgrading the well RTU program according to the frequency converter's communication protocol to enable it to read and modify frequency converter parameters; achieving interconnection between the PC-based remote control system and the frequency converter to read and remotely modify frequency converter parameters; and issuing intermittent pumping commands to the frequency converter through the PC-based system according to the set intermittent pumping operation parameters to achieve remote control. This method utilizes signal transmission cables and the frequency converter's communication protocol to read and transmit frequency converter parameters in real time, ensuring accurate and reliable data. Remote control reduces frequent on-site equipment operation, allowing operators to centrally manage the intermittent pumping operations of multiple pumping units on a PC without manual on-site adjustments, thus reducing manual operation time and labor intensity.

This utility model relates to the field of low-voltage switch technology, and in particular to a pull-out type complete low-voltage switchgear, including a cabinet frame and a drawer unit. By setting multiple sets of centering components on both sides of the drawer unit, each set of centering components includes a limiting groove and a limiting strip. The length of the limiting strip is not less than one-third of the drawer unit, which enhances stability. The fit gap does not exceed 0.5mm to ensure positioning accuracy. When pushed in, the limiting strip is embedded in the three-way guide inclined surface structure of the limiting groove to achieve automatic correction, ensuring that the plug and socket are accurately aligned.

A kind of rockfill material rheological acceleration test method based on small amplitude cyclic stress disturbance belongs to geotechnical engineering technical field.It includes: preparing rockfill material sample and carrying out initial state adjustment;Loading to target confining pressure and target deviatoric stress state;On the basis of target deviatoric stress state, small amplitude axial cyclic stress is applied to promote rockfill material particle contact adjustment, skeleton structure rearrangement and cumulative deformation development;Axial deformation, volume deformation and plastic strain accumulation direction under cyclic loading condition are collected and arranged;Then, the development direction of the volume change-axial deformation obtained by the acceleration test is compared and verified by traditional pure static load rheological test.The invention introduces small amplitude cyclic stress as an acceleration disturbance means, which can quickly obtain the rheological deformation value of rockfill material under the premise that the development direction of volume change and axial change remains reasonable and consistent, shorten the duration of traditional rockfill material rheological test, reduce the long-term stable operation requirements of large test equipment, and improve the efficiency of obtaining rheological deformation value of rockfill material under multiple working conditions.

This utility model relates to a sludge sampling device, belonging to the field of sludge sampling technology. The sludge sampling device includes: a connecting shaft and two sampling shells hinged to the connecting shaft; the opening and closing mechanism includes a first hinge block disposed inside the sampling shell, two first telescopic rods disposed between the first hinge block and the inner wall of the sampling shell, and two second telescopic rods disposed between the two first telescopic rods; by setting up the opening and closing mechanism in conjunction with a metal hose and a steel cable, the sludge sampling device can flexibly sample under various water depth conditions, without worrying about the limitation of the sampling tube length. Compared with traditional sampling tubes, the steel cable structure is smaller and lighter, greatly reducing the requirements for operator operation and making the sampling process more convenient and safer. Furthermore, the use of the metal hose and steel cable together ensures that the sample is not easily leaked during the sampling process, improving the reliability and accuracy of the sampling.

The utility model relates to the technical field of phosphorite decomposition, and particularly provides an ammonium sulfate acidifying and circularly decomposing phosphorite device which comprises a pre-decomposition reaction tank, an acidolysis reaction tank, a first filter, a desulfurization reaction tank, a second filter, an acidolysis dephosphorization reaction tank and a third filter which are sequentially connected through pipelines and pumps, wherein the pre-decomposition reaction tank is provided with a phosphoric acid feeding port, the acidolysis reaction tank is provided with an acidified ammonium sulfate feeding port, filter residues of the first filter are conveyed to the acidolysis reaction tank through a conveying belt, the desulfurization reaction tank is provided with a phosphorite feeding port, and filter residues of the second filter are conveyed to the pre-decomposition reaction tank through a conveying belt. Filter residues of the third filter are conveyed out of the ardealite through a conveying belt. Phosphorite is decomposed through acidified ammonium sulfate, a crude ammonium phosphate solution and ardealite can be obtained, impurities of a product are continuously removed through raw materials subsequently, the content of sulfate radicals in the ammonium phosphate solution can be reduced, and agricultural monoammonium can be directly produced on the downstream. The content of phosphorus pentoxide in the phosphogypsum can also be reduced.

The invention discloses a T96 monomer extraction device, an extraction method and application of the T96 monomer extraction device in leukemia, the T96 monomer extraction device comprises an operation table, a rotary lifting mechanism, an ultrasonic extraction working plate, an ultrasonic extraction concentration cylinder, a heating concentration mechanism, a separation purification cylinder and a high performance liquid chromatograph, the rotary lifting mechanism is fixed on the operation table, and the rotary lifting mechanism is fixed on the operation table; the ultrasonic extraction working plate is fixed on the rotary lifting mechanism, the ultrasonic extraction concentration cylinder is fixed on the heating concentration mechanism, the ultrasonic extraction concentration cylinder is connected with the separation and purification cylinder, and the separation and purification cylinder is connected with the high performance liquid chromatography analyzer. The extraction method of the T96 monomer comprises the steps of crushing, ultrasonic extraction, concentration, alkali liquor extraction, acid liquor balance, secondary extraction, drying by distillation, tertiary extraction, filtration and purification, and high performance liquid phase separation and purification. According to the purification device disclosed by the invention, the complex steps of purifying the traditional Chinese medicine compound monomer are simplified, the intelligent degree is higher, and the high-purity T96 monomer can be obtained through the method.