11results about How to "High technical content" patented technology

The light-emitting lamp box of the multi-aluminum-profile combined structure comprises an outer frame, a support is fixed to the back of the outer frame, the bottom of the support is connected with a base, and a detachable picture box body is arranged in the outer frame; the picture box body comprises a box door and a box body shell, the box door comprises a box cover door and a canvas door, one side of the box cover door is rotationally connected with one side of the box body shell through a stainless steel row chain, and one side of the canvas door is rotationally connected with one side of the box cover door through another stainless steel row chain; the rotating directions of the box cover door and the canvas door are opposite; the box body shell comprises a plurality of LED lamps irradiating forwards, a cam lock is arranged on the other side of the box body shell, a lock catch groove matched with the cam lock is arranged on the other side of the box cover door, and opening and closing of the box cover door are achieved by rotating the cam lock. A replaceable picture is arranged in the canvas door, and the middle position of the box cover door is of a transparent structure through which the replaceable picture can be seen. According to the invention, the convenience of picture replacement, the high efficiency of repair and maintenance and the flexibility of assembly type production are integrated.

The invention discloses a stable, efficient and environment-friendly silver nanoparticle lactic acid bacteria biosynthesis method and application, firstly, a nitrate reduction test is carried out to determine the ability of strains to reduce nitrate into nitrite, and optimized strains are screened from six lactic acid bacteria; then, a response surface method is used for optimizing culture medium components for nitrate reductase production, and synthesis conditions are optimized; and synthesizing the silver nanoparticles by using the screened optimized strains. Compared with physical and chemical methods, the lactobacillus synthesis of AgNPs has the advantages of cost effectiveness, environmental friendliness, low toxicity to human cells, easiness in large-scale production, no need of dangerous chemicals, high temperature and high pressure and the like. The invention provides an efficient, stable and environment-friendly method for biologically synthesizing silver nanoparticles by using lactic acid bacteria, the improvement of antibacterial packaging materials is a key strategy and method for controlling microorganisms of chilled meat putrefaction in China, and powerful technical support is provided for scientifically, systematically, efficiently and practically guaranteeing meat safety.

The utility model discloses an electronic meter counting device for a cable vertical meter counter, which belongs to the technical field of cable production equipment and comprises a meter counting wheel shaft, a meter counting wheel, a driving gear, a detection metal block, a square inductive switch and an electronic meter counter. One end of the square inductive switch is an electromagnetic induction end face of the detection metal block, the other end of the square inductive switch is provided with adjusting grooves which are evenly distributed, and the square inductive switch is connected with the electronic meter counter through a wire. According to the utility model, based on the design of an original mechanical meter counter, induced electromotive force generated by electromagnetic induction between the detection metal block and the square inductive switch is used as a drive, and then the square inductive switch transmits a detection signal to the electronic meter counter for processing through a lead. The technical problem that due to mechanical faults of a traditional mechanical meter counting device, metering and recording missing of cables are caused is solved, and the actual production cost of the cables is effectively reduced.

The invention discloses a high-safety remote control angle grinder with a self-powered control function and a profile sleeving device of the high-safety remote control angle grinder. An angle grinder belongs to the technical field of angle grinder control and comprises a grinder body, a motor, a spindle, a grinding wheel protective cover, an innovative grip strength auxiliary assembly and a remote control system based on the RFID technology. And the remote control device comprises an RFID reading module, a control module, a remote control module, a power supply module and a display module, and can be matched with the passive RFID tag on the machine body to realize remote control and parameter adjustment. The grip strength auxiliary assembly is composed of a detachable auxiliary belt and is connected with the machine body through an adjustable connecting mechanism. By means of the design, the holding force of a user is enhanced, and hand fatigue caused by long-time use is effectively relieved. In addition, the invention further discloses a matched automatic metal profile sleeving device, and automatic assembling of the angle grinder shell is achieved. The device comprises a feeding mechanism, a sleeving mechanism, a clamping mechanism and the like, and can automatically complete the work of supplying, positioning, sleeving and the like of the profile without manual participation.

This invention discloses a negative carbon lightweight aggregate based on CO2 mineralization of coal-based solid waste and its preparation method, belonging to the technical field of solid waste resource utilization and low-carbon building materials. The method uses coal-based solid waste such as fly ash and coal slag as main raw materials, introducing uniform micropores through spray granulation with a trace amount of hydrogen peroxide solution. After pre-curing and drying, it is then mineralized and solidified using a low-concentration CO2 atmosphere. This method eliminates the need for cement or other cementing materials, resulting in low cost and no indirect carbon emissions. Furthermore, by synergistically controlling the hydrogen peroxide foaming and CO2 mineralization enhancement processes, the bulk density of the aggregate is significantly reduced; the resulting aggregate has a low bulk density (630~860 kg / m³). 3 With a compressive strength of 4.1~6.0MPa and a water absorption rate of 14~20%, it can meet the requirements of super high-rise buildings, large-span structures, prefabricated components, and the reinforcement and renovation of old buildings, significantly increasing the applicability and economy of coal-based solid waste lightweight building aggregate.

The utility model discloses a tire vulcanization condensation water recycling device, and relates to the technical field of tire vulcanization heat waste recycling. The device structurally comprises a steam trap, a water storage tank, a water pump, a heat exchanger, an overtemperature heat pump, a gas collecting hood, an air feeder and an air supply pipe, the steam trap is arranged on a condensed water discharge port of the vulcanizing machine; the steam trap is communicated with the water storage tank through a first pipeline; a desuperheating water inlet of the heat exchanger is connected with low-temperature desuperheating water, and a desuperheating water outlet of the heat exchanger is connected with the overtemperature heat pump through a third pipeline. According to the utility model, condensed water cooled by the heat exchanger can be used as replenishing water of the cooling tower, and temperature-increased desuperheating water enters the overtemperature heat pump to be reheated, so that high-temperature and high-pressure steam is generated to be used by a vulcanizing machine or other production links needing steam; in addition, in order to recycle hot air released by the vulcanizing machine to the maximum extent, an air feeder on an air collecting hood can be started in winter, and the hot air is conveyed into the overtemperature heat pump to improve the working efficiency of the overtemperature heat pump.

The utility model discloses a mounting and positioning structure of a dust cover of a water pump, the dust cover comprises a top end part, the upper end surface of the top end part is provided with a through glue injection hole, the edge of the inner end surface of the top end part is provided with a combination part which is clamped with a spigot part at the upper end of a pump body, and the combination part can fix a spigot at the upper end of the pump body. The inner end face of the top end portion is further provided with a glue inlet portion fixed with pump body glue, after the columnar body arranged on the inner end face is inserted into the injected glue to be solidified, the purpose of fixing the dustproof cover and the pump body can be achieved, complexity of a two-component mold is reduced, meanwhile, the dustproof cover is further provided with a power line hole, and cost is reduced. The power line hole and the positioning boss on the pump body can be conveniently assembled and positioned, and the glue position line marking opening of the positioning boss can effectively warn the glue injection height.

The utility model discloses a multifunctional integrated intelligent lock, and relates to the technical field of intelligent locks. The lock comprises a front lock body and a rear lock body, a groove is formed in the top of the front lock body, a sliding frame is connected into the groove in a sliding mode, a threaded rod is fixedly connected to the bottom of the sliding frame, a threaded block is arranged on the threaded rod in a sleeved mode, and a driven gear is fixedly connected to the bottom of the threaded block. According to the utility model, through the arrangement of the front lock body, the sliding frame threaded rod and the threaded block, a highly dynamic expansion module installation mechanism is realized, the motor is started to drive the front lock body, the sliding frame threaded rod and the threaded block to rotate, and the installation of the expansion module is facilitated. The motor drives the driving gear and the driven gear to rotate, a user is allowed to easily connect the expansion module to the pin in the sliding frame, and a new function is provided for the intelligent lock or an existing function is upgraded.

The invention discloses a method for installing and positioning a vertical ship lift. The method designs a reference network for installing and positioning the vertical ship lift according to the arrangement position of the ship lift structure. Then, the reference positioning points of the axis of the unobstructed section of the bottom plate of the ship lift and the installation positioning control points are confirmed in sequence by cooperating with multiple total stations and the reference points. A step-by-step method is adopted when confirming the points. The points confirmed last time are used as reference points to determine the subsequent points. In the process of point determination, a positioning reference point device and a positioning control point device are successively embedded. The rack and the nut column are positioned and installed through the confirmed reference positioning points and the installation positioning control points. The method has high technical content, is simple to operate, is safe, and saves time and effort. It can realize high-precision positioning for on-site installation, thereby ensuring that the equipment installation accuracy meets high standards, improves the engineering quality, and ensures the safe operation quality of the vertical ship lift.

The present invention discloses a sludge multi-stage pyrolysis and carbonization integrated device, including a sludge storage room, a sludge drying device, a sludge pyrolysis and carbonization integrated device, and a brick drying room. The sludge drying equipment adopts a concentric three-cylinder mosaic structure, which has a long drying time, a small footprint, low energy consumption, a low exhaust gas temperature, and a small heat dissipation loss. The carbonization furnace and the pyrolysis furnace are integrated, with less investment. The upper component has no furnace wall and connecting pipes, and directly absorbs heat from the lower component, which has a good heat transfer effect, a small footprint, a low manufacturing cost, more convenient operation and adjustment, higher thermal efficiency, and small heat dissipation loss. The pyrolysis furnace adopts a quick-assembly structure, and the inner wall of the furnace body is cast in one piece, which is matched with thermal insulation materials for overall processing, the workshop finalized parts are made, and the on-site assembly is carried out, so the construction period is greatly shortened, the product quality is improved, the labor intensity is reduced, and the total weight of the furnace can be reduced by more than 50%. The brick drying room recovers waste heat, which can bake bricks and remove waste gas.

The present application belongs to the technical field of cabin segment assembly docking, and particularly relates to a six-degree-of-freedom hybrid assembly docking device, which comprises, from top to bottom, a rotation mechanism, a Y-direction driving and rotating assembly, a parallel four-bar adjusting mechanism and an assembly docking track vehicle; the rotation mechanism is the end effector of the whole docking device, and is used for realizing self-rotation positioning of the cabin segment; the Y-direction driving and rotating assembly is used for driving the rotation mechanism to perform rotation movement around the Z axis and linear movement along the Y axis; the parallel four-bar adjusting mechanism is used for realizing linear movement of the cabin segment along the Z axis and rotation around the Y axis; and the assembly docking track vehicle is used for moving the assembly docking device along a predetermined track to a specified position. The present application can realize automatic pose adjustment of six degrees of freedom during cabin segment assembly docking, can better satisfy assembly docking work of cabin segment type components, can improve assembly efficiency, can replace traditional manual assembly, and can greatly improve assembly docking efficiency.