624results about How to "Reduce the difficulty of homework" patented technology

The invention discloses an oil sludge cleaning and processing system for an oil tank. The oil sludge cleaning and processing system comprises a cleaning system, an oil sludge processing system and an integrated control system, wherein the cleaning system comprises a cleaning robot, an electric hydraulic pump, a water pump, an inert gas storage tank and a screw pump; the cleaning robot comprises a machine body, a traveling unit, a cleaning unit, a robot cleaning control unit, a sensing and communication unit and a robot power supply unit; the oil sludge processing system comprises an oil sludge processing device, an oil sludge processing control system and an oil sludge processing power supply device; the oil sludge processing device comprises a stirring machine, an ultrasonic emulsion breaking device, a centrifuge and an ultrafiltration system, as well as an oil sludge storage pool, a sludge pool, a centrifugal liquid storage tank, a concentration tank and a filtrate pool; a funnel is arranged on the stirring machine; and the integrated control system comprises an integrated control computer and a communication circuit module. The oil sludge cleaning and processing system disclosed by the invention has the advantages of reasonable design and high degree of intelligentization, and can realize comprehensive cleaning of the oil tank, good safety, fast oil sludge processing speed and resource utilization of oil sludge, and further reduce environmental pollution and waste of resources.

The invention puts forwards a swimming-walking hybrid bionic blade leg and track combined walking underwater robot and a control method of the swimming-walking hybrid bionic blade leg and track combined walking underwater robot. The swimming-walking hybrid bionic blade leg and track combined walking underwater robot comprises a frame, a floating body module, a hanging bracket, a control sealed cabin, a motion component, a sensing detection component, a visual positioning device and an operation extension module; the floating body module, the hanging bracket, the control sealed cabin, the motion component, the sensing detection component, the visual positioning device and the operation extension module are all mounted on the frame, and the gravity center of the underwater operation robot is located right under the buoyancy center. By adopting the invention, the underwater operation robot can adapt to operation demands for working faces of different categories and different attitudes, and further can adapt to the demands on omnidirectional mobility and obstacle climbing abilities on the different working faces, thereby being capable of providing technical support to various underwater operation tasks completed by the underwater operation robot.

The invention discloses an insulator cleaning robot. The insulator cleaning robot comprises a crawling mechanism, a cleaning mechanism, a locking mechanism, a detection mechanism and a battery control system, wherein the crawling mechanism is of a closed circumferential structure, surrounds an insulator string and drives a robot body to continuously move along the insulator string; the cleaning mechanism is of a closed circumferential structure and surrounds the insulator string; the locking mechanism is evenly arranged on the crawling mechanism, and the crawling mechanism is connected with the cleaning mechanism through the locking mechanism; the detection mechanism is arranged on one side of the locking mechanism, and the battery control system is installed on the crawling mechanism. The insulator cleaning robot is simple in structure; due to the overall symmetrical structure, the stability of the robot is good; as the continuous type movement mode is adopted, the movement speed is high, the cleaning mode is simple, the cleaning speed is high, abrasion to coatings of insulators is small, locking is reliable, an adjustment mechanism can be suitable for insulator strings different in structural height and disc diameter, and electrification insulator string cleaning operation and insulator sheet quality detection can be carried out.

The invention provides a passenger train framework side frame welding positioning tooling, and belongs to the field of bogie welding of railway vehicles. The tooling includes a base, two cap tube centering mechanisms, two cap tube compacting mechanisms, two inclined plane stud positioning mechanisms, two vertical plate compacting mechanisms, three plane stud positioning mechanisms, two transversebar positioning mechanisms, a plurality of lower cover plate compacting mechanisms, two vertical plate lateral jacking mechanisms, four reference positioning blocks, a lower cover plate positioning block pressing pincer and a lower cover plate positioning block. According to the invention, the work load of the welding procedure of a side frame lower cover plate assembly is simplified, the operation difficulty in vertical plane calibration and deformation after welding is directly reduced, the overall working efficiency is improved; and the calibration mapping required for positioning adjustment is reduced, so that the labor intensity is reduced, the precision in assembly positioning is improved, and the production efficiency is improved.

The invention relates to a soil in-situ repairing agent used for synchronous treating heavy metal pollution and organic pollution. The soil in-situ repairing agent includes a mixture A and a mixture B, wherein the mixture A comprises following components, by mass, 100 parts of Hangjin 2# soil, 10-30 parts of activated charcoal, 20-50 parts of cement and 2-5 parts of an organic flocculant; and the mixture B comprises at least three of following components, by mass, 16-32 parts of sodium thiosulfate, 16-32 parts of ferric oxide, 48-96 parts of calcium sulfate, 32-80 parts of aluminum sulfate and 16-32 parts of an alkali metal carbonate. The soil in-situ repairing agent can eliminate bio-availability from heavy metals, such as cadmium, chromium, mercury, lead, arsenic, nickel, zinc, copper, manganese and vanadium. Meanwhile, the soil in-situ repairing agent can degrade and adsorbingly remove organic pollutant in soil and can enable soil after being repaired is stable in aggregate. The soil in-situ repairing agent allows soil to have strong water-retaining property, breathability and water permeability.

The invention discloses a method for mounting a submerged buoy in ultra-deep water. The method comprises the steps of preparation work, mooring system mounting, location and sinking of the buoy, connection between the mooring system and the buoy, and regulation of length of an anchor leg. The invention discloses the feasible scheme for mounting the submerged buoy in the ultra-deep water, an auxiliary anchor chain is not used for controlling the movement of the buoy, but a ballast system is used for controlling the buoy to stably sink, as a result, that the cost and man-hour are increased due to the use of the auxiliary anchor chain, is avoided. According to the method disclosed by the invention, the mooring system is connected with the buoy by matching lifting hooks and ring-shaped buckles, operation difficulty is lowered, the lifting hooks and the ring-shaped buckles are operated in a water depth approaching the submergence depth of the buoy, and the method is easier to operate compared with technology realizing connection on seabed. During the whole mounting process, the working area of remote operated vehicles is not deeper than the submergence depth of the buoy, so that the problems in the prior art of the pressure resistance and safety of the remote operated vehicles working under the sea level are avoided.

The invention provides a swimming and travelling hybrid bionic cutter point leg and all-directional wheel combined underwater operation robot which comprises a frame, a floating body module, a hanging bracket, a control sealed cabin, a movement assembly, a sensing detection assembly, a visual positioning device and an operation expansion module. The floating body module, the hanging bracket, the control sealed cabin, the movement assembly, the sensing detection module, the visual positioning device and the operation expansion module are all mounted on the frame, and the gravity center of the underground operation robot is located under the buoyancy center. By adoption of the swimming and travelling hybrid bionic cutter point leg and all-directional wheel combined underwater operation robot, the underwater operation robot can adapt to the operation requirements of working faces of different categories and different postures and the requirements of all-directional maneuvering and the obstacle crossing ability on the different working faces, and therefore technical support is provided for the underwater operation robot to complete all kinds of underwater operation tasks.

The invention relates to a multifunctional lifting device for a vehicle. The multifunctional lifting device mainly comprises a guide rail support, a support mechanism and driving cylinders, wherein the guide rail support mainly comprises a first support arm and a second support arm, and a first guide rail and a second guide rail are arranged on the first support arm and the second support arm respectively; the support mechanism mainly comprises a sliding block device and a telescopic cylinder, and the sliding block device is arranged in a groove structure of the first guide rail or a groove structure of the second guide rail and can slide in the groove structure in the extension direction of the guide rail; the driving cylinders are fixedly mounted at two ends of the groove structure of the first guide rail and two ends of the groove structure of the second guide rail. With the adoption of the multifunctional lifting device for the vehicle, quick translational motion of the motor vehicle in the lateral direction can be realized, the road space requirement of the motor vehicle during lateral parking is reduced, meanwhile, the operation difficulty of the motor vehicle during lateral parking is reduced, and scratching accidents caused by the motor vehicle during lateral parking are effectively avoided.

The invention provides an automatic leveling tripod. The automatic leveling tripod consists of retractable outriggers, a balance weight cylinder, balance weight bodies, a connecting frame, an instrument connecting bolt, an annular thread disc, a bearing, a fixture block, an instrument level tray, a short connecting rod and a handle. When the automatic leveling tripod is put up, the handle is pulled clockwise to loosen the fixture block; because the balance weight bodies are uniformly distributed in the balance weight cylinder and integrated with the connecting frame having a spherical structure to form an axisymmetric piece, and the centre of gravity is lower than that of the supporting bearing, the upper surface of the instrument tray is automatically leveled under the action of gravity; the handle is pulled anticlockwise to make the fixture block advance inward under the action of the annular screw disc, so that the instrument tray is locked; and the instrument can perform measurement by fine tuning after being arranged. The automatic leveling tripod has the advantages of improving working efficiency and reducing operational difficulty for staff.

The invention provides an installation device for an O-shaped seal ring. The installation device for the O-shaped seal ring mainly comprises a plurality of ring hooking pieces, a radial drive mechanism and a plurality of extendable ejector rods. The multiple ring hooking pieces are evenly distributed around the same center axis, the ends, close to the center axis, of the ring hooking pieces are provided with hook columns, the multiple hook columns are parallel to the center axis, and the outer side faces of the hook columns are used for arranging the seal ring to be expanded in a sleeving manner; the radial drive mechanism can drive all the ring hooking pieces to keep away from the center axis in the radial direction at the same time, and a space for installing a workpiece is formed on the inner sides of the multiple ring hooking pieces; and the multiple extendable ejector rods are arranged on the periphery of the center axis in a parallel manner, each ejector rod corresponds to the gap between the two adjacent hook columns, and the multiple ejector rods carry out upward ejecting at the same time and can push the seal ring away from the hook columns so that the seal ring can be arranged on the workpiece in a sleeving manner. The installation device for the O-shaped seal ring can achieve automatic installation of the seal ring, the operation difficulty and intensity of workers are lowered, the working efficiency can be improved, and the installation quality is stable and consistent.

The invention provides a wireless superficial tissue ultrasonic probe used for ultrasound-guided puncture. The wireless superficial tissue ultrasonic probe used for ultrasound-guided puncture comprises a baseboard, wherein the baseboard is placed on a sickbed or an operating table surface through supporting legs fixedly installed at four corners of a bottom surface, first through grooves are longitudinally formed in two sides of the top surface of the baseboard respectively, an arch support is arranged above the baseboard, the arch support arches up, and two ends of the arch support slidinglymatch the corresponding first through grooves through sliding block guide rail structures respectively. According to the wireless superficial tissue ultrasonic probe used for ultrasound-guided puncture, through an ingenious linkage structure, a doctor can complete operation of moving and locking the ultrasonic probe and supplementing coupling liquid only with one hand, and the doctor can take onehand off the ultrasonic probe at any time to focus on a puncture task or to complete other operation in the premise of enabling the position of the ultrasonic probe to be unchanged and the other handto always hold puncture equipment, so that the task difficulty and the physical burden of the doctor are greatly reduced.

The invention discloses a detection device and a detection method for detecting positional precision of a connecting rod side surface and a cover base surface. The detection device comprises a detecting station, a small-end positioning assembly, a large-end positioning assembly, a movable measuring base and a standard block. According to the detection device and the detection method for detectingpositional precision of the connecting rod side surface and the cover base surface, a reference reading of a detection gauge is obtained by means of the standard block, the measuring gauge is installed on the movable measuring base, the movable measuring base enables the measuring gauge to obtain actually measured readings of the detected connecting rod side surface and the detected cover base surface when the measuring gauge moves to a designated position, and a deviation value of the connecting rod side surface and the cover base surface can be obtained through calculating a difference valuebetween the actually measured reading of each position and the reference reading, the operation is simple, rapid detection of positional precision of the connecting rod side surface and the cover base surface is realized, the detection efficiency is improved, the operation difficulty is reduced for the tester, and the outflow of defective products can be prevented.

The invention relates to the technical field of welding of a PCB (Printed Circuit Board), and provides a welding process of a plug-in unit of the PCB, which can effectively improve the production efficiency, improves the production quality, reduces the production loss and cost, and reduces the operation difficulty and human errors. The process comprises the following steps of: (1) trimming supporting legs of components: trimming the supporting legs of the components into union and formal specification; (2) inserting the components: respectively the components processed in step (1) into corresponding welding pads of the PCB on a tray of a wave soldering machine; (3) viewing and pressing the components: performing visual inspection to confirm that the components are correctly inserted, and then pressing the components on the PCB; (4) performing wave soldering welding: performing welding operation on the PCB by the wave soldering machine; (5) taking out the PCB: taking out the PCB from the tray of the wave soldering machine; (6) detection: detecting the welding quality of the PCB, if the welding quality is qualified, obtaining the finished product, and if the welding quality is disqualified, performing the next step on the disqualified product; and (7) repairing welding: performing manual repairing welding operation on detected poor welding points of the PCB, and obtaining the finished product.