386results about How to "Reduce the stress area" patented technology

The invention discloses a straightening annealing method for titanium and titanium alloy plates. The method comprises the following steps of: 1, placing a base plate on a material disk of a vacuum annealing furnace and tidily stacking the plates to be processed on the base plate; 2, placing an isolating base plate on the uppermost layer of plate and flatly paving a plurality of pressing blocks onthe isolating base plate; 3, placing a counterweight pressing plate on the pressing blocks and placing metal supporting objects in the space between the periphery of the counterweight pressing plate and the base plate; and 4, cleaning the material disk of the vacuum annealing furnace, pushing the material disk into the vacuum annealing furnace and performing annealing treatment according to a designed annealing process curve. The pressing blocks are adopted in the annealing straightening process and the plate shape of some region in the original plate is not good in the high-temperature annealing process, so the action force of the counterweight pressing plate is concentrated on the pressing block in the region until the plate shape defect in the region is eliminated; and then another rough region is processed and the like, until the whole straightness of the annealing plate is consistent.

The invention discloses a self-adaption sand ground biomimetic mechanical foot, and belongs to a foot type robot mainly applied to walking on sand ground. The self-adaption sand ground biomimetic mechanical foot consists of a support frame, a linear motor, a connecting element, a first foot toe, a second foot toe, an elastic fabric, a buffer mechanism and the like, wherein the connecting element consists of a first connecting element, a second connecting element, a pin shaft and a screw stud; the buffer mechanism consists of a support frame, a foot sole, a spring and a connecting post, and is used for simulating an ostrich tarsometatarsus joint to achieve the buffer and shock absorption effects. The self-adaption sand ground biomimetic mechanical foot can achieve the beneficial effects that when the robot walks on the sand ground, the two toes are separated when the foot touches the ground; the elastic fabric spreads, so that the ground contact area is increased; the stability of the robot is improved; when the foot is lifted up, the two toes are closed and are overlapped for a certain area; the elastic fabric contracts; the stress area in the moving process is reduced. Meanwhile, the bottom of the first foot toe and the bottom of the second foot toe are provided with groove structures matched with the elastic fabric; the sand fixing and current limiting functions can be realized; the gait stability and the traction performance of the foot type robot can be improved.

The invention discloses an integrative drill carriage, which comprises a traveling chassis (10), a hydraulic rock drilling mechanism, an electric control box (7), a hydraulic power mechanism and an operation table (6), wherein, the hydraulic rock drilling mechanism is arranged above the front end of the traveling chassis and comprises a rock drill (5) and a drill arm (4), the rock drill (5) is arranged on the drill arm (4) through a hydraulic propeller (2), the drill arm (4) is hinged with a drill arm seat (10) arranged on the traveling chassis, and a loading and transporting mechanism used for loading material is disposed on the traveling chassis and is composed of a loading part and a scraper delivering machine; and the material is raked into a sliding groove of the scraper delivering machine through the loading part and is transmitted onto a carrier arranged at the rear part of the drill carriage. By adopting the invention, the integrative functions of drilling, transportation and loading can be realized, the mechanized operation of rock drivage can be realized, and the driving speed can be greatly enhanced.

The invention discloses sewage treatment equipment which comprises a treatment box, a water inlet pipe and a drainage pipe, the water inlet pipe is fixed in the center of the top of the treatment box, the drainage pipe is arranged in the center of the bottom of the treatment box, and the water inlet pipe and the drainage pipe are both communicated with the treatment box. The driving rotating shaft is rotatably connected between the two corresponding sides of the inner wall of the treatment box and is close to the top, the crushing devices are fixed to the surface of the driving rotating shaft, the crushing devices are evenly distributed on the surface of the driving rotating shaft and are located at the end of the water inlet pipe, and the filter screen device is fixed to the inner wall of the treatment box and is close to the bottom; and the invention relates to the technical field of sewage treatment. According to the sewage treatment equipment, the purposes of crushing sand balls and preventing blockage are achieved, the sand balls which are bonded into balls can be crushed in time, impact on the equipment is reduced, the service life of the equipment is prolonged, meanwhile, blockage can be prevented, the filtering effect is good, and the using performance is improved.

The invention relates to a water surface floating platform and belongs to the field of floating devices. The water surface floating platform comprises a rigid supporting part and a flexible connecting part. The rigid supporting part comprises at least one layer of peripheral floating table, a center floating table arranged in the center of the rigid supporting part and connecting floating tables symmetrically arranged with the center floating table as the center. The peripheral floating table and the center floating table are connected through the connecting floating tables. The flexible connecting part is arranged in the space defined by the rigid supporting part and comprises a floating block set and a pull rope net which are parallel to each other. The pull rope net comprises pull ropes connected between the peripheral floating table, the center floating table and the connecting floating tables in a criss-cross manner. The pull ropes are provided with tension adjusting devices. By the adoption of the water surface floating platform, rigidity and flexibility are combined, and the structural stability and the environment adaptability of the water surface floating platform are effectively considered; and the modularization detachable design is adopted, the limits in the aspects of production, transport, assembly and the like are broken, and the platform can be conveniently enlarged and transferred.

The invention discloses a cone crusher with a multifunctional spiral crushing wall. The cone crusher comprises a rack; the rack is provided with a feeding hole, a distribution tray, a horizontal shaft, an eccentric driving shaft, an eccentric sleeve, a fixed cone and a movable cone; and the movable cone is sleeved on the fixed cone to form a crushing cavity, the crushing walls of the fixed cone and the movable cone are respectively provided with at least one spiral rib, and the spiral direction of the rib on the crushing wall at the outer side of the movable cone is opposite to that of the rib on the crushing wall at the inner side of the fixed cone. The cone crusher has the remarkable effect of changing the crushing mechanism of the cone crusher in the prior art, namely, changing a main crushing mode into comprehensive application of multiple crushing modes such as 'chopping, breaking, buckling and shearing' and the like, so that the crushing performance of the cone crusher is promoted.

The invention provides a shot peen forming method realizing torsional deformation of a high-rib integral panel. The method comprises steps as follows: step 1, the high-rib integral panel is clamped and fixed; step 2, force pointing to the inner side of skin (1) is applied to two ends of the high-rib integral panel, and force pointing to the outer side of the skin (1) is applied to the middle of the high-rib integral panel; step 3, a shot peening area (3) is determined on the high-rib integral panel, a first nozzle (4) performs shot peen on the outer side of the skin (1) in the shot peening area (3) along a preset shot peen track, and second nozzles (5) perform shot peen on each high rib (2). According to the shot peen forming method, the application of shot peen forming to the integral panel with high rids, thin walls and a torsional shape is broadened, so that the development of the shot peen forming technology is promoted, more space and choices are provided for design and manufacture of the integral panel of an aircraft in the future, and further increase of the integral design level of the aircraft becomes possible.

Anti-falling type advertisement display rack includes a frame; an upright display board is arranged on the frame, the right end of the display board is elastically hinged with the frame by a torsion spring, the upper end of the display board is provided with a vertical rotation stop lever arranged above the display board, the frame is provided with a sliding bar vertically sliding above the rotation stopper, the lower end of the sliding bar is provided with a stopper, the stopper is provided with an inverted U-shaped opening groove horizontally penetrating the stopper, the upper end of the rotation stopper is arranged in the opening groove, and the front and rear ends of the stopper are arranged symmetrically before and after, and the wedge-shaped surface faces downward; The frame is provided with an anemometer arranged above the sliding rod and coaxially with the sliding rod, the anemometer is provided with a first rotating ring coaxially connected with the anemometer and disposed between the slide bar and the anemometer, The sliding rod is provided with a second rotating ring arranged on the upper end of the sliding rod and rotating coaxially with the sliding rod, a plurality offirst connecting rods with circumferential distribution are hinged on the first rotating ring, and a plurality of second connecting rods with circumferential distribution are hinged on the second rotating ring, and the first connecting rods correspond to the second connecting rods one by one and are hinged with each other.

The invention discloses a double clamping groove lining hoop which comprises a hoop strip and a locking component, and is characterized by further comprising a lining adhered to the inner wall of the hoop strip; the lining is a double clamping groove lining comprising a first edge, a second edge and a third edge; the first edge and the third edge are symmetrically arranged; the first edge as well as the third edge comprises a transverse forced part and an inward-tilted supporting part in smooth connection with one end of the transverse forced part; the second edge is an arch part; and the two ends of the second edge are in smooth connection with the bottom of the supporting part of the first edge and the bottom of the supporting part of the third edge respectively in a circular arc-shaped manner to form two convex ridges protruding in the inner diameter direction. As the two convex ridges are arranged on the elastic lining of the hoop, when two pipes are connected through a hose pipe, the two convex ridges form double clamp grooves to reduce the stress area and enlarge pressing force to clamp the hose pipe, so as to ensure firm clamping and eliminate the impacts of poor sealing and leakage caused by high temperature difference variation of a pipeline. The double clamping groove lining hoop has advantages of convenience and fastness in construction and stable system.

The invention provides a forging forming method of forged pieces, which can forge the forged pieces with large total length and gradual molding surface without increasing the tonnage of the forging equipment. The method is characterized by comprising the following steps: putting blank in a die cavity and forging at one time; covering sheet iron which can cover the width of the blank at the upper part of the blank, and directly forging on the sheet iron; removing the sheet iron and forging again.

The invention relates to the field of new energy equipment. More particularly, the present invention relates to a windproof solar street lamp. The street lamp comprises a fixing plate, a street lamp pole, a cross rod and a bulb. The upper surface of the fixing plate is fixedly connected with the street lamp pole; the street lamp pole has a hollow interior, and a telescopic cylinder is mounted in the street lamp pole; the telescopic cylinder is slidably connected with the street lamp pole; a screw rod is mounted in the telescopic cylinder; the top of the telescopic cylinder is fixedly connectedwith a fixed box; first solar panels are arranged on the left side and the right side of the fixed box correspondingly. A first telescopic mechanism is hinged to the side wall of the fixed box; a second solar panel is hinged to the edge of the first solar panel; a rotating shaft is mounted at the top of the fixed box; a wind generating set is installed on the top of the rotating shaft. The heightof the telescopic cylinder can be adjusted through an adjusting motor, a storage battery can be charged through the first solar panel, the second solar panel and the wind generating set, a wind speedsensor is used for monitoring the wind speed in real time, and when the wind speed is too high, the first solar panel and the second solar panel are folded, so that safety is improved.

The invention discloses a wind-resistant billboard, including a billboard main board and a bottom plate. A folding mechanism is arranged on the bottom plate, A mounting plate is arranged on the bottomplate, the mounting plate is provided with a wind sensor for driving the folding mechanism, A billboard main board includes a drive assembly and a plurality of main board assemblies, A drive assemblyand a plurality of main board assemblies are provided with gears, gears are used to engage adjacent gears, A main board of that billboard is also provided with a plurality of first hinge plates, thefirst hinge plate is used for connecting the gears which are meshed with each other. The folding mechanism comprises a rotating electric machine, the output end of the rotating electric machine is connected with a cylinder, A drive wheel is sleeved on the barrel, A passive wheel is arranged on the side of the drive assembly facing the driving wheel, When the detected wind force is greater than themaximum wind force that the billboard can bear, the main board of the billboard is folded so as to reduce the stress area and improve the wind resistance capability.

The invention discloses a tethered balloon system used for marine environmental monitoring. The tethered balloon system can fixedly float in the sea to achieve monitoring and is good in stability performance and easy to transport, install and recycle in the sea. Floating of a tethered balloon is limited within a certain range through a tension leg platform. When the tethered balloon does not rise to a predetermined height yet, buoyancy force produced by gas stored in a compressed gas bag can guarantee normal working of the tension leg platform. When the tethered balloon rises to the predetermined height and starts to perform monitoring, lift force of the tethered balloon provides tension required by stabilization of the tension leg platform, and therefore the design of a pontoon is omitted. Meanwhile, upward traction borne by the tension leg platform can relieve the influence on a bearing platform by a transverse wave load, and therefore the stability of the bearing platform is improved. Besides, the compressed gas bag can be used for storing a certain amount of helium gas, so the height of the tethered balloon is reduced, the tethered balloon is convenient to maintain and recycle, maintenance difficulty and recycling difficulty are lowered, and the helium gas in the tethered balloon can be recycled.

The invention discloses an intelligent automation isolation pile for a highway. The intelligent automation isolation pile for the highway includes pile bodies, a connecting part is arranged between the two adjacent pipe bodies, the connecting part includes an upper supporting beams, a lower supporting beam and shutter slats located between the upper supporting beam and the lower supporting beam, wherein one or more of the upper supporting beam, the lower supporting beam and the pile are provided with anti-collision buffering air bags, and air jet openings are formed in the air bags. Accordingto the intelligent automation isolation pile for the highway, wind resistance can be effectively lowered and automatically adjusted, thus the isolation pile is integrally not prone to shaking, and theair jet openings and a projection device are automatically controlled according to the definition of road surface traffic marks, so that the high definition of the road surface traffic marks are maintained.

The invention relates to the technical field of oil extraction engineering, and belongs to an oil-submerged hollow rotor screw pump oil extraction device with a hollow screw pump rotor and being capable of providing a well flushing channel. The problem that an existing oil-submerged hollow rotor screw pump oil extraction system is short of a controllable hot washing well flushing channel is solved. The oil-submerged hollow rotor screw pump oil extraction device is composed of an anchoring tool (1), an oil-submerged motor (2), a motor protector (3), a coupling (4), a screw pump stator (5), thescrew pump hollow rotor (6), a hot washing valve (7), a centralizer (8), an oil pipe (9), an oil-submerged cable (10), a wellhead (11), a junction box (12) and a ground control cabinet (13). Accordingto the oil-submerged hollow rotor screw pump oil extraction device, technological means are provided for establishing oil sleeve communication when an oil well of the oil-submerged screw pump oil extraction system is produced or operates, maintenance of the oil extraction system is improved, and daily maintenance and operating costs are reduced.

The invention discloses a novel all-purpose tensile machine clamp. The novel all-purpose tensile machine clamp is successfully applied to an LED (Light Emitting Diode) bracket tensile test, aiming atthe characteristics of a current LED bracket that the stretching distance is short, stressed area of a bracket leg is small and the like and improving according to actual conditions of an all-purposetensile machine in a utilization process. The novel all-purpose tensile machine clamp disclosed by the invention is simple in structure and easy to use; the testing time is reduced and the reliabilityof testing data is enhanced.

The invention provides an attack angle following type megawatt vertical axis wind driven generator which comprises a power conversion device, an accelerating box, a generator, electromotors, a spindle, a sleeve, cantilever crossbeams, and a sail vane; the sleeve is sheathed outside the spindle; the spindle and the sleeve are connected by a bearing; the cantilever crossbeams are fixed on the sleeve; one end of the cantilever crossbeam is provided with a transverse sail device; a sail vane self-rotating device is arranged on the transverse sail device; the top end of the spindle is provided with a lightning rod; a wind indicator is connected with an electronic controller; the electronic controller controls three electromotors on each cantilever crossbeam; the electromotors respectively control the transverse sail device to move; meanwhile, the electromotors can adjust the angle of the sail vane, and control the winding and unwinding of the sail vane to lead the generator to be always under a state capable of generating maximum torque. The start wind speed can be effectively lowered, and the wind energy utilization is improved.

The invention discloses an atmospheric environment monitor for municipal roads. The atmospheric environment monitor comprises an atmospheric monitoring device, and a bearing device is arranged at the bottom end of the atmospheric monitoring device; through cooperation of the positioning device and the limiting device, people can rapidly adjust the inclination angle of the power generation device, the applicability is better, the power generation capacity of the power generation device can be improved, and through cooperation of the positioning device, the limiting device and the triggering device, the power generation device can rapidly move to the horizontal position in the strong wind environment; strong wind is guaranteed to be blown on the narrow side face of the power generation device, the stress area of the power generation device is reduced, then wind force borne by the power generation device in the strong wind is reduced, the load of the bearing vertical pipe is further reduced, the wind is shunted through the triangular wind guide strips, the load of the bearing vertical pipe can be reduced again, the force borne by the bearing vertical pipe is obviously reduced, the bearing vertical pipe cannot be damaged in strong wind, and the practicability of the atmospheric environment monitor for the municipal road is improved.

The invention discloses a cone crusher with a radial shearing and crushing function. A set of planetary gear transposing mechanism is arranged inside the cone crusher. An inner gear ring is arranged on a fixed cone body structure. An outer gear ring is arranged on a movable cone body structure. The inner gear ring and the outer gear ring operate in engagement, which is one of the most obvious structural features in the invention. The invention has the following efficacy: by feature of the inner gear ring and the outer gear ring operating in engagement, the fixed cone body structure and the movable cone body structure are locked to carry out synchronous operation at constant speed ratio; an original uncertain free state between a movable cone body structure and a fixed cone body structure in the prior art is replaced; and the radial shearing and crushing function of the cone crusher is realized by the utilization of the difference between planetary gear diameter and crushing chamber diameter to generate linear velocity difference. It is a big leap in cone crusher technologies to endow a cone crusher with the shearing and crushing function.