18results about How to "Realize impact" patented technology

The invention discloses a radiation cooling fabric with a long-time phase change heat storage function. The radiation cooling fabric comprises a porous flexible phase change film on the inner layer and a nanofiber film on the outer layer. The porous flexible phase change film comprises a phase change microcapsule, the thickness of the porous flexible phase change film is 1000-1500 [mu] m, and the particle size of the phase change microcapsule is 1-10 [mu] m; the nanofiber membrane comprises nanofibers, the length of the nanofibers is larger than 1000 microns, and the diameter of the nanofibers is 10-1000 nm. And the thickness of the nanofiber membrane is 150 to 500 [mu] m. The prepared flexible film fabric has excellent air permeability, moisture penetrability, cycling stability, thermal stability and washability, and the thermal comfort of a human body in a high-temperature environment is enhanced through the combination of radiation cooling and latent heat storage technologies.

The invention discloses a roadway tunneling and conveying all-in-one machine with impact cutting teeth for assisting rock breaking. The roadway tunneling and conveying all-in-one machine comprises a walking mechanism, a main machine body, a material conveying mechanism, a material receiving mechanism, a multi-dimensional adjusting mechanism, a rotary driving mechanism and a cutting head mechanism. Cutting tooth units distributed along a spiral track are arranged on the surface of the cutting head mechanism, energy storage rebound mechanisms are arranged in the cutting tooth units, impact inertia kinetic energy is stored and released through multi-layer irregular arrangement of balls, secondary rock breaking is achieved, and the cutting efficiency and the hard rock adaptability are improved. The multi-dimensional adjusting mechanism expands the operation range through cooperation of a rotating base, a hydraulic cylinder and a hydraulic telescopic rod. The material receiving mechanism comprises an angle-adjustable material containing plate and symmetrically-arranged material sweeping wheels, the material sweeping wheels buffer a material pushing plate through springs to avoid collision damage, and an auxiliary feeding mechanism is arranged to enhance the material conveying continuity. Impact kinetic energy is recycled, the cutting range is flexible and adjustable, efficient collection and conveying of materials are integrated, and the device is suitable for high-hardness rock stratum roadway tunneling.

The invention discloses an all-electric carrying vehicle with a chassis protection structure, and relates to the technical field of carrying vehicle chassis protection, the all-electric carrying vehicle comprises a chassis, an upper protection plate, an electric control processor, a 3D camera and a laser range finder, the electric control processor is fixedly installed on the top of the outer wall of the chassis, and the 3D camera and the laser range finder are fixedly installed on the front face of the outer wall of the chassis; and the 3D camera and the laser range finder are connected to the electric control processor through data lines, an upper protection plate is movably installed at the bottom of the outer wall of the chassis, and a lower protection plate is connected and installed at the bottom of the outer wall of the upper protection plate through a self-adaptive lifting assembly. By installing the self-adaptive lifting assembly, the self-adaptive lifting protection function is achieved according to different terrains and obstacle conditions, the problem that the protection height of a traditional carrier for protection of a chassis cannot be adjusted is solved, the protection flexibility and operation stability of the carrier are improved, and the carrying efficiency and the protection effect are improved.

The utility model provides a transfer trolley damping mechanism which comprises a rack, a coordination assembly, wheels and a damping structure, the coordination assembly is located at the bottom of the rack, and the wheels are connected to the rack through the coordination assembly; the damping structure is mounted between the rack and the coordination assembly, and a spring is arranged on the damping structure; in the running process, the coordination assembly and the damping structure act together, so that the damping stroke of the wheels forms an arc-shaped motion trail. According to the transfer trolley damping mechanism, the rack and the wheels are connected through the coordination assembly and the damping structure, through the synergistic effect of the coordination assembly and the damping structure, the damping stroke of the wheels can form an arc-shaped movement track, the damping performance of a transfer trolley is greatly improved, and then the experience feeling of a user is improved.

The present invention belongs to the technical field of shooting training, specifically a trigger structure of a training simulation gun, including a trigger box and a trigger, wherein the trigger box is hollow, and the lower right side of the interior of the trigger box is rotatably connected with the trigger through a pin shaft, and the interior of the trigger box is provided with a first hammer and a second hammer, and through the cooperation of the trigger box, the trigger, the first hammer, the second hammer, the second connecting rod, the first connecting rod, the support rod, and the impact rod, the basic function of the trigger can be realized, the impact effect on the simulation bullet can be realized, and the basic operation of simulation shooting can be realized; through the setting of the angle sensor, the moving speed of the impact rod can be measured, so as to judge the force on the simulation bullet and the subsequent shooting situation, and there is a certain basis for the evaluation of the shooting situation; through the laser to detect the position of the support rod, when the support rod is located at the laser, the simulation gun is in a state of preparing to shoot, and the trainee can be reminded.

The invention discloses a buffer protection device, which belongs to the technical field of impact resistance protection of fuse modules, and comprises an inner protection sleeve, an outer protection sleeve and a support column, a hollow part for placing a module is arranged in the inner protective sleeve, a first concave part and a first convex part are arranged on the peripheral wall of the inner protective sleeve, and a second convex part and a second concave part which are matched and embedded with the outer protective sleeve are arranged on the outer protective sleeve, so that the outer protective sleeve is matched and embedded on the inner protective sleeve, and radial force transmission decomposition is realized through the concave parts and the convex parts; radial force impact in the inner protective sleeve is reduced; the supporting columns are arranged in the inner and outer protective sleeves at intervals in the circumferential direction, provide axial support for the device and provide recovery elastic force for the outer protective sleeve. The buffer protection device is simple in structure, convenient to machine and manufacture, low in cost and good in radial and axial overload impact resisting effect, the outer protection sleeve, the inner protection sleeve, the supporting columns and the modules are arranged in a mutually separated mode, and the vibration superposition phenomenon in the buffer protection process is greatly reduced.

The utility model belongs to the technical field of dump trucks, and particularly relates to a rear plate structure of a rectangular box mounted on a wide-body mine truck. A rear plate is I-shaped and comprises an upper plate, a middle plate and a lower plate, the middle plate is provided with a concave plate with a plurality of horizontal bending lines, and the concave surface of the concave plate faces a rectangular box; the left stand column and the right stand column are arranged at the left end and the right end of the middle plate respectively, and the two ends of the upper plate and the lower plate are welded to the left stand column and the right stand column in an attached mode. The upper edge beam and the lower edge beam are arranged on the outer side of the rear plate, the upper edge beam is welded to the upper plate in an attached mode, the two ends of the upper edge beam are welded to the side faces of the left stand column and the right stand column respectively, the lower edge beam is welded to the lower plate in an attached mode, and the two ends of the lower edge beam are welded to the side faces of the left stand column and the right stand column respectively. The rectangular box rear plate is used for solving the technical problems that in the prior art, a rectangular box rear plate needs to be formed by combining and welding a flat plate, a plurality of flat beams, a plurality of vertical beams and the like, so that the welding workload is large, the overall strength is not high enough, and the welding is easy to break under the impact of large stones.

The instrument cleaning device for the stomatology department comprises an outer shell, an inner cleaning shell is fixedly installed at the position, close to the middle, of the interior of the outer shell, a placing disc is arranged in the inner cleaning shell, and two oral instrument clamp frames are fixedly installed on the top face of the placing disc; a plurality of circular through holes are formed in the top face of the placing disc, a liquid inlet pipeline is fixedly installed on the left side of the inner cleaning shell, the end, away from the inner cleaning shell, of the liquid inlet pipeline is connected with an external liquid supply pump, and a circular air disc is fixedly installed on the inner bottom face of the inner cleaning shell. According to the device, traditional mechanical contact type cleaning is replaced with gas-liquid cooperative disturbance, 360-degree dead-angle-free cleaning is guaranteed, meanwhile, collision and abrasion of instruments are avoided, and the dual advantages of instrument decontamination and instrument protection are improved.

The invention discloses a multifunctional screw drill, which belongs to the technical field of oil drilling tools. It comprises a bypass valve assembly, an anti-slip assembly, a motor assembly, a universal shaft assembly, a transmission shaft assembly and a connecting assembly which are screwed in sequence from top to bottom, a rotating assembly is connected and installed on the connecting assembly, an adjusting assembly is slidably connected on the rotating assembly, a plurality of shunt holes and a plurality of flow conversion holes are provided on the rotating assembly, a shunt channel is formed between the rotating assembly and the adjusting assembly, a plurality of first drainage holes are connected and provided on the adjusting assembly, and a drainage channel connected to the flow conversion holes is provided on the adjusting assembly. When the feed speed of the screw drill and the drill bit of the invention is greater than the drilling speed, the drill bit and the transmission column slide upward relative to the rotating tube, the shunt hole is gradually blocked by the transmission column, the drilling fluid pressure gradually increases and impacts the transmission column, prompting the transmission column to move downward, the mud pump continuously delivers the drilling fluid, and the impact and rotation combined drilling is realized, thereby improving the drilling efficiency.

The utility model discloses a height-adjustable cab protection device, and relates to the technical field of truck carriage protection. Comprising a supporting frame body and a protective frame body; the protection frame body comprises a safety frame main body and a first protection assembly; the safety frame body is connected to the upper portion of the supporting frame body through a telescopic assembly. The first protection assembly is connected between the safety frame body and the supporting frame body and used for separating a front plate of a compartment from a cab. The supporting frame body is welded and connected to the front end of the carriage front plate; the supporting frame body is connected with a plate lock which is used for mutually pressing the side wall of the supporting frame body and the side wall of the safety frame main body; the connecting strength of the whole protection device is enhanced, impact and vibration can be resisted, the telescopic movement of the safety frame body relative to the supporting frame body adjusts the height of the first protection assembly relative to the carriage front plate, and therefore protection of different vehicle types is achieved.

The invention relates to the technical field of hydraulic cylinders, and discloses a hydraulic cylinder structure for adjusting a long shaft type movable blade adjustable fan impeller, the hydraulic cylinder structure comprises a positioning sleeve and a fan shell, the outer wall of the positioning sleeve is fixedly connected with a plurality of sliding blocks, and the inner wall of the fan shell is provided with a plurality of sliding grooves; the outer wall of the sliding block is slidably connected to the inner wall of the sliding groove, the inner wall of the positioning sleeve is rotatably connected with a buffering ferrule, the inner wall of the buffering ferrule is fixedly connected with a plurality of springs, the inner wall of the positioning sleeve is rotatably connected with a transmission disc, and a buffering groove is formed in the inner wall of the transmission disc. Vibration generated during operation of the fan is transmitted to the buffering ferrule through the springs on the inner wall of the buffering groove, a buffering space is formed between the buffering ferrule and the buffering groove, and the multiple springs on the outer wall of the buffering groove are used for buffering the transmission disc, so that impact and vibration between the cylinder body and the impeller adjusting mechanism are buffered during operation of the fan; and the effect of prolonging the overall service life of the equipment is achieved.

The utility model discloses a sealing device for a hydraulic slurry pump, and belongs to the technical field of hydraulic slurry pumps. The sealing device comprises a pump body, a discharging pipe is arranged on the outer side of the pump body, an annular sealing piece is arranged between the discharging pipe and the pump body, an annular framework is arranged in the annular sealing piece, inclined rings are symmetrically arranged on the peripheries of the two sides of the annular framework, and threads are arranged on the outer walls of the inclined rings. According to the utility model, the sealing reinforcing treatment of the connecting area of the discharge valve port and the discharge pipe can be realized, the deformation and abnormal use of the pipe body caused by the connected pipe fitting of the discharge pipe under the slurry medium conveying pressure can be effectively prevented, and the deformation or defect of the pipe body caused by the contact between the discharge pipe and an external object during the use of the hydraulic slurry pump can be avoided; and impact and abrasion of hard dopants on the inner wall of the bent part of the discharging pipe can be prevented, and a certain gap is formed between the wear-resisting base plate and the outer arc sleeve, so that buffering and force unloading of a slurry medium conveyed at high pressure are achieved.

The present invention relates to the field of water conservancy survey technology, and specifically to a rock and soil crushing device for water conservancy survey. The rock and soil crushing device for water conservancy survey is arranged at a designated water conservancy site to be surveyed, and then the core mechanism in the rock and soil crushing device for water conservancy survey is used to drill a designated depth at the survey site. After the core mechanism drills the designated depth, the core is then drilled out at the survey site. After the core is drilled out, it does not escape from the ground but is isolated from other rocks and soils by the core mechanism. The crushing mechanism in the rock and soil crushing device for water conservancy survey continuously crushes the drilled out core. The beneficial effect of the present invention is that by achieving the purpose of rock and soil isolation, it can effectively prevent other rock and soil materials from entering the crushing area of ​​the crushing mechanism, thereby effectively improving the crushing efficiency and crushing ease of the rock core by the rock and soil crushing device for water conservancy survey.

The utility model discloses a kind of impact-direct current double working condition pipeline degaussing device, including three-phase rectifier bridge, controller, degaussing coil, filter circuit and high-voltage impact discharge circuit, the positive pole of three-phase rectifier bridge DC output end is connected with the collector of IGBT module Q1;The input end of the filter circuit is connected with the emitter of IGBT module Q1 and the negative pole output of three-phase rectifier bridge 1 by first switching switch K1, the input end of the high-voltage impact discharge circuit is connected with the emitter of IGBT module Q1 and the negative pole output of three-phase rectifier by second switching switch K2, the utility model contains constant-current output circuit and high-voltage impact discharge circuit, can output constant direct current or high-voltage pulse current to degaussing coil as required, a device can realize two working modes of constant-current degaussing and impact degaussing, constant-current output and high-voltage impact discharge circuit share a set of rectifier module and an IGBT module, structure is simpler.

The utility model belongs to the technical field of mechanical test equipment, and we propose a kind of triaxial impact test loading control device based on Hopkinson, including machine case, machine case is provided with gas container box, test box and tail box;The gas container box is arranged at the left side of test box, and the pressurized gas cylinder and air jet pump are arranged in the gas container box;The right side of gas container box is equipped with launching tube, and punch is arranged in launching tube;Launching tube is inserted in the inner cavity of test box to the right;Track and test assembly are arranged in the inner cavity of test box, and test assembly includes abutting induction rod, clamping seat, input rod, three-jaw chuck, chuck and test sample piece;Test assembly is located above track;The input rod is clamped in the middle of three-jaw chuck;The hydraulic chuck of telescopic rod of moving seat and sliding seat is respectively applied axial pre-tightening force and radial dynamic load in this scheme, realizes the synergic effect of axial impact and radial constraint, and accurately simulates the triaxial stress state of material under complex working condition.

This invention relates to the field of online pickling technology, and discloses an online pickling spray device and method for steel wire. The device includes an acid tank, a pickling cylinder disposed within the acid tank, multiple spray components arranged sequentially at intervals along the axial direction of the pickling cylinder, and inlet guide wheels and outlet guide wheels respectively disposed on both sides of the upper surface of the acid tank. The steel wire passes sequentially through the inlet guide wheel, the pickling cylinder, and the outlet guide wheel. Each spray component includes multiple nozzles evenly distributed circumferentially along the pickling cylinder. Along the direction of steel wire travel, the angle between the axis of each nozzle and the direction of steel wire travel gradually decreases from 90°. In this invention, the gradually changing angle arrangement causes the acid to scour the surface of the steel wire along the travel path. The inlet section mainly uses normal impact to break scale, while the outlet section mainly uses tangential scouring and peeling, achieving a synergistic effect of impact scaling and shear peeling. Simultaneously, the evenly distributed circumferential nozzles effectively reduce local pickling dead zones, improving pickling efficiency and uniformity.

The invention relates to the technical field of metal material electric arc additive manufacturing, and discloses equipment for CMT double-wire electric arc ultrasonic assisted additive manufacturing of a titanium-based composite material and a preparation method.The equipment for CMT double-wire electric arc ultrasonic assisted additive manufacturing of the titanium-based composite material and the preparation method.The equipment comprises a machine body, and a multi-axis mechanical arm is arranged on the outer side of the machine body; and a controller is fixedly installed at the top end of the machine body, a preparation assembly is arranged on the outer side of the controller, and the preparation assembly comprises a center hydraulic cylinder. According to the equipment and the preparation method for CMT double-wire electric arc ultrasonic-assisted additive manufacturing of the titanium-based composite material, in order to improve the production efficiency and quickly change additive components, by arranging a preparation assembly and adopting a titanium alloy welding wire as a raw material, through independent multi-wire-feeding design, an operator can carry out program calculation, and the production efficiency of the titanium-based composite material is improved. And then the wire feeding speed is controlled and independent wire feeding is carried out, so that the additive components can be quickly changed, and the production efficiency can be improved.

The utility model relates to the related field of drainage pipes, in particular to a high-strength explosion-proof drainage pipe which comprises a device body, a main pipe body, a connecting assembly and a buffering assembly are arranged in the device body, outer connecting pipes are arranged at the two ends of the main pipe body, and the connecting assembly is arranged between the main pipe body and the outer connecting pipes. The buffering assembly is arranged at the upper end in the main pipe body, the main pipe body is sleeved with two sets of fixing buckles, side edge blocks are arranged on the side faces of the fixing buckles, fixing bolts are connected between the side edge blocks and an external wall body, the buffering assembly comprises a flow guide ring, and the connecting assembly comprises a lower flange and an upper flange. The problem that the main pipe body is broken due to the fact that water flow impacts the corner position of the main pipe body can be avoided, the size of the center opening can be changed, the problem of blockage in the pipeline is avoided, sealing of the pipeline connecting position can be enhanced, and the problem that leakage occurs due to the fact that the flange connecting position is poor in sealing performance or loosened due to pressure is effectively avoided.