92results about How to "Prevent swaying" patented technology

The invention discloses an inshore sea surface wave energy power generation device. The key point of the technical scheme is that: the device comprises a floating body which can reciprocate with waves up and down, wherein a generator is supported on the floating body; a bracket is arranged below the floating body and is provided with a transverse water flow collecting accelerator for collecting, compressing and accelerating transverse wave water flow; an impeller which is impacted to rotate by the accelerated water flow is arranged at a water outlet of the transverse water flow collecting accelerator; the bracket is also provided with a balance wing plate for balancing wave impact on the transverse water flow collecting accelerator; and the impeller is connected with a rotating shaft of the generator through a transmission mechanism. The invention aims to overcome defects in the prior art, and provides the inshore sea surface wave energy power generation device which has a simple structure and can generate power by using the transverse wave water flow.

The invention discloses an intelligent full-automatic hot-melting button wrapping machine. The intelligent full-automatic hot-melting button wrapping machine comprises a frame and is characterized inthat a winding mechanism, a thread pulling and breaking mechanism, a thread melting and fixing mechanism and a drive device are arranged in the frame, a control system in control connection with the drive device is arranged on the frame, a spool seat for mounting a spool is arranged on the frame, a button wrapping thread tightness adjuster is arranged between the spool seat and the winding mechanism, a thread breaking detecting alarm device is arranged between the button wrapping thread tightness adjuster and the winding mechanism, and the output end of the thread breaking detecting alarm device is connected with the control system. The intelligent full-automatic hot-melting button wrapping machine the thread breaking detecting alarm device is arranged on the frame, the thread breaking detecting alarm device transmits thread breaking information to the control system when the button wrapping thread entering the winding mechanism breaks to guarantee that the machine stops working duringthread breaking, the thread breaking detecting alarm device can also emits notification to notify staff immediately after the thread breaking occurs, and manpower and material resource waste can be avoided.

The invention discloses a river cleaning boat which is not easy to wrap fish and shrimp cage, including the hull, An upper surface of that hull is fixedly connected with a deck, the front and rear sides of the hull are provided with fixed seats, A limit flow baffle plate is fixedly connected with that other end of the hydraulic lifting rod, A swivel tip plate is movably connected to that right side of the swivel pin, A lifting hanger is arrange at that left end of the upper side of the hull, A lifting device is arranged on that left side of the lifting rod, A hinge cylinder is symmetrically and fixedly connected with that middle part of the deck, A cable is arranged on the left side of the hinge barrel, A refuse tank is arranged in the middle of the hull, A garbage tank is movably connected with a garbage tank, left and right ends of the garbage tank are fixedly connected with a traction lifting ring, a water filtering network is fixedly connected with the lower side of the garbage tank, a communication pipe is fixedly connected with the bottom of the garbage tank, a pump machine is fixedly connected with the upper surface of the deck, an electric motor is fixedly connected with the interior of the ship, and a power device is arranged at the lower end of the left side of the ship. The invention has the advantages of simpler and more convenient removal of river surface garbage and convenience in moving and delivering garbage onto the shore.

The invention discloses a die cutting machine with good buffering performance. The die cutting machine comprises a base, an operation platform is fixedly connected at the top pf the base, the top of the operation platform is fixedly connected with a die cutting machine body and provided with a positioning rod, one end of the positioning rod penetrates the operation platform and extends to the outside of the same, the outer surface of the operation platform is fixedly connected with a limiting ring and the outer surface of the positioning rod contacts with the inner wall of the limiting ring; the bottom of the die cutting machine body is fixedly connected with a first transverse plate, the bottom of the first transverse plate is fixedly connected with an annular rubber ring, one end, away from the first transverse plate, of the annular rubber ring is fixedly connected with a second transverse plate, one side face, away from the annular rubber ring, of the second transverse plate is fixedly connected with a first buffering pad, and one side face, away from the second transverse plate, of the first buffering pad is fixedly connected with a powerful spring. Damping effect is improved integrally, vibration amplitude caused by integral operation is reduced, loosening of internal connecting elements is avoided, and accuracy of processing operation is improved.

A belt conveyor with a closed structure for mechanical manufacturing, including a conveyor belt, an adjustment baffle and a lighting lamp; the bottom of the device body is set as a device support frame; the top of the device support frame is welded with a fixing frame; the The upper end of the fixed frame is fixedly provided with a cover plate fixing column, and the top of the cover plate fixing column is fixed with an upper cover plate by bolts; a vacuum cleaner is installed on the top of the upper cover plate, and the top of the vacuum cleaner is provided Dust suction pipe; the inner top of the upper cover is fixed with a spray pipe; the hinges on both sides of the upper cover are connected with side baffles; the side baffles are composed of a handle, a lock and an observation window. And the side baffle is fixed on the outer side wall of the fixing frame through the lock buckle. The belt conveyor with closed structure used for machine manufacturing is equipped with lighting lamps symmetrically arranged on the inclined wall inside the upper cover plate, which is convenient for lighting and observation of the transmission situation inside the device body, so as to find problems in time and solve them as soon as possible.

The invention provides an airing rack suitable for being hung on an outer wall surface of a windowsill. A mounting frame equipped with a horizontal plate is included, symmetrically distributed suspension frames are arranged at the two ends of the horizontal plate, a water blocking device is arranged at the upper ends of the suspension frames, an airing rod is arranged below the water blocking device, pressing devices are arranged on the airing rod, the two ends of the airing rod are connected with elastic telescopic frames through stretching devices, one end of each elastic telescopic frame isinstalled on a hinged column assembly arranged on each suspension frame, a water accumulating device is arranged below the elastic telescopic frames, and the two ends of the water accumulating deviceare connected with green plant placing devices through water absorbing devices; and the horizontal plate is further provided with a shoe airing device. According to the airing rack suitable for beinghung on the outer wall surface of the windowsill, the horizontally arranged telescopic devices and the vertically distributed stretching devices cooperate with each other mutually, so that clothes airing is more convenient, and the arrangement of the pressing devices is beneficial to preventing hung clothes from falling off.

The invention discloses a device for fastening an ultrasonic vibrating screen. The device comprises a screen body. A feed port is formed in the top end of the screen body, the feed port is covered with a dust cover, screen plates are arranged in the screen body, and fastening device bodies are arranged between the screen plates and the screen body. Each fastening device body comprises a bolt and anut, and the bolts and the nuts are spirally connected, annular grooves are formed in the side walls of the thread ends of the bolts. A base is arranged at the lower end of the screen body, a vibrating motor is fixedly installed at the upper end of the base, the power output end of the vibrating motor is connected with eccentric wheels, and longitudinal damping springs are arranged at the upper ends and the lower ends of the eccentric wheels respectively. Through the arrangement of the screen body, the screen plates, the fastening device bodies, the vibrating motor, the eccentric wheels, thelongitudinal damping springs and transverse damping springs, the problems that a traditional vibrating screen is too high in vibrating amplitude, short in service life and high in production cost aresolved.

The invention discloses a surface treatment device for furniture production. The surface treatment device comprises a working table, wherein a polishing device is fixedly connected with the left sideof the top of the working table. Through cooperative application of the working table, the polishing device, an air cylinder, a movable clamping plate, a sliding block, a first sliding chute, a fixedclamping plate, a transmission case, a motor, a rotating block, a swivel pin, a movable block, a movable column, a spring, a fixed block, a movable pin, a transmission block, a first transmission column, a sliding sleeve, a second sliding chute, a positioning column, a second transmission column, a suction hood, an opening groove, a dust treatment box, an exhaust fan, a hose, a dust exhausting pipe, a filtering sleeve, a water filling pipe, a non-slip mat, landing legs, an antiskid base, a sealing ring, a drain pipe, a sealed cap and a control valve, the problem that the existing polishing device does not have the dust absorption function is solved. The surface treatment device has the advantage of absorbing dust, ensures the working environment of a user and avoids the problem that the producing and processing quality of furniture is affected.

The invention discloses a detonation dust suppressing water tank. The detonation dust suppressing water tank comprises a liquidometer, electric cylinders, an auxiliary supporting rod, a dust suppressing draught fan, a high-pressure water pump and sliding wheels. A water inlet pipe is connected to the outer side of a tank body, and a water drain valve is connected to the bottom of the tank body. A control panel is embedded in the outer wall of the tank body. The liquidometer is arranged on one side of the control panel. The tops of the electric cylinders are connected with a jetting pipeline. The dust suppressing draught fan is arranged at the front end of the top of the tank body. The high-pressure water pump and an air inlet are formed in the top of the tank body. A water curtain sprayer and an atomization sprayer are connected to the outer side of the jetting pipeline. The sliding wheels are connected to the bottom of the auxiliary supporting rod. The detonation dust suppressing water tank is provided with the two electric cylinders, the height of the sprayers is adjusted according to the height of the detonation position, the dust suppressing draught fan is arranged, and detonation dust can be subjected to reverse blowing; and the auxiliary supporting rod is connected, and the jetting pipeline is prevented from swinging left and right in the vertical adjusting process.

The invention discloses a rotary orthopedic centrum expander for anterior cervical vertebra. The expander includes a connecting part, two sliding block sleeves, two orthopedic arms and two centrum pins, wherein the connecting part consists of an arc-shaped sliding rail and a hand-held handle which are connected into a whole part, and the arc-shaped sliding rail is provided with a toothed groove; the two sliding block sleeves are arranged on the front and rear portions of the arc-shaped sliding rail in a sleeving mode respectively, a retraction stopping reed is hinged to each sliding block sleeve, one end of each retraction stopping reed is provided with a retraction stopping hook, and openings are formed in the corresponding positions of the sliding block sleeves and used for the retraction stopping hooks to penetrate to hook the toothed groove in the arc-shaped sliding rail; the upper ends of the orthopedic arms are perpendicularly connected with the two sliding block sleeves respectively, and trepannings are formed in the lower ends of the two orthopedic arms respectively; each centrum pin includes a tip part and a rod part. By using the rotary orthopedic centrum expander for the anterior cervical vertebra, the kyphosis centrum of the cervical vertebra can be rotatably corrected and intervertebral space can be expanded at the same time, so that the difficulty of operations is greatly reduced, and the precision of the operations is improved.

The invention discloses a material performance test machine with a nitriding function, and belongs to the material performance test machine. The test machine comprises a rack; a nitriding box fixedlyconnected to the rack, wherein a work holder for clamping two ends of a workpiece is arranged in the nitriding box; a heating coil extending into the nitriding box and surrounding the workpiece; and anitrogen sprayer nozzle extending into the nitriding box; the work holder is connected with a power mechanism for driving the work holder to stretch or compress the workpiece. The nitriding functionis increased in comparison with the normal test machine, the nitriding effect under the material stress effect and the material performance after nitriding can be researched, thereby facilitating theresearch on the performance of the material after nitriding under different tensile stress and compressive stress; the working procedure and time are saved, the research and development of the new material and the strengthening treatment and research on the existing material are convenient.

The invention provides a reinforcement cage hoisting robot for a building and a using method of the reinforcement cage hoisting robot. The reinforcement cage hoisting robot comprises a hook, a hoisting block and a connecting hoisting block, wherein a blocking rod is arranged at the upper part of the hook; a fixed block is arranged at one side, which is far away from the blocking rod, of the hook;a round pin is arranged at the middle part of the fixed block; a pin is arranged at one side of the round pin; a connecting rod is arranged at the top part of the hook; the connecting hoisting block is arranged on one end, which is far away from the hook, of the connecting rod; a fastening screw rod is arranged at the middle part of the connecting hoisting block; a groove is formed in the hoistingblock; the fastening screw rod is arranged at the middle part of the hoisting block; a bearing rod is arranged on the upper surface of the hoisting block; a hoisting ring is arranged on one end, which is far away from the hoisting block, of the bearing rod. According to the reinforcement cage hoisting robot for the building, provided by the invention, an integrated design of the hook and the connecting rod is adopted, a reinforcement cage is prevented from swinging left and right due to the rotation of the hook during a hoisting process, and the reinforcement cage is prevented from collidingwith foreign objects.

The invention discloses a cold roll transport cart convenient for unloading. The transport cart comprises a bottom plate, two mounting plates are fixedly connected to the top of the bottom plate, a top plate is fixedly connected to the top between the two mounting plates, and placing devices which are arranged at equal intervals are fixedly connected to the opposite sides of the two mounting plates; and two sliding grooves are formed in the opposite sides of each of the two mounting plates correspondingly, sliding strips are slidably connected into the four sliding grooves correspondingly, andprotection plates are arranged on the opposite sides of the two mounting plates correspondingly. After the transport cart is moved to a designated area through a pushing handle, a user can better move the convenient for unloading through arrangement of the pushing handle, an anti-skid sleeve can prevent the user from slip in the moving process, a protection plate on any one of the left side and the right side is pushed upwards to be placed above a top plate; and then a cold roller is taken down from the interior of a mounting box, so that the problem that the conventional cold roller transport cart is inconvenient to unload is solved.

The invention discloses a hook wind bracing, and relates to the field of wind bracing structures. The wind bracing comprises a sliding rail, a left sliding block and a right sliding block are arrangedon the sliding rail in a sliding mode, a long connecting rod is riveted to the left sliding block, the upper end of the long connecting rod is riveted to a supporting rod, the middle of the long connecting rod is hinged to a short connecting rod, the end, hinged to the short connecting rod, of the long connecting rod is higher than the end, riveted to the left sliding block, of the long connecting rod, a containing cavity capable of containing the short connecting rod is formed below the end, hinged to the short connecting rod, of the long connecting rod, and the lower end of the short connecting rod is riveted to the right sliding block. According to the wind bracing, the structure is simple and reliable, the left sliding block and the right sliding block are arranged on the sliding rail, and the distance between the left sliding block and the right sliding block is adjusted so that the opening angle of a window sash can be adjusted and controlled, and the opening angle of the windowsash can be flexibly adjusted and controlled; and the containing cavity is formed in the long connecting rod so that unsmooth opening or abrasion caused by hardware extrusion among the supporting rod, the long connecting rod and the short connecting rod can be avoided.

The invention provides a novel paster-free 3D printing panel manufactured by using carbon fiber fabric. The novel paster-free 3D printing panel is composed of multilayer materials and comprises an upper epoxy resin glue layer, a carbon fiber fabric layer and a lower epoxy resin glue layer from top to bottom, fiber of the carbon fiber fabric layer is embedded into the upper epoxy resin glue layer and is exposed to form an exposed fiber layer, and the multilayer materials are fixed and bonded into one through the upper epoxy resin glue layer and the lower epoxy resin glue layer. The paster-free3D printing panel adopts the independently-designed carbon fiber plate manufacturing process and the high-temperature-resistant epoxy resin glue layers, the panel is manufactured by using a special technology in a pressed mode, the adhesion degree is good, the cost is low, the novel paster-free 3D printing panel can be recycled, and the environmental protection property is good.

The invention discloses a suspension type anti-shaking construction platform for building construction. The suspension type anti-shaking construction platform comprises stabilizing frames and a construction hanging basket, and the anti-shaking construction platform is further provided with an anti-shaking structure connected with the construction hanging basket, wherein the anti-shaking structurecomprises a bottom plate perpendicular to the horizontal plane and two through holes formed in the length direction of the bottom plate, the two through holes are symmetrically formed in the directionperpendicular to the horizontal plane, the anti-shaking structure further comprises a pair of fixing pieces, each fixing piece comprises a sliding rod connected with the corresponding through hole ina sliding mode, one end of each sliding rod extends out of the corresponding through hole to be perpendicularly connected with corresponding fixing side plate, grooves are formed in the fixing side plates in the direction perpendicular to the horizontal plane, the bottom plate is further provided with connecting parts used for being connected with the construction hanging basket and limiting parts used for fixing the length of the sliding rods extending out of the through holes. By arranging the anti-shaking structure, the grooves in the fixing side plates make contact with a scaffold, the distance of the sliding rods extending out of the through holes is controlled through the limiting parts, so that the construction hanging basket does not swing leftwards and rightwards in the air, andthe stability of the construction platform is improved.

The invention discloses a stable roller for mall shopping carts. The stable roller comprises a pedestal, a brake roller body and a roller bodies; two lugs are arranged on one side of the pedestal in a protruding manner, the brake roller body is arranged between the lugs, the roller bodies are arranged between the lugs and the brake roller body, and a pin roll penetrates the lugs, the roller bodies and the brake roller body; a brake block is arranged at the bottom of the brake roller body, and a high-friction-coefficient layer is arranged at the bottom of the brake block; the stable roller further comprises elastic buffer pieces and limit blocks, two accommodating grooves used for accommodating the limit blocks and the elastic buffer pieces are respectively arranged on outer sides of the roller bodies, and the elastic buffer piece are arranged between the corresponding roller bodies and the corresponding limit blocks. By the arrangement of the elastic buffer pieces and the limit blocks, the roller bodies are pressed to the middle of the pin roll, and swinging of the roller bodies from side to side during rolling is avoided.

The invention discloses a portable unmanned plane, belongs to the technical field of aviation systems, and aims to solve the problems that in the prior art, the bottom of a conventional unmanned planeis in a spherical shape, the landing is unstable, and in the rainy days, the short circuit of the unmanned plane happens easily. The middle of the spherical body of the unmanned plane is provided with a water tank; a water cavity is arranged in a foldable plane arm; the water cavity is hermetically connected to the water tank through a pipeline; the highest point of the plane arm is provided witha water storage tank that is communicated with the water cavity; the bottom of the water cavity is provided with a wrinkled waterproof film; the position of the waterproof film is corresponding to one side, which faces the water storage tank, of the hollow part of the plane arm, after the waterproof film is unfolded, the hollow part of the plane arm can be covered by the waterproof film; a rotarygear and a rack engaged with the gear are vertically arranged in the water tank, the opening of the pipeline is arranged in one side above the gear, the top of the rack is connected to an umbrella like member, the umbrella like member can stretches out from the opening in the top of the water tank; one side, which is far away from the body, of the water cavity is provided with a sliding piston, apiston is fixedly connected to a support leg that can stretches out of the plane arm, and the piston is connected to the water cavity through a tension spring.

The invention discloses an artificial intelligence ophthalmic lens training auxiliary device. The artificial intelligence ophthalmic lens training auxiliary device comprises a table body, a height adjusting mechanism is arranged at one end of an upper surface of the table body, a head fixing mechanism is arranged in the height adjusting mechanism, a distance adjusting mechanism is arranged on the upper surface of the table body, and a movement mechanism is arranged at a top end of the distance adjusting mechanism. Beneficial effects are as follows: the height adjusting mechanism is arranged to adjust a most comfortable height according to different heights of trainees, the head fixing mechanism is used for pressing heads of the trainees to prevent unconscious left-right swinging, a first motor and a second motor drive a moving mark block to transversely and vertically move along a transverse sliding groove and a vertical sliding groove respectively, eyes of a trainee move along with the moving mark block when the moving mark block moves, a lens training effect is achieved, a moving speed and a moving track are stable, and the training effect is greatly improved.

The nvention provides a high-torsion-resistance foaming material and a preparation method and application thereof. The material is prepared through forming of an EVA compound material. The EVA compound material comprises 30-60 parts of an ethylene-vinyl acetate copolymer, 20-50 parts of a special vinyl polyolefin elastomer, 8-12 parts of ethylene-propylene-diene monomer rubber, 8-12 parts of an ethylene octylene block copolymer, 0.5-0.8 part of a peroxide cross-linking agent, 1-5 parts of a foaming agent and 2-3 parts of an active agent, and the torsional rigidity of the special vinyl polyolefin elastomer is 9-25 MPa. The foaming material has excellent torsion resistance, mechanical properties and the like at relatively low density and hardness, and the torsional rigidity of the material can be improved by 50-200% compared with that of a common EVA foaming material. The material breaks through the limitation that torsion-resistant sheets need to be additionally arranged on traditionalanti-torsion sneakers, and the high-stability and protective motion requirements under medium-and-high-intensity motions are met.

The invention relates to a disinfection device, in particular to a test tube sterilization and disinfection device. The technical problem of the invention is to provide the test tube sterilization and disinfection device capable of improving the washing efficiency. The test tube sterilization and disinfection device comprises a bottom plate and a motor, and the motor being arranged on one side of the bottom plate; a first rotating shaft, arranged on an output shaft of the motor; a missing gear, the first rotating shaft being provided with the missing gear; a first supporting column, arranged on one side of the bottom plate; a sliding sleeve, the first supporting column being rotationally connected with the sliding sleeve; a first straight gear, the sliding sleeve being provided with the first straight gear, and the first straight gear being matched with the missing gear; and a vibration mechanism, arranged on the bottom plate, and the vibration mechanism part being connected with the sliding sleeve. By arranging the clamping mechanism and the limiting mechanism, people do not need to manually fix the test tube, and when the test tube moves up and down, the test tube can be prevented from swinging left and right.

The invention discloses an ammeter surface dedusting wire processing device. The device comprises an installation box, the installation box is internally provided with an installation cavity, the installation cavity is internally provided with a driving mechanism, the installation cavity is internally provided with a dedusting mechanism, the dedusting mechanism comprises a stop block arranged on the rear end wall of the installation cavity, moving grooves are formed in the front side and the rear side of the outer side end wall of the installation cavity oppositely in a center symmetry mode, and moving plates are slidably mounted in the moving grooves in the front side and the rear side. A glass reading part on the surface of the ammeter is subjected to dust removal, treated dust is collected and prevented from being sprayed everywhere, and meanwhile, by wiping a wire connected with the ammeter, the situation that a protective film on the surface of the wire is corroded prematurely andaccordingly the connection condition of the wire is affected due to the fact that the wire is polluted by attached dust is avoided.

The invention relates to a straw cleaning machine with manual feeding, positioned cleaning and dewatering functions and belongs to the technical field of cleaning. The straw cleaning machine with the manual feeding, positioned cleaning and dewatering functions comprises a cleaning water tank. A cleaning tank is arranged in the cleaning water tank. A check block is fixed to the portion, below the cleaning tank, of the inner side wall of the cleaning water tank. A support is installed at the top of the cleaning water tank. A sliding rail is transversely arranged on the support. A sliding block which slides leftwards and rightwards is installed on the sliding rail. A power mechanism is installed at the bottom of the sliding block. A discharging platform capable of facilitating discharging is arranged on the right side wall of the cleaning water tank. The sliding rail extends to the portion above the discharging platform. An air heater is arranged over the cleaning tank and installed on the support through an installation plate. A charging platform capable of facilitating charging is arranged on the left side wall of the cleaning water tank. Stirring blades are installed in the space between the cleaning tank and the cleaning water tank. At least one vertical guide rod is arranged on the sliding block. According to the straw cleaning machine with the manual feeding, positioned cleaning and dewatering functions, the cleaning tank is effectively prevented from swinging leftwards and rightward when moving up and down, the maintenance frequency is reduced, and the maintenance cost is reduced.

The invention discloses a polishing device for gear machining. The polishing device for gear machining comprises a main body box. Two symmetrical fixed blocks are fixedly connected with the inner sidewall of the main body box. The two fixed blocks are each provided with a groove formed in the side face close to each other. A sliding rod is arranged inside each groove in a fixedly connected manner. A junction box is placed inside the main body box. A motor is fixedly connected with the middle of the upper surface of the main body box. According to the polishing device for gear machining, a tooth drum can be driven to rotate by the rotating motor so as to drive a polishing disk to rotate, so that polishing treatment is carried out on a gear material on a base plate; a transmission rod can rotate efficiently, and it is avoided that a transmission rod swings left and right or gets stuck in the use process; because the junction box can be driven to carry out position adjustment when the telescopic end of a linear actuator stretches out or draws back, the height of the polishing disk can be adjusted, the adjustability of the polishing device is improved, and it can be avoided that the inner bottom wall of the main body box is damaged by the polishing disk when in use.

The invention discloses a swinging stop device of a suspended type monorail train. The swinging stop device comprises multiple sets of first swinging stop arms and second swinging stop arms. The firstswinging top arms and the second swinging stop arms are arranged on the two sides of a train body correspondingly and are stretched out and drawn back relative to the train body. When the train bodystops, the first swinging stop arms and the second swinging stop arms are all stretched out till abutting against abutting connection faces, the abutting connection faces are made to exert acting force on the two sides of the train body through the first swinging stop arms and the second swinging stop arms correspondingly to overcome the acting force exerted by passengers on the train body, and therefore the train body is prevented from swinging leftwards and rightwards; and because the first swinging stop arms and the second swinging stop arms are able to make the two sides of the train bodyevenly bear force, the swinging stop effect is better. When the train body runs, the first swinging stop arms and the second swinging stop arms are drawn back inwards, the first swinging stop arms andthe second swinging stop arms are made to get away from the abutting connection faces, and it is avoided that the normal running of the train body is influenced. Therefore, the swinging stop device of the suspended type monorail train can reliably and effectively prevent the train body from swinging. The invention further discloses the suspended type monorail train comprising the swinging stop device.

A sealed compressor housing includes a tubular top cover (1) and a tubular lower housing (2) each with an elliptical horizontal cross section that can be snap-fitted together. Major and minor axial centerlines (21, 22) of the top cover (1) and the lower housing (2) respectively coincide with each other. A centerline of a cylinder core of a cylinder block (6) coincides with the major axial centerlines (21). A terminal pin (3) is provided on the lower housing (2) and is disposed axially symmetrical about a centerline (23) of the terminal pin. A top face of the top cover (1) has an asymmetrically spherical shape. A portion of the top face on the side of the terminal pin and a front side of the top face are higher than a rear side thereof. A bottom outer surface of the lower housing (2) has a smooth ellipsoid shape. An angle is formed between the centerline (23) of the terminal pin and the major axial centerlines (21).

The invention relates to a straw cleaning machine with waterflow stirring, mechanical feeding and positioned cleaning functions and belongs to the technical field of cleaning. The straw cleaning machine comprises a cleaning water tank. A cleaning tank which is capable of moving up and down and is used for containing straw is arranged in the cleaning water tank. Check blocks are fixed to the inner side wall of the portion, below the cleaning tank, of the cleaning water tank. A support is installed at the top of the cleaning water tank. A sliding rail is transversely arranged on the support. A sliding block capable of sliding leftwards and rightwards is installed on the sliding rail. A power mechanism used for driving the cleaning tank to move up and down is installed at the bottom of the sliding block. A charging table capable of facilitating charging is arranged on the left side wall of the cleaning water tank. A charging plate is installed on the charging table, and a pushing plate is arranged on the charging plate. A stirring blade is installed in the space between the cleaning tank and the cleaning water tank. At least one vertically-arranged guide rod is arranged on the sliding block. By the adoption of the straw cleaning machine, the cleaning tank is effectively prevented from swinging leftwards and rightwards when moving up and down, the number of maintenance times is decreased, and the maintenance cost is reduced.

The invention relates to the technical field of engines, in particular to an engine supporting and damping device which comprises a bottom plate, a protection box is arranged at the top end of the bottom plate, a mounting plate is arranged at the top end of the protection box, a groove is formed in the middle of the mounting plate and a diesel engine is connected, and a fixing box and damping springs are sequentially connected to the bottom end of the groove. The other end of the damping springs is connected to the bottom plate. The outer surface of the diesel engine is connected with a fixingsleeve, the other end of the fixing sleeve is connected with a fixing rod through a connecting rod, the end, away from the sleeve, of the fixing rod is connected with a sliding block, a fixing base is arranged below the diesel engine, and a spring and a connecting base are sequentially connected on the fixing base. The connecting base is installed on the mounting plate, a second sliding groove isarranged in the mounting plate, an elastic piece is arranged in the second sliding groove, and the end, away from the second sliding groove, of the elastic piece is connected to the sliding block. When the vehicle turns, the vehicle can be well and quickly restored to the initial position, and the working stability of the engine is guaranteed.