33results about How to "Avoid force damage" patented technology

The invention relates to an embedded asphalt pavement structure, and particularly relates to an asphalt pavement structure which can bear heavy traffic and has a good anti-rutting effect. An asphalt surface layer is composed of an upper surface layer, a middle surface layer and a lower surface layer, wherein the lower surface layer is a net structure formed by compounding a geonet and concrete prism blocks; and an asphalt mixture of the middle surface layer is embedded between concrete prism block gaps and the geonet of the lower surface layer. The concrete prism blocks have relatively high strength and structural stability, and have a regular shaped bottom surface capable of providing a relatively large bearing surface and reducing pressure on a base layer; the lower surface layer and themiddle surface layer are mutually embedded to form the asphalt pavement structure with two layers of mutually embedded structures; the concrete prism blocks of the lower surface layer are limited bypulling of the geonet and embedding of the asphalt mixture of the middle surface layer, so that displacement and deformation are not easy to occur under the action of heavy traffic load; and a relatively thick asphalt mixture is arranged at the gaps of the concrete prism blocks, so that reflection of shrinkage cracks of the base layer can be resisted, and a bearing capacity of an asphalt pavementis improved on a structural aspect.

The invention discloses a resistance-adjustable shock absorber for an automobile, relates to the technical field of shock absorbers, and particularly relates to a resistance-adjustable shock absorberfor an automobile. The resistance-adjustable shock absorber comprises a resistance-adjustable shock absorber sleeve body, wherein a hollow sleeve rod is movably sleeved in an inner cavity of the resistance-adjustable shock absorber sleeve body, and a supporting plate is fixedly connected to the top of the hollow sleeve rod. According to the resistance-adjustable shock absorber for the automobile,through the cooperative use of a movable plate, auxiliary shock-absorbing springs and the supporting plate, auxiliary shock absorption is conducted through the auxiliary shock absorbing springs on thebasis that an original resistance-adjustable shock absorber for an automobile adapts to oil pressure shock absorption, the problem that the resistance-adjustable shock absorber for the automobile isdamaged due to stress under the condition of huge vibration is solved, the shock absorption effect of the resistance-adjustable shock absorber for the automobile can be improved at the same time, theplunger rod body is assisted in resetting, and the working quality of the resistance-adjustable shock absorber for the automobile is improved.

The invention relates to an automatic tray discharging mechanism for carrier tape production, and relates to the technical field of carrier tape production. The automatic tray discharging mechanism for carrier tape production comprises a machine body and a discharging frame, a winding roller is rotationally arranged on the machine body, a reel is arranged on the winding roller in a sleeving mode, a bearing shaft is arranged on the discharging frame, an accommodating groove is formed in the winding roller, an abutting strip is arranged in the accommodating groove in a sliding mode, and a driving assembly is arranged in the winding roller; a mounting block is arranged on the winding roller in the length direction of the winding roller, at least two rotating rollers are rotationally arranged on the mounting block, a conveying belt is wound on the rotating rollers, and a driving mechanism used for driving the conveying belt to rotate is arranged in the winding roller. In the discharging process, the driving mechanism drives the conveying belt to move, the conveying belt drives the reel to move towards the position close to the bearing shaft till the reel is completely transferred to the bearing shaft, then a new reel is placed on the winding roller, discharging is completed, and discharging is convenient. and in the whole process, a worker does not need to hold a baffle disc to drag the whole reel outwards, and the baffle disc is effectively prevented from being damaged and deformed.

The invention provides a preparation device of a water-soluble organic carbon fertilizer, belonging to the field of stirring kettles. The preparation device comprises a kettle body and a kettle cover,wherein the kettle cover is mounted at the top end of the kettle body; a driving assembly is erected at the center of the top end of the kettle cover; a driving rod is arranged in the kettle body; the driving assembly is in transmission connection with the driving rod; self-adaptive wall scraping assemblies are connected to the upper and lower positions of the periphery of the driving rod; the self-adaptive wall scraping assemblies are connected to the surface of the driving rod in a horizontal symmetry manner; and each self-adaptive wall scraping assembly comprises stirring pipes, telescopicrods and self-adaptive scrapers, the stirring pipes are symmetrically connected to the driving rod, the stirring pipes are internally provided with circular cavities, the telescopic rods are insertedinto the stirring pipes, and one ends of the telescopic rods are located in the stirring pipes and connected with limiting blocks to scrape a mixture adhering to the inner wall of the kettle body, sothe problem that the available volume of the kettle body is reduced due to the fact that the space in the kettle body is occupied by the mixture and the problem that material proportioning errors arecaused by adhesion of the mixture are solved.

The invention discloses a mounting guider of an aircraft carbon brake disc, and belongs to the technical field of aviation equipment. The mounting guider comprises aligning guide rails, a base, a handle base and a handle; the aligning guide rails are respectively consistent with guide rails in an aircraft main wheel hub in number and size, are uniformly fixed on the upper end surface of the base in the peripheral direction, and are corresponding to the guide rails in the aircraft main wheel hub in position one to one; and the handle is fixed on the lower end surface of the base through the handle base. The guider can guarantee convenient installation and uniform stress of the carbon brake disc, improves the mounting efficiency, reduces unnecessary losses caused by damage of the brake disc due to overhauling and renewed assembly, is simple in structure, portable, stable in performance and reliable in use, and cannot damage the carbon brake disc in the use process.

The invention discloses a spanner which comprises an upper spanner opening, a movable lower spanner opening and a spanner shell. The lower spanner opening is driven by a feeding mechanism to act to move linearly opposite to the upper spanner opening, the feeding mechanism comprises swinging teeth, a driven gear meshed with the front ends, of saw teeth of the swinging teeth, and a feeding gear coaxial with the driven gear and driving the lower spanner opening, and the feeding gear is meshed with a brake ratchet ensuring that the feeding gear rotates in one direction. The spanner is characterized in that a one-way bearing is fixedly arranged in the driven gear, the feeding mechanism further comprises a feeding trigger connected with the spanner shell in a rotating mode, the feeding trigger is provided with a pressing portion extending out of the spanner shell, and the swinging teeth and the feeding trigger are located on the front end portion in the spanner shell and rotate synchronously; the spanner further comprises a reset mechanism which comprises a reset trigger which drives the swinging teeth to be separated from the driven gear and enables the brake ratchet to be separated from the feeding gear.

The invention discloses a directly-cutting injection mold. The injection mold comprises a base plate, a lower mold, an upper mold, a top plate, guide post guide sleeves and a cutter. The lower mold is arranged above and in contact with the base plate. The upper mold is arranged above the lower mold. The top plate is arranged above the upper mold. The guide post guide sleeves are fixed around the base plate. The top plate is fixed above the guide post guide sleeves. The cutter is arranged within the lower mold. In the abovementioned way, the directly-cutting injection mold of the invention has advantages of high reliability, fast speed, compact structure, automatic cutting injection bracket, simple construction and good practicability. Meanwhile, the injection mold has wide market prospect in the injection mold market.

The invention relates to the technical field of automobiles, and discloses an automobile rear bumper and an automobile. The automobile rear bumper comprises a bumper body installed at the tail of theautomobile, a spare wheel carrier, a shaft sleeve and a circular-truncated-cone-shaped rotating shaft; the rotating shaft is arranged at one end of the bumper body in a swinging mode, and the shaft sleeve is fixed at one end of the spare wheel carrier; the spare wheel carrier is arranged on the rotating shaft in a rotating and sleeving mode; and the other end of the spare wheel carrier is detachably connected with the bumper body. According to the automobile rear bumper and the automobile, the circular-truncated-cone-shaped rotating shaft is arranged, and the rotating shaft is arranged at oneend of the bumper body in a swinging mode; meanwhile, the shaft sleeve is arranged at one end of the spare wheel carrier, and the rotating shaft is sleeved with the shaft sleeve so that the lower endof the shaft sleeve can swing left and right around the upper end of the spare wheel carrier when the other end of the spare wheel carrier ascends or descends; free adjustment of the angle of the spare wheel carrier is achieved, damage to the shaft sleeve due to stress during adjustment is avoided, and structural reliability is guaranteed; and vertical precision is not required, production requirements are reduced, and popularization and application are easy.

The invention discloses a balance adjustment mechanism for a power cable pay-off rack. A cross bar is placed at the tops of supporting devices. A bothway hydraulic cylinder is installed in an inner cavity of the cross bar, and the two ends of the bothway hydraulic cylinder are both provided with piston rods. Crash pads are bonded to the outer surfaces of the piston rods. T-shaped base plates are arranged at the bottoms of the supporting devices. Balance adjustment devices are installed at the bottoms of the T-shaped base plates and are further composed of upper shells, attachment bolts, rubberbuffer blocks, positioning plates, springs, lower shells and rubber damping plates. According to the balance adjustment mechanism for the power cable pay-off rack, the piston rods are slowly jacked up at the constant speed in opposite directions, clamping force is generated from the inner circle of a cable reel, the effect that the take-up and pay-off processes are more stable is guaranteed, themultiple sets of the balance adjustment devices are kept stable together, the effect that the whole device can be stressed more evenly is ensured, working is more stable, the phenomenon of local uneven stressing is avoided, and the installation stability of the inner structure is reinforced.

The invention discloses a stopping device. The stopping device comprises a shell and rigid polyurethane foam, a cavity is formed in the shell, and the shell is filled with the rigid polyurethane foam. Raw materials of the rigid polyurethane foam comprise polyhydric alcohol, isocyanate, a foaming agent and a modifying agent. The stopping device has the following advantages and effects that firstly, polyvinyl chloride and acrylonitrile-butadiene rubber are adopted to prepare the shell, and the shell is filled with the rigid polyurethane foam so as to lower the proportion of the stopping device; secondly, the modifying agent is added in the rigid polyurethane foam, the modifying agent selects and uses a porous material so that the strength of the rigid polyurethane foam can be improved obviously, and the stopping device is avoided to be stressed and damaged; thirdly, the cavity is formed in the bottom of the shell so that the weight of the stopping device can be lowered, and rubber strips are arranged at the bottom of the stopping device to achieve the anti-slip effect; and fourthly, an oblique blocking face is arranged on the shell, anti-slip bulges are arranged on the blocking face, so that a good blocking effect on a vehicle wheel is achieved, and the effects that the strength is high, the proportion is low, a good blocking effect on the vehicle wheel is achieved, and transporting is convenient are achieved.

The invention provides a bottle cap and a bottle combination structure. The bottle cap comprises a cap body, a pull tab, at least one self-destructing part and a connecting part; the pull tab is connected through the self-destructing part and cover a material taking port; the pull tab and the self-destructing part are integrally formed, so that before a material is taken, the material taking portis always in the state of being closed by the pull tab; since the pull tab needs not to be operated for encapsulating when bottling is completed to prevent the pull tab from being damaged by force andimprove the yield of the product; and the pull tab and the self-destructing part are integrally formed on the material taking port, the pull tab is bound to be pulled to cause breakage and damage ofthe self-destructing part when the material taking port is opened, the identification is very easy, the secondary use of a bottle cap is avoided, and the safety and the reliability of the use of the bottle cap are improved. A stopper adding section is arranged below the connecting part, and the bottle cap is installed on a bottleneck through the stopper adding section in advance, the stopper adding section is provided with a ring, close to the edge part of an opening, of the bottle cap, the ring is adapted to the external shape of the bottleneck, the bottle cap and the bottleneck are relatively fixed together without the need to change of the structure of a bottle body, the structure is simple, and the processing cost is lower.

The invention discloses a cage engineering ship and a ship-borne cage construction method. The cage engineering ship comprises a ship body, and a cage floating pipe framework construction device is mounted in a floating pipe framework construction launching area of a deck of the ship body. The cage floating pipe framework construction device is provided with a hot melting welder, a winch, four guide rollers, a first limiting column and a second limiting column at relatively fixed positions. A first steel wire rope and a second steel wire rope are wound sequentially through the winch, and buttwelding is completed by the hot melting welder, so that cage floating pipe framework construction is realized. By the cage engineering ship, raw materials can be transported to a cage mounting sea area, then cage floating pipe framework construction is completed on the ship, and launching is performed, so that problems of difficulty in searching of a site suitable for cage floating pipe frameworkconstruction and difficulty in launching in the prior art are solved. In addition, the automation degree of cage floating pipe framework construction is raised, manpower resources required for cage floating pipe framework construction are reduced, and cage floating pipe framework construction quality is guaranteed.

The invention discloses a low-magnetic-flux-leakage high-strength rotor punching piece for an electric vehicle permanent magnet motor, which is simply referred to as a rotor punching piece 1. The rotor punching piece used in the invention is provided with magnetic steel grooves, connecting bands, transition arcs, weight reducing holes and a rotating shaft hole, and the connecting bands of the rotor punching piece are narrowed to reduce the magnetic flux leakage rate, and at the same time, parabolic transition arcs are arranged in the magnetic steel grooves connected with the connecting bands,so that the force bearing point of the centrifugal force is collected at the focus of the parabolic transition arcs to enhance the strength of the connecting bands and to avoid damage due to the force, and the electric vehicle permanent magnet motor achieves the purpose of reducing the magnetic flux leakage rate, increasing the output power, increasing the strength, and reducing the cost without increasing the shape and cost.

The invention discloses an electronic cigarette with a support limiting function. The electronic cigarette comprises a base and a second spring, an abutting block is installed in the base, the second spring is installed on the left side of the abutting block, a cigarette rod shell is installed on the right side of the base, a first supporting block is installed on the inner wall of the cigarette rod shell, and a sliding block is installed on the right side of a second fixing frame. And a containing groove is formed in the sliding block, a second supporting block is installed on the right side of the sliding block, a limiting groove is formed in the rear end of the first supporting block, and a first spring is installed in the limiting groove. The base, the cigarette rod shell and an atomizer mounting shell which are in threaded connection are arranged, so that the base, the cigarette rod shell and the atomizer mounting shell can be conveniently detached, parts in the base, the cigarette rod shell and the atomizer mounting shell can be overhauled and replaced, and the interior of the cigarette rod shell can be conveniently taken out to be overhauled.

The invention discloses a pipeline laying auxiliary device for water conservancy and hydropower engineering construction. The pipeline laying auxiliary device for water conservancy and hydropower engineering construction comprises a base, a groove is transversely formed in the bottom of the base, the left side and the right side of the outer wall of a two-way lead screw are both sleeved with bearing seats in a threaded mode, fixing pieces are fixed to the tops of the bearing seats, and anti-counter-force supporting mechanisms are fixed to the sides, opposite to each other, of the two fixing pieces. Through arranging the anti-counter-force supporting mechanisms, a second driving device is driven to drive a connecting base to enable two supporting frames to move outwards, meanwhile, when the supporting frames move, two supporting plates drive rolling pieces to move upwards through wedge-shaped blocks, on one hand, the non-fixed part of a pipeline is supported, the force arm is increased, the fixed part of the pipeline is prevented from inclining upwards, and thus the fixed positions of the fixing pieces are prevented from being damaged due to stress; and on the other hand, the downward force of the pipeline does not directly act on the fixing pieces, so that the pipeline does not generate large indentations.

The invention discloses a lifting device for a wave rider structural member, belongs to the technical field of thermal protection structure assembly, and solves the problem of difficult lifting of thewave rider structural member in the prior art. The lifting device comprises a lifting appliance, a connecting belt and a clamping jaw module; the clamping jaw module comprises two longitudinal beamsarranged in parallel, and at least two pairs of clamping jaws; the longitudinal beams are connected with the lifting appliance through the connecting belt; one part of the clamping jaws are fixedly connected with one ends of the longitudinal beams, and the other part of the clamping jaws are fixedly connected with the other ends of the longitudinal beams; and the clamping jaws are respectively fixedly connected with the positions, without thermal protection layers, at two ends of the wave rider structural member. The lifting device can be used for lifting the wave rider structural member.

The invention belongs to the technical field of heat treatment and equipment, and relates to a heating device, in particular to a vertical wall-mounted non-water-tank solar water heater. According tothe vertical wall-mounted non-water-tank solar water heater, an outer shell of the vertical wall-mounted non-water-tank solar water heater is in a hollow cuboid with one opening surface. A buffering layer covers the outer shell. A toughened glass plate is located on the opening surface of the outer shell, and a cavity structure is formed. A glass cavity is of a whole glass structure, is located inthe cavity structure, and includes a vacuum cavity, a vacuum glass endothermic cavity, a heat conduction liquid cavity and a water storage cavity which are each of a cavity structure. The glass cavity further comprises a blue film coating sprayed and coated in the vacuum glass endothermic cavity. The vacuum glass endothermic cavity is adjacent to the toughened glass plate. A water inlet and a water outlet penetrate from the outer shell into the water storage cavity. By means of the vertical wall-mounted non-water-tank solar water heater, vertical installation can be achieved, the water storage capacity is high, an additional water tank is not needed, installation is more convenient and efficient, the glass structure is low in cost and easy to machine, the thermal efficiency is high, the service life is long, the inner part structure is stable, the water outlet quality is high, and low-level installation can be achieved.

The medium-light-intensity aviation obstruction beacon comprises a lamp body, a lamp body flange is integrally formed at the bottom of the lamp body, the bottom of the lamp body flange is in threaded connection with a lamp holder flange through a fastening bolt, a lamp holder is integrally formed at the bottom of the lamp holder flange, and sealing structures are arranged on the opposite outer sides of the lamp holder flange and the lamp body flange. A connecting column is vertically connected to the center of the bottom of the lamp holder in a bolting mode, and a reinforcing disc is connected to the bottom of the connecting column in a bolting mode. Through cooperation of the sealing washers, the connecting position of the lamp body flange and the lamp holder flange can be sealed, through cooperation of the limiting holes, the hoops, the limiting columns and the connecting bolts, the outer side of the connecting position of the lamp body flange and the lamp holder flange can be subjected to sealing and waterproof treatment again, and external rainwater is prevented from entering the lamp body to damage components of the lamp body; through the water swelling glue, after the interior of the hoop is soaked in water, sealing waterproof protection treatment can be conducted between the lamp body flange and the lamp holder flange through swelling changes.

The invention relates to a neodymium-iron-boron magnet preparation device which comprises a rack, a stock bin, material distribution devices, feeding devices, profiling devices, a stacking device, a powder recovery device and a control system. The stock bin is arranged at the upper end of the rack; the two material distribution devices are arranged on the left side and the right side of the rack respectively and comprise material weighing machines and material distributors correspondingly, wherein the material weighing machines are communicated with the stock bin, and the material distributorsare arranged at the lower ends of the material weighing machines; the number of the feeding devices is two, and the two feeding devices correspond to the two material distribution devices respectively; the number of die mechanisms is two; a transposition oil cylinder is arranged on the bottom side of the rack, and the transposition oil cylinder controls the die to conduct transposition operation;lower pressing blocks of the two die mechanisms are fixedly connected; and the distance between the two profiling devices meets the requirement that when any one profiling device is located at the profiling position, the other profiling device is located at the material filling position of one feeding device. The material distribution is uniform, the product consistency is high, and continuous production of products can be realized; and the invention relates to the technical field of neodymium-iron-boron magnet machining.

The invention discloses a multi-electrode soil moisture detector, and relates to the technical field of soil detection.The multi-electrode soil moisture detector comprises a multi-electrode soil moisture detector body, a display panel is arranged on the front face of the multi-electrode soil moisture detector body, and a detection rod is fixedly connected to the bottom of the multi-electrode soil moisture detector body; and a protection mechanism is arranged at the bottom of the detection rod, soil fastening mechanisms are arranged on the two sides of the multi-electrode soil moisture detector body, and the protection mechanism comprises a soil blocking through ring. The alloy probe is in contact with soil, then the soil is guided to the bottom of the soil blocking through ring through the arc-shaped block, the soil can be in contact with the outer wall of the detection rod after passing through the discontinuous through groove, and large gravel can be blocked through the discontinuous through groove; and the problem that the outer wall of the detection rod is damaged due to the fact that large gravel slides upwards relative to the detection rod is avoided, and the problem that the outer wall of the detection rod is abraded due to the large gravel in soil is solved.

The invention relates to a cutter continuous automatic straightening and leveling machine and a cutter continuous heat treatment furnace, and the cutter continuous automatic straightening and leveling machine comprises a transmission machine, a moving trolley, a moving driving device, a bottom plate and a flattening and straightening device, and can realize automatic transmission, flattening, straightening, cooling and shaping of cutter blades and the like. And materials such as cutter blades subjected to heat treatment are straight, free of deformation and good in quality. The flattening and straightening device comprises a pressing plate and a lifting driving device, the lifting driving device is installed on the moving trolley and can drive the pressing plate to ascend or descend, the moving trolley can be driven by the moving driving device to move towards a feeding end, the moving trolley drives the flattening and straightening device to automatically move to the feeding end to flatten the cutter blade, and the need to manually pick and transfer the cutter blades from the heat treatment furnace one by one is avoided. According to the machine, manual operation is not needed, the labor cost is effectively saved, and the working efficiency is improved.

The invention discloses a net cage floating pipe framework construction method. The net cage floating pipe framework construction method is implemented on the basis of a net cage floating pipe framework construction device, the net cage floating pipe framework construction device is provided with a hot melting machine, a winch, four guide rollers, a first limiting column and a second limiting column with relatively fixed positions; and the construction method comprises: coiling a first cable wire and a second cable wire by the winch in sequence, and accomplishing butt welding by using the hot melting machine to construct a net cage floating pipe framework. Therefore, by virtue of the net cage floating pipe framework construction method disclosed by the invention, the automation degree of net cage floating pipe framework construction is greatly improved, the manpower resources necessary for the net cage floating pipe framework construction are reduced, and the construction quality of the net cage floating pipe framework is improved.