59results about How to "Improve stress stability" patented technology

The invention relates to the technical field of walls, in particular to a workshop H-shaped steel combined type through window welding wall which comprises a foundation, a plurality of stand columns are evenly installed at the top end of the foundation at equal intervals, cross beams are symmetrically installed on one sides of the stand columns, window seats are installed on the inner sides of the cross beams in an embedded mode, and outer wall plates are symmetrically installed on the outer sides of the cross beams. According to the invention, relative independence is maintained while integrated connection is realized, a sufficient flexible unloading support space is provided while stable rigid support is obtained, good combination of rigid support and elastic support is realized, and the supporting effect is good. Load pressure at the welding position is effectively dispersed and converted, multi-point auxiliary supporting is achieved, the effectiveness, stability and impact resistance of supporting are improved, the load pressure at the welding position is reduced, the situation that the welding seam is damaged due to torque superposition stress is effectively avoided, the stress stability at the connecting position is improved, and the durability of a wall is improved.

This utility model relates to a cutting blade, belonging to the technical field of ultrasonic probe manufacturing equipment. The cutting blade is disc-shaped and used for rotary cutting of an ultrasonic probe to form piezoelectric array elements. The cutting blade includes a blade body and multiple gradient layers disposed on the outer side of the blade body. The multiple gradient layers are connected sequentially along the radial direction of the blade body, and the thickness of each gradient layer gradually decreases radially outward. Adjacent gradient layers are connected in a stepped manner, and the outer edge of each gradient layer away from the rotation center axis of the cutting blade forms a cutting edge, so that the cutting blade has multiple annular cutting edges arranged at radial intervals. The array elements of the probe cut by this cutting blade are pyramid-shaped, with narrow ends and wide bottoms, which ensures that the formed ultrasonic probe piezoelectric array elements are uniform in size, neatly arranged, and have better stability; effectively improving the resolution and stability of probe imaging.

The present application relates to the technical field of power transmission tower, and discloses a connecting joint of a steel pipe angle steel in a steel pipe tower of a power transmission line, two groups of the symmetrical clamping ends of the symmetrical clamping seats are provided with tight clamping plates, and the two sides of the two groups of symmetrical clamping seats are symmetrically provided with two groups of positioning bases, the inner sides of the two groups of positioning bases are symmetrically provided with two groups of direction adjusting guide rods, the end faces of the two groups of direction adjusting guide rods are symmetrically provided with direction adjusting holes, and the outer sides of the two groups of direction adjusting guide rods are provided with connecting seat assemblies. The present application replaces the welding connection form of the traditional cylindrical steel pipe main material and the angle steel auxiliary material, through the clamping of the two groups of symmetrical clamping seats, under the matching combination of the direction adjusting guide rods and the connecting seat assemblies, on the one hand, the present application has good uniform stress performance, so that the pressure of the high-voltage line is transmitted to the connecting joint through the angle steel auxiliary material, and then is uniformly transmitted to the cylindrical steel pipe main material through the connecting joint, thereby improving the stress stability of the steel pipe tower.

The utility model discloses a tow hook anti-falling structure which comprises a locking piece, the locking piece comprises a fixing plate and an elastic piece, the fixing plate is provided with a first positioning part connected with a connecting piece and a second positioning part connected with the elastic piece, and the other end of the elastic piece abuts against a hook body so that the elastic piece and the hook body can define a receding area; the first positioning part is located in the center of the fixing plate, and the second positioning part is located at the end of the fixing plate. When the tow hook is used, after the elastic piece abuts against the hook body, the tow rope is limited in the receding area, and therefore the tow rope is prevented from falling off after being separated from the hook body. The fixing plate is provided with the first positioning part and the second positioning part which are used for positioning the whole fixing plate and the elastic piece respectively, the first positioning part is located in the center of the fixing plate, the second positioning part is located at the end of the fixing plate, and the fixing position of the elastic piece and the fixing position of the fixing plate are not located at the same position. And unstable positioning of the elastic piece or the fixing plate caused by stress concentration is avoided, so that the stress stability and the use stability of the anti-falling structure are improved.

The invention relates to a supporting system for a rectangular pier column elevated cantilever cover beam, which comprises a supporting assembly, a supporting rod assembly, a supporting rod assembly, a supporting rod assembly, a supporting rod assembly and a supporting rod assembly, and is characterized in that the supporting assembly is fixedly mounted on a pier column through a bracket assembly; the platform assembly is fixedly installed at the top end of the supporting assembly, located at the bottom end of the cover beam and suitable for construction; the bracket assembly comprises a bracket body and a connecting unit, one end of the connecting unit is embedded in the pier column, the bracket body is embedded in the other end of the connecting unit, and the bracket body is suitable for bearing the supporting assembly. The bracket body of the supporting system is accurate in mounting position and high in overall stress stability, and deformation and deviation are avoided; the supporting assembly is used for supporting the cover beam, has the advantages of being large in load capacity and good in interchangeability, can be suitable for construction of various elevated cover beams and is wide in application range. And the platform assembly is fixedly installed at the top end of the supporting assembly and the bottom end of the cover beam, construction of workers is facilitated, convenience and rapidness are achieved, a protective net is further arranged at the outer end of the platform assembly, and safety is high.

The invention discloses an improved corrugated pipe dust-free drag chain shell and a self-cleaning conveying device thereof. A pipe cavity part is formed in an upper shell and a lower shell; corrugated parts are correspondingly arranged on the surfaces of the upper shell and the lower shell respectively, a platform surface is formed at the corrugated top of each corrugated part, so that a contact position A between the corrugated pipe dust-free drag chain shell and a bearing surface is in surface contact, and the platform surface at the corrugated top accounts for 20-60% of the corrugated top; the corrugated side parts on the two sides of the corrugated parts form a side plane, and the mutual extrusion positions B between the adjacent corrugated parts are also in surface contact; the depth D between the wave crest and the wave trough of the corrugated pipe is 6-7mm According to the dust-free drag chain with the corrugated pipe, the abrasion condition between the shell and the bearing face is smaller, surface contact between the adjacent corrugated parts is more beneficial to stress stability, the anti-bending bearing capacity is improved, the corrugated pipe is good in flexibility, bending, stretching and rotating of the corrugated pipe, internal cables and the like are facilitated, the surface of the corrugated pipe is cleaned through the self-cleaning conveying device, and the service life of the corrugated pipe is prolonged. And adverse effects on product production caused by dirt on the surface of the corrugated structure are avoided.

The present invention discloses an auxiliary installation device for a bushing-type electronic transformer for a ring network cabinet, wherein a main box is installed on one side of the transformer body, a sliding plug is symmetrically and slidably installed inside the main box, a pull rod is installed in the middle of the side end face of the sliding plug, and the pull rod is slidably connected to the main box, a frame rod is slidably installed on the end of the pull rod, one end of the frame rod is rotatably installed with a limited seat, and the other end of the frame rod is rotatably installed with a base. The present invention improves the stability of various orientation bolts installed on the transformer body, improves the balance of load force provided by each bolt, effectively solves the warping and misalignment phenomena, indirectly improves the stability of the transformer body in later use, and can make the torsional force borne by the bolts during installation more compatible and matched with the compressive performance of the ring network cabinet and the transformer body, effectively avoids the thread slippage phenomenon, and improves the flexibility, efficiency, convenience, reliability and efficiency of the bolt assembly work.

The application relates to the technical field of foundation pit backfilling, in particular to a foundation pit backfilling process and a foundation pit bottom cleaning device, which comprises a foundation pit bottom cleaning device, the foundation pit bottom cleaning device comprises a bearing bottom frame, loading support rods are correspondingly arranged on the front upper side of the bearing bottom frame, a bearing frame is arranged at the upper end of the loading support rod, and a conveying assembly is mounted on the front side of the bearing frame; the foundation pit bottom cleaning device can realize height regulation and control of the conveying assembly, so that the conveying assembly can better clean the garbage generated during the foundation pit bottom cleaning; the bearing frame in the foundation pit bottom cleaning device is obliquely arranged, the stress stability of the conveying assembly during garbage bearing and transportation is higher, the positioning and guiding effect of the winding wheel during the winding of the steel cable is good under the action of the guide wheel, the lifting control effect of the conveying assembly is better, the stress stability is higher, the overall use effect during the foundation pit bottom cleaning is good, and the efficiency is high.

This application discloses a method and system for Z-axis compensation of integrated circuit surface mount technology (SMT) for PCB board warpage, relating to the field of PCB board surface mount technology. The method includes: acquiring sampling data of the PCB board surface height and PCB board design information, extracting the physical structural features corresponding to each sampling point, and constructing a board surface warpage height model based on the sampling data; calculating the estimated board surface height for the target mounting position, and determining the Z-axis safe switching height of the mounting nozzle based on the thickness information of the component to be mounted and a preset safety margin; controlling the mounting nozzle to descend to the Z-axis safe switching height and then using a cutting force feedback correction mode, adaptively correcting the Z-axis displacement based on the dynamic error between the actual contact force and the target mounting force until the actual contact force falls within the preset error range to complete the mounting. This improves the accuracy of mounting height control, the stability of mounting force, and the consistency of mounting quality under complex warpage conditions.

The utility model discloses a modularized chair, which relates to the field of furniture structures and comprises a chair back main body, armrest main bodies, chair leg main bodies and a seat cushion plate, the chair back main body, the armrest main body and the chair leg main body are respectively formed by splicing a first chair back module and a second chair back module, splicing a first armrest module and a second armrest module as well as splicing a first chair leg module and a second chair leg module. According to the scheme, the modular structure below the chair can be clearly displayed, the ornamental value of the chair is increased, the first splicing blocks and the second splicing blocks are combined in a mutual lap joint, fitting and meshing mode to form the structure of the chair, the chair comprises a backrest, armrests, chair legs and other components, the module connection mode is achieved through customized hole site design, and the modular structure is more attractive. And the connecting sticks with different sizes are used for stable connection, so that the modules can be easily disassembled and recombined.

The utility model discloses a heat dissipation type frequency conversion box structure, which comprises a frequency conversion box main body, the frequency conversion box main body comprises a back plate and a vertical side plate, an installation cavity is formed between the back plate and the vertical side plate, an installation opening used for installing a frequency conversion plate is formed in the front part of the installation cavity, and a heat dissipation metal cover plate is detachably arranged at the installation opening. A mounting cavity is formed in the frequency conversion box body, a mounting column and a supporting column are arranged in the mounting cavity, the front side of the supporting column is attached to the rear side of the frequency conversion plate, a first fastener used for fixing the frequency conversion plate is in threaded connection with the mounting column, an insertion opening used for being connected with a mounting support is formed in the rear side of the frequency conversion box body, and a clamping structure is arranged at the insertion opening. A lateral opening is formed in the vertical side plate, a side cover is detachably arranged at the lateral opening, and a wiring groove is formed in the side cover; the LED lamp has the advantages of being good in heat dissipation performance, high in assembly efficiency and stable in structure.

The utility model discloses a corner positioning structure based on an elastic strip and a gear, which comprises an adjusting fluted disc and a fixing piece which are arranged on a bottom plate, the fixing piece is connected with an axis piece, the axis piece is connected with a rotating piece, and the rotating piece can rotate relative to the fixing piece; a plurality of convex teeth are arranged on the adjusting fluted disc, the convex teeth are arranged in an arc line shape with the rotating center of the rotating part as the circle center, and a groove is formed between every two adjacent convex teeth; an elastic strip is arranged on the rotating piece, the elastic strip can be clamped into the corresponding groove after the rotating angle of the rotating piece is adjusted, and the pressure value of the groove to the elastic strip is F and Fgt; 0. According to the corner positioning structure, the elastic strip and the adjusting fluted disc are arranged and matched with each other, so that the purposes of improving the stability of the corner structure and reducing the control difficulty of a supporting angle can be achieved.

The utility model discloses a portable fire-fighting smoke exhaust device, and relates to the technical field of fire-fighting appliances. The battery box is mounted on the main beam, and a switch is arranged on one side; the mounting beam is mounted at one end of the main beam; the smoke exhaust fan is installed on the installation beam, the battery box is connected with the smoke exhaust fan through an electric wire to supply power to the smoke exhaust fan, and air is blown to the end away from the battery box when the battery box rotates; and the handle is arranged on the main beam. The fire-fighting smoke exhaust device has the effect that the portability of the fire-fighting smoke exhaust device is improved.

The invention relates to the technical field of coal bunker equipment, in particular to a coal bunker collapse prevention device which comprises a collapse prevention gate, the collapse prevention gate comprises a fan-shaped gate, a rotating shaft and a driving component, the fan-shaped gate comprises an arc-shaped gate plate and a fan-shaped side plate, and a shaft hole connected with the rotating shaft in a matched mode is formed in the circle center corresponding to the arc edge of the fan-shaped side plate; after the rotating shaft penetrates through the shaft hole, the two ends of the rotating shaft are supported by the two side walls of the feeding equipment guide groove, a rotating shaft supporting point is arranged on the upper portion close to the outlet end of the feeding equipment guide groove, and the radial gate plate is close to the receiving end of the feeding equipment guide groove relative to the rotating shaft. The left side edge and the right side edge of the arc-shaped gate plate are coupled with the two side walls of a material guide groove of the feeding equipment, the lower end of the arc-shaped gate plate is coupled with the bottom face of a material conveying cavity of the feeding equipment, the direction of torque formed by force exerted on the arc-shaped gate plate by moving materials is the same as that of torque needed for closing the gate, the fan-shaped gate can be rapidly closed, and further bin collapse can be prevented.

The mixed type plastic track with the rapid drainage function comprises a base, an anti-skid layer, an outer surrounding layer, a filling layer, an upper embedding layer, a lower embedding layer and a supporting layer are sequentially and fixedly arranged on the top of the base from top to bottom, drainage cavity channels are formed in the outer surrounding layer, the filling layer, the upper embedding layer, the lower embedding layer and the supporting layer in a penetrating mode, and drainage holes are formed in the drainage cavity channels. And the whole surrounding outer layer is arranged in a surrounding manner. The effect of limiting and surrounding the filling layer, the upper embedding layer, the lower embedding layer and the supporting layer is achieved through the surrounding outer layer, the stability and integrity of the runway structure are facilitated, the anti-skid effect is achieved through the anti-skid layer, the effect of intensively guiding out an external gathered water source is achieved through the drainage cavity channel, and an external expansion cavity formed in the bottom facilitates accelerated drainage of the water source; and the effect of ensuring the stability of the drainage cavity channel at the position of the embedded layer structure is achieved through the first limiting bulge and the second limiting bulge.

The invention relates to the technical field of hot pressing mold preparation, in particular to a preparation method and application of a cylindrical hot pressing mold of a carbon fiber woven structure. The preparation method comprises the following steps: preparing a wood mold; eVA is pasted on the surface of the wood mold, and then the procedure of weaving the carbon fibers in a reciprocating mode is carried out; obtaining a first carbon fiber woven structure; then, the procedure of sewing carbon fibers on the surface of the first carbon fiber woven structure is conducted through a sewing needle and a positioning tool, and a second carbon fiber woven structure is obtained; then the second carbon fiber woven structure is subjected to densification treatment, and a cylindrical hot-pressing mold crude product is obtained; and finally, the cylindrical hot-pressing mold crude product is subjected to finishing forming, and a cylindrical hot-pressing mold product is obtained. The cylindrical hot-pressing die prepared by the invention has good mechanical properties and thermal stability.

The utility model relates to the technical field of building construction, in particular to a horizontal fixed-point core filling device for underground obstacle removing construction. Comprising an outer frame, a counter-force back plate is fixedly installed on one side of the outer frame, an oil cylinder base A is fixedly installed on the counter-force back plate, the oil cylinder base A is connected with a hydraulic oil cylinder A, the hydraulic oil cylinder A is connected with a push rod A, and the push rod A is connected with a push disc. An oil cylinder base B is fixedly installed on the side, adjacent to the counter-force back plate, of the outer frame. The oil cylinder base B is connected with a hydraulic oil cylinder B, and the hydraulic oil cylinder B is connected with a push rod B; the device can effectively prevent a soil layer exposed after fixed-point obstacle clearing from collapsing from an obstacle clearing hole, the safety of an existing structure around obstacle clearing operation is guaranteed, meanwhile, an operator can control the device to complete core filling operation by operating a hydraulic system on the ground, and the operation safety is greatly improved.

The utility model provides a lifting lever type manhole cover opening device relates to municipal works technical field, including cross rod, the downside of cross rod is provided with lifting lever type manhole cover opening subassembly, lifting lever type manhole cover opening subassembly includes the inner recessed slide groove of setting in the inside of cross rod, the inside of inner recessed slide groove all installs hydraulic pressure adjusting sliding block, the downside of hydraulic pressure adjusting sliding block installs hydraulic pressure rod, the outside of cross rod all is provided with lifting lever sliding frame, the downside of driven rotating shaft is welded with pull -out rod, the end of pull -out rod installs manhole cover clamping plate, put two groups of hydraulic cylinder to the both sides of manhole cover, the hydraulic cylinder starts to fill liquid at this moment, promotes the ascending of hydraulic pressure rod, drives lifting lever sliding frame to ascend, like this can realize the lifting lever type stress of manhole cover, reaches the opening effect, and lifting lever sliding frame can be according to the width of manhole cover and along cross rod left and right horizontal displacement to can be clamped to the cross bar of manhole cover, ensure that the stress of manhole cover is even in the opening process, avoid the damage of single point stress too big.

The utility model discloses an inner sandwich thermal insulation wall structure which comprises a first side plate, a second side plate and a thermal insulation plate, a supporting structure is arranged between the first side plate and the thermal insulation plate, the supporting structure comprises a supporting base plate, the supporting base plate comprises a base plate body and a protruding part protruding towards the first side plate body relative to the base plate body, and the base plate body abuts against the thermal insulation plate; the supporting piece surrounds the protruding part, isolation gaps used for pouring concrete are formed between the supporting piece and the base plate and between the supporting piece and the protruding part, and the supporting piece abuts against the first side plate; the connecting piece is detachably connected with the supporting base plate and the supporting piece, and the connecting piece supports the supporting base plate and the supporting piece. The supporting structure supports the insulation board and can limit displacement of the insulation board and reduce displacement deviation of the insulation board. The isolation gaps exist between the supporting pieces and the base plate and between the supporting pieces and the protruding parts, the supporting pieces are isolated from the base plate and the protruding parts through the concrete, and conduction of heat through the supporting pieces, the base plate and the protruding parts is reduced.

The utility model discloses a 12-axis contra-rotating 24-rotor unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicles, and comprises a vehicle body and a plurality of rotor components, a loading component is arranged at the bottom of the vehicle body, the loading component comprises a plurality of support rods and two frame rods which are symmetrically arranged on two sides along the height direction, the support rods are respectively grouped by taking the side as a reference, and the support rods are arranged on two sides of the vehicle body. The two frame rods are respectively erected with the tail ends of the supporting rods which are grouped on the two sides as welding points, a load area is formed between the frame rods and the supporting rods in a surrounding manner, and the frame rods and the supporting rods in the load area can be used for fixing articles. The frame rods and the supporting rods can be matched and hung with hooks of matched boxes or bags; the stress stability of the loading assembly during loading is improved by means of a triangular stable structure formed between the reinforcing rods and the supporting rods, and the stability during loading is improved through center adjustment.

The utility model relates to the technical field of injection molding, in particular to a high-stability multicolor injection molding structure which comprises a protection box, a first injection molding module, a second injection molding module, a feeding pipe and a plurality of guide rods, the first injection molding module is fixedly installed at the right end of the protection box, and the edge of the left side of the first injection molding module is connected with the plurality of guide rods. The two feeding pipes are installed in the middle of the right side of the first injection molding module, the injection opening is connected with the feeding pipes, the second injection molding module is slidably connected to the guide rod, mold grooves are symmetrically formed in the left side of the first injection molding module front and back, and mold grooves are symmetrically formed in the right side of the second injection molding module front and back. Through the design of the crossed net ribs and the dovetail grooves, the stress stability of the mold groove is enhanced, color layer dislocation and waste material residues are reduced, and the injection molding precision and the production efficiency are improved; the operation process is simplified, the temperature is accurately regulated and controlled, and the product quality is improved.

The utility model discloses a vehicle rear panel stud welding positioning tool which comprises a supporting frame, a limiting mechanism and a clamping mechanism. The limiting mechanism comprises a plurality of positioning pieces detachably connected with a rear panel and connecting pieces connecting the positioning pieces and the supporting frame, and the positioning pieces are provided with receding openings allowing studs to penetrate through. The clamping mechanism comprises a clamping jaw and a quick clamp, and the quick clamp drives the clamping jaw to have a first state in which the clamping jaw is clamped to the bottom end of the rear panel and a second state in which the clamping jaw is separated from the rear panel. The connecting pieces are connected with the supporting frame and the positioning pieces, so that the multiple positioning pieces can be located at the same horizontal height, the multiple receding openings are located at the same horizontal height, welding of the multiple studs at the same horizontal height is achieved through limiting of the receding openings during welding, and errors caused by skew of manual scribing are avoided. In addition, when the tool is used, the clamping jaws are in the first state, the supporting frame is further limited through clamping of the clamping jaws, and the situation that the position accuracy of the connecting piece and the positioning piece is affected by shaking of the supporting frame is avoided.

The utility model discloses a concrete wall vibration isolation structure which comprises a concrete column base layer arranged in the middle of a concrete wall, a set of concrete columns are distributed in the middle of the concrete column base layer in a shape like a Chinese character'hui ', and every two adjacent concrete columns are connected through a concrete beam. The two sides of each concrete column are filled with vibration isolation layers. An equipment foundation layer is arranged at the top end of the concrete column, and the equipment foundation layer and the inner wall of the concrete wall are arranged in a spaced mode. The vibration isolation structure has the beneficial effects that the concrete columns are arranged between the equipment foundation layer for placing the vibration equipment and the concrete column base layer, the vibration isolation layers are filled between the concrete columns and between the concrete columns and the concrete wall, and the equipment foundation layer and the concrete wall are arranged at intervals, so that in the working process of the vibration equipment, the vibration isolation layers are arranged between the concrete columns and the concrete wall; vibration force is directly transmitted to the concrete column base layer at the bottom end of the concrete column, the overall vibration sense of a building is effectively reduced through the vibration isolation layer, the situation that the building and the peripheral bottom face of the building crack due to equipment vibration is effectively prevented, the influence on the stability of peripheral equipment is reduced, and meanwhile the safety of a building structure is improved.

The utility model discloses an assembly type prefabricated square pile wall assembly which comprises a prefabricated square pile, hollow steel pipes which are coaxially distributed are arranged in the center area of the prefabricated square pile, lock catch structures are arranged on at least two side faces of the prefabricated square pile, and the prefabricated square pile is fixedly connected in a matched mode through the lock catch structures. The assembly can effectively stop water, does not need to be provided with a lining structure, is high in standardization degree, short in construction period, good in economical efficiency, energy-saving, environment-friendly, convenient and reliable to assemble and high in applicability, improves the standardization degree of an open excavation supporting structure, is more beneficial to field assembly, is good in integrity and stress stability, effectively guarantees perpendicularity, improves the construction speed, and reduces the construction cost. The deformation of the supporting structure and the ground is effectively reduced, the safety of the surrounding environment is better protected, and the engineering investment is greatly reduced.

The utility model relates to the technical field of metal processing equipment, in particular to a press machine for metal processing, which comprises a placing table, and a pressed plate is connected to the placing table; the fixing plate is located above the placing table, a plurality of supporting stand columns are connected between the fixing plate and the placing table, and the pressed plate is located in a cavity defined by the supporting stand columns; the lower pressing plate is located between the fixing plate and the pressed plate, and a metal machining space is formed between the lower pressing plate and the pressed plate; the inner side wall of the protective cover is in sliding connection with the peripheral side of the placing table; one end of the linkage cable is connected with the lower pressing plate, and the other end of the linkage cable penetrates through the fixing plate from bottom to top and then is connected with the protective cover; the driving unit is connected with the fixing plate, and the driving unit is connected with the lower pressing plate and used for driving the lower pressing plate to be close to or away from the pressed plate; the metal machining device has the effect that the safety of operators is guaranteed while the metal machining efficiency is improved.

The invention relates to the technical field of ship mooring, and particularly discloses a ship windproof anchor chain lock catch connecting structure and method. Comprising a lock body, a fixing bolt is fixedly connected to the inner side of the lock body, symmetrically-distributed fixing sliding rails are fixedly connected to the inner side of the lock body, a fixing connecting block is fixedly connected to the position, close to the fixing bolt, of the inner side of the lock body, a sliding bolt is arranged between the symmetrically-distributed fixing sliding rails, and the sliding bolt is sleeved with a windproof anchor chain connected with a ship. And a buffer elastic piece is fixedly connected between the sliding bolt and the fixed connecting block. The lock body and the windproof anchor chain are used for replacing a storm mooring rope, the sliding bolt and the windproof anchor chain on the sliding bolt are buffered through the buffering elastic piece, the toughness and ductility of the anchor chain are increased in a disguised mode, and therefore a large ship can still be safely moored and berthed under the condition that the number of storm bollards which can be used is insufficient; the difficulty and pain of safe berthing of the large ship are solved in a targeted mode, and the berthing safety of the large ship is improved.

This utility model discloses an optoelectronic integrated wiring box, relating to the field of cable installation technology, comprising: a wiring box, wherein a cable mounting rack for cable management is installed inside; the cable mounting rack includes: a U-shaped frame, detachably fixed to the inner wall of the wiring box, with a cable pass-through opening along the length direction at the middle of its bottom end; multiple cable grooves, spaced apart on both sides of the U-shaped frame, for cable separation and clamping; and a protruding part located inside the inner side wall of the U-shaped frame after being clamped by an elastic ball, providing continuous and elastic support for the suspended cable segment from the cable pass-through opening to the cable groove, so that the cable segment does not directly adhere to the bottom wall of the U-shaped frame under its own weight, but forms a continuous air insulation layer, i.e., a heat dissipation gap, between the cable and the bottom wall, thereby ensuring sufficient air convection space and facilitating heat dissipation during cable operation.

The invention discloses an angle self-adaptive saddle, and belongs to the technical field of supporting components of cable-stayed bridge cables. Comprising a saddle body, a plurality of telescopic devices and saddle grooves corresponding to the telescopic devices in number. The plurality of telescopic devices are uniformly distributed at intervals along the arc of the saddle main body; the separated saddle grooves are formed in the different telescopic devices respectively, and the multiple separated saddle grooves form an inhaul cable arc-shaped channel. The telescopic device extends or retracts to adjust the positions of different saddle grooves, and then inhaul cable arc-shaped channels of different shapes and angles are formed. The telescopic device for supporting the saddle groove can extend and retract within a certain range and can be fixed at a certain length, so that arc lines in different shapes are formed, the angle of the inhaul cable is adjusted, the influence caused by manufacturing errors is reduced, and the telescopic device has good applicability.

The invention discloses a combined elastic short sleeper transformation method and a rail structure thereof, and belongs to the technical field of urban rail traffic rail structures. According to the technical scheme, the transformation method sequentially comprises the steps of lifting a track, drawing out a rubber sleeve shoe, cleaning a sleeper and a sleeper pit, installing a geometric shape and position adjusting frame, brushing an interface binder, pasting an elastic base plate, pouring a pouring material, placing the sleeper, replacing a vibration reduction fastener, adjusting the geometric shape and position, detecting the strength of the pouring material and the like. The improved track structure comprises a short sleeper, a composite elastic layer, a short sleeper geometric shape and position adjusting frame and a vibration reduction fastener for the short sleeper, and the composite elastic layer is composed of an under-sleeper elastic base plate, a sleeper side elastic limiting base plate and a quick-setting elastic damping pouring material and replaces an original rubber sleeve shoe. The geometric shape and position adjusting frame achieves accurate positioning and dynamic adjustment of the sleeper through the sleeper positioning frame, the telescopic connecting rod and the rail gauge and rail cant control spring system.

The invention belongs to the technical field of building components, and particularly relates to an assembly type self-homing damping stair which comprises stair section plates, stair beams, stair section plates located above the stair beams, stair section plates located below the stair beams, platform plates placed on the upper portions of the stair section plates and arranged on the lower portions of the stair section plates, and the upper ends of the stair section plates are fixedly connected with platform plates. And the shock absorbers are fixedly connected to the ladder beams. According to the assembly type self-homing damping stair, stair sections and platform plates of the stair are prefabricated in a factory, after maintenance is completed, the stair sections and the platform plates are transported to a construction site to be assembled, the lower end of the prefabricated stair is connected with one side of a stair beam of the prefabricated stair through embedded bolts to form rigid connection, and the platform plates are directly placed on the stair beam on the upper portion; and meanwhile, the ladder beams are connected with the platform plate through the shock absorbers, so that the self-homing and shock-absorbing effects are achieved.