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142results about How to "Prevent twisting" patented technology

Suspension type alternating current charging device and automatic folding and unfolding method

The invention provides a suspension type alternating current charging device and an automatic folding and unfolding method. The charging device comprises a charging gun; a power line extends from one end of the AC charging pile, and a charging line extends from the other end; the wire coil comprises a first half wire coil and a second half wire coil which are oppositely buckled into a whole, and a containing cavity is formed in the butt joint position of the two half wire coils; the alternating current charging pile is arranged in the accommodating cavity, and a power line guide groove and a charging line guide groove which are correspondingly communicated with the accommodating cavity are respectively formed in the butt joint part; the power line penetrates out along the power line guide groove to be wound on the first half wire coil, and the charging line penetrates out along the charging line guide groove to be wound on the second half wire coil to be connected with the charging gun. The electric winch is suspended on a ceiling or a cross beam and is used for driving the wire coil to lift through a traction rope so as to take up and pay off the charging wire in an anti-torsion manner; the radio sensor is used for sensing arrival or departure of a vehicle, and the radio sensor is in communication connection with the electric winch; the structure is simple and reliable, and automatic lifting based on vehicle parking can be achieved.
Owner:CHANGSHA ELECTRIC POWER DESIGN INST CO LTD +2

Engine braking device with return function and engine

The invention provides an engine braking device with a return function and an engine, and belongs to the technical field of automobile parts, and the engine braking device comprises a cam shaft, an auxiliary cam, a braking device and a braking device, a brake rocker arm and a rocker arm shaft, wherein a limiting part is arranged on the brake rocker arm; the movable unit comprises a sliding part and a rolling part; the rocker arm support is provided with a first connecting part; one end of the return spring bracket is connected to the first connecting part, and the other end of the return spring bracket is provided with a return spring seat; the elastic piece is transversely arranged and is clamped between the return spring seat and the limiting part; when the engine is braked and the rolling part is in contact with the non-working surface, the distance between the return spring seat and the limiting part is minimum; and when the engine brakes and the rolling part is in contact with the working surface, the distance between the return spring seat and the limiting part is maximum. According to the engine braking device, the elastic piece is transversely arranged, so that the overall size of the whole engine braking device in the vertical direction is integrally reduced.
Owner:ZHEJIANG LIMING INTELLIGENT MFG CO LTD

Connecting cable for battery energy storage

The utility model discloses a connecting cable for battery energy storage, which comprises a fifth type conductor formed by twisting tinned copper wires, an insulating layer extruded outside the conductor, an elastic sheath layer extruded outside the insulating layer, and a plurality of ribs arranged at equal angles on the outer circumferential surface of the insulating layer by taking the center of the conductor as a circle center, the insulating layer and the sheath layer are arranged on the outer circumferential surface of the elastic sheath layer, so that the joint surface of the insulating layer and the sheath layer is gear-shaped on the radial cross section of the cable, the ribs are semicircular cross-section ribs, semicircular cross-section grooves are arranged between the adjacent semicircular cross-section ribs, and a plurality of protective ribs are arranged on the outer circumferential surface of the elastic sheath layer by taking the center of the conductor as the center of a circle at equal angles. The insulating layer and the sheath layer of the connecting cable for battery energy storage are firmly connected, the insulating layer and the sheath layer cannot be separated when the connecting cable is in a small-radius bending state for a long time, and the connecting cable has good bending performance and heat dissipation performance and can meet the use requirement of serving as a direct current side connecting cable in a battery energy storage system.
Owner:LIAONING JINDA CABLE

Fire hose hanger

The utility model relates to the field of fire hose hangers, and discloses a fire hose hanger which comprises a storage roller, a supporting mechanism is arranged at the lower end of the storage roller and used for supporting an upper end structure, the supporting mechanism comprises a supporting frame, the upper end of the supporting frame is fixedly connected with a lantern ring, and the lantern ring is arranged on the supporting frame. The front side and the rear side of the lower end of the supporting mechanism are fixedly connected with anti-skid supporting legs, and the lower ends of the anti-skid supporting legs are fixedly connected with anti-skid rubber strips. An upper positioning rod and a lower positioning rod are fixedly connected to the inner side of one end of the supporting frame. According to the fire hose winding device, the fire hose is prevented from being twisted or folded when being laid or wound through the limiting effect of the upper positioning rod and the lower positioning rod, meanwhile, the fire hose is pressed and clamped through the pressing idler wheel, so that the fire hose is more compact when being wound, and the occupied space is reduced; the fire hose is wound in a hand-cranking mode, the storage efficiency of the fire hose is improved, and the fire hose winding device is practical and suitable for being widely popularized and used.
Owner:冷真宁

Beam hanger of oil pumping unit

The utility model discloses a beam hanger of an oil pumping unit, and relates to the technical field of oil pumping units, in particular to the beam hanger of the oil pumping unit, which is mounted on a polish rod of the oil pumping unit, is used for suspending a steel wire rope of the oil pumping unit and comprises a metal body, the upper portion of the metal body is in threaded connection with a polish rod slip, and the polish rod slip is fixedly mounted at the lower end of the polish rod. Rotating heads are rotationally arranged at the two end parts of the metal body; through the arrangement of the rotating head and the metal body, when the oil pumping unit continuously works, the steel wire rope is repeatedly stretched to generate torsion, the steel wire rope is twisted, the steel wire rope is twisted to drive the rotating head located at the upper end of the steel wire rope to rotate, the rotating head rotates on the metal body through the bearing to release the torsion, and the purpose of preventing the steel wire rope from being twisted is achieved. Meanwhile, the steel wire rope can be fixed to a metal body through the rotating head.
Owner:马志勇

A connection structure and a bed

The utility model relates to bed connecting structure field discloses a connecting structure and bed, can install fast and stably hang piece, and the connecting place hides in the stand, is more beautiful. The utility model discloses a stand, including the first bending surface, the first bending surface is provided with first bending part and second bending part, and the first bending part is with second bending part in longitudinal and transverse all staggered settings, and first bending part and second bending part all are equipped with the positioning hole, the hang piece, including the second bending surface, the second bending surface is provided with third bending part and fourth bending part, and third bending part and fourth bending part have interval in longitudinal and transverse, and third bending part and fourth bending part all are equipped with the buckle, after the stand of hang piece is connected, the first bending surface can cooperate with the second bending surface, and the buckle can be hung and buckled on the corresponding positioning hole.
Owner:JIANGXI MEIXIAOSHEN TECH CO LTD

Air leg rock drill

The utility model relates to the technical field of air leg rock drills, in particular to an air leg rock drill which comprises a rock drill body and a pneumatic supporting leg, the end face, away from a drill bit, of the rock drill body is fixedly connected with a first handle, and the surface of the pneumatic supporting leg is fixedly connected with a second handle. The annular connecting block is fixedly connected to the lower end face of the rock drill body. The rock drill body and the pneumatic supporting legs are connected through the transverse connecting rod, so that the first handle and the second handle are placed in a staggered mode, and then a user can directly face a rock wall to be excavated and hold the first handle and the second handle on the left side and the right side to work; therefore, a user can be prevented from twisting the body or greatly bending the shoulder face rock wall, the human engineering design is met, and the fatigue feeling of the user is reduced.
Owner:ZHONGCHIAN MINE MACHINERY LANGFANG CO LTD

A kind of anti-twist webbing hardware for insulator connection

The utility model relates to the technical field of insulator hardware, disclose a kind of anti-twist web hardware for the connection of insulator, including the insulator main body for electrical insulation, the upper hardware assembly for being used to the fixed installation of insulator main body is set on the upper end, the cable fixing assembly for being used to the fixed clamping of cable is set in the upper hardware assembly, when insulator is subjected to torsional force, anti-migration tooth is engaged with insulator, limit axial displacement and disperse torsional force, positioning ring cooperates preliminary limit, when insulator is twisted, connecting ring rotates synchronously, recess and protruding block generate relative displacement, when torsional force is small, protruding block is formed mechanical locking by being clamped into recess, directly prevent twisting, when torsional force is large, protruding block slides along recess bevel, consume energy and attenuate torsional amplitude, positioning ring and anti-migration tooth continue to limit axial displacement simultaneously, by mechanical limit and engagement locking, prevent insulator from excessive torsion due to wind load, conductor swing etc., avoid insulation performance decline.
Owner:JIANGSU SOUTH PORCELAIN INSULATOR CO LTD

Film tearing device for coil film tearing

The utility model relates to a film tearing device for coil film tearing. The film tearing device comprises a horizontally arranged mounting plate and a first driving mechanism for driving the mounting plate to lift, the lower surface of the mounting plate is provided with a magnetic attraction position and a vacuum attraction position for attracting the coil to the mounting plate in a vacuum mode, and the upper side of the mounting plate is further provided with a magnet for attracting the coil to the magnetic attraction position; the film tearing device for coil film tearing further comprises an air cylinder for adjusting the distance between the magnet and the mounting plate in the vertical direction. According to the film tearing device used for coil film tearing, the suction cup is arranged to attract the coil, the magnet is further arranged to attract and fix the coil, displacement and falling of the coil during film tearing are effectively prevented, and the working efficiency of coil assembly is guaranteed.
Owner:SHENZHEN INTELLIGENT PRECISION INSTR CO LTD

I-shaped steel reinforcing assembly

The utility model discloses an I-shaped steel reinforcing assembly which comprises transverse I-shaped steel fixedly installed on the left side and the right side of I-shaped steel, a round sleeve is installed on the front side of the I-shaped steel, a square sleeve is installed on the surface of the round sleeve, and a plurality of bolts are arranged on the surface of the I-shaped steel in a penetrating mode. The round sleeve and the square sleeve are fixedly connected with the I-shaped steel through bolts, a connecting frame is fixedly connected to the surface of the square sleeve, an upper top plate is arranged at the top of the connecting frame and fixedly connected with the I-shaped steel, and a lower bottom plate is arranged at the bottom of the connecting frame and fixedly connected with the I-shaped steel. The round sleeve, the square sleeve and the connecting frame are used in cooperation, the periphery of a hole formed in the I-shaped steel is reinforced, then the supporting plate, the supporting frame and the triangular supporting plate are used in cooperation, the triangular supporting plate can support the lower bottom plate, and finally the round sleeve is stably installed on the periphery of the hole formed in the I-shaped steel.
Owner:SHANDONG WANNUO RENEWABLE RESOURCES CO LTD

Dip welding type copper strip winding type welding column preparation device and method

The invention relates to the technical field of integrated circuit component packaging, in particular to a dip welding type copper strip winding type welding column preparation device and method. Comprising a lead wire traction mechanism for leading out a lead wire, a copper strip winding mechanism for winding a copper strip on the lead wire, a segmented placement mechanism for cutting the copper strip wrapped lead wire, a gantry clamping mechanism for grabbing and rotating the copper strip wrapped lead wire, a dip welding mechanism for soldering the tin copper strip wrapped lead wire and a welding column cutting and collecting mechanism for cutting and collecting a welding column, the copper strip winding mechanism comprises a driving motor, a hollow rotating platform is arranged at the output end of the driving motor, a rotating wall plate is arranged on the hollow rotating platform, a copper strip damper for placing a copper strip is arranged at one end of the rotating wall plate, and a guide roller is arranged on the rotating wall plate; the dip welding mechanism comprises a scaling powder heating table, a tin pot heating table and a tin scraping mechanism which are arranged in sequence. The device is simplified, the automation degree is high, the size is small, and batch preparation of the enhanced welding columns can be achieved.
Owner:SHANDONG INST OF AEROSPACE ELECTRONICS TECH

Pneumatic suspension system for simulating zero-gravity environment and control method

The invention provides a pneumatic suspension system for simulating a zero-gravity environment and a control method. The pneumatic suspension system comprises a supporting assembly, a suspension assembly and a control system. The supporting assembly comprises a box, a top plate and a spindle, the top plate is arranged in the box, vertical guide rails are arranged on two sides of the box, the spindle penetrates through the top plate and the box bottom, and the top is used for hanging a tested object. The suspension assembly comprises a beam, a cylinder barrel, an air floatation piston, a piston rod and an air source, the beam slides along the guide rail, an airflow channel is arranged in the beam and connected with the air floatation bearing, the air floatation piston is arranged in the cylinder barrel, the cylinder barrel is divided into an upper cavity and a lower cavity, the upper cavity is communicated with the atmosphere, the air source supplies air to the lower cavity, and the two ends of the piston rod are connected with the air floatation piston and the beam respectively. And the control system controls the gas transmission work of the gas source. According to the pneumatic suspension system, friction of the system is effectively reduced, dynamic self-adaptive balance is achieved through the control system, and therefore the more accurate and stable suspension effect is provided.
Owner:JIANGSU UNIV

Steering system and chassis

ActiveCN224703102UPrevent sideways slidingGuaranteed uptime
This utility model relates to the field of chassis technology, providing a steering system and chassis. The steering system includes: a wheelset assembly, a steering assembly, and multiple shock absorber assemblies. The steering assembly includes a rotating platform and a steering motor, with the steering motor mounted on the top surface of the rotating platform. Multiple shock absorber assemblies are spaced apart along the forward direction of the wheelset assembly. Each shock absorber assembly includes a shock absorber and a radial fixing member. The top of the shock absorber is vertically connected to the rotating platform, and the bottom of the shock absorber is connected to the wheelset assembly. The radial fixing member is located on the bottom surface of the rotating platform and on the outer periphery of the shock absorber. This utility model can prevent the shock absorber from twisting, keeping the wheelbase and track width of the wheelset assembly constant, thereby preventing lateral movement. The shock absorber assemblies not only provide shock absorption but also act as a single-sided support with the steering assembly, further preventing lateral slippage of the wheelset assembly and ensuring its operation according to a set kinematic model, resulting in high safety.
Owner:INTELLIGENT EQUIPMENT RESEARCH CENTER BEIJING ACADEMY OF AGRICULTURE AND FORESTRY SCIENCES

A spliced turning electric cylinder

The utility model discloses a spliced turning electric cylinder, the utility model discloses a first mounting seat is provided with the bottom of cylinder body, is provided with the piston rod on the cylinder body, and lubricating assembly includes setting the lubricating seat of cylinder body right side, the arc groove of opening in the inner wall of lubricating seat, the oil inlet pipe of setting in the top of lubricating seat, the oil inlet funnel of setting in the top of oil inlet pipe and the oil outlet pipe of setting in the bottom of lubricating seat, and the collection box of abutting at first mounting seat right side is included in collection component. In the utility model, the oil inlet funnel can pour in lubricating oil, and the lubricating oil after pouring will enter the arc groove of lubricating seat through the oil inlet pipe, and the arc groove makes lubricating oil slowly flow down along the outside of piston rod, and piston rod moves slowly, and piston rod can be completely lubricated, and then the cooperation of the stud and nut set up can fix the collection box on first mounting seat, and the collection box after fixing can automatically collect lubricating oil, so as to use.
Owner:DONGGUAN KELETUO AUTOMATION TECHNOLOGY CO LTD

Rotary cutting disc and moving head lamp with same

The utility model relates to a rotary cutting disc and a moving head lamp with the same. The rotary cutting disc comprises a fixed base plate, a bearing assembly, a power assembly, a light spot cutter and a light spot cutter mounting plate, the bearing assembly is fixedly connected with the fixed base plate and arranged below the center area of the fixed base plate. The power assembly comprises a driving motor, a large gear and a small gear. The output end of the driving motor is connected with the pinion; the pinion is arranged on the light plate cutter mounting plate and is positioned below the driving motor; the large gear is fixedly connected with a bearing seat of the bearing assembly and is in meshed connection with the small gear; the light spot cutter mounting plate is arranged below the large gear and fixedly connected with the rotating inner ring of the bearing assembly. According to the scheme, operation can be stable, noise generated in the rotating process of the light spot cutter mounting plate is effectively reduced, the space occupied by the whole cutting system is reduced, the structure is further simplified, and the service life is prolonged.
Owner:GUANGZHOU COSTA STAGE LIGHTING EQUIP CO LTD

Knob type hemostasis valve

The utility model provides a knob type hemostasis valve. The knob type hemostasis valve comprises a sealing shell, a screwing piece, a sealing piece and a gasket. The screwing piece is connected with the near end of the sealing shell, and a penetrating space suitable for penetrating an interventional instrument is formed between the screwing piece and the sealing shell; the screwing piece moves relative to the sealing shell under the action of external force so as to reduce or enlarge the penetrating space; the sealing piece is arranged in the penetrating space, and a penetrating hole suitable for penetrating an interventional instrument is formed in the sealing piece; the sealing piece is extruded by the screwing piece to generate elastic deformation so as to inwards extrude the penetrating hole; wherein the screwing piece is configured to reduce the penetrating space under the action of external force so as to extrude the sealing piece until the hole wall of the penetrating hole is tightly attached to the interventional instrument, and in order to avoid the situation that the screwing piece rotates to drive the first sealing piece to twist, and then the sealing performance between the first sealing piece and the interventional instrument is affected, a gasket is arranged between the screwing piece and the first sealing piece; therefore, the influence on the first sealing piece when the screwing piece rotates is reduced.
Owner:SHANGHAI HEALING MEDICAL DEVICES CO LTD

Dual-motor driving mechanism and mattress thereof

The utility model provides a dual-motor driving mechanism and a mattress thereof, and relates to the technical field of intelligent mattresses, the dual-motor driving mechanism comprises a cover body, the cover body is provided with two driving members capable of independently running; the driving component comprises a motor, the motor is connected with a first screw rod, and the first screw rod is in meshed connection with the gear; the gear is coaxially connected to a second screw rod, and the second screw rod is in threaded connection with a sliding block; a limiting component is arranged in the cover body to limit the sliding block to rotate along with the second screw rod, and the sliding block is pushed out to ascend and descend. The utility model has the beneficial effects that the double motors adopt a synchronous driving mechanism, and the synchronous driving mechanism is provided with two driving components capable of independently running and can be independently used for controlling the lifting motion of the head position and the foot position of the mattress; and the mattress is operated by using an independent bidirectional synchronous motor, although two dual-motor driving mechanisms are applied to the two sides of the mattress, the two dual-motor driving mechanisms are connected with each other without adopting a transmission shaft, so that the transmission shaft is prevented from being twisted off, and the after-sale problem generated in the use process of the mattress is reduced.
Owner:HUBEI JIUDIANJIU HOUSEHOLD PROD CO LTD

An electrical connector sheath mounting structure

This utility model discloses an electrical connector sheath mounting structure, including a wire harness end sheath and an appliance end socket. The wire harness end sheath includes a sheath body, a longitudinal arm on one side of the sheath body, and a locking block on the longitudinal arm. The appliance end socket has a locking opening on its side that cooperates with the locking block. The electrical connector sheath mounting structure of this utility model has the advantages of simple structure, low cost, and high reliability.
Owner:KAIRUI AUTOMOBILE TECHNOLOGY (ANHUI) CO LTD

Ultra-low torque resistance rotation steel wire rope

The utility model discloses an ultralow-torque rotation-resistant steel wire rope, which relates to the technical field of steel wire ropes, and adopts the following scheme that the ultralow-torque rotation-resistant steel wire rope comprises an inner core rope, an inner hinged steel wire is rotatably wound outside the inner core rope, an outer hinged steel wire is reversely and rotatably wound outside the inner hinged steel wire, and lubricating grease is coated between the outer hinged steel wire and the inner hinged steel wire; the inner core rope is arranged and is made of a high-strength and low-elongation synthetic material, so that the tensile strength and the extrusion resistance of the steel wire rope are improved, and the use safety of stress stretching is ensured; a multi-layer strand structure is formed by adopting a special twisting process, the twisting directions of all layers of steel wires are opposite, the overall torque of the steel wire rope is effectively reduced, the problem of twisting and winding is avoided, the steel wires have high strength and toughness after heat treatment, the surfaces of the steel wires are coated with lubricating grease or anti-rust oil, friction and abrasion between the steel wires are reduced, and the service life of the steel wire rope is prolonged. And the service life of the steel wire rope is effectively prolonged.
Owner:JIANGSU LANGSHAN WIREROPE CO LTD

Chest expander for animal experiment

The utility model relates to the technical field of animal experiments, and provides a chest expander for animal experiments, which comprises a mounting plate, the outer side of the mounting plate is fixedly connected with uniformly distributed reinforcing frames, a connecting plate is rotatably connected between the two reinforcing frames on the corresponding side, and the upper end of the connecting plate is fixedly connected with a mounting block I; a rotating seat is fixedly connected to the front side of the first mounting block, an arc-shaped plate is rotatably connected to the front side of the rotating seat, a clamping block is fixedly connected to the other end of the arc-shaped plate, and a second mounting block is fixedly connected to the lower end of the connecting plate. According to the device, the arm of an animal is attached to the connecting plate and arranged at the arc-shaped plate, the pull rod is pulled outwards to drive the inserting rod to move outwards, the spring is stressed to contract, the arc-shaped plate is rotated at the moment to clamp the clamping block and the mounting box, the pull rod is loosened, and the spring rebounds through the elasticity of the spring; and then the inserting rods are driven to reset and are inserted into the inserting holes, so that the arc-shaped plates are mounted, and the animal arms are fixed.
Owner:YUNNAN ZEQUN BIOTECHNOLOGY CO LTD

A quick-change shell puller hook shaft limit protection structure

The invention discloses a quick-change type shell hook shaft limiting protection structure, comprising a machine frame, a machine head body, a shell hook and a shell hook shaft installed on the machine head body, wherein a convex shoot is axially arranged at the front end of the machine frame body, and the convex shoot is located directly behind the locking tooth of the machine head body when the bolt is in an unlocked state, and is used to press the shell hook shaft, and the shell hook shaft comprises a rod and a head, and an accommodating groove is axially arranged at the front end of the rod of the machine head body, and is used to place the shell hook shaft head to prevent the shell hook shaft head from twisting, and a through hole is radially opened in the accommodating groove, and is used to install the shell hook shaft rod, and the shell hook shaft head is always blocked by the convex shoot bottom of the front end of the machine frame body and does not jump out of the machine head body during the unlocking / locking working cycle of the bolt. The structure of the invention can improve the maintenance performance of the bolt, facilitate the rapid replacement and disassembly and cleaning requirements of the shell hook shaft, and does not occupy the outer size of the machine head, and does not increase the volume of the locking part of the firearm, which is conducive to reducing the weight of the firearm and improving the mobility.
Owner:CHONGQING JIANSHE IND GRP

Conveying equipment spring hanger

The utility model provides a conveying equipment spring hanger, which comprises a hanger support, a spring upper gland, a compression spring, a spring lower gland and a hanger screw, wherein the spring upper gland, the compression spring and the spring lower gland are coaxially arranged in the hanger support from top to bottom, and the hanger screw penetrates from the lower part of the hanger support to the upper part of the spring upper gland. The spring upper gland is arranged on the upper surface of the bottom of the hanging support, the compression spring is arranged on the spring upper gland, the hanging hook is located below the hanging support and arranged at the lower end of the hanging screw, the spring lower gland is arranged on the upper surface of the bottom of the hanging support, and the hanging screw is in clearance fit with the bottom of the spring upper gland, the bottom of the compression spring, the bottom of the spring lower gland and the bottom of the hanging support. The upper end of the hanging screw is clamped above the upper end face of the spring upper gland through a pin shaft, clamping grooves in interference fit with the outer diameter of the compression spring are formed in the opposite end faces of the spring upper gland and the spring lower gland respectively, and the upper end and the lower end of the compression spring are clamped into the clamping grooves of the spring upper gland and the spring lower gland respectively.
Owner:ATEBURUI QINHUANGDAO TECH CO LTD

Anti-twisting yarn guide device

ActiveCN224132441Uavoid damageLimit deflection angleFilament handlingYarnStructural engineering
The utility model discloses an anti-twisting yarn guide device, which belongs to the technical field of devices for composite material production, and comprises an inner ring and an outer ring, the outer ring is sleeved outside the inner ring, the inner ring is rotatably connected with the outer ring, the inner ring is provided with a yarn passing hole, two shaft sleeves are rotatably connected in the yarn passing hole, the axis of each shaft sleeve is perpendicular to the axis of the inner ring, and a yarn passes through the space between the two shaft sleeves; two limiting columns are fixedly connected to the outer side wall of the inner ring and symmetrically arranged, two limiting holes are formed in the side wall of the outer ring, the two limiting columns penetrate through the two limiting holes respectively, and when the inner ring rotates, the two limiting columns slide in the two limiting holes respectively. On the premise that yarn abrasion is not increased, the twisting angle of the yarn in the running process can be limited, and the yarn is prevented from being twisted or folded.
Owner:WEIHAI GUANGWEI COMPOSITES

Sealing structure of a base assembly and 90-degree junction box for double cables

ActiveCN224759920UEven by forceWill not loosen
The utility model discloses a kind of sealing structure and the 90 degree junction box of double cable of base assembly, comprising: base assembly, upper cover assembly and second screw, the second plane is formed on base assembly upper end face, and threaded hole is formed on it symmetrically;The utility model is matched with the T type limiting boss of sealing ring by the gap of outer circumferential surface lower part, and the limitation of sealing ring circumferential rotation and axial displacement is cleverly realized.Specially, limiting boss is designed as six and is reasonably distributed along square sealing ring, ensure that sealing ring is evenly stressed, will not be loose in any direction, to solve the problem that sealing ring is offset and leads to sealing failure due to vibration or assembly error, realize accurate, stable multistage limiting of sealing ring, effectively prevent offset and twist, ensure sealing reliability.
Owner:ZHONGYI TECHNOLOGY (MIANYANG) CO LTD

Mounting method for concrete batter post

The invention belongs to the technical field of super high-rise building steel structure construction, and provides a mounting method for a concrete batter post, which comprises the following steps: S1, manufacturing the concrete batter post and a frame beam; s2, the concrete batter post and the frame beam are temporarily fixed; s3, a main hoisting chain block is arranged on the concrete inclined column; s4, a first balance chain block is arranged on the concrete inclined column, and a second balance chain block is arranged at the far end of the frame beam; s5, after the stable triangular body is lifted to the position 50 cm away from the ground through the main lifting chain block, the first balance chain block and the second balance chain block are adjusted; and S6, after the triangular body is stabilized in place, the triangular body is connected with the lower section component through temporary bolts, then connection of the frame beam and the adjacent steel column is completed, and finally all the chain blocks are removed. Compared with the prior art, the circular concrete batter post and the slope direction frame beam are pre-assembled on the ground to form the stable triangular body, and the four chain blocks are used for cooperatively controlling hoisting, so that the batter post and the associated beam are integrally lifted and accurately positioned.
Owner:NINGBO ERSHIYE CONSTRUCT CO LTD +1

Anti-twist device for tail rope of hoist

ActiveCN224691610Urestraint torsionsuppression offsetStructural engineeringMechanical engineering
The utility model relates to the field of hoist accessory, concretely relates to a hoist tail rope anti -twisting device, including fixed frame and two groups of constraint frame, two groups of constraint frame are respectively rotationally arranged in fixed frame both sides, the opposite side middle part of two groups of constraint frame all are fixed with limit stop, two limit stops opposite sides can mutually adhere, two groups of constraint frame opposite sides both sides all are provided with inner branch and outer branch, and the inner branch and the outer branch of adjacent position are located constraint frame same side, and the inner branch is located in the inner side of outer branch and can mutually abut tightly, and adjacent inner branch and outer branch constitute the blocking structure, the utility model discloses when one side tail rope occurs torsion and extrudes this side inner branch, not only does this inner branch limit the constraint of tail rope, still through the abutment cooperation with the outer branch of same side, the tail rope pressure of self -sustaining is conducted to the constraint frame of another side, thereby when tail rope deflection is by both sides constraint frame synchronous provides the constraint force of constraint, and the tail rope pressure is borne in common, effectively suppresses the deflection of tail rope.
Owner:CHANGCUN COAL MINE OF SHANXI LUAN ENVIRONMENTAL PROTECTION ENERGY DEV CO LTD

Suspension structure and vehicle

ActiveCN224476832Uavoid misalignmentavoid torsional deformationTorsional deformationSuspension (vehicle)
This application relates to the field of vehicle chassis and provides a suspension structure and a vehicle. The suspension structure of this application includes an outer tube, an inner core disposed within the outer tube, and an elastic body disposed between the outer tube and the inner core. The elastic body has a first portion wrapped around the inner core and a second portion connected to the first portion. The second portion is disposed at the end of the inner core connected to the powertrain bracket, and when the inner core is connected to the powertrain bracket, the second portion can abut against the powertrain bracket. The suspension structure of this application can increase the friction between the elastic body and the powertrain bracket, and also increase the friction between the powertrain bracket and the inner core during the connection process, preventing the inner core from shifting. This effectively avoids torsional deformation of the elastic body, thereby improving the reliability of the elastic body and the overall suspension structure.
Owner:GREAT WALL MOTOR CO LTD

Aircraft carbon emission sensing monitoring and quantification analysis device and method

The application discloses the technical field of aviation carbon emission monitoring, and discloses an aviation carbon emission sensing monitoring and quantitative analysis device and method.The device comprises a sensing monitoring component and a quantitative analysis component.The sensing monitoring component comprises a ground monitoring component and a cruising monitoring component.The quantitative analysis component is used for quantitatively analyzing aviation carbon emission according to data obtained by the sensing monitoring component.The device is provided with double unmanned aerial vehicles.The unmanned aerial vehicles are used to collect data in a V-shaped suspension posture in the air, and the suspension distance can be set to reduce the influence of the wind of the unmanned aerial vehicle blades on the collection process.The suspension posture is advantageous in reducing shaking and preventing the suspension rope from twisting, the monitoring effect is better, the data is accurate, and the analysis result accuracy is improved.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Novel bonding type orthodontic anterior molar auxiliary device

The utility model relates to a novel bonding type orthodontic anterior molar auxiliary device. The novel bonding type orthodontic advanced molar auxiliary device comprises cast belt rings, a lingual arch, a long-arm traction hook and an arch wire, the cast belt rings are installed on a first premolar and a second premolar on the two sides and connected through the lingual arch, and the cast belt rings are installed on the second molar on one side of a gap; a bracket and a buccal tube are respectively arranged on the cast belt rings on the buccal sides of the second premolar and the second molar on one side of the gap, an arch wire is fixed between the bracket and the buccal tube, and long-arm traction hooks are mounted on the bracket and the buccal tube and are connected through an elastic chain ring. According to the scheme provided by the invention, through buccal tongue side double-track stress application, the lingual inclination and torsion of the molars when the molars move forwards are greatly avoided, and the overall movement of the molars is realized; the applied force can be adjusted, the correction effect is improved, the anchorage strength is high, and the forward molar effect is stable.
Owner:THE AFFILIATED STOMATOLOGICAL HOSPITAL OF KUNMING MEDICAL UNIV