Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

129results about How to "Unfold stable" patented technology

Hyperbaric oxygen chamber with replaceable inner container and replacement method of hyperbaric oxygen chamber

The invention relates to the technical field of oxygen cabins, in particular to a hyperbaric oxygen cabin with a replaceable inner container, which comprises a cabin body, sealing rings are respectively embedded at the left end and the right end of the cabin body, a solid pull rope is respectively arranged in each sealing ring in a penetrating manner, one end of each pull rope is respectively connected with a hook, the left end surface in the cabin body is connected with a round pipe, and the round pipe can be used for the pull rope to penetrate through. An air inlet pipe and an oxygen inlet pipe are respectively connected to the circular pipe; a lying cushion is arranged at the bottom in the cabin body, an inner container which can be taken out is arranged on the lying cushion in the cabin body, the inner container is composed of a cylinder made of soft fabric and a hard circular ring, the right end of the inner container is arranged in a sealed mode, hanging rings are arranged on the inner side and the outer side of the right end face of the inner container respectively, an elastic ring is arranged at the left end of the inner container, and the elastic ring can be clamped on the circular pipe; an opening is formed in the inner container. The high-pressure oxygen chamber has the advantages of replaceable inner container, good sealing performance, simplicity and convenience in operation, high adaptability, convenience in maintenance and the like, and the use safety and the treatment effect of the high-pressure oxygen chamber can be remarkably improved.
Owner:ZHENGZHOU OLIVER ELECTRONIC TECH CO LTD

Water distribution gate device for irrigation canal

The utility model relates to the technical field of diversion gates for irrigation canals, in particular to a diversion gate device for irrigation canals, which comprises a fixing frame, a first sleeve block is fixedly connected to the outer wall of the front side of the left end of the fixing frame, a rotating shaft body is arranged at the upper end of the first sleeve block, and a second rotating block is arranged at the right end of the rotating shaft body. A sealing block is arranged at the front end of the fixing frame, and a clamping block is fixedly connected to the outer wall of the sealing block. The sealing block can stably move towards the right end of the fixing frame through the first sliding mechanism, two sets of supporting points are arranged in the device, so that the sealing block in the device is more stable during unfolding, the problem that a gate is damaged due to large impact force of water is effectively solved, and the service life of the gate is prolonged. And a baffle can move along with a second sliding block through a second sliding mechanism, so that floating objects of accessories of the fixing frame are blocked and fished by the baffle, and the problem that the floating objects flow into the next water area and are difficult to collect and clean is effectively prevented.
Owner:WEIFANG XIASHAN RESERVOIR MANAGEMENT SERVICE CENT

Intelligent cerebrovascular stent based on polymer short fibers and preparation method of intelligent cerebrovascular stent

The invention relates to an intelligent cerebrovascular stent based on polymer short fibers and a preparation method thereof. The method comprises the following steps: carrying out electrostatic spinning on a polymer spinning solution to obtain polymer long fibers, freezing the polymer long fibers in liquid nitrogen, and carrying out low-temperature shearing dispersion to obtain polymer short fibers; a polymer in the polymer spinning solution is at least one of polycaprolactone, polylactic acid, gelatin, cellulose, fibroin, collagen and chitosan; uniformly mixing the temperature response high-molecular polymer and the polymer short fiber to obtain a 4D printing raw material; and designing a 4D printing model of a spider-leg-imitating structure, and performing 4D printing on a 4D printing raw material to obtain the intelligent cerebrovascular stent. According to the preparation method, the intelligent cerebrovascular stent with the spider-leg-imitating structure is prepared, the spider-leg-imitating structure design and the introduction of the polymer short fibers can endow the cerebrovascular stent with better shape adaptability and intelligent responsiveness, and the mechanical property and the anti-skid property of the cerebrovascular stent are effectively improved.
Owner:HARBIN INST OF TECH

Airbag device

Even in a vehicle in which a console box is lower than the upper surface of a seat cushion or in a vehicle in which no console box is provided, an airbag device in which the deployment operation of an airbag cushion is stable when the airbag cushion is inflated and deployed and the airbag cushion does not incline when a passenger is restrained can be achieved. An airbag device (1) is provided with an airbag cushion (2), and a gas inflator (3) that injects gas to inflate the airbag cushion (2). The airbag cushion (2) has: a main chamber (2d) which is inflated and deployed toward one side of the occupant; and a lower chamber (2e) extending downward from a part of the main chamber (2d). The lower chamber (2e) is formed such that, when expanded and deployed, the lower end of the lower chamber (2e) can come into contact with the upper surface of the console box or the ground of the vehicle, said upper surface being located at a position lower than the upper surface of the seat cushion of the seat.
Owner:AUTOLIV DEV AB

High-resolution seismic wave imaging method and device

PendingCN119535595ARealize fine constructionImproved Seismic ResolutionSeismic signal processingImage resolutionClassical mechanics
According to the high-resolution seismic wave imaging method and device, on the premise that the modeling precision is improved, migration travel time errors are reduced, a one-way wave pre-stack depth Q migration technology is adopted for the first time based on a grid chromatography Q body establishment technology of structural constraints, the seismic resolution of shale oil thin layers is effectively improved, and the seismic resolution of the shale oil thin layers is improved. On the basis of high-precision grid velocity tomography, common imaging point gather frequency characteristics are picked up, Q tomography inversion is performed by using a peak value frequency shift method, fine establishment of a Q body is realized, a guide seat is mounted on a seismic wave imager, a guide rod can be mounted in the guide seat, two ends of the guide rod can be respectively connected with a bracket and a linkage rod, the linkage rod is connected to a foot stool, and the seismic wave imager is mounted on the foot stool. When the foot stool is pushed by the conical head to be opened, the guide rod can be pushed upwards, the guide rod can drive the support to move upwards, the support can push the solar panel, opening is achieved, the seismic wave imager can be rapidly placed when used, and rapid use is achieved.
Owner:STATE GRID ECONOMIC TECH RES INST CO LTD +1

Foldable storage box

The utility model belongs to the technical field of storage boxes, and particularly relates to a foldable storage box which comprises a main body unit, a top plate is detachably arranged on the main body unit, the main body unit comprises a bottom plate, side plates are arranged on the two sides of the bottom plate, and the bottom plate comprises a first base plate and a second base plate. The first base plate and the second base plate are oppositely folded so that the two side plates on the two sides of the bottom plate can be close to each other, the side plates are detachably connected with the top plate, and the two side plates are oppositely fixed. A supporting groove is formed in the upper portion of the side, close to the second base plate, of the first base plate, the upper side of the second base plate extends towards the first base plate to form a supporting protruding edge, the supporting protruding edge abuts against the interior of the supporting groove so that the first base plate and the second base plate can be stably unfolded, the first base plate is rotationally connected with the second base plate through a hinge rod, and the hinge rod is arranged on the lower side of the supporting groove. The supporting protruding edge can turn over towards the upper portion of the supporting groove and enables the first base plate and the second base plate to be folded oppositely. The foldable storage box is stable in structure and long in service life.
Owner:YONGKANG JIANHUI IND & TRADE CO LTD

Seat cushion

The utility model belongs to the technical field of seat cushions, and particularly relates to a seat cushion which comprises a seat plate and a backrest which can be folded relatively, a connecting groove is formed below the seat plate, the backrest comprises a backup plate and a connecting seat which are integrally arranged, the backup plate and the connecting seat are arranged in an L shape, and the connecting seat extends towards the lower portion of the seat plate and is rotationally connected with the connecting groove. A locking device is arranged between the connecting seat and the seat plate, and the locking device is respectively connected with the connecting seat and the seat plate, so that the connecting seat and the seat plate are relatively fixed, the seat plate and the backrest are kept in an unfolded state, and the cushion is simple in structure and convenient to use.
Owner:YONGKANG ZHONGDAO DAILY NECESSITIES CO LTD

Anti-aging folding floor brush

The utility model belongs to the technical field of cleaning supplies, and particularly relates to an anti-aging folding floor brush which comprises a brush body with bristles. The mounting plate is detachably connected with the brush body; the connecting disc is arranged on the side, away from the brush body, of the mounting plate; the rod body is of a three-section foldable structure; the rod body comprises a middle rod and end rods arranged on the two sides of the middle rod, and the two sides of the middle rod are connected with the end rods in a foldable mode through folding pieces. The joints of the end rods and the middle rod are provided with placing holes for placing the folding pieces; and the whole floor brush can be conveniently stored through the foldable rod body.
Owner:ZHEJIANG JIAXIN COMMODITY CO LTD

Foldable detection sensor of cable fault accurate positioning instrument

The utility model discloses a foldable detection sensor of a cable fault accurate positioning instrument. The foldable detection sensor comprises a first folding rod, a third folding rod and a rapid unfolding mechanism. The lower side of the folding rod I is connected with a folding rod II; a protective shell is arranged at the lower end of the third folding rod, an electromagnetic sensor and a sound wave vibration sensor are arranged in the protective shell, the output ends of the electromagnetic sensor and the sound wave vibration sensor are electrically connected to the input end of the cable fault accurate positioning instrument, and supporting plates are arranged at the lower end of the first folding rod, the upper end and the lower end of the second folding rod and the upper end of the third folding rod. According to the foldable detection sensor of the cable fault accurate positioning instrument, the detection sensor can be folded, the detection sensor can be conveniently stored in the cable fault accurate positioning instrument, the time needed for unfolding the detection sensor is shortened while it is guaranteed that the detection sensor is unfolded firmly, and the foldable detection sensor is more convenient to use.
Owner:HENAN SHENGZHI ELECTRIC CO LTD

Continuous fiber reinforced thermoplastic composite material mould pressing feeding device

The invention relates to the technical field of composite material manufacturing, in particular to a continuous fiber reinforced thermoplastic composite material mold pressing feeding device which comprises a supporting frame, a plurality of rollers are rotationally connected into the supporting frame, and one end of each roller extends out of the supporting frame and is coaxially and fixedly connected with a chain wheel. A driving assembly for driving the rollers to rotate is arranged at one end of the supporting frame, and the chain wheels are in chain transmission with the driving assembly; a plurality of L-shaped transverse plates transversely arranged between every two adjacent rollers are arranged on the lower portion of the supporting frame, first motors are installed on the long edges of the L-shaped transverse plates, output shafts of the first motors are coaxially and fixedly connected with a plurality of eccentric wheels, and the ends, away from the first motors, of the output shafts are rotationally connected with the short edges of the L-shaped transverse plates; the sieve plates are located in the motion trail of the eccentric wheel. Vibration dust removal of the fiber material is synchronously completed in the feeding process, so that the fiber surface cleanliness and the resin impregnation uniformity are remarkably improved, and the mechanical property and the surface quality of the finished composite material are improved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Auxiliary device for folding and storing protective clothing

The utility model discloses an auxiliary device for folding and storing protective clothing, and belongs to the technical field of medical instruments. The protective clothing folding and storing auxiliary device comprises a bearing plate, sleeve placing plates are hinged to the two sides of the bearing plate respectively, a clothing and trouser placing plate is hinged to the side, located between the two sleeve placing plates, of the bearing plate, and the clothing and trouser placing plate comprises thigh plate pieces and shank plate pieces; one side of the thigh plate is connected with a hinge, the thigh plate is hinged to one side of the shank plate through the hinge, supporting legs are installed at the corners of the thigh plate and the shank plate respectively, the bottom faces of the supporting legs are flush with the bottom face of the bearing plate, and the thigh plate is hinged to one side of the shank plate through the hinge. A clothes and hat placing plate is hinged to the side, away from the clothes and trousers placing plate, of the bearing plate, a groove is formed in the top face of the bearing plate, a folding plate is arranged in the groove and comprises a plate body, and the plate body is hinged to one side of the inner wall of the groove.
Owner:DONGGUAN SANYE GARMENT CO LTD

Aluminum alloy box body for new energy truck

The application relates to the aluminum alloy processing technical field and discloses a new energy truck aluminum alloy box body, which comprises a detachable truck box frame, the truck box frame comprises aluminum alloy side plates spliced through supports, triangular irons are arranged at the corner positions of the supports, rotatable inner frames are arranged on the aluminum alloy side plates, a traction assembly for driving the inner frames to rotate is further arranged in the truck box frame, the traction assembly comprises matched extension plates and rollers, and a sliding cylinder is slidably arranged on a vertical column; the truck box frame further comprises a bottom plate, a limiting assembly for fixing the inner frames is arranged on the periphery of the bottom plate, the limiting assembly comprises a limiting pin sleeved in a limiting cylinder, a limiting spring and a limiting rope are connected to the bottom end of the limiting pin, the other end of the limiting rope penetrates through the limiting cylinder and is connected to a cylinder, a suspension spring is arranged on the sliding cylinder, and the roller is not in contact with the extension plate when the inner frame is in a vertical state. Compared with the prior art, the application solves the problems such as low truck box unloading efficiency.
Owner:ANHUI XINBO ALUMINUM CO LTD

Gypsum mortar production device

The utility model discloses a gypsum mortar production device which comprises a supporting frame, the supporting frame is installed on external equipment, an unfolding mechanism is arranged on the supporting frame, the unfolding mechanism comprises a base, a crushing shell, a driving mechanism, a pressing plate, a rotating shaft, a fixing sleeve, an inserting rod, a follow-up frame, a lateral sleeve and an unfastening mechanism, the base is installed on the supporting frame, and the crushing shell is installed on the base. One end of the crushing shell is rotationally connected to the base, a pressing plate is installed at the other end of the crushing shell, the driving mechanism is installed on the supporting frame, the rotating shaft is rotationally connected to the supporting frame, the unfolding mechanism can achieve stable unfolding and fixing of the crushing shell, and the unfolding stability and safety are improved through the design of the base and the crushing shell. The design of a pressing plate and a rotating shaft ensures the flexibility and the high efficiency of unfolding, the design of an inserting rod, a follow-up frame, a lateral sleeve and an unfastening mechanism ensures the reliability and the convenience of an unfolding system, and the design improves the convenience of overhauling and cleaning.
Owner:JINGMEN CITY LEIXIN GYPSUM PROD

A retractable canopy

The utility model relates to technical field of rain shelter, disclose a telescopic rain shelter including: rain shelter frame, the rain shelter frame is provided with two slide rails, two rhombus telescopic frames, the rhombus telescopic frame includes spring and multiple first and last connected rhombic frame, the rhombic frame slidingly arranged on the slide rail, the end of adjacent two edges of the rhombic frame all articulates, two diagonal lines of the rhombic frame are respectively vertical direction setting and horizontal direction setting, the both ends of spring are connected with the top end diagonal articulation point of rhombic frame and the bottom end diagonal articulation point of rhombic frame respectively, and the spring is in the tensile state, tarpaulin, the two sides of tarpaulin bottom are set up on two the rhombus telescopic frame respectively, the utility model discloses through setting up tensile state spring along diagonal line direction in the top end diagonal articulation point and the bottom end diagonal articulation point of rhombic frame, lets the rhombus telescopic frame equidistant extension formed by multiple series connection rhombic frame, makes the rain shelter even stretch, avoids the rain shelter concave waterlogging situation to occur.
Owner:GUANGDONG JUNDEHUASHI NEW ENERGY TECHNOLOGY CO LTD

Drawing table capable of being stored and folded

The utility model belongs to the technical field of drawing tables, and particularly relates to a drawing table capable of being stored and folded, which comprises an outer shell, an unfolding assembly comprises a two-way screw rod, connecting seats are fixedly arranged on two sides of a fixing seat, and the two-way screw rod is rotatably arranged in a sliding groove formed in the top surface of each connecting seat. The outer sides of the two ends of the bidirectional lead screw are sleeved with a first sliding block and a second sliding block in a threaded connection mode respectively, connecting bases are fixedly arranged on the top faces of the first sliding block and the second sliding block and rotationally connected with one end of a movable rod, and the other end of the movable rod is rotationally connected with the bottom face of a movable plate. A placement plate is rotatably arranged between the two sets of limiting plates and connected with an angle adjusting assembly arranged on one side of one set of limiting plates, the angle adjusting assembly comprises a first worm gear, a shaft rod of the first worm gear is connected with one end of the placement plate in a penetrating mode, and one side of the first worm gear is connected with a first worm in an engaged mode; the problems that a traditional drawing table is rigid and fixed in overall structure, large in occupied area and inconvenient to carry are solved.
Owner:JINING POLYTECHNIC

Hidden multi-guarantee self-rescue reel

The invention discloses a hidden multi-guarantee self-rescue reel, which relates to the field of fire-fighting equipment, and comprises an equipment box, a box door arranged on one side of the equipment box, a fire-fighting reel arranged at one end in the equipment box, a fire-fighting water pipe arranged in the middle of the fire-fighting reel, a water supply pipe arranged on one side of the fire-fighting reel, and a rope sleeve hung at the water outlet end of the fire-fighting water pipe, the first gear disc is arranged at the other end of the fire-fighting reel, the second gear disc is arranged at one end of the first gear disc, the hollow fluted disc is arranged on one side of the second gear disc, and the escapement component is arranged on the other side of the hollow fluted disc; the hidden multi-guarantee self-rescue reel is dual-purpose, can spray water flow through a traditional self-rescue reel for fire fighting and self rescue, and can also be combined into a descent control device for emergency escape.
Owner:JIANGSU TESHUN IND TECHNOLOGY CO LTD

Supporting leg linkage folding and unfolding mechanism of a folding deck chair

ActiveCN224483415UEasy to automatically expandEasy to fold
The utility model belongs to deck chair technical field, especially relates to a support foot linkage of folding deck chair and support mechanism, including bed body and be used for supporting the support frame of bed body, the bed body includes the seat frame and backrest that can be relatively folded, and the support frame is arranged on the seat frame, and the support foot is rotationally arranged on the backrest, and the transmission connecting rod is between the support foot and the seat frame, and the transmission connecting rod is rotationally connected with the support foot and the seat frame respectively, the backrest is controlled and is unfolded with the seat frame, and the transmission connecting rod can drive the support foot and the backrest to unfold oppositely, thereby making the support foot can support the backrest, the backrest is controlled and is folded with the seat frame, and the transmission connecting rod can drive the support foot and the backrest to fold oppositely and draw together, the transmission connecting rod is telescopic link, or, a plurality of installation sites are set up on the transmission connecting rod and are connected with the support foot and the seat frame, the utility model's purpose lies in providing a support foot linkage of folding deck chair and support mechanism that is stable in structure and is convenient to store and transport.
Owner:YANCHENG DAFENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Multifunctional massage intelligent sofa

The utility model relates to the technical field of massage sofas, and discloses a multifunctional massage intelligent sofa which comprises a sofa body, a plurality of sofa cushions are installed at the top end of the sofa body, a first fixing plate is fixedly connected to the inner wall of the bottom end of the sofa body, and a driving motor is fixedly connected to the left end of the first fixing plate. The driving end of the driving motor is connected with a sliding groove pipe through a massage set, the inner wall of the sliding groove pipe is slidably connected with a massage head, the front side and the rear side of the left end and the right end of the sofa body are fixedly connected with first extension frames, the opposite ends of the first extension frames are connected with table plates through functional sets, and the opposite ends of the table plates are fixedly connected with fixing rings. According to the utility model, the lifting of the massage head is controlled through the adapter plate and the adapter ring, the composite massage of rotation and pressing is realized, the massage effect is improved, and through the unfolded extension frame and the torsion spring locking mechanism, the table plate is ensured to be stable and reliable after being unfolded, can bear a larger load, and has improved functionality.
Owner:ZHEJIANG AONIAN HOME CO LTD

Segmented foldable shrinkage core for box girder

A box girder segmented foldable shrink core mold, which comprises segmented core molds, stacked rod longitudinal connecting steel wires and core mold longitudinal connecting bolts; the adjacent edges of the segmented core molds are connected by the core mold longitudinal connecting bolts to form a whole; a stacked rod longitudinal connecting steel wire is connected between the adjacent segmented core molds. The box girder segmented foldable shrink core mold has the following beneficial effects: the box girder folding inner mold can be stably folded and unfolded, and can be stably separated from the concrete, and the operation is convenient, so that the dismounting efficiency and construction safety of the box girder core mold can be improved.
Owner:CHINA RAILWAY SIXTH GROUP CO LTD +1

Storage box

The utility model belongs to the technical field of storage boxes, and particularly relates to a storage box which comprises a main body unit, a top plate is detachably arranged on the main body unit, the main body unit comprises a bottom plate and side plates arranged on the two sides of the bottom plate, the side plates and the bottom plate can be folded and drawn close to each other, and the bottom plate and the side plates are provided with connecting protrusions and connecting grooves respectively. The connecting protrusions and the connecting grooves are matched to enable the bottom plate and the side plates to be movably connected and prevent the bottom plate from being separated from the side plates, first inserting parts are arranged on the two sides of the bottom plate respectively, first inserting holes matched with the first inserting parts are formed in the side faces of the side plates, and the first inserting parts and the first inserting holes are matched to limit relative folding of the side plates and the bottom plate. The side plates can move towards the two sides of the bottom plate and enable the first inserting parts to be separated from the first inserting holes; the side plates are detachably connected with the top plate respectively, the side plates are limited to move towards the two sides of the bottom plate, and therefore the first inserting parts are kept connected with the first inserting holes, and the storage box is stable in structure and long in service life.
Owner:YONGKANG JIANHUI IND & TRADE CO LTD

Telescopic awning

The utility model discloses a telescopic awning, which belongs to the technical field of sunshade equipment, and comprises a fixed seat, the fixed seat is provided with a corresponding accommodating chamber, the lower part of the front side of the accommodating chamber is movably provided with a clamping plate through an extension arm, and when a sunshade cloth is released, the clamping plate is clamped by the extension arm. The clamping plate moves to a preset position along with the free end of the sunshade cloth through natural stretching of the unfolding arm, when the sunshade cloth is rolled up, the clamping plate is pulled back to the original position, the unfolding arm is stressed to be retracted into the containing cavity, the sunshade cloth is always in a straight state when being unfolded and folded, and the device is compact in structure, easy and convenient to operate and high in practicability. In addition, it can be ensured that the sunshade cloth is always in a straightened state when unfolded and folded, meanwhile, the lighting function is added, and practicability is improved.
Owner:HANGZHOU DADI SUN SHADE PRODUCTS CO LTD

A double single-hook anti-bottom structure combined fish hook and fish bait

PendingCN122250433ASolve the problem of easy decouplingstable stateFish-hooksBaitZoologyMechanical engineering
The application discloses a double-single-hook anti-bottom-hanging structure combined fish hook and bait, and relates to the technical field of fishing gear, comprising: a hanging ring, a first fish hook, a second fish hook and a detachable connecting sleeve; wherein the hook handle ends of the first fish hook and the second fish hook are movably connected in the hanging ring, the detachable connecting sleeve is movably sleeved between the hook handles of the first fish hook and the second fish hook, and is used for folding the hook heads of the first fish hook and the second fish hook to the outside of the middle part of the bait body. The application has low manufacturing cost, the combined fish hook can be connected with soft glue and hard plastic simulation baits of different styles, has strong universality, is easy to mass produce and popularize and apply, and comprehensively improves the use defects of the traditional simulation bait fish hook structure, and greatly improves the overall experience and fishing effect of the lure fishing.
Owner:ANHUI JINQUAN FISHING TOOLS CO LTD

Carding machine protection device for producing medical absorbent cotton balls

The utility model discloses a carding machine protection device for medical absorbent ball production, and relates to the technical field of medical absorbent ball production, the carding machine protection device comprises a mounting arm, one end of the mounting arm is fixedly connected with a protection mechanism, the protection mechanism comprises a fixed protection assembly and a movable protection assembly, the movable protection assembly is located on the outer side of the fixed protection assembly, an operator pulls the movable frame, so that the side plates on the two sides, the connecting arc plate and the mounting plate are pulled to do arc motion, the multiple first roller sets are driven to roll on the inner side of the arc plate, and the multiple second roller sets are driven to roll on the two sides of a sector ring; therefore, the movable frame extends out of the fixed protection assembly along the arc track of the arc plate, the fixed frame and the movable frame cover the outer side of the cotton cylinder, the rotating cotton cylinder is protected, the external environment is prevented from directly touching cotton slivers integrated with single fibers, the cotton slivers are protected against external influences, and then the production quality of medical absorbent cotton balls is guaranteed.
Owner:SHANDONG HAOSHUO CENTURY MEDICAL TECH CO LTD

High-precision replaceable side milling cutter

The invention relates to the technical field of cutters, in particular to a high-precision replaceable side milling cutter which comprises a cutter shell body, a cutter shell bearing seat is mounted in the cutter shell body, a cutter handle is arranged on the inner side of the cutter shell bearing seat, a connecting shaft is fixedly connected to the bottom end of the cutter handle, and a mounting seat is fixedly mounted at the bottom end of the cutter shell body through a plurality of first bolts. The tool holder is arranged in the mounting base in a penetrating and rotating connection mode, the fixing frame is fixedly connected to the outer wall of the mounting base, the tool protection assembly is arranged on one side of the fixing frame, and the automatic retracting and releasing mechanism is arranged on one side of the tool protection assembly in a rotating connection mode. According to the milling head, the mounting seat provided with a cutter can be quickly disassembled, the characteristics of high precision, small size and high rigidity are realized through precise mechanical interface modularized quick-change interface connection, the milling head is compact in size and can go deep into a narrow space, and the precision of a machined surface is guaranteed.
Owner:ZHUHAI KAILING MASCH TECH CO LTD

Vertical precast component positioning and installation system and installation method

This application relates to the field of building construction technology and discloses a vertical precast component positioning and installation system and method. The system includes a moving load-bearing mechanism, a component clamping and flipping mechanism, and a rebar correction and positioning mechanism. The component clamping and flipping mechanism clamps the vertical precast component and drives it from a horizontal transport state to an upright installation state. The rebar correction and positioning mechanism is used to position and correct the upper end of the exposed section of the pre-embedded rebar at the installation location. The rebar correction and positioning mechanism includes a correction bracket and multiple correction claws. In the retracted state, the correction bracket can be inserted into the installation area through the gap between adjacent pre-embedded rebars from one side. In the open state, the multiple correction claws respectively clamp the upper end of the corresponding exposed section of the pre-embedded rebar. After correction is completed, the component clamping and flipping mechanism drives the vertical precast component to descend, aligning the bottom precast hole with the pre-embedded rebar and fitting it in place for installation. This application can improve the hole alignment accuracy and construction efficiency of precast component installation.
Owner:CHINA FIRST METALLURGICAL GROUP

Engineering cost management device

The utility model discloses a project cost management device which comprises a fixed base, universal wheels, supporting columns, a base supporting assembly, a first display board, a second display board and a display board supporting assembly. The universal wheels are located at the bottom end of the fixed base, the supporting column is located at the top end of the fixed base, the base supporting assembly is located at the bottom end of the supporting column, the first display board is located at the top end of the supporting column, the second display board is located on the inner side of the first display board, and the display board supporting assemblies are located on the two sides of the supporting column. Compared with the prior art, the support has the advantages that a sliding display board can be stably supported, the display board can be locked and prevented from sliding, and the support can be quickly moved, conveniently carried and stably supported for use.
Owner:GREENLAND GRP JINAN LVLU REAL ESTATE CO LTD

Device and method for rapidly measuring diameter at breast height of tree

The invention belongs to the technical field of tree diameter at breast height rapid measurement, and particularly relates to a tree diameter at breast height rapid measurement device and method.The tree diameter at breast height rapid measurement device comprises a tripod, a leveling mechanism, a first laser range finder and a controller, a base is hinged to the bottom of the tripod, a base is arranged on the top of the tripod, a rotating disc is arranged on the leveling mechanism, and the controller is connected to the rotating disc; the first laser range finder is connected to the controller, the gradienter is connected to the controller, the first laser range finder and the power device are both electrically connected with the controller, and the measurement method mainly adopts laser scanning to obtain distance and angle information and records the position and the diameter at breast height of the tree by using formulas (x, y) = (d2 * sin alpha, d2 * cos alpha) and R = (d1 + d3-2d2) / 2d2. Compared with the prior art, the method has the advantages that the DBH data can be obtained through one-time scanning of the laser range finder, three-dimensional modeling and later data processing do not need to be carried out, and the measurement efficiency and convenience are improved.
Owner:SHANDONG XIANGLIN PLANNING & DESIGN CO LTD

Grid rudder transmission device and grid rudder device

The present application provides a grid rudder transmission device and a grid rudder device, the device comprising: a machine base, a main shaft, an unfolding mechanism and a swinging mechanism; the machine base is used to be fixed on the inner wall of the arrow body; the main shaft is rotatably connected in the machine base; the unfolding mechanism is fixedly connected to the main shaft and passes through the main shaft to be connected to the grid wing; the unfolding mechanism is used to drive the grid wing to unfold; the swinging mechanism is fixedly connected to the machine base and connected to the main shaft; the swinging mechanism is used to drive the main shaft to rotate in the machine base, and the rotation of the main shaft drives the grid wing to swing. The present application improves the synchronism of the unfolding speed of multiple groups of grid rudders, the reliability and reduces the failure rate.
Owner:BEIJING ZHONGKE AEROSPACE TECH CO LTD