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44results about How to "Avoid vertical" patented technology

Hydraulic pile driver for highway guardrails

ActiveCN106149720AImprove the positioning accuracy of pilingLow fee pile rateBulkheads/pilesEngineeringRolling chassis
The invention relates to a hydraulic pile driver for highway guardrails. The hydraulic pile driver for the high-way guardrails comprises a pile frame, a four-wheel chassis for supporting the pile frame, a hydraulic hammer, a hinge type sliding frame driving the hydraulic hammer to slide on the pile frame and a stretching and retracting mechanism which is arranged on the four-wheel chassis and used for driving the pile frame to longitudinally and transversely swing for adjustment on the horizontal plane. The pile frame comprises a connecting plate, a swing arm, an upper guide rail, a lower guide rail, a swing arm oil cylinder and a guide rail oil cylinder. One end of the swing arm is hinged to the upper end of the connecting plate, and the other end of the swing arm is hinged to the hinge type sliding frame. The upper end of the lower guide rail is hinged to the upper guide rail. The lower end of the lower guide rail is hinged to the stretching and retracting mechanism. The hinge type sliding frame is matched with the lower guide rail in a matched manner. The upper end of the swing arm oil cylinder is hinged to the middle of the swing arm. The lower end of the swing arm oil cylinder and the lower end of the connecting plate are hinged to the stretching and retracting mechanism together. The upper end of the guide rail oil cylinder is hinged to the upper guide rail, the lower end of the guide rail oil cylinder is hinged to the stretching and retracting mechanism, and therefore the upper guide rail and the lower guide rail are driven by the guide rail oil cylinder to ascend and descend.
Owner:山东八达国际工程机械有限公司

Mounting method for sill anchor combined support frame for steel structure shear wall and outer frame column base of super high-rise building

The invention discloses a mounting method for a sill anchor combined support frame for a steel structure shear wall and an outer frame column base of a super high-rise building. The method comprises the following steps of: S1, paying off at the position of the sill anchor combined support frame after civil foundation bed construction is finished; S2, mounting a transition rack at a proper position; S3, assembling an anchor bolt stock, an anchor bolt and an anchor bolt penetrating rack into an anchor bolt component, and placing the anchor bolt component on the transition rack; S4, preserving slot templates on a steel plate wall or a steel column foot base anti-shear component; S5, performing a primary calibration on the perpendicularity, the planimetric position and the anchor bolt top elevation of the overall anchor bolt component; S6, performing a secondary calibration on the perpendicularity and the elevation of the anchor bolt in the anchor bolt component before pouring concretes; and S8, pouring building foundation concretes. The mounting method has the advantages of assembling the sill anchor combined support off site so as to reduce in-site cross operation, flexibly adjusting the sill anchor combined support according the practical situation on site, greatly improving the construction efficiency and the like.
Owner:北京市机械施工集团有限公司 +1

Integrated concrete pile tip and manufacturing method thereof

The invention provides an integrated concrete pile tip and a manufacturing method thereof. The product mainly solves the problems that the conventional hollow square pile is difficult to sink, difficultly passes through a hard interlayer and a frozen soil layer and the like. The integrated concrete pile tip is divided into an integral type integrated concrete pile tip and an assembling type integrated concrete pile tip, wherein in the integral type integrated concrete pile tip, a pile tip part and a pile body can be manufactured together through centrifugal molding; and in the assembling type integrated concrete pile tip, the pile tip part is manufactured first and then is connected with the pile body into a whole. A prestressed steel bar runs through the axis direction of the integrated concrete pile tip; the integral type integrated concrete pile tip is applied with prestressing force by a pretensioning method; and the pile body part of the assembling type integrated concrete pile tip is applied with prestressing force by the pretensioning method and the pile tip part of the assembling type integrated concrete pile tip is applied with prestressing force by a posttensioning method. Compared with the common hollow square pile, the product saves one end plate and responds to the national call for energy conservation and emission reduction. The product has the advantages of improving the whole structural strength of the pile body, overcoming the defects that the pile body is not vertical and is displaceable, a pile material is damaged and fractured and the like, obviously improving pile-forming quality and the like.
Owner:SHANGHAI ZHONGJI PILE IND

Spatial cable suspension bridge main cable construction assisting device and main cable construction method

The invention discloses a spatial cable suspension bridge main cable construction assisting device. The spatial cable suspension bridge main cable construction assisting device comprises spatial cablefixing brackets and main cable strand wire temporary fixing devices, wherein a transverse support and two longitudinal supports are arranged on each spatial cable fixing bracket; the top ends of thelongitudinal supports are connected with the transverse support to form a trapezoid; the bottom ends of the longitudinal supports are connected with a main bridge steel box girder; the longitudinal supports are positioned on a spatial cable design plane of a main cable; the main cable strand wire temporary fixing devices are arranged at the upper parts of the two sides of the spatial cable fixingbrackets; each main cable strand wire temporary fixing device comprises an external sleeve, a plurality of locating cable clips and a connecting plate; a main cable strand wire penetrates through thelocating cable clips; the adjacent locating cable clips are spliced with each other within the same plane; the adjacent locating cable clips are connected with each other through connecting plates; the twisting of the main cable can be effectively prevented; the phenomena that the internal and external stresses are not balanced and the safety stock of the main cable is reduced due to the wire swelling phenomenon generated in the main cable mounting process are avoided; and the phenomenon that a spatial sling cannot enter a hole or is not perpendicular to the anchoring surface can be avoided.
Owner:XIAN MUNICIPAL ENG DESIGN & RES INST

Central venous pressure measurement scale

The invention mainly discloses a central venous pressure measurement scale which is of a transparent structure with an interlayer filled with liquid for indicating the horizontal position. The volume of the liquid is no more than two thirds of that of the interlayer. A clamping groove for clamping an infusion tube is arranged on the measurement scale along the length direction of the measurement scale, and scales for measuring venous pressure are formed on the side of the clamping groove. The measurement scale is arranged on a bottom rack which comprises a base and supporting rods perpendicularly arranged at two ends of the base. Two sides of the measurement scale in the width direction are rotatably connected with the supporting rods through rotary shafts, and the measurement scale keeps perpendicular in a free state by means of the positions of the rotary shafts. By means of the horizontal principle, the central venous pressure measurement scale can measure patients' central venous pressure accurately, and is simple in operation, convenient and fast and capable of avoiding deviation of the measured value caused by out of plumb or deformation of the infusion tube, ensuring accuracy of central venous pressure (CVP) measurement results and ensuring true judgment of state of an illness and normal treatment of the illness of patients.
Owner:THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV OF SCI & TECH

Medium-low speed maglev traffic engineering double-line excavation section pile foundation combined type rail bearing beam structure

The invention belongs to the technical field of medium-low speed maglev traffic engineering low arrangement lines and discloses a medium-low speed maglev traffic engineering double-line excavation section pile foundation combined type rail bearing beam structure. The medium-low speed maglev traffic engineering double-line excavation section pile foundation combined type rail bearing beam structure comprises a plurality of first pile foundation bearing structures, a pile foundation support beam combined bearing structure, two rows of reinforced concrete rail bearing beam base plates, two rows of reinforced concrete beam type structures and rail bearing beam two-side backfill filler. The top end of each first pile foundation bearing structure is connected with the corresponding reinforced concrete rail bearing beam base plate in a bearing mode. The top ends of the reinforced concrete rail bearing beam base plates are connected with the reinforced concrete beam type structures in a bearing mode. A drainage ditch is arranged beside the rail bearing beam two-side backfill filler and is provided with a drainage slope. According to the medium-low speed maglev traffic engineering double-line excavation section pile foundation combined type rail bearing beam structure, the requirements of a medium-low speed maglev traffic engineering rail structure for deformation of the rail bearing beam structure and high post-construction settlement can be met, the requirements of long-term stability, durability and construction quality controllability of a foundation bed can also be met, and the economy is better.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Corn threshing and impurity removal integrated device

The invention discloses a threshing and deslagging integrated device for corn. The device comprises a threshing part, a separating part and an impurity removing part, wherein the threshing part comprises a horizontally arranged box body and a first threshing mechanism and a second threshing mechanism; the first threshing mechanism comprises a plurality of pressing assemblies, a supporting plate and a plurality of rotor drums; each of the pressing assemblies comprises an air cylinder and a needle head; a bottom plate is hinged to the bottoms of the rotor drums; a sensor is arranged on the bottom plate; the air cylinder, the rotor drums, the bottom plate and the sensor are connected with a controller; the second threshing mechanism comprises a roll shaft assembly and a conveyor belt; the separating part comprises a barrel body, wherein a space where corn kernel roll is formed between the barrel body and the box body; the impurity removing part comprises a conveying pipeline, a T-shaped impurity removing tower, a collecting tower and an exhaust fan. By threshing the cobs in two sections, corn kernels and cobs are separated; impurities of the cobs are removed in two sections, so that the corn kernels are separated from small particle slag body impurities and cob impurities; the device has the advantages of being sanitary, energy-saving, convenient, high in threshing efficiency, good in corn kernel quality and the like.
Owner:界首市金龙机械设备有限公司

Welding device and method for end cover and supporting shaft of pepper pedicle removing machine

The invention discloses a welding device for an end cover and a supporting shaft of a pepper pedicle removing machine. The welding device includes a support frame, the support frame is provided with three end cover clamping mechanisms which are evenly distributed in the circumferential direction, and each end cover clamping mechanism includes a sliding plate, wherein the sliding plate is slidinglyconnected to the upper end of the support frame; the support frame coaxially fixes an inner layer rotary table and an outer layer rotary table, the inner layer rotary table fixes a guide pin, the guide pin is slidably connected with a slide groove in the sliding plate, the slide groove is a chute, the outer end of each sliding plate is fixedly provided with a compression frame, each compression frame is provided with an upper compression block, a lower compression block and a side V-shaped block and is used for centering and clamping the end cover, and the support frame is fixedly provided with a support sleeve and a support shaft cylinder, the supporting shaft is in sliding clearance fit with the support sleeve, the support shaft cylinder is used for tightening the supporting shaft fromthe lower side, and positioning and clamping of the supporting shaft are achieved; and the inner rotary table is fixedly provided with a welding mechanism which is used for welding the end cover and the support shaft, automatic welding of the end cover and the support shaft is achieved, and the coaxiality of the end cover and the support shaft is achieved.
Owner:ANYANG INST OF TECH

Detection device for angle of cut surface of single crystal silicon rod and square opening machine

The invention discloses a detection device for an angle of a cut surface of a single crystal silicon rod and a square opening machine. The square opening machine comprises a square opening machine body and the detection device for the angle of the cut surface of the single crystal silicon rod. The detection device for the angle of the cut surface of the single crystal silicon rod comprises a distance measuring sensor, a mounting pedestal and a translation driving mechanism. The mounting pedestal is installed on a clamping base of a clamping mechanism and is located below the single crystal silicon rod held by the clamping mechanism. The translation driving mechanism is used for driving movement of the distance measuring sensor. The distance measuring sensor is connected to the translationdriving mechanism, and is arranged vertically upward toward the single crystal silicon rod. After the central axis of the single crystal silicon rod is aligned with the clamping mechanism, the distance measuring sensor collects a first distance data. After the translation driving mechanism drives the distance measuring sensor to move a certain distance, the distance measuring sensor collects a second distance data. If the first distance data is inconsistent with the second distance data, the angle of the single crystal silicon rod needs to be adjusted. The detection device of the invention hasthe advantage of detecting whether the cut surface of the single crystal silicon rod is horizontal.
Owner:福州天瑞线锯科技有限公司

Floating location chassis riveting tool

The invention discloses a floating location chassis riveting tool. The floating location chassis riveting tool is used for riveting a chassis and a stator core support by virtue of hollow rivets to form a combined chassis structure, the floating location chassis riveting tool comprises an upper mould set, a lower mould set, a support hole location core, a chassis inner edge floating location core,a limiting column and riveting claws, wherein a plurality of forks of the stator core support are arranged in a plurality of grooves of the chassis, after a plurality of corresponding mounting holesare aligned, the hollow rivets are inserted into the mounting holes respectively, then the overall structure is arranged inside the chassis inner edge floating location core in a sheathing manner, a support location core is in interference fit with the chassis inner edge floating location core, a bearing hole of the stator core support is arranged inside the support location core in a sheathing manner, the limiting column is in the interference fit with the chassis inner edge floating location core, the limiting column is used for limiting when the upper mould set is pressed downwards, the mounted assemblies and a plurality of riveting claws are arranged on the lower mould set, and a plurality of groups of riveting claws and the hollow rivets are respectively located on the same axis. Whenthe riveting tool disclosed by the invention is utilized for processing a combined type chassis structure, production efficiency is high, and chassis quality is good.
Owner:SUZHOU INST OF INDAL TECH

Anti-theft door lock

ActiveCN111809965AEasy alignmentImprove door opening efficiencyBuilding locksStructural engineeringMechanical engineering
The invention belongs to the technical field of anti-theft door locks, and particularly relates to an anti-theft door lock. The anti-theft door lock comprises a lock body, wherein the lock body comprises a shell, a handle and a lock head, four rectangular through holes are formed in the front surface of the shell at equal intervals in the circumferential direction of the lock head, clamping platesare rotationally installed at the rectangular through holes, the ends, close to the lock head, of the clamping plates are made of iron materials, the clamping plates are located in an inner cavity ofthe shell, limiting blocks are fixed at the positions, located at the rectangular through holes, of the inner cavity of the shell, electromagnets are arranged on the side walls of the limiting blocks, reset springs are fixed at the output ends of the electromagnets, and the ends, far away from the corresponding electromagnets, of the reset springs are fixed at the ends, close to the lock head, ofthe adjacent clamping plates. According to the anti-theft door lock, the clamping plates in the four directions are popped up to limit and guide a key on the hand of a user, so that the key on the hand of the user is kept at a correct angle and position, then the user can conveniently align the key, then the door opening efficiency of the user is improved, and convenience is brought to the dailylife of the user.
Owner:山东依蒙智能科技有限公司

Silicon single crystal rod cutting surface angle detection device and squaring machine

The invention discloses a silicon single crystal rod cutting surface angle detection device and a squaring machine. The squaring machine comprises the silicon single crystal rod cutting surface angledetection device, and the silicon single crystal rod cutting surface angle detection device comprises a measuring member, a vertical driving mechanism and a longitudinal driving mechanism; the vertical driving mechanism comprises a servo motor, a vertical screw, a connecting seat and a slide rail; the slide rail is vertically arranged at a clamping seat of a clamping mechanism; the connecting seatis provided with a slide block, the slide block is installed in the slide rail in a vertical slidable manner; the servo motor is arranged at the clamping seat of the clamping mechanism, and an outputshaft of the servo motor is vertically arranged; the vertical screw is coaxially connected with the output shaft of the servo motor, the connecting seat is provided with a vertical threaded hole, andthe vertical screw passes through the threaded hole of the connecting seat in a threaded transmission manner; the longitudinal driving mechanism is used for driving the measuring member to move; andthe measuring member is connected to the longitudinal driving mechanism and vertically protrudes upward relative to the connecting seat. The silicon single crystal rod cutting surface angle detectiondevice disclosed by the invention has the advantages of being able to detect whether a cutting surface of a silicon single crystal rod is horizontal.
Owner:福州天瑞线锯科技有限公司

A molding platform and a polar coordinate 3D printer having the molding platform

The invention belongs to the technical field of 3D printers, and discloses a forming platform and a polar-coordinate 3D printer with same. The platform comprises a supporting mechanism, a fixed panel,springs, a supporting panel, a transmission panel and a forming base plate. The forming base plate is connected to the transmission panel. The transmission panel is in sliding connection with the supporting panel. The surface of the transmission panel is connected to one end of a connecting rod. The other end of the connecting rod penetrates through the supporting panel and then extends into thesupporting mechanism. The fixed panel is arranged on the supporting mechanism in a sleeving manner. The two ends of each spring are connected to the fixed panel and the supporting panel respectively.The installation position, relative to the supporting mechanism, of the fixed panel is adjusted through the springs so as to enable the rotation central axis of the supporting panel to be parallel toa center shaft of a spray head, and then the surface of the forming base plate is enabled to be parallel to the motion panel of the spray head by adjusting studs. According to the forming platform andthe polar-coordinate 3D printer with same, the degree of adaptability between the spray head and the forming base plate is higher, and the structure is simple.
Owner:HUAZHONG UNIV OF SCI & TECH

A Method for Predicting Ballistic Deviation of Small Weapons Based on Laser Wind Measurement

The invention discloses a light-weapon trajectory deviation prediction method based on laser anemometry and relates to the technical field of light weapons. The method comprises the following steps that a shooting person is in place at the shooting point, and an observation person measures the distance between a target object and the shooting point; according to the measured distance, three or more measurement points are set, and analogy is conducted according to the sequence a, b, c and d, wherein the measurement point a is located at the target object, and other measurement points are located at the two sides of the measurement point a respectively; according to the measured distance, multiple measurement distances are set, and analogy is conducted according to the sequence S1, S2, S3 and S4, wherein the measurement distances are larger than or equal to 50 m. According to the method, by setting multiple measurement points and measurement distances, the laser emission direction is prevented from being vertical to horizontal wind, the measurement stability is improved, the laser measurement time is short, the change amount of the horizontal wind is small, the horizontal wind stateof all the distances on a light-weapon trajectory can be measured, and the method has the advantage of improving the shooting precision of light weapons.
Owner:合肥辰辉防务技术有限公司

A space cable suspension bridge main cable construction auxiliary device and main cable construction method

The invention discloses a spatial cable suspension bridge main cable construction assisting device. The spatial cable suspension bridge main cable construction assisting device comprises spatial cablefixing brackets and main cable strand wire temporary fixing devices, wherein a transverse support and two longitudinal supports are arranged on each spatial cable fixing bracket; the top ends of thelongitudinal supports are connected with the transverse support to form a trapezoid; the bottom ends of the longitudinal supports are connected with a main bridge steel box girder; the longitudinal supports are positioned on a spatial cable design plane of a main cable; the main cable strand wire temporary fixing devices are arranged at the upper parts of the two sides of the spatial cable fixingbrackets; each main cable strand wire temporary fixing device comprises an external sleeve, a plurality of locating cable clips and a connecting plate; a main cable strand wire penetrates through thelocating cable clips; the adjacent locating cable clips are spliced with each other within the same plane; the adjacent locating cable clips are connected with each other through connecting plates; the twisting of the main cable can be effectively prevented; the phenomena that the internal and external stresses are not balanced and the safety stock of the main cable is reduced due to the wire swelling phenomenon generated in the main cable mounting process are avoided; and the phenomenon that a spatial sling cannot enter a hole or is not perpendicular to the anchoring surface can be avoided.
Owner:XIAN MUNICIPAL ENG DESIGN & RES INST
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