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165results about How to "Quick adjustability" patented technology

Auxiliary light-weight integrated multi-freedom-degree lower limb exoskeleton

The invention discloses an auxiliary light-weight integrated multi-freedom-degree lower limb exoskeleton and relates to the field of bionic wearable exoskeleton robots. The auxiliary light-weight integrated multi-freedom-degree lower limb exoskeleton comprises a back mounting board, a waist connection part, a hip bionic structure, a hip joint, a thigh bionic structure, a knee joint, a crus bionic structure, an ankle joint and a foot bionic structure; the ankle joint is arranged at the edge of the upper surface of the foot bionic structure; the crus bionic structure is fixedly connected with the foot bionic structure; the thigh bionic structure is installed on the knee joint at the top of the crus bionic structure; the hip joint is fixedly installed at the upper end of the thigh bionic structure; the hip bionic structure is fixedly installed at the upper end of the hip joint; the waist connection part is fixedly connected with the hip bionic structure; and the back mounting board is vertically and fixedly connected with the waist connection part. Through integration of freedom of degrees of all joints, an active joint drive structure is added, the light-weight structure form enhances the man-machine safety and wearing comfort under the condition of meeting the load requirements, and the auxiliary effect of the exoskeleton is improved.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS

Telescopic positioning device and application thereof

The invention discloses a telescopic positioning device and application thereof and belongs to the technical field of telescopic connection. Engaging positioning or separation telescopic type connection is achieved through convex and concave engaging mechanisms which are evenly and continuously distributed; each convex and concave engaging mechanism comprises a convex tooth component and a groove component engaged with or disengaged from the convex tooth component; the engaging portion of each convex tooth component is provided with at least one partition groove in the cross section perpendicular to the relative displacement direction so that the two parts can stretch out and draw back and can be positioned; the convex and concave engaging mechanisms comprise the rotating engaging mechanism of non-complete round threads, the wedge expansion engaging mechanism and the rotating engaging mechanism of a non-circular cross section cam shaft; and the rotating engaging mechanism of the non-complete round threads can be applied to functional mechanisms of lifting and folding position restoration of bike seats or bike handlebars. The telescopic positioning device achieves the fast telescopic adjusting, locking and positioning through the threads or a pawl mechanism. Compared with a similar hydraulic or pneumatic mechanism, the telescopic positioning device is easy to manufacture, low in weight and reliable in performance, and cost is substantially reduced.
Owner:戚善鸣

Automatic three-dimensional refrigeration house and automatic storage and house temperature balancing and purifying method

The invention discloses an automatic three-dimensional refrigeration house which comprises a house body, an information recognition device, a refrigeration system, a stacking machine system and a computer control device. The computer control device is used for controlling the operation of the stacking machine system and the refrigeration system and achieving automatic storing and taking of goods and fast cooling of the interior of the house. The invention further discloses an automatic storage and house temperature balancing and purifying method of the automatic three-dimensional refrigeration house. The method includes the steps that goods space coded orders in one-to-one correspondence with the operation time of a stacking machine of standard cargo spaces in the house body are set in advance, the information recognition device is used for recognizing the identity information of goods, the goods space coded orders for goods storing and taking are sent out according to a set storage rule, the stacking machine is controlled to operate, and automatic storing and taking of the goods are achieved; dynamic balancing adjusting of the temperature in the house and air purifying in the house are achieved according to the set temperature control program. Labor is saved, more importantly, the goods storage quality is good, and the extremely high commercial value is achieved.
Owner:李勋田

Double-station three-dimensional intelligent glue dispenser

The invention discloses a double-station three-dimensional intelligent glue dispenser. The double-station three-dimensional intelligent glue dispenser comprises a base, a portal frame, a glue dispensing mechanism and a CCD positioning mechanism. Two Y-axis transmission mechanisms which are arranged side by side and extend in the horizontal Y axis are mounted on the base. The Y-axis transmission mechanisms are provided with carriers used for carrying workpieces to be subjected to glue dispensing. The portal frame stretches across the two Y-axis transmission mechanisms and is fixed to the base. The portal frame is provided with an X-axis transmission mechanism. A Z-axis transmission mechanism is arranged on the X-axis transmission mechanism. The glue dispensing mechanism and the CCD positioning mechanism are mounted on the Z-axis transmission mechanism. According to the technical scheme, the double-station three-dimensional intelligent glue dispenser is compact in structure, reasonable in design and capable of being carried and moved conveniently, crossing type glue dispensing operation is achieved through the two Y-axis transmission mechanisms, the interval time between two adjacent glue dispensing procedures is shortened, the glue dispensing efficiency is greatly improved, and lots of time cost is reduced; and the glue dispensing mechanism can complete the glue dispensing procedure of the workpieces at a time through the three-axis transmission mechanisms, the glue dispensing efficiency is high, and time of the one-time glue dispensing procedure is greatly shortened.
Owner:深圳市帝冠科讯科技有限公司

Micro-grid analogue simulation system based on real-time digital simulation platform

The invention discloses a micro-grid analogue simulation system based on a real-time digital simulation platform. The micro-grid analogue simulation system comprises a real-time digital simulator and a micro-grid device. The real-time digital simulator comprises a hardware interface and a software system. The hardware interface comprises an input interface card and an output interface card. A micro-grid system model is set up in the software system and comprises a micro-grid power distribution network model and a distributed type power micro-grid device primary system model. The micro-grid device comprises a micro-grid central control unit, a photovoltaic power generation controller, an energy storage device controller and a protection device controller, wherein the photovoltaic power generation controller, the energy storage device controller and the protection device controller are connected with the micro-grid central control unit respectively. The micro-grid analogue simulation system can simulate the practical running condition of a power grid, the strategy of controlling and protecting the whole micro-grid device can be conveniently and rapidly verified and adjusted, the micro-grid analogue simulation system is economical and practical, and the test result is ensured.
Owner:SHANGHAI ELECTRICGROUP CORP

Method for evaluating car matching quality through virtual assembling

ActiveCN103440388AAnalysis and evaluation of normal matching quality measurementQuick adjustabilitySpecial data processing applicationsSimulationOptimal matching
The invention discloses a method for evaluating car matching quality through virtual assembling. The method mainly comprises a part scanning step, a virtual assembling step, a gap and flatness analyzing step and an adjusting and optimizing step, and comprises the following specific steps: after scanning parts and carrying out virtual assembling, taking a theoretical car body as the reference, analyzing flatness and gaps of each part of the virtually assembled car body according to the theoretical gap and flatness requirements, making a part measurement report and a flatness and gap measurement report of n assembly, providing candidate virtual assembly schemes for solving the problem by adjusting different assembly positions of parts, and selecting an optimal virtual assembling scheme from the candidate virtual assembling schemes so as to achieve the optimal matching quality. According to the method disclosed by the invention, the normal measurement, analysis and evaluation of the matching quality can be realized; the rapid adjustment and the evaluation of multiple schemes can also be realized; furthermore, important characteristic lines and small rounded corners can also be evaluated; in addition, the method has the advantages of being short in implementation period and low in cost.
Owner:SAIC VOLKSWAGEN AUTOMOTIVE CO LTD

Verticality control device for slip-form construction of high bridge pier and using method thereof

The invention discloses a verticality control device for slip-form construction of a high bridge pier. The device comprises a template truss installed on the high bridge pier and in the shape of a cuboid, four horizontal pipes, two dividing rulers, four laser emitters, and four laser reception areas. The horizontal pipes correspond to each top side of the template truss one by one and arranged on all top sides of the template truss. The two dividing rulers are arranged on a pair of side surfaces of the template truss. Each dividing ruler is provided with two laser emitters. The four laser reception areas are arranged on a support table and correspond to the laser emitters one by one and are used for receiving corresponding lasers emitted by the laser emitters. The verticality control device for slip-form construction of the high bridge pier has following beneficial effects: by controlling positioning in horizontal and vertical directions, measurement and examination of a template during slip-form construction is replaced; horizontal adjustments and vertical positioning can be carried out easily and rapidly to ensure perpendicularity of the high bridge pier; at the same time, perpendicularity of the high bridge pier can be reexamined at any time; and timeliness is obtained.
Owner:NANCHANG RAILWAY ENG CO LTD OF CHINA RAILWAY 24TH BUREAU GRP CO LTD +1

Flexible rapid adjustment type vacuum suction cup suitable for energetic material machining

The invention provides a flexible rapid adjustment type vacuum suction cup capable of rapidly adapting to vacuum tight absorption and reliable clamping of workpieces of different sizes and suitable for energetic material machining. The vacuum suction cup comprises an absorption part and a positioning part which are connected; a center air guide hole is formed in the center of the surface of the absorption part, multiple round grooves are formed in the surface of the absorption part, the multiple round grooves are concentrically arranged with the center air guide hole as the round center, the upper portions of the multiple round grooves are located on the same horizontal plane, multiple thread through holes communicated with the center air guide holes are formed in the side wall of the absorption part, a set screw is arranged at the end, away from the center air guide hole, of each thread through hole in the thread through holes, ventilation holes the same with the round grooves in number are formed above each thread through hole in the multiple thread through holes in a communication manner, each ventilation hole is formed in the bottom of the corresponding round groove in a one-to-one correspondence manner, and a pipe joint communicated with the center air guide hole is formed on the side wall of the positioning part.
Owner:INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS

Offshore platform hydraulic self-lifting device

The invention discloses an offshore platform hydraulic self-lifting device which comprises an upper support, a lower support, a sleeve assembly, a body, support body and a hydraulic system. The sleeve assembly comprises a sleeve. A plurality rows of circular holes are axially formed on the wall of the sleeve. Each row of circular holes comprises two symmetrical circular holes. At least two keyways are axially formed on the inner wall of the sleeve. The top of the sleeve is connected with the upper support. The body comprises a base pipe nested into a cavity of the sleeve. At least two guide grooves are formed on the outer wall of the base pipe. Wire guide grooves matched with the keyways can slide along the guide grooves. The bottom of the base pipe is connected with the lower support. The support body comprises a base block disposed on the upper portion of the base pipe and two support pins. The base blocks disposed in a cavity of the base pipe is connected with the base pipe. The support pins are connected with the base blocks. The pin bodies of the support pin penetrate the base pipe to be matched with the circular holes of the sleeve. The hydraulic system comprises at least two symmetric hydraulic cylinders which are connected to a main oil pump through multi-path reversing valves. The bottom of each hydraulic cylinder is connected with the lower support, and the top thereof is connected with the upper support.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Grid-connected control system and method for miniature internal combustion engine generator sets

The invention discloses a grid-connected control system and method for miniature internal combustion engine generator sets. The system comprises a grid-connected controller and a rotation speed regulator ASR, wherein the grid-connected controller is used for carrying out processing of a grid-connected synchronous control algorithm, carrying out processing of an optimum control algorithm after gridconnection, sending a regulation signal obtained via the processing to a voltage regulator AVR and the rotation speed regulator ASR, detecting and comparing whether frequencies, voltage values and voltage phases of a generator set and a mains supply are the same tor not, controlling a grid-connected switch and sending a grid-connected operation signal to the rotation speed regulator ASR; and therotation speed regulator ASR is used for carrying out processing of a traditional rotation speed PID control algorithm on the regulation signal obtained by the grid-connected controller via the processing and the acquired generator rotation speed before grid connection, carrying out processing of a variable gain control algorithm after the grid connection, and using the result obtained via the processing to control a throttle percentage. The system and method are capable of solving the problem that no controllers are designed for switching between grid connection and grid separation in the prior art, and solving the defect that the electric power waves are easy to fluctuate after grid connection.
Owner:SHANDONG UNIV

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

Supporting device for building construction

The invention discloses a supporting device for building construction, and relates to the technical field of building construction. A plurality of damping support pillars are installed at the upper end of a support frame, shock rings are arranged between the multiple damping support pillars, and a mounting plate is mounted at the upper ends of the multiple damping support pillars; adjustment extending and decreasing machines are installed on the two sides of the upper surface of the mounting plate, connectors are installed on adjustment levers of the adjustment extending and decreasing machines, and screws are installed at the upper ends of the connectors; adjustment threaded sleeves are connected with the screws, an upper supporting plate is installed at the upper ends of the adjustment threaded sleeves, and a guide pillar is connected with the middle of the bottom of the upper supporting plate; the guide pillar is connected in a guide sleeve in a penetrating mode, the guide sleeve is installed on a connecting plate, and the two ends of the connecting plate are connected with shells of the two adjustment extending and decreasing machines correspondingly; and the two ends of the upper supporting plate are connected with cross-under plates in a penetrating mode, and limiting plates are installed at the tail ends of the cross-under plates. According to the supporting device for building construction, rapid supporting and adjustment are convenient to achieve, the service life can be prolonged, the operation is simple, the efficiency is high, and the time is saved.
Owner:JINLING INST OF TECH

Antenna rotation base and antenna thereof

The invention discloses an antenna rotation base. The antenna rotation base comprises a bottom plate, wherein a first box body is arranged on an upper surface of the bottom plate, a programmable logic controller (PLC) is fixedly arranged on an outer side wall of the first box body, a solenoid valve is fixedly arranged on a hydraulic cylinder and is electrically connected with the PLC via a wire, a servo motor and a rotation shaft are arranged in an inner cavity of a second box body, the servo motor is electrically connected with the PLC via a wire and is in transfer connection with the rotation shaft via a transmission device, and a top end of the rotation shaft penetrates through a top plate of the second box body and is fixedly connected with a center of an installation rotary disc. The invention also discloses an antenna, and the antenna comprises the antenna rotation base. The antenna rotation base and the antenna thereof are simple in structural design and are convenient to use, the antenna can be driven to rotate by the antenna rotation base, the height of the antenna can be adjusted, and the optimal receiving surface of the antenna can be rapidly found out or the antenna can be rapidly adjusted to the optimal receiving surface by combination of the antenna and the antenna rotation base.
Owner:海南同诺文化科技有限公司

Modular microfluidic chip clamp based on magnetic link

The invention discloses a modular microfluidic chip clamp based on magnetic link. The modular microfluidic chip clamp includes: a base plate, a thickness adjustment module, a positioning module and acover plate. By embedding a permanent magnet material to the base plate and the cover plate, the connection of all parts can be realized by relying on magnetic force, by setting positioning holes at four corners of the above components, the installation precision is guaranteed by guide pillars. Two rectangular grooves are symmetrically arranged on the base plate for chip insertion and installation, and by machining positioning scale in the grooves and machining positioning holes on the positioning module, the connection precision can be ensured during magnetic joint insertion. By replacing anadjustment plate, installation of chips with different thicknesses can be realized. The grooves and bosses are disposed on both sides of the base plate respectively to guarantee the positioning of multiple clamp connection, the embedded permanent magnet material is exposed at the bottoms of the grooves, and the clamp is linked to the magnetic force of the permanent magnet material through the metal base plate. The device has the characteristics of simple structure, easy adjustment, disassembly and assembly, and convenient use.
Owner:BEIJING UNIV OF CHEM TECH
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