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2328results about How to "Avoid accidental injury" patented technology

Solvent-free composite machine

The invention aims to provide a novel high-safety and high-production-efficiency solvent-free compound machine with good finished product quality, which comprises a frame, a coating mechanism, a recombination mechanism, a winding mechanism, a first unwinding mechanism, a second unwinding mechanism, a power mechanism, a wallboard, a machine head, a waste gas recycling part, a cooling steel sword, a transition steel sword group, a swing tension steel sword group and a control box; the clearance and pressure between various steel swords of the coating mechanism can be independently adjusted and a novel structure in which centers of separate steel swords are in the same horizontal line is applied to the compound mechanism; in the winding mechanism, the winding pressure is kept constant during the winding in any diameter and a novel mechanism which pneumatically controls an observation window is applied to the observation window; a novel humanized control panel mechanism with reasonable operation panel structure which can adjust the lighting direction is applied to the control box, thus ensuring the efficiency, quality and safety of the production. Furthermore, the compound machine can be more conveniently operated, has more reasonable structure and more pleasant shape compared with the original equipment.
Owner:SINOMECH CORP

Fully-automatic optical element cleaning device with ultrasonic-megasonic composite frequency

The invention discloses a fully-automatic optical element cleaning device with an ultrasonic-megasonic composite frequency. The ultrasonic-megasonic composite frequency covers low/intermediate/high ultrasonic frequencies and low/intermediate/high megasonic frequencies. Particularly, an appropriate program and process parameters are selected to aim at super-clean washing requirements for an optical element, and pollutants from a micron scale to a nanometer scale on the surface of the optical element can be effectively removed. The fully-automatic optical element cleaning device with the ultrasonic-megasonic composite frequency has the main characteristics that an ultrasonic solution soaking cleaning tank, a megasonic cleaning tank and a spraying tank are designed; different frequency ultrasonic and megasonic waves are adopted, and cleaning requirements from a micron size to a nanometer size are covered; a workpiece is driven by a cylinder to reciprocate up and down in a tank body, a wave node of a standing wave field is prevented from being generated in a fixed area of the surface of the workpiece by virtue of a frequency sweeping function of an ultrasonic-megasonic generator, and the surface damage is avoided; the tank body adopts overflow cycle heating filtration; the total length of an overflow front edge is increased by using a trapezoidal saw-tooth type overflow edge design to obtain uniform and stable overflow; an inclined workpiece clamping device cooperates with an air knife and a slow lifting mechanism to dry the workpiece.
Owner:TONGJI UNIV +1

External skeleton assisted rehabilitation therapy system

ActiveCN103340707ARealize pose controlAchieve the effect of rehabilitation treatmentChiropractic devicesInvalid friendly devicesBone structuresAlloy
The invention provides an external skeleton assisted rehabilitation therapy system. The system comprises a base plate, a partition plate, a thin-diameter alloy wire, a tail-end execution continuous body mechanism and a driving portion, wherein the tail-end execution continuous body mechanism is composed of a tail end piece, and the driving portion is used for driving the tail-end execution continuous body mechanism to move. The driving portion comprises a transmission mechanism and a driving continuous body mechanism. The driving continuous body mechanism comprises a lower-end installation plate, a thick-diameter alloy wire, an inner-layer partition plate, an outer-layer partition plate and tail-end clamping discs. One end of the thin-diameter alloy wire and one end of the thick-diameter alloy wire are fixed on the same tail-end clamping disc. The other end of the thin-diameter alloy wire is fixed on the tail end piece and can freely slide in the base plate and the partition plate, therefore, the thick-diameter alloy wire is pushed or pulled, and when the driving continuous body mechanism bends, the tail-end execution continuous body mechanism correspondingly bends. According to the external skeleton assisted rehabilitation therapy system, accidental injuries to patients can be prevented, meanwhile, the muscle-bone structures of different users can be self adapted, and the adjustment of hardware due to changing of the users is reduced as far as possible.
Owner:SHANGHAI JIAO TONG UNIV

Monitoring device for monitoring river-bed scouring depth, remote automatic monitoring system and bridge

The invention relates to a monitoring device used for monitoring the scouring depth of a river bed, and an automatic remote monitoring system as well as a bridge. The monitoring device used for monitoring the scouring depth of the fundamental river bed of the bridge comprises at least one gravity measuring rod, one end of which is held and connected on the river bed and the other end thereof extends to the vertical direction; at least one protective cased pipe, wherein, the center thereof is used for the penetration of the gravity measuring rod and allows the vertical sliding of the rod; at least one sliding bush with one end provided with a guiding part loosely sheathed outside the cased pipe and the other end thereof fixed on the pier of the bridge and used for maintaining the vertical sliding of the cased pipe and gravity measuring rod. In this way, when the river bed sinks owning to the scouring, the gravity measuring rod and the protective cased pipe also sink accordingly, scouring data is obtained by level slippage, furthermore, an alarm is given and the traffic is controlled to avoid the occurrence of accidents. The invention simultaneously discloses a remote monitoring system and a bridge with the function of automatic monitoring.
Owner:陈明正 +1

Dry ice cleaning system for electrical apparatus external insulation

The invention discloses a external-insulation dry-ice cleaning system for electrical equipment, which belongs to the technical field of the external-insulation dirt removal of electrical equipment of an electrical system. The external-insulation dry-ice cleaning system adopts the structure that a dry-ice particle spray nozzle (1), an insulating adjustable bracket (2), a dry-ice transmission insulating pipe (3), a dry-ice cleaning device (5), an air compressor (6) and an air dryer (7) are sequentially connected with each other front and back, wherein the dry-ice particle spray nozzle (1), the insulating adjustable bracket (2), an insulating bracket regulating lever pipe (4) and a bracket regulating power device (8) are sequentially connected with each other from front and back, a dry-ice making granulating machine (10) is connected with a liquid carbon dioxide storage tank (11), a dry-ice insulation can (12) is independent equipment, and an earthing base (9) is taken as a safe earthing pedestal of the external-insulation dry-ice cleaning system. The invention has high dirt removing efficiency, is suitable for the on-line cleaning of an insulating sleeve and an insulating mainstay or an erected transmission line insulator inside a transformer station, and is an effective measure for safely generating the electricity and ensuring the electricity supply.
Owner:WUHAN UNIV

Oil field well workover operation machine

The invention relates to an oil field operation device, in particular to an oil field workover treatment machine. The machine body is arranged on a hydraulic load-bearing traveling gear and is interlocked with the hydraulic load-bearing traveling gear. Hydraulic tongs connected with a telescopic bracket on the machine body can be extended out and retracted with the telescopic bracket. A clip seat is positioned below the hydraulic tongs and is arranged on a well head. An elevator which is suspended onto the machine body can reciprocate up and down. A faucet is positioned above the machine body and the clip seat; a pipe throwing device is arranged on the faucet and the machine body; and a clip unlocking device and a clip locking device corresponding to the elevator are arranged on the clip seat and the pipe throwing device respectively. A righting mechanism and a valve mechanism are further arranged on the faucet. A control cabinet is arranged on the machine body; and the clip seat, the hydraulic tongs, the elevator and the pipe throwing device are connected with a control system in the control cabinet respectively. The oil field workover treatment machine can be assembled and disassembled conveniently and rapidly, thereby not only facilitating transportation, but also changing the positions to meet the requirements of different work. Simultaneously the machine can be laid freely at a well field according to the practical conditions.
Owner:LIAOHE GASOLINEEUM EXPLORATION BUREAU +1

Rear left-side type ditcher

The invention discloses a rear left-side type ditcher. The rear left-side type ditcher comprises an L-shaped machine frame and a vertical column, wherein the L-shaped machine frame is connected to a hooking frame at the rear portion of a tractor; the machine frame is provided with a gearbox located on the left side of the rear portion of the tractor; an output spline shaft of the gearbox is driven by a power mechanism of the tractor; the spline shaft is provided with a roller cutterhead; a plurality of blades are evenly distributed on the periphery of the roller cutterhead; the vertical column capable of being adjusted vertically is arranged on and connected to the machine frame; a straightening board shaft is fixedly arranged on the side portion of the vertical column in parallel; a horizontal bottom board is fixedly arranged at the bottom of the vertical column; the front end of a straightening board is hinged to the straightening board shaft; an adjusting bolt for limiting the rotation of the straightening board is connected between the bottom board and the straightening board. The rear left-side type ditcher improves the safety, prevents soil from being sucked into an air inlet of an engine and can ditch on the ridge edge, and as the machine frame is provided with a straightening device, the tractor is prevented from deviating according to the mechanics principle scientifically.
Owner:田开林

Device for intracavity in-situ fenestration and puncture

The invention discloses a device for intracavity in-situ fenestration and puncture. The device comprises a balloon catheter and a puncture needle assembly, wherein the balloon catheter is internally and coaxially sleeved with the puncture needle assembly. The balloon catheter comprises a balloon push rod with at least two cavities, a balloon body and a balloon catheter base, wherein the balloon body is mounted at the distal end of the balloon push rod, and the balloon catheter base is mounted at the proximal end of the balloon push rod. The puncture needle assembly comprises a puncture push rod, a puncture needle and a puncture handle, wherein the puncture needle is mounted at the distal end of the puncture push rod. The puncture handle comprises a proximal handle and a distal handle, wherein the distal handle is fixedly or removably fixedly connected to the balloon catheter base; the proximal handle is connected to the puncture push rod and disposed in the direction of the distal handle. A puncture control structure is disposed between the distal and proximal handles, and used for controlling puncture depth of the puncture needle and locking the puncture needle. The device for intracavity in-situ fenestration and puncture is capable of precisely controlling the puncture depth, adjusting the puncture depth, locking the puncture needle, and precisely puncturing and maintaining puncture sites at the center of branch blood vessels.
Owner:HANGZHOU WEIQIANG MEDICAL TECH CO LTD

Hydraulic pliers

The invention relates to an oil field well workover treatment tool, in particular to hydraulic tongs capable of realizing the automatic loading/unloading of an oil pipe and a sucker rod. The hydraulic tongs comprise main tongs, back tongs, a high-low-speed gear shift mechanism and a connecting support. The back tongs are arranged on the connecting support; the main tongs are positioned above the back tongs and are connected with the back tongs through a guide bar; and the main tongs can reciprocate up and down along the guide bar. The high-low-speed gear shift mechanism is arranged on the main tongs; the output end of the high-low-speed gear shift mechanism is connected with a gear shift device inside the main tongs; and the high-low-speed gear shift mechanism is also connected with a hydraulic control module. The hydraulic tongs are connected with a hydraulic tongs telescopic bracket of the machine body of the well workover machine through the connecting support. The hydraulic tongs are driven by the telescopic bracket to realize automatic telescoping, thereby freeing operators from a dangerous operating environment. Automatic operation is realized for the loading/unloading of the hydraulic tongs, thereby not only reducing the labor intensity of workers, but also avoiding possible accidental injury of workers during the operation.
Owner:LIAOHE GASOLINEEUM EXPLORATION BUREAU +1
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