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112results about How to "Safe and fast operation" patented technology

Rough-terrain wheeled crane

The utility model discloses a rough-terrain wheeled crane of which all actions are driven in a full-hydraulic manner, and the rough-terrain wheeled crane can realize stepless speed change and has stable speed according to different work conditions, has the advantages of small impact, simple chassis arrangement, light complete vehicle weight, and is portable, safe and reliable in operation. The rough-terrain wheeled crane is provided with an electrohydraulic control system, a driving device and a steering device which are used for realizing fast switch among a plurality of driving modes and steering modes, thereby achieving small turning radius, fully exerting the power performances of an engine, improving the fuel oil economy and saving energy resources. The rough-terrain wheeled crane has a special underframe of an integral box type closed structure and is separately and rigidly suspended, an arc-shaped crane arm and an X-shaped telescopic support leg ensure good cross-country performance, mechanical property and working condition adapting performance of the entire rough-terrain wheeled crane during running and operating. The rough-terrain wheeled crane is convenient to maintain, and especially suitable for small construction places such as airports, oil fields, ports, wharfs, storehouses and other building sites.
Owner:湖南中铁五新重工有限公司

Testing device and method for carbon fiber strand integrity

The invention provides a testing device and method for carbon fiber strand integrity. The testing device comprises a full-closed type testing box body, wherein a backing-off device, a filament guide button, a transmission roller mechanism and a winding device are sequentially arranged in the testing box body, the backing-off device can freely rotate, the filament guide button plays a role in limiting carbon fiber, the transmission roller mechanism plays a role in transmitting the carbon fiber, the winding device winds the carbon fiber, and the speed of the winding device can be controlled. The carbon fiber is led out of the backing-off device, sequentially penetrates through the filament guide button and the transmission roller mechanism, and is finally wound around the winding device, and the carbon fiber strand integrity is calculated according to the before-spreading width and the after-spreading width. The invention further relates to the testing method of the device, the carbon fiber strand integrity can be effectively tested, error caused by visual inspection or hand feelings of different testing personnel is avoided, the efficient testing device and method are provided for the evaluation and detection of the carbon fiber strand integrity, and the testing result can be more reliable.
Owner:HENGSHEN

Device for automatically cleaning along railway

The invention provides a device for automatically cleaning along the railway. The device for automatically cleaning along the railway comprises a machine body; the machine body comprises a snow storage cavity; a snow discharging mechanism used for moving accumulated snow on the railway out of a rail is included in the snow storage cavity; a conveying cavity is fixedly formed in the right side of the snow storage cavity; supporting plates which are symmetrically on the front and on the rear are fixedly arranged on the end wall of the right side of the conveying cavity; and a first rotating shaft is rotationally arranged between the supporting plates. According to the device for automatically cleaning along the railway, the accumulated snow on the railway is pushed to a conveying belt through a shovel blade, the conveying belt transports the accumulated snow into a treatment cavity, and the treatment cavity transports the accumulated snow to the external side of the rail without obstructing the normal use place of the railway; in the process, the working efficiency is high, higher integrated degree is realized, and meanwhile, the equipment melts one part of the accumulated snow for use, the melted accumulated snow and a snow melting agent are mixed to be sprayed to the railway to prevent the snow from being re-accumulated within a short time; the equipment has higher energy utilization rate; and meanwhile, the operation is simple, and the process is safe and rapid.
Owner:DONGGUAN YIWAN LAB PROTECTION APPLIES CO LTD

Current measurement device added with lengthened operating handle

The invention relates to the technical field of current measurement instruments, in particular to a current measurement device added with a lengthened operating handle. The current measurement devicecomprises a plier-type current meter and the telescopic operating handle, wherein the plier-type current meter is provided with a jaw button for opening a jaw of the plier-type current meter and a reading button for opening a reading locking key of the plier-type current meter. The plier-type current meter is connected to the top of the operating handle, and a movable handle is connected to the bottom of the operating handle. A transmission mechanism arranged in the operating handle is connected to a movable handle, the movable handle can downward pull the transmission mechanism to extrude thejaw button so as to open the jaw button or upward push the transmission mechanism to extrude the reading locking key so as to lock a reading of the plier-type current meter. When the current measurement device is used, an operator can achieve jaw button or reading button pressing by tightening or loosening the movable handle on the ground and does not need climbing rods for climbing a tower to approach wires and measure current, the current measurement device is safe and quick to operate and high in working efficiency, saves time and labor and can avoid electric shock and falling risk.
Owner:GUANGDONG POWER GRID CO LTD SHANTOU POWER SUPPLY BUREAU

Portable trace heavy metal ion concentration detecting pen

The invention relates to a heavy metal analysis detection device, particularly relates to a portable trace heavy metal ion concentration detecting pen, and aims to solve the problem that an existing detecting device is not suitable for field quick detection due to large size, expensive instrument, high operation cost, complicated detection steps and carrying inconvenience. The detecting pen comprises a hollow penholder, wherein an electrode assembly, a spring, a button and a stripping voltammetry-based detection circuit are arranged in the hollow penholder from bottom to top sequentially; the spring sleeves the electrode body of the electrode assembly, and the lower end of the spring is clamped on an annular spring bulge on the inner wall of the hollow penholder; the button is formed by an annulus body and a stirring handle fixed on the outer ring of the annulus body; the annulus body of the button is fixed at the upper end of the electrode body of the electrode assembly in a sleeving manner; and the stirring handle of the button extends out of an L-shaped hole in the hollow penholder. The portable trace heavy metal ion concentration detecting pen is small and portable, is quick and safe to operate, has the advantage of short detection time, high accuracy and high integrality, and is especially applicable to field detection.
Owner:TAIYUAN UNIV OF TECH

Nut crushing and vacuum packaging equipment

The invention discloses nut crushing and vacuum packaging equipment. The nut crushing and vacuum packaging equipment comprises a machine body; the machine body comprises a round cavity; a first rotating shaft extending front and back is rotatably arranged on the inner back end wall of the round cavity; a blade is fixed on the first rotating shaft; a shelling mechanism for enabling nuts to collidewith the wall body through high-speed rotation of the blade to break the nuts is arranged in the round cavity; the nut crushing and vacuum packaging equipment shells and separates nut food with shellsand then performs air pumping packaging, separates the shelled nut kernels and the waste shells in the shelling process, has high kinetic energy utilization rate, automatically putts the shelled nutkernels into a plastic basket according to the fixed weight after shelling is completed, is convenient to transport and treat, has a perfect function in the automatic flowing process of the plastic basket, is sensitive in reaction, and automatically performs air pumping and sealing in the packaging and sealing process, the process has high working efficiency and high integration degree, the packaged plastic basket is sent out, the equipment has high energy utilization rate and the equipment is simple in operation and rapid in process.
Owner:盛联达电子科技(扬州)有限公司

Recycling regeneration method and device for adsorbent for drying compressed air in power plant

The invention relates to a recycling regeneration method and device for adsorbent for drying compressed air in a power plant. The device includes an air compressor, a precooler, a dust and oil removalfilter, an adsorption tower, a steam-water separator, a microwave generator, a PLC and an air storage tank. The method comprises the following steps: ambient air is sucked into the air compressor, hot compressed air discharged from the air compressor is initially cooled by the precooler, the cooled compressed air enters the dust and oil removal filter, when adsorption work is performed in an adsorption tower A, and after flow of the compressed air is uniformly divided through a perforated plate and a large amount of water is removed by the adsorbent, the dehydrated material is sent to the gasstorage tank under the condition that the dew point is qualified; at the time, the regeneration process of an adsorption tower B is started, the microwave generator is started, radiation heating is performed on the adsorption tower B, and a large amount of water molecules that are rapidly desorbed is heated, evaporated, and dried; at the same time, the dried and clean finished-product gas continuously flows into the adsorption tower B for purge regeneration, so that the regeneration process is completed; and the adsorption tower A and the adsorption tower B take turns to work to continuouslyprovide dried and clean compressed air.
Owner:CENT CHINA BRANCH OF CHINA DATANG CORP SCI & TECH RES INST CO LTD

Gravity pressurization and automatic mechanical pressurization integrated grinding and polishing machine

The invention relates to a grinding and polishing machine, in particular to a gravity pressurization and automatic mechanical pressurization integrated grinding and polishing machine. The gravity pressurization and automatic mechanical pressurization integrated grinding and polishing machine comprises a pressure grinding and polishing head and a base machine body; the pressure grinding and polishing head is fixedly connected with the base machine body through an upright column (22); the pressure grinding and polishing head comprises a bottom supporting plate, an upper spindle transmission mechanism, a pressurization transmission mechanism, a specimen fixing mechanism and an upper part fixing seat (8); the base machine body comprises a bottom plate (26), a lower spindle transmission mechanism and a swing mechanism; the bottom supporting plate (1) is a substrate of the entire pressure grinding and polishing head, and others spare parts are fixed on the upper surface of the bottom supporting plate (1); a power supply box of a power motor (2) is fixed to the bottom supporting plate (1); a wiring harness of the power motor is connected with a PLC; the power motor (2) is mounted on the bottom supporting plate (1) through a power motor fixing plate (3); and a driving bevel gear (4) at the output end of the power motor is engaged to a driven bevel gear (5) at a 90-degree angle. The gravity pressurization and automatic mechanical pressurization integrated grinding and polishing machine is applicable to grinding and polishing of metal materials, inorganic non-metal materials, organic high polymer materials and composites.
Owner:SHENYANG CITY JINGTONG DIAMOND COMPOSITE MATERIALS
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