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13567results about How to "Optimize layout" patented technology

Fracturing conveying ground manifold system

The invention discloses a fracturing conveying ground manifold system. The fracturing conveying ground manifold system comprises a fracturing tree, a high-low pressure manifold device, a high-pressureflange conveying pipeline, a ground fracturing control manifold device, an offset flange mechanism and a corner pipeline, wherein the high-low pressure manifold device is linearly connected with theground fracturing control manifold device through the high-pressure flange conveying pipeline; the ground fracturing control manifold device is connected with the fracturing tree through the offset flange mechanism and the corner pipeline; and the offset flange mechanism and the corner pipeline can realize adjustment of different heights and directions between the ground fracturing control manifold device and the fracturing tree. The fracturing conveying ground manifold system has the advantages that the whole manifold system is large in displacement, simple in structure, simple in layout, fewin pipelines, few in joints, linear in conveying, relatively low in kinetic energy loss and capable of being separated from the ground, effectively prolonging the service life of the manifold, realizing multi-wellhead zipper type operation and improving the operation efficiency of a fracturing well factory.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Electric drive fracturing semi-trailer of frequency conversion integrated machine

The invention discloses an electric drive fracturing semi-trailer of a frequency conversion integrated machine. The optimization and integration of the traditional power supply semi-trailer and the fracturing semi-trailer realize the functions of power supply and fracturing of one semi-trailer without using the complete set of the power supply semi-trailer and the fracturing semi-trailer, the electric drive fracturing semi-trailer is more flexible in actual use, and the well field layout of oil and gas fields is greatly optimized; the transportation is convenient; only a set of high-voltage cables can be connected with the high-voltage power supply to reach a working state, and the wiring installation is faster; compared with diesel-driven fracturing, and the noise of the electric drive fracturing is low without exhaust emission pollution; the driving source is power, which has lower cost than the diesel; the electric drive fracturing semi-trailer adopts an integrated design of a motorand a frequency converter (namely, the frequency conversion integrated machine), the space occupied by the electric motor and the inverter in the prior art is reduced effectively, so the installing part of the electric drive fracturing semi-trailer has smaller volume and the transportation is more convenient, and can also provide space guarantee for installing other equipment on the semi-trailerbody.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Five-cylinder plunger pump with integral power end structure

The invention discloses a five-cylinder plunger pump with an integral power end structure. According to the five-cylinder plunger pump, an integral welding structure is adopted for a crankshaft box body and a crosshead box body in a five-cylinder plunger pump power end assembly, so that the structural strength of the power end assembly is higher, the supporting stability is better, and the whole pump vibration can be reduced; the cylinder spacing is 13-14 inches, the bearing area of connecting rods, crossheads and bearing bushes is increased, a guarantee is provided for the output of the high-power of the five-cylinder plunger pump, the high-power five-cylinder plunger pump can effectively solve the problem that the shale gas fracturing well site area is narrow and the required fracturingequipment is relatively large, the use of equipment can be reduced, and the wellsite arrangement is facilitated; the 11-inches long-stroke design can better realize large-displacement operation requirements and improve the operation efficiency; and according to the multi-point supporting design of crankcase bodies, crosshead box bodies and the hydraulic end assembly, the supporting strength of thefive-cylinder plunger pump can be improved, the vibration is reduced, the high-load operation is better guaranteed, and the operation is more stable.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Double-motor controller with electronic differential function

The invention discloses a double-motor controller with an electronic differential function. The double-motor controller comprises a main control chip integrated with an electronic differential module, two groups of drive motor control chips, two groups of rotary transformer decoding chips, two groups of power drive modules for controlling a motor to operate, a capacitor bank, an angle decoding and conditioning circuit, two permanent magnet motors with built-in rotary transformers, and an active force battery pack, wherein the main control chip is used for processing a received signal; and a left drive wheel control signal and a right drive wheel control signal are transmitted into the drive motor control chips corresponding to wheels respectively through the operation of an electronic differential operation module. The drive motor control chips receive information of position values, speed values and the like of the drive motor returned by corresponding rotary transformer decoding chips; information provided by the main control chip is combined so as to be processed comprehensively; and a waveform is output to a corresponding power drive module so as to operate the wheels through the drive motor. The double-motor controller with the electronic differential function has the advantages of high drive efficiency, small volume, convenience in arrangement and installation, and capability of active differential.
Owner:CHENGDU LAINTEM MOTORS CONTROL TECH

Automatic vehicle-mounted mobile power charging and exchanging station for electric vehicle and method for quickly exchanging battery

The invention discloses an automatic vehicle-mounted mobile power charging and exchanging station for an electric vehicle and a method for quickly exchanging a battery. The automatic vehicle-mounted mobile power charging and exchanging station comprises a tractor, a semitrailer and a battery box storage rack, a battery box, an automatic power exchanging device, a charging system, an electric quantity counting system, an automatic control unit and the like which are arranged on the semitrailer, wherein the storage rack can store a plurality of battery boxes three-dimensionally; the battery boxes are standard exchanging modules connected with a battery house on the lower part of a vehicle body by using a plurality of quick-opening locking bolts; the automatic power exchanging device comprises a lifting table, a transmigration machine, a shifting machine and a plurality of unlocking / locking bushings; the automatic power exchanging device can automatically transport and store the battery boxes, and lock or unlock the battery boxes and the battery house due to mutual matching of the lifting table, the unlocking / locking bushings and the quick-opening locking bolts, so automatic dismantling and exchange of the battery boxes can be realized; and the charging system is used for automatically charging the battery boxes. The station is complete in system, compact in structure, flexible in maneuvering, low in investment and short in construction period, so the automatic power charging / exchanging requirement of the battery of the electric vehicle can be met.
Owner:柳崇禧 +1

Coal-rock interface identifying method and system based on image

The invention discloses a coal-rock interface identifying method and system based on an image. The method comprises the following steps of: acquiring multiple color images of coal and rock on a coal mining working face; extracting a vector based on an image characteristic serving as a sample characteristic vector specific to each color image to obtain a known sample set of coal and rock; and establishing a coal-rock classifier model by adopting a Fisher linear judging method and taking the known sample set of the coal and rock as a training sample set. In the working process of a coal mining machine, a color image of the coal and rock which is cut by using a drum is acquired in real time, and the extracted characteristic vector is input into the coal-rock classifier model to identify a coal-rock type. The system consists of a light source module, an imaging module, a processing module and an anti-explosion shell. The coal-rock interface identifying method and the system provided by the invention have the characteristics of simple structure, easiness for distributing, high suitability and the like, the coal-rock type cut by using the drum can be automatically identified in real time, and reliable coal-rock interface information is provided for automatic heightening of the drum of the coal mining machine.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Building fire intelligent rescue system and method based on ubiquitous network

The invention discloses a building fire intelligent rescue system based on a ubiquitous network. The system comprises a fire monitoring network, a handheld terminal, a monitoring center computer and a fire fighting command terminal, wherein the fire monitoring network consists of a plurality of convergence sub-networks and is connected with the monitoring center computer through wireless convergence nodes of the convergence sub-networks and a 3rd generation (3G) network; each convergence sub-network is a wireless sensor network which is provided with a main-chain-type topology structure consisting of wireless sensor nodes, namely fire monitoring nodes; and the handheld terminal comprises a query handheld terminal and a rescue handheld terminal, reads the label data of radio frequency identification (RFID) data of neighboring fire monitoring nodes of the handheld terminal by an internal RFID card reader and an RFID reading link which are arranged in the hand-held terminal, and exchanges data with the monitoring center computer through the 3G network. The system has the advantages of convenience in arrangement and high real-time capability; and the system can effectively assist firetrapped personnel in escaping and fire rescue personnel in making a rescue scheme; and intelligent guide is provided for the fire trapped personnel and the fire rescue personnel under the emergency condition of fire, and lives and property can be effectively rescued.
Owner:BOHAI UNIV

Emergency medical rescue wireless mobile information management method and platform

The invention discloses an emergency medical rescue wireless mobile information management method and a platform, and the central content of the method is built on the basis of a regional monitoring information wireless network management system in a wide area. The invention comprises a handheld PDA device, a mobile monitoring information management system and an emergency rescue dispatching information management system, wherein, the handheld PDA device is used for rapidly inputting and transmitting the basic conditions and illness information of patients on the incidence scene; the mobile monitoring information management system belonging to the mobile ambulance onboard part is in charge of the acquisition and transmission of the monitoring information, the basic information of patients and treatment and rescue information, voice and video instant messaging, GPS location and real-time traffic enquiries; and the emergency rescue dispatching information management system arranged in the emergency rescue dispatching management center in fixed places is in charge of dispatching management and real-time monitoring of the comprehensive information. In the invention, the information of the emergency rescue process is digitalized; the rescue medical information of patients from different regions such as the incidence site, transport process, reception hospital, rescue in hospital, dispatch and control and the like can be shared in real time and synchronously, thus building a new rescue mode in which the information runs first with the non-arrival of patients.
Owner:PEOPLES HOSPITAL PEKING UNIV +1

Energy dissipation type buckling constraint support with symmetrical initial imperfection unit at end

The invention discloses an energy dissipation type buckling constraint support with a symmetrical initial imperfection unit at the end. The energy dissipation type buckling constraint support is characterized in that the support is composed of an end constraint segment, an energy dissipation segment and a support straight segment; and the two ends are connected with beams or column components or nodes to form a whole through bolt connection so as to achieve the purpose of improving of the resistant-lateral rigidity of components. The energy dissipation type buckling constraint support with the symmetrical initial imperfection unit at the end is adopted, and thus under the action of a small earthquake, the buckling constraint support keeps elasticity; and under the action of a medium earthquake or a severe earthquake, the buckling constraint support enters a yield stage, and the effect of a damper can further be achieved through the good hysteretic energy dissipation performance of the buckling constraint support. Compared with traditional buckling constraint supports, according to a manufacturing technology of the energy dissipation type buckling constraint support, the processes of adding a sleeve outside a core energy dissipation component, grouting and the like in the traditional manufacturing process are avoided in the manufacturing technology, so that manufacturing is convenient. The energy dissipation type buckling constraint support can be prefabricated and formed in a factory, the quality of the components is ensured, the workload of site operation is reduced, and energy conservation and environment protection are achieved.
Owner:SOUTHEAST UNIV

Automatic speed change mechanism for dual-motor clutch-free blade electric vehicle

The invention discloses an automatic speed change mechanism for a dual-motor clutch-free blade electric vehicle. The automatic speed change mechanism comprises a first input shaft, a second input shaft and an output shaft which are arranged in parallel. A first-gear driving gear, a first synchronizer and a third-gear driving gear are arranged on the first input shaft. A second-gear driving gear, a second synchronizer and a fourth-gear driving gear are arranged on the second input shaft. A first-gear driven gear meshed with the first-gear driving gear, a second-gear driven gear meshed with the second-gear driving gear, a third-gear driven gear meshed with the third-gear driving gear and a fourth-gear driven gear meshed with the fourth-gear driving gear are arranged on the output shaft. The automatic speed change mechanism removes a clutch, the structure of the whole mechanism is simplified, and the manufacturing cost is low. By means of dual-motor driving and controlling the synchronizers and driving motors to achieve gear shifting without power failure, the power switching smoothness is good. When any driving motor breaks down, the other driving motor can work continuously to drive the vehicle to run. Thus, the system reliability is high.
Owner:CHONGQING UNIV
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