57results about How to "Simple installation and layout" patented technology

An exhaust valve assembly for a two stroke internal combustion engine having a cylinder with at least one main exhaust port and one auxiliary exhaust port is disclosed. The assembly comprises a main exhaust valve for at least partially closing the main exhaust port, an auxiliary exhaust valve for at least partially closing the auxiliary exhaust port, an actuator for actuating the main exhaust valve and the auxiliary exhaust valve, the actuator including a rotary shaft having a first gear and a second gear, the rotary shaft being operatively connected to the main exhaust valve via the first gear, the rotary shaft being operatively connected to the auxiliary exhaust valve via the second gear, an electric motor operatively connected to the rotary shaft for rotating the rotary shaft.

An exhaust valve assembly for a two stroke internal combustion engine having a cylinder with at least one main exhaust port and one auxiliary exhaust port is disclosed. The assembly comprises a main exhaust valve for at least partially closing the main exhaust port, an auxiliary exhaust valve for at least partially closing the auxiliary exhaust port, an actuator for actuating the main exhaust valve and the auxiliary exhaust valve, the actuator including a rotary shaft having a first gear and a second gear, the rotary shaft being operatively connected to the main exhaust valve via the first gear, the rotary shaft being operatively connected to the auxiliary exhaust valve via the second gear, an electric motor operatively connected to the rotary shaft for rotating the rotary shaft.

The invention relates to an experimental simulation researching device and experimental method of disasters induced by exploitation of undersea hydrate with compact overlying strata. The device comprises an atmosphere-deepwater-stratum natural environment visible simulation system, a natural gas hydrate injection-production simulation system, a temperature control system, a pressure control system, a data collection system, and an image collection system. The system has the advantages of being reasonable in design, complete in function and convenient to operate, by means of the method, effective simulation operation can be conducted on the disasters induced by the exploitation of the undersea hydrate with the compact overlying strata, real-time monitoring is conducted on related data in the simulation process through corresponding temperature, pressure and gas concentration sensors, and image collection is conducted on the simulation process by using photographing devices in the wholeprocess. The device and the method have a certain guiding meaning on safe and high-efficient exploitation of undersea natural gas hydrate and therefore have a significant meaning on the recognition and researching of a triggering mechanism of caused geological environmental disasters, and the device and the method have extensive popularization and application prospects.

The invention discloses an orthopedics department deformity correction and bone fracture reduction fixing device and a processing method of the fixing device. The fixing device comprises an outer fixing frame or an outer fixing plate, wherein the outer fixing frame or the outer fixing plate is used for fixing needles inserted into the bone tissue, at least one end of the fixing needles is exposed out of the skin, in addition, the end part, exposed out of the skin, of the fixing needles is the end to be fixed, the outer fixing frame comprises a first fixing frame body and a second fixing frame body, the outer fixing plate is a fixing plate used for fixing all of the fixing needles inserted into the bone tissue to be fixed, and the outer fixing plate comprises one or several fixing plate blocks. The processing method comprises the following steps of image information collection before reduction, computer virtual reduction, fixing device structural design and fixing device processing. The fixing device provided by the invention has the advantages that the automatic reduction function is realized, the structure is reasonable, the fixation effect is good, and the defects of reduction deformity correction difficulty, surgery operation complexity, overdependence on the clinic experience of doctors and the like in the existing bone fracture reduction or deformity correction process can be effectively overcome.

The invention belongs to the technical field of overall spacecraft designing, and relates to a space-air-ground two-dimensional pointing mechanism for a low Earth orbit (LEO) or medium Earth orbit (MEO) spacecraft. The space-air-ground two-dimensional pointing mechanism comprises an electric control box, a two-dimensional pointing mechanism with orthogonal driving shafts, and a pointing platform used for installation of the two-dimensional pointing mechanism, wherein the pointing mechanism is provided with two rotation angles; and a base of the mechanism can be arranged in an Xb direction or aYb direction of the spacecraft. The space-air-ground two-dimensional pointing mechanism provided by the invention has the advantages that space pointing, air pointing and ground pointing of the LEO or MEO spacecraft can be completed, that is, pointing of the LEO or MEO spacecraft to a relay satellite, other LEO or MEO spacecrafts and a ground station can be completed, only through the single two-dimensional pointing mechanism, so that the spacecraft integration level can be greatly improved, the spacecraft size can be reduced, and the spacecraft cost can be lowered; and the pointing mechanismcan be flexibly used and can be provided with multiple pointing correction measures, so that the characteristics of high pointing precision and high simplicity in use can be achieved.

The invention provides an adjustable suspended cable method for testing bridge deflection. A main cable is erected above a bridge crash barrier at two sides of the bridge; a pulley carriage is suspended on the main cable; a crossbeam transversely and horizontally placed below the bridge bottom is suspended on the pulley carriage; a remote control winch capable of enabling the crossbeam to life vertically is arranged on the crossbeam; multiple dial gauge frames for fixing dial gauges can be arranged on the crossbeam according to test requirements, and when the deflection is measured, the remote control winch is adjusted to enable the measurement head of each dial gauge to abut against the bottom of an arch rib; and a winch is arranged on an anti-crash wall outside a bridge span, the winch drives the pulley carriage via a traction rope to move on the main cable, and thus the dial gauge can reach a target measurement point. A test loading vehicle passes across the surface of the bridge, and the dial gauges are matched with a data acquisition instrument for automatically acquiring the bridge deflection data.

The invention provides a landslide emergency monitoring system. The landslide emergency monitoring system comprises a multi-channel collection module (1), a communication module (2), a power supply regulating module (3) and an external power supply module (4); the multi-channel collection module (1) is used for sending collection data input through multiple channels to the communication module (2); the communication module (2) is used for uploading the received connection data through a GPRS (General Packet Radio Service) network, a CDMA (Code Division Multiple Access) network or a beidou satellite network; the power supply regulating module (3) is used for controlling a power supply to be supplied for the multi-channel collection module (1) and the communication module (2) only during work in a partitioning power supply mode; the external power supply module (4) is used for supplying a power supply for the power supply regulating module (3) through a 220 v alternating current power supply or a solar cell assembly. According to the landslide emergency monitoring system, the data collected through the multi-channel collection module are uploaded in three optional ways, the power can be supplied in a 220 v alternating current or solar energy mode, and accordingly the geological monitoring on the area which is multiple in geological disaster and poor in geological condition and communication condition is achieved, the structure is compact, installation and layout are easy, the requirements for the power supplies and communication devices are low, and accordingly the landslide emergency monitoring system is suitable for emergency monitoring work under the emergency geological disaster condition.

An integrated motor support and transmission apparatus for a marine propulsion system having a motor and marine drive with a drive shaft, comprising: an output shaft; a support housing attached to a marine vessel and having an upper end and a lower end, the upper end supporting the motor and the lower end substantially aligning the output shaft with the marine drive; and a transmission connecting the motor to the output shaft, whereby the motor, transmission, and output shaft can be installed in the marine vessel in a single operation.

The invention relates to a biomass gas decoking device and a comprehensive biomass utilization system. The device comprises a first decoking chamber, a second decoking chamber, a waste liquid collector, a gas inlet, a gas outlet and a first liquid drain port; first adsorption packing is arranged in the first decoking chamber, and second adsorption packing is arranged in the second decoking chamber; the gas inlet is formed below the first decoking chamber; the gas outlet is formed above the second decoking chamber; the first liquid drain port is formed in the bottom of the device; a liquid collecting port of the waste liquid collector is formed between the first decoking chamber and the second decoking chamber; the gas outlet end of the first decoking chamber is communicated with the gas inlet end of the second decoking chamber. The system is formed by connecting a carbonization furnace, a first separating unit, a collision separator, a condensing unit, the biomass gas decoking device, a draught fan, a second separating unit, a mixing gas tank, a water seal, a dryer and a gas storage cabinet in series. According to the biomass gas decoking device and the comprehensive biomass utilization system, the decoking effect is excellent, no wastewater is generated, and the equipment has no blocking risk.

A test pile comprises a hollow pile body. The lower portion of the pile body is located underground, and the pile body is located above or beside an underground pipeline. A test block pipe is installed in the pile body. A cabin door is arranged on the pile body. A wiring board is installed in the pile body. A test block is installed in the test block pipe. A reference electrode is installed in the pile body. The test block, the reference electrode and the pipeline are connected with the wiring board. The lower portion of the test pile is inserted underground, the test block is installed in the test block pipe, the reference electrode is installed in the lower end of the test pile, and therefore the lower portion of the test pile can be used as a reference pipe, and it is unnecessary to additionally install a reference pipe; installation and layout are simple, and the cost of whole pipeline cathode protection engineering is also reduced. When the reference electrode is calibrated, a working electrode for calibration can be conveyed to an underground position through the test pile, the working electrode is made to be close to the reference electrode to be calibrated as much as possible, and calibration is more accurate; the reference electrode to be calibrated can also be taken out to an overground position from the underground position along an inner cavity of the test pile, the reference electrode directly gets close to the working electrode on the ground, calibration is conducted, and therefore calibration accuracy is improved; moreover, the reference electrode and the test block can be taken out from the underground position and are convenient to replace and maintain.

A filter bag of a vacuum cleaner has a filter mounting plate that includes a generally strap-shaped securing element with pivot members on an end thereof. A housing of the vacuum cleaner defines a filter bag compartment therein and has pivot receivers into which the pivot members can be substantially vertically inserted. Then the filter mounting plate can be pivoted into a substantially horizontal installed position as the filter bag is inserted into the filter bag compartment. In the installed position, a first stop member of the filter mounting plate contacts and is stopped by a second stop member of the housing so as to prevent further pivoting and so as to properly position and hold the filter mounting plate.

The invention discloses a buried tap water pipeline leak detection device, which comprises a leak detection probe buried in a water leakage detection area and a leakage detection circuit connected with the leakage detection probe, the leakage detection probe is a humidity detection probe; the leakage detection probe includes Two wires arranged in parallel and covered with an insulating layer on the outside, and a plurality of conductive points are arranged on the two wires; the leakage detection circuit is a resistance value detection circuit that detects the resistance value between the two wires, The leakage detection device has a simple structure, convenient layout and good detection effect, without any adjustment to the structure of the pipeline to be detected. The invention also discloses a leakage detection method, comprising steps: 1. Embedding of the leakage measuring head: while burying the tap water pipeline to be detected, burying the leakage measuring head in the water leakage detection area; 2. Connecting the leakage detection circuit; 3. Leakage Detection, the leak detection method has simple steps, reasonable design and no need to change the structure of the pipeline to be tested, and has high detection accuracy.