Soft phyllite tunnel excavation deformation control method

The invention relates to a soft phyllite tunnel excavation deformation control method which comprises the following steps: (1) after preliminary bracing of a top step is finished, lagging the upper step, excavating a middle step on the left side and finishing preliminary bracing; (2) lagging the middle step on the left side, excavating a middle step on the right side, finishing preliminary bracing, and transversely erecting transverse supports on the middle step after the left and right sides of the middle step are completely subjected to preliminary bracing; (3) lagging the middle step, excavating a lower step on the rear part of the right side in a left and right staggered manner, and carrying out preliminary bracing; (4) excavating central reserved core soil and the tunnel bottom, carrying out preliminary bracing on the tunnel bottom and dismantling the transverse supports one by one; (5) after the preliminary bracing of the tunnel bottom, manufacturing an inverted arch in time, and ...

Marine fire extinguisher holder

The utility model provides a marine fire extinguisher holder, includes stand and two rands, one of them rand is located the upper portion of stand, and another rand is located the lower part of stand, and the rand comprises two articulated ARC ring together, and hinge pin that should articulated department establishes on the stand, and one of them of two ARC ring's free end is equipped with the breach, and another is equipped with the lug that can be embedded into the breach, is equipped with the through -hole that a confession bolt passed on breach and the lug, still include the rope, the bolt on two rands passes through the rope and connects, the top of bolt is equipped with radial annular arch, because one of them breach of two ARC ring's free end, another is equipped with the lug that can be embedded into the breach, is equipped with a through -hole that supplies the bolt to pass on breach and the lug, and after the breach of another arc piece of lug embedding of such arc piece, the ...

Movable offshore new energy power platform

The invention discloses a movable new energy power platform which is used for comprehensively utilizing wind energy, wave energy and solar energy. The movable offshore new energy power platform comprises a platform body, a lifting pile, a lifting pile driving device, an actuating cylinder, a wave plate, a solar photovoltaic plate, an amplitude change cylinder, a solar photovoltaic plate carrier platform, a wind generating device, a hydraulic station, a distribution room, a living building and a crane. The movable offshore new energy power platform mainly has the following connecting mode: the lifting pile driving device, the actuating cylinder, the solar photovoltaic plate carrier platform, the hydraulic station, the distribution room, the living building and the crane are installed on the platform body. Under different weather conditions, the electric energy generated by the solar photovoltaic plate, the wind generating device and the actuating cylinder is transmitted outsides after being ...

Power device of aluminum alloy yacht

The utility model provides a power device of aluminum alloy yacht, belongs to the ship and joins in marriage technical field, including linear electric motor, movable block, first cutter, first motor, support, second cutter, second motor, extension board, kuppe, screw, pivot, shaft coupling, third motor, support frame, slide rail, slider and hull, install the third motor under the hull, the third motor passes through the wire and links to each other with control system on the hull, and the output shaft of third motor passes through the shaft coupling and links to each other with the pivot, and the shaft coupling is installed on the support frame, and the support frame is installed in the hull bottom, pivot lower extreme installation extension board, each installing support of both ends about on the extension board, the utility model has the advantages that: can make the yacht translation, and have the cutting function.

Marine vertical

The utility model provides a marine vertical, includes the vertical body, the top of vertical body is equipped with the arch, is equipped with the through -hole that supplies the rope to pass in the arch, and the bottom of vertical body is removable at least to be fixed with a balancing weight, and the lateral wall of balancing weight flushes with the lateral wall of vertical body, vertical body bottom is equipped with the screw hole, the top of balancing weight be equipped with with screw hole complex screw rod, the bottom of balancing weight is equipped with the screw rod matched with screw hole of another balancing weight, all be equipped with soft cushion between balancing weight and vertical body, the adjacent balancing weight, because the bottom of vertical body is removable at least to be fixed with a balancing weight, and so more according to actual need carries out the regulation of weight, can increase by one or polylith balancing weight, perhaps reduces the balancing weight, ...

Hydrodynamic performance testing device for straight-wing screw propeller of fishing boat

The invention provides a hydrodynamic performance testing device for a straight-wing screw propeller of a fishing boat and belongs to the field of ship engineering. The hydrodynamic performance testing device comprises screw propellers, a machine body, a hoisting mechanism, universal devices, a connection rod, a motor, a hydrometric propeller, a movable mechanism and a slide rail, wherein one end of the machine body is fixedly arranged on a water tank wall; a pressure sensor is mounted on a contact face of the machine body and the water tank wall; the universal devices are symmetrically mounted at the two sides of the machine body; the connection rod penetrates through the centers of the universal devices; the motor is mounted at one end of the connection rod and the other end of the connection rod is mounted on the movable mechanism; the screw propellers are mounted on a rotary shaft of the motor; the machine body is provided with the slide rail; the movable mechanism is mounted on the ...

Boats and ships oil fuel tank cabinet based on ventilative buffer tank structure

The utility model discloses a boats and ships oil fuel tank cabinet based on ventilative buffer tank structure, oil fuel tank cabinet set up the permeability cell, the permeability cell top sets up air pipe cap (2). Be located air pipe cap (2) lower extreme is in set up ventilative buffer tank (1) on the permeability cell, ventilative buffer tank is the rectangle box that the permeability cell is connected to the under shed, be fixed with two baffle (3) through a set of relative lateral wall in the box, two upper part of baffle is crossing, be a lid separation in go up between the under shed two the baffle lower part outside with leave air breathable channel between the rectangle box lateral wall. The utility model discloses according to the characteristics of fuel and oil gas, existing normal ventilation function, prevent again liquid (fuel) because of the offend overflow of surge outside the cabinet of cabin, realized " only ventilative non flowing oil ". The utility model discloses the ...

Water turbine performance test device

The invention provides a water turbine performance test device, and belongs to the field of mechanical equipment. The water turbine performance test device comprises a water turbine, big rotating shafts, a fixed frame, a locking nut, a connecting plate, a motor shaft, a stepping motor, a flange bearing, a belt, small rotating shafts and fixing holes. A plurality of big rotating shafts are mounted in the fixed frame through an upper flange bearing and a lower flange bearing, the water turbine is mounted below the big rotating shafts, and the upper flange bearing and the lower flange bearing are fixed through the locking nut. The connecting plate is mounted in the middle of the fixed frame, and a plurality of fixing holes are formed in the connecting plate. The motor shaft is mounted at one end of the connecting plate, the stepping motor is arranged on the motor shaft, the small rotating shafts are mounted at the other end of the connecting plate, and the small rotating shafts, the big rotating ...

Special steel welding detection device

The utility model discloses a special steel welding detection device, including locating the moving platform who passes through motor drive on the track, moving platform's upper portion is equipped with the welded platform that can reciprocate, the last welder that is equipped with of welded platform, be equipped with the telescoping device that is used for adjusting the vertical direction position of welded platform between welded platform and the moving platform, welded platform's welder both sides are equipped with image acquisition device and ultrasonic wave collection system respectively, welded platform's inside is equipped with central processing unit, wireless transceiver and power module, image acquisition device, ultrasonic wave collection system, wireless transceiver and power module all link to each other with central processing unit, moving platform's inside be equipped with with the motor -drive circuit that central processing unit links to each other. The utility model discloses ...

Ship bridge collision test simulation device

A ship bridge collision test simulation device belongs to the technical field of ships. The ship bridge collision test simulation device comprises a water pool, electromagnetic strips, strong magnets, a fixed column, a winch, a sliding rod, a cable, a bridge pier, a protective sleeve, a guide wheel and a ship body. The electromagnetic strips are arranged on two sides of the water pool. The sliding rod stretches across the water pool. The guide wheel is mounted on the sliding rod. The winch is arranged on one side of the sliding rod. The cable in the winch bypasses the guide wheel to be connected with the fixed column on the ship body. The strong magnets are arranged on two sides of the ship body. The ship body is disposed in the water pool. The bridge pier is mounted on the right side of the water pool. The bridge pier is sleeved with the protective sleeve. The electromagnetic strips are formed by connecting a plurality of electromagnets of the same specifications in parallel, the electromagnets ...

Marine fire extinguisher mounting bracket

Marine fire extinguisher mounting bracket, including stand, first rand, second rand and clamp, first rand is located the upper portion of stand, and the lateral wall and the stand welded fastening of first rand, second rand are located the lateral wall and stand welded fastening of the lower part second rand of stand, and the stand is a telescopic link and is equipped with the clamp, the stand includes stand and lower stand, the lower part and the upper portion coincide of stand down of going up the stand, and the tight cover of clamp is in the coincide part of last stand under and, the lateral surface of going up the lower part of stand also is flat profile of tooth for flat profile of tooth, the upper portion of lower stand, because the stand be a telescopic link and is equipped with the clamp, the stand includes stand and stand down in addition, the lower part and the upper portion coincide of stand down of going up the stand, and the tight cover of clamp is in the last stand and the ...

Device and method for implementing dual system slots

Marine fire control case of putting out a fire

Marine fire control case of putting out a fire includes the case box of putting out a fire, the case box of putting out a fire includes roof, bottom plate, both sides board, front bezel and backplate, and the rear side of roof is articulated with the backplate, and the front bezel includes upper board and lower part board, and the lower part board is fixed with both sides board and bottom plate, and the bottom of upper board is articulated with the top of lower part board, is equipped with the support in the case box of putting out a fire, is equipped with the rand of two sets of spacing fire extinguishers on the support, and every group rand is two, and one lies in support upper portion, and another lies in the support lower part, the inside wall of rand is equipped with the rubber ring, because it is equipped with the support in the case box to put out a fire, is equipped with the rand of two spacing fire extinguishers on the support, and the fire extinguisher can imbed in the rand like ...

Device and method for implementing dual system slots

A device and method for implementing dual system slots used in CPCI system in communication and computer control field are disclosed. Three PCI buses are arranged between two system slots. The one ofthem is used for exchanging the system management information and stand-by data between two system boards. The others are connection lines for controlling peripheral boards by system board. Its advantages are high reliability and high fault tolerance.

Quick sealing method for excavating phyllite stratum tunnel

The invention discloses a quick sealing method for excavating a phyllite stratum tunnel. The method comprises four steps, wherein a tunnel face is subjected to advanced small conduit grouting supporting before being excavated in the step (1); grouting anchor rods with lengths L of more than or equal to 8m are adopted as foot locking anchor rods of steel frames of each step in the step (2); surrounding rocks behind primary supports are subjected to grouting reinforcement after the primary supporting of each step; in each excavation cycle in the step (4), the excavation length of the upper step is 1 frame, the middle step is 2 to 3 frames, the lower step is 2 to 3 frames, and the tunnel bottom is 4 to 6m. According to the excavation method, the excavation lengths of the middle and lower steps and the tunnel bottom in each cycle are increased under the condition of no changes in the footage of the upper step in each cycle, the primary supporting closing time is shortened, the deformation of ...

在同步系统中实现时钟主备用的方法和装置

A device implementing the main and backup clock in synchronism system includes the circuit for reversing the main to the backup. The reversing circuit includes the circuit for locking the main, the circuit for removing the main, the circuit for generating the reversing signal, the reversed signal output processor. The invention can either avoid the state of which the two boards are as the main at same time, also can eliminate the phase oscillation at state of the main, meanwhile can reduce the time delay for reversing the main to the backup.

Efficient rapid emergency maintenance ship for submarine pipeline

The invention discloses an efficient rapid emergency maintenance ship for a submarine pipeline, which is used for the maintenance of the submarine pipeline. A ship body, a lifting pile, a ventilating pile, a lifting drive device, a maintenance working cabin, a propeller drive system and a life building form the efficient rapid emergency maintenance ship for the submarine pipeline. The efficient rapid emergency maintenance ship for the submarine pipeline has the main installing mode that the lifting drive device, the propeller drive system and the life building are arranged on the ship body. During the maintenance of the submarine pipeline, the ventilating pile is placed through a drive gear of the lifting drive device to drive the maintenance working cabin to enter underwater until the butt position with the submarine pipeline is completed and then the pipeline maintenance operation is carried out. The propulsion function of the efficient rapid emergency maintenance ship for the submarine ...

Energy-saving type boat-bridge collision-preventing automatic protecting device

The invention discloses an energy-saving type boat-bridge collision-preventing automatic protecting device which comprises a hydraulic control station, a pier post body protecting airbag and an air pipeline. The energy-saving type boat-bridge collision-preventing automatic protecting device has the main connection mode that the hydraulic control station and the pier post body protecting airbag are connected with each other by the air pipeline. The hydraulic control station is installed on a platform beside a bridge, and is composed of a solar energy battery power generating system, a storage battery, an electromotor, a motor-driven hydraulic pump, a manual operated hydraulic pump, an oil tank, a check valve, a pressure relay, a pressure regulating valve, a pressure gage, a storage cylinder, a stop valve, a hydraulic tube, a cable and a coupler. When a boat suddenly impacts the bridge, through interaction of the gas in the pier post body protecting airbag and the high pressure liquid in ...

Resistance testing device of asymmetrical catamaran model

The invention discloses a resistance testing device of an asymmetrical catamaran model, and belongs to the technical field of ships. The resistance testing device of the asymmetrical catamaran model comprises a main catamaran body, fixators, ejection hydraulic cylinders, a rotating shaft, a fixing mechanism, force sensors, fixing rods, a side catamaran body, an inserting groove and a transverse hydraulic cylinder. The main catamaran body is connected with the side catamaran body through the two fixing rods, and each fixing rod is provided with one force sensor. The fixators are mounted at the two ends of the main catamaran body, the middle part of the main catamaran body and the middle part of the side catamaran body are provided with the fixing mechanism through the rotating shaft, and the ejection hydraulic cylinders are mounted on the upper side and the lower side of the fixing mechanism. By means of the resistance testing device, it is guaranteed that the catamaran model only can move ...

Blade loading method for water turbine model test

The invention relates to a blade loading method for a water turbine model test, and belongs to the technical field of experimental equipment. According to the method, a water pump is sequentially connected with a pressure relief opening, an energy storage air bottle, a proportional valve and a nozzle through a pipeline, the nozzle is formed in the upper portion of a platform, a forcemeter is arranged on the lower portion of the platform, the proportional valve is connected with a control computer through a signal line, the platform is connected with an air balloon through a pull rope, whether air in the air balloon leaks or not is checked, and then reactive force generated by continuous flow jet is used for simulating blade loads of a water turbine. It is supposed that numerical simulation loads of blades of the water turbine are obtained already, the loads are reduced according to a certain scale ratio, and a load time history is changed to be isometric electric signals. The working state ...

Aluminum alloy yacht with deck chair

The utility model provides an aluminum alloy yacht with deck chair, belongs to the ship and joins in marriage technical field, including hull, controller, the back of the chair, first fretwork, safety belt, safe knot, catching groove, bedplate, second round pin axle, second fretwork, second extension board, scissor arm, first extension board, cylinder, support frame, first round pin axle, support, slide rail, slider, motor, lead screw, screw and bearing bracket, the controller is installed on the hull, and the slider is installed to two slide rails of installation on the hull on, and the screw is installed under the support to the support mounting on two sliders, and the screw is installed on the lead screw, and respectively install on the bearing bracket at both ends about the lead screw, and the bearing bracket is installed on the hull, and the lead screw right -hand member passes through the shaft coupling and links to each other with the motor, and the motor is installed on the hull ...

Secondary air channel of boiler

The utility model relates to a boiler field, in particular to secondary air channel of boiler, the secondary air channel including female pipe and son pipe, son pipe set up two at least along the vertical orientation of boiler, the furnace intercommunication of son pipe and boiler, air outlet and the distance between the air distribution plate of descend the straton to manage are 1300 -1700mm. Descending most straton pipe air outlet to make progress the lifting and to apart from behind the air distribution plate 1300 -1700mm, descend the secondary wind pressure of straton pipe air outlet department to be greater than the wind pressure one time, the effectual production that prevents the vortex is avoided the dust to pile up and is being descended the straton to manage air outlet department most for overgrate air kinetic energy is sufficient, pierce through the reinforce, and is stronger to the disturbance ability of furnace burning material. Can effectively restrain the flow of tiny granule ...

Grinding device for food machine parts

The invention provides a food machinery accessory grinding device, and relates to the field of food machinery processing. The connecting part is mounted on the rear side of the grinding part; the protection part is mounted outside the grinding part; the separation part is mounted on the protection part; the mounting part is mounted on the front side of the grinding part; a positioning groove is formed in the front side of the mounting base, and six mounting protrusions are arranged on the outer wall of the mounting base. The number of the grinding wheel blocks is six, the six grinding wheel blocks are installed on the outer walls of the six installation protrusions in a sliding mode, and through holes are formed in the six grinding wheel blocks correspondingly. Automatic separation of the six grinding wheel blocks and machining accessories is achieved, and the situation that the six grinding wheel blocks are damaged due to collision or large grinding thickness is avoided; the problem that ...

Stepped anti-subsidence leg of ocean platform

A stepped anti-subsidence leg of an ocean platform includes a leg, a ribbed plate, a stepped ring, transition sections and circular metal rings, the ribbed plate is welded between the leg and the stepped ring to remit stress concentration; the stepped ring is composed of a plurality of superposed steel tubes having different external diameters, a connection part between each two steel tube is provided with the transition section, and the transition section externally includes an inclined circular metal ring; pipe diameters of corresponding stepped sections are determined according to conditions of a surface foundation under a seabed soil level while mounting the leg, the stepped ring is hit to be sunken at 0.5-2.5m depth of the seabed soil level in a construction period of the leg in the seabed, so that an aim of anti-subsidence is implemented, simultaneously, depth of the leg sunken in the seabed also can be reduced about 1/3; fillers are placed at the connection part of the transition ...

Aluminium alloy yacht

The utility model provides an aluminium alloy yacht, belongs to the ship and joins in marriage technical field, including hull, driver's cabin, first fore -set, first crossbeam, support frame, first motor, truss, chain slab band, roller bearing, gyro wheel, second fore -set, second crossbeam, first pillar, second motor, second pillar, pivot, first rope, controller, fixedly buckle, slide rail, slider, cylinder, first jib, second jib, spring, kickboard, bedplate, buckle and second rope, the controller is installed on the hull, installs the driver's cabin on the hull, the first fore -set of installation on the driver's cabin, and the first crossbeam of installation on the first fore -set, first crossbeam right -hand member installation truss, the truss lower extreme is installed on the driver's cabin, and the roller bearing is respectively installed at both ends about the truss, installs the gyro wheel on the roller bearing, the utility model has the advantages that: have the glide function ...

Purification protection system of boats and ships auxiliary engine and ocean engineering host computer lubricating oil

The utility model discloses a purification protection system of boats and ships auxiliary engine and ocean engineering host computer lubricating oil, each host computer auxiliary engine's oil pan upper end sets up overflow pipe (5), each overflow pipe (5) communicate to lubricating oil overflow recovery cabinet (9) through the pipeline, the lubricating oil that the lubricating oil overflow was retrieved in cabinet (9) utilizes delivery pump (11) to send heater (7) of oil to absolute oil machine (8) through the pipeline that sets up four valves (V4), filter (10), notes oil pipe (6) of oil to each host computer auxiliary engine oil pan bottom are sent in absolute oil machine (8) through setting valve's pipeline respectively. The utility model discloses a purification in succession and oil level safety protection's concentrated recovery and unified management system are realized to boats and ships auxiliary engine and ocean engineering host computer oil pan lubricating oil, have the advantage ...

Opening/closing foldable dock gate

The invention discloses an opening/closing foldable dock gate, and belongs to the field of ocean engineering. The opening/closing foldable dock gate comprises a dock chamber, a machine room, a water inlet, an electromagnetic valve, an air pipe, a dock door, a doorsill, a drain port, a water suction pump and side barriers, wherein the dock chamber is built below a shoreside ground, and adopts a cuboid structure; the machine room is arranged at the top of the dock chamber; a console is arranged in the machine room; an air pump is mounted in the machine room; the water inlet is formed below the dock chamber; the electromagnetic valve is mounted in the water inlet; the magnitude of water inlet quantity can be adjusted through the electromagnetic valve; the drain port is formed above the dock chamber; the water suction pump is mounted in the drain port; water in the dock chamber can be totally drained through the water suction pump; the front end of the dock chamber is an opening; the doorsill ...

Special steel welding set

The utility model discloses a special steel welding set, including locating the moving platform on the track, moving platform's upper portion is equipped with the welded platform that can reciprocate, the last welder that is equipped with of welded platform, be equipped with the telescoping device between welded platform and the moving platform, the telescoping device includes hydraulic cylinder, connecting rod and adjusting nut, be equipped with adjusting nut and lower adjusting nut on the connecting rod, the one end of connecting rod links to each other with moving platform, and the other end passes welded platform, fixes welded platform on the connecting rod through upper and lower adjusting nut, hydraulic cylinder is located between welded platform and the moving platform on locating the connecting rod. The utility model relates to a special steel welding set is particularly useful for the special steel, and this welding set can realize stable removal welding, has guaranteed the welded ...