67results about How to "High stability factor" patented technology

Improved breakwater construction blocks and interlocking shear key blocks for use in constructing diverse systems and works, in broad fields of use including, but not limited to, coastal engineering: river, stream and torrent control, bulkhead designed projects, scour control, check dams, permeable and impermeable groins-both river and ocean structures and other hydraulic works including marinas.

Disclosed are biodiesel fuels with improved oxidative stability. Disclosed are biodiesel fuels which comprise two or more antioxidants which increase the oxidative stability of the biodiesel fuel.

The invention discloses a high-efficiency method for flue gas desulfurization. A vibration motor (3), a driving rotating shaft (4), an eccentric block (5), supporting springs (2) and supporting base plates (26) are used in mutual cooperation, the vibration motor (3) drives the driving rotating shaft (4) and the eccentric block (5) to rotate, and a desulfurization box (1) is driven by the eccentricblock (5) to vibrate on the supporting springs (2), so that a desulfurization solution inside the desulfurization box (1) can vibrate during the vibration of the desulfurization box (1), the combination of the desulfurization solution and sulfur-containing gas is more complete, the desulfurization efficiency is greatly improved, the stability coefficient of the desulfurization box is effectivelyimproved, an effective guarantee is provided for normal operation of desulfurization, and the desulfurization effect can be better. The structure is simple, the amount of the sulfur-containing smoke discharged into the atmosphere is effectively reduced, and pollution and damage caused by the sulfur-containing smoke to the atmospheric environment are effectively reduced.

The invention discloses a double-trolley opposite-direction movement bridge type crane. A first rail is arranged on a bridge, and a machine room trolley moves on the first rail; a second rail is arranged below the bridge, and a crane carriage moves on the second rail; four hoisting drums are mounted on the machine room trolley; a drive mechanism for driving the machine room trolley to walk is mounted on the machine room trolley. The double-trolley opposite-direction movement bridge type crane achieves a quite good partial offset function on load tipping moment follow-up balance and motion inertia force, waggling of the crane caused by operation of the crane carriage is relieved beneficially, and positioning accuracy of the crane carriage is improved; the maximum working wheel pressure is reduced, and the stabilizing coefficient of the crane is increased; a small crane main span is achieved, weight of the crane can be lowered, and infrastructure investment of the crane is reduced.

The invention discloses a grooving machine, which comprises a self-walking mechanism, a working arm rotating mechanism, a working arm mechanism, a cutting mechanism, and a power and control mechanism, wherein the self-walking mechanism is arranged at the bottom of the grooving machine; a mounting platform is arranged at the upper part of the self-walking mechanism; the working arm rotating mechanism and the power and control mechanism are arranged on the mounting platform; the working arm rotating mechanism comprises a turbo-worm reducer and a working arm mounting holder connected with an output shaft of the turbo-worm reducer; the turbo-worm reducer is fixed on the mounting platform; the working arm mechanism is rotatably connected onto the working arm mounting holder and is connected with the cutting mechanism; the power and control mechanism is connected with and controls actions of the self-walking mechanism, the working arm mechanism, the working arm rotating mechanism and the cutting mechanism. A grooving working arm can rotate freely for 360 degrees; the stability coefficient of the grooving machine can be increased through an expendable stabilizing support leg mechanism; the mechanical grooving operation is realized; the grooving efficiency is improved; the labor intensity is alleviated and the safety coefficient is increased.

The invention discloses a wood softening liquid. The wood softening liquid is characterized by comprising the following components in parts by weight: 100-115 parts of deionized water, 2-3 parts of ricinoleic acid butyl ester sodium sulfate, 1-3 parts of hydroxypropyl methyl cellulose, 60-70 parts of glycerol, 18-20 parts of boric acid, 3-4 parts of fatty alcohol-polyoxyethylene ether, 95-100 parts of paraffin, 1-3 parts of alcohol ether glucoside, 4-5 parts of sodium laureth sulfate, 1-2 parts of alkyl naphthalene sulfonate, 1-2 parts of polypropylene glycol and 2-3 parts of sodium lauroyl aminoethyl. The wood softening liquid provided by the invention is high in stability coefficient and enables wood to be fragile easily.

The invention belongs to the technical field of pressure vessels and particularly discloses a vertical type pressure vessel for glassed steel equipment. The vertical type pressure vessel aims at solving the problems that a vertical type pressure vessel is low in flexibility, inconvenient to use and low in safety coefficient. The vertical type pressure vessel comprises a base. Hydraulic cylinders are arranged at four corners of the outer wall of the top of the base, and a first vibration reduction pillar is fixed to the outer wall of the top of each hydraulic cylinder through screws. A same connecting plate is fixed to the outer walls of the tops of the two first vibration reduction pillars at each side of the base through screws. Two connecting brackets are arranged on the outer wall of one side of each connecting plate. A same fixing plate is fixed to the outer walls of one sides of every two connecting brackets through screws, and a display screen and an alarm device are fixed to theouter wall of one side of each fixing plate through screws. By means of the vertical type pressure vessel, universal wheels can be ascended and descended freely; movement and fixation of the equipment can be completed; flexibility is high; a protective housing can be firmly fixed, and the phenomenon that the protective housing falls off due to collision is avoided; and by means of reset springs and clamping blocks, clamping flexibility and stability are improved.

The invention discloses a bridge crane with double trolleys moving in different directions. The bridge crane is characterized in that a first track is arranged above a bridge, and a machine room trolley moves on the first track; a second track is arranged below the bridge, and a hoisting trolley moves on the second trolley; a first driving mechanism for driving the machine room trolley to travel is mounted on the machine room trolley; a second driving mechanism for driving the hoisting trolley to travel is mounted on the hoisting trolley; and when the second driving mechanism drives the hoisting trolley to travel, the first driving mechanism drives the machine room trolley to travel in a reverse direction relative to the hoisting trolley. The bridge crane has load tipping moment servo-balancing and partial movement inertia force offsetting effects, so that crane shaking caused by operation of the hoisting crane is alleviated, and the hoisting trolley is positioned accurately; the maximum working wheel pressure is reduced, and the stability coefficient of the crane is increased; and the main span of the crane is small, so that the dead weight and cost of the crane can be lowered.

The invention provides a goods storing method. A child-mother car is adopted and comprises a mother car, a shifting device, a child car and a jacking device sequentially from bottom to top. The goodsstoring method includes the following steps that firstly, goods are placed on the jacking device, and the mother car runs to a designated position; the shifting device is butted to a rail; then, the jacking device is jacked up, and the child car moves along the butted rail; and finally, a hydraulic platform descends, one time of goods storing is completed, and each device returns to seat sequentially. The invention further provides a goods taking method. Firstly, the mother car runs to the designated position; the shifting device is butted to the rail, the child car moves along the butted rail, then, the jacking device jacks goods up, and finally, the child car, the shifting device and the jacking device return to seat sequentially. The shifting mechanism and the child car system can achieve high precision of goods taking and storing. Compared with a conventional goods taking and storing method such as forking, the system structure is small in displacement and operates more stably whena goods taking system takes the goods.

The invention discloses a transformer partial discharge ultrahigh frequency locating analyzer and a locating analyzing method thereof. The transformer partial discharge ultrahigh frequency locating analyzer comprises a signal conditioning unit (1), a signal processing unit (3), a precise time-delay unit (2), wherein the signal conditioning unit (1) is used for receiving the discharge signals collected by a probe and carrying out conditioning on the received discharge signals, the signal processing unit (3) is used for calculating a discharge distance, the precise time-delay unit (2) is used for carrying out time delay on the conditioned discharge signals, and the refined time-delay unit (2) is further connected with the signal processing unit (3), sends the delayed signals to the signal processing unit (3), and receives the time-delay control signals of the signal processing unit (3). According to the transformer partial discharge ultrahigh frequency locating analyzer and the locating analyzing method thereof, a normal sampling circuit can carry out sampling analysis on high-frequency discharge signals through the time-delay technology, and the transformer partial discharge ultrahigh frequency locating analyzer and the locating analyzing method thereof have the advantages of being low in circuit manufacturing cost, good in stability coefficient, convenient to control and the like.

A vehicle stability control device is mounted on a vehicle in which a front tire wears faster than a rear tire. An equation for calculating a target yaw rate includes a stability factor of the vehicle as a parameter, wherein the calculated target yaw rate becomes lower as the stability factor becomes larger. Understeer degree increases as the target yaw rate becomes higher than an actual yaw rate. When the understeer degree exceeds an activation threshold, vehicle stability control is activated. The vehicle stability control device further performs wear coping processing. In the wear coping processing, a wear degree parameter being wear degree of the front tire or a difference in wear degree between the front tire and the rear tire is calculated. When the wear degree parameter exceeds a wear threshold, the vehicle stability control device corrects the stability factor to be larger than a default setting value.

The invention discloses an anti-seismic anchor bolt. An external thread is formed on the rod wall of one end of a double contraction threaded rod, and the other end of the double contraction threaded rod is sequentially provided with a first tapered flange, a second tapered flange and an annular flange from the end along the rod wall of the double contraction threaded rod. The part, between the first tapered flange and the second tapered flange, of the rod wall is sleeved with a first strong friction sheet, and the part, between the second tapered flange and the annular flange, of the rod wall is sleeved with a second strong friction sheet. At least one nut is in screwed connection with the external thread at one end of the double contraction threaded rod. The position, on the inner side of the nut, of the double contraction threaded rod is further sleeved with a spring washer. The position, between the spring washer and the annular flange, of the double contraction threaded rod is sleeved with at least two large flat washers. The position, between the two large flat washers, of the double contraction threaded rod is sleeved with a saucer washer anti-seismic assembly. The anti-seismic anchor bolt has the advantages that the double friction sheets are matched with the saucer washer anti-seismic assembly, so that under the action of interaction force, damage to concrete caused by the stress of the anchor bolt is avoided, and the expansion anchor bolt can still be used when bearing dynamic loads.

The invention relates to the field of wall blocks, in particular to a composite self-insulation brick. The composite self-insulation brick comprises a brick body. A triangular through holes is formed in the middle of the brick body. Insulation holes are formed in the two ends of the brick body. Insulation materials are arranged in the insulation holes. An end protrusion is arranged at one end of the brick body. An end groove matched with the end protrusion is formed in the other end of the brick body. The depth of the end groove is greater than the length of the end protrusion. The outer edge of the end groove is higher than the end highest position of the brick body on the same side. Top protrusions are arranged on the two sides of the upper side face of the brick body. Top grooves matched with the top protrusions are formed in the two sides of the lower side face of the brick body. The depth of the top grooves is greater than the height of the top protrusions. The brick is simple in structure and convenient to operate, the whole brick body is of an integral structure, the strength is improved, and the insulation performance is improved; and the insulation technical process can be omitted during construction of an outer wall, the technical requirement of additionally laying an insulation material board on the outer side of the building outer wall is omitted, outer wall construction is rapider and more convenient, and meanwhile, the construction cost is reduced.

The invention discloses a method for erecting parallel box girders in a tunnel. The method comprises the steps of making a bridge girder erection machine pass through the tunnel, wherein the bridge girder erection machine is conveyed to the position of the entrance of the tunnel by a girder transporting vehicle through two supports; placing the bridge girder erection machine in position, adjusting the height of the bridge girder erection machine to be matched with the height of the tunnel, making the height of a rear supporting leg, the height of a middle supporting leg and the height of a front supporting leg increase gradually, and making the surface of the bridge girder erection machine incline upwards horizontally; conducting girder feeding through the girder transporting vehicle; lifting the first box girder through the bridge girder erection machine; finishing girder feeding through the bridge girder erection machine; lowering and horizontally moving the first box girder through a front girder carrier and a rear girder carrier; taking the second box girder through the bridge girder erection machine in the same way and conducting lowering and horizontal movement of the girder; finishing girder erection. According to the method, due to the fact that the bridge girder erection machine is adopted to erect the parallel box girders in the tunnel, time is saved a lot, cost is reduced, erection of the first hole box girders with cast-in-place required in the prior art is achieved safely and smoothly, the difficulty of erecting the first hole parallel box girders in the specific tunnel-bridge connection environment is reduced, and construction safety and construction quality are guaranteed.

The invention relates to the technical field of elevator safety protection apparatuses, particularly to an elevator safety protection apparatus. The elevator safety protection apparatus comprises an elevator body disposed in an elevator shaft; a fall prevention apparatus is provided at the bottom of the elevator body, and comprises a fall trigger mechanism and a fall prevention execution mechanism; the fall trigger mechanism comprises a housing and multiple support members; the multiple support members are arranged on the peripheral side of the housing; a second connecting rod vertically arranged is fixedly connected to the bottom surface of the limiting plate; and multiple four connecting rods inclined upwards are rotatably connected to the peripheral direction of the bottom end of the second connecting rod. The apparatus completes damping and clamping fixation of an elevator in a full mechanical manner to achieve higher stability coefficient; and because the apparatus starts a fall prevention action when the elevator falls, the fall of the elevator can be timely stopped, and the safety of passengers is preferably protected.

The invention relates to the technical field of side slope stability prevention and treatment research and relates to a side slope rescuing counter pressure adverse construction method and a structure thereof. The side slope rescuing counter pressure adverse construction method comprises the following steps that 1, side slope body geometric elements are determined, and side slope body physical and mechanics parameters are determined; 2, counter pressure platform parameters are determined, and counter pressure materials are determined; and 3, an adverse method is adopted for carrying out construction. The side slope rescuing counter pressure adverse construction method has the beneficial effects of being convenient in construction, fast, safe, low in cost, small in disturbance to a slope body and the like. Moreover, the method can be applied to filling embankments of highways and railways, water conservancy embankment projects, soft soil foundation pit projects and various side slope rescuing projects.

The invention provides a water-cooled battery module, which comprises a battery module shell and a battery cell support, wherein the shell comprises an upper shell and a lower shell; an upper fastening installation part is arranged on the upper shell; the upper fastening installation part is connected to a lower fastening installation part through a connecting piece; a support piece is arranged in the upper shell; a plurality of battery support pieces are arranged on the support piece; a water cooling device is arranged in the upper shell; the water cooling device comprises a water inlet pipe, a water outlet pipe and a condensing coil; a battery cell support installation cavity is arranged in the lower shell; and a heating panel is arranged at the bottom of the lower shell. The water-cooled battery module has the advantages of high reliability, compact structure, strong flow, large joint area, strong heat exchange and strong cooling and has wide market prospect in the electric automobile market.

The invention relates to the technical field of elevator assisting devices, in particular to an elevator buffer device. The elevator buffer device comprises an elevator and lateral wall faces on two sides of the elevator and is characterized in that a buffer device body is arranged at the bottom of the elevator, the buffer device body comprises two parallelly-arranged first fixing plates which arefixedly connected to the bottom of the elevator, a winding reel is arranged between the two first fixing plates, a flexible rope winds the winding reel, rope baffles are fixedly connected to two endsof the winding reel, a slider is arranged inside a cylinder, a push rod is fixedly connected to one side, away from a rotary rod, of the slider, the other end of the push rod is arranged in a throughhole formed in the corresponding first fixing plate, the push rod is coaxial with a clamping rod, and the other end of the spring is fixedly connected to the inner wall of the cylinder. The elevatorbuffer device has the advantages that elevator buffer and clamping fixing are completed in a total mechanical manner, and high stability coefficient is achieved; due to the fact that the device startsclamping action when the elevator starts falling, the device can timely stop the elevator falling and well protect the safety of passengers.

The invention relates to an artwork carving device. An external shaft installation hole seat is arranged on the lower portion of a motor box. A first bevel gear is installed in the external shaft installation hole seat and engaged with a second bevel gear. A rotary shaft is sleeved with the center of the second bevel gear. First circular saws are installed at the two ends of the rotary shaft. The portions, on the outer sides of the first circular saws, of the rotary shaft are sleeved with bearing frames. A first circular saw supporting rack is installed in the bearing frame. The top of the first circular saw supporting rack is fixedly connected with the motor box. Second circular saw devices are arranged on the outer sides of the first circular saws. The effect that under driving of the same motor, operation of the circular saws distributed longitudinally and transversely in a staggered mode is achieved, and in the specific using process, special treatment including deep groove operation, end face operation, chamfering treatment, edge roughening treatment, equal depth grooving and unequal depth grooving can be conducted on a carved object to be processed according to requirements of an operation surface needing treatment.

The invention discloses an enterprise information technology (IT) business virtualization disaster recovery method based on a zettabyte file system (ZFS) and a kernel-based virtual machine (KVM) kernel virtual underlying system. The enterprise IT business virtualization disaster recover method based on the ZFS and the KVM kernel virtual underlying system comprises a step of data block level incremental backup at regular intervals and a step of virtualization disaster relief, wherein all functions of backup, storage and virtualization are provided by one server. A user is directly connected with an integrated server by a protective computer, and changing incremental data is backed up to a storage medium managed by the integrated server at regular intervals. When the computer of the user is affected by a disaster, the integrated server generates a virtual computer which is totally the same as the original computer of the user according to the back-up data stored in local, the virtual computer substitutes the original computer of the user to continue working, and therefore the continuity of the business of the user is guaranteed. Historical data of any back-up time points can also be virtualized to be a virtual computer, the normal operation of the original computer does not need to be interfered, and the virtual computer is utilized to test or diagnose troubles. The enterprise IT business virtualization disaster recovery method based on the ZFS and the KVM kernel virtual underlying system can overcome the defects of resource wasting, complicated structure and unstable communication among traditional framework multiple nodes and the like.

The invention discloses a packaging box. The packaging box comprises a base, a supporting unit and a locking unit, universal wheels are arranged at four corners of the lower end of the base, the supporting unit is installed at the upper end of the base, and the locking unit is arranged at the upper end of the supporting unit. The packaging box can solve the problems that first, when a common packaging box is produced and manufactured, boards are mostly fixed through a pneumatic nail gun, the packaging box needs to be repeatedly opened and closed in the using process, the boards are prone to being damaged through a nail gun fixing mode for a long time, the fixing effect is affected, and when the boards are fixed through the nail gun, potential safety hazards are prone to being caused to workers; and secondly, in the manufacturing process of existing packaging boxes, most of the packaging boxes are fixed through the nail gun, the packaging boxes shake in the transportation process, nails at connecting positions of boards are prone to falling off, the boards are loosened, the stability is lacked, and the using effect is affected.

The invention discloses a gardening automatic rotary spray head. The gardening automatic rotary spray head comprises a connecting pipe, a spray head and a ground plug; the outer surface of the left side of the connecting pipe is provided with a connecting seat; the connecting seat is detachably connected with the connecting pipe; one side, away from the connecting seat, of the connecting pipe is fixedly provided with a joint water inlet cylinder; a blocking sheet is arranged above the connecting seat; the blocking sheet sleeves the outer side wall of the connecting pipe; the blocking sheet isrotatably connected with the connecting pipe; and a fixing plate, supporting legs and a silica gel ring are arranged on the outer side wall of the ground plug. A user inserts the ground plug through the fixing plate and inserts the ground plug into the ground for fixing the spray head, the friction force between the ground plug and the fixing plate is increased through the silica gel ring, so thatthe ground plug is more stable; the four supporting legs support the fixing plate, then the stability coefficient of the fixing plate is improved, and the situation that the ground plug is unstable when the water pressure inside the connecting pipe is too large is improved, so that water resources can be fully utilized, and convenience is brought to the users.

This invention relates to a combination type DC-DC boosting inverter. It is characterized by: (1). an inductor and a switching tube are used for supplying shared main boostnig for Boost circuit and Cuk circuit; (2) Boost circuit is used for proceeding positive boosting and energy-storage for the voltage of main driving point of inverter circuit, to produce positive pole point voltage for output power source of inverter; (3) Cuk circuit is used for proceeding negative boosting and energy-storage for the voltage of main driving point of inverter circuit, to produce negative pole point of output power source of inverter. This invented voltage boosting inverter is of simple circuit. Under the driving of the booster made of main inductor and switching tube, the Boost unit gives voltage gain, while the CUk unit gives-out voltage gain. The coefficient of stability W=0.0095, one fold increased.

The invention discloses a building construction drilling machine with a correction function. The building construction drilling machine with the correction function comprises a punching machine base body, a limiting protection mechanism is fixedly installed on the edge of one end of the punching machine base body, positioning clamping mechanisms are symmetrically installed on the two sides of the back face of the limiting protection mechanism, a protection bearing mechanism is welded to the bottom of one end of the punching machine base body, an oil tank is installed at the bottom end of the punching machine base body, and a supporting assembly is installed at the position, corresponding to the bottom end of the oil tank, of the bottom end of the punching machine base body. Through the limiting protection mechanism, secondary fixing of a drill bit can be facilitated, so that connection between the drill bit and a punching machine is more stable, and shaking of the drill bit in the operation process is reduced; and meanwhile through an outer conical cover, the stability between the punching machine and a wall is improved, so that shaking of the punching machine during operation is reduced, operation of the drilling machine is facilitated, interference of shaking of the punching machine during operation on drilling of the wall is reduced, and drilling treatment on the wall is facilitated.

The invention discloses a fire and temperature monitoring and detecting device for a power plant. The device comprises a first supporting column, a top seat and a movable mechanism, the connecting frames are arranged at the four corners of the movable mechanism; a rotating shaft is driven by a motor on the connecting frame to drive fan blades to rotate, therefore, the movable mechanism can effectively implement all-around monitoring and detection above each device of the thermal power plant; meanwhile, four smoke sensors arranged below the movable mechanism, a temperature sensor and a panoramic camera in the middle enable the movable mechanism to monitor and detect all devices below the movable mechanism, and meanwhile a control unit in the movable mechanism can integrate collected data through a wireless receiving and transmitting module and a data processing module and send the data to a user control terminal so that a user can conduct thermal power generation and more effective andpowerful data information is provided when the equipment in the plant performs fire monitoring and detection, so that the accuracy of monitoring and detection is further improved.

The invention discloses a radio frequency synthesis power amplifier circuit with optional bandwidth. The circuit comprises a transmission line transformer TT1, a bandwidth transmission line transformer TT2, a first last-stage power amplifier tube A1, a second last-stage power amplifier tube A2, a first negative feedback circuit NF1 and a second negative feedback circuit NF2. A radio frequency IN input signal is connected with the first last-stage power amplifier tube A1 and the second last-stage power amplifier tube A2 through the transmission line transformer TT1. The first last-stage power amplifier tube A1 is connected with the first negative feedback circuit NF1 in parallel. The second last-stage power amplifier tube A2 is connected with the second negative feedback circuit NF2 in parallel. Signals amplified by the first last-stage power amplifier tube A1 and the second last-stage power amplifier tube A2 are combined through the bandwidth transmission line transformer TT2. The combined signals are output through an output end OUT. The radio frequency IN input signals are output through the transmission line transformer TT1, the last-stage power amplifier tubes connected in parallel and the bandwidth transmission line transformer TT2 to form the radio frequency synthesis power amplifier circuit with the optional bandwidth.

The invention discloses a mechanical supporting column capable of conveniently rotating at multiple angles. The mechanical supporting column comprises a device body, the device body is composed of a supporting rod, a hydraulic rod arranged at the top of the supporting rod and a supporting base arranged at the bottom of the supporting rod. The hydraulic rod is embedded into the supporting rod, andthe supporting rod and the supporting base are welded. On the basis of a traditional mechanical supporting column, the mechanical supporting column capable of conveniently rotating at the multiple angles can be suitable for mechanism equipment supporting of various different angles, the application range of the mechanical supporting column is increased, an attaching gap between the supporting faces is smaller, the supporting stability coefficient is increased, and the situation that the ground is too slippery, thus the supporting column inclines, and certain dangerous conditions occur is avoided while supporting is conducted; and in the meanwhile, a phosphor strip is adopted so that one certain light source can be provided in the nighttime, and meanwhile the situation that energy is wastedwhen electric energy is used is reduced.