45results about How to "Avoid tipover accidents" patented technology

The invention relates to an ecological culture net cage capable of automatically sinking and floating to keep balance and relates to a culture net cage in the field of seawater culture equipment. The ecological culture net cage comprises a net cage frame which consists of buoyancy vertical pipes, top connecting pipes, bottom upper connecting pipes, bottom lower connecting pipes, internal tie bar pipes and ground anchors; a net cage sinking and floating system which consists of communicated air pipes, a head air pipe, air inlets / outlets and water inlets / outlets; and a net which consists of a top net, a bottom net, side nets and net ribs. The sinking and floating system is an automatic-balanced net cage sinking and floating system consisting of the buoyancy vertical pipes and air inlet / outlet valves and water inlet / outlet valves in the buoyancy vertical pipes, can realize the automatic-balanced sinking and floating of the net cage, is stable to be lifted up and lowered down and can prevent the net cage from getting turned upside down during sinking and floating. Since sea cucumber anti-wind and anti-wave adhering bases are arranged in the net, when heavy-wind and heavy-wave ocean currents are encountered, sea cucumbers can enter the adhering bases for inhabitation. Since a dual-layer net with a black inner layer and a light green outer layer is arranged and the internal part of the net is dark green, the net is particularly suitable for the growth habit of the sea cucumbers. The net cage has the advantages that the cultured sea cucumbers grow vigorously, the yield is high, the economic income of fishermen is good and the social benefit is remarkable.

The invention provides an anti-tipping control method, an anti-tipping control device and an anti-tipping control system and an engineering plant, which are used for solving the problem of frequent tipping accident of the engineering plant under the condition of uncompacted floor or over-loaded hoisted object in the prior art. The method comprises the following steps of: receiving a dip angle detection signal of the engineering plant; converting the dip angle detection signal into a deviation angle value; if the deviation angle value is greater than a preset deviation angle maximum threshold,outputting a corresponding action instruction for stopping increasing the deviation angle value; and if the deviation angle value is less than a preset deviation angle minimum threshold, outputting acorresponding action instruction for stopping reducing the deviation angle value. By adopting the technical scheme, the safety and the reliability of the engineering plant are favorably improved.

The invention discloses a two-man ladle transportation vehicle, which relates to the technical field of a transportation vehicle and comprises a weighing system and a tilting prevention device, wherein the weighing system comprises a weighing sensor, an installing module, a weighing controller and a weight information display screen, the weighing sensor is arranged at the lower end of a two-man ladle platform of the two-man ladle transportation vehicle through the installing module, the weighing controller is respectively connected with the weighing sensor and the weight information display screen, and the tilting prevention device is arranged at the periphery of the two-man ladle platform. The invention provides a new transfer tool for the steel ladle transportation in a factory, and thetwo-man ladle transportation vehicle is improved, so the two-man ladle transportation vehicle has the weighing and tilting prevention function, a power storage battery device is used as motive power,the static hydraulic transmission is adopted, a lifting function and a multi-mode steering function are realized, the two-man ladle transportation vehicle belongs to a tire type transportation devicerealizing wireless communication of central control instructions and vehicle-mounted information, the two-man ladle transportation vehicle is environmental-friendly and does not cause pollution, and the conveyance work of magnesium chloride high-temperature melt is completed under the condition of ensuring the safety.

A balance device for controlling a culture net cage to float or sink which relates to a piece of seawater net cage breeding equipment comprises a vertical floating pipe for forming a net cage frame, a top communication air pipe and a main air pipe. The vertical floating pipe comprises a top communication air chamber, a middle cylinder and a bottom connection flange. The communication air chamber and the middle cylinder are provided with a sealed partition, and the centre parts are provided with an air inlet and outlet valve. The middle cylinder and the bottom connection flange are provided with the sealed partition, and the centre parts are provided with a water inlet and outlet valve. The bottom part of the water inlet and outlet valve is provided with a mechanism for preventing mud and sand from entering. The invention has the following beneficial effects: the balance device can automatically control the net cage to float or sink and can effectively prevent the overturning accidents during the process of floating and sinking the net cage.

The invention relates to an overturn prevention device, an overturn prevention method and a concrete mixing truck and is characterized in that the overturn prevention device comprises a controller and an inclined angle sensor, wherein the inclined angle sensor is arranged on the frame of an engineering vehicle and electrically connected with the controller; the controller performs overturn prevention treatment according to the inclined angle, collected by the inclined angle sensor, of the engineering vehicle and the angle preset in the controller. According to the overturn prevention device, the inclined angle sensor and the controller are combined; the specific inclined angle of the concrete mixing truck during running can be accurately and timely measured by virtue of the angle measuring function of the inclined angle sensor and directly transmitted to the controller; overturn prevention treatment is performed by the controller, so that overturn accidents are effectively avoided.

The invention provides a method for determining a tower crane roll-over critical state base on rigidity of a tower body, which belongs to the tower crane detection technical field. The method comprises the following steps: establishing a tower rigidity model of the tower crane, and determining that whether the tower crane is in a roll-over critical state or not according to the position relation of the coordinate figure (X,Y) at the top of the tower body and the tower rigidity model of the tower crane. If the coordinate figure (X,Y) at the top of the tower body is in the tower rigidity model of the tower crane, the tower crane is not in the roll-over critical state; conversely, the tower crane is in the roll-over critical state.

The invention relates to a method for determining the missed drawing of a tower crane. The method comprises the following steps: 1, determining whether the missed drawing of the tower crane appears by utilizing the position relationship between the dip angle (theta x, theta y) of the center line of the tower of the loaded tower crane and the characteristic model of the dip angle of the center line of the tower of the well-being tower crane, wherein the dip angle (theta x, theta y) is obtained through measuring by a tower crane dip angle measure apparatus; 2, determining that the missed drawing of the tower crane appears when the dip angle (theta x, theta y) of the center line of the tower of the loaded tower crane is out of the characteristic model of the dip angle of the center line of the tower and is on the upper part of the characteristic model of the dip angle of the center line of the tower; 3, determining that the missed drawing of the tower crane appears when the dip angle (theta x, theta y) of the center line of the tower of the loaded tower crane is out of the characteristic model of the dip angle of the center line of the tower and is on the lower part of the characteristic model of the dip angle of the center line of the tower; and 4, determining that no missed drawing of the tower crane appears when the dip angle (theta x, theta y) of the center line of the tower of the loaded tower crane is in the characteristic model of the dip angle of the center line of the tower.

The invention discloses a buoyant riser of a high frame cage-type ecological breeding net cage, and relates to a seawater breeding net cage. The buoyant riser of the high frame cage-type ecological breeding net cage comprises a riser body, a top pipe cap, a bottom flange plate, an arc chamber roof, and an arc chamber bottom, an intake and exhaust port of the chamber roof, and a water intake and discharge port of the chamber bottom, wherein the riser body is heightened to 2-6M; a cone-basin-shaped divider is arranged inside a pipe cavity; a first aerating through hole is formed in one side of the center of the divider; a first pressure one-way valve is connected below the first aerating through hole; or a second aerating through hole is formed in the pipe wall of one side below the divider; a second pressure one-way valve is externally connected with the second aerating through hole; and sealed floating balls are respectively arranged inside an upper pipe cavity and a lower pipe cavity. The buoyant riser has the beneficial effects that the height is increased; the height and the volume of the net cage are increased; a plurality of layers of medium nets can be arranged to increase the breeding quantity; or fishes which can not be raised in the existing cage can be raised. Therefore, the culture benefit is greatly improved. The cone-basin-shaped divider is arranged inside the pipe cavity; and the upper pipe cavity and the lower pipe cavity are orderly aerated and discharged through the aerating through hole and the pressure one-way valves. Therefore, the accumulation of pressure difference caused by aerating and discharging difference of each buoyant riser in the up and down process can be effectively reduced and avoided; and a tilting accident of the net cage in the floating process is also avoided.

The invention discloses engineering machinery, which comprises a body, wherein a ground carrying inspection device is arranged on the body and is used for exerting a preset load on the ground before the operation of the engineering machinery. Compared with the existing engineering machinery, the engineering machinery provided by the invention has the advantages that the ground carrying inspection device is arranged on the body, the ground carrying identification capability is realized, the preset load is firstly exerted on the ground before the operation of the engineering machinery, the carrying capability of the ground is judged, the engineering machinery adapts to the homogeneous and heterogeneous ground inspection requirements, the problem of judging unreliability through visual inspection or experience by operators can be fundamentally solved, the occurrence of tip-over accidents is effectively avoided, and the construction safety is ensured.

The invention discloses a mixer truck which comprises a speed reducer, a mixing drum and a hydraulic motor, wherein the speed reducer is respectively connected with the mixing drum and the hydraulic motor. The mixer truck further comprises a front table, a front table top plate, front baffle plates, side baffle plates, first adjusting bolts and second adjusting bolts; the front table top plate is mounted on the front table, and the speed reducer is mounted on the front table top plate; front bosses and lateral bosses are arranged on the front table top plate; the front baffle plate is positioned between the front bosses and the speed reducer, and the first adjusting bolts compress the front baffle plate; the side baffle plates are respectively positioned between one lateral boss and the speed reducer as well as between another lateral boss and the speed reducer; and the second adjusting bolts compress the side baffle plates. According to the mixer truck provided by the invention, the speed reducer is limited and protected by the front baffle plate and the side baffle plates from front, left and right sides as well as the vertical direction, and the risk of speed reducer mounting bolt breakage is avoided.

The present invention aims at raising the construction quality, speed and safety of bridge parapet constructing mechanism. One of the constructino mechanism includes one working bench with wheels at bottom, crossbeam on one side, one construction frame on the crossbeam, inner and outer formworks corresponding to the outer shape of the parapet with the inner and outer formworks being capable of shifting horizontally and with connecting and pressure resisting part in between. The other scheme includes one inverted U-shaped working bench with wheels at bottom, one formworks corresponding the outer shape of the central separating island of bridger road, and the formworks can shift horizontally and have connecting pressure resisting rod. The mechanical of the present invention is used mainly in bridge construction.

The invention relates to the field of marine drilling engineering equipment, in particular to a water riser pipe transferring system with effective guiding, the alignment time reducing and tilting accident avoiding functions, The transferring system comprises a rail assembly fixedly connected with the foundation, and further comprises a transferring trolley, wherein the transferring trolley is composed of a base movably connected with the rail assembly, a frame structure fixedly connected with the base, a speed reducer assembly fixedly connected with the base and centering guide movably connected with the frame structure; and the number of the centering guide is two, the two centering guide are arranged in parallel, and are perpendicular to the rail assembly. The transferring system is convenient to carry, the occupied area is small, the control displacement is more accurate, the working efficiency is improved, and the occurrence rate of safety accidents is reduced.

The invention discloses a movable-type crane support unbalance early-warning device. The movable-type crane support unbalance early-warning device comprises two unbalance trigger units, a connection flexible pipe and an acousto-optic warning device. Hooks of the unbalance trigger units are arranged at the top end of an adjustment frame, the bottom of the adjustment frame is provided with screw holes, adjustment screws are screwed in the screw holes at the bottom end of the adjustment frame, tail ends of the adjustment screws are movably connected to the top ends of transparent containers, the adjustment screws are screwed in locking nuts, adjustable contact pins are respectively arranged at the top ends of the transparent containers and stretch into the transparent containers, the top ends of the transparent containers are provided with through holes and the bottom ends of the transparent containers are provided with communication openings and electrodes, a conductive liquid is injected into the transparent containers, the connection flexible pipe connects the communication openings of the transparent containers of the two unbalance trigger units, and an input end of the acousto-optic warning device is connected respectively to the adjustable contact pins and the electrodes of the two unbalance trigger units. The movable-type crane support unbalance early-warning device can give effective and accurate early warning in movable-type crane operation, prevents rolling-over accident caused by ground pits produced by pressure, and guarantees reliable and safe operation of a movable-type crane.

The invention provides a nursing tray laying frame, and belongs to medical equipment. The nursing tray laying frame comprises a tray frame body (1), a hook (2) and a depression bar (4), wherein the tray frame body (1), the hook (2) and the depression bar (4) are integrated together; the tray frame body (1) adopts a U-shaped structure; the horizontal size and the lengthways size of the tray frame body (1) are respectively matched with those of the short side and the long side of the rectangular tray; three-sided flanges of the tray are rightly placed on a U-shaped bar of the tray frame body (1). The nursing tray laying frame has the advantages that the frame can be sleeved on a bedrail of a hospital bed, so that the instruments are convenient to take and place; the tray is stable and reliable to place, cannot overturned; the nursing tray laying frame is simple to use, saves time and force, can reduce the labor intensity of a nurse and improve the nursing operation efficiency.

The invention relates to an ecological culture net cage capable of automatically sinking and floating to keep balance and relates to a culture net cage in the field of seawater culture equipment. The ecological culture net cage comprises a net cage frame which consists of buoyancy vertical pipes, top connecting pipes, bottom upper connecting pipes, bottom lower connecting pipes, internal tie bar pipes and ground anchors; a net cage sinking and floating system which consists of communicated air pipes, a head air pipe, air inlets / outlets and water inlets / outlets; and a net which consists of a top net, a bottom net, side nets and net ribs. The sinking and floating system is an automatic-balanced net cage sinking and floating system consisting of the buoyancy vertical pipes and air inlet / outlet valves and water inlet / outlet valves in the buoyancy vertical pipes, can realize the automatic-balanced sinking and floating of the net cage, is stable to be lifted up and lowered down and can prevent the net cage from getting turned upside down during sinking and floating. Since sea cucumber anti-wind and anti-wave adhering bases are arranged in the net, when heavy-wind and heavy-wave ocean currents are encountered, sea cucumbers can enter the adhering bases for inhabitation. Since a dual-layer net with a black inner layer and a light green outer layer is arranged and the internal part of the net is dark green, the net is particularly suitable for the growth habit of the sea cucumbers. The net cage has the advantages that the cultured sea cucumbers grow vigorously, the yield is high, the economic income of fishermen is good and the social benefit is remarkable.

The invention discloses a looseness detecting method and a looseness detecting system for transmission shaft couplers of a rotary furnace, wherein the looseness detecting method specifically comprises the following steps: calculating braking time between different motors by a programmable controller; comparing the braking time with a preset comparison time set value; and then determining the connection state of the shaft couplers with a transmission. The invention further provides a transmission system of a rotary furnace body, which comprises an operation table, and the programmable controller, frequency converters, encoders, motors, the shaft couplers, the transmission and a transmission object which are orderly connected with the operation table, wherein the programmable controller further controls a brake through a contactor; the transmission system further comprises a conversion distributor; an input end of the conversion distributor is connected with output ends of the encoders; an output end of the conversion distributor is connected with the corresponding frequency convertor and the programmable controller, respectively; and the brake is arranged on two sides of the transmission. When a certain shaft coupler is loosened, an alarming signal for looseness of the shaft coupler is sent, thereby realizing online automatic detection of the looseness of transmission shafts.

The invention discloses a three-fulcrum anti-overturning protecting device for a pile frame, which comprises a vertical column (14) and a platform (15). One ends of two extending auxiliary pull rods are respectively hinged to the lower portion of the vertical column (14) in a floating mode, the other ends of the two extending auxiliary pull rods are respectively hinged to the platform (15) in a floating mode, the two extending auxiliary pull rods are respectively located on two sides of the vertical column (14), and the two extending auxiliary pull rods and the vertical column (14) form a three-fulcrum support having a protecting function. The three-fulcrum anti-overturning protecting device for the pile frame has a protection effect on the pile frame and prevents the pile frame from being overturned, severe damage to mechanical equipment is avoided, most importantly, the protecting effect on life safety of staff is achieved, and the protecting device is welcome by wide users and has positive effects on companies and the society.

The invention discloses an automatic protection system for high inclination of a launch vehicle. The automatic protection system comprises an Ultranics control system, a front left landing leg cylinder, a front right landing leg cylinder, a back left landing leg cylinder and a back right landing leg cylinder; a pressure sensor I, a pressure sensor II, a pressure sensor III and a pressure sensor IV are respectively installed in the aperture of each landing leg cylinder; the automatic protection system further comprises an ECU (Electronic Control Unit) control system and a two-dimensional inclination sensor; the ECU control system comprises an electric control unit which comprises a micro computer and an analog-to-digital converter connected with the micro computer via a data line; each pressure sensor is respectively connected with the analog-to-digital converter via a signal line; and the micro computer is connected with the Ultranics control system via a data line. The automatic protection system for high inclination of the launch vehicle has the capability of judging the inclination of an engineering apparatus before leveling or during the leveling so that the tip-over of the vehicle can be avoided.

The invention discloses an engineering machinery supporting leg, and relates to the technical field of engineering machinery. The engineering machinery supporting leg comprises a main compression-resistant base, auxiliary compression-resistant bases and main hydraulic rods; the auxiliary compression-resistant bases are located on the two sides of the outer wall of the main compression-resistant base; the main hydraulic rods are located at the bottom of the main compression-resistant base; a fixed connecting block is fixedly arranged in the center of the top of the main compression-resistant base; and a protection pipe is fixedly arranged at the top, close to the fixed connecting block, of the main compression-resistant base; and the center of the outer wall of the protection pipe is provided with a protection sleeve in a sleeved mode. Through the main pressure-resistant base, the auxiliary pressure-resistant bases, a main buffer block, an auxiliary buffer block, a main stabilizing block and an auxiliary stabilizing block, engineering machinery can operate on the ground with an uneven roadbed, the working efficiency is improved, the construction period time is shortened, and throughthe main hydraulic rods, an auxiliary hydraulic rod, the protection sleeve, the fixed connecting block and a rotary connecting column, when the engineering machinery operates, the engineering machinery is supported on the supporting leg, so that tipping accidents are prevented, and the safety performance is improved.

The invention relates to the technical field of oil and natural gas drilling equipment, in particular to a drilling rig moving and transporting leveling device which can enable a drilling rig to automatically return to the initial mounting position when wheels deviate from the center of a guiding rail. The drilling rig moving and transporting leveling device comprises a mechanical jack, two limiting seats and a connecting rod. The top of the mechanical jack is fixedly connected with a base of the drilling rig. The limiting seats are in pressing-fixing connection with the bottom of the mechanical jack through first pressing plates, and the limiting seats are movably connected with the guiding rail through second pressing plates. The two ends of the connecting rod are movably connected withthe two limiting seats through pin shafts correspondingly. The drilling rig moving and transporting leveling device is simple in structure, the offset situation of the drilling rig can be automatically adjusted, the cost is saved, and the production efficiency is improved.

The present invention aims at raising the construction quality, speed and safety of bridge parapet constructing mechanism. One of the constructino mechanism includes one working bench with wheels at bottom, crossbeam on one side, one construction frame on the crossbeam, inner and outer formworks corresponding to the outer shape of the parapet with the inner and outer formworks being capable of shifting horizontally and with connecting and pressure resisting part in between. The other scheme includes one inverted U-shaped working bench with wheels at bottom, one formworks corresponding the outer shape of the central separating island of bridger road, and the formworks can shift horizontally and have connecting pressure resisting rod. The mechanical of the present invention is used mainly in bridge construction.

The invention discloses a buoyant riser of a high frame cage-type ecological breeding net cage, and relates to a seawater breeding net cage. The buoyant riser of the high frame cage-type ecological breeding net cage comprises a riser body, a top pipe cap, a bottom flange plate, an arc chamber roof, and an arc chamber bottom, an intake and exhaust port of the chamber roof, and a water intake and discharge port of the chamber bottom, wherein the riser body is heightened to 2-6M; a cone-basin-shaped divider is arranged inside a pipe cavity; a first aerating through hole is formed in one side of the center of the divider; a first pressure one-way valve is connected below the first aerating through hole; or a second aerating through hole is formed in the pipe wall of one side below the divider; a second pressure one-way valve is externally connected with the second aerating through hole; and sealed floating balls are respectively arranged inside an upper pipe cavity and a lower pipe cavity. The buoyant riser has the beneficial effects that the height is increased; the height and the volume of the net cage are increased; a plurality of layers of medium nets can be arranged to increase the breeding quantity; or fishes which can not be raised in the existing cage can be raised. Therefore, the culture benefit is greatly improved. The cone-basin-shaped divider is arranged inside the pipe cavity; and the upper pipe cavity and the lower pipe cavity are orderly aerated and discharged through the aerating through hole and the pressure one-way valves. Therefore, the accumulation of pressure difference caused by aerating and discharging difference of each buoyant riser in the up and down process can be effectively reduced and avoided; and a tilting accident of the net cage in the floating process is also avoided.

The invention discloses an engineering machinery anti-tipping control system and control method thereof. The control system comprises an inclination angle sensor, a comparator and a controller, the deviation angle of the engineering machine is obtained by processing an inclination angle detection signal of the engineering machine, the comparator judges whether the deviation angle deviates from anadjusting threshold value or not, the controller further judges and processes the deviation angle; and the engineering machine is controlled by the instruction to timely lock dangerous actions and timely control the adjusting actions of support legs and a suspension arm of the engineering machine, so that the engineering machine is always in a balanced safety state, and the tipping accident of theengineering machine is avoided.

The invention provides a tower body top inclination diagnosis device for a tower crane and a diagnosis method of the tower body top inclination diagnosis device. The device comprises a hold hoop for holding a slewing tower limb of a tower crane, a pair of fixing columns, an inclination sensor and a display recording alarm device, wherein the fixing columns are connected with two ends of the hold hoop, the inclination sensor is connected with the other ends of the fixing columns, and the display recording alarm device is electrically connected with the inclination sensor which is provided with a clamping port for clamping the slewing tower limb of the tower crane. The inclination sensor is mainly used for measuring the tower body top inclination, and is clamped on the slewing tower limb of the tower crane through the clamping port and connected with the hold hoop through the fixing columns; and the display recording alarm device 7 makes a sound-light alarm, controls a hoisting circuit and simultaneously records overload information when serious overload occurs.

The invention relates to a C-shaped hook inclination detection method, device and equipment and a readable storage medium. The C-shaped hook inclination detection method comprises the following steps: obtaining an image containing a horizontal direction edge on a C-shaped hook; processing the image so as to screen out the contour of the edge in the horizontal direction in the image; comparing the contour of the horizontal edge with a horizontal line to obtain an included angle between the contour of the horizontal edge and the horizontal line; and obtaining the inclination angle of the C-shaped hook according to the included angle. The technical problem that the inclination detection effect on the C-shaped hook of the high-speed wire rod suspension conveyor is poor is solved.

The invention discloses a three-fulcrum anti-overturning protecting device for a pile frame, which comprises a vertical column (14) and a platform (15). One ends of two extending auxiliary pull rods are respectively hinged to the lower portion of the vertical column (14) in a floating mode, the other ends of the two extending auxiliary pull rods are respectively hinged to the platform (15) in a floating mode, the two extending auxiliary pull rods are respectively located on two sides of the vertical column (14), and the two extending auxiliary pull rods and the vertical column (14) form a three-fulcrum support having a protecting function. The three-fulcrum anti-overturning protecting device for the pile frame has a protection effect on the pile frame and prevents the pile frame from being overturned, severe damage to mechanical equipment is avoided, most importantly, the protecting effect on life safety of staff is achieved, and the protecting device is welcome by wide users and has positive effects on companies and the society.