45results about How to "Uniform lift" patented technology

The invention relates to the field of logistics mechanical equipment, particularly to a rotatable submerged automated guided vehicle with an independent jacking structure. The technical purpose is achieved through the technical scheme as follows: the rotatable submerged automated guided vehicle with the independent jacking structure comprises a lifting platform and a driving device I, and further comprises a lifting device which is connected with the lifting platform and drives the lifting platform to rise and fall in the vertical direction under the driving of the driving device I, a rotation transmission device which is connected onto the lifting platform and is connected with a driving device II, and a rotating part which is driven to rotate by the rotation transmission device. According to the rotatable submerged automated guided vehicle with the independent jacking structure, the vertical rising and falling action and horizontal rotation action of a tray rack are mutually independent and do not interfere each other, the structure is stable and the operability is high.

The invention discloses a pressure differential liquid level detecting device including the canister with the up-down closed covers, the liquid input set in the down closed cover, the extraction opening set in the up closed cover. The diaphragm seat, the flinger clapboard and the splash clapboard are set in the inside of the canister. The diaphragm seat is installed with the diaphragm by the press plate; the center of the diaphragm is installed with the liquid signal leader which spreads to the upper of the canister through the flinger clapboard and the splash clapboard, the signal switch corresponding to the liquid signal leader is installed in the upper closed cover; the air hole is set in the flinger clapboard and the splash clapboard, the liquid hole corresponding to the diaphragm is set in the seat soleplate and the diaphragm seat and the pressing plate are set with the galvanometer hole; the spring is suited in the liquid signal leader and compress spring is set between the up closed cover underside and the splash clapboard. So it detects the liquid level quickly and accurately.

The invention discloses a pneumatic lifting table frame and a lifting table. The invention belongs to the field of lifting mechanisms. The lifting table frame comprises a cross beam and stand columns.The lifting table frame further comprises a pressure sensor for detecting the load of the lifting table frame, a controller for receiving signals of the pressure sensor and an adjustable air spring assembly for driving the stand columns to ascend and descend. The adjustable air spring assembly comprises an adjustable air spring body, an air storage tank, a piston rod assembly and a driving piece.The adjustable air spring body is connected with the air storage tank through an air pipe. The controller controls the driving piece. The adjustable air spring body is arranged in one stand column. The driving piece drives the piston rod assembly to do piston motion in the air storage tank. The lifting table frame is high in safety, easy to lift, good in comfort degree, low in damage rate, long in service life, high in stability and high in practicability.

The invention provides a secondary hydraulic jacking installation method of smoke desulfurizing tower transformation of a coal-fired power plant, and the method is used for achieving the technical effect of conducting secondary hydraulic jacking transformation on the smoke desulfurizing tower of the coal-fired power plant. The method comprises lower tower body transformation lifting and upper tower body transformation lifting. The method comprises the following construction technological steps of pre-construction preparation, tower exterior connection detachment, demister removal, tower body reinforcement, arrangement of a lifting device, tower body cutting and lifting, and tower wall plate assembling. The installation method has the beneficial effects that the reverse installation technique of secondary hydraulic jacking is adopted for lifting and transformation of the desulfurizing tower, the welding quality is guaranteed, application of large-scale lifting equipment is reduced, and the safety of desulfurizing tower construction is improved.

The invention belongs to the technical field of mine curtain water interception and water plugging engineering, and particularly relates to a construction method of a concealed water interception curtain of a deep-buried loose confined aquifer. The construction method aims to solve the problems that in an existing construction technology of a deep-buried loose layer water interception curtain, the grouting process is immature, the grouting pressure and the grouting amount are controlled blindly, the curtain lacks integrity, and the water interception rate is low. According to the technical scheme, the construction method comprises the steps that 1) the spatial relation among the terrain, a loose layer supply water source, the runoff direction and a mine excavation system is comprehensively considered, and the position of a curtain line is determined; 2) two rows of grouting drill holes are formed along the curtain line at equal intervals, the inner row of grouting drill holes and the outer row of grouting drill holes are arranged in a quincuncial pile mode, inspection drill holes are formed between the inner row of grouting drill holes and the outer row of grouting drill holes, and the drill holes are vertical holes; 3) drilling and grouting are conducted; 4) after grouting of each grouting section is completed, the holes are swept to the original hole depth, and a water pressure test is conducted; and 5) the step 3), the step 2) and the step 4) are repeated till the designed final hole depth is reached, and the drill holes enter a final hole 5-10 m away from a complete bed rock; and (6) the inspection holes are constructed.

The invention discloses a construction method for island mudflat diking. The construction method comprises the following steps of: bottom protection construction, dike foundation construction, dike body construction, outer slope construction, inner slope structure construction, wave wall construction and crest pavement construction, wherein bottom protection construction comprises sand rib soft body mattress laying and interlocking sheet soft body mattress laying, and adopts a laying boat to perform underwater laying; the dike foundation construction comprises performing first-layer continuoussand cushion placing, second-layer continuous sand cushion placing, driving by a drain board and a third-layer continuous sand cushion placing in sequence, wherein during steps from first-layer continuous sand cushion placing to third-layer continuous sand cushion placing, an integrated type construction boat underwater sand pocket filling method is adopted; the dike body construction comprises dike body inner and outer edge construction, and dike core construction; and outer slope construction comprises inclined slope sand rib soft body reverse-filtration drainage construction at elevation lower than 1.5m, and outer slope structure construction. The construction method disclosed by the invention realizes all-around operation and continuous operation; bottom protection is firstly performed, so that an outline is firstly formed; and all-line construction and uniform lifting are taken as the principle, so that construction efficiency can be greatly improved, and diking strength is ensured.

The invention relates to a selective inflow control device based on the cyclone resistance increasing effect. The selective inflow control device based on the cyclone resistance increasing effect comprises a central tube, an outer cylinder, a controller main body and a flow guiding device, wherein the outer cylinder sleeves the center tube, an annular cavity is formed between the outer cylinder and the center tube, and one end of the outer cylinder is hermetically connected with the middle part of the center tube; the controller main body is fixed to the center tube, the controller main body is configured to enable fluid in the annular cavity to be introduced into the center tube, the controller main body is provided with two cyclone systems for identifying and distinguishing fluid and increasing resistance to the fluid in a distinguishing mode; and the flow guiding device is arranged in the annular cavity, the flow guiding device is fixed to the outer wall of the center tube and is configured to be capable of guiding the fluid to the controller main body. The selective inflow control device based on the cyclone resistance increasing effect has the function of accurately identifying fluid and can automatically adjust the current limiting resistance according to the change of the property, composition and inflow rate of the formation fluid, the bottom water coning phenomenon isprevented, and long-term stable production of horizontal wells is ensured.

Disclosed in the invention is an automatic control system for a temperature in a greenhouse. An indoor temperature sensing device collects current indoor temperature information, an outdoor temperature sensing device collects current outdoor temperature information, and a control center stores information of an optimum temperature for the crop; the indoor temperature information is compared with the optimum temperature for the crop; when the indoor temperature is lower than the optimum temperature, if the outdoor temperature is higher than the optimum temperature, forward air exchange by an air interchanger is carried out; and if the outdoor temperature is lower than the optimum temperature, a heating device is started; and when the indoor temperature is higher than the optimum temperature, if the outdoor temperature is higher than the optimum temperature and reverse air exchange by the air interchanger is carried out; and if the outdoor temperature is lower than the optimum temperature, forward air exchange by the air interchanger is carried out. The air interchanger adjusts the indoor temperature and the heating device carries out heating indoors. With the system, the manpower investment can be saved; the operation becomes simple and stable; and practicability is high.

The invention discloses a supporting device capable of conveniently adjusting the height for bridge construction. The supporting device comprises a vehicle body, the back of the vehicle body is fixedly connected with a bearing plate, the front side and the rear side of the top face of the bearing plate are fixedly connected with connecting plates correspondingly, and the opposite sides of the twoconnecting plates are movably connected with clamping heads, and the supporting device relates to the field of building supporting structures. According to the supporting device capable of conveniently adjusting the height for bridge construction, adjusting the height of a supporting plate is realized through a lifting control mechanism, so that the supporting plate provides a supporting effect for building structures with different heights; according to the supporting device capable of conveniently adjusting the height for bridge construction, adjusting the inclination angle of the supportingplate is realized through an angle adjusting mechanism, so that the supporting device can cater to an inclined building template structure, and the application range and the use effect of the supporting device are enhanced; and the problem that the supporting height and angle of a frame plate are inconvenient to adjust in the bridge construction process is solved.

The invention discloses a self-adaptive flow regulating and water controlling device for an oil-gas well. The self-adaptive flow regulating and water controlling device comprises an outer sleeve, anda base pipe arranged in the outer sleeve in a sleeved mode; the outer wall of the base pipe is provided with a flow adjusting and water controlling controller located in the outer sleeve, and the flowadjusting and water controlling controller comprises a long inlet flow channel, a short inlet flow channel, a fluid flow dividing channel and a rotational flow disc cavity; the long inlet flow channel and the short inlet flow channel extend along a straight line, the flow channel areas are constant, the length of the long inlet flow channel is greater than that of the short inlet flow channel, and the long inlet flow channel and the short inlet flow channel communicate with an inlet of the fluid flow dividing channel; and an outlet of the fluid flow dividing channel communicates with the rotational flow disc cavity and is arranged to output fluid to the rotational flow disc cavity in a rotational flow mode, the channel area of the fluid flow dividing channel is gradually reduced from theinlet to the outlet, the fluid flow dividing channel surrounds the outer side of the rotational flow disc cavity, and a throttling channel is arranged between the fluid flow dividing channel and the rotational flow disc cavity.

The invention discloses a saucer-shaped aircraft. The basic structure of the saucer-shaped aircraft comprises an upper aircraft body, a lower aircraft body and a rotation driving mechanism, wherein an aircraft body space is formed between the upper aircraft body and the lower aircraft body; the rotation driving mechanism is used for driving the upper aircraft body to rotate forwards, and under the condition of no stress, the lower aircraft body can rotate reversely because of conservation of angular kinetic energy; the lower aircraft body is provided with a plurality of air flues; one end of each air flue is communicated with the aircraft body space, and the other end of each air flue is communicated with atmosphere; each air flue is internally provided with a turbofan respectively; an annular magnetic suspension guide rail is arranged between the upper aircraft body and the lower aircraft body; the power source is used for providing required power for the rotation driving mechanism, the turbofans and the magnetic suspension guide rail. Compared with the prior art, the saucer-shaped aircraft is simple in operation principle, and is high in lift force; the lift force of the aircraft and the flight driving force are integrated; the appearance of the aircraft body is a symmetrical streamline type; the aircraft body is good in balance property, can perpendicularly take off and land, hover at random and fly at a high speed; because components, such as a propeller, a turbine engine are omitted, the saucer-shaped aircraft is simple in structure, and is good in controllability.

The invention relates to the technical field of roller shutter door control, in particular to a lifting control method and device for a roller shutter door, a driving controller and the roller shutter door, and the lifting control method comprises the following steps that control instructions of the roller shutter door are obtained, and the control instructions comprise a lifting instruction and a descending instruction; the opening and closing states of the roller shutter door are obtained, wherein the opening and closing states comprise a full-opening state, a full-closing state and a semi-opening state; according to the control instruction and the opening and closing state of the roller shutter door, a control signal is output in combination with switching control of an electronic brake state; and according to the control signal, a brushless motor used for controlling the roller shutter door to ascend and descend is driven, so that the roller shutter door ascends and descends at the preset speed. The problem that the roller shutter door cannot stably ascend and descend well can be solved.

The invention relates to a multifunctional end effector for aerospace maintenance, and solves technical problems that an effector capable of being mounted at a tail end of a soft mechanical arm is lacked at present, and maintenance can be performed aiming at a problem that a satellite solar panel cannot be unfolded or other faults cannot be performed. The multifunctional end effector comprises a cylindrical shell, a gripper mechanism, a lifting mechanism, a transmission wheel train, a reduction gear box, a lifting motor, a gripper motor and a bottom plate, and the gripper mechanism comprises a gripper base, a friction gear, a left memory alloy spring, a right memory alloy spring, a left gripper, a right gripper, a left rolling wheel and a right rolling wheel, wherein the lifting mechanism comprises an inner-layer sleeve, a middle-layer sleeve, an outer-layer sleeve, a driving shaft and a connecting shaft. According to the multifunctional end effector, a special connector for aerospace equipment can be effectively mounted and dismounted, and the special connector can be electrified and heated.

The invention discloses an automatic lifting platform. The platform comprises a platform body and a base, scissor fork parts are arranged on the front side and the rear side between the platform bodyand the base, the scissor fork parts comprise upper scissor fork arms and lower scissor fork arms, one ends of the upper scissor fork arms and one ends of the lower scissor fork arms are rotationallyconnected to a connecting frame, the other ends of the upper shear fork arms are rotationally connected with the platform body, the other ends of the lower shear fork arms are rotationally connected with the base, and the stability of the platform in the lifting process is improved through the two sections of shear fork arms distributed up and down; the platform further comprises a spiral liftingdevice, the two ends of the spiral lifting device are fixedly connected to the base and the platform body respectively, and the lifting speed of the spiral lifting device is stable and controllable sothat constant-speed lifting can be conveniently achieved; and the platform further comprises a servo driver used for driving the spiral lifting device to stretch out and draw back, the servo driver is electrically connected with the spiral lifting device, and the control precision of the servo driver is high so that the stability of the lifting platform can be improved.

The invention discloses a stem cell cryopreservation cooling device, which belongs to the technical field of stem cell cryopreservation, and comprises a temperature control device, a cooling cylinder,a rotating device, a lifting device, a fixing device, a closing device and a plurality of pipelines; the temperature control device is horizontally arranged on the ground, and the cooling cylinder isarranged beside the temperature control device; the cooling cylinder is communicated with the temperature control device through a pipeline, the interior of the cooling cylinder is of a hollow structure, the rotating device is arranged on the inner wall of the bottom of the cooling cylinder, the lifting device is arranged on the rotating device, the lifting device is in sliding fit with the cooling cylinder, and the fixing device is arranged at the top of the lifting device. The closing device is arranged at the top of the cooling cylinder and is in sliding fit with the cooling cylinder. By means of the stem cell cold storage cooling device, stem cells are evenly cooled, meanwhile, hands do not need to be put into the deep hypothermia to place and take the culture dish and hands are prevented from frostbite.

The invention discloses a sludge accumulation preventing device for water conservancy and hydropower engineering construction, and relates to the technical field of water conservancy construction instruments. The problems that most existing sludge accumulation preventing devices do not have the functions of sweeping, wiping, cleaning and blockage removing of a filtering water suction groove in a water suction head, the water suction head needs to be manually cleaned by manually entering sludge, the use is troublesome, and the sludge accumulation preventing devices are time-consuming and laborious are solved. The sludge accumulation preventing device for water conservancy and hydropower engineering construction comprises an annular mounting plate, the annular mounting plate comprises a supporting frame, a pipe cover, a positioning ring, a puller bolt and a rail ring, the bottom of the annular mounting plate is connected with an annular floating body made of plastic, the supporting frameis welded to the top end of the annular mounting plate in a supporting mode, and the bowl-shaped pipe cover is welded to the center of the supporting frame. The overall rotating action is matched with the rotating action of the device so that a brush shaft of the device can carry out comprehensive and thorough sweeping, wiping, cleaning and blockage removing on the suction head.