9293results about "Vibration suppression adjustments" patented technology

The present invention relates to a flywheel (1) for a drive train of a motor vehicle, comprising a main flywheel mass (4) forming an input side (2) which can be screwed to a crankshaft of an internal combustion engine through a plurality of screw holes (5) distributed in the circumferential direction (U) of the flywheel (1), a slip clutch (6) arranged downstream of the main flywheel mass (4) in a torque transmission path emanating from the input side (2), and a torsional vibration damper (7) arranged downstream of the slip clutch (6) in the torque transmission path and which has both an output flange (11) and a hub (8) forming an output side (3), which is connected in a rotationally fixed manner to the output flange (11), with through holes (10) distributed in the circumferential direction (U), wherein the torsional vibration damper (7) has a disassembly device (12) which can be removed by rotation and which is designedto remove the non-rotatable connection of the hub (8) to the output flange (11) so that the through holes (10) can be aligned with the screw holes (5).

The utility model relates to the technical field of rail travelling cranes, and discloses travelling crane rail cleaning equipment which comprises a rail body and a support arranged on a travelling crane, a scraper bucket used for cleaning the rail body is arranged on the support, the scraper bucket is in contact with the rail body, and the travelling crane rail cleaning equipment further comprises a shell arranged on the scraper bucket and used for cleaning the rail body. A mounting area is arranged on the surface of one side close to the track body; the rack is arranged in the mounting area on the shell; the rotary driving assemblies are arranged on the rack, and the two rotary driving assemblies are arranged side by side; the vibrating mechanism is arranged on the rack and connected with the rotation driving assembly; and the driving assembly is arranged in the mounting area on the shell and is connected with the rotation driving assembly. According to the travelling crane rail cleaning equipment, the cleaning efficiency and quality are improved, the abrasion and energy consumption of the equipment are reduced, and a powerful guarantee is provided for safe and efficient running of travelling cranes.

The invention provides a steel box girder hoisting device for building construction, and relates to the technical field of building construction, slings are arranged at the tail parts of a main hook and an auxiliary hook, and during hoisting, under the action of the gravity of a hoisted steel box girder, the slings move from the tail parts of the main hook and the auxiliary hook to the middle parts to drive the auxiliary hook to rotate relative to the main hook; the middle part of the auxiliary hook is gradually close to the middle part of the main hook, namely the auxiliary hook is gradually changed from a state of being separated from the main hook to a state of being combined with the main hook. The auxiliary hook is limited by the damping mechanism in the rotating process, the speed of the lifting appliance moving from the tails of the main hook and the auxiliary hook to the middle is reduced, and the damping effect is achieved, that is, the damping mechanism absorbs impact stress generated between the auxiliary hook and the lifting appliance when the lifting appliance is subjected to instantaneous impact force at the moment of lifting load; and when the lifting appliance moves from the tail parts of the main hook and the auxiliary hook to the middle part, the auxiliary hook provides lateral support and limit for the lifting appliance, so that the unstable shaking of the lifting appliance is reduced, and the influence on the lifting stability and the construction safety of the steel box girder is reduced.

The utility model relates to the technical field of vibration damping devices, in particular to a wind driven generator tower tuning inerter vibration damping device which comprises a sliding support, the sliding support is mounted on a rest platform, and a mass block is slidably arranged on the sliding support in the horizontal direction; the counter-force frame assembly is fixedly connected to the rest platform, and an adjustable spring assembly and a liquid inerter damper assembly are connected between the counter-force frame assembly and the mass block; wherein the adjustable spring assembly and the liquid inerter damper assembly can rotate in the horizontal direction relative to the mass block and the reaction frame assembly, the adjustable spring assembly is used for buffering movement of the mass block in the horizontal direction, and the liquid inerter damper assembly is used for absorbing vibration of the mass block. According to the device, the damping effect of the device is improved through the amplification effect of inertial damping, the damping device can achieve balance of strong vibration energy with the small mass size, all the components of the device are supported to be disassembled and assembled, and installation and transportation are convenient.

The invention relates to the technical field of fixing devices, and discloses a solar photovoltaic power generation panel fixing device which comprises a T-shaped frame, a rotating shaft is rotatably connected to the inner wall of the T-shaped frame, a supporting table is fixedly connected to the rear portion of the T-shaped frame, a motor is fixedly connected to the top of the supporting table, and a belt pulley set is fixedly connected to the output end of the motor. The photovoltaic panel can change according to the movement position of the sun, so that the photovoltaic panel can receive the highest sunlight intensity all the time, the sunlight conversion efficiency of the photovoltaic panel can be maximized, meanwhile, installation of the photovoltaic panel can be rapidly completed, the installation time of workers can be saved, and the installation efficiency of the workers is improved. The photovoltaic panel installation device can be installed on a roof quickly, can be installed according to photovoltaic panels of different sizes, avoids the problem that the photovoltaic panels are not matched during installation, and can improve the installation diversity of the photovoltaic panels.

The invention relates to the technical field of stackers, in particular to a rigid anti-swing device of a stacker for an automatic stereoscopic warehouse, which comprises the stacker, a first-stage moving platform and a second-stage moving platform arranged on one side of the stacker, an objective table arranged above the second-stage moving platform, a scissor-fork type connecting rod mechanism, a buffer mechanism and a protection mechanism, the scissors fork type connecting rod mechanism is connected between the first-stage moving platform and the second-stage moving platform of the stacking machine. The shear fork type connecting rod mechanism is additionally arranged between the first-stage moving platform and the second-stage moving platform, the relative motion between the two platforms is forced to be single and determined linear motion, the connecting rigidity in the transverse direction and the vertical direction is greatly enhanced, and therefore basic shaking caused by sudden acceleration change and structural elastic deformation is restrained.

The utility model relates to a flexible photovoltaic support with a vibration reducing function, which comprises end part stand columns and a middle stand column, the middle stand column is arranged between the end part stand columns, the top of each end part stand column is fixedly connected with an installation cable, and two installation cables are arranged in pairs in parallel in a group. A triangular support is fixedly connected to the mounting cables arranged in pairs, a spring is fixedly connected to the bottom of the triangular support, a limiting piece used for limiting straightening of the spring is installed on the spring, a balancing weight is fixedly connected to the bottom of the spring through a first steel wire rope, and a ground pile is fixedly connected to the bottom of the balancing weight through a second steel wire rope. Various guarantees are provided, the vibration amplitude of the flexible photovoltaic support is effectively reduced, the structural safety is improved, meanwhile, the vibration reduction assembly can be effectively protected, and structural failure is avoided.

The invention relates to the technical field of ship cranes, in particular to a ship crane hoisting assembly which comprises a ship crane, a sling connecting and fixing assembly is arranged below the ship crane, a hoisting frame assembly is arranged below the sling connecting and fixing assembly, and an object fixing frame is arranged below the hoisting frame assembly. The container lifting device has the beneficial effects that the lifting frame assembly is designed to be matched with the gravity center adjusting assembly and the auxiliary buffer frame assembly, and the first position sensor and the second position sensor are carried on the two sides of the object fixing frame, so that when a container is initially lifted, the gravity center adjusting assembly and the auxiliary buffer frame assembly are matched, and the gravity center adjusting assembly and the auxiliary buffer frame assembly are matched; whether the gravity center of the container deviates excessively or not is fed back, the independent sling winding roller set I and the sling winding roller set II are used for controlling the connecting sling to achieve winding or loosening of the winding roller adjusting sliding rail in the displacement process, the gravity center of the container is adjusted in the direction opposite to the deviation direction, and the stability of the container in the lifting process is guaranteed.

A dynamic wind-resistant flexible photovoltaic power generation mount system, in which multiple photovoltaic panels are mounted astride a same load-bearing cable and connected in series to form a flat-plate-type photovoltaic power generation suspension cable. Each photovoltaic panel can sway with the wind around the load-bearing cable. The present application overcomes the defects of existing static wind-resistant technologies, pioneers a new dynamic wind-resistant approach, reduces wind resistance, and achieves an exceptionally strong wind-resistant effect. The present application allows for an increased span, reduces the number of pile foundations, and minimally interferes with large-scale agricultural machinery operation. The movement speed of shadows is rapid, so that crop photosynthesis is not affected, and instead, crop growth is stimulated and agricultural yield and income are increased.

The invention discloses a closed multifunctional integrated air supply unit and a suspension system, and the air supply unit comprises a compressor which comprises a motor and a compression pump in transmission connection with the motor; the distribution valve assembly is provided with a distribution gas channel used for guiding gas sent out by the compression pump to needed components. The dryer comprises a dryer shell and a drying agent arranged in the dryer shell, and the dryer is used for drying the gas sent out by the compression pump; the dryer shell is arranged on the motor in a sleeving mode, a drying bin is formed between the dryer shell and the motor shell, and the drying agent is arranged in the drying bin. When the drying agent needs to be regenerated, as the drying bin is formed on the outer side of the shell of the motor, the drying agent can absorb heat generated by rotation of the motor, and the regeneration efficiency of the drying agent can be greatly improved.

The invention discloses a gas-liquid low-temperature two-phase flow precise monitoring and metering test system, which comprises a segmented sensing acquisition module, a high-speed signal analysis module, a pulsation resonance identification module, an active damping control module, a phase change intelligent identification module and a monitoring metering output module, a plurality of groups of separated fluid dynamic response sensors are arranged in a low-temperature two-phase flow pipeline and are respectively positioned at a two-phase mixing inlet section, a middle stable section and an outlet section, so that segmented data acquisition is realized. The method has the advantages that the resonance risk caused by gas-liquid phase change can be accurately identified, a damping structure is regulated and controlled in real time, and system resonance and sensor damage are effectively avoided; meanwhile, through multi-point flow velocity fusion and gas phase molar fraction dynamic correction, high-precision measurement of the two-phase fluid volume flow is achieved, the measurement stability and the system safety are improved, and the device is widely suitable for low-temperature gas-liquid mixed transportation scenes.

The invention provides a novel shock absorber which comprises a top plate, a bottom plate, a main shock absorption device and a complete machine horizontal shock absorption adjusting mechanism, the complete machine horizontal shock absorption adjusting mechanism is arranged around the main shock absorption device, and the complete machine horizontal shock absorption adjusting mechanism comprises a tension spring fixing block, a shock absorption adjusting tension spring and a shock absorption adjusting fixing block. The tension spring fixing block is located on the side, close to the bottom plate, of the top plate and fixedly connected with the top plate, the vibration reduction adjusting fixing block is perpendicular to the bottom plate and fixed to the vertex angle position of the bottom plate, one end of the vibration reduction adjusting tension spring is fixedly connected with the tension spring fixing block, and the other end of the vibration reduction adjusting tension spring is connected with the vibration reduction adjusting fixing block through the vibration reduction steel wire. According to the shock absorber, the complete machine horizontal shock absorption adjusting mechanism which is arranged around the spring shock absorption assembly and fixedly connected with the top plate is additionally arranged, the deviation problem of the shock absorber is adjusted through the shock absorption adjusting tension spring and the shock absorption steel wire, and adjustment is easy and convenient to achieve.

A diagnostic method localizes technical faults in a motion system that includes a base adapted to receive a motion stage for equipment, a machine frame resting on the floor, dampers adapted to support the base, and an active isolation system arranged between the base and the machine frame. The active isolation system and the base form a mechanical system. The active isolation system includes actuators, adapted to impart six degree-of-freedom (DOF) motion to the base in a reference frame, and inertial sensors adapted to provide a six DOF measurement of the base's motion. The method includes: i) applying a control signal for actuating or contributing to the actuation of the actuators of the active isolation system to impart a motion to the base; ii) obtaining, with the inertial sensors, a six DOF measurement of the base's motion relative to a reference point; iii) creating a measured process sensitivity matrix of the mechanical system using the six DOF measurement; and iv) determining, based on the measured process sensitivity matrix, whether all the actuators and sensors of the active isolation system are working as expected and / or whether there is a pivot point impeding the movement of the base.

The invention discloses a plug-in circuit breaker which comprises a mounting plate, a plug-in circuit breaker body arranged on the right side of the mounting plate and a connecting assembly arranged on one side of the mounting plate, the connecting assembly comprises a heat dissipation mechanism arranged on one side of the plug-in circuit breaker body, and a limiting mechanism is arranged on the lower portion of the plug-in circuit breaker body. A damping mechanism is arranged on one side of the mounting plate, the slope clamping block movably penetrates through the movable groove and is clamped with the clamping groove, one end of the first spring is fixedly connected with the movable block, the outer side of the movable block is fixedly connected with the pull rod, and one end of the first inner groove is fixedly connected with the ejection column; and the mounting sleeve is mounted at the bottom of the plug-in circuit breaker body through the mounting block. The problems that according to an existing device, a dustproof net is inconvenient to disassemble and clean manually, after the dustproof net is used for a long time, meshes are prone to being blocked, the ventilation effect of the dustproof net is affected, and the subsequent heat dissipation effect is affected are solved.

The present invention discloses an electronic expansion valve with a buffering effect, which includes a stator assembly and a valve seat assembly. The valve seat assembly is installed at the lower part of the stator assembly. The valve seat assembly includes an end cover assembly, a magnetic isolation tube, a valve needle assembly and a valve seat assembly. A lead screw assembly is arranged inside the magnetic isolation tube. The valve needle assembly includes a valve needle and a valve needle spring arranged in the inner hole at the lower end of the valve needle. The lower end of the valve needle is inserted with a valve needle head. A balance flow channel is opened in the middle of the valve needle head. A bushing is sleeved on the outer side of the upper part of the valve needle head. One end of the bushing abuts against the valve needle spring. A valve needle sleeve is arranged at the lower end of the bushing. A valve needle internal leakage O-ring is installed between the inner side of the valve needle sleeve and the valve needle head. The lead screw in the lead screw assembly axially inserts into the central threaded through hole of the valve needle. The present invention has a balance pressure function, a long service life, and a buffering effect when closing the valve, preventing the problem of thread jamming and unable to open the valve.

The utility model relates to the technical field of water purification, and discloses a booster pump assembly which is used for pressurizing fluid in a water purifier and comprises a booster pump and an air bag body, an air chamber for storing air is arranged in the air bag body; the air bag body is positioned inside the water purifier, and a mounting groove is formed outside the air bag body; the booster pump is installed and positioned in the installation groove, the air bag body suspends and supports the booster pump, and mechanical vibration transmitted to the outside when the booster pump works is blocked and restrained for noise reduction. The air bag body is selected as a supporting structure to suspend and position the booster pump, the air bag body is filled with air, the air can play an extra buffering role, the vibration isolation effect is enhanced, vibration energy generated when the booster pump works is more effectively absorbed and dispersed, mechanical vibration transmitted to the outside by the booster pump is effectively restrained and reduced, and the service life of the booster pump is prolonged. The noise generated when the water purifier works is reduced, so that the user experience is deeply improved.

The invention discloses a laser level meter supporting structure, and belongs to the technical field of laser level meters, the laser level meter supporting structure comprises a supporting seat, the top of the supporting seat is provided with a plurality of fixing clamps, the outer side of the supporting seat is hinged with a plurality of supporting frames, and the outer edge of the top of the supporting seat is fixedly provided with an annular folding air bag; an inflation inlet is formed in the bottom of the annular folding air bag; the sealing plate is connected into the supporting seat in a sliding and sealing mode, a plurality of compression springs are fixedly connected to the bottom of the sealing plate, and the bottom ends of the compression springs are fixedly connected to the inner wall of the bottom of the supporting seat; and the triggering mechanism comprises a shot, a rotating disc, four push plates and four clamping bases, and an iron block is fixedly installed at the top of the shot. Through the arranged triggering mechanism, the supporting frame can be controlled to be opened outwards to improve the supporting stability when the laser gradienter vibrates or inclines greatly, the air bag is inflated, the laser gradienter is protected, and the use safety is improved.

The utility model relates to the technical field of carton manufacturing and processing, in particular to novel carton manufacturing and processing equipment which comprises an indentation support, a hydraulic device, a hydraulic rod, a hydraulic support, an upper indentation plate, a buffer frame, a telescopic rod, a buffer spring, a lower indentation plate and a limiting plate. A hydraulic device is arranged on the top face of the creasing support, a hydraulic rod is arranged at the output end of the hydraulic device, a hydraulic support is arranged on the bottom face of the hydraulic rod, an upper creasing plate is arranged on the bottom face of the hydraulic support, a telescopic rod is arranged on the top face of the buffering frame, a buffering spring is arranged on the outer side of the telescopic rod, and a lower creasing plate is arranged on the top face of the telescopic rod. A limiting plate is arranged on the top surface of the lower creasing plate; according to the carton folding device, the creasing structure is arranged, after a paperboard is cut according to the size, a split supporting plate is conveyed to the position below the creasing structure, creasing treatment is conducted on the surface of a carton, slotting treatment can be conveniently conducted on the carton in the subsequent machining process, and therefore the paperboard subjected to creasing and slotting can be rapidly folded into the carton.

The invention discloses a lifting device for an elevator car. The lifting device comprises a screw rod, a bearing base and a limiting top plate, wherein the elevator car is arranged between the bearing base and the limiting top plate, the bearing base is provided with a ball sleeve and a driving device used for driving the ball sleeve to rotate, and auxiliary supporting columns are arranged belowthe bearing base; the bearing base comprises a base, a bottom plate and an arc-shaped plate, wherein the arc-shaped plate is hinged to the bottom plate, the base is provided with a fixing groove, thebottom of the fixing groove is provided with through holes, and the auxiliary supporting columns pass through the through holes to temporarily support the bottom plate; and the driving device drives the ball sleeve to rotate, so that the bearing base is lifted along the screw rod, the bottom plate is gradually separated from the support of the auxiliary supporting columns, and the bottom plate andthe arc-shaped plate are pressed into the fixing groove through the elevator car under the guide of the arc-shaped plate. According to the lifting device, the elevator car is convenient and fast to install, and the elevator car can be easily replaced in the later period.

The invention relates to the technical field of monitoring facilities, and discloses an environment monitoring system for a machine room and a control method, an electric push rod drives a monitoring platform to be lifted, the monitoring height is adjusted, and when the monitoring platform is lifted, the monitoring height is adjusted. When the wheeled robot moves, the extending supporting assemblies arranged on the peripheral side of the wheeled robot are pushed to be unfolded outwards through the pushing assemblies arranged on the peripheral side, so that the overall supporting area of the wheeled robot is increased, the stability of the wheeled robot in the moving monitoring process is improved, and the problem that in the moving monitoring process of an existing machine room environment monitoring device, the moving monitoring efficiency is high is solved. And the device is easy to topple over along with the rising of the monitoring saddle.

The invention provides a temporary supporting structure for mounting a girder of a small side box combined hybrid girder cable-stayed bridge and a using method, and belongs to the technical field of bridge construction. Comprising a lower bearing plate, upper bearing plates are arranged on the left side and the right side of the upper portion of the lower bearing plate, tightening hanging rods are arranged on the left side and the right side of the lower end of each upper bearing plate, a sliding seat is arranged at the upper end of each upper bearing plate, a jacking module is arranged in each sliding seat, a connecting plate is arranged above each jacking module, and a longitudinal supporting module is arranged at the lower end of each connecting plate. By means of the transverse hydraulic self-locking rod, when a beam body generates transverse displacement when encountering wind loads, partial displacement can be automatically released, and automatic resetting can be achieved after the displacement acting force value is reduced, and by means of the front-back double-section type contraction transverse support formed by the butt joint rod and the conical rod and in cooperation with the transverse buffering spring, the transverse buffering effect can be achieved. Vibration energy generated in the working process of construction machinery can be absorbed, the influence of construction vibration on the temporary supporting structure is reduced, and the safety of the temporary supporting structure is improved.

The invention discloses a building settlement detection device for building engineering quality detection, and belongs to the technical field of building settlement detection, the building settlement detection device comprises a detection body and a detector 1, the detection body is internally provided with a spherical cavity, the spherical cavity is internally sleeved with a spherical body, the top of the spherical body is connected with a detector 2, and the bottom of the spherical body is connected with a counterweight pipe. The vertical state is always kept through rotation of the spherical body and the spherical cavity and cooperation of the balancing weight, liquid level inclination is avoided, the detection accuracy is guaranteed, the liquid bag is compressed through the inner ring during inclination, the first rotating ring is driven by a hydraulic medium to rotate, and the inclination direction is comprehensively and automatically detected; when the rotating ring rotates to the inclined direction, pressure relief is performed through communication of the communication groove and the annular groove, the rotating ring stops rotating, the direction pointed by the pointer is the inclined direction, all-dimensional automatic detection of the inclined direction and the inclined degree is achieved, and detection angle limitation is avoided.

The invention discloses an automobile armrest dynamic damping adjustment system and method based on multi-sensor fusion, particularly relates to the technical field of automobile armrest adjustment, and is used for solving the problem of poor armrest damping self-adaptive adjustment precision. Multi-source data such as vehicle postures, power behaviors, contact behaviors and hand torque are collected, resampling, denoising and phase compensation are carried out, a fusion state vector is constructed, the future state of the vehicle is predicted based on a short-time historical state sequence, state increment is extracted, and a dynamic risk index is formed; a current state and a risk trend are combined to construct an optimization model integrating supporting, smoothing and restraining, controller parameters are dynamically adjusted through a fuzzy reasoning mechanism, self-adaptive adjustment of armrest damping is achieved, and in the damping execution process, cooperative features and dynamic correction strategies of a control instruction and feedback output are analyzed, so that the damping performance is improved. Therefore, the response precision and stability of the dynamic damping of the automobile armrest under the complex working condition are improved.

A stacked lamination endplate for a rotor that includes a number of adjacent laminations, stacked one on top of another, wherein each lamination has an identical shape, the shape having a central region, symmetric about a center axis, and a number of spokes, each spoke emanating radially outward from the central region, where each spoke includes a through-hole at its distal end, and wherein the laminations are stacked one on top of another and aligned, enabling, for each spoke, a bolt to be inserted through a corresponding through-hole of each lamination.

The utility model discloses a hanging scaffold device for vertical shaft construction in the technical field of vertical shaft construction, which comprises a hoisting derrick, a construction hanging scaffold component is arranged at the bottom of the hoisting derrick, the construction hanging scaffold component comprises a supporting top cover, a lifting controller is mounted at the bottom of the supporting top cover, and a construction hanging scaffold part is hoisted at the bottom of the lifting controller. The lifting controller comprises an electric control box body, and a guide cover plate is installed at the bottom of the electric control box body. According to the vertical shaft hanging scaffold device designed in the scheme, through cooperative use of the electric control box body, the guide cover plate and the winch protective cover, the situation that the two strands of hoisting steel cables are wound when the construction hanging scaffold assembly is hoisted and lifted can be prevented; and the auxiliary functions of buffering and damping, load self-adaption, steady-state guiding and the like can be achieved for the two hoisting steel cables subjected to winding adjustment, the operation stability, the anti-jamming capability and the use safety of the construction hanging scaffold component in the lifting process are improved, and structural damage and potential safety hazards caused by swinging, deflection or impact of the construction hanging scaffold component are effectively avoided.

The invention discloses a cofferdam device for hydraulic engineering construction and an operation method thereof.The device comprises a cofferdam, buffering mechanisms arranged on the periphery of the exterior of the cofferdam, reinforcing mechanisms arranged on the periphery of the exterior of the cofferdam and driving control mechanisms arranged at the four corners of the cofferdam, and the cofferdam is composed of supporting columns and steel plates and forms a rectangular frame structure; the reinforcing mechanism is connected with a first fixing block and a second fixing block through a reinforcing rod to enhance the stability of the cofferdam, the driving control mechanism is composed of a forward and reverse motor, a sliding groove, a threaded rod and a sliding block and can automatically adjust the position of the buffering mechanism according to the change of the water level, and the buffering mechanism comprises a supporting rod, an arc-shaped first elastic plate, an arc-shaped second elastic plate and a first damper. Impact energy is absorbed through elastic deformation and damping force, and the cofferdam is protected against impact of water flow and floating objects. The position of the buffer mechanism can be automatically adjusted according to the water level condition, and it is ensured that the buffer mechanism is located at the optimal working position all the time so as to meet the buffer requirements under different water level conditions.

The invention discloses a metal tube float flowmeter based on an intelligent sensor, and relates to the technical field of float flowmeters, the metal tube float flowmeter comprises a tube body and a detection mechanism, an instrument is fixed on the outer side of the tube body through a bolt and used for realizing flow display, the instrument is connected with a Hall element, the detection mechanism used for flow detection is installed in the tube body, and the Hall element is connected with the detection mechanism. And the locking mechanism is used for realizing initial locking of the detection mechanism. According to the metal tube float flowmeter based on the intelligent sensor, the elastic regulation and control mechanism is arranged at the position of the liquid inlet of the tube body, peak kinetic energy of fluid is actively absorbed through elastic deformation of the first spring, and therefore the fluid entering the tube body can be buffered, pulsating flow of the external input fluid is effectively converted into stable flow, and the flow rate of the fluid is increased. Jumping of the floater body is greatly reduced, the problem that reading is difficult due to jumping of the floater body can be solved, the positive error of an average measured value caused by pulsation can be avoided, and the accuracy of detection data is guaranteed.

A double-liquid vibration-damping liquid-shaking tank for a wind turbine tower drum oriented to source network load storage coordination belongs to the technical field of wind turbine vibration-damping equipment, is a liquid-shaking damping structure externally arranged on a wind turbine main body, and comprises a wind direction plate and a liquid-shaking tank structure consisting of an annular liquid-shaking tank, a liquid partition plate, upper-layer liquid and lower-layer liquid, and the turntable fixing structure consists of a rotor and a rotor flange plate. The annular liquid shaking cabin is provided with a central through hole, is sleeved on the tower drum, is internally provided with a liquid partition plate, and is filled with two-phase liquid which has density difference and is immiscible with each other; the wind direction plate is arranged on the outer side of the annular liquid shaking cabin; the liquid shaking damping structure is fixed to the wind turbine tower fixing section through the rotor flange plate. Single shaking liquid is replaced by stably layered immiscible double liquid, the vibration reduction effect of the shaking liquid damping structure is improved, and the shaking liquid damping structure is accurately adaptive to all working conditions; and through linkage of the wind direction plate and the liquid partition plate, the vibration reduction effect of the shaking liquid damping structure is improved, the resonance effect is restrained, and the stability of the vibration reduction effect of the shaking liquid damping structure is enhanced.

The high-stability dry-type transformer comprises a transformer body and a fixing support fixedly arranged at the bottom of the transformer body, a supporting plate and a supporting frame connected with the supporting plate are arranged below the fixing support, and a first buffering assembly and a second buffering assembly are arranged between the supporting plate and the supporting frame; limiting columns are arranged at the bottom of the transformer body, the first buffering assembly comprises a limiting ring, a buffering piece, a limiting rod and a first spring, the upper end of the buffering piece penetrates through the supporting plate and is connected with the fixing support, and vibration of the transformer body can abut against the first spring through the limiting ring to be buffered, and the second buffering assembly comprises a connecting rod, a sliding base, a second spring and a supporting rod. The limiting rods and the buffering pieces transmit the acting force of vibration abutting to the sliding seats through the supporting rods, the sliding seats abut against the second springs for buffering, vibration in the horizontal direction and the vertical direction of the transformer body is buffered, vibration generated by working of the transformer body can be buffered, and the working stability of the dry type transformer is improved.

The invention relates to the technical field of geological surveying and mapping, and discloses urban three-dimensional geological surveying and mapping equipment which comprises a placement table, three supporting legs are rotatably connected to the inner wall of the placement table, air pressure sleeves are arranged at the bottoms of the three supporting legs, and fixing rings are fixedly connected to the inner walls of the air pressure sleeves. An operator supports the surveying instrument through the supporting assembly, then rotates the air pressure sleeve to enable the air pressure sleeve to be perpendicular to the ground, finally places the extrusion assembly to descend, enables the piston rod to make contact with the ground, enables the piston rod to extrude air in the air pressure sleeve and enables the air pressure to be increased, and generated ground vibration can be transmitted to the piston rod when the surveying instrument conducts surveying around a large number of vehicles. Kinetic energy is absorbed and vibration is relieved through compressibility of high-pressure gas at the top of the piston rod, so that vibration borne by the surveying instrument is reduced, and frequent vibration of the surveying instrument and influence on surveying and mapping accuracy when the surveying instrument is used for surveying and mapping in an area with many running vehicles are effectively prevented.